| /****************************************************************************** |
| * |
| * Copyright (C) 2009-2013 Broadcom Corporation |
| * |
| * 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. |
| * |
| ******************************************************************************/ |
| #include "bt_target.h" |
| |
| #include <string.h> |
| #include "bt_utils.h" |
| #include "btcore/include/uuid.h" |
| #include "btm_int.h" |
| #include "gap_api.h" |
| #include "gap_int.h" |
| #include "gatt_api.h" |
| #include "gatt_int.h" |
| #include "gattdefs.h" |
| #include "hcimsgs.h" |
| #include "osi/include/osi.h" |
| |
| #define GAP_CHAR_ICON_SIZE 2 |
| #define GAP_CHAR_DEV_NAME_SIZE 248 |
| #define GAP_MAX_NUM_INC_SVR 0 |
| #define GAP_MAX_ATTR_NUM (2 * GAP_MAX_CHAR_NUM + GAP_MAX_NUM_INC_SVR + 1) |
| #define GAP_MAX_CHAR_VALUE_SIZE (30 + GAP_CHAR_DEV_NAME_SIZE) |
| |
| #ifndef GAP_ATTR_DB_SIZE |
| #define GAP_ATTR_DB_SIZE \ |
| GATT_DB_MEM_SIZE(GAP_MAX_NUM_INC_SVR, GAP_MAX_CHAR_NUM, \ |
| GAP_MAX_CHAR_VALUE_SIZE) |
| #endif |
| |
| static void gap_ble_s_attr_request_cback(uint16_t conn_id, uint32_t trans_id, |
| tGATTS_REQ_TYPE op_code, |
| tGATTS_DATA* p_data); |
| |
| /* client connection callback */ |
| static void gap_ble_c_connect_cback(tGATT_IF gatt_if, BD_ADDR bda, |
| uint16_t conn_id, bool connected, |
| tGATT_DISCONN_REASON reason, |
| tGATT_TRANSPORT transport); |
| static void gap_ble_c_cmpl_cback(uint16_t conn_id, tGATTC_OPTYPE op, |
| tGATT_STATUS status, |
| tGATT_CL_COMPLETE* p_data); |
| |
| static tGATT_CBACK gap_cback = {gap_ble_c_connect_cback, |
| gap_ble_c_cmpl_cback, |
| NULL, |
| NULL, |
| gap_ble_s_attr_request_cback, |
| NULL, |
| NULL, |
| NULL, |
| NULL}; |
| |
| /******************************************************************************* |
| * |
| * Function gap_find_clcb_by_bd_addr |
| * |
| * Description The function searches all LCB with macthing bd address |
| * |
| * Returns total number of clcb found. |
| * |
| ******************************************************************************/ |
| tGAP_CLCB* gap_find_clcb_by_bd_addr(BD_ADDR bda) { |
| uint8_t i_clcb; |
| tGAP_CLCB* p_clcb = NULL; |
| |
| for (i_clcb = 0, p_clcb = gap_cb.clcb; i_clcb < GAP_MAX_CL; |
| i_clcb++, p_clcb++) { |
| if (p_clcb->in_use && !memcmp(p_clcb->bda, bda, BD_ADDR_LEN)) { |
| return p_clcb; |
| } |
| } |
| |
| return NULL; |
| } |
| |
| /* returns LCB with matching connection ID, or NULL if not found */ |
| tGAP_CLCB* gap_ble_find_clcb_by_conn_id(uint16_t conn_id) { |
| uint8_t i_clcb; |
| tGAP_CLCB* p_clcb = NULL; |
| |
| for (i_clcb = 0, p_clcb = gap_cb.clcb; i_clcb < GAP_MAX_CL; |
| i_clcb++, p_clcb++) { |
| if (p_clcb->in_use && p_clcb->connected && p_clcb->conn_id == conn_id) { |
| return p_clcb; |
| } |
| } |
| |
| return NULL; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function gap_clcb_alloc |
| * |
| * Description The function allocates a GAP connection link control block |
| * |
| * Returns NULL if not found. Otherwise pointer to the connection link |
| * block. |
| * |
| ******************************************************************************/ |
| tGAP_CLCB* gap_clcb_alloc(BD_ADDR bda) { |
| uint8_t i_clcb = 0; |
| tGAP_CLCB* p_clcb = NULL; |
| |
| for (i_clcb = 0, p_clcb = gap_cb.clcb; i_clcb < GAP_MAX_CL; |
| i_clcb++, p_clcb++) { |
| if (!p_clcb->in_use) { |
| fixed_queue_free(p_clcb->pending_req_q, NULL); |
| memset(p_clcb, 0, sizeof(tGAP_CLCB)); |
| p_clcb->in_use = true; |
| memcpy(p_clcb->bda, bda, BD_ADDR_LEN); |
| p_clcb->pending_req_q = fixed_queue_new(SIZE_MAX); |
| return p_clcb; |
| } |
| } |
| return NULL; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function gap_ble_dealloc_clcb |
| * |
| * Description The function clean up the pending request queue in GAP |
| * |
| * Returns none |
| * |
| ******************************************************************************/ |
| void gap_ble_dealloc_clcb(tGAP_CLCB* p_clcb) { |
| tGAP_BLE_REQ* p_q; |
| |
| while ((p_q = (tGAP_BLE_REQ*)fixed_queue_try_dequeue( |
| p_clcb->pending_req_q)) != NULL) { |
| /* send callback to all pending requests if being removed*/ |
| if (p_q->p_cback != NULL) (*p_q->p_cback)(false, p_clcb->bda, 0, NULL); |
| |
| osi_free(p_q); |
| } |
| fixed_queue_free(p_clcb->pending_req_q, NULL); |
| |
| memset(p_clcb, 0, sizeof(tGAP_CLCB)); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function gap_ble_enqueue_request |
| * |
| * Description The function enqueue a GAP client request |
| * |
| * Returns true is successul; false otherwise |
| * |
| ******************************************************************************/ |
| bool gap_ble_enqueue_request(tGAP_CLCB* p_clcb, uint16_t uuid, |
| tGAP_BLE_CMPL_CBACK* p_cback) { |
| tGAP_BLE_REQ* p_q = (tGAP_BLE_REQ*)osi_malloc(sizeof(tGAP_BLE_REQ)); |
| |
| p_q->p_cback = p_cback; |
| p_q->uuid = uuid; |
| fixed_queue_enqueue(p_clcb->pending_req_q, p_q); |
| |
| return true; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function gap_ble_dequeue_request |
| * |
| * Description The function dequeue a GAP client request if any |
| * |
| * Returns true is successul; false otherwise |
| * |
| ******************************************************************************/ |
| bool gap_ble_dequeue_request(tGAP_CLCB* p_clcb, uint16_t* p_uuid, |
| tGAP_BLE_CMPL_CBACK** p_cback) { |
| tGAP_BLE_REQ* p_q = |
| (tGAP_BLE_REQ*)fixed_queue_try_dequeue(p_clcb->pending_req_q); |
| ; |
| |
| if (p_q != NULL) { |
| *p_cback = p_q->p_cback; |
| *p_uuid = p_q->uuid; |
| osi_free(p_q); |
| return true; |
| } |
| |
| return false; |
| } |
| |
| /******************************************************************************* |
| * GAP Attributes Database Request callback |
| ******************************************************************************/ |
| tGATT_STATUS gap_read_attr_value(uint16_t handle, tGATT_VALUE* p_value, |
| bool is_long) { |
| tGAP_ATTR* p_db_attr = gap_cb.gatt_attr; |
| uint8_t *p = p_value->value, i; |
| uint16_t offset = p_value->offset; |
| uint8_t* p_dev_name = NULL; |
| |
| for (i = 0; i < GAP_MAX_CHAR_NUM; i++, p_db_attr++) { |
| if (handle == p_db_attr->handle) { |
| if (p_db_attr->uuid != GATT_UUID_GAP_DEVICE_NAME && is_long == true) |
| return GATT_NOT_LONG; |
| |
| switch (p_db_attr->uuid) { |
| case GATT_UUID_GAP_DEVICE_NAME: |
| BTM_ReadLocalDeviceName((char**)&p_dev_name); |
| if (strlen((char*)p_dev_name) > GATT_MAX_ATTR_LEN) |
| p_value->len = GATT_MAX_ATTR_LEN; |
| else |
| p_value->len = (uint16_t)strlen((char*)p_dev_name); |
| |
| if (offset > p_value->len) |
| return GATT_INVALID_OFFSET; |
| else { |
| p_value->len -= offset; |
| p_dev_name += offset; |
| ARRAY_TO_STREAM(p, p_dev_name, p_value->len); |
| GAP_TRACE_EVENT("GATT_UUID_GAP_DEVICE_NAME len=0x%04x", |
| p_value->len); |
| } |
| break; |
| |
| case GATT_UUID_GAP_ICON: |
| UINT16_TO_STREAM(p, p_db_attr->attr_value.icon); |
| p_value->len = 2; |
| break; |
| |
| case GATT_UUID_GAP_PREF_CONN_PARAM: |
| UINT16_TO_STREAM( |
| p, p_db_attr->attr_value.conn_param.int_min); /* int_min */ |
| UINT16_TO_STREAM( |
| p, p_db_attr->attr_value.conn_param.int_max); /* int_max */ |
| UINT16_TO_STREAM( |
| p, p_db_attr->attr_value.conn_param.latency); /* latency */ |
| UINT16_TO_STREAM( |
| p, p_db_attr->attr_value.conn_param.sp_tout); /* sp_tout */ |
| p_value->len = 8; |
| break; |
| |
| /* address resolution */ |
| case GATT_UUID_GAP_CENTRAL_ADDR_RESOL: |
| UINT8_TO_STREAM(p, p_db_attr->attr_value.addr_resolution); |
| p_value->len = 1; |
| break; |
| } |
| return GATT_SUCCESS; |
| } |
| } |
| return GATT_NOT_FOUND; |
| } |
| |
| /******************************************************************************* |
| * GAP Attributes Database Read/Read Blob Request process |
| ******************************************************************************/ |
| tGATT_STATUS gap_proc_read(UNUSED_ATTR tGATTS_REQ_TYPE type, |
| tGATT_READ_REQ* p_data, tGATTS_RSP* p_rsp) { |
| tGATT_STATUS status = GATT_NO_RESOURCES; |
| |
| if (p_data->is_long) p_rsp->attr_value.offset = p_data->offset; |
| |
| p_rsp->attr_value.handle = p_data->handle; |
| |
| status = |
| gap_read_attr_value(p_data->handle, &p_rsp->attr_value, p_data->is_long); |
| |
| return status; |
| } |
| |
| /****************************************************************************** |
| * |
| * Function gap_proc_write_req |
| * |
| * Description GAP ATT server process a write request. |
| * |
| * Returns void. |
| * |
| ******************************************************************************/ |
| uint8_t gap_proc_write_req(UNUSED_ATTR tGATTS_REQ_TYPE type, |
| tGATT_WRITE_REQ* p_data) { |
| tGAP_ATTR* p_db_attr = gap_cb.gatt_attr; |
| uint8_t i; |
| |
| for (i = 0; i < GAP_MAX_CHAR_NUM; i++, p_db_attr++) { |
| if (p_data->handle == p_db_attr->handle) { |
| return GATT_WRITE_NOT_PERMIT; |
| } |
| } |
| return GATT_NOT_FOUND; |
| } |
| |
| /****************************************************************************** |
| * |
| * Function gap_ble_s_attr_request_cback |
| * |
| * Description GAP ATT server attribute access request callback. |
| * |
| * Returns void. |
| * |
| ******************************************************************************/ |
| void gap_ble_s_attr_request_cback(uint16_t conn_id, uint32_t trans_id, |
| tGATTS_REQ_TYPE type, tGATTS_DATA* p_data) { |
| uint8_t status = GATT_INVALID_PDU; |
| tGATTS_RSP rsp_msg; |
| bool ignore = false; |
| |
| GAP_TRACE_EVENT("gap_ble_s_attr_request_cback : recv type (0x%02x)", type); |
| |
| memset(&rsp_msg, 0, sizeof(tGATTS_RSP)); |
| |
| switch (type) { |
| case GATTS_REQ_TYPE_READ_CHARACTERISTIC: |
| case GATTS_REQ_TYPE_READ_DESCRIPTOR: |
| status = gap_proc_read(type, &p_data->read_req, &rsp_msg); |
| break; |
| |
| case GATTS_REQ_TYPE_WRITE_CHARACTERISTIC: |
| case GATTS_REQ_TYPE_WRITE_DESCRIPTOR: |
| if (!p_data->write_req.need_rsp) ignore = true; |
| |
| status = gap_proc_write_req(type, &p_data->write_req); |
| break; |
| |
| case GATTS_REQ_TYPE_WRITE_EXEC: |
| ignore = true; |
| GAP_TRACE_EVENT("Ignore GATTS_REQ_TYPE_WRITE_EXEC"); |
| break; |
| |
| case GATTS_REQ_TYPE_MTU: |
| GAP_TRACE_EVENT("Get MTU exchange new mtu size: %d", p_data->mtu); |
| ignore = true; |
| break; |
| |
| default: |
| GAP_TRACE_EVENT("Unknown/unexpected LE GAP ATT request: 0x%02x", type); |
| break; |
| } |
| |
| if (!ignore) GATTS_SendRsp(conn_id, trans_id, status, &rsp_msg); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function btm_ble_att_db_init |
| * |
| * Description GAP ATT database initalization. |
| * |
| * Returns void. |
| * |
| ******************************************************************************/ |
| void gap_attr_db_init(void) { |
| tBT_UUID app_uuid = {LEN_UUID_128, {0}}; |
| uint16_t service_handle; |
| |
| /* Fill our internal UUID with a fixed pattern 0x82 */ |
| memset(&app_uuid.uu.uuid128, 0x82, LEN_UUID_128); |
| memset(gap_cb.gatt_attr, 0, sizeof(tGAP_ATTR) * GAP_MAX_CHAR_NUM); |
| |
| gap_cb.gatt_if = GATT_Register(&app_uuid, &gap_cback); |
| |
| GATT_StartIf(gap_cb.gatt_if); |
| |
| bt_uuid_t svc_uuid, name_uuid, icon_uuid, pref_uuid, addr_res_uuid; |
| uuid_128_from_16(&svc_uuid, UUID_SERVCLASS_GAP_SERVER); |
| uuid_128_from_16(&name_uuid, GATT_UUID_GAP_DEVICE_NAME); |
| uuid_128_from_16(&icon_uuid, GATT_UUID_GAP_ICON); |
| uuid_128_from_16(&pref_uuid, GATT_UUID_GAP_PREF_CONN_PARAM); |
| uuid_128_from_16(&addr_res_uuid, GATT_UUID_GAP_CENTRAL_ADDR_RESOL); |
| |
| btgatt_db_element_t service[] = { |
| {.type = BTGATT_DB_PRIMARY_SERVICE, .uuid = svc_uuid}, |
| {.type = BTGATT_DB_CHARACTERISTIC, |
| .uuid = name_uuid, |
| .properties = GATT_CHAR_PROP_BIT_READ, |
| .permissions = GATT_PERM_READ}, |
| {.type = BTGATT_DB_CHARACTERISTIC, |
| .uuid = icon_uuid, |
| .properties = GATT_CHAR_PROP_BIT_READ, |
| .permissions = GATT_PERM_READ}, |
| {.type = BTGATT_DB_CHARACTERISTIC, |
| .uuid = addr_res_uuid, |
| .properties = GATT_CHAR_PROP_BIT_READ, |
| .permissions = GATT_PERM_READ} |
| #if (BTM_PERIPHERAL_ENABLED == TRUE) /* Only needed for peripheral testing */ |
| , |
| {.type = BTGATT_DB_CHARACTERISTIC, |
| .uuid = pref_uuid, |
| .properties = GATT_CHAR_PROP_BIT_READ, |
| .permissions = GATT_PERM_READ} |
| #endif |
| }; |
| |
| /* Add a GAP service */ |
| GATTS_AddService(gap_cb.gatt_if, service, |
| sizeof(service) / sizeof(btgatt_db_element_t)); |
| service_handle = service[0].attribute_handle; |
| |
| GAP_TRACE_EVENT("%s: service_handle = %d", __func__, service_handle); |
| |
| gap_cb.gatt_attr[0].uuid = GATT_UUID_GAP_DEVICE_NAME; |
| gap_cb.gatt_attr[0].handle = service[1].attribute_handle; |
| |
| gap_cb.gatt_attr[1].uuid = GATT_UUID_GAP_ICON; |
| gap_cb.gatt_attr[1].handle = service[2].attribute_handle; |
| |
| gap_cb.gatt_attr[2].uuid = GATT_UUID_GAP_CENTRAL_ADDR_RESOL; |
| gap_cb.gatt_attr[2].handle = service[3].attribute_handle; |
| gap_cb.gatt_attr[2].attr_value.addr_resolution = 0; |
| |
| #if (BTM_PERIPHERAL_ENABLED == TRUE) /* Only needed for peripheral testing */ |
| |
| gap_cb.gatt_attr[3].uuid = GATT_UUID_GAP_PREF_CONN_PARAM; |
| gap_cb.gatt_attr[3].attr_value.conn_param.int_max = |
| GAP_PREFER_CONN_INT_MAX; /* 6 */ |
| gap_cb.gatt_attr[3].attr_value.conn_param.int_min = |
| GAP_PREFER_CONN_INT_MIN; /* 0 */ |
| gap_cb.gatt_attr[3].attr_value.conn_param.latency = |
| GAP_PREFER_CONN_LATENCY; /* 0 */ |
| gap_cb.gatt_attr[3].attr_value.conn_param.sp_tout = |
| GAP_PREFER_CONN_SP_TOUT; /* 2000 */ |
| gap_cb.gatt_attr[3].handle = service[4].attribute_handle; |
| #endif |
| } |
| |
| /******************************************************************************* |
| * |
| * Function GAP_BleAttrDBUpdate |
| * |
| * Description GAP ATT database update. |
| * |
| * Returns void. |
| * |
| ******************************************************************************/ |
| void GAP_BleAttrDBUpdate(uint16_t attr_uuid, tGAP_BLE_ATTR_VALUE* p_value) { |
| tGAP_ATTR* p_db_attr = gap_cb.gatt_attr; |
| uint8_t i = 0; |
| |
| GAP_TRACE_EVENT("GAP_BleAttrDBUpdate attr_uuid=0x%04x", attr_uuid); |
| |
| for (i = 0; i < GAP_MAX_CHAR_NUM; i++, p_db_attr++) { |
| if (p_db_attr->uuid == attr_uuid) { |
| GAP_TRACE_EVENT("Found attr_uuid=0x%04x", attr_uuid); |
| |
| switch (attr_uuid) { |
| case GATT_UUID_GAP_ICON: |
| p_db_attr->attr_value.icon = p_value->icon; |
| break; |
| |
| case GATT_UUID_GAP_PREF_CONN_PARAM: |
| memcpy((void*)&p_db_attr->attr_value.conn_param, |
| (const void*)&p_value->conn_param, |
| sizeof(tGAP_BLE_PREF_PARAM)); |
| break; |
| |
| case GATT_UUID_GAP_DEVICE_NAME: |
| BTM_SetLocalDeviceName((char*)p_value->p_dev_name); |
| break; |
| |
| case GATT_UUID_GAP_CENTRAL_ADDR_RESOL: |
| p_db_attr->attr_value.addr_resolution = p_value->addr_resolution; |
| break; |
| } |
| break; |
| } |
| } |
| |
| return; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function gap_ble_send_cl_read_request |
| * |
| * Description utility function to send a read request for a GAP |
| * charactersitic |
| * |
| * Returns true if read started, else false if GAP is busy |
| * |
| ******************************************************************************/ |
| bool gap_ble_send_cl_read_request(tGAP_CLCB* p_clcb) { |
| tGATT_READ_PARAM param; |
| uint16_t uuid = 0; |
| bool started = false; |
| |
| if (gap_ble_dequeue_request(p_clcb, &uuid, &p_clcb->p_cback)) { |
| memset(¶m, 0, sizeof(tGATT_READ_PARAM)); |
| |
| param.service.uuid.len = LEN_UUID_16; |
| param.service.uuid.uu.uuid16 = uuid; |
| param.service.s_handle = 1; |
| param.service.e_handle = 0xFFFF; |
| param.service.auth_req = 0; |
| |
| if (GATTC_Read(p_clcb->conn_id, GATT_READ_BY_TYPE, ¶m) == |
| GATT_SUCCESS) { |
| p_clcb->cl_op_uuid = uuid; |
| started = true; |
| } |
| } |
| |
| return started; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function gap_ble_cl_op_cmpl |
| * |
| * Description GAP client operation complete callback |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void gap_ble_cl_op_cmpl(tGAP_CLCB* p_clcb, bool status, uint16_t len, |
| uint8_t* p_name) { |
| tGAP_BLE_CMPL_CBACK* p_cback = p_clcb->p_cback; |
| uint16_t op = p_clcb->cl_op_uuid; |
| |
| GAP_TRACE_EVENT("gap_ble_cl_op_cmpl status: %d", status); |
| |
| p_clcb->cl_op_uuid = 0; |
| p_clcb->p_cback = NULL; |
| |
| if (p_cback && op) { |
| GAP_TRACE_EVENT("calling gap_ble_cl_op_cmpl"); |
| (*p_cback)(status, p_clcb->bda, len, (char*)p_name); |
| } |
| |
| /* if no further activity is requested in callback, drop the link */ |
| if (p_clcb->connected) { |
| if (!gap_ble_send_cl_read_request(p_clcb)) { |
| gap_ble_dealloc_clcb(p_clcb); |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function gap_ble_c_connect_cback |
| * |
| * Description Client connection callback. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| static void gap_ble_c_connect_cback(UNUSED_ATTR tGATT_IF gatt_if, BD_ADDR bda, |
| uint16_t conn_id, bool connected, |
| tGATT_DISCONN_REASON reason, |
| UNUSED_ATTR tGATT_TRANSPORT transport) { |
| tGAP_CLCB* p_clcb = gap_find_clcb_by_bd_addr(bda); |
| |
| if (p_clcb != NULL) { |
| if (connected) { |
| p_clcb->conn_id = conn_id; |
| p_clcb->connected = true; |
| /* start operation is pending */ |
| gap_ble_send_cl_read_request(p_clcb); |
| } else { |
| p_clcb->connected = false; |
| gap_ble_cl_op_cmpl(p_clcb, false, 0, NULL); |
| /* clean up clcb */ |
| gap_ble_dealloc_clcb(p_clcb); |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function gap_ble_c_cmpl_cback |
| * |
| * Description Client operation complete callback. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| static void gap_ble_c_cmpl_cback(uint16_t conn_id, tGATTC_OPTYPE op, |
| tGATT_STATUS status, tGATT_CL_COMPLETE* p_data) |
| |
| { |
| tGAP_CLCB* p_clcb = gap_ble_find_clcb_by_conn_id(conn_id); |
| uint16_t op_type; |
| uint16_t min, max, latency, tout; |
| uint16_t len; |
| uint8_t* pp; |
| |
| if (p_clcb == NULL) return; |
| |
| op_type = p_clcb->cl_op_uuid; |
| |
| GAP_TRACE_EVENT( |
| "gap_ble_c_cmpl_cback() - op_code: 0x%02x status: 0x%02x read_type: " |
| "0x%04x", |
| op, status, op_type); |
| /* Currently we only issue read commands */ |
| if (op != GATTC_OPTYPE_READ) return; |
| |
| if (status != GATT_SUCCESS) { |
| gap_ble_cl_op_cmpl(p_clcb, false, 0, NULL); |
| return; |
| } |
| |
| pp = p_data->att_value.value; |
| |
| switch (op_type) { |
| case GATT_UUID_GAP_PREF_CONN_PARAM: |
| GAP_TRACE_EVENT("GATT_UUID_GAP_PREF_CONN_PARAM"); |
| /* Extract the peripheral preferred connection parameters and save them */ |
| |
| STREAM_TO_UINT16(min, pp); |
| STREAM_TO_UINT16(max, pp); |
| STREAM_TO_UINT16(latency, pp); |
| STREAM_TO_UINT16(tout, pp); |
| |
| BTM_BleSetPrefConnParams(p_clcb->bda, min, max, latency, tout); |
| /* release the connection here */ |
| gap_ble_cl_op_cmpl(p_clcb, true, 0, NULL); |
| break; |
| |
| case GATT_UUID_GAP_DEVICE_NAME: |
| GAP_TRACE_EVENT("GATT_UUID_GAP_DEVICE_NAME"); |
| len = (uint16_t)strlen((char*)pp); |
| if (len > GAP_CHAR_DEV_NAME_SIZE) len = GAP_CHAR_DEV_NAME_SIZE; |
| gap_ble_cl_op_cmpl(p_clcb, true, len, pp); |
| break; |
| |
| case GATT_UUID_GAP_CENTRAL_ADDR_RESOL: |
| gap_ble_cl_op_cmpl(p_clcb, true, 1, pp); |
| break; |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function gap_ble_accept_cl_operation |
| * |
| * Description Start a process to read peer address resolution capability |
| * |
| * Returns true if request accepted |
| * |
| ******************************************************************************/ |
| bool gap_ble_accept_cl_operation(BD_ADDR peer_bda, uint16_t uuid, |
| tGAP_BLE_CMPL_CBACK* p_cback) { |
| tGAP_CLCB* p_clcb; |
| bool started = false; |
| |
| if (p_cback == NULL && uuid != GATT_UUID_GAP_PREF_CONN_PARAM) |
| return (started); |
| |
| p_clcb = gap_find_clcb_by_bd_addr(peer_bda); |
| if (p_clcb == NULL) { |
| p_clcb = gap_clcb_alloc(peer_bda); |
| if (p_clcb == NULL) { |
| GAP_TRACE_ERROR("gap_ble_accept_cl_operation max connection reached"); |
| return started; |
| } |
| } |
| |
| GAP_TRACE_EVENT("%s() - BDA: %08x%04x cl_op_uuid: 0x%04x", __func__, |
| (peer_bda[0] << 24) + (peer_bda[1] << 16) + |
| (peer_bda[2] << 8) + peer_bda[3], |
| (peer_bda[4] << 8) + peer_bda[5], uuid); |
| |
| if (GATT_GetConnIdIfConnected(gap_cb.gatt_if, peer_bda, &p_clcb->conn_id, |
| BT_TRANSPORT_LE)) |
| p_clcb->connected = true; |
| |
| /* hold the link here */ |
| if (!GATT_Connect(gap_cb.gatt_if, p_clcb->bda, true, BT_TRANSPORT_LE, false)) |
| return started; |
| |
| /* enqueue the request */ |
| gap_ble_enqueue_request(p_clcb, uuid, p_cback); |
| |
| if (p_clcb->connected && p_clcb->cl_op_uuid == 0) |
| started = gap_ble_send_cl_read_request(p_clcb); |
| else /* wait for connection up or pending operation to finish */ |
| started = true; |
| |
| return started; |
| } |
| /******************************************************************************* |
| * |
| * Function GAP_BleReadPeerPrefConnParams |
| * |
| * Description Start a process to read a connected peripheral's preferred |
| * connection parameters |
| * |
| * Returns true if read started, else false if GAP is busy |
| * |
| ******************************************************************************/ |
| bool GAP_BleReadPeerPrefConnParams(BD_ADDR peer_bda) { |
| return gap_ble_accept_cl_operation(peer_bda, GATT_UUID_GAP_PREF_CONN_PARAM, |
| NULL); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function GAP_BleReadPeerDevName |
| * |
| * Description Start a process to read a connected peripheral's device |
| * name. |
| * |
| * Returns true if request accepted |
| * |
| ******************************************************************************/ |
| bool GAP_BleReadPeerDevName(BD_ADDR peer_bda, tGAP_BLE_CMPL_CBACK* p_cback) { |
| return gap_ble_accept_cl_operation(peer_bda, GATT_UUID_GAP_DEVICE_NAME, |
| p_cback); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function GAP_BleReadPeerAddressResolutionCap |
| * |
| * Description Start a process to read peer address resolution capability |
| * |
| * Returns true if request accepted |
| * |
| ******************************************************************************/ |
| bool GAP_BleReadPeerAddressResolutionCap(BD_ADDR peer_bda, |
| tGAP_BLE_CMPL_CBACK* p_cback) { |
| return gap_ble_accept_cl_operation(peer_bda, GATT_UUID_GAP_CENTRAL_ADDR_RESOL, |
| p_cback); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function GAP_BleCancelReadPeerDevName |
| * |
| * Description Cancel reading a peripheral's device name. |
| * |
| * Returns true if request accepted |
| * |
| ******************************************************************************/ |
| bool GAP_BleCancelReadPeerDevName(BD_ADDR peer_bda) { |
| tGAP_CLCB* p_clcb = gap_find_clcb_by_bd_addr(peer_bda); |
| |
| GAP_TRACE_EVENT( |
| "GAP_BleCancelReadPeerDevName() - BDA: %08x%04x cl_op_uuid: 0x%04x", |
| (peer_bda[0] << 24) + (peer_bda[1] << 16) + (peer_bda[2] << 8) + |
| peer_bda[3], |
| (peer_bda[4] << 8) + peer_bda[5], |
| (p_clcb == NULL) ? 0 : p_clcb->cl_op_uuid); |
| |
| if (p_clcb == NULL) { |
| GAP_TRACE_ERROR("Cannot cancel current op is not get dev name"); |
| return false; |
| } |
| |
| if (!p_clcb->connected) { |
| if (!GATT_CancelConnect(gap_cb.gatt_if, peer_bda, true)) { |
| GAP_TRACE_ERROR("Cannot cancel where No connection id"); |
| return false; |
| } |
| } |
| |
| gap_ble_cl_op_cmpl(p_clcb, false, 0, NULL); |
| |
| return (true); |
| } |
