diff options
Diffstat (limited to 'src/libs/mynewt-nimble/nimble/transport/ram')
4 files changed, 357 insertions, 0 deletions
diff --git a/src/libs/mynewt-nimble/nimble/transport/ram/include/transport/ram/ble_hci_ram.h b/src/libs/mynewt-nimble/nimble/transport/ram/include/transport/ram/ble_hci_ram.h new file mode 100644 index 00000000..3c37e329 --- /dev/null +++ b/src/libs/mynewt-nimble/nimble/transport/ram/include/transport/ram/ble_hci_ram.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 H_BLE_HCI_RAM_ +#define H_BLE_HCI_RAM_ + +#include "nimble/ble_hci_trans.h" + +#ifdef __cplusplus +extern "C" { +#endif + +void ble_hci_ram_init(void); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/src/libs/mynewt-nimble/nimble/transport/ram/pkg.yml b/src/libs/mynewt-nimble/nimble/transport/ram/pkg.yml new file mode 100644 index 00000000..bb8397bf --- /dev/null +++ b/src/libs/mynewt-nimble/nimble/transport/ram/pkg.yml @@ -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. +# + +pkg.name: nimble/transport/ram +pkg.description: XXX +pkg.author: "Apache Mynewt <dev@mynewt.apache.org>" +pkg.homepage: "http://mynewt.apache.org/" +pkg.keywords: + - ble + - bluetooth + +pkg.deps: + - "@apache-mynewt-core/kernel/os" + - nimble + +pkg.apis: + - ble_transport + +pkg.init: + ble_hci_ram_init: 'MYNEWT_VAL(BLE_TRANS_RAM_SYSINIT_STAGE)' diff --git a/src/libs/mynewt-nimble/nimble/transport/ram/src/ble_hci_ram.c b/src/libs/mynewt-nimble/nimble/transport/ram/src/ble_hci_ram.c new file mode 100644 index 00000000..3f10e9df --- /dev/null +++ b/src/libs/mynewt-nimble/nimble/transport/ram/src/ble_hci_ram.c @@ -0,0 +1,238 @@ +/* + * 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 <stddef.h> +#include "syscfg/syscfg.h" +#include "sysinit/sysinit.h" +#include "os/os.h" +#include "mem/mem.h" +#include "nimble/ble.h" +#include "nimble/ble_hci_trans.h" +#include "transport/ram/ble_hci_ram.h" + +static ble_hci_trans_rx_cmd_fn *ble_hci_ram_rx_cmd_hs_cb; +static void *ble_hci_ram_rx_cmd_hs_arg; + +static ble_hci_trans_rx_cmd_fn *ble_hci_ram_rx_cmd_ll_cb; +static void *ble_hci_ram_rx_cmd_ll_arg; + +static ble_hci_trans_rx_acl_fn *ble_hci_ram_rx_acl_hs_cb; +static void *ble_hci_ram_rx_acl_hs_arg; + +static ble_hci_trans_rx_acl_fn *ble_hci_ram_rx_acl_ll_cb; +static void *ble_hci_ram_rx_acl_ll_arg; + +static struct os_mempool ble_hci_ram_cmd_pool; +static os_membuf_t ble_hci_ram_cmd_buf[ + OS_MEMPOOL_SIZE(1, BLE_HCI_TRANS_CMD_SZ) +]; + +static struct os_mempool ble_hci_ram_evt_hi_pool; +static os_membuf_t ble_hci_ram_evt_hi_buf[ + OS_MEMPOOL_SIZE(MYNEWT_VAL(BLE_HCI_EVT_HI_BUF_COUNT), + MYNEWT_VAL(BLE_HCI_EVT_BUF_SIZE)) +]; + +static struct os_mempool ble_hci_ram_evt_lo_pool; +static os_membuf_t ble_hci_ram_evt_lo_buf[ + OS_MEMPOOL_SIZE(MYNEWT_VAL(BLE_HCI_EVT_LO_BUF_COUNT), + MYNEWT_VAL(BLE_HCI_EVT_BUF_SIZE)) +]; + +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) +{ + ble_hci_ram_rx_cmd_hs_cb = cmd_cb; + ble_hci_ram_rx_cmd_hs_arg = cmd_arg; + ble_hci_ram_rx_acl_hs_cb = acl_cb; + ble_hci_ram_rx_acl_hs_arg = acl_arg; +} + +void +ble_hci_trans_cfg_ll(ble_hci_trans_rx_cmd_fn *cmd_cb, + void *cmd_arg, + ble_hci_trans_rx_acl_fn *acl_cb, + void *acl_arg) +{ + ble_hci_ram_rx_cmd_ll_cb = cmd_cb; + ble_hci_ram_rx_cmd_ll_arg = cmd_arg; + ble_hci_ram_rx_acl_ll_cb = acl_cb; + ble_hci_ram_rx_acl_ll_arg = acl_arg; +} + +int +ble_hci_trans_hs_cmd_tx(uint8_t *cmd) +{ + int rc; + + assert(ble_hci_ram_rx_cmd_ll_cb != NULL); + + rc = ble_hci_ram_rx_cmd_ll_cb(cmd, ble_hci_ram_rx_cmd_ll_arg); + return rc; +} + +int +ble_hci_trans_ll_evt_tx(uint8_t *hci_ev) +{ + int rc; + + assert(ble_hci_ram_rx_cmd_hs_cb != NULL); + + rc = ble_hci_ram_rx_cmd_hs_cb(hci_ev, ble_hci_ram_rx_cmd_hs_arg); + return rc; +} + +int +ble_hci_trans_hs_acl_tx(struct os_mbuf *om) +{ + int rc; + + assert(ble_hci_ram_rx_acl_ll_cb != NULL); + + rc = ble_hci_ram_rx_acl_ll_cb(om, ble_hci_ram_rx_acl_ll_arg); + return rc; +} + +int +ble_hci_trans_ll_acl_tx(struct os_mbuf *om) +{ + int rc; + + assert(ble_hci_ram_rx_acl_hs_cb != NULL); + + rc = ble_hci_ram_rx_acl_hs_cb(om, ble_hci_ram_rx_acl_hs_arg); + return rc; +} + +uint8_t * +ble_hci_trans_buf_alloc(int type) +{ + uint8_t *buf; + + switch (type) { + case BLE_HCI_TRANS_BUF_CMD: + buf = os_memblock_get(&ble_hci_ram_cmd_pool); + break; + + case BLE_HCI_TRANS_BUF_EVT_HI: + buf = os_memblock_get(&ble_hci_ram_evt_hi_pool); + if (buf == NULL) { + /* If no high-priority event buffers remain, try to grab a + * low-priority one. + */ + buf = ble_hci_trans_buf_alloc(BLE_HCI_TRANS_BUF_EVT_LO); + } + break; + + case BLE_HCI_TRANS_BUF_EVT_LO: + buf = os_memblock_get(&ble_hci_ram_evt_lo_pool); + break; + + default: + assert(0); + buf = NULL; + } + + return buf; +} + +void +ble_hci_trans_buf_free(uint8_t *buf) +{ + int rc; + + /* XXX: this may look a bit odd, but the controller uses the command + * buffer to send back the command complete/status as an immediate + * response to the command. This was done to insure that the controller + * could always send back one of these events when a command was received. + * Thus, we check to see which pool the buffer came from so we can free + * it to the appropriate pool + */ + if (os_memblock_from(&ble_hci_ram_evt_hi_pool, buf)) { + rc = os_memblock_put(&ble_hci_ram_evt_hi_pool, buf); + assert(rc == 0); + } else if (os_memblock_from(&ble_hci_ram_evt_lo_pool, buf)) { + rc = os_memblock_put(&ble_hci_ram_evt_lo_pool, buf); + assert(rc == 0); + } else { + assert(os_memblock_from(&ble_hci_ram_cmd_pool, buf)); + rc = os_memblock_put(&ble_hci_ram_cmd_pool, buf); + assert(rc == 0); + } +} + +/** + * Unsupported; the RAM transport does not have a dedicated ACL data packet + * pool. + */ +int +ble_hci_trans_set_acl_free_cb(os_mempool_put_fn *cb, void *arg) +{ + return BLE_ERR_UNSUPPORTED; +} + +int +ble_hci_trans_reset(void) +{ + /* No work to do. All allocated buffers are owned by the host or + * controller, and they will get freed by their owners. + */ + return 0; +} + +void +ble_hci_ram_init(void) +{ + int rc; + + /* Ensure this function only gets called by sysinit. */ + SYSINIT_ASSERT_ACTIVE(); + + /* + * Create memory pool of HCI command buffers. NOTE: we currently dont + * allow this to be configured. The controller will only allow one + * outstanding command. We decided to keep this a pool in case we allow + * allow the controller to handle more than one outstanding command. + */ + rc = os_mempool_init(&ble_hci_ram_cmd_pool, + 1, + BLE_HCI_TRANS_CMD_SZ, + ble_hci_ram_cmd_buf, + "ble_hci_ram_cmd_pool"); + SYSINIT_PANIC_ASSERT(rc == 0); + + rc = os_mempool_init(&ble_hci_ram_evt_hi_pool, + MYNEWT_VAL(BLE_HCI_EVT_HI_BUF_COUNT), + MYNEWT_VAL(BLE_HCI_EVT_BUF_SIZE), + ble_hci_ram_evt_hi_buf, + "ble_hci_ram_evt_hi_pool"); + SYSINIT_PANIC_ASSERT(rc == 0); + + rc = os_mempool_init(&ble_hci_ram_evt_lo_pool, + MYNEWT_VAL(BLE_HCI_EVT_LO_BUF_COUNT), + MYNEWT_VAL(BLE_HCI_EVT_BUF_SIZE), + ble_hci_ram_evt_lo_buf, + "ble_hci_ram_evt_lo_pool"); + SYSINIT_PANIC_ASSERT(rc == 0); +} diff --git a/src/libs/mynewt-nimble/nimble/transport/ram/syscfg.yml b/src/libs/mynewt-nimble/nimble/transport/ram/syscfg.yml new file mode 100644 index 00000000..3b822fcc --- /dev/null +++ b/src/libs/mynewt-nimble/nimble/transport/ram/syscfg.yml @@ -0,0 +1,48 @@ +# 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. +# + +syscfg.defs: + BLE_HCI_EVT_HI_BUF_COUNT: + description: 'Number of high-priority event buffers.' + value: 2 + + BLE_HCI_EVT_LO_BUF_COUNT: + description: 'Number of low-priority event buffers.' + value: 8 + + BLE_HCI_EVT_BUF_SIZE: + description: 'Size of each event buffer, in bytes.' + value: 70 + + BLE_ACL_BUF_COUNT: + description: 'The number of ACL data buffers' + value: 4 + + BLE_ACL_BUF_SIZE: + description: > + This is the maximum size of the data portion of HCI ACL data + packets. It does not include the HCI data header (of 4 bytes). + value: 255 + + BLE_TRANS_RAM_SYSINIT_STAGE: + description: > + Sysinit stage for the RAM BLE transport. + value: 100 + +syscfg.vals.BLE_EXT_ADV: + BLE_HCI_EVT_BUF_SIZE: 257 |