Add Nimble in libs directory

34 files changed, 5440 insertions, 0 deletions

diff --git a/src/libs/mynewt-nimble/porting/npl/dummy/include/nimble/nimble_npl_os.h b/src/libs/mynewt-nimble/porting/npl/dummy/include/nimble/nimble_npl_os.h
new file mode 100644
index 00000000..996aed23
--- /dev/null
+++ b/src/libs/mynewt-nimble/porting/npl/dummy/include/nimble/nimble_npl_os.h
@@ -0,0 +1,60 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#ifndef _NIMBLE_NPL_OS_H_
+#define _NIMBLE_NPL_OS_H_
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define BLE_NPL_OS_ALIGNMENT    4
+
+#define BLE_NPL_TIME_FOREVER    UINT32_MAX
+
+typedef uint32_t ble_npl_time_t;
+typedef int32_t ble_npl_stime_t;
+
+struct ble_npl_event {
+    int dummy;
+};
+
+struct ble_npl_eventq {
+    int dummy;
+};
+
+struct ble_npl_callout {
+    int dummy;
+};
+
+struct ble_npl_mutex {
+    int dummy;
+};
+
+struct ble_npl_sem {
+    int dummy;
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  /* _NPL_H_ */
diff --git a/src/libs/mynewt-nimble/porting/npl/dummy/src/hci_dummy.c b/src/libs/mynewt-nimble/porting/npl/dummy/src/hci_dummy.c
new file mode 100644
index 00000000..78fffe95
--- /dev/null
+++ b/src/libs/mynewt-nimble/porting/npl/dummy/src/hci_dummy.c
@@ -0,0 +1,250 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdint.h>
+#include "syscfg/syscfg.h"
+#include "sysinit/sysinit.h"
+#include "os/os_mempool.h"
+#include "nimble/ble.h"
+#include "nimble/ble_hci_trans.h"
+#include "nimble/hci_common.h"
+
+/* HCI packet types */
+#define HCI_PKT_CMD     0x01
+#define HCI_PKT_ACL     0x02
+#define HCI_PKT_EVT     0x04
+#define HCI_PKT_GTL     0x05
+
+/* Buffers for HCI commands data */
+static uint8_t trans_buf_cmd[BLE_HCI_TRANS_CMD_SZ];
+static uint8_t trans_buf_cmd_allocd;
+
+/* Buffers for HCI events data */
+static uint8_t trans_buf_evt_hi_pool_buf[ OS_MEMPOOL_BYTES(
+                                            MYNEWT_VAL(BLE_HCI_EVT_HI_BUF_COUNT),
+                                            MYNEWT_VAL(BLE_HCI_EVT_BUF_SIZE)) ];
+static struct os_mempool trans_buf_evt_hi_pool;
+static uint8_t trans_buf_evt_lo_pool_buf[ OS_MEMPOOL_BYTES(
+                                            MYNEWT_VAL(BLE_HCI_EVT_LO_BUF_COUNT),
+                                            MYNEWT_VAL(BLE_HCI_EVT_BUF_SIZE)) ];
+static struct os_mempool trans_buf_evt_lo_pool;
+
+/* Buffers for HCI ACL data */
+#define ACL_POOL_BLOCK_SIZE OS_ALIGN(MYNEWT_VAL(BLE_ACL_BUF_SIZE) + \
+                                            BLE_MBUF_MEMBLOCK_OVERHEAD + \
+                                            BLE_HCI_DATA_HDR_SZ, OS_ALIGNMENT)
+static uint8_t trans_buf_acl_pool_buf[ OS_MEMPOOL_BYTES(
+                                            MYNEWT_VAL(BLE_ACL_BUF_COUNT),
+                                            ACL_POOL_BLOCK_SIZE) ];
+static struct os_mempool trans_buf_acl_pool;
+static struct os_mbuf_pool trans_buf_acl_mbuf_pool;
+
+/* Host interface */
+static ble_hci_trans_rx_cmd_fn *trans_rx_cmd_cb;
+static void *trans_rx_cmd_arg;
+static ble_hci_trans_rx_acl_fn *trans_rx_acl_cb;
+static void *trans_rx_acl_arg;
+
+/* Called by NimBLE host to reset HCI transport state (i.e. on host reset) */
+int
+ble_hci_trans_reset(void)
+{
+    return 0;
+}
+
+/* Called by NimBLE host to setup callbacks from HCI transport */
+void
+ble_hci_trans_cfg_hs(ble_hci_trans_rx_cmd_fn *cmd_cb, void *cmd_arg,
+                     ble_hci_trans_rx_acl_fn *acl_cb, void *acl_arg)
+{
+    trans_rx_cmd_cb = cmd_cb;
+    trans_rx_cmd_arg = cmd_arg;
+    trans_rx_acl_cb = acl_cb;
+    trans_rx_acl_arg = acl_arg;
+}
+
+/*
+ * Called by NimBLE host to allocate buffer for HCI Command packet.
+ * Called by HCI transport to allocate buffer for HCI Event packet.
+ */
+uint8_t *
+ble_hci_trans_buf_alloc(int type)
+{
+    uint8_t *buf;
+
+    switch (type) {
+    case BLE_HCI_TRANS_BUF_CMD:
+        assert(!trans_buf_cmd_allocd);
+        trans_buf_cmd_allocd = 1;
+        buf = trans_buf_cmd;
+        break;
+    case BLE_HCI_TRANS_BUF_EVT_HI:
+        buf = os_memblock_get(&trans_buf_evt_hi_pool);
+        if (buf) {
+            break;
+        }
+        /* no break */
+    case BLE_HCI_TRANS_BUF_EVT_LO:
+        buf = os_memblock_get(&trans_buf_evt_lo_pool);
+        break;
+    default:
+        assert(0);
+        buf = NULL;
+    }
+
+    return buf;
+}
+
+/*
+ * Called by NimBLE host to free buffer allocated for HCI Event packet.
+ * Called by HCI transport to free buffer allocated for HCI Command packet.
+ */
+void
+ble_hci_trans_buf_free(uint8_t *buf)
+{
+    int rc;
+
+    if (buf == trans_buf_cmd) {
+        assert(trans_buf_cmd_allocd);
+        trans_buf_cmd_allocd = 0;
+    } else if (os_memblock_from(&trans_buf_evt_hi_pool, buf)) {
+        rc = os_memblock_put(&trans_buf_evt_hi_pool, buf);
+        assert(rc == 0);
+    } else {
+        assert(os_memblock_from(&trans_buf_evt_lo_pool, buf));
+        rc = os_memblock_put(&trans_buf_evt_lo_pool, buf);
+        assert(rc == 0);
+    }
+}
+
+/* Called by NimBLE host to send HCI Command packet over HCI transport */
+int
+ble_hci_trans_hs_cmd_tx(uint8_t *cmd)
+{
+    uint8_t *buf = cmd;
+
+    /*
+     * TODO Send HCI Command packet somewhere.
+     * Buffer pointed by 'cmd' contains complete HCI Command packet as defined
+     * by Core spec.
+     */
+
+    ble_hci_trans_buf_free(buf);
+
+    return 0;
+}
+
+/* Called by NimBLE host to send HCI ACL Data packet over HCI transport */
+int
+ble_hci_trans_hs_acl_tx(struct os_mbuf *om)
+{
+    uint8_t *buf = om->om_data;
+
+    /*
+     * TODO Send HCI ACL Data packet somewhere.
+     * mbuf pointed by 'om' contains complete HCI ACL Data packet as defined
+     * by Core spec.
+     */
+    (void)buf;
+
+    os_mbuf_free_chain(om);
+
+    return 0;
+}
+
+/* Called by application to send HCI ACL Data packet to host */
+int
+hci_transport_send_acl_to_host(uint8_t *buf, uint16_t size)
+{
+    struct os_mbuf *trans_mbuf;
+    int rc;
+
+    trans_mbuf = os_mbuf_get_pkthdr(&trans_buf_acl_mbuf_pool,
+                                    sizeof(struct ble_mbuf_hdr));
+    os_mbuf_append(trans_mbuf, buf, size);
+    rc = trans_rx_acl_cb(trans_mbuf, trans_rx_acl_arg);
+
+    return rc;
+}
+
+/* Called by application to send HCI Event packet to host */
+int
+hci_transport_send_evt_to_host(uint8_t *buf, uint8_t size)
+{
+    uint8_t *trans_buf;
+    int rc;
+
+    /* Allocate LE Advertising Report Event from lo pool only */
+    if ((buf[0] == BLE_HCI_EVCODE_LE_META) &&
+        (buf[2] == BLE_HCI_LE_SUBEV_ADV_RPT)) {
+        trans_buf = ble_hci_trans_buf_alloc(BLE_HCI_TRANS_BUF_EVT_LO);
+        if (!trans_buf) {
+            /* Skip advertising report if we're out of memory */
+            return 0;
+        }
+    } else {
+        trans_buf = ble_hci_trans_buf_alloc(BLE_HCI_TRANS_BUF_EVT_HI);
+    }
+
+    memcpy(trans_buf, buf, size);
+
+    rc = trans_rx_cmd_cb(trans_buf, trans_rx_cmd_arg);
+    if (rc != 0) {
+        ble_hci_trans_buf_free(trans_buf);
+    }
+
+    return rc;
+}
+
+/* Called by application to initialize transport structures */
+int
+hci_transport_init(void)
+{
+    int rc;
+
+    trans_buf_cmd_allocd = 0;
+
+    rc = os_mempool_init(&trans_buf_acl_pool, MYNEWT_VAL(BLE_ACL_BUF_COUNT),
+                                ACL_POOL_BLOCK_SIZE, trans_buf_acl_pool_buf,
+                                "dummy_hci_acl_pool");
+    SYSINIT_PANIC_ASSERT(rc == 0);
+
+    rc = os_mbuf_pool_init(&trans_buf_acl_mbuf_pool, &trans_buf_acl_pool,
+                                ACL_POOL_BLOCK_SIZE,
+                                MYNEWT_VAL(BLE_ACL_BUF_COUNT));
+    SYSINIT_PANIC_ASSERT(rc == 0);
+
+    rc = os_mempool_init(&trans_buf_evt_hi_pool,
+                                MYNEWT_VAL(BLE_HCI_EVT_HI_BUF_COUNT),
+                                MYNEWT_VAL(BLE_HCI_EVT_BUF_SIZE),
+                                trans_buf_evt_hi_pool_buf,
+                                "dummy_hci_hci_evt_hi_pool");
+    SYSINIT_PANIC_ASSERT(rc == 0);
+
+    rc = os_mempool_init(&trans_buf_evt_lo_pool,
+                                MYNEWT_VAL(BLE_HCI_EVT_LO_BUF_COUNT),
+                                MYNEWT_VAL(BLE_HCI_EVT_BUF_SIZE),
+                                trans_buf_evt_lo_pool_buf,
+                                "dummy_hci_hci_evt_lo_pool");
+    SYSINIT_PANIC_ASSERT(rc == 0);
+
+    return 0;
+}
diff --git a/src/libs/mynewt-nimble/porting/npl/dummy/src/npl_os_dummy.c b/src/libs/mynewt-nimble/porting/npl/dummy/src/npl_os_dummy.c
new file mode 100644
index 00000000..a522531f
--- /dev/null
+++ b/src/libs/mynewt-nimble/porting/npl/dummy/src/npl_os_dummy.c
@@ -0,0 +1,200 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include <stddef.h>
+#include "nimble/nimble_npl.h"
+
+bool
+ble_npl_os_started(void)
+{
+    return 0;
+}
+
+void *
+ble_npl_get_current_task_id(void)
+{
+    return NULL;
+}
+
+void
+ble_npl_eventq_init(struct ble_npl_eventq *evq)
+{
+
+}
+
+struct ble_npl_event *
+ble_npl_eventq_get(struct ble_npl_eventq *evq, ble_npl_time_t tmo)
+{
+}
+
+void
+ble_npl_eventq_put(struct ble_npl_eventq *evq, struct ble_npl_event *ev)
+{
+}
+
+void
+ble_npl_eventq_remove(struct ble_npl_eventq *evq,
+                      struct ble_npl_event *ev)
+{
+
+}
+
+void
+ble_npl_event_run(struct ble_npl_event *ev)
+{
+
+}
+
+void
+ble_npl_event_init(struct ble_npl_event *ev, ble_npl_event_fn *fn,
+                   void *arg)
+{
+
+}
+
+bool ble_npl_event_is_queued(struct ble_npl_event *ev)
+{
+    return false;
+}
+
+void *
+ble_npl_event_get_arg(struct ble_npl_event *ev)
+{
+    return NULL;
+}
+
+void
+ble_npl_event_set_arg(struct ble_npl_event *ev, void *arg)
+{
+
+}
+
+ble_npl_error_t
+ble_npl_mutex_init(struct ble_npl_mutex *mu)
+{
+    return BLE_NPL_ENOENT;
+}
+
+ble_npl_error_t
+ble_npl_mutex_pend(struct ble_npl_mutex *mu, ble_npl_time_t timeout)
+{
+    return BLE_NPL_ENOENT;
+}
+
+ble_npl_error_t
+ble_npl_mutex_release(struct ble_npl_mutex *mu)
+{
+    return BLE_NPL_ENOENT;
+}
+
+ble_npl_error_t
+ble_npl_sem_init(struct ble_npl_sem *sem, uint16_t tokens)
+{
+    return BLE_NPL_ENOENT;
+}
+
+ble_npl_error_t
+ble_npl_sem_pend(struct ble_npl_sem *sem, ble_npl_time_t timeout)
+{
+    return BLE_NPL_ENOENT;
+}
+
+ble_npl_error_t
+ble_npl_sem_release(struct ble_npl_sem *sem)
+{
+    return BLE_NPL_ENOENT;
+}
+
+uint16_t
+ble_npl_sem_get_count(struct ble_npl_sem *sem)
+{
+    return 0;
+}
+
+void
+ble_npl_callout_init(struct ble_npl_callout *c, struct ble_npl_eventq *evq,
+                     ble_npl_event_fn *ev_cb, void *ev_arg)
+{
+}
+
+ble_npl_error_t
+ble_npl_callout_reset(struct ble_npl_callout *c, ble_npl_time_t ticks)
+{
+    return BLE_NPL_ENOENT;
+}
+
+void
+ble_npl_callout_stop(struct ble_npl_callout *co)
+{
+
+}
+
+bool
+ble_npl_callout_is_active(struct ble_npl_callout *c)
+{
+    return false;
+}
+
+ble_npl_time_t
+ble_npl_callout_get_ticks(struct ble_npl_callout *co)
+{
+    return 0;
+}
+
+uint32_t
+ble_npl_time_get(void)
+{
+    return 0;
+}
+
+ble_npl_error_t
+ble_npl_time_ms_to_ticks(uint32_t ms, ble_npl_time_t *out_ticks)
+{
+    return BLE_NPL_ENOENT;
+}
+
+ble_npl_error_t
+ble_npl_time_ticks_to_ms(ble_npl_time_t ticks, uint32_t *out_ms)
+{
+    return BLE_NPL_ENOENT;
+}
+
+ble_npl_time_t
+ble_npl_time_ms_to_ticks32(uint32_t ms)
+{
+    return 0;
+}
+
+uint32_t
+ble_npl_time_ticks_to_ms32(ble_npl_time_t ticks)
+{
+    return 0;
+}
+
+uint32_t
+ble_npl_hw_enter_critical(void)
+{
+    return 0;
+}
+
+void
+ble_npl_hw_exit_critical(uint32_t ctx)
+{
+
+}
diff --git a/src/libs/mynewt-nimble/porting/npl/freertos/include/nimble/nimble_npl_os.h b/src/libs/mynewt-nimble/porting/npl/freertos/include/nimble/nimble_npl_os.h
new file mode 100644
index 00000000..f04145d3
--- /dev/null
+++ b/src/libs/mynewt-nimble/porting/npl/freertos/include/nimble/nimble_npl_os.h
@@ -0,0 +1,301 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#ifndef _NIMBLE_NPL_OS_H_
+#define _NIMBLE_NPL_OS_H_
+
+#include <assert.h>
+#include <stdint.h>
+#include <string.h>
+#include "FreeRTOS.h"
+#include "queue.h"
+#include "semphr.h"
+#include "task.h"
+#include "timers.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define BLE_NPL_OS_ALIGNMENT    4
+
+#define BLE_NPL_TIME_FOREVER    portMAX_DELAY
+
+/* This should be compatible with TickType_t */
+typedef uint32_t ble_npl_time_t;
+typedef int32_t ble_npl_stime_t;
+
+struct ble_npl_event {
+    bool queued;
+    ble_npl_event_fn *fn;
+    void *arg;
+};
+
+struct ble_npl_eventq {
+    QueueHandle_t q;
+};
+
+struct ble_npl_callout {
+    TimerHandle_t handle;
+    struct ble_npl_eventq *evq;
+    struct ble_npl_event ev;
+};
+
+struct ble_npl_mutex {
+    SemaphoreHandle_t handle;
+};
+
+struct ble_npl_sem {
+    SemaphoreHandle_t handle;
+};
+
+/*
+ * Simple APIs are just defined as static inline below, but some are a bit more
+ * complex or require some global state variables and thus are defined in .c
+ * file instead and static inline wrapper just calls proper implementation.
+ * We need declarations of these functions and they are defined in header below.
+ */
+#include "npl_freertos.h"
+
+static inline bool
+ble_npl_os_started(void)
+{
+    return xTaskGetSchedulerState() != taskSCHEDULER_NOT_STARTED;
+}
+
+static inline void *
+ble_npl_get_current_task_id(void)
+{
+    return xTaskGetCurrentTaskHandle();
+}
+
+static inline void
+ble_npl_eventq_init(struct ble_npl_eventq *evq)
+{
+    evq->q = xQueueCreate(32, sizeof(struct ble_npl_eventq *));
+}
+
+static inline struct ble_npl_event *
+ble_npl_eventq_get(struct ble_npl_eventq *evq, ble_npl_time_t tmo)
+{
+    return npl_freertos_eventq_get(evq, tmo);
+}
+
+static inline void
+ble_npl_eventq_put(struct ble_npl_eventq *evq, struct ble_npl_event *ev)
+{
+    npl_freertos_eventq_put(evq, ev);
+}
+
+static inline void
+ble_npl_eventq_remove(struct ble_npl_eventq *evq, struct ble_npl_event *ev)
+{
+    npl_freertos_eventq_remove(evq, ev);
+}
+
+static inline void
+ble_npl_event_run(struct ble_npl_event *ev)
+{
+    ev->fn(ev);
+}
+
+static inline bool
+ble_npl_eventq_is_empty(struct ble_npl_eventq *evq)
+{
+    return xQueueIsQueueEmptyFromISR(evq->q);
+}
+
+static inline void
+ble_npl_event_init(struct ble_npl_event *ev, ble_npl_event_fn *fn,
+                   void *arg)
+{
+    memset(ev, 0, sizeof(*ev));
+    ev->fn = fn;
+    ev->arg = arg;
+}
+
+static inline bool
+ble_npl_event_is_queued(struct ble_npl_event *ev)
+{
+    return ev->queued;
+}
+
+static inline void *
+ble_npl_event_get_arg(struct ble_npl_event *ev)
+{
+    return ev->arg;
+}
+
+static inline void
+ble_npl_event_set_arg(struct ble_npl_event *ev, void *arg)
+{
+    ev->arg = arg;
+}
+
+static inline ble_npl_error_t
+ble_npl_mutex_init(struct ble_npl_mutex *mu)
+{
+    return npl_freertos_mutex_init(mu);
+}
+
+static inline ble_npl_error_t
+ble_npl_mutex_pend(struct ble_npl_mutex *mu, ble_npl_time_t timeout)
+{
+    return npl_freertos_mutex_pend(mu, timeout);
+}
+
+static inline ble_npl_error_t
+ble_npl_mutex_release(struct ble_npl_mutex *mu)
+{
+    return npl_freertos_mutex_release(mu);
+}
+
+static inline ble_npl_error_t
+ble_npl_sem_init(struct ble_npl_sem *sem, uint16_t tokens)
+{
+    return npl_freertos_sem_init(sem, tokens);
+}
+
+static inline ble_npl_error_t
+ble_npl_sem_pend(struct ble_npl_sem *sem, ble_npl_time_t timeout)
+{
+    return npl_freertos_sem_pend(sem, timeout);
+}
+
+static inline ble_npl_error_t
+ble_npl_sem_release(struct ble_npl_sem *sem)
+{
+    return npl_freertos_sem_release(sem);
+}
+
+static inline uint16_t
+ble_npl_sem_get_count(struct ble_npl_sem *sem)
+{
+    return uxSemaphoreGetCount(sem->handle);
+}
+
+static inline void
+ble_npl_callout_init(struct ble_npl_callout *co, struct ble_npl_eventq *evq,
+                     ble_npl_event_fn *ev_cb, void *ev_arg)
+{
+    npl_freertos_callout_init(co, evq, ev_cb, ev_arg);
+}
+
+static inline ble_npl_error_t
+ble_npl_callout_reset(struct ble_npl_callout *co, ble_npl_time_t ticks)
+{
+    return npl_freertos_callout_reset(co, ticks);
+}
+
+static inline void
+ble_npl_callout_stop(struct ble_npl_callout *co)
+{
+    xTimerStop(co->handle, portMAX_DELAY);
+}
+
+static inline bool
+ble_npl_callout_is_active(struct ble_npl_callout *co)
+{
+    return xTimerIsTimerActive(co->handle) == pdTRUE;
+}
+
+static inline ble_npl_time_t
+ble_npl_callout_get_ticks(struct ble_npl_callout *co)
+{
+    return xTimerGetExpiryTime(co->handle);
+}
+
+static inline uint32_t
+ble_npl_callout_remaining_ticks(struct ble_npl_callout *co,
+                                ble_npl_time_t time)
+{
+    return npl_freertos_callout_remaining_ticks(co, time);
+}
+
+static inline void
+ble_npl_callout_set_arg(struct ble_npl_callout *co, void *arg)
+{
+    co->ev.arg = arg;
+}
+
+static inline uint32_t
+ble_npl_time_get(void)
+{
+    return xTaskGetTickCountFromISR();
+}
+
+static inline ble_npl_error_t
+ble_npl_time_ms_to_ticks(uint32_t ms, ble_npl_time_t *out_ticks)
+{
+    return npl_freertos_time_ms_to_ticks(ms, out_ticks);
+}
+
+static inline ble_npl_error_t
+ble_npl_time_ticks_to_ms(ble_npl_time_t ticks, uint32_t *out_ms)
+{
+    return ble_npl_time_ticks_to_ms(ticks, out_ms);
+}
+
+static inline ble_npl_time_t
+ble_npl_time_ms_to_ticks32(uint32_t ms)
+{
+    return ms * configTICK_RATE_HZ / 1000;
+}
+
+static inline uint32_t
+ble_npl_time_ticks_to_ms32(ble_npl_time_t ticks)
+{
+    return ticks * 1000 / configTICK_RATE_HZ;
+}
+
+static inline void
+ble_npl_time_delay(ble_npl_time_t ticks)
+{
+    vTaskDelay(ticks);
+}
+
+#if NIMBLE_CFG_CONTROLLER
+static inline void
+ble_npl_hw_set_isr(int irqn, void (*addr)(void))
+{
+    npl_freertos_hw_set_isr(irqn, addr);
+}
+#endif
+
+static inline uint32_t
+ble_npl_hw_enter_critical(void)
+{
+    //vPortEnterCritical();
+  npl_freertos_hw_enter_critical();
+    return 0;
+}
+
+static inline void
+ble_npl_hw_exit_critical(uint32_t ctx)
+{
+  //  vPortExitCritical();
+  npl_freertos_hw_exit_critical(ctx);
+
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  /* _NPL_H_ */
diff --git a/src/libs/mynewt-nimble/porting/npl/freertos/include/nimble/nimble_port_freertos.h b/src/libs/mynewt-nimble/porting/npl/freertos/include/nimble/nimble_port_freertos.h
new file mode 100644
index 00000000..43cbf291
--- /dev/null
+++ b/src/libs/mynewt-nimble/porting/npl/freertos/include/nimble/nimble_port_freertos.h
@@ -0,0 +1,35 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#ifndef _NIMBLE_PORT_FREERTOS_H
+#define _NIMBLE_PORT_FREERTOS_H
+
+#include "nimble/nimble_npl.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void nimble_port_freertos_init(TaskFunction_t host_task_fn);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _NIMBLE_PORT_FREERTOS_H */
diff --git a/src/libs/mynewt-nimble/porting/npl/freertos/include/nimble/npl_freertos.h b/src/libs/mynewt-nimble/porting/npl/freertos/include/nimble/npl_freertos.h
new file mode 100644
index 00000000..a7b1c4aa
--- /dev/null
+++ b/src/libs/mynewt-nimble/porting/npl/freertos/include/nimble/npl_freertos.h
@@ -0,0 +1,78 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#ifndef _NPL_FREERTOS_H_
+#define _NPL_FREERTOS_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct ble_npl_eventq *npl_freertos_eventq_dflt_get(void);
+
+struct ble_npl_event *npl_freertos_eventq_get(struct ble_npl_eventq *evq,
+                                              ble_npl_time_t tmo);
+
+void npl_freertos_eventq_put(struct ble_npl_eventq *evq,
+                             struct ble_npl_event *ev);
+
+void npl_freertos_eventq_remove(struct ble_npl_eventq *evq,
+                                struct ble_npl_event *ev);
+
+ble_npl_error_t npl_freertos_mutex_init(struct ble_npl_mutex *mu);
+
+ble_npl_error_t npl_freertos_mutex_pend(struct ble_npl_mutex *mu,
+                                        ble_npl_time_t timeout);
+
+ble_npl_error_t npl_freertos_mutex_release(struct ble_npl_mutex *mu);
+
+ble_npl_error_t npl_freertos_sem_init(struct ble_npl_sem *sem, uint16_t tokens);
+
+ble_npl_error_t npl_freertos_sem_pend(struct ble_npl_sem *sem,
+                                      ble_npl_time_t timeout);
+
+ble_npl_error_t npl_freertos_sem_release(struct ble_npl_sem *sem);
+
+void npl_freertos_callout_init(struct ble_npl_callout *co,
+                               struct ble_npl_eventq *evq,
+                               ble_npl_event_fn *ev_cb, void *ev_arg);
+
+ble_npl_error_t npl_freertos_callout_reset(struct ble_npl_callout *co,
+                                           ble_npl_time_t ticks);
+
+ble_npl_time_t npl_freertos_callout_remaining_ticks(struct ble_npl_callout *co,
+						    ble_npl_time_t now);
+
+ble_npl_error_t npl_freertos_time_ms_to_ticks(uint32_t ms,
+                                              ble_npl_time_t *out_ticks);
+
+ble_npl_error_t npl_freertos_time_ticks_to_ms(ble_npl_time_t ticks,
+                                              uint32_t *out_ms);
+
+void npl_freertos_hw_set_isr(int irqn, void (*addr)(void));
+
+uint32_t npl_freertos_hw_enter_critical(void);
+
+void npl_freertos_hw_exit_critical(uint32_t ctx);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  /* _NPL_FREERTOS_H_ */
diff --git a/src/libs/mynewt-nimble/porting/npl/freertos/src/nimble_port_freertos.c b/src/libs/mynewt-nimble/porting/npl/freertos/src/nimble_port_freertos.c
new file mode 100644
index 00000000..8ee3475a
--- /dev/null
+++ b/src/libs/mynewt-nimble/porting/npl/freertos/src/nimble_port_freertos.c
@@ -0,0 +1,51 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include <stddef.h>
+#include "FreeRTOS.h"
+#include "task.h"
+#include "nimble/nimble_port.h"
+
+#if NIMBLE_CFG_CONTROLLER
+static TaskHandle_t ll_task_h;
+#endif
+static TaskHandle_t host_task_h;
+
+void
+nimble_port_freertos_init(TaskFunction_t host_task_fn)
+{
+#if NIMBLE_CFG_CONTROLLER
+    /*
+     * Create task where NimBLE LL will run. This one is required as LL has its
+     * own event queue and should have highest priority. The task function is
+     * provided by NimBLE and in case of FreeRTOS it does not need to be wrapped
+     * since it has compatible prototype.
+     */
+    xTaskCreate(nimble_port_ll_task_func, "ll", configMINIMAL_STACK_SIZE + 400,
+                NULL, configMAX_PRIORITIES - 1, &ll_task_h);
+#endif
+
+    /*
+     * Create task where NimBLE host will run. It is not strictly necessary to
+     * have separate task for NimBLE host, but since something needs to handle
+     * default queue it is just easier to make separate task which does this.
+     */
+    xTaskCreate(host_task_fn, "ble", configMINIMAL_STACK_SIZE + 400,
+                NULL, tskIDLE_PRIORITY + 1, &host_task_h);
+}
diff --git a/src/libs/mynewt-nimble/porting/npl/freertos/src/npl_os_freertos.c b/src/libs/mynewt-nimble/porting/npl/freertos/src/npl_os_freertos.c
new file mode 100644
index 00000000..87936bd8
--- /dev/null
+++ b/src/libs/mynewt-nimble/porting/npl/freertos/src/npl_os_freertos.c
@@ -0,0 +1,351 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include <assert.h>
+#include <stddef.h>
+#include <string.h>
+#include "nimble/nimble_npl.h"
+
+static inline bool
+in_isr(void)
+{
+    /* XXX hw specific! */
+    return (SCB->ICSR & SCB_ICSR_VECTACTIVE_Msk) != 0;
+}
+
+struct ble_npl_event *
+npl_freertos_eventq_get(struct ble_npl_eventq *evq, ble_npl_time_t tmo)
+{
+    struct ble_npl_event *ev = NULL;
+    BaseType_t woken;
+    BaseType_t ret;
+
+    if (in_isr()) {
+        assert(tmo == 0);
+        ret = xQueueReceiveFromISR(evq->q, &ev, &woken);
+        portYIELD_FROM_ISR(woken);
+    } else {
+        ret = xQueueReceive(evq->q, &ev, tmo);
+    }
+    assert(ret == pdPASS || ret == errQUEUE_EMPTY);
+
+    if (ev) {
+        ev->queued = false;
+    }
+
+    return ev;
+}
+
+void
+npl_freertos_eventq_put(struct ble_npl_eventq *evq, struct ble_npl_event *ev)
+{
+    BaseType_t woken;
+    BaseType_t ret;
+
+    if (ev->queued) {
+        return;
+    }
+
+    ev->queued = true;
+
+    if (in_isr()) {
+        ret = xQueueSendToBackFromISR(evq->q, &ev, &woken);
+        portYIELD_FROM_ISR(woken);
+    } else {
+        ret = xQueueSendToBack(evq->q, &ev, portMAX_DELAY);
+    }
+
+    assert(ret == pdPASS);
+}
+
+void
+npl_freertos_eventq_remove(struct ble_npl_eventq *evq,
+                      struct ble_npl_event *ev)
+{
+    struct ble_npl_event *tmp_ev;
+    BaseType_t ret;
+    int i;
+    int count;
+    BaseType_t woken, woken2;
+
+    if (!ev->queued) {
+        return;
+    }
+
+    /*
+     * XXX We cannot extract element from inside FreeRTOS queue so as a quick
+     * workaround we'll just remove all elements and add them back except the
+     * one we need to remove. This is silly, but works for now - we probably
+     * better use counting semaphore with os_queue to handle this in future.
+     */
+
+    if (in_isr()) {
+        woken = pdFALSE;
+
+        count = uxQueueMessagesWaitingFromISR(evq->q);
+        for (i = 0; i < count; i++) {
+            ret = xQueueReceiveFromISR(evq->q, &tmp_ev, &woken2);
+            assert(ret == pdPASS);
+            woken |= woken2;
+
+            if (tmp_ev == ev) {
+                continue;
+            }
+
+            ret = xQueueSendToBackFromISR(evq->q, &tmp_ev, &woken2);
+            assert(ret == pdPASS);
+            woken |= woken2;
+        }
+
+        portYIELD_FROM_ISR(woken);
+    } else {
+        vPortEnterCritical();
+
+        count = uxQueueMessagesWaiting(evq->q);
+        for (i = 0; i < count; i++) {
+            ret = xQueueReceive(evq->q, &tmp_ev, 0);
+            assert(ret == pdPASS);
+
+            if (tmp_ev == ev) {
+                continue;
+            }
+
+            ret = xQueueSendToBack(evq->q, &tmp_ev, 0);
+            assert(ret == pdPASS);
+        }
+
+        vPortExitCritical();
+    }
+
+    ev->queued = 0;
+}
+
+ble_npl_error_t
+npl_freertos_mutex_init(struct ble_npl_mutex *mu)
+{
+    if (!mu) {
+        return BLE_NPL_INVALID_PARAM;
+    }
+
+    mu->handle = xSemaphoreCreateRecursiveMutex();
+    assert(mu->handle);
+
+    return BLE_NPL_OK;
+}
+
+ble_npl_error_t
+npl_freertos_mutex_pend(struct ble_npl_mutex *mu, ble_npl_time_t timeout)
+{
+    BaseType_t ret;
+
+    if (!mu) {
+        return BLE_NPL_INVALID_PARAM;
+    }
+
+    assert(mu->handle);
+
+    if (in_isr()) {
+        ret = pdFAIL;
+        assert(0);
+    } else {
+        ret = xSemaphoreTakeRecursive(mu->handle, timeout);
+    }
+
+    return ret == pdPASS ? BLE_NPL_OK : BLE_NPL_TIMEOUT;
+}
+
+ble_npl_error_t
+npl_freertos_mutex_release(struct ble_npl_mutex *mu)
+{
+    if (!mu) {
+        return BLE_NPL_INVALID_PARAM;
+    }
+
+    assert(mu->handle);
+
+    if (in_isr()) {
+        assert(0);
+    } else {
+        if (xSemaphoreGiveRecursive(mu->handle) != pdPASS) {
+            return BLE_NPL_BAD_MUTEX;
+        }
+    }
+
+    return BLE_NPL_OK;
+}
+
+ble_npl_error_t
+npl_freertos_sem_init(struct ble_npl_sem *sem, uint16_t tokens)
+{
+    if (!sem) {
+        return BLE_NPL_INVALID_PARAM;
+    }
+
+    sem->handle = xSemaphoreCreateCounting(128, tokens);
+    assert(sem->handle);
+
+    return BLE_NPL_OK;
+}
+
+ble_npl_error_t
+npl_freertos_sem_pend(struct ble_npl_sem *sem, ble_npl_time_t timeout)
+{
+    BaseType_t woken;
+    BaseType_t ret;
+
+    if (!sem) {
+        return BLE_NPL_INVALID_PARAM;
+    }
+
+    assert(sem->handle);
+
+    if (in_isr()) {
+        assert(timeout == 0);
+        ret = xSemaphoreTakeFromISR(sem->handle, &woken);
+        portYIELD_FROM_ISR(woken);
+    } else {
+        ret = xSemaphoreTake(sem->handle, timeout);
+    }
+
+    return ret == pdPASS ? BLE_NPL_OK : BLE_NPL_TIMEOUT;
+}
+
+ble_npl_error_t
+npl_freertos_sem_release(struct ble_npl_sem *sem)
+{
+    BaseType_t ret;
+    BaseType_t woken;
+
+    if (!sem) {
+        return BLE_NPL_INVALID_PARAM;
+    }
+
+    assert(sem->handle);
+
+    if (in_isr()) {
+        ret = xSemaphoreGiveFromISR(sem->handle, &woken);
+        portYIELD_FROM_ISR(woken);
+    } else {
+        ret = xSemaphoreGive(sem->handle);
+    }
+
+    assert(ret == pdPASS);
+    return BLE_NPL_OK;
+}
+
+static void
+os_callout_timer_cb(TimerHandle_t timer)
+{
+    struct ble_npl_callout *co;
+
+    co = pvTimerGetTimerID(timer);
+    assert(co);
+
+    if (co->evq) {
+        ble_npl_eventq_put(co->evq, &co->ev);
+    } else {
+        co->ev.fn(&co->ev);
+    }
+}
+
+void
+npl_freertos_callout_init(struct ble_npl_callout *co, struct ble_npl_eventq *evq,
+                     ble_npl_event_fn *ev_cb, void *ev_arg)
+{
+    memset(co, 0, sizeof(*co));
+    co->handle = xTimerCreate("co", 1, pdFALSE, co, os_callout_timer_cb);
+    co->evq = evq;
+    ble_npl_event_init(&co->ev, ev_cb, ev_arg);
+}
+
+ble_npl_error_t
+npl_freertos_callout_reset(struct ble_npl_callout *co, ble_npl_time_t ticks)
+{
+    BaseType_t woken1, woken2, woken3;
+
+    if (ticks < 0) {
+        return BLE_NPL_INVALID_PARAM;
+    }
+
+    if (ticks == 0) {
+        ticks = 1;
+    }
+
+    if (in_isr()) {
+        xTimerStopFromISR(co->handle, &woken1);
+        xTimerChangePeriodFromISR(co->handle, ticks, &woken2);
+        xTimerResetFromISR(co->handle, &woken3);
+
+        portYIELD_FROM_ISR(woken1 || woken2 || woken3);
+    } else {
+        xTimerStop(co->handle, portMAX_DELAY);
+        xTimerChangePeriod(co->handle, ticks, portMAX_DELAY);
+        xTimerReset(co->handle, portMAX_DELAY);
+    }
+
+    return BLE_NPL_OK;
+}
+
+ble_npl_time_t
+npl_freertos_callout_remaining_ticks(struct ble_npl_callout *co,
+                                     ble_npl_time_t now)
+{
+    ble_npl_time_t rt;
+    uint32_t exp;
+
+    exp = xTimerGetExpiryTime(co->handle);
+
+    if (exp > now) {
+        rt = exp - now;
+    } else {
+        rt = 0;
+    }
+
+    return rt;
+}
+
+ble_npl_error_t
+npl_freertos_time_ms_to_ticks(uint32_t ms, ble_npl_time_t *out_ticks)
+{
+    uint64_t ticks;
+
+    ticks = ((uint64_t)ms * configTICK_RATE_HZ) / 1000;
+    if (ticks > UINT32_MAX) {
+        return BLE_NPL_EINVAL;
+    }
+
+    *out_ticks = ticks;
+
+    return 0;
+}
+
+ble_npl_error_t
+npl_freertos_time_ticks_to_ms(ble_npl_time_t ticks, uint32_t *out_ms)
+{
+    uint64_t ms;
+
+    ms = ((uint64_t)ticks * 1000) / configTICK_RATE_HZ;
+    if (ms > UINT32_MAX) {
+        return BLE_NPL_EINVAL;
+     }
+
+    *out_ms = ms;
+
+    return 0;
+}
diff --git a/src/libs/mynewt-nimble/porting/npl/linux/include/console/console.h b/src/libs/mynewt-nimble/porting/npl/linux/include/console/console.h
new file mode 100644
index 00000000..ccbfc015
--- /dev/null
+++ b/src/libs/mynewt-nimble/porting/npl/linux/include/console/console.h
@@ -0,0 +1,35 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#ifndef __CONSOLE_H__
+#define __CONSOLE_H__
+
+#include <stdio.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define console_printf(_fmt, ...) printf(_fmt, ##__VA_ARGS__)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __CONSOLE_H__ */
diff --git a/src/libs/mynewt-nimble/porting/npl/linux/include/nimble/nimble_npl_os.h b/src/libs/mynewt-nimble/porting/npl/linux/include/nimble/nimble_npl_os.h
new file mode 100644
index 00000000..bdd39886
--- /dev/null
+++ b/src/libs/mynewt-nimble/porting/npl/linux/include/nimble/nimble_npl_os.h
@@ -0,0 +1,50 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#ifndef _NIMBLE_NPL_OS_H_
+#define _NIMBLE_NPL_OS_H_
+
+#include <assert.h>
+#include <stdint.h>
+#include <string.h>
+
+#include "os_types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define BLE_NPL_OS_ALIGNMENT    4
+
+#define BLE_NPL_TIME_FOREVER    INT32_MAX
+
+#define SYSINIT_PANIC_MSG(msg) __assert_fail(msg, __FILE__, __LINE__, __func__)
+
+#define SYSINIT_PANIC_ASSERT_MSG(rc, msg) do \
+{                                            \
+    if (!(rc)) {                             \
+        SYSINIT_PANIC_MSG(msg);              \
+    }                                        \
+} while (0)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  /* _NPL_H_ */
diff --git a/src/libs/mynewt-nimble/porting/npl/linux/include/nimble/os_types.h b/src/libs/mynewt-nimble/porting/npl/linux/include/nimble/os_types.h
new file mode 100644
index 00000000..a5d8bf54
--- /dev/null
+++ b/src/libs/mynewt-nimble/porting/npl/linux/include/nimble/os_types.h
@@ -0,0 +1,87 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#ifndef _NPL_OS_TYPES_H
+#define _NPL_OS_TYPES_H
+
+#include <time.h>
+#include <signal.h>
+#include <stdbool.h>
+#include <pthread.h>
+#include <semaphore.h>
+
+/* The highest and lowest task priorities */
+#define OS_TASK_PRI_HIGHEST (sched_get_priority_max(SCHED_RR))
+#define OS_TASK_PRI_LOWEST  (sched_get_priority_min(SCHED_RR))
+
+typedef uint32_t ble_npl_time_t;
+typedef int32_t ble_npl_stime_t;
+
+//typedef int os_sr_t;
+typedef int ble_npl_stack_t;
+
+
+struct ble_npl_event {
+    uint8_t                 ev_queued;
+    ble_npl_event_fn       *ev_cb;
+    void                   *ev_arg;
+};
+
+struct ble_npl_eventq {
+    void               *q;
+};
+
+struct ble_npl_callout {
+    struct ble_npl_event    c_ev;
+    struct ble_npl_eventq  *c_evq;
+    uint32_t                c_ticks;
+    timer_t                 c_timer;
+    bool                    c_active;
+};
+
+struct ble_npl_mutex {
+    pthread_mutex_t         lock;
+    pthread_mutexattr_t     attr;
+    struct timespec         wait;
+};
+
+struct ble_npl_sem {
+    sem_t                   lock;
+};
+
+struct ble_npl_task {
+    pthread_t               handle;
+    pthread_attr_t          attr;
+    struct sched_param      param;
+    const char*             name;
+};
+
+typedef void *(*ble_npl_task_func_t)(void *);
+
+int ble_npl_task_init(struct ble_npl_task *t, const char *name, ble_npl_task_func_t func,
+		 void *arg, uint8_t prio, ble_npl_time_t sanity_itvl,
+		 ble_npl_stack_t *stack_bottom, uint16_t stack_size);
+
+int ble_npl_task_remove(struct ble_npl_task *t);
+
+uint8_t ble_npl_task_count(void);
+
+void ble_npl_task_yield(void);
+
+#endif // _NPL_OS_TYPES_H
diff --git a/src/libs/mynewt-nimble/porting/npl/linux/src/os_atomic.c b/src/libs/mynewt-nimble/porting/npl/linux/src/os_atomic.c
new file mode 100644
index 00000000..3aaec08a
--- /dev/null
+++ b/src/libs/mynewt-nimble/porting/npl/linux/src/os_atomic.c
@@ -0,0 +1,36 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include <stdint.h>
+#include <pthread.h>
+
+#include "nimble/nimble_npl.h"
+
+static pthread_mutex_t s_mutex = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
+
+uint32_t ble_npl_hw_enter_critical(void)
+{
+    pthread_mutex_lock(&s_mutex);
+    return 0;
+}
+
+void ble_npl_hw_exit_critical(uint32_t ctx)
+{
+    pthread_mutex_unlock(&s_mutex);
+}
diff --git a/src/libs/mynewt-nimble/porting/npl/linux/src/os_callout.c b/src/libs/mynewt-nimble/porting/npl/linux/src/os_callout.c
new file mode 100644
index 00000000..d3091fa9
--- /dev/null
+++ b/src/libs/mynewt-nimble/porting/npl/linux/src/os_callout.c
@@ -0,0 +1,158 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+
+#include <time.h>
+#include <signal.h>
+
+#include "nimble/nimble_npl.h"
+
+static void
+ble_npl_callout_timer_cb(union sigval sv)
+{
+    struct ble_npl_callout *c = (struct ble_npl_callout *)sv.sival_ptr;
+    assert(c);
+
+    if (c->c_evq) {
+        ble_npl_eventq_put(c->c_evq, &c->c_ev);
+    } else {
+        c->c_ev.ev_cb(&c->c_ev);
+    }
+}
+
+void ble_npl_callout_init(struct ble_npl_callout *c, 
+                          struct ble_npl_eventq *evq,
+                          ble_npl_event_fn *ev_cb, 
+                          void *ev_arg)
+{
+    struct sigevent         event;
+
+    /* Initialize the callout. */
+    memset(c, 0, sizeof(*c));
+    c->c_ev.ev_cb = ev_cb;
+    c->c_ev.ev_arg = ev_arg;
+    c->c_evq = evq;
+    c->c_active = false;
+
+    event.sigev_notify = SIGEV_THREAD;
+    event.sigev_value.sival_ptr = c;     // put callout obj in signal args
+    event.sigev_notify_function = ble_npl_callout_timer_cb;
+    event.sigev_notify_attributes = NULL;
+
+    timer_create(CLOCK_REALTIME, &event, &c->c_timer);
+}
+
+bool ble_npl_callout_is_active(struct ble_npl_callout *c)
+{
+    // TODO: seek native posix method to determine whether timer_t is active.
+    // TODO: fix bug where one-shot timer is still active after fired.
+    return c->c_active;
+}
+
+int ble_npl_callout_inited(struct ble_npl_callout *c)
+{
+    return (c->c_timer != NULL);
+}
+
+ble_npl_error_t ble_npl_callout_reset(struct ble_npl_callout *c,
+				      ble_npl_time_t ticks)
+{
+    struct itimerspec       its;
+
+    if (ticks < 0) {
+        return BLE_NPL_EINVAL;
+    }
+
+    if (ticks == 0) {
+        ticks = 1;
+    }
+
+    c->c_ticks = ble_npl_time_get() + ticks;
+
+    its.it_interval.tv_sec = 0;
+    its.it_interval.tv_nsec = 0;                     // one shot
+    its.it_value.tv_sec = (ticks / 1000);
+    its.it_value.tv_nsec = (ticks % 1000) * 1000000; // expiration
+    its.it_value.tv_nsec %= 1000000000;
+    c->c_active = true;
+    timer_settime(c->c_timer, 0, &its, NULL);
+
+    return BLE_NPL_OK;
+}
+
+int ble_npl_callout_queued(struct ble_npl_callout *c)
+{
+    struct itimerspec its;
+    timer_gettime(c->c_timer, &its);
+
+    return ((its.it_value.tv_sec > 0) ||
+            (its.it_value.tv_nsec > 0));
+}
+
+void ble_npl_callout_stop(struct ble_npl_callout *c)
+{
+    if (!ble_npl_callout_inited(c)) {
+        return;
+    }
+
+    struct itimerspec its;
+    its.it_interval.tv_sec = 0;
+    its.it_interval.tv_nsec = 0;
+    its.it_value.tv_sec = 0;
+    its.it_value.tv_nsec = 0;
+    timer_settime(c->c_timer, 0, &its, NULL);
+    c->c_active = false;
+}
+
+ble_npl_time_t
+ble_npl_callout_get_ticks(struct ble_npl_callout *co)
+{
+    return co->c_ticks;
+}
+
+void
+ble_npl_callout_set_arg(struct ble_npl_callout *co, void *arg)
+{
+    co->c_ev.ev_arg = arg;
+}
+
+uint32_t
+ble_npl_callout_remaining_ticks(struct ble_npl_callout *co,
+                                ble_npl_time_t now)
+{
+    ble_npl_time_t rt;
+    uint32_t exp;
+
+    struct itimerspec its;
+    timer_gettime(co->c_timer, &its);
+
+    exp = its.it_value.tv_sec * 1000;
+
+    if (exp > now) {
+        rt = exp - now;
+    } else {
+        rt = 0;
+    }
+
+    return rt;
+}
diff --git a/src/libs/mynewt-nimble/porting/npl/linux/src/os_eventq.cc b/src/libs/mynewt-nimble/porting/npl/linux/src/os_eventq.cc
new file mode 100644
index 00000000..817d8397
--- /dev/null
+++ b/src/libs/mynewt-nimble/porting/npl/linux/src/os_eventq.cc
@@ -0,0 +1,157 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include <assert.h>
+#include <stdint.h>
+#include <string.h>
+
+#include "nimble/nimble_npl.h"
+#include "wqueue.h"
+
+extern "C" {
+
+typedef wqueue<ble_npl_event *> wqueue_t;
+
+static struct ble_npl_eventq dflt_evq;
+
+struct ble_npl_eventq *
+ble_npl_eventq_dflt_get(void)
+{
+    if (!dflt_evq.q) {
+        dflt_evq.q = new wqueue_t();
+    }
+
+    return &dflt_evq;
+}
+
+void
+ble_npl_eventq_init(struct ble_npl_eventq *evq)
+{
+    evq->q = new wqueue_t();
+}
+
+bool
+ble_npl_eventq_is_empty(struct ble_npl_eventq *evq)
+{
+    wqueue_t *q = static_cast<wqueue_t *>(evq->q);
+
+    if (q->size()) {
+        return 1;
+    } else {
+        return 0;
+    }
+}
+
+int
+ble_npl_eventq_inited(const struct ble_npl_eventq *evq)
+{
+    return (evq->q != NULL);
+}
+
+void
+ble_npl_eventq_put(struct ble_npl_eventq *evq, struct ble_npl_event *ev)
+{
+    wqueue_t *q = static_cast<wqueue_t *>(evq->q);
+
+    if (ev->ev_queued) {
+        return;
+    }
+
+    ev->ev_queued = 1;
+    q->put(ev);
+}
+
+struct ble_npl_event *ble_npl_eventq_get(struct ble_npl_eventq *evq,
+                                         ble_npl_time_t tmo)
+{
+    struct ble_npl_event *ev;
+    wqueue_t *q = static_cast<wqueue_t *>(evq->q);
+
+    ev = q->get(tmo);
+
+    if (ev) {
+        ev->ev_queued = 0;
+    }
+
+    return ev;
+}
+
+void
+ble_npl_eventq_run(struct ble_npl_eventq *evq)
+{
+    struct ble_npl_event *ev;
+
+    ev = ble_npl_eventq_get(evq, BLE_NPL_TIME_FOREVER);
+    ble_npl_event_run(ev);
+}
+
+
+// ========================================================================
+//                         Event Implementation
+// ========================================================================
+
+void
+ble_npl_event_init(struct ble_npl_event *ev, ble_npl_event_fn *fn,
+                   void *arg)
+{
+    memset(ev, 0, sizeof(*ev));
+    ev->ev_cb = fn;
+    ev->ev_arg = arg;
+}
+
+bool
+ble_npl_event_is_queued(struct ble_npl_event *ev)
+{
+    return ev->ev_queued;
+}
+
+void *
+ble_npl_event_get_arg(struct ble_npl_event *ev)
+{
+    return ev->ev_arg;
+}
+
+void
+ble_npl_event_set_arg(struct ble_npl_event *ev, void *arg)
+{
+    ev->ev_arg = arg;
+}
+
+void
+ble_npl_event_run(struct ble_npl_event *ev)
+{
+    assert(ev->ev_cb != NULL);
+
+    ev->ev_cb(ev);
+}
+
+void
+ble_npl_eventq_remove(struct ble_npl_eventq *evq, struct ble_npl_event *ev)
+{
+    wqueue_t *q = static_cast<wqueue_t *>(evq->q);
+
+    if (!ev->ev_queued) {
+        return;
+    }
+
+    ev->ev_queued = 0;
+    q->remove(ev);
+}
+
+}
diff --git a/src/libs/mynewt-nimble/porting/npl/linux/src/os_mutex.c b/src/libs/mynewt-nimble/porting/npl/linux/src/os_mutex.c
new file mode 100644
index 00000000..c7d6190e
--- /dev/null
+++ b/src/libs/mynewt-nimble/porting/npl/linux/src/os_mutex.c
@@ -0,0 +1,81 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include <errno.h>
+#include <pthread.h>
+
+#include "os/os.h"
+#include "nimble/nimble_npl.h"
+
+ble_npl_error_t
+ble_npl_mutex_init(struct ble_npl_mutex *mu)
+{
+    if (!mu) {
+        return BLE_NPL_INVALID_PARAM;
+    }
+
+    pthread_mutexattr_init(&mu->attr);
+    pthread_mutexattr_settype(&mu->attr, PTHREAD_MUTEX_RECURSIVE_NP);
+    pthread_mutex_init(&mu->lock, &mu->attr);
+
+    return BLE_NPL_OK;
+}
+
+ble_npl_error_t
+ble_npl_mutex_release(struct ble_npl_mutex *mu)
+{
+    if (!mu) {
+        return BLE_NPL_INVALID_PARAM;
+    }
+
+    if (pthread_mutex_unlock(&mu->lock)) {
+        return BLE_NPL_BAD_MUTEX;
+    }
+
+    return BLE_NPL_OK;
+}
+
+ble_npl_error_t
+ble_npl_mutex_pend(struct ble_npl_mutex *mu, uint32_t timeout)
+{
+    int err;
+
+    if (!mu) {
+        return BLE_NPL_INVALID_PARAM;
+    }
+
+    if (timeout == BLE_NPL_TIME_FOREVER) {
+        err = pthread_mutex_lock(&mu->lock);
+    } else {
+        err = clock_gettime(CLOCK_REALTIME, &mu->wait);
+        if (err) {
+            return BLE_NPL_ERROR;
+        }
+
+        mu->wait.tv_sec  += timeout / 1000;
+        mu->wait.tv_nsec += (timeout % 1000) * 1000000;
+
+        err = pthread_mutex_timedlock(&mu->lock, &mu->wait);
+        if (err == ETIMEDOUT) {
+            return BLE_NPL_TIMEOUT;
+        }
+    }
+
+    return (err) ? BLE_NPL_ERROR : BLE_NPL_OK;
+}
diff --git a/src/libs/mynewt-nimble/porting/npl/linux/src/os_sem.c b/src/libs/mynewt-nimble/porting/npl/linux/src/os_sem.c
new file mode 100644
index 00000000..e3434af5
--- /dev/null
+++ b/src/libs/mynewt-nimble/porting/npl/linux/src/os_sem.c
@@ -0,0 +1,93 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include <assert.h>
+#include <errno.h>
+#include <semaphore.h>
+
+#include "os/os.h"
+#include "nimble/nimble_npl.h"
+
+ble_npl_error_t
+ble_npl_sem_init(struct ble_npl_sem *sem, uint16_t tokens)
+{
+    if (!sem) {
+        return BLE_NPL_INVALID_PARAM;
+    }
+
+    sem_init(&sem->lock, 0, tokens);
+
+    return BLE_NPL_OK;
+}
+
+ble_npl_error_t
+ble_npl_sem_release(struct ble_npl_sem *sem)
+{
+    int err;
+
+    if (!sem) {
+        return BLE_NPL_INVALID_PARAM;
+    }
+
+    err = sem_post(&sem->lock);
+
+    return (err) ? BLE_NPL_ERROR : BLE_NPL_OK;
+}
+
+ble_npl_error_t
+ble_npl_sem_pend(struct ble_npl_sem *sem, uint32_t timeout)
+{
+    int err = 0;
+    struct timespec wait;
+
+    if (!sem) {
+        return BLE_NPL_INVALID_PARAM;
+    }
+
+    if (timeout == BLE_NPL_TIME_FOREVER) {
+        err = sem_wait(&sem->lock);
+    } else {
+        err = clock_gettime(CLOCK_REALTIME, &wait);
+        if (err) {
+            return BLE_NPL_ERROR;
+        }
+
+        wait.tv_sec  += timeout / 1000;
+        wait.tv_nsec += (timeout % 1000) * 1000000;
+
+        err = sem_timedwait(&sem->lock, &wait);
+        if (err && errno == ETIMEDOUT) {
+            return BLE_NPL_TIMEOUT;
+        }
+    }
+
+    return (err) ? BLE_NPL_ERROR : BLE_NPL_OK;
+}
+
+uint16_t
+ble_npl_sem_get_count(struct ble_npl_sem *sem)
+{
+    int count;
+
+    assert(sem);
+    assert(&sem->lock);
+    sem_getvalue(&sem->lock, &count);
+
+    return count;
+}
diff --git a/src/libs/mynewt-nimble/porting/npl/linux/src/os_task.c b/src/libs/mynewt-nimble/porting/npl/linux/src/os_task.c
new file mode 100644
index 00000000..fe6c2df1
--- /dev/null
+++ b/src/libs/mynewt-nimble/porting/npl/linux/src/os_task.c
@@ -0,0 +1,114 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include "os/os.h"
+#include "nimble/nimble_npl.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * Initialize a task.
+ *
+ * This function initializes the task structure pointed to by t,
+ * clearing and setting it's stack pointer, provides sane defaults
+ * and sets the task as ready to run, and inserts it into the operating
+ * system scheduler.
+ *
+ * @param t The task to initialize
+ * @param name The name of the task to initialize
+ * @param func The task function to call
+ * @param arg The argument to pass to this task function
+ * @param prio The priority at which to run this task
+ * @param sanity_itvl The time at which this task should check in with the
+ *                    sanity task.  OS_WAIT_FOREVER means never check in
+ *                    here.
+ * @param stack_bottom A pointer to the bottom of a task's stack
+ * @param stack_size The overall size of the task's stack.
+ *
+ * @return 0 on success, non-zero on failure.
+ */
+int
+ble_npl_task_init(struct ble_npl_task *t, const char *name, ble_npl_task_func_t func,
+        void *arg, uint8_t prio, ble_npl_time_t sanity_itvl,
+        ble_npl_stack_t *stack_bottom, uint16_t stack_size)
+{
+    int err;
+    if ((t == NULL) || (func == NULL)) {
+        return OS_INVALID_PARM;
+    }
+
+    err = pthread_attr_init(&t->attr);
+    if (err) return err;
+    err = pthread_attr_getschedparam (&t->attr, &t->param);
+    if (err) return err;
+    err = pthread_attr_setschedpolicy(&t->attr, SCHED_RR);
+    if (err) return err;
+    t->param.sched_priority = prio;
+    err = pthread_attr_setschedparam (&t->attr, &t->param);
+    if (err) return err;
+
+    t->name = name;
+    err = pthread_create(&t->handle, &t->attr, func, arg);
+
+    return err;
+}
+
+/*
+ * Removes specified task
+ * XXX
+ * NOTE: This interface is currently experimental and not ready for common use
+ */
+int
+ble_npl_task_remove(struct ble_npl_task *t)
+{
+    return pthread_cancel(t->handle);
+}
+
+/**
+ * Return the number of tasks initialized.
+ *
+ * @return number of tasks initialized
+ */
+uint8_t
+ble_npl_task_count(void)
+{
+    return 0;
+}
+
+void *
+ble_npl_get_current_task_id(void)
+{
+    return (void *)pthread_self();
+}
+
+bool ble_npl_os_started(void)
+{
+    return true;
+}
+
+void ble_npl_task_yield(void)
+{
+    pthread_yield();
+}
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/src/libs/mynewt-nimble/porting/npl/linux/src/os_time.c b/src/libs/mynewt-nimble/porting/npl/linux/src/os_time.c
new file mode 100644
index 00000000..4625159f
--- /dev/null
+++ b/src/libs/mynewt-nimble/porting/npl/linux/src/os_time.c
@@ -0,0 +1,80 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include <assert.h>
+#include <stdint.h>
+#include <string.h>
+#include "os/os.h"
+#include "nimble/nimble_npl.h"
+
+#include <unistd.h>
+#include <time.h>
+
+/**
+ * Return ticks [ms] since system start as uint32_t.
+ */
+ble_npl_time_t
+ble_npl_time_get(void)
+{
+    struct timespec now;
+    if (clock_gettime(CLOCK_MONOTONIC, &now)) {
+        return 0;
+    }
+    return now.tv_sec * 1000.0 + now.tv_nsec / 1000000.0;
+}
+
+
+ble_npl_error_t ble_npl_time_ms_to_ticks(uint32_t ms, ble_npl_time_t *out_ticks)
+{
+    *out_ticks = ms;
+
+    return BLE_NPL_OK;
+}
+
+
+ble_npl_error_t ble_npl_time_ticks_to_ms(ble_npl_time_t ticks, uint32_t *out_ms)
+{
+    *out_ms = ticks;
+
+    return BLE_NPL_OK;
+}
+
+ble_npl_time_t ble_npl_time_ms_to_ticks32(uint32_t ms)
+{
+    return ms;
+}
+
+uint32_t ble_npl_time_ticks_to_ms32(ble_npl_time_t ticks)
+{
+    return ticks;
+}
+
+void
+ble_npl_time_delay(ble_npl_time_t ticks)
+{
+    struct timespec sleep_time;
+    long ms = ble_npl_time_ticks_to_ms32(ticks);
+    uint32_t s = ms / 1000;
+
+    ms -= s * 1000;
+    sleep_time.tv_sec = s;
+    sleep_time.tv_nsec = ms * 1000000;
+
+    nanosleep(&sleep_time, NULL);
+}
diff --git a/src/libs/mynewt-nimble/porting/npl/linux/src/wqueue.h b/src/libs/mynewt-nimble/porting/npl/linux/src/wqueue.h
new file mode 100644
index 00000000..1de779e7
--- /dev/null
+++ b/src/libs/mynewt-nimble/porting/npl/linux/src/wqueue.h
@@ -0,0 +1,91 @@
+/*
+   wqueue.h
+   Worker thread queue based on the Standard C++ library list
+   template class.
+   ------------------------------------------
+   Copyright (c) 2013 Vic Hargrave
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+       http://www.apache.org/licenses/LICENSE-2.0
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+// https://vichargrave.github.io/articles/2013-01/multithreaded-work-queue-in-cpp
+// https://github.com/vichargrave/wqueue/blob/master/wqueue.h
+
+
+#ifndef __wqueue_h__
+#define __wqueue_h__
+
+#include <pthread.h>
+#include <list>
+
+using namespace std;
+
+template <typename T> class wqueue
+{
+    list<T>              m_queue;
+    pthread_mutex_t      m_mutex;
+    pthread_mutexattr_t  m_mutex_attr;
+    pthread_cond_t       m_condv;
+
+public:
+    wqueue()
+    {
+        pthread_mutexattr_init(&m_mutex_attr);
+        pthread_mutexattr_settype(&m_mutex_attr, PTHREAD_MUTEX_RECURSIVE);
+        pthread_mutex_init(&m_mutex, &m_mutex_attr);
+        pthread_cond_init(&m_condv, NULL);
+    }
+
+    ~wqueue() {
+        pthread_mutex_destroy(&m_mutex);
+        pthread_cond_destroy(&m_condv);
+    }
+
+    void put(T item) {
+        pthread_mutex_lock(&m_mutex);
+        m_queue.push_back(item);
+        pthread_cond_signal(&m_condv);
+        pthread_mutex_unlock(&m_mutex);
+    }
+
+    T get(uint32_t tmo) {
+        pthread_mutex_lock(&m_mutex);
+        if (tmo) {
+            while (m_queue.size() == 0) {
+                pthread_cond_wait(&m_condv, &m_mutex);
+            }
+        }
+
+        T item = NULL;
+
+        if (m_queue.size() != 0) {
+            item = m_queue.front();
+            m_queue.pop_front();
+        }
+
+        pthread_mutex_unlock(&m_mutex);
+        return item;
+    }
+
+    void remove(T item) {
+        pthread_mutex_lock(&m_mutex);
+        m_queue.remove(item);
+        pthread_mutex_unlock(&m_mutex);
+    }
+
+    int size() {
+        pthread_mutex_lock(&m_mutex);
+        int size = m_queue.size();
+        pthread_mutex_unlock(&m_mutex);
+        return size;
+    }
+};
+
+#endif
diff --git a/src/libs/mynewt-nimble/porting/npl/linux/test/Makefile b/src/libs/mynewt-nimble/porting/npl/linux/test/Makefile
new file mode 100644
index 00000000..c0be3d5f
--- /dev/null
+++ b/src/libs/mynewt-nimble/porting/npl/linux/test/Makefile
@@ -0,0 +1,120 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#  *  http://www.apache.org/licenses/LICENSE-2.0
+#  * Unless required by applicable law or agreed to in writing,
+#  software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+# Makefile
+
+PROJ_ROOT = ../../../..
+
+### ===== Toolchain =====
+
+CROSS_COMPILE ?=
+CC  = ccache $(CROSS_COMPILE)gcc
+CPP = ccache $(CROSS_COMPILE)g++
+LD  = $(CROSS_COMPILE)gcc
+AR  = $(CROSS_COMPILE)ar
+
+### ===== Compiler Flags =====
+
+INCLUDES = \
+    -I.    \
+    -I$(PROJ_ROOT)/nimble/include             \
+    -I$(PROJ_ROOT)/porting/npl/linux/include  \
+    -I$(PROJ_ROOT)/porting/npl/linux/src      \
+    -I$(PROJ_ROOT)/porting/nimble/include     \
+    $(NULL)
+
+DEFINES =
+
+CFLAGS =                    \
+    $(INCLUDES) $(DEFINES)  \
+    -g                      \
+    -D_GNU_SOURCE           \
+    $(NULL)
+
+LIBS = -lrt -lpthread -lstdc++
+
+LDFLAGS =
+
+### ===== Sources =====
+
+OSAL_PATH = $(PROJ_ROOT)/porting/npl/linux/src
+
+SRCS  = $(shell find $(OSAL_PATH) -maxdepth 1 -name '*.c')
+SRCS += $(shell find $(OSAL_PATH) -maxdepth 1 -name '*.cc')
+SRCS += $(PROJ_ROOT)/porting/nimble/src/os_mempool.c
+
+OBJS  = $(patsubst %.c, %.o,$(filter %.c,  $(SRCS)))
+OBJS += $(patsubst %.cc,%.o,$(filter %.cc, $(SRCS)))
+
+TEST_SRCS  = $(shell find . -maxdepth 1 -name '*.c')
+TEST_SRCS += $(shell find . -maxdepth 1 -name '*.cc')
+
+TEST_OBJS  = $(patsubst %.c, %.o,$(filter %.c,  $(SRCS)))
+TEST_OBJS += $(patsubst %.cc,%.o,$(filter %.cc, $(SRCS)))
+
+### ===== Rules =====
+
+all: depend                   \
+     test_npl_task.exe        \
+     test_npl_callout.exe     \
+     test_npl_eventq.exe      \
+     test_npl_sem.exe         \
+     $(NULL)
+
+test_npl_task.exe: test_npl_task.o $(OBJS)
+	$(LD) -o $@ $^ $(LDFLAGS) $(LIBS)
+
+test_npl_eventq.exe: test_npl_eventq.o $(OBJS)
+	$(LD) -o $@ $^ $(LDFLAGS) $(LIBS)
+
+test_npl_callout.exe: test_npl_callout.o $(OBJS)
+	$(LD) -o $@ $^ $(LDFLAGS) $(LIBS)
+
+test_npl_sem.exe: test_npl_sem.o $(OBJS)
+	$(LD) -o $@ $^ $(LDFLAGS) $(LIBS)
+
+test: all
+	./test_npl_task.exe
+	./test_npl_callout.exe
+	./test_npl_eventq.exe
+	./test_npl_sem.exe
+
+show_objs:
+	@echo $(OBJS)
+
+### ===== Clean =====
+clean:
+	@echo "Cleaning artifacts."
+	rm *~ .depend $(OBJS) *.o *.exe
+
+### ===== Dependencies =====
+### Rebuild if headers change
+depend: .depend
+
+.depend: $(SRCS) $(TEST_SRCS)
+	@echo "Building dependencies."
+	rm -f ./.depend
+	$(CC) $(CFLAGS) -MM $^ > ./.depend;
+
+include .depend
+
+### Generic rules based on extension
+%.o: %.c
+	$(CC) -c $(CFLAGS) $< -o $@
+
+%.o: %.cc
+	$(CPP) -c $(CFLAGS) $< -o $@
diff --git a/src/libs/mynewt-nimble/porting/npl/linux/test/test_npl_callout.c b/src/libs/mynewt-nimble/porting/npl/linux/test/test_npl_callout.c
new file mode 100644
index 00000000..d04303f8
--- /dev/null
+++ b/src/libs/mynewt-nimble/porting/npl/linux/test/test_npl_callout.c
@@ -0,0 +1,116 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/**
+  Unit tests for the ble_npl_callout api:
+
+  void ble_npl_callout_init(struct ble_npl_callout *cf, struct ble_npl_eventq *evq,
+                       ble_npl_event_fn *ev_cb, void *ev_arg);
+  int ble_npl_callout_reset(struct ble_npl_callout *, int32_t);
+  int ble_npl_callout_queued(struct ble_npl_callout *c);
+  void ble_npl_callout_stop(struct ble_npl_callout *c);
+*/
+
+#include "test_util.h"
+#include "nimble/nimble_npl.h"
+
+#define TEST_ARGS_VALUE  (55)
+#define TEST_INTERVAL    (100)
+
+static bool                   s_tests_running = true;
+static struct ble_npl_task    s_task;
+static struct ble_npl_callout s_callout;
+static int                    s_callout_args = TEST_ARGS_VALUE;
+
+static struct ble_npl_eventq  s_eventq;
+
+
+void on_callout(struct ble_npl_event *ev)
+{
+    VerifyOrQuit(ev->ev_arg == &s_callout_args,
+		 "callout: wrong args passed");
+
+    VerifyOrQuit(*(int*)ev->ev_arg == TEST_ARGS_VALUE,
+		 "callout: args corrupted");
+
+    s_tests_running = false;
+}
+
+/**
+ * ble_npl_callout_init(struct ble_npl_callout *c, struct ble_npl_eventq *evq,
+ *                 ble_npl_event_fn *ev_cb, void *ev_arg)
+ */
+int test_init(void)
+{
+    ble_npl_callout_init(&s_callout,
+		    &s_eventq,
+		    on_callout,
+		    &s_callout_args);
+    return PASS;
+}
+
+int test_queued(void)
+{
+  //VerifyOrQuit(ble_npl_callout_queued(&s_callout),
+  //	 "callout: not queued when expected");
+    return PASS;
+}
+
+int test_reset(void)
+{
+    return ble_npl_callout_reset(&s_callout, TEST_INTERVAL);
+}
+
+int test_stop(void)
+{
+    return PASS;
+}
+
+
+/**
+ * ble_npl_callout_init(struct ble_npl_callout *c, struct ble_npl_eventq *evq,
+ *                 ble_npl_event_fn *ev_cb, void *ev_arg)
+ */
+void *test_task_run(void *args)
+{
+    SuccessOrQuit(test_init(),   "callout_init failed");
+    SuccessOrQuit(test_queued(), "callout_queued failed");
+    SuccessOrQuit(test_reset(),  "callout_reset failed");
+
+    while (s_tests_running)
+    {
+        ble_npl_eventq_run(&s_eventq);
+    }
+
+    printf("All tests passed\n");
+    exit(PASS);
+
+    return NULL;
+}
+
+int main(void)
+{
+    ble_npl_eventq_init(&s_eventq);
+
+    SuccessOrQuit(ble_npl_task_init(&s_task, "s_task", test_task_run,
+			       NULL, 1, 0, NULL, 0),
+		  "task: error initializing");
+
+    while (1) {}
+}
diff --git a/src/libs/mynewt-nimble/porting/npl/linux/test/test_npl_eventq.c b/src/libs/mynewt-nimble/porting/npl/linux/test/test_npl_eventq.c
new file mode 100644
index 00000000..f0c362b9
--- /dev/null
+++ b/src/libs/mynewt-nimble/porting/npl/linux/test/test_npl_eventq.c
@@ -0,0 +1,131 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/**
+  Unit tests for the ble_npl_eventq api:
+
+  void ble_npl_eventq_init(struct ble_npl_eventq *);
+  void ble_npl_eventq_put(struct ble_npl_eventq *, struct ble_npl_event *);
+  struct ble_npl_event *ble_npl_eventq_get_no_wait(struct ble_npl_eventq *evq);
+  struct ble_npl_event *ble_npl_eventq_get(struct ble_npl_eventq *);
+  void ble_npl_eventq_run(struct ble_npl_eventq *evq);
+  struct ble_npl_event *ble_npl_eventq_poll(struct ble_npl_eventq **, int, ble_npl_time_t);
+  void ble_npl_eventq_remove(struct ble_npl_eventq *, struct ble_npl_event *);
+  struct ble_npl_eventq *ble_npl_eventq_dflt_get(void);
+*/
+
+#include <assert.h>
+#include <pthread.h>
+#include "test_util.h"
+#include "nimble/nimble_npl.h"
+
+#define TEST_ARGS_VALUE  (55)
+#define TEST_STACK_SIZE  (1024)
+
+static bool                   s_tests_running = true;
+static struct ble_npl_task    s_task_runner;
+static struct ble_npl_task    s_task_dispatcher;
+
+static struct ble_npl_eventq  s_eventq;
+static struct ble_npl_event   s_event;
+static int                    s_event_args = TEST_ARGS_VALUE;
+
+
+void on_event(struct ble_npl_event *ev)
+{
+    VerifyOrQuit(ev->ev_arg == &s_event_args,
+		 "callout: wrong args passed");
+
+    VerifyOrQuit(*(int*)ev->ev_arg == TEST_ARGS_VALUE,
+		 "callout: args corrupted");
+
+    s_tests_running = false;
+}
+
+int test_init(void)
+{
+    //VerifyOrQuit(!ble_npl_eventq_inited(&s_eventq), "eventq: empty q initialized");
+    ble_npl_eventq_init(&s_eventq);
+    //VerifyOrQuit(ble_npl_eventq_inited(&s_eventq), "eventq: not initialized");
+
+    return PASS;
+}
+
+int test_run(void)
+{
+    while (s_tests_running)
+    {
+        ble_npl_eventq_run(&s_eventq);
+    }
+
+    return PASS;
+}
+
+int test_put(void)
+{
+    s_event.ev_cb = on_event;
+    s_event.ev_arg = &s_event_args;
+    ble_npl_eventq_put(&s_eventq, &s_event);
+    return PASS;
+}
+
+int test_get_no_wait(void)
+{
+    //struct ble_npl_event *ev = ble_npl_eventq_get_no_wait(&s_eventq);
+    return FAIL;
+}
+
+int test_get(void)
+{
+    struct ble_npl_event *ev = ble_npl_eventq_get(&s_eventq,
+                                                  BLE_NPL_TIME_FOREVER);
+
+    VerifyOrQuit(ev == &s_event,
+		 "callout: wrong event passed");
+
+    return PASS;
+}
+
+
+void *task_test_runner(void *args)
+{
+    int count = 1000000000;
+
+    SuccessOrQuit(test_init(), "eventq_init failed");
+    SuccessOrQuit(test_put(),  "eventq_put failed");
+    SuccessOrQuit(test_get(),  "eventq_get failed");
+    SuccessOrQuit(test_put(),  "eventq_put failed");
+    SuccessOrQuit(test_run(),  "eventq_run failed");
+
+    printf("All tests passed\n");
+    exit(PASS);
+
+    return NULL;
+}
+
+int main(void)
+{
+    SuccessOrQuit(ble_npl_task_init(&s_task_runner,
+			      "task_test_runner",
+			      task_test_runner,
+			      NULL, 1, 0, NULL, 0),
+		          "task: error initializing");
+
+    while (1) {}
+}
diff --git a/src/libs/mynewt-nimble/porting/npl/linux/test/test_npl_mempool.c b/src/libs/mynewt-nimble/porting/npl/linux/test/test_npl_mempool.c
new file mode 100644
index 00000000..2dac0bb1
--- /dev/null
+++ b/src/libs/mynewt-nimble/porting/npl/linux/test/test_npl_mempool.c
@@ -0,0 +1,111 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include "test_util.h"
+#include "nimble/nimble_npl.h"
+
+#define    TEST_MEMPOOL_BLOCKS       4
+#define    TEST_MEMPOOL_BLOCK_SIZE   128
+
+static struct ble_npl_mempool s_mempool;
+
+static os_membuf_t s_mempool_mem[OS_MEMPOOL_SIZE(TEST_MEMPOOL_BLOCKS,
+						 TEST_MEMPOOL_BLOCK_SIZE)];
+
+static void *s_memblock[TEST_MEMPOOL_BLOCKS];
+
+/**
+ * Unit test for initializing a mempool.
+ *
+ * ble_npl_error_t ble_npl_mempool_init(struct ble_npl_mempool *mp, int blocks,
+ *                            int block_size, void *membuf, char *name);
+ *
+ */
+int test_init(void)
+{
+    int err;
+    err = ble_npl_mempool_init(NULL,
+			  TEST_MEMPOOL_BLOCKS,
+			  TEST_MEMPOOL_BLOCK_SIZE,
+			  NULL,
+			  "Null mempool");
+    VerifyOrQuit(err, "ble_npl_mempool_init accepted NULL parameters.");
+
+    err = ble_npl_mempool_init(&s_mempool,
+			  TEST_MEMPOOL_BLOCKS,
+			  TEST_MEMPOOL_BLOCK_SIZE,
+			  s_mempool_mem,
+			  "s_mempool");
+    return err;
+}
+
+/**
+ * Test integrity check of a mempool.
+ *
+ * bool ble_npl_mempool_is_sane(const struct ble_npl_mempool *mp);
+ */
+int test_is_sane(void)
+{
+    return (ble_npl_mempool_is_sane(&s_mempool)) ? PASS : FAIL;
+}
+
+/**
+ * Test getting a memory block from the pool, putting it back,
+ * and checking if it is still valid.
+ *
+ * void *ble_npl_memblock_get(struct ble_npl_mempool *mp);
+ *
+ * ble_npl_error_t ble_npl_memblock_put(struct ble_npl_mempool *mp, void *block_addr);
+ *
+ * int ble_npl_memblock_from(const struct ble_npl_mempool *mp, const void *block_addr);
+ */
+int test_stress(void)
+{
+    int loops = 3;
+    while(loops--)
+    {
+        for (int i = 0; i < 4; i++)
+	{
+	    s_memblock[i] = ble_npl_memblock_get(&s_mempool);
+	    VerifyOrQuit(ble_npl_memblock_from(&s_mempool, s_memblock[i]),
+			 "ble_npl_memblock_get return invalid block.");
+	}
+
+
+        for (int i = 0; i < 4; i++)
+	{
+ 	    SuccessOrQuit(ble_npl_memblock_put(&s_mempool, s_memblock[i]),
+			"ble_npl_memblock_put refused to take valid block.");
+	    //VerifyOrQuit(!ble_npl_memblock_from(&s_mempool, s_memblock[i]),
+	    //		 "Block still valid after ble_npl_memblock_put.");
+	}
+
+    }
+    return PASS;
+}
+
+int main(void)
+{
+    SuccessOrQuit(test_init(),    "Failed: ble_npl_mempool_init");
+    SuccessOrQuit(test_is_sane(), "Failed: ble_npl_mempool_is_sane");
+    SuccessOrQuit(test_stress(),  "Failed: ble_npl_mempool stree test");
+    SuccessOrQuit(test_is_sane(), "Failed: ble_npl_mempool_is_sane");
+    printf("All tests passed\n");
+    return PASS;
+}
diff --git a/src/libs/mynewt-nimble/porting/npl/linux/test/test_npl_sem.c b/src/libs/mynewt-nimble/porting/npl/linux/test/test_npl_sem.c
new file mode 100644
index 00000000..b62f8e2a
--- /dev/null
+++ b/src/libs/mynewt-nimble/porting/npl/linux/test/test_npl_sem.c
@@ -0,0 +1,155 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/**
+  Unit tests for the Semaphore api (ble_npl_sem):
+
+  ble_npl_error_t ble_npl_sem_init(struct ble_npl_sem *sem, uint16_t tokens);
+  ble_npl_error_t ble_npl_sem_release(struct ble_npl_sem *sem);
+  ble_npl_error_t ble_npl_sem_pend(struct ble_npl_sem *sem, uint32_t timeout);
+  uint16_t ble_npl_sem_get_count(struct ble_npl_sem *sem);
+*/
+
+#include "test_util.h"
+#include "nimble/nimble_npl.h"
+//#include "os/os.h"
+
+#define TEST_ITERATIONS   10
+
+#define TASK1_PRIO        1
+#define TASK2_PRIO        1
+
+#define TASK1_STACK_SIZE  1028
+#define TASK2_STACK_SIZE  1028
+
+static struct ble_npl_task    task1;
+static struct ble_npl_task    task2;
+
+static ble_npl_stack_t task1_stack[TASK1_STACK_SIZE];
+static ble_npl_stack_t task2_stack[TASK2_STACK_SIZE];
+
+struct ble_npl_sem task1_sem;
+struct ble_npl_sem task2_sem;
+
+/* Task 1 handler function */
+void *
+task1_handler(void *arg)
+{
+    for (int i = 0; i < TEST_ITERATIONS; i++)
+    {
+	/* Release semaphore to task 2 */
+        SuccessOrQuit(ble_npl_sem_release(&task1_sem),
+		      "ble_npl_sem_release: error releasing task2_sem.");
+
+	/* Wait for semaphore from task 2 */
+        SuccessOrQuit(ble_npl_sem_pend(&task2_sem, BLE_NPL_TIME_FOREVER),
+		      "ble_npl_sem_pend: error waiting for task2_sem.");
+    }
+
+    printf("All tests passed\n");
+    exit(PASS);
+
+    return NULL;
+}
+
+/* Task 2 handler function */
+void *
+task2_handler(void *arg)
+{
+    while(1)
+    {
+        /* Wait for semaphore from task1 */
+        SuccessOrQuit(ble_npl_sem_pend(&task1_sem, BLE_NPL_TIME_FOREVER),
+		      "ble_npl_sem_pend: error waiting for task1_sem.");
+
+	    /* Release task2 semaphore */
+        SuccessOrQuit(ble_npl_sem_release(&task2_sem),
+		      "ble_npl_sem_release: error releasing task1_sem.");
+    }
+
+    return NULL;
+}
+
+
+/* Initialize task 1 exposed data objects */
+void
+task1_init(void)
+{
+    /* Initialize task1 semaphore */
+    SuccessOrQuit(ble_npl_sem_init(&task1_sem, 0),
+		  "ble_npl_sem_init: task1 returned error.");
+}
+
+/* Initialize task 2 exposed data objects */
+void
+task2_init(void)
+{
+    /* Initialize task1 semaphore */
+    SuccessOrQuit(ble_npl_sem_init(&task2_sem, 0),
+		  "ble_npl_sem_init: task2 returned error.");
+}
+
+/**
+ * init_app_tasks
+ *
+ * This function performs initializations that are required before tasks run.
+ *
+ * @return int 0 success; error otherwise.
+ */
+static int
+init_app_tasks(void)
+{
+    /*
+     * Call task specific initialization functions to initialize any shared objects
+     * before initializing the tasks with the OS.
+     */
+    task1_init();
+    task2_init();
+
+    /*
+     * Initialize tasks 1 and 2 with the OS.
+     */
+    ble_npl_task_init(&task1, "task1", task1_handler, NULL, TASK1_PRIO,
+                      BLE_NPL_TIME_FOREVER, task1_stack, TASK1_STACK_SIZE);
+
+    ble_npl_task_init(&task2, "task2", task2_handler, NULL, TASK2_PRIO,
+                      BLE_NPL_TIME_FOREVER, task2_stack, TASK2_STACK_SIZE);
+
+    return 0;
+}
+
+/**
+ * main
+ *
+ * The main function for the application. This function initializes the system and packages,
+ * calls the application specific task initialization function, then waits and dispatches
+ * events from the OS default event queue in an infinite loop.
+ */
+int
+main(int argc, char **arg)
+{
+    /* Initialize application specific tasks */
+    init_app_tasks();
+
+    while (1)
+    {
+        ble_npl_eventq_run(ble_npl_eventq_dflt_get());
+    }
+    /* main never returns */
+}
diff --git a/src/libs/mynewt-nimble/porting/npl/linux/test/test_npl_task.c b/src/libs/mynewt-nimble/porting/npl/linux/test/test_npl_task.c
new file mode 100644
index 00000000..66310cd7
--- /dev/null
+++ b/src/libs/mynewt-nimble/porting/npl/linux/test/test_npl_task.c
@@ -0,0 +1,98 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include "test_util.h"
+#include "nimble/nimble_npl.h"
+
+#include <pthread.h>
+
+#define TASK0_ARG     55
+#define TASK1_ARG     66
+
+static struct ble_npl_task s_task[2];
+static int            s_task_arg[2] =
+{
+    TASK0_ARG, TASK1_ARG
+};
+
+
+void *task0_run(void *args)
+{
+    int i = 10000;
+    VerifyOrQuit(args == &s_task_arg[0], "Wrong args passed to task0");
+
+    while (i--)
+    {
+    }
+
+    return NULL;
+}
+
+void *task1_run(void *args)
+{
+    int i = 10000;
+    VerifyOrQuit(args == &s_task_arg[1], "Wrong args passed to task0");
+
+    while (i--)
+    {
+    }
+
+    printf("All tests passed\n");
+    exit(PASS);
+
+    return NULL;
+}
+
+/**
+ * Unit test for initializing a task.
+ *
+ * int ble_npl_task_init(struct ble_npl_task *t, const char *name, ble_npl_task_func_t func,
+ *                  void *arg, uint8_t prio, ble_npl_time_t sanity_itvl,
+ *                  ble_npl_stack_t *stack_bottom, uint16_t stack_size)
+ *
+ */
+int test_init(void)
+{
+    int err;
+    err = ble_npl_task_init(NULL,
+		       "Null task",
+		       NULL, NULL, 1, 0, NULL, 0);
+    VerifyOrQuit(err, "ble_npl_task_init accepted NULL parameters.");
+
+    err = ble_npl_task_init(&s_task[0],
+		       "s_task[0]",
+		       task0_run, &s_task_arg[0], 1, 0, NULL, 0);
+    SuccessOrQuit(err, "ble_npl_task_init failed.");
+
+    err = ble_npl_task_init(&s_task[1],
+		       "s_task[1]",
+		       task1_run, &s_task_arg[1], 1, 0, NULL, 0);
+
+    return err;
+}
+
+int main(void)
+{
+    int ret = PASS;
+    SuccessOrQuit(test_init(),    "Failed: ble_npl_task_init");
+
+    pthread_exit(&ret);
+
+    return ret;
+}
diff --git a/src/libs/mynewt-nimble/porting/npl/linux/test/test_util.h b/src/libs/mynewt-nimble/porting/npl/linux/test/test_util.h
new file mode 100644
index 00000000..90985c3f
--- /dev/null
+++ b/src/libs/mynewt-nimble/porting/npl/linux/test/test_util.h
@@ -0,0 +1,56 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#ifndef _TEST_UTIL_H_
+#define _TEST_UTIL_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#define PASS    (0)
+#define FAIL    (-1)
+
+#define SuccessOrQuit(ERR, MSG)						      \
+  do {                                                                        \
+    if ((ERR))                                                                \
+    {                                                                         \
+      fprintf(stderr, "\nFAILED %s:%d - %s\n", __FUNCTION__, __LINE__, MSG);  \
+      exit(-1);                                                               \
+    }                                                                         \
+  } while (false)
+
+#define VerifyOrQuit(TST, MSG)                                                \
+  do {                                                                        \
+    if (!(TST))                                                               \
+    {                                                                         \
+      fprintf(stderr, "\nFAILED %s:%d - %s\n", __FUNCTION__, __LINE__, MSG);  \
+      exit(-1);                                                               \
+    }                                                                         \
+  } while (false)
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  /* _TEST_UTIL_H_ */
diff --git a/src/libs/mynewt-nimble/porting/npl/mynewt/include/nimble/nimble_npl_os.h b/src/libs/mynewt-nimble/porting/npl/mynewt/include/nimble/nimble_npl_os.h
new file mode 100644
index 00000000..8d8ccda3
--- /dev/null
+++ b/src/libs/mynewt-nimble/porting/npl/mynewt/include/nimble/nimble_npl_os.h
@@ -0,0 +1,293 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#ifndef _NIMBLE_NPL_OS_H_
+#define _NIMBLE_NPL_OS_H_
+
+#include <stdint.h>
+#include <string.h>
+#include <assert.h>
+#include "os/os.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define BLE_NPL_TIME_FOREVER    (OS_TIMEOUT_NEVER)
+
+typedef os_time_t ble_npl_time_t;
+typedef os_stime_t ble_npl_stime_t;
+
+/*
+ * This allows to cast between ble_npl_* and os_* structs to make NPL for Mynewt
+ * just a shim layer on top of kernel/os.
+ */
+
+struct ble_npl_event {
+    struct os_event ev;
+};
+
+struct ble_npl_eventq {
+    struct os_eventq evq;
+};
+
+struct ble_npl_callout {
+    struct os_callout co;
+};
+
+struct ble_npl_mutex {
+    struct os_mutex mu;
+};
+
+struct ble_npl_sem {
+    struct os_sem sem;
+};
+
+static inline bool
+ble_npl_os_started(void)
+{
+    return os_started();
+}
+
+static inline void *
+ble_npl_get_current_task_id(void)
+{
+    return os_sched_get_current_task();
+}
+
+static inline struct ble_npl_eventq *
+ble_npl_eventq_dflt_get(void)
+{
+    return (struct ble_npl_eventq *) os_eventq_dflt_get();
+}
+
+static inline void
+ble_npl_eventq_init(struct ble_npl_eventq *evq)
+{
+    os_eventq_init(&evq->evq);
+}
+
+static inline struct ble_npl_event *
+ble_npl_eventq_get(struct ble_npl_eventq *evq, ble_npl_time_t tmo)
+{
+    struct os_event *ev;
+
+    if (tmo == BLE_NPL_TIME_FOREVER) {
+        ev = os_eventq_get(&evq->evq);
+    } else {
+        ev = os_eventq_poll((struct os_eventq **)&evq, 1, tmo);
+    }
+
+    return (struct ble_npl_event *)ev;
+}
+
+static inline void
+ble_npl_eventq_put(struct ble_npl_eventq *evq, struct ble_npl_event *ev)
+{
+    os_eventq_put(&evq->evq, &ev->ev);
+}
+
+static inline void
+ble_npl_eventq_remove(struct ble_npl_eventq *evq,
+                      struct ble_npl_event *ev)
+{
+    os_eventq_remove(&evq->evq, &ev->ev);
+}
+
+static inline void
+ble_npl_event_run(struct ble_npl_event *ev)
+{
+    ev->ev.ev_cb(&ev->ev);
+}
+
+static inline bool
+ble_npl_eventq_is_empty(struct ble_npl_eventq *evq)
+{
+    return STAILQ_EMPTY(&evq->evq.evq_list);
+}
+
+static inline void
+ble_npl_event_init(struct ble_npl_event *ev, ble_npl_event_fn *fn,
+                   void *arg)
+{
+    memset(ev, 0, sizeof(*ev));
+    ev->ev.ev_queued = 0;
+    ev->ev.ev_cb = (os_event_fn *)fn;
+    ev->ev.ev_arg = arg;
+}
+
+static inline bool
+ble_npl_event_is_queued(struct ble_npl_event *ev)
+{
+    return ev->ev.ev_queued;
+}
+
+static inline void *
+ble_npl_event_get_arg(struct ble_npl_event *ev)
+{
+    return ev->ev.ev_arg;
+}
+
+static inline void
+ble_npl_event_set_arg(struct ble_npl_event *ev, void *arg)
+{
+    assert(ev->ev.ev_queued == 0);
+    ev->ev.ev_arg = arg;
+}
+
+static inline ble_npl_error_t
+ble_npl_mutex_init(struct ble_npl_mutex *mu)
+{
+    return (ble_npl_error_t)os_mutex_init(&mu->mu);
+}
+
+static inline ble_npl_error_t
+ble_npl_mutex_pend(struct ble_npl_mutex *mu, ble_npl_time_t timeout)
+{
+    return (ble_npl_error_t)os_mutex_pend(&mu->mu, timeout);
+}
+
+static inline ble_npl_error_t
+ble_npl_mutex_release(struct ble_npl_mutex *mu)
+{
+    return (ble_npl_error_t)os_mutex_release(&mu->mu);
+}
+
+static inline ble_npl_error_t
+ble_npl_sem_init(struct ble_npl_sem *sem, uint16_t tokens)
+{
+    return (ble_npl_error_t)os_sem_init(&sem->sem, tokens);
+}
+
+static inline ble_npl_error_t
+ble_npl_sem_pend(struct ble_npl_sem *sem, ble_npl_time_t timeout)
+{
+    return (ble_npl_error_t)os_sem_pend(&sem->sem, timeout);
+}
+
+static inline ble_npl_error_t
+ble_npl_sem_release(struct ble_npl_sem *sem)
+{
+    return (ble_npl_error_t)os_sem_release(&sem->sem);
+}
+
+static inline uint16_t
+ble_npl_sem_get_count(struct ble_npl_sem *sem)
+{
+    return os_sem_get_count(&sem->sem);
+}
+
+static inline void
+ble_npl_callout_init(struct ble_npl_callout *co, struct ble_npl_eventq *evq,
+                     ble_npl_event_fn *ev_cb, void *ev_arg)
+{
+    os_callout_init(&co->co, &evq->evq, (os_event_fn *)ev_cb, ev_arg);
+}
+
+static inline ble_npl_error_t
+ble_npl_callout_reset(struct ble_npl_callout *co, ble_npl_time_t ticks)
+{
+    return (ble_npl_error_t)os_callout_reset(&co->co, ticks);
+}
+
+static inline void
+ble_npl_callout_stop(struct ble_npl_callout *co)
+{
+    os_callout_stop(&co->co);
+}
+
+static inline bool
+ble_npl_callout_is_active(struct ble_npl_callout *co)
+{
+    return os_callout_queued(&co->co);
+}
+
+static inline ble_npl_time_t
+ble_npl_callout_get_ticks(struct ble_npl_callout *co)
+{
+    return co->co.c_ticks;
+}
+
+static inline ble_npl_time_t
+ble_npl_callout_remaining_ticks(struct ble_npl_callout *co,
+                                ble_npl_time_t time)
+{
+    return os_callout_remaining_ticks(&co->co, time);
+}
+
+static inline void
+ble_npl_callout_set_arg(struct ble_npl_callout *co,
+                        void *arg)
+{
+    co->co.c_ev.ev_arg = arg;
+}
+
+static inline uint32_t
+ble_npl_time_get(void)
+{
+    return os_time_get();
+}
+
+static inline ble_npl_error_t
+ble_npl_time_ms_to_ticks(uint32_t ms, ble_npl_time_t *out_ticks)
+{
+    return (ble_npl_error_t)os_time_ms_to_ticks(ms, out_ticks);
+}
+
+static inline ble_npl_error_t
+ble_npl_time_ticks_to_ms(ble_npl_time_t ticks, uint32_t *out_ms)
+{
+    return os_time_ticks_to_ms(ticks, out_ms);
+}
+
+static inline ble_npl_time_t
+ble_npl_time_ms_to_ticks32(uint32_t ms)
+{
+    return os_time_ms_to_ticks32(ms);
+}
+
+static inline uint32_t
+ble_npl_time_ticks_to_ms32(ble_npl_time_t ticks)
+{
+    return os_time_ticks_to_ms32(ticks);
+}
+
+static inline void
+ble_npl_time_delay(ble_npl_time_t ticks)
+{
+    return os_time_delay(ticks);
+}
+
+static inline uint32_t
+ble_npl_hw_enter_critical(void)
+{
+    return os_arch_save_sr();
+}
+
+static inline void
+ble_npl_hw_exit_critical(uint32_t ctx)
+{
+    os_arch_restore_sr(ctx);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  /* _NPL_H_ */
diff --git a/src/libs/mynewt-nimble/porting/npl/mynewt/pkg.yml b/src/libs/mynewt-nimble/porting/npl/mynewt/pkg.yml
new file mode 100644
index 00000000..b6a790f0
--- /dev/null
+++ b/src/libs/mynewt-nimble/porting/npl/mynewt/pkg.yml
@@ -0,0 +1,27 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#  http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+pkg.name: porting/npl/mynewt
+pkg.description: NimBLE porting layer for Apache Mynewt
+pkg.author: "Apache Mynewt <dev@mynewt.incubator.apache.org>"
+pkg.homepage: "http://mynewt.apache.org/"
+pkg.keywords:
+
+pkg.deps:
+    - "@apache-mynewt-core/kernel/os"
diff --git a/src/libs/mynewt-nimble/porting/npl/riot/include/logcfg/logcfg.h b/src/libs/mynewt-nimble/porting/npl/riot/include/logcfg/logcfg.h
new file mode 100644
index 00000000..e21a3ae5
--- /dev/null
+++ b/src/libs/mynewt-nimble/porting/npl/riot/include/logcfg/logcfg.h
@@ -0,0 +1,32 @@
+/**
+ * This file was generated by Apache newt version: 1.8.0-dev
+ */
+
+#ifndef H_MYNEWT_LOGCFG_
+#define H_MYNEWT_LOGCFG_
+
+#include "modlog/modlog.h"
+#include "log_common/log_common.h"
+
+#define BLE_HS_LOG_DEBUG(...) IGNORE(__VA_ARGS__)
+#define BLE_HS_LOG_INFO(...) MODLOG_INFO(4, __VA_ARGS__)
+#define BLE_HS_LOG_WARN(...) MODLOG_WARN(4, __VA_ARGS__)
+#define BLE_HS_LOG_ERROR(...) MODLOG_ERROR(4, __VA_ARGS__)
+#define BLE_HS_LOG_CRITICAL(...) MODLOG_CRITICAL(4, __VA_ARGS__)
+#define BLE_HS_LOG_DISABLED(...) MODLOG_DISABLED(4, __VA_ARGS__)
+
+#define DFLT_LOG_DEBUG(...) IGNORE(__VA_ARGS__)
+#define DFLT_LOG_INFO(...) MODLOG_INFO(0, __VA_ARGS__)
+#define DFLT_LOG_WARN(...) MODLOG_WARN(0, __VA_ARGS__)
+#define DFLT_LOG_ERROR(...) MODLOG_ERROR(0, __VA_ARGS__)
+#define DFLT_LOG_CRITICAL(...) MODLOG_CRITICAL(0, __VA_ARGS__)
+#define DFLT_LOG_DISABLED(...) MODLOG_DISABLED(0, __VA_ARGS__)
+
+#define MFG_LOG_DEBUG(...) IGNORE(__VA_ARGS__)
+#define MFG_LOG_INFO(...) IGNORE(__VA_ARGS__)
+#define MFG_LOG_WARN(...) IGNORE(__VA_ARGS__)
+#define MFG_LOG_ERROR(...) IGNORE(__VA_ARGS__)
+#define MFG_LOG_CRITICAL(...) IGNORE(__VA_ARGS__)
+#define MFG_LOG_DISABLED(...) MODLOG_DISABLED(128, __VA_ARGS__)
+
+#endif
diff --git a/src/libs/mynewt-nimble/porting/npl/riot/include/nimble/nimble_npl_os.h b/src/libs/mynewt-nimble/porting/npl/riot/include/nimble/nimble_npl_os.h
new file mode 100644
index 00000000..854fd06c
--- /dev/null
+++ b/src/libs/mynewt-nimble/porting/npl/riot/include/nimble/nimble_npl_os.h
@@ -0,0 +1,296 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#ifndef _NIMBLE_NPL_OS_H_
+#define _NIMBLE_NPL_OS_H_
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "event/callback.h"
+#include "mutex.h"
+#include "semaphore.h"
+#include "xtimer.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define BLE_NPL_OS_ALIGNMENT    4
+
+#define BLE_NPL_TIME_FOREVER    UINT32_MAX
+
+typedef uint32_t ble_npl_time_t;
+typedef int32_t ble_npl_stime_t;
+
+extern volatile int ble_npl_in_critical;
+
+struct ble_npl_event {
+    event_callback_t e;
+    void *arg;
+};
+
+struct ble_npl_eventq {
+    event_queue_t q;
+};
+
+struct ble_npl_callout {
+    xtimer_t timer;
+    uint64_t target_us;
+    struct ble_npl_event e;
+    event_queue_t *q;
+};
+
+struct ble_npl_mutex {
+    mutex_t mu;
+};
+
+struct ble_npl_sem {
+    sem_t sem;
+};
+
+static inline bool
+ble_npl_os_started(void)
+{
+    return true;
+}
+
+static inline void *
+ble_npl_get_current_task_id(void)
+{
+    return (void *)(uint32_t)thread_getpid();
+}
+
+static inline void
+ble_npl_eventq_init(struct ble_npl_eventq *evq)
+{
+    event_queue_init_detached(&evq->q);
+}
+
+static inline void
+ble_npl_eventq_put(struct ble_npl_eventq *evq, struct ble_npl_event *ev)
+{
+    event_post(&evq->q, &ev->e.super);
+}
+
+static inline struct ble_npl_event *
+ble_npl_eventq_get(struct ble_npl_eventq *evq, ble_npl_time_t tmo)
+{
+    if (evq->q.waiter == NULL) {
+        event_queue_claim(&evq->q);
+    }
+
+    if (tmo == 0) {
+        return (struct ble_npl_event *)event_get(&evq->q);
+    } else if (tmo == BLE_NPL_TIME_FOREVER) {
+        return (struct ble_npl_event *)event_wait(&evq->q);
+    } else {
+        return (struct ble_npl_event *)event_wait_timeout64(&evq->q,
+                                                            tmo * US_PER_MS);
+    }
+}
+
+static inline void
+ble_npl_eventq_remove(struct ble_npl_eventq *evq, struct ble_npl_event *ev)
+{
+    event_cancel(&evq->q, &ev->e.super);
+}
+
+static inline void
+ble_npl_event_run(struct ble_npl_event *ev)
+{
+    ev->e.super.handler(&ev->e.super);
+}
+
+static inline void
+ble_npl_event_init(struct ble_npl_event *ev, ble_npl_event_fn *fn, void *arg)
+{
+    /*
+     * Need to clear list_node manually since init function below does not do
+     * this.
+     */
+    ev->e.super.list_node.next = NULL;
+    event_callback_init(&ev->e, (void(*)(void *))fn, ev);
+    ev->arg = arg;
+}
+
+static inline bool
+ble_npl_event_is_queued(struct ble_npl_event *ev)
+{
+    return (ev->e.super.list_node.next != NULL);
+}
+
+static inline void *
+ble_npl_event_get_arg(struct ble_npl_event *ev)
+{
+    return ev->arg;
+}
+
+static inline void
+ble_npl_event_set_arg(struct ble_npl_event *ev, void *arg)
+{
+    ev->arg = arg;
+}
+
+static inline ble_npl_error_t
+ble_npl_mutex_init(struct ble_npl_mutex *mu)
+{
+    mutex_init(&mu->mu);
+    return BLE_NPL_OK;
+}
+
+static inline ble_npl_error_t
+ble_npl_mutex_pend(struct ble_npl_mutex *mu, ble_npl_time_t timeout)
+{
+    assert(timeout == BLE_NPL_TIME_FOREVER);
+    (void)timeout;
+
+    mutex_lock(&mu->mu);
+    return BLE_NPL_OK;
+}
+
+static inline ble_npl_error_t
+ble_npl_mutex_release(struct ble_npl_mutex *mu)
+{
+    mutex_unlock(&mu->mu);
+    return BLE_NPL_OK;
+}
+
+static inline ble_npl_error_t
+ble_npl_sem_init(struct ble_npl_sem *sem, uint16_t tokens)
+{
+    int rc;
+
+    rc = sem_init(&sem->sem, 0, tokens);
+
+    return rc == 0 ? BLE_NPL_OK : BLE_NPL_ERROR;
+}
+
+static inline ble_npl_error_t
+ble_npl_sem_release(struct ble_npl_sem *sem)
+{
+    int rc;
+
+    rc = sem_post(&sem->sem);
+
+    return rc == 0 ? BLE_NPL_OK : BLE_NPL_ERROR;
+}
+
+static inline uint16_t
+ble_npl_sem_get_count(struct ble_npl_sem *sem)
+{
+    int val = 0;
+
+    sem_getvalue(&sem->sem, &val);
+
+    return (uint16_t)val;
+}
+
+static inline void
+ble_npl_callout_stop(struct ble_npl_callout *co)
+{
+    xtimer_remove(&co->timer);
+}
+
+static inline bool
+ble_npl_callout_is_active(struct ble_npl_callout *c)
+{
+    return (c->timer.offset || c->timer.long_offset);
+}
+
+static inline ble_npl_time_t
+ble_npl_callout_get_ticks(struct ble_npl_callout *co)
+{
+    return (ble_npl_time_t)(co->target_us / US_PER_MS);
+}
+
+static inline void
+ble_npl_callout_set_arg(struct ble_npl_callout *co, void *arg)
+{
+    co->e.arg = arg;
+}
+
+static inline ble_npl_time_t
+ble_npl_time_get(void)
+{
+    return (ble_npl_time_t)(xtimer_now_usec64() / US_PER_MS);
+}
+
+static inline ble_npl_error_t
+ble_npl_time_ms_to_ticks(uint32_t ms, ble_npl_time_t *out_ticks)
+{
+    *out_ticks = ms;
+    return BLE_NPL_OK;
+}
+
+static inline ble_npl_error_t
+ble_npl_time_ticks_to_ms(ble_npl_time_t ticks, uint32_t *out_ms)
+{
+    *out_ms = ticks;
+    return BLE_NPL_OK;
+}
+
+static inline ble_npl_time_t
+ble_npl_time_ms_to_ticks32(uint32_t ms)
+{
+    return ms;
+}
+
+static inline uint32_t
+ble_npl_time_ticks_to_ms32(ble_npl_time_t ticks)
+{
+    return ticks;
+}
+
+static inline void
+ble_npl_time_delay(ble_npl_time_t ticks)
+{
+    xtimer_usleep64(ticks * US_PER_MS);
+}
+
+static inline uint32_t
+ble_npl_hw_enter_critical(void)
+{
+    uint32_t ctx = irq_disable();
+    ++ble_npl_in_critical;
+    return ctx;
+}
+
+static inline void
+ble_npl_hw_exit_critical(uint32_t ctx)
+{
+    --ble_npl_in_critical;
+    irq_restore((unsigned)ctx);
+}
+
+static inline bool
+ble_npl_hw_is_in_critical(void)
+{
+    /*
+     * XXX Currently RIOT does not support an API for finding out if interrupts
+     *     are currently disabled, hence in a critical section in this context.
+     *     So for now, we use this global variable to keep this state for us.
+    -*/
+    return (ble_npl_in_critical > 0);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  /* _NPL_H_ */
diff --git a/src/libs/mynewt-nimble/porting/npl/riot/include/syscfg/syscfg.h b/src/libs/mynewt-nimble/porting/npl/riot/include/syscfg/syscfg.h
new file mode 100644
index 00000000..e78ebe0a
--- /dev/null
+++ b/src/libs/mynewt-nimble/porting/npl/riot/include/syscfg/syscfg.h
@@ -0,0 +1,1535 @@
+/**
+ * This file was generated by Apache newt version: 1.8.0-dev
+ */
+
+#ifndef H_MYNEWT_SYSCFG_
+#define H_MYNEWT_SYSCFG_
+
+/**
+ * This macro exists to ensure code includes this header when needed.  If code
+ * checks the existence of a setting directly via ifdef without including this
+ * header, the setting macro will silently evaluate to 0.  In contrast, an
+ * attempt to use these macros without including this header will result in a
+ * compiler error.
+ */
+#define MYNEWT_VAL(_name)                       MYNEWT_VAL_ ## _name
+#define MYNEWT_VAL_CHOICE(_name, _val)          MYNEWT_VAL_ ## _name ## __ ## _val
+
+
+
+/*** @apache-mynewt-core/compiler/arm-none-eabi-m4 */
+#ifndef MYNEWT_VAL_HARDFLOAT
+#define MYNEWT_VAL_HARDFLOAT (0)
+#endif
+
+/*** @apache-mynewt-core/hw/bsp/nordic_pca10056 */
+#ifndef MYNEWT_VAL_BSP_NRF52840
+#define MYNEWT_VAL_BSP_NRF52840 (1)
+#endif
+
+#ifndef MYNEWT_VAL_SOFT_PWM
+#define MYNEWT_VAL_SOFT_PWM (0)
+#endif
+
+/*** @apache-mynewt-core/hw/hal */
+#ifndef MYNEWT_VAL_HAL_ENABLE_SOFTWARE_BREAKPOINTS
+#define MYNEWT_VAL_HAL_ENABLE_SOFTWARE_BREAKPOINTS (1)
+#endif
+
+#ifndef MYNEWT_VAL_HAL_FLASH_VERIFY_BUF_SZ
+#define MYNEWT_VAL_HAL_FLASH_VERIFY_BUF_SZ (16)
+#endif
+
+#ifndef MYNEWT_VAL_HAL_FLASH_VERIFY_ERASES
+#define MYNEWT_VAL_HAL_FLASH_VERIFY_ERASES (0)
+#endif
+
+#ifndef MYNEWT_VAL_HAL_FLASH_VERIFY_WRITES
+#define MYNEWT_VAL_HAL_FLASH_VERIFY_WRITES (0)
+#endif
+
+#ifndef MYNEWT_VAL_HAL_SYSTEM_RESET_CB
+#define MYNEWT_VAL_HAL_SYSTEM_RESET_CB (0)
+#endif
+
+/*** @apache-mynewt-core/hw/mcu/nordic/nrf52xxx */
+#ifndef MYNEWT_VAL_ADC_0
+#define MYNEWT_VAL_ADC_0 (0)
+#endif
+
+#ifndef MYNEWT_VAL_ADC_0_REFMV_0
+#define MYNEWT_VAL_ADC_0_REFMV_0 (0)
+#endif
+
+#ifndef MYNEWT_VAL_CRYPTO
+#define MYNEWT_VAL_CRYPTO (0)
+#endif
+
+#ifndef MYNEWT_VAL_GPIO_AS_PIN_RESET
+#define MYNEWT_VAL_GPIO_AS_PIN_RESET (0)
+#endif
+
+#ifndef MYNEWT_VAL_I2C_0
+#define MYNEWT_VAL_I2C_0 (0)
+#endif
+
+#ifndef MYNEWT_VAL_I2C_0_FREQ_KHZ
+#define MYNEWT_VAL_I2C_0_FREQ_KHZ (100)
+#endif
+
+/* Overridden by @apache-mynewt-core/hw/bsp/nordic_pca10056 (defined by @apache-mynewt-core/hw/mcu/nordic/nrf52xxx) */
+#ifndef MYNEWT_VAL_I2C_0_PIN_SCL
+#define MYNEWT_VAL_I2C_0_PIN_SCL (27)
+#endif
+
+/* Overridden by @apache-mynewt-core/hw/bsp/nordic_pca10056 (defined by @apache-mynewt-core/hw/mcu/nordic/nrf52xxx) */
+#ifndef MYNEWT_VAL_I2C_0_PIN_SDA
+#define MYNEWT_VAL_I2C_0_PIN_SDA (26)
+#endif
+
+#ifndef MYNEWT_VAL_I2C_1
+#define MYNEWT_VAL_I2C_1 (0)
+#endif
+
+#ifndef MYNEWT_VAL_I2C_1_FREQ_KHZ
+#define MYNEWT_VAL_I2C_1_FREQ_KHZ (100)
+#endif
+
+#undef MYNEWT_VAL_I2C_1_PIN_SCL
+
+#undef MYNEWT_VAL_I2C_1_PIN_SDA
+
+#ifndef MYNEWT_VAL_MCU_BUS_DRIVER_I2C_USE_TWIM
+#define MYNEWT_VAL_MCU_BUS_DRIVER_I2C_USE_TWIM (0)
+#endif
+
+/* Overridden by @apache-mynewt-core/hw/bsp/nordic_pca10056 (defined by @apache-mynewt-core/hw/mcu/nordic/nrf52xxx) */
+#ifndef MYNEWT_VAL_MCU_DCDC_ENABLED
+#define MYNEWT_VAL_MCU_DCDC_ENABLED (1)
+#endif
+
+#ifndef MYNEWT_VAL_MCU_DEBUG_IGNORE_BKPT
+#define MYNEWT_VAL_MCU_DEBUG_IGNORE_BKPT (0)
+#endif
+
+#ifndef MYNEWT_VAL_MCU_FLASH_MIN_WRITE_SIZE
+#define MYNEWT_VAL_MCU_FLASH_MIN_WRITE_SIZE (1)
+#endif
+
+#ifndef MYNEWT_VAL_MCU_GPIO_USE_PORT_EVENT
+#define MYNEWT_VAL_MCU_GPIO_USE_PORT_EVENT (0)
+#endif
+
+#ifndef MYNEWT_VAL_MCU_I2C_RECOVERY_DELAY_USEC
+#define MYNEWT_VAL_MCU_I2C_RECOVERY_DELAY_USEC (100)
+#endif
+
+/* Overridden by @apache-mynewt-core/hw/bsp/nordic_pca10056 (defined by @apache-mynewt-core/hw/mcu/nordic/nrf52xxx) */
+#ifndef MYNEWT_VAL_MCU_LFCLK_SOURCE__LFRC
+#define MYNEWT_VAL_MCU_LFCLK_SOURCE__LFRC (0)
+#endif
+#ifndef MYNEWT_VAL_MCU_LFCLK_SOURCE__LFSYNTH
+#define MYNEWT_VAL_MCU_LFCLK_SOURCE__LFSYNTH (0)
+#endif
+#ifndef MYNEWT_VAL_MCU_LFCLK_SOURCE__LFXO
+#define MYNEWT_VAL_MCU_LFCLK_SOURCE__LFXO (1)
+#endif
+#ifndef MYNEWT_VAL_MCU_LFCLK_SOURCE
+#define MYNEWT_VAL_MCU_LFCLK_SOURCE (1)
+#endif
+
+#ifndef MYNEWT_VAL_MCU_NRF52832
+#define MYNEWT_VAL_MCU_NRF52832 (0)
+#endif
+
+#ifndef MYNEWT_VAL_MCU_NRF52840
+#define MYNEWT_VAL_MCU_NRF52840 (0)
+#endif
+
+/* Overridden by @apache-mynewt-core/hw/bsp/nordic_pca10056 (defined by @apache-mynewt-core/hw/mcu/nordic/nrf52xxx) */
+#ifndef MYNEWT_VAL_MCU_TARGET__nRF52810
+#define MYNEWT_VAL_MCU_TARGET__nRF52810 (0)
+#endif
+#ifndef MYNEWT_VAL_MCU_TARGET__nRF52811
+#define MYNEWT_VAL_MCU_TARGET__nRF52811 (0)
+#endif
+#ifndef MYNEWT_VAL_MCU_TARGET__nRF52832
+#define MYNEWT_VAL_MCU_TARGET__nRF52832 (0)
+#endif
+#ifndef MYNEWT_VAL_MCU_TARGET__nRF52840
+#define MYNEWT_VAL_MCU_TARGET__nRF52840 (1)
+#endif
+#ifndef MYNEWT_VAL_MCU_TARGET
+#define MYNEWT_VAL_MCU_TARGET (1)
+#endif
+
+#ifndef MYNEWT_VAL_NFC_PINS_AS_GPIO
+#define MYNEWT_VAL_NFC_PINS_AS_GPIO (1)
+#endif
+
+#ifndef MYNEWT_VAL_PWM_0
+#define MYNEWT_VAL_PWM_0 (0)
+#endif
+
+#ifndef MYNEWT_VAL_PWM_1
+#define MYNEWT_VAL_PWM_1 (0)
+#endif
+
+#ifndef MYNEWT_VAL_PWM_2
+#define MYNEWT_VAL_PWM_2 (0)
+#endif
+
+#ifndef MYNEWT_VAL_PWM_3
+#define MYNEWT_VAL_PWM_3 (0)
+#endif
+
+#ifndef MYNEWT_VAL_QSPI_ADDRMODE
+#define MYNEWT_VAL_QSPI_ADDRMODE (0)
+#endif
+
+#ifndef MYNEWT_VAL_QSPI_DPMCONFIG
+#define MYNEWT_VAL_QSPI_DPMCONFIG (0)
+#endif
+
+#ifndef MYNEWT_VAL_QSPI_ENABLE
+#define MYNEWT_VAL_QSPI_ENABLE (0)
+#endif
+
+/* Overridden by @apache-mynewt-core/hw/bsp/nordic_pca10056 (defined by @apache-mynewt-core/hw/mcu/nordic/nrf52xxx) */
+#ifndef MYNEWT_VAL_QSPI_FLASH_PAGE_SIZE
+#define MYNEWT_VAL_QSPI_FLASH_PAGE_SIZE (256)
+#endif
+
+/* Overridden by @apache-mynewt-core/hw/bsp/nordic_pca10056 (defined by @apache-mynewt-core/hw/mcu/nordic/nrf52xxx) */
+#ifndef MYNEWT_VAL_QSPI_FLASH_SECTOR_COUNT
+#define MYNEWT_VAL_QSPI_FLASH_SECTOR_COUNT (4096)
+#endif
+
+/* Overridden by @apache-mynewt-core/hw/bsp/nordic_pca10056 (defined by @apache-mynewt-core/hw/mcu/nordic/nrf52xxx) */
+#ifndef MYNEWT_VAL_QSPI_FLASH_SECTOR_SIZE
+#define MYNEWT_VAL_QSPI_FLASH_SECTOR_SIZE (4096)
+#endif
+
+/* Overridden by @apache-mynewt-core/hw/bsp/nordic_pca10056 (defined by @apache-mynewt-core/hw/mcu/nordic/nrf52xxx) */
+#ifndef MYNEWT_VAL_QSPI_PIN_CS
+#define MYNEWT_VAL_QSPI_PIN_CS (17)
+#endif
+
+/* Overridden by @apache-mynewt-core/hw/bsp/nordic_pca10056 (defined by @apache-mynewt-core/hw/mcu/nordic/nrf52xxx) */
+#ifndef MYNEWT_VAL_QSPI_PIN_DIO0
+#define MYNEWT_VAL_QSPI_PIN_DIO0 (20)
+#endif
+
+/* Overridden by @apache-mynewt-core/hw/bsp/nordic_pca10056 (defined by @apache-mynewt-core/hw/mcu/nordic/nrf52xxx) */
+#ifndef MYNEWT_VAL_QSPI_PIN_DIO1
+#define MYNEWT_VAL_QSPI_PIN_DIO1 (21)
+#endif
+
+/* Overridden by @apache-mynewt-core/hw/bsp/nordic_pca10056 (defined by @apache-mynewt-core/hw/mcu/nordic/nrf52xxx) */
+#ifndef MYNEWT_VAL_QSPI_PIN_DIO2
+#define MYNEWT_VAL_QSPI_PIN_DIO2 (22)
+#endif
+
+/* Overridden by @apache-mynewt-core/hw/bsp/nordic_pca10056 (defined by @apache-mynewt-core/hw/mcu/nordic/nrf52xxx) */
+#ifndef MYNEWT_VAL_QSPI_PIN_DIO3
+#define MYNEWT_VAL_QSPI_PIN_DIO3 (23)
+#endif
+
+/* Overridden by @apache-mynewt-core/hw/bsp/nordic_pca10056 (defined by @apache-mynewt-core/hw/mcu/nordic/nrf52xxx) */
+#ifndef MYNEWT_VAL_QSPI_PIN_SCK
+#define MYNEWT_VAL_QSPI_PIN_SCK (19)
+#endif
+
+#ifndef MYNEWT_VAL_QSPI_READOC
+#define MYNEWT_VAL_QSPI_READOC (0)
+#endif
+
+#ifndef MYNEWT_VAL_QSPI_SCK_DELAY
+#define MYNEWT_VAL_QSPI_SCK_DELAY (0)
+#endif
+
+#ifndef MYNEWT_VAL_QSPI_SCK_FREQ
+#define MYNEWT_VAL_QSPI_SCK_FREQ (0)
+#endif
+
+#ifndef MYNEWT_VAL_QSPI_SPI_MODE
+#define MYNEWT_VAL_QSPI_SPI_MODE (0)
+#endif
+
+#ifndef MYNEWT_VAL_QSPI_WRITEOC
+#define MYNEWT_VAL_QSPI_WRITEOC (0)
+#endif
+
+#ifndef MYNEWT_VAL_SPI_0_MASTER
+#define MYNEWT_VAL_SPI_0_MASTER (0)
+#endif
+
+/* Overridden by @apache-mynewt-core/hw/bsp/nordic_pca10056 (defined by @apache-mynewt-core/hw/mcu/nordic/nrf52xxx) */
+#ifndef MYNEWT_VAL_SPI_0_MASTER_PIN_MISO
+#define MYNEWT_VAL_SPI_0_MASTER_PIN_MISO (47)
+#endif
+
+/* Overridden by @apache-mynewt-core/hw/bsp/nordic_pca10056 (defined by @apache-mynewt-core/hw/mcu/nordic/nrf52xxx) */
+#ifndef MYNEWT_VAL_SPI_0_MASTER_PIN_MOSI
+#define MYNEWT_VAL_SPI_0_MASTER_PIN_MOSI (46)
+#endif
+
+/* Overridden by @apache-mynewt-core/hw/bsp/nordic_pca10056 (defined by @apache-mynewt-core/hw/mcu/nordic/nrf52xxx) */
+#ifndef MYNEWT_VAL_SPI_0_MASTER_PIN_SCK
+#define MYNEWT_VAL_SPI_0_MASTER_PIN_SCK (45)
+#endif
+
+#ifndef MYNEWT_VAL_SPI_0_SLAVE
+#define MYNEWT_VAL_SPI_0_SLAVE (0)
+#endif
+
+/* Overridden by @apache-mynewt-core/hw/bsp/nordic_pca10056 (defined by @apache-mynewt-core/hw/mcu/nordic/nrf52xxx) */
+#ifndef MYNEWT_VAL_SPI_0_SLAVE_PIN_MISO
+#define MYNEWT_VAL_SPI_0_SLAVE_PIN_MISO (47)
+#endif
+
+/* Overridden by @apache-mynewt-core/hw/bsp/nordic_pca10056 (defined by @apache-mynewt-core/hw/mcu/nordic/nrf52xxx) */
+#ifndef MYNEWT_VAL_SPI_0_SLAVE_PIN_MOSI
+#define MYNEWT_VAL_SPI_0_SLAVE_PIN_MOSI (46)
+#endif
+
+/* Overridden by @apache-mynewt-core/hw/bsp/nordic_pca10056 (defined by @apache-mynewt-core/hw/mcu/nordic/nrf52xxx) */
+#ifndef MYNEWT_VAL_SPI_0_SLAVE_PIN_SCK
+#define MYNEWT_VAL_SPI_0_SLAVE_PIN_SCK (45)
+#endif
+
+/* Overridden by @apache-mynewt-core/hw/bsp/nordic_pca10056 (defined by @apache-mynewt-core/hw/mcu/nordic/nrf52xxx) */
+#ifndef MYNEWT_VAL_SPI_0_SLAVE_PIN_SS
+#define MYNEWT_VAL_SPI_0_SLAVE_PIN_SS (44)
+#endif
+
+#ifndef MYNEWT_VAL_SPI_1_MASTER
+#define MYNEWT_VAL_SPI_1_MASTER (0)
+#endif
+
+#undef MYNEWT_VAL_SPI_1_MASTER_PIN_MISO
+
+#undef MYNEWT_VAL_SPI_1_MASTER_PIN_MOSI
+
+#undef MYNEWT_VAL_SPI_1_MASTER_PIN_SCK
+
+#ifndef MYNEWT_VAL_SPI_1_SLAVE
+#define MYNEWT_VAL_SPI_1_SLAVE (0)
+#endif
+
+#undef MYNEWT_VAL_SPI_1_SLAVE_PIN_MISO
+
+#undef MYNEWT_VAL_SPI_1_SLAVE_PIN_MOSI
+
+#undef MYNEWT_VAL_SPI_1_SLAVE_PIN_SCK
+
+#undef MYNEWT_VAL_SPI_1_SLAVE_PIN_SS
+
+#ifndef MYNEWT_VAL_SPI_2_MASTER
+#define MYNEWT_VAL_SPI_2_MASTER (0)
+#endif
+
+#undef MYNEWT_VAL_SPI_2_MASTER_PIN_MISO
+
+#undef MYNEWT_VAL_SPI_2_MASTER_PIN_MOSI
+
+#undef MYNEWT_VAL_SPI_2_MASTER_PIN_SCK
+
+#ifndef MYNEWT_VAL_SPI_2_SLAVE
+#define MYNEWT_VAL_SPI_2_SLAVE (0)
+#endif
+
+#undef MYNEWT_VAL_SPI_2_SLAVE_PIN_MISO
+
+#undef MYNEWT_VAL_SPI_2_SLAVE_PIN_MOSI
+
+#undef MYNEWT_VAL_SPI_2_SLAVE_PIN_SCK
+
+#undef MYNEWT_VAL_SPI_2_SLAVE_PIN_SS
+
+#ifndef MYNEWT_VAL_SPI_3_MASTER
+#define MYNEWT_VAL_SPI_3_MASTER (0)
+#endif
+
+#undef MYNEWT_VAL_SPI_3_MASTER_PIN_MISO
+
+#undef MYNEWT_VAL_SPI_3_MASTER_PIN_MOSI
+
+#undef MYNEWT_VAL_SPI_3_MASTER_PIN_SCK
+
+/* Overridden by @apache-mynewt-core/hw/bsp/nordic_pca10056 (defined by @apache-mynewt-core/hw/mcu/nordic/nrf52xxx) */
+#ifndef MYNEWT_VAL_TIMER_0
+#define MYNEWT_VAL_TIMER_0 (0)
+#endif
+
+#ifndef MYNEWT_VAL_TIMER_1
+#define MYNEWT_VAL_TIMER_1 (0)
+#endif
+
+#ifndef MYNEWT_VAL_TIMER_2
+#define MYNEWT_VAL_TIMER_2 (0)
+#endif
+
+#ifndef MYNEWT_VAL_TIMER_3
+#define MYNEWT_VAL_TIMER_3 (0)
+#endif
+
+#ifndef MYNEWT_VAL_TIMER_4
+#define MYNEWT_VAL_TIMER_4 (0)
+#endif
+
+/* Overridden by @apache-mynewt-core/hw/bsp/nordic_pca10056 (defined by @apache-mynewt-core/hw/mcu/nordic/nrf52xxx) */
+#ifndef MYNEWT_VAL_TIMER_5
+#define MYNEWT_VAL_TIMER_5 (1)
+#endif
+
+#ifndef MYNEWT_VAL_TRNG
+#define MYNEWT_VAL_TRNG (0)
+#endif
+
+#ifndef MYNEWT_VAL_UART_0
+#define MYNEWT_VAL_UART_0 (1)
+#endif
+
+/* Overridden by @apache-mynewt-core/hw/bsp/nordic_pca10056 (defined by @apache-mynewt-core/hw/mcu/nordic/nrf52xxx) */
+#ifndef MYNEWT_VAL_UART_0_PIN_CTS
+#define MYNEWT_VAL_UART_0_PIN_CTS (7)
+#endif
+
+/* Overridden by @apache-mynewt-core/hw/bsp/nordic_pca10056 (defined by @apache-mynewt-core/hw/mcu/nordic/nrf52xxx) */
+#ifndef MYNEWT_VAL_UART_0_PIN_RTS
+#define MYNEWT_VAL_UART_0_PIN_RTS (5)
+#endif
+
+/* Overridden by @apache-mynewt-core/hw/bsp/nordic_pca10056 (defined by @apache-mynewt-core/hw/mcu/nordic/nrf52xxx) */
+#ifndef MYNEWT_VAL_UART_0_PIN_RX
+#define MYNEWT_VAL_UART_0_PIN_RX (8)
+#endif
+
+/* Overridden by @apache-mynewt-core/hw/bsp/nordic_pca10056 (defined by @apache-mynewt-core/hw/mcu/nordic/nrf52xxx) */
+#ifndef MYNEWT_VAL_UART_0_PIN_TX
+#define MYNEWT_VAL_UART_0_PIN_TX (6)
+#endif
+
+#ifndef MYNEWT_VAL_UART_1
+#define MYNEWT_VAL_UART_1 (0)
+#endif
+
+#ifndef MYNEWT_VAL_UART_1_PIN_CTS
+#define MYNEWT_VAL_UART_1_PIN_CTS (-1)
+#endif
+
+#ifndef MYNEWT_VAL_UART_1_PIN_RTS
+#define MYNEWT_VAL_UART_1_PIN_RTS (-1)
+#endif
+
+#undef MYNEWT_VAL_UART_1_PIN_RX
+
+#undef MYNEWT_VAL_UART_1_PIN_TX
+
+/* Overridden by @apache-mynewt-nimble/targets/riot (defined by @apache-mynewt-core/hw/mcu/nordic/nrf52xxx) */
+#ifndef MYNEWT_VAL_XTAL_32768
+#define MYNEWT_VAL_XTAL_32768 (1)
+#endif
+
+#ifndef MYNEWT_VAL_XTAL_32768_SYNTH
+#define MYNEWT_VAL_XTAL_32768_SYNTH (0)
+#endif
+
+#ifndef MYNEWT_VAL_XTAL_RC
+#define MYNEWT_VAL_XTAL_RC (0)
+#endif
+
+/*** @apache-mynewt-core/kernel/os */
+#ifndef MYNEWT_VAL_FLOAT_USER
+#define MYNEWT_VAL_FLOAT_USER (0)
+#endif
+
+/* Overridden by @apache-mynewt-nimble/targets/riot (defined by @apache-mynewt-core/kernel/os) */
+#ifndef MYNEWT_VAL_MSYS_1_BLOCK_COUNT
+#define MYNEWT_VAL_MSYS_1_BLOCK_COUNT (5)
+#endif
+
+/* Overridden by @apache-mynewt-nimble/targets/riot (defined by @apache-mynewt-core/kernel/os) */
+#ifndef MYNEWT_VAL_MSYS_1_BLOCK_SIZE
+#define MYNEWT_VAL_MSYS_1_BLOCK_SIZE (88)
+#endif
+
+#ifndef MYNEWT_VAL_MSYS_1_SANITY_MIN_COUNT
+#define MYNEWT_VAL_MSYS_1_SANITY_MIN_COUNT (0)
+#endif
+
+#ifndef MYNEWT_VAL_MSYS_2_BLOCK_COUNT
+#define MYNEWT_VAL_MSYS_2_BLOCK_COUNT (0)
+#endif
+
+#ifndef MYNEWT_VAL_MSYS_2_BLOCK_SIZE
+#define MYNEWT_VAL_MSYS_2_BLOCK_SIZE (0)
+#endif
+
+#ifndef MYNEWT_VAL_MSYS_2_SANITY_MIN_COUNT
+#define MYNEWT_VAL_MSYS_2_SANITY_MIN_COUNT (0)
+#endif
+
+#ifndef MYNEWT_VAL_MSYS_SANITY_TIMEOUT
+#define MYNEWT_VAL_MSYS_SANITY_TIMEOUT (60000)
+#endif
+
+#ifndef MYNEWT_VAL_OS_ASSERT_CB
+#define MYNEWT_VAL_OS_ASSERT_CB (0)
+#endif
+
+#ifndef MYNEWT_VAL_OS_CLI
+#define MYNEWT_VAL_OS_CLI (0)
+#endif
+
+#ifndef MYNEWT_VAL_OS_COREDUMP
+#define MYNEWT_VAL_OS_COREDUMP (0)
+#endif
+
+/* Overridden by @apache-mynewt-core/hw/bsp/nordic_pca10056 (defined by @apache-mynewt-core/kernel/os) */
+#ifndef MYNEWT_VAL_OS_CPUTIME_FREQ
+#define MYNEWT_VAL_OS_CPUTIME_FREQ (32768)
+#endif
+
+/* Overridden by @apache-mynewt-core/hw/bsp/nordic_pca10056 (defined by @apache-mynewt-core/kernel/os) */
+#ifndef MYNEWT_VAL_OS_CPUTIME_TIMER_NUM
+#define MYNEWT_VAL_OS_CPUTIME_TIMER_NUM (5)
+#endif
+
+#ifndef MYNEWT_VAL_OS_CRASH_FILE_LINE
+#define MYNEWT_VAL_OS_CRASH_FILE_LINE (0)
+#endif
+
+#ifndef MYNEWT_VAL_OS_CRASH_LOG
+#define MYNEWT_VAL_OS_CRASH_LOG (0)
+#endif
+
+#ifndef MYNEWT_VAL_OS_CRASH_RESTORE_REGS
+#define MYNEWT_VAL_OS_CRASH_RESTORE_REGS (0)
+#endif
+
+#ifndef MYNEWT_VAL_OS_CRASH_STACKTRACE
+#define MYNEWT_VAL_OS_CRASH_STACKTRACE (0)
+#endif
+
+#ifndef MYNEWT_VAL_OS_CTX_SW_STACK_CHECK
+#define MYNEWT_VAL_OS_CTX_SW_STACK_CHECK (0)
+#endif
+
+#ifndef MYNEWT_VAL_OS_CTX_SW_STACK_GUARD
+#define MYNEWT_VAL_OS_CTX_SW_STACK_GUARD (4)
+#endif
+
+#ifndef MYNEWT_VAL_OS_DEBUG_MODE
+#define MYNEWT_VAL_OS_DEBUG_MODE (0)
+#endif
+
+#ifndef MYNEWT_VAL_OS_EVENTQ_DEBUG
+#define MYNEWT_VAL_OS_EVENTQ_DEBUG (0)
+#endif
+
+#ifndef MYNEWT_VAL_OS_EVENTQ_MONITOR
+#define MYNEWT_VAL_OS_EVENTQ_MONITOR (0)
+#endif
+
+#ifndef MYNEWT_VAL_OS_IDLE_TICKLESS_MS_MAX
+#define MYNEWT_VAL_OS_IDLE_TICKLESS_MS_MAX (600000)
+#endif
+
+#ifndef MYNEWT_VAL_OS_IDLE_TICKLESS_MS_MIN
+#define MYNEWT_VAL_OS_IDLE_TICKLESS_MS_MIN (100)
+#endif
+
+#ifndef MYNEWT_VAL_OS_MAIN_STACK_SIZE
+#define MYNEWT_VAL_OS_MAIN_STACK_SIZE (1024)
+#endif
+
+#ifndef MYNEWT_VAL_OS_MAIN_TASK_PRIO
+#define MYNEWT_VAL_OS_MAIN_TASK_PRIO (127)
+#endif
+
+#ifndef MYNEWT_VAL_OS_MAIN_TASK_SANITY_ITVL_MS
+#define MYNEWT_VAL_OS_MAIN_TASK_SANITY_ITVL_MS (0)
+#endif
+
+#ifndef MYNEWT_VAL_OS_MEMPOOL_CHECK
+#define MYNEWT_VAL_OS_MEMPOOL_CHECK (0)
+#endif
+
+#ifndef MYNEWT_VAL_OS_MEMPOOL_GUARD
+#define MYNEWT_VAL_OS_MEMPOOL_GUARD (0)
+#endif
+
+#ifndef MYNEWT_VAL_OS_MEMPOOL_POISON
+#define MYNEWT_VAL_OS_MEMPOOL_POISON (0)
+#endif
+
+#ifndef MYNEWT_VAL_OS_SCHEDULING
+#define MYNEWT_VAL_OS_SCHEDULING (1)
+#endif
+
+#ifndef MYNEWT_VAL_OS_SYSINIT_STAGE
+#define MYNEWT_VAL_OS_SYSINIT_STAGE (0)
+#endif
+
+#ifndef MYNEWT_VAL_OS_SYSVIEW
+#define MYNEWT_VAL_OS_SYSVIEW (0)
+#endif
+
+#ifndef MYNEWT_VAL_OS_SYSVIEW_TRACE_CALLOUT
+#define MYNEWT_VAL_OS_SYSVIEW_TRACE_CALLOUT (1)
+#endif
+
+#ifndef MYNEWT_VAL_OS_SYSVIEW_TRACE_EVENTQ
+#define MYNEWT_VAL_OS_SYSVIEW_TRACE_EVENTQ (1)
+#endif
+
+#ifndef MYNEWT_VAL_OS_SYSVIEW_TRACE_MBUF
+#define MYNEWT_VAL_OS_SYSVIEW_TRACE_MBUF (0)
+#endif
+
+#ifndef MYNEWT_VAL_OS_SYSVIEW_TRACE_MEMPOOL
+#define MYNEWT_VAL_OS_SYSVIEW_TRACE_MEMPOOL (0)
+#endif
+
+#ifndef MYNEWT_VAL_OS_SYSVIEW_TRACE_MUTEX
+#define MYNEWT_VAL_OS_SYSVIEW_TRACE_MUTEX (1)
+#endif
+
+#ifndef MYNEWT_VAL_OS_SYSVIEW_TRACE_SEM
+#define MYNEWT_VAL_OS_SYSVIEW_TRACE_SEM (1)
+#endif
+
+#ifndef MYNEWT_VAL_OS_TASK_RUN_TIME_CPUTIME
+#define MYNEWT_VAL_OS_TASK_RUN_TIME_CPUTIME (0)
+#endif
+
+#ifndef MYNEWT_VAL_OS_TIME_DEBUG
+#define MYNEWT_VAL_OS_TIME_DEBUG (0)
+#endif
+
+#ifndef MYNEWT_VAL_OS_WATCHDOG_MONITOR
+#define MYNEWT_VAL_OS_WATCHDOG_MONITOR (0)
+#endif
+
+#ifndef MYNEWT_VAL_SANITY_INTERVAL
+#define MYNEWT_VAL_SANITY_INTERVAL (15000)
+#endif
+
+#ifndef MYNEWT_VAL_WATCHDOG_INTERVAL
+#define MYNEWT_VAL_WATCHDOG_INTERVAL (30000)
+#endif
+
+/*** @apache-mynewt-core/libc/baselibc */
+#ifndef MYNEWT_VAL_BASELIBC_ASSERT_FILE_LINE
+#define MYNEWT_VAL_BASELIBC_ASSERT_FILE_LINE (0)
+#endif
+
+#ifndef MYNEWT_VAL_BASELIBC_PRESENT
+#define MYNEWT_VAL_BASELIBC_PRESENT (1)
+#endif
+
+/*** @apache-mynewt-core/sys/console/stub */
+#ifndef MYNEWT_VAL_CONSOLE_UART_BAUD
+#define MYNEWT_VAL_CONSOLE_UART_BAUD (115200)
+#endif
+
+#ifndef MYNEWT_VAL_CONSOLE_UART_DEV
+#define MYNEWT_VAL_CONSOLE_UART_DEV ("uart0")
+#endif
+
+#ifndef MYNEWT_VAL_CONSOLE_UART_FLOW_CONTROL
+#define MYNEWT_VAL_CONSOLE_UART_FLOW_CONTROL (UART_FLOW_CTL_NONE)
+#endif
+
+/*** @apache-mynewt-core/sys/flash_map */
+#ifndef MYNEWT_VAL_FLASH_MAP_MAX_AREAS
+#define MYNEWT_VAL_FLASH_MAP_MAX_AREAS (10)
+#endif
+
+#ifndef MYNEWT_VAL_FLASH_MAP_SYSINIT_STAGE
+#define MYNEWT_VAL_FLASH_MAP_SYSINIT_STAGE (2)
+#endif
+
+/*** @apache-mynewt-core/sys/log/common */
+#ifndef MYNEWT_VAL_DFLT_LOG_LVL
+#define MYNEWT_VAL_DFLT_LOG_LVL (1)
+#endif
+
+#ifndef MYNEWT_VAL_DFLT_LOG_MOD
+#define MYNEWT_VAL_DFLT_LOG_MOD (0)
+#endif
+
+#ifndef MYNEWT_VAL_LOG_GLOBAL_IDX
+#define MYNEWT_VAL_LOG_GLOBAL_IDX (1)
+#endif
+
+/*** @apache-mynewt-core/sys/log/modlog */
+#ifndef MYNEWT_VAL_MODLOG_CONSOLE_DFLT
+#define MYNEWT_VAL_MODLOG_CONSOLE_DFLT (1)
+#endif
+
+#ifndef MYNEWT_VAL_MODLOG_LOG_MACROS
+#define MYNEWT_VAL_MODLOG_LOG_MACROS (0)
+#endif
+
+#ifndef MYNEWT_VAL_MODLOG_MAX_MAPPINGS
+#define MYNEWT_VAL_MODLOG_MAX_MAPPINGS (16)
+#endif
+
+#ifndef MYNEWT_VAL_MODLOG_MAX_PRINTF_LEN
+#define MYNEWT_VAL_MODLOG_MAX_PRINTF_LEN (128)
+#endif
+
+#ifndef MYNEWT_VAL_MODLOG_SYSINIT_STAGE
+#define MYNEWT_VAL_MODLOG_SYSINIT_STAGE (100)
+#endif
+
+/*** @apache-mynewt-core/sys/log/stub */
+#ifndef MYNEWT_VAL_LOG_CONSOLE
+#define MYNEWT_VAL_LOG_CONSOLE (1)
+#endif
+
+#ifndef MYNEWT_VAL_LOG_FCB
+#define MYNEWT_VAL_LOG_FCB (0)
+#endif
+
+#ifndef MYNEWT_VAL_LOG_FCB_SLOT1
+#define MYNEWT_VAL_LOG_FCB_SLOT1 (0)
+#endif
+
+#ifndef MYNEWT_VAL_LOG_LEVEL
+#define MYNEWT_VAL_LOG_LEVEL (255)
+#endif
+
+/*** @apache-mynewt-core/sys/mfg */
+#ifndef MYNEWT_VAL_MFG_LOG_LVL
+#define MYNEWT_VAL_MFG_LOG_LVL (15)
+#endif
+
+#ifndef MYNEWT_VAL_MFG_LOG_MODULE
+#define MYNEWT_VAL_MFG_LOG_MODULE (128)
+#endif
+
+#ifndef MYNEWT_VAL_MFG_MAX_MMRS
+#define MYNEWT_VAL_MFG_MAX_MMRS (2)
+#endif
+
+#ifndef MYNEWT_VAL_MFG_SYSINIT_STAGE
+#define MYNEWT_VAL_MFG_SYSINIT_STAGE (100)
+#endif
+
+/*** @apache-mynewt-core/sys/sys */
+#ifndef MYNEWT_VAL_DEBUG_PANIC_ENABLED
+#define MYNEWT_VAL_DEBUG_PANIC_ENABLED (1)
+#endif
+
+/*** @apache-mynewt-core/sys/sysdown */
+#ifndef MYNEWT_VAL_SYSDOWN_CONSTRAIN_DOWN
+#define MYNEWT_VAL_SYSDOWN_CONSTRAIN_DOWN (1)
+#endif
+
+#ifndef MYNEWT_VAL_SYSDOWN_PANIC_FILE_LINE
+#define MYNEWT_VAL_SYSDOWN_PANIC_FILE_LINE (0)
+#endif
+
+#ifndef MYNEWT_VAL_SYSDOWN_PANIC_MESSAGE
+#define MYNEWT_VAL_SYSDOWN_PANIC_MESSAGE (0)
+#endif
+
+#ifndef MYNEWT_VAL_SYSDOWN_TIMEOUT_MS
+#define MYNEWT_VAL_SYSDOWN_TIMEOUT_MS (10000)
+#endif
+
+/*** @apache-mynewt-core/sys/sysinit */
+#ifndef MYNEWT_VAL_SYSINIT_CONSTRAIN_INIT
+#define MYNEWT_VAL_SYSINIT_CONSTRAIN_INIT (1)
+#endif
+
+#ifndef MYNEWT_VAL_SYSINIT_PANIC_FILE_LINE
+#define MYNEWT_VAL_SYSINIT_PANIC_FILE_LINE (0)
+#endif
+
+#ifndef MYNEWT_VAL_SYSINIT_PANIC_MESSAGE
+#define MYNEWT_VAL_SYSINIT_PANIC_MESSAGE (0)
+#endif
+
+/*** @apache-mynewt-core/util/rwlock */
+#ifndef MYNEWT_VAL_RWLOCK_DEBUG
+#define MYNEWT_VAL_RWLOCK_DEBUG (0)
+#endif
+
+/*** @apache-mynewt-nimble/nimble */
+#ifndef MYNEWT_VAL_BLE_EXT_ADV
+#define MYNEWT_VAL_BLE_EXT_ADV (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_EXT_ADV_MAX_SIZE
+#define MYNEWT_VAL_BLE_EXT_ADV_MAX_SIZE (31)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_MAX_CONNECTIONS
+#define MYNEWT_VAL_BLE_MAX_CONNECTIONS (1)
+#endif
+
+/* Overridden by @apache-mynewt-nimble/targets/riot (defined by @apache-mynewt-nimble/nimble) */
+#ifndef MYNEWT_VAL_BLE_MAX_PERIODIC_SYNCS
+#define MYNEWT_VAL_BLE_MAX_PERIODIC_SYNCS (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_MULTI_ADV_INSTANCES
+#define MYNEWT_VAL_BLE_MULTI_ADV_INSTANCES (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_PERIODIC_ADV
+#define MYNEWT_VAL_BLE_PERIODIC_ADV (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_PERIODIC_ADV_SYNC_TRANSFER
+#define MYNEWT_VAL_BLE_PERIODIC_ADV_SYNC_TRANSFER (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_ROLE_BROADCASTER
+#define MYNEWT_VAL_BLE_ROLE_BROADCASTER (1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_ROLE_CENTRAL
+#define MYNEWT_VAL_BLE_ROLE_CENTRAL (1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_ROLE_OBSERVER
+#define MYNEWT_VAL_BLE_ROLE_OBSERVER (1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_ROLE_PERIPHERAL
+#define MYNEWT_VAL_BLE_ROLE_PERIPHERAL (1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_VERSION
+#define MYNEWT_VAL_BLE_VERSION (50)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_WHITELIST
+#define MYNEWT_VAL_BLE_WHITELIST (1)
+#endif
+
+/*** @apache-mynewt-nimble/nimble/controller */
+#ifndef MYNEWT_VAL_BLE_CONTROLLER
+#define MYNEWT_VAL_BLE_CONTROLLER (1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_DEVICE
+#define MYNEWT_VAL_BLE_DEVICE (1)
+#endif
+
+/* Overridden by @apache-mynewt-nimble/targets/riot (defined by @apache-mynewt-nimble/nimble/controller) */
+#ifndef MYNEWT_VAL_BLE_HW_WHITELIST_ENABLE
+#define MYNEWT_VAL_BLE_HW_WHITELIST_ENABLE (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_LL_ADD_STRICT_SCHED_PERIODS
+#define MYNEWT_VAL_BLE_LL_ADD_STRICT_SCHED_PERIODS (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_LL_CFG_FEAT_CONN_PARAM_REQ
+#define MYNEWT_VAL_BLE_LL_CFG_FEAT_CONN_PARAM_REQ (1)
+#endif
+
+/* Overridden by @apache-mynewt-nimble/targets/riot (defined by @apache-mynewt-nimble/nimble/controller) */
+#ifndef MYNEWT_VAL_BLE_LL_CFG_FEAT_DATA_LEN_EXT
+#define MYNEWT_VAL_BLE_LL_CFG_FEAT_DATA_LEN_EXT (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_LL_CFG_FEAT_LE_2M_PHY
+#define MYNEWT_VAL_BLE_LL_CFG_FEAT_LE_2M_PHY (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_LL_CFG_FEAT_LE_CODED_PHY
+#define MYNEWT_VAL_BLE_LL_CFG_FEAT_LE_CODED_PHY (0)
+#endif
+
+/* Overridden by @apache-mynewt-nimble/targets/riot (defined by @apache-mynewt-nimble/nimble/controller) */
+#ifndef MYNEWT_VAL_BLE_LL_CFG_FEAT_LE_CSA2
+#define MYNEWT_VAL_BLE_LL_CFG_FEAT_LE_CSA2 (1)
+#endif
+
+/* Overridden by @apache-mynewt-nimble/targets/riot (defined by @apache-mynewt-nimble/nimble/controller) */
+#ifndef MYNEWT_VAL_BLE_LL_CFG_FEAT_LE_ENCRYPTION
+#define MYNEWT_VAL_BLE_LL_CFG_FEAT_LE_ENCRYPTION (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_LL_CFG_FEAT_LE_PING
+#define MYNEWT_VAL_BLE_LL_CFG_FEAT_LE_PING (MYNEWT_VAL_BLE_LL_CFG_FEAT_LE_ENCRYPTION)
+#endif
+
+/* Value copied from BLE_EXT_ADV */
+#ifndef MYNEWT_VAL_BLE_LL_CFG_FEAT_LL_EXT_ADV
+#define MYNEWT_VAL_BLE_LL_CFG_FEAT_LL_EXT_ADV (0)
+#endif
+
+/* Value copied from BLE_PERIODIC_ADV */
+#ifndef MYNEWT_VAL_BLE_LL_CFG_FEAT_LL_PERIODIC_ADV
+#define MYNEWT_VAL_BLE_LL_CFG_FEAT_LL_PERIODIC_ADV (0)
+#endif
+
+/* Value copied from BLE_MAX_PERIODIC_SYNCS */
+#ifndef MYNEWT_VAL_BLE_LL_CFG_FEAT_LL_PERIODIC_ADV_SYNC_CNT
+#define MYNEWT_VAL_BLE_LL_CFG_FEAT_LL_PERIODIC_ADV_SYNC_CNT (0)
+#endif
+
+/* Value copied from BLE_MAX_PERIODIC_SYNCS */
+#ifndef MYNEWT_VAL_BLE_LL_CFG_FEAT_LL_PERIODIC_ADV_SYNC_LIST_CNT
+#define MYNEWT_VAL_BLE_LL_CFG_FEAT_LL_PERIODIC_ADV_SYNC_LIST_CNT (0)
+#endif
+
+/* Value copied from BLE_PERIODIC_ADV_SYNC_TRANSFER */
+#ifndef MYNEWT_VAL_BLE_LL_CFG_FEAT_LL_PERIODIC_ADV_SYNC_TRANSFER
+#define MYNEWT_VAL_BLE_LL_CFG_FEAT_LL_PERIODIC_ADV_SYNC_TRANSFER (0)
+#endif
+
+/* Overridden by @apache-mynewt-nimble/targets/riot (defined by @apache-mynewt-nimble/nimble/controller) */
+#ifndef MYNEWT_VAL_BLE_LL_CFG_FEAT_LL_PRIVACY
+#define MYNEWT_VAL_BLE_LL_CFG_FEAT_LL_PRIVACY (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_LL_CFG_FEAT_SLAVE_INIT_FEAT_XCHG
+#define MYNEWT_VAL_BLE_LL_CFG_FEAT_SLAVE_INIT_FEAT_XCHG (1)
+#endif
+
+/* Overridden by @apache-mynewt-nimble/targets/riot (defined by @apache-mynewt-nimble/nimble/controller) */
+#ifndef MYNEWT_VAL_BLE_LL_CONN_INIT_MAX_TX_BYTES
+#define MYNEWT_VAL_BLE_LL_CONN_INIT_MAX_TX_BYTES (MYNEWT_VAL_BLE_LL_MAX_PKT_SIZE)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_LL_CONN_INIT_MIN_WIN_OFFSET
+#define MYNEWT_VAL_BLE_LL_CONN_INIT_MIN_WIN_OFFSET (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_LL_CONN_INIT_SLOTS
+#define MYNEWT_VAL_BLE_LL_CONN_INIT_SLOTS (4)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_LL_DBG_HCI_CMD_PIN
+#define MYNEWT_VAL_BLE_LL_DBG_HCI_CMD_PIN (-1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_LL_DBG_HCI_EV_PIN
+#define MYNEWT_VAL_BLE_LL_DBG_HCI_EV_PIN (-1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_LL_DIRECT_TEST_MODE
+#define MYNEWT_VAL_BLE_LL_DIRECT_TEST_MODE (0)
+#endif
+
+/* Value copied from BLE_LL_DIRECT_TEST_MODE */
+#ifndef MYNEWT_VAL_BLE_LL_DTM
+#define MYNEWT_VAL_BLE_LL_DTM (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_LL_DTM_EXTENSIONS
+#define MYNEWT_VAL_BLE_LL_DTM_EXTENSIONS (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_LL_EXT_ADV_AUX_PTR_CNT
+#define MYNEWT_VAL_BLE_LL_EXT_ADV_AUX_PTR_CNT (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_LL_MASTER_SCA
+#define MYNEWT_VAL_BLE_LL_MASTER_SCA (4)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_LL_MAX_PKT_SIZE
+#define MYNEWT_VAL_BLE_LL_MAX_PKT_SIZE (251)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_LL_MFRG_ID
+#define MYNEWT_VAL_BLE_LL_MFRG_ID (0xFFFF)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_LL_NUM_COMP_PKT_ITVL_MS
+#define MYNEWT_VAL_BLE_LL_NUM_COMP_PKT_ITVL_MS (2000)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_LL_NUM_SCAN_DUP_ADVS
+#define MYNEWT_VAL_BLE_LL_NUM_SCAN_DUP_ADVS (8)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_LL_NUM_SCAN_RSP_ADVS
+#define MYNEWT_VAL_BLE_LL_NUM_SCAN_RSP_ADVS (8)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_LL_OUR_SCA
+#define MYNEWT_VAL_BLE_LL_OUR_SCA (60)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_LL_PRIO
+#define MYNEWT_VAL_BLE_LL_PRIO (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_LL_RESOLV_LIST_SIZE
+#define MYNEWT_VAL_BLE_LL_RESOLV_LIST_SIZE (4)
+#endif
+
+/* Overridden by @apache-mynewt-core/hw/bsp/nordic_pca10056 (defined by @apache-mynewt-nimble/nimble/controller) */
+#ifndef MYNEWT_VAL_BLE_LL_RFMGMT_ENABLE_TIME
+#define MYNEWT_VAL_BLE_LL_RFMGMT_ENABLE_TIME (1500)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_LL_RNG_BUFSIZE
+#define MYNEWT_VAL_BLE_LL_RNG_BUFSIZE (32)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_LL_SCHED_AUX_CHAIN_MAFS_DELAY
+#define MYNEWT_VAL_BLE_LL_SCHED_AUX_CHAIN_MAFS_DELAY (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_LL_SCHED_AUX_MAFS_DELAY
+#define MYNEWT_VAL_BLE_LL_SCHED_AUX_MAFS_DELAY (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_LL_SCHED_SCAN_AUX_PDU_LEN
+#define MYNEWT_VAL_BLE_LL_SCHED_SCAN_AUX_PDU_LEN (41)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_LL_SCHED_SCAN_SYNC_PDU_LEN
+#define MYNEWT_VAL_BLE_LL_SCHED_SCAN_SYNC_PDU_LEN (32)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_LL_STRICT_CONN_SCHEDULING
+#define MYNEWT_VAL_BLE_LL_STRICT_CONN_SCHEDULING (0)
+#endif
+
+/* Overridden by @apache-mynewt-nimble/targets/riot (defined by @apache-mynewt-nimble/nimble/controller) */
+#ifndef MYNEWT_VAL_BLE_LL_SUPP_MAX_RX_BYTES
+#define MYNEWT_VAL_BLE_LL_SUPP_MAX_RX_BYTES (MYNEWT_VAL_BLE_LL_MAX_PKT_SIZE)
+#endif
+
+/* Overridden by @apache-mynewt-nimble/targets/riot (defined by @apache-mynewt-nimble/nimble/controller) */
+#ifndef MYNEWT_VAL_BLE_LL_SUPP_MAX_TX_BYTES
+#define MYNEWT_VAL_BLE_LL_SUPP_MAX_TX_BYTES (MYNEWT_VAL_BLE_LL_MAX_PKT_SIZE)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_LL_SYSINIT_STAGE
+#define MYNEWT_VAL_BLE_LL_SYSINIT_STAGE (250)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_LL_SYSVIEW
+#define MYNEWT_VAL_BLE_LL_SYSVIEW (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_LL_TX_PWR_DBM
+#define MYNEWT_VAL_BLE_LL_TX_PWR_DBM (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_LL_USECS_PER_PERIOD
+#define MYNEWT_VAL_BLE_LL_USECS_PER_PERIOD (3250)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_LL_VND_EVENT_ON_ASSERT
+#define MYNEWT_VAL_BLE_LL_VND_EVENT_ON_ASSERT (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_LL_WHITELIST_SIZE
+#define MYNEWT_VAL_BLE_LL_WHITELIST_SIZE (8)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_LP_CLOCK
+#define MYNEWT_VAL_BLE_LP_CLOCK (1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_NUM_COMP_PKT_RATE
+#define MYNEWT_VAL_BLE_NUM_COMP_PKT_RATE ((2 * OS_TICKS_PER_SEC))
+#endif
+
+#ifndef MYNEWT_VAL_BLE_PUBLIC_DEV_ADDR
+#define MYNEWT_VAL_BLE_PUBLIC_DEV_ADDR ((uint8_t[6]){0x00, 0x00, 0x00, 0x00, 0x00, 0x00})
+#endif
+
+#ifndef MYNEWT_VAL_BLE_XTAL_SETTLE_TIME
+#define MYNEWT_VAL_BLE_XTAL_SETTLE_TIME (0)
+#endif
+
+/*** @apache-mynewt-nimble/nimble/drivers/nrf52 */
+#ifndef MYNEWT_VAL_BLE_PHY_CODED_RX_IFS_EXTRA_MARGIN
+#define MYNEWT_VAL_BLE_PHY_CODED_RX_IFS_EXTRA_MARGIN (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_PHY_DBG_TIME_ADDRESS_END_PIN
+#define MYNEWT_VAL_BLE_PHY_DBG_TIME_ADDRESS_END_PIN (-1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_PHY_DBG_TIME_TXRXEN_READY_PIN
+#define MYNEWT_VAL_BLE_PHY_DBG_TIME_TXRXEN_READY_PIN (-1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_PHY_DBG_TIME_WFR_PIN
+#define MYNEWT_VAL_BLE_PHY_DBG_TIME_WFR_PIN (-1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_PHY_NRF52840_ERRATA_164
+#define MYNEWT_VAL_BLE_PHY_NRF52840_ERRATA_164 (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_PHY_NRF52840_ERRATA_191
+#define MYNEWT_VAL_BLE_PHY_NRF52840_ERRATA_191 (1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_PHY_SYSVIEW
+#define MYNEWT_VAL_BLE_PHY_SYSVIEW (0)
+#endif
+
+/*** @apache-mynewt-nimble/nimble/host */
+#ifndef MYNEWT_VAL_BLE_ATT_PREFERRED_MTU
+#define MYNEWT_VAL_BLE_ATT_PREFERRED_MTU (256)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_ATT_SVR_FIND_INFO
+#define MYNEWT_VAL_BLE_ATT_SVR_FIND_INFO (1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_ATT_SVR_FIND_TYPE
+#define MYNEWT_VAL_BLE_ATT_SVR_FIND_TYPE (1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_ATT_SVR_INDICATE
+#define MYNEWT_VAL_BLE_ATT_SVR_INDICATE (1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_ATT_SVR_MAX_PREP_ENTRIES
+#define MYNEWT_VAL_BLE_ATT_SVR_MAX_PREP_ENTRIES (64)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_ATT_SVR_NOTIFY
+#define MYNEWT_VAL_BLE_ATT_SVR_NOTIFY (1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_ATT_SVR_QUEUED_WRITE
+#define MYNEWT_VAL_BLE_ATT_SVR_QUEUED_WRITE (1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_ATT_SVR_QUEUED_WRITE_TMO
+#define MYNEWT_VAL_BLE_ATT_SVR_QUEUED_WRITE_TMO (30000)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_ATT_SVR_READ
+#define MYNEWT_VAL_BLE_ATT_SVR_READ (1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_ATT_SVR_READ_BLOB
+#define MYNEWT_VAL_BLE_ATT_SVR_READ_BLOB (1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_ATT_SVR_READ_GROUP_TYPE
+#define MYNEWT_VAL_BLE_ATT_SVR_READ_GROUP_TYPE (1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_ATT_SVR_READ_MULT
+#define MYNEWT_VAL_BLE_ATT_SVR_READ_MULT (1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_ATT_SVR_READ_TYPE
+#define MYNEWT_VAL_BLE_ATT_SVR_READ_TYPE (1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_ATT_SVR_SIGNED_WRITE
+#define MYNEWT_VAL_BLE_ATT_SVR_SIGNED_WRITE (1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_ATT_SVR_WRITE
+#define MYNEWT_VAL_BLE_ATT_SVR_WRITE (1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_ATT_SVR_WRITE_NO_RSP
+#define MYNEWT_VAL_BLE_ATT_SVR_WRITE_NO_RSP (1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_GAP_MAX_PENDING_CONN_PARAM_UPDATE
+#define MYNEWT_VAL_BLE_GAP_MAX_PENDING_CONN_PARAM_UPDATE (1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_GATT_DISC_ALL_CHRS
+#define MYNEWT_VAL_BLE_GATT_DISC_ALL_CHRS (MYNEWT_VAL_BLE_ROLE_CENTRAL)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_GATT_DISC_ALL_DSCS
+#define MYNEWT_VAL_BLE_GATT_DISC_ALL_DSCS (MYNEWT_VAL_BLE_ROLE_CENTRAL)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_GATT_DISC_ALL_SVCS
+#define MYNEWT_VAL_BLE_GATT_DISC_ALL_SVCS (MYNEWT_VAL_BLE_ROLE_CENTRAL)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_GATT_DISC_CHR_UUID
+#define MYNEWT_VAL_BLE_GATT_DISC_CHR_UUID (MYNEWT_VAL_BLE_ROLE_CENTRAL)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_GATT_DISC_SVC_UUID
+#define MYNEWT_VAL_BLE_GATT_DISC_SVC_UUID (MYNEWT_VAL_BLE_ROLE_CENTRAL)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_GATT_FIND_INC_SVCS
+#define MYNEWT_VAL_BLE_GATT_FIND_INC_SVCS (MYNEWT_VAL_BLE_ROLE_CENTRAL)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_GATT_INDICATE
+#define MYNEWT_VAL_BLE_GATT_INDICATE (1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_GATT_MAX_PROCS
+#define MYNEWT_VAL_BLE_GATT_MAX_PROCS (4)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_GATT_NOTIFY
+#define MYNEWT_VAL_BLE_GATT_NOTIFY (1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_GATT_READ
+#define MYNEWT_VAL_BLE_GATT_READ (MYNEWT_VAL_BLE_ROLE_CENTRAL)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_GATT_READ_LONG
+#define MYNEWT_VAL_BLE_GATT_READ_LONG (MYNEWT_VAL_BLE_ROLE_CENTRAL)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_GATT_READ_MAX_ATTRS
+#define MYNEWT_VAL_BLE_GATT_READ_MAX_ATTRS (8)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_GATT_READ_MULT
+#define MYNEWT_VAL_BLE_GATT_READ_MULT (MYNEWT_VAL_BLE_ROLE_CENTRAL)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_GATT_READ_UUID
+#define MYNEWT_VAL_BLE_GATT_READ_UUID (MYNEWT_VAL_BLE_ROLE_CENTRAL)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_GATT_RESUME_RATE
+#define MYNEWT_VAL_BLE_GATT_RESUME_RATE (1000)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_GATT_SIGNED_WRITE
+#define MYNEWT_VAL_BLE_GATT_SIGNED_WRITE (MYNEWT_VAL_BLE_ROLE_CENTRAL)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_GATT_WRITE
+#define MYNEWT_VAL_BLE_GATT_WRITE (MYNEWT_VAL_BLE_ROLE_CENTRAL)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_GATT_WRITE_LONG
+#define MYNEWT_VAL_BLE_GATT_WRITE_LONG (MYNEWT_VAL_BLE_ROLE_CENTRAL)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_GATT_WRITE_MAX_ATTRS
+#define MYNEWT_VAL_BLE_GATT_WRITE_MAX_ATTRS (4)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_GATT_WRITE_NO_RSP
+#define MYNEWT_VAL_BLE_GATT_WRITE_NO_RSP (MYNEWT_VAL_BLE_ROLE_CENTRAL)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_GATT_WRITE_RELIABLE
+#define MYNEWT_VAL_BLE_GATT_WRITE_RELIABLE (MYNEWT_VAL_BLE_ROLE_CENTRAL)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_HOST
+#define MYNEWT_VAL_BLE_HOST (1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_HS_AUTO_START
+#define MYNEWT_VAL_BLE_HS_AUTO_START (1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_HS_DEBUG
+#define MYNEWT_VAL_BLE_HS_DEBUG (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_HS_FLOW_CTRL
+#define MYNEWT_VAL_BLE_HS_FLOW_CTRL (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_HS_FLOW_CTRL_ITVL
+#define MYNEWT_VAL_BLE_HS_FLOW_CTRL_ITVL (1000)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_HS_FLOW_CTRL_THRESH
+#define MYNEWT_VAL_BLE_HS_FLOW_CTRL_THRESH (2)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_HS_FLOW_CTRL_TX_ON_DISCONNECT
+#define MYNEWT_VAL_BLE_HS_FLOW_CTRL_TX_ON_DISCONNECT (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_HS_LOG_LVL
+#define MYNEWT_VAL_BLE_HS_LOG_LVL (1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_HS_LOG_MOD
+#define MYNEWT_VAL_BLE_HS_LOG_MOD (4)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_HS_PHONY_HCI_ACKS
+#define MYNEWT_VAL_BLE_HS_PHONY_HCI_ACKS (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_HS_REQUIRE_OS
+#define MYNEWT_VAL_BLE_HS_REQUIRE_OS (1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_HS_STOP_ON_SHUTDOWN
+#define MYNEWT_VAL_BLE_HS_STOP_ON_SHUTDOWN (1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_HS_STOP_ON_SHUTDOWN_TIMEOUT
+#define MYNEWT_VAL_BLE_HS_STOP_ON_SHUTDOWN_TIMEOUT (2000)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_HS_SYSINIT_STAGE
+#define MYNEWT_VAL_BLE_HS_SYSINIT_STAGE (200)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_L2CAP_COC_MAX_NUM
+#define MYNEWT_VAL_BLE_L2CAP_COC_MAX_NUM (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_L2CAP_COC_MPS
+#define MYNEWT_VAL_BLE_L2CAP_COC_MPS (MYNEWT_VAL_MSYS_1_BLOCK_SIZE-8)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_L2CAP_ENHANCED_COC
+#define MYNEWT_VAL_BLE_L2CAP_ENHANCED_COC (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_L2CAP_JOIN_RX_FRAGS
+#define MYNEWT_VAL_BLE_L2CAP_JOIN_RX_FRAGS (1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_L2CAP_MAX_CHANS
+#define MYNEWT_VAL_BLE_L2CAP_MAX_CHANS (3*MYNEWT_VAL_BLE_MAX_CONNECTIONS)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_L2CAP_RX_FRAG_TIMEOUT
+#define MYNEWT_VAL_BLE_L2CAP_RX_FRAG_TIMEOUT (30000)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_L2CAP_SIG_MAX_PROCS
+#define MYNEWT_VAL_BLE_L2CAP_SIG_MAX_PROCS (1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_MESH
+#define MYNEWT_VAL_BLE_MESH (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_MONITOR_CONSOLE_BUFFER_SIZE
+#define MYNEWT_VAL_BLE_MONITOR_CONSOLE_BUFFER_SIZE (128)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_MONITOR_RTT
+#define MYNEWT_VAL_BLE_MONITOR_RTT (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_MONITOR_RTT_BUFFERED
+#define MYNEWT_VAL_BLE_MONITOR_RTT_BUFFERED (1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_MONITOR_RTT_BUFFER_NAME
+#define MYNEWT_VAL_BLE_MONITOR_RTT_BUFFER_NAME ("btmonitor")
+#endif
+
+#ifndef MYNEWT_VAL_BLE_MONITOR_RTT_BUFFER_SIZE
+#define MYNEWT_VAL_BLE_MONITOR_RTT_BUFFER_SIZE (256)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_MONITOR_UART
+#define MYNEWT_VAL_BLE_MONITOR_UART (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_MONITOR_UART_BAUDRATE
+#define MYNEWT_VAL_BLE_MONITOR_UART_BAUDRATE (1000000)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_MONITOR_UART_BUFFER_SIZE
+#define MYNEWT_VAL_BLE_MONITOR_UART_BUFFER_SIZE (64)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_MONITOR_UART_DEV
+#define MYNEWT_VAL_BLE_MONITOR_UART_DEV ("uart0")
+#endif
+
+#ifndef MYNEWT_VAL_BLE_RPA_TIMEOUT
+#define MYNEWT_VAL_BLE_RPA_TIMEOUT (300)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_SM_BONDING
+#define MYNEWT_VAL_BLE_SM_BONDING (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_SM_IO_CAP
+#define MYNEWT_VAL_BLE_SM_IO_CAP (BLE_HS_IO_NO_INPUT_OUTPUT)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_SM_KEYPRESS
+#define MYNEWT_VAL_BLE_SM_KEYPRESS (0)
+#endif
+
+/* Overridden by @apache-mynewt-nimble/targets/riot (defined by @apache-mynewt-nimble/nimble/host) */
+#ifndef MYNEWT_VAL_BLE_SM_LEGACY
+#define MYNEWT_VAL_BLE_SM_LEGACY (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_SM_MAX_PROCS
+#define MYNEWT_VAL_BLE_SM_MAX_PROCS (1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_SM_MITM
+#define MYNEWT_VAL_BLE_SM_MITM (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_SM_OOB_DATA_FLAG
+#define MYNEWT_VAL_BLE_SM_OOB_DATA_FLAG (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_SM_OUR_KEY_DIST
+#define MYNEWT_VAL_BLE_SM_OUR_KEY_DIST (0)
+#endif
+
+/* Overridden by @apache-mynewt-nimble/targets/riot (defined by @apache-mynewt-nimble/nimble/host) */
+#ifndef MYNEWT_VAL_BLE_SM_SC
+#define MYNEWT_VAL_BLE_SM_SC (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_SM_SC_DEBUG_KEYS
+#define MYNEWT_VAL_BLE_SM_SC_DEBUG_KEYS (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_SM_THEIR_KEY_DIST
+#define MYNEWT_VAL_BLE_SM_THEIR_KEY_DIST (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_STORE_MAX_BONDS
+#define MYNEWT_VAL_BLE_STORE_MAX_BONDS (3)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_STORE_MAX_CCCDS
+#define MYNEWT_VAL_BLE_STORE_MAX_CCCDS (8)
+#endif
+
+/*** @apache-mynewt-nimble/nimble/host/services/gap */
+#ifndef MYNEWT_VAL_BLE_SVC_GAP_APPEARANCE
+#define MYNEWT_VAL_BLE_SVC_GAP_APPEARANCE (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_SVC_GAP_APPEARANCE_WRITE_PERM
+#define MYNEWT_VAL_BLE_SVC_GAP_APPEARANCE_WRITE_PERM (-1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_SVC_GAP_CENTRAL_ADDRESS_RESOLUTION
+#define MYNEWT_VAL_BLE_SVC_GAP_CENTRAL_ADDRESS_RESOLUTION (-1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_SVC_GAP_DEVICE_NAME
+#define MYNEWT_VAL_BLE_SVC_GAP_DEVICE_NAME ("nimble")
+#endif
+
+#ifndef MYNEWT_VAL_BLE_SVC_GAP_DEVICE_NAME_MAX_LENGTH
+#define MYNEWT_VAL_BLE_SVC_GAP_DEVICE_NAME_MAX_LENGTH (31)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_SVC_GAP_DEVICE_NAME_WRITE_PERM
+#define MYNEWT_VAL_BLE_SVC_GAP_DEVICE_NAME_WRITE_PERM (-1)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_SVC_GAP_PPCP_MAX_CONN_INTERVAL
+#define MYNEWT_VAL_BLE_SVC_GAP_PPCP_MAX_CONN_INTERVAL (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_SVC_GAP_PPCP_MIN_CONN_INTERVAL
+#define MYNEWT_VAL_BLE_SVC_GAP_PPCP_MIN_CONN_INTERVAL (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_SVC_GAP_PPCP_SLAVE_LATENCY
+#define MYNEWT_VAL_BLE_SVC_GAP_PPCP_SLAVE_LATENCY (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_SVC_GAP_PPCP_SUPERVISION_TMO
+#define MYNEWT_VAL_BLE_SVC_GAP_PPCP_SUPERVISION_TMO (0)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_SVC_GAP_SYSINIT_STAGE
+#define MYNEWT_VAL_BLE_SVC_GAP_SYSINIT_STAGE (301)
+#endif
+
+/*** @apache-mynewt-nimble/nimble/host/services/gatt */
+#ifndef MYNEWT_VAL_BLE_SVC_GATT_SYSINIT_STAGE
+#define MYNEWT_VAL_BLE_SVC_GATT_SYSINIT_STAGE (302)
+#endif
+
+/*** @apache-mynewt-nimble/nimble/transport/ram */
+/* Overridden by @apache-mynewt-nimble/targets/riot (defined by @apache-mynewt-nimble/nimble/transport/ram) */
+#ifndef MYNEWT_VAL_BLE_ACL_BUF_COUNT
+#define MYNEWT_VAL_BLE_ACL_BUF_COUNT (4)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_ACL_BUF_SIZE
+#define MYNEWT_VAL_BLE_ACL_BUF_SIZE (255)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_HCI_EVT_BUF_SIZE
+#define MYNEWT_VAL_BLE_HCI_EVT_BUF_SIZE (70)
+#endif
+
+/* Overridden by @apache-mynewt-nimble/targets/riot (defined by @apache-mynewt-nimble/nimble/transport/ram) */
+#ifndef MYNEWT_VAL_BLE_HCI_EVT_HI_BUF_COUNT
+#define MYNEWT_VAL_BLE_HCI_EVT_HI_BUF_COUNT (2)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_HCI_EVT_LO_BUF_COUNT
+#define MYNEWT_VAL_BLE_HCI_EVT_LO_BUF_COUNT (8)
+#endif
+
+#ifndef MYNEWT_VAL_BLE_TRANS_RAM_SYSINIT_STAGE
+#define MYNEWT_VAL_BLE_TRANS_RAM_SYSINIT_STAGE (100)
+#endif
+
+/*** newt */
+#ifndef MYNEWT_VAL_APP_NAME
+#define MYNEWT_VAL_APP_NAME ("dummy_app")
+#endif
+
+#ifndef MYNEWT_VAL_APP_dummy_app
+#define MYNEWT_VAL_APP_dummy_app (1)
+#endif
+
+#ifndef MYNEWT_VAL_ARCH_NAME
+#define MYNEWT_VAL_ARCH_NAME ("cortex_m4")
+#endif
+
+#ifndef MYNEWT_VAL_ARCH_cortex_m4
+#define MYNEWT_VAL_ARCH_cortex_m4 (1)
+#endif
+
+#ifndef MYNEWT_VAL_BSP_NAME
+#define MYNEWT_VAL_BSP_NAME ("nordic_pca10056")
+#endif
+
+#ifndef MYNEWT_VAL_BSP_nordic_pca10056
+#define MYNEWT_VAL_BSP_nordic_pca10056 (1)
+#endif
+
+#ifndef MYNEWT_VAL_NEWT_FEATURE_LOGCFG
+#define MYNEWT_VAL_NEWT_FEATURE_LOGCFG (1)
+#endif
+
+#ifndef MYNEWT_VAL_NEWT_FEATURE_SYSDOWN
+#define MYNEWT_VAL_NEWT_FEATURE_SYSDOWN (1)
+#endif
+
+#ifndef MYNEWT_VAL_TARGET_NAME
+#define MYNEWT_VAL_TARGET_NAME ("riot")
+#endif
+
+#ifndef MYNEWT_VAL_TARGET_riot
+#define MYNEWT_VAL_TARGET_riot (1)
+#endif
+
+#endif
diff --git a/src/libs/mynewt-nimble/porting/npl/riot/include/sysflash/sysflash.h b/src/libs/mynewt-nimble/porting/npl/riot/include/sysflash/sysflash.h
new file mode 100644
index 00000000..413cb267
--- /dev/null
+++ b/src/libs/mynewt-nimble/porting/npl/riot/include/sysflash/sysflash.h
@@ -0,0 +1,24 @@
+/**
+ * This file was generated by Apache newt version: 1.8.0-dev
+ */
+
+#ifndef H_MYNEWT_SYSFLASH_
+#define H_MYNEWT_SYSFLASH_
+
+#include "flash_map/flash_map.h"
+
+/**
+ * This flash map definition is used for two purposes:
+ * 1. To locate the meta area, which contains the true flash map definition.
+ * 2. As a fallback in case the meta area cannot be read from flash.
+ */
+extern const struct flash_area sysflash_map_dflt[6];
+
+#define FLASH_AREA_BOOTLOADER                    0
+#define FLASH_AREA_IMAGE_0                       1
+#define FLASH_AREA_IMAGE_1                       2
+#define FLASH_AREA_IMAGE_SCRATCH                 3
+#define FLASH_AREA_REBOOT_LOG                    16
+#define FLASH_AREA_NFFS                          17
+
+#endif
diff --git a/src/libs/mynewt-nimble/porting/npl/riot/src/npl_os_riot.c b/src/libs/mynewt-nimble/porting/npl/riot/src/npl_os_riot.c
new file mode 100644
index 00000000..2f4efd8b
--- /dev/null
+++ b/src/libs/mynewt-nimble/porting/npl/riot/src/npl_os_riot.c
@@ -0,0 +1,80 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include <stddef.h>
+#include "nimble/nimble_npl.h"
+
+#define ENABLE_DEBUG    (0)
+#include "debug.h"
+
+volatile int ble_npl_in_critical = 0;
+
+static void
+_callout_fire(void *arg)
+{
+    struct ble_npl_callout *co = (struct ble_npl_callout *)arg;
+    event_post(co->q, &co->e.e.super);
+}
+
+ble_npl_error_t
+ble_npl_sem_pend(struct ble_npl_sem *sem, ble_npl_time_t timeout)
+{
+    int rc;
+    struct timespec abs;
+    uint64_t time;
+
+    time = xtimer_now_usec64() +
+        (ble_npl_time_ticks_to_ms32(timeout) * US_PER_MS);
+    abs.tv_sec = (time_t)(time / US_PER_SEC);
+    abs.tv_nsec = (long)((time % US_PER_SEC) * NS_PER_US);
+
+    rc = sem_timedwait(&sem->sem, &abs);
+
+    return rc == 0 ? BLE_NPL_OK : BLE_NPL_ENOENT;
+}
+
+void
+ble_npl_callout_init(struct ble_npl_callout *c, struct ble_npl_eventq *evq,
+                     ble_npl_event_fn *ev_cb, void *ev_arg)
+{
+    c->timer.arg = (void *)c;
+    c->timer.callback = _callout_fire;
+    c->q = &evq->q;
+    ble_npl_event_init(&c->e, ev_cb, ev_arg);
+}
+
+ble_npl_error_t
+ble_npl_callout_reset(struct ble_npl_callout *c, ble_npl_time_t ticks)
+{
+    /* Use critical section to ensure matching target_us and xtimer value. */
+    uint32_t crit_state = ble_npl_hw_enter_critical();
+    uint64_t now = xtimer_now_usec64();
+    c->target_us = now  + ticks * US_PER_MS;
+    xtimer_set64(&c->timer, ticks * US_PER_MS);
+    ble_npl_hw_exit_critical(crit_state);
+    return BLE_NPL_OK;
+}
+
+uint32_t
+ble_npl_callout_remaining_ticks(struct ble_npl_callout *co,
+                                ble_npl_time_t time)
+{
+    uint64_t now = xtimer_now_usec64();
+    return (uint32_t)((co->target_us - now) / US_PER_MS);
+}
diff --git a/src/libs/mynewt-nimble/porting/npl/riot/src/nrf5x_isr.c b/src/libs/mynewt-nimble/porting/npl/riot/src/nrf5x_isr.c
new file mode 100644
index 00000000..01ba2348
--- /dev/null
+++ b/src/libs/mynewt-nimble/porting/npl/riot/src/nrf5x_isr.c
@@ -0,0 +1,58 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include "cpu.h"
+
+static void (*radio_isr_addr)(void);
+static void (*rng_isr_addr)(void);
+static void (*rtc0_isr_addr)(void);
+
+void
+isr_radio(void)
+{
+    radio_isr_addr();
+}
+
+void
+isr_rng(void)
+{
+    rng_isr_addr();
+}
+
+void
+isr_rtc0(void)
+{
+    rtc0_isr_addr();
+}
+
+void
+ble_npl_hw_set_isr(int irqn, void (*addr)(void))
+{
+    switch (irqn) {
+    case RADIO_IRQn:
+        radio_isr_addr = addr;
+        break;
+    case RNG_IRQn:
+        rng_isr_addr = addr;
+        break;
+    case RTC0_IRQn:
+        rtc0_isr_addr = addr;
+        break;
+    }
+}