diff options
Diffstat (limited to 'src/libs/mynewt-nimble/nimble/host/services/gatt')
4 files changed, 206 insertions, 0 deletions
diff --git a/src/libs/mynewt-nimble/nimble/host/services/gatt/include/services/gatt/ble_svc_gatt.h b/src/libs/mynewt-nimble/nimble/host/services/gatt/include/services/gatt/ble_svc_gatt.h new file mode 100644 index 00000000..06c44784 --- /dev/null +++ b/src/libs/mynewt-nimble/nimble/host/services/gatt/include/services/gatt/ble_svc_gatt.h @@ -0,0 +1,40 @@ +/* + * 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_SVC_GATT_ +#define H_BLE_SVC_GATT_ + +#include <inttypes.h> + +#ifdef __cplusplus +extern "C" { +#endif + +struct ble_hs_cfg; + +#define BLE_SVC_GATT_CHR_SERVICE_CHANGED_UUID16 0x2a05 + +void ble_svc_gatt_changed(uint16_t start_handle, uint16_t end_handle); +void ble_svc_gatt_init(void); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/src/libs/mynewt-nimble/nimble/host/services/gatt/pkg.yml b/src/libs/mynewt-nimble/nimble/host/services/gatt/pkg.yml new file mode 100644 index 00000000..e3704bc1 --- /dev/null +++ b/src/libs/mynewt-nimble/nimble/host/services/gatt/pkg.yml @@ -0,0 +1,34 @@ +# +# 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/host/services/gatt +pkg.description: Implements the GATT service. +pkg.author: "Apache Mynewt <dev@mynewt.apache.org>" +pkg.homepage: "http://mynewt.apache.org/" +pkg.keywords: + - ble + - bluetooth + - nimble + - gatt + +pkg.deps: + - nimble/host + +pkg.init: + ble_svc_gatt_init: 'MYNEWT_VAL(BLE_SVC_GATT_SYSINIT_STAGE)' diff --git a/src/libs/mynewt-nimble/nimble/host/services/gatt/src/ble_svc_gatt.c b/src/libs/mynewt-nimble/nimble/host/services/gatt/src/ble_svc_gatt.c new file mode 100644 index 00000000..78b4a068 --- /dev/null +++ b/src/libs/mynewt-nimble/nimble/host/services/gatt/src/ble_svc_gatt.c @@ -0,0 +1,108 @@ +/* + * 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 "sysinit/sysinit.h" +#include "host/ble_hs.h" +#include "services/gatt/ble_svc_gatt.h" + +static uint16_t ble_svc_gatt_changed_val_handle; +static uint16_t ble_svc_gatt_start_handle; +static uint16_t ble_svc_gatt_end_handle; + +static int +ble_svc_gatt_access(uint16_t conn_handle, uint16_t attr_handle, + struct ble_gatt_access_ctxt *ctxt, void *arg); + +static const struct ble_gatt_svc_def ble_svc_gatt_defs[] = { + { + /*** Service: GATT */ + .type = BLE_GATT_SVC_TYPE_PRIMARY, + .uuid = BLE_UUID16_DECLARE(BLE_GATT_SVC_UUID16), + .characteristics = (struct ble_gatt_chr_def[]) { { + .uuid = BLE_UUID16_DECLARE(BLE_SVC_GATT_CHR_SERVICE_CHANGED_UUID16), + .access_cb = ble_svc_gatt_access, + .val_handle = &ble_svc_gatt_changed_val_handle, + .flags = BLE_GATT_CHR_F_INDICATE, + }, { + 0, /* No more characteristics in this service. */ + } }, + }, + + { + 0, /* No more services. */ + }, +}; + +static int +ble_svc_gatt_access(uint16_t conn_handle, uint16_t attr_handle, + struct ble_gatt_access_ctxt *ctxt, void *arg) +{ + uint8_t *u8p; + + /* The only operation allowed for this characteristic is indicate. This + * access callback gets called by the stack when it needs to read the + * characteristic value to populate the outgoing indication command. + * Therefore, this callback should only get called during an attempt to + * read the characteristic. + */ + assert(ctxt->op == BLE_GATT_ACCESS_OP_READ_CHR); + assert(ctxt->chr == &ble_svc_gatt_defs[0].characteristics[0]); + + u8p = os_mbuf_extend(ctxt->om, 4); + if (u8p == NULL) { + return BLE_HS_ENOMEM; + } + + put_le16(u8p + 0, ble_svc_gatt_start_handle); + put_le16(u8p + 2, ble_svc_gatt_end_handle); + + return 0; +} + +/** + * Indicates a change in attribute assignment to all subscribed peers. + * Unconnected bonded peers receive an indication when they next connect. + * + * @param start_handle The start of the affected handle range. + * @param end_handle The end of the affected handle range. + */ +void +ble_svc_gatt_changed(uint16_t start_handle, uint16_t end_handle) +{ + ble_svc_gatt_start_handle = start_handle; + ble_svc_gatt_end_handle = end_handle; + ble_gatts_chr_updated(ble_svc_gatt_changed_val_handle); +} + +void +ble_svc_gatt_init(void) +{ + int rc; + + /* Ensure this function only gets called by sysinit. */ + SYSINIT_ASSERT_ACTIVE(); + + rc = ble_gatts_count_cfg(ble_svc_gatt_defs); + SYSINIT_PANIC_ASSERT(rc == 0); + + rc = ble_gatts_add_svcs(ble_svc_gatt_defs); + SYSINIT_PANIC_ASSERT(rc == 0); +} diff --git a/src/libs/mynewt-nimble/nimble/host/services/gatt/syscfg.yml b/src/libs/mynewt-nimble/nimble/host/services/gatt/syscfg.yml new file mode 100644 index 00000000..6ba1b333 --- /dev/null +++ b/src/libs/mynewt-nimble/nimble/host/services/gatt/syscfg.yml @@ -0,0 +1,24 @@ +# +# 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_SVC_GATT_SYSINIT_STAGE: + description: > + Sysinit stage for the GATT BLE service + value: 302 |