| /****************************************************************************** |
| * |
| * Copyright (C) 2010-2012 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. |
| * |
| ******************************************************************************/ |
| |
| /****************************************************************************** |
| * |
| * This is the implementation of the API for GATT module of BTA. |
| * |
| ******************************************************************************/ |
| |
| #include "bt_target.h" |
| |
| #if defined(BTA_GATT_INCLUDED) && (BTA_GATT_INCLUDED == TRUE) |
| |
| #include <string.h> |
| #include "bt_common.h" |
| #include "bta_sys.h" |
| #include "bta_gatt_api.h" |
| #include "bta_gattc_int.h" |
| |
| /***************************************************************************** |
| ** Constants |
| *****************************************************************************/ |
| |
| static const tBTA_SYS_REG bta_gattc_reg = |
| { |
| bta_gattc_hdl_event, |
| BTA_GATTC_Disable |
| }; |
| |
| |
| /******************************************************************************* |
| ** |
| ** Function BTA_GATTC_Disable |
| ** |
| ** Description This function is called to disable GATTC module |
| ** |
| ** Parameters None. |
| ** |
| ** Returns None |
| ** |
| *******************************************************************************/ |
| void BTA_GATTC_Disable(void) |
| { |
| if (bta_sys_is_register(BTA_ID_GATTC) == FALSE) |
| { |
| APPL_TRACE_WARNING("GATTC Module not enabled/already disabled"); |
| return; |
| } |
| |
| BT_HDR *p_buf = (BT_HDR *)osi_malloc(sizeof(BT_HDR)); |
| p_buf->event = BTA_GATTC_API_DISABLE_EVT; |
| |
| bta_sys_sendmsg(p_buf); |
| bta_sys_deregister(BTA_ID_GATTC); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTA_GATTC_AppRegister |
| ** |
| ** Description This function is called to register application callbacks |
| ** with BTA GATTC module. |
| ** |
| ** Parameters p_app_uuid - applicaiton UUID |
| ** p_client_cb - pointer to the application callback function. |
| ** |
| ** Returns None |
| ** |
| *******************************************************************************/ |
| void BTA_GATTC_AppRegister(tBT_UUID *p_app_uuid, tBTA_GATTC_CBACK *p_client_cb) |
| { |
| tBTA_GATTC_API_REG *p_buf = |
| (tBTA_GATTC_API_REG *)osi_malloc(sizeof(tBTA_GATTC_API_REG)); |
| |
| if (bta_sys_is_register(BTA_ID_GATTC) == FALSE) |
| bta_sys_register(BTA_ID_GATTC, &bta_gattc_reg); |
| |
| p_buf->hdr.event = BTA_GATTC_API_REG_EVT; |
| if (p_app_uuid != NULL) |
| memcpy(&p_buf->app_uuid, p_app_uuid, sizeof(tBT_UUID)); |
| p_buf->p_cback = p_client_cb; |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTA_GATTC_AppDeregister |
| ** |
| ** Description This function is called to deregister an application |
| ** from BTA GATTC module. |
| ** |
| ** Parameters client_if - client interface identifier. |
| ** |
| ** Returns None |
| ** |
| *******************************************************************************/ |
| void BTA_GATTC_AppDeregister(tBTA_GATTC_IF client_if) |
| { |
| tBTA_GATTC_API_DEREG *p_buf = |
| (tBTA_GATTC_API_DEREG *)osi_malloc(sizeof(tBTA_GATTC_API_DEREG)); |
| |
| p_buf->hdr.event = BTA_GATTC_API_DEREG_EVT; |
| p_buf->client_if = client_if; |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTA_GATTC_Open |
| ** |
| ** Description Open a direct connection or add a background auto connection |
| ** bd address |
| ** |
| ** Parameters client_if: server interface. |
| ** remote_bda: remote device BD address. |
| ** is_direct: direct connection or background auto connection |
| ** transport: Transport to be used for GATT connection (BREDR/LE) |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void BTA_GATTC_Open(tBTA_GATTC_IF client_if, BD_ADDR remote_bda, |
| BOOLEAN is_direct, tBTA_GATT_TRANSPORT transport) |
| { |
| tBTA_GATTC_API_OPEN *p_buf = |
| (tBTA_GATTC_API_OPEN *) osi_malloc(sizeof(tBTA_GATTC_API_OPEN)); |
| |
| p_buf->hdr.event = BTA_GATTC_API_OPEN_EVT; |
| p_buf->client_if = client_if; |
| p_buf->is_direct = is_direct; |
| p_buf->transport = transport; |
| memcpy(p_buf->remote_bda, remote_bda, BD_ADDR_LEN); |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTA_GATTC_CancelOpen |
| ** |
| ** Description Cancel a direct open connection or remove a background auto connection |
| ** bd address |
| ** |
| ** Parameters client_if: server interface. |
| ** remote_bda: remote device BD address. |
| ** is_direct: direct connection or background auto connection |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void BTA_GATTC_CancelOpen(tBTA_GATTC_IF client_if, BD_ADDR remote_bda, BOOLEAN is_direct) |
| { |
| tBTA_GATTC_API_CANCEL_OPEN *p_buf = |
| (tBTA_GATTC_API_CANCEL_OPEN *)osi_malloc(sizeof(tBTA_GATTC_API_CANCEL_OPEN)); |
| |
| p_buf->hdr.event = BTA_GATTC_API_CANCEL_OPEN_EVT; |
| p_buf->client_if = client_if; |
| p_buf->is_direct = is_direct; |
| memcpy(p_buf->remote_bda, remote_bda, BD_ADDR_LEN); |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTA_GATTC_Close |
| ** |
| ** Description Close a connection to a GATT server. |
| ** |
| ** Parameters conn_id: connectino ID to be closed. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void BTA_GATTC_Close(UINT16 conn_id) |
| { |
| BT_HDR *p_buf = (BT_HDR *)osi_malloc(sizeof(BT_HDR)); |
| |
| p_buf->event = BTA_GATTC_API_CLOSE_EVT; |
| p_buf->layer_specific = conn_id; |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTA_GATTC_ConfigureMTU |
| ** |
| ** Description Configure the MTU size in the GATT channel. This can be done |
| ** only once per connection. |
| ** |
| ** Parameters conn_id: connection ID. |
| ** mtu: desired MTU size to use. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void BTA_GATTC_ConfigureMTU (UINT16 conn_id, UINT16 mtu) |
| { |
| tBTA_GATTC_API_CFG_MTU *p_buf = |
| (tBTA_GATTC_API_CFG_MTU *)osi_malloc(sizeof(tBTA_GATTC_API_CFG_MTU)); |
| |
| p_buf->hdr.event = BTA_GATTC_API_CFG_MTU_EVT; |
| p_buf->hdr.layer_specific = conn_id; |
| p_buf->mtu = mtu; |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTA_GATTC_ServiceSearchRequest |
| ** |
| ** Description This function is called to request a GATT service discovery |
| ** on a GATT server. This function report service search result |
| ** by a callback event, and followed by a service search complete |
| ** event. |
| ** |
| ** Parameters conn_id: connection ID. |
| ** p_srvc_uuid: a UUID of the service application is interested in. |
| ** If Null, discover for all services. |
| ** |
| ** Returns None |
| ** |
| *******************************************************************************/ |
| void BTA_GATTC_ServiceSearchRequest (UINT16 conn_id, tBT_UUID *p_srvc_uuid) |
| { |
| const size_t len = sizeof(tBTA_GATTC_API_SEARCH) + sizeof(tBT_UUID); |
| tBTA_GATTC_API_SEARCH *p_buf = (tBTA_GATTC_API_SEARCH *)osi_calloc(len); |
| |
| p_buf->hdr.event = BTA_GATTC_API_SEARCH_EVT; |
| p_buf->hdr.layer_specific = conn_id; |
| if (p_srvc_uuid) { |
| p_buf->p_srvc_uuid = (tBT_UUID *)(p_buf + 1); |
| memcpy(p_buf->p_srvc_uuid, p_srvc_uuid, sizeof(tBT_UUID)); |
| } else { |
| p_buf->p_srvc_uuid = NULL; |
| } |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTA_GATTC_GetServices |
| ** |
| ** Description This function is called to find the services on the given server. |
| ** |
| ** Parameters conn_id: connection ID which identify the server. |
| ** |
| ** Returns returns list_t of tBTA_GATTC_SERVICE or NULL. |
| ** |
| *******************************************************************************/ |
| const list_t* BTA_GATTC_GetServices(UINT16 conn_id) { |
| return bta_gattc_get_services(conn_id); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTA_GATTC_GetCharacteristic |
| ** |
| ** Description This function is called to find the characteristic on the given server. |
| ** |
| ** Parameters conn_id - connection ID which identify the server. |
| ** handle - characteristic handle |
| ** |
| ** Returns returns pointer to tBTA_GATTC_CHARACTERISTIC or NULL. |
| ** |
| *******************************************************************************/ |
| const tBTA_GATTC_CHARACTERISTIC* BTA_GATTC_GetCharacteristic(UINT16 conn_id, UINT16 handle) { |
| return bta_gattc_get_characteristic(conn_id, handle); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTA_GATTC_GetDescriptor |
| ** |
| ** Description This function is called to find the characteristic on the given server. |
| ** |
| ** Parameters conn_id - connection ID which identify the server. |
| ** handle - descriptor handle |
| ** |
| ** Returns returns pointer to tBTA_GATTC_DESCRIPTOR or NULL. |
| ** |
| *******************************************************************************/ |
| const tBTA_GATTC_DESCRIPTOR* BTA_GATTC_GetDescriptor(UINT16 conn_id, UINT16 handle) { |
| return bta_gattc_get_descriptor(conn_id, handle); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTA_GATTC_GetGattDb |
| ** |
| ** Description This function is called to get the GATT database. |
| ** |
| ** Parameters conn_id: connection ID which identify the server. |
| ** db: output parameter which will contain the GATT database copy. |
| ** Caller is responsible for freeing it. |
| ** count: number of elements in database. |
| ** |
| *******************************************************************************/ |
| void BTA_GATTC_GetGattDb(UINT16 conn_id, UINT16 start_handle, UINT16 end_handle, |
| btgatt_db_element_t **db, int *count) |
| { |
| bta_gattc_get_gatt_db(conn_id, start_handle, end_handle, db, count); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTA_GATTC_ReadCharacteristic |
| ** |
| ** Description This function is called to read a characteristics value |
| ** |
| ** Parameters conn_id - connection ID. |
| ** handle - characteritic handle to read. |
| ** |
| ** Returns None |
| ** |
| *******************************************************************************/ |
| void BTA_GATTC_ReadCharacteristic(UINT16 conn_id, UINT16 handle, tBTA_GATT_AUTH_REQ auth_req) |
| { |
| tBTA_GATTC_API_READ *p_buf = |
| (tBTA_GATTC_API_READ *)osi_calloc(sizeof(tBTA_GATTC_API_READ)); |
| |
| p_buf->hdr.event = BTA_GATTC_API_READ_EVT; |
| p_buf->hdr.layer_specific = conn_id; |
| p_buf->auth_req = auth_req; |
| p_buf->handle = handle; |
| p_buf->cmpl_evt = BTA_GATTC_READ_CHAR_EVT; |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTA_GATTC_ReadCharDescr |
| ** |
| ** Description This function is called to read a descriptor value. |
| ** |
| ** Parameters conn_id - connection ID. |
| ** handle - descriptor handle to read. |
| ** |
| ** Returns None |
| ** |
| *******************************************************************************/ |
| void BTA_GATTC_ReadCharDescr (UINT16 conn_id, UINT16 handle, tBTA_GATT_AUTH_REQ auth_req) |
| { |
| tBTA_GATTC_API_READ *p_buf = |
| (tBTA_GATTC_API_READ *)osi_calloc(sizeof(tBTA_GATTC_API_READ)); |
| |
| p_buf->hdr.event = BTA_GATTC_API_READ_EVT; |
| p_buf->hdr.layer_specific = conn_id; |
| p_buf->auth_req = auth_req; |
| p_buf->handle = handle; |
| p_buf->cmpl_evt = BTA_GATTC_READ_DESCR_EVT; |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTA_GATTC_ReadMultiple |
| ** |
| ** Description This function is called to read multiple characteristic or |
| ** characteristic descriptors. |
| ** |
| ** Parameters conn_id - connectino ID. |
| ** p_read_multi - pointer to the read multiple parameter. |
| ** |
| ** Returns None |
| ** |
| *******************************************************************************/ |
| void BTA_GATTC_ReadMultiple(UINT16 conn_id, tBTA_GATTC_MULTI *p_read_multi, |
| tBTA_GATT_AUTH_REQ auth_req) |
| { |
| tBTA_GATTC_API_READ_MULTI *p_buf = |
| (tBTA_GATTC_API_READ_MULTI *)osi_calloc(sizeof(tBTA_GATTC_API_READ_MULTI)); |
| |
| p_buf->hdr.event = BTA_GATTC_API_READ_MULTI_EVT; |
| p_buf->hdr.layer_specific = conn_id; |
| p_buf->auth_req = auth_req; |
| p_buf->num_attr = p_read_multi->num_attr; |
| |
| if (p_buf->num_attr > 0) |
| memcpy(p_buf->handles, p_read_multi->handles, sizeof(UINT16) * p_read_multi->num_attr); |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTA_GATTC_WriteCharValue |
| ** |
| ** Description This function is called to write characteristic value. |
| ** |
| ** Parameters conn_id - connection ID. |
| ** handle - characteristic handle to write. |
| ** write_type - type of write. |
| ** len: length of the data to be written. |
| ** p_value - the value to be written. |
| ** |
| ** Returns None |
| ** |
| *******************************************************************************/ |
| void BTA_GATTC_WriteCharValue ( UINT16 conn_id, |
| UINT16 handle, |
| tBTA_GATTC_WRITE_TYPE write_type, |
| UINT16 len, |
| UINT8 *p_value, |
| tBTA_GATT_AUTH_REQ auth_req) |
| { |
| tBTA_GATTC_API_WRITE *p_buf = |
| (tBTA_GATTC_API_WRITE *)osi_calloc(sizeof(tBTA_GATTC_API_WRITE) + len); |
| |
| p_buf->hdr.event = BTA_GATTC_API_WRITE_EVT; |
| p_buf->hdr.layer_specific = conn_id; |
| p_buf->auth_req = auth_req; |
| p_buf->handle = handle; |
| p_buf->cmpl_evt = BTA_GATTC_WRITE_CHAR_EVT; |
| p_buf->write_type = write_type; |
| p_buf->len = len; |
| |
| if (p_value && len > 0) { |
| p_buf->p_value = (UINT8 *)(p_buf + 1); |
| memcpy(p_buf->p_value, p_value, len); |
| } |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTA_GATTC_WriteCharDescr |
| ** |
| ** Description This function is called to write descriptor value. |
| ** |
| ** Parameters conn_id - connection ID |
| ** handle - descriptor hadle to write. |
| ** write_type - write type. |
| ** p_value - the value to be written. |
| ** |
| ** Returns None |
| ** |
| *******************************************************************************/ |
| void BTA_GATTC_WriteCharDescr (UINT16 conn_id, |
| UINT16 handle, |
| tBTA_GATTC_WRITE_TYPE write_type, |
| tBTA_GATT_UNFMT *p_data, |
| tBTA_GATT_AUTH_REQ auth_req) |
| { |
| size_t len = sizeof(tBTA_GATTC_API_WRITE); |
| |
| if (p_data != NULL) |
| len += p_data->len; |
| |
| tBTA_GATTC_API_WRITE *p_buf = (tBTA_GATTC_API_WRITE *)osi_calloc(len); |
| p_buf->hdr.event = BTA_GATTC_API_WRITE_EVT; |
| p_buf->hdr.layer_specific = conn_id; |
| p_buf->auth_req = auth_req; |
| p_buf->handle = handle; |
| p_buf->cmpl_evt = BTA_GATTC_WRITE_DESCR_EVT; |
| p_buf->write_type = write_type; |
| |
| if (p_data && p_data->len != 0) { |
| p_buf->p_value = (UINT8 *)(p_buf + 1); |
| p_buf->len = p_data->len; |
| /* pack the descr data */ |
| memcpy(p_buf->p_value, p_data->p_value, p_data->len); |
| } |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTA_GATTC_PrepareWrite |
| ** |
| ** Description This function is called to prepare write a characteristic value. |
| ** |
| ** Parameters conn_id - connection ID. |
| ** p_char_id - GATT characteritic ID of the service. |
| ** offset - offset of the write value. |
| ** len: length of the data to be written. |
| ** p_value - the value to be written. |
| ** |
| ** Returns None |
| ** |
| *******************************************************************************/ |
| void BTA_GATTC_PrepareWrite (UINT16 conn_id, UINT16 handle, |
| UINT16 offset, UINT16 len, UINT8 *p_value, |
| tBTA_GATT_AUTH_REQ auth_req) |
| { |
| tBTA_GATTC_API_WRITE *p_buf = |
| (tBTA_GATTC_API_WRITE *)osi_calloc(sizeof(tBTA_GATTC_API_WRITE) + len); |
| |
| p_buf->hdr.event = BTA_GATTC_API_WRITE_EVT; |
| p_buf->hdr.layer_specific = conn_id; |
| p_buf->auth_req = auth_req; |
| p_buf->handle = handle; |
| |
| p_buf->write_type = BTA_GATTC_WRITE_PREPARE; |
| p_buf->offset = offset; |
| p_buf->len = len; |
| |
| if (p_value && len > 0) { |
| p_buf->p_value = (UINT8 *)(p_buf + 1); |
| memcpy(p_buf->p_value, p_value, len); |
| } |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTA_GATTC_ExecuteWrite |
| ** |
| ** Description This function is called to execute write a prepare write sequence. |
| ** |
| ** Parameters conn_id - connection ID. |
| ** is_execute - execute or cancel. |
| ** |
| ** Returns None |
| ** |
| *******************************************************************************/ |
| void BTA_GATTC_ExecuteWrite (UINT16 conn_id, BOOLEAN is_execute) |
| { |
| tBTA_GATTC_API_EXEC *p_buf = |
| (tBTA_GATTC_API_EXEC *)osi_calloc(sizeof(tBTA_GATTC_API_EXEC)); |
| |
| p_buf->hdr.event = BTA_GATTC_API_EXEC_EVT; |
| p_buf->hdr.layer_specific = conn_id; |
| p_buf->is_execute = is_execute; |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTA_GATTC_SendIndConfirm |
| ** |
| ** Description This function is called to send handle value confirmation. |
| ** |
| ** Parameters conn_id - connection ID. |
| ** p_char_id - characteristic ID to confirm. |
| ** |
| ** Returns None |
| ** |
| *******************************************************************************/ |
| void BTA_GATTC_SendIndConfirm (UINT16 conn_id, UINT16 handle) |
| { |
| tBTA_GATTC_API_CONFIRM *p_buf = |
| (tBTA_GATTC_API_CONFIRM *)osi_calloc(sizeof(tBTA_GATTC_API_CONFIRM)); |
| |
| APPL_TRACE_API("%s conn_id=%d handle=0x%04x", __func__, conn_id, handle); |
| |
| p_buf->hdr.event = BTA_GATTC_API_CONFIRM_EVT; |
| p_buf->hdr.layer_specific = conn_id; |
| p_buf->handle = handle; |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTA_GATTC_RegisterForNotifications |
| ** |
| ** Description This function is called to register for notification of a service. |
| ** |
| ** Parameters client_if - client interface. |
| ** bda - target GATT server. |
| ** handle - GATT characteristic handle. |
| ** |
| ** Returns OK if registration succeed, otherwise failed. |
| ** |
| *******************************************************************************/ |
| tBTA_GATT_STATUS BTA_GATTC_RegisterForNotifications (tBTA_GATTC_IF client_if, |
| const BD_ADDR bda, UINT16 handle) |
| { |
| tBTA_GATTC_RCB *p_clreg; |
| tBTA_GATT_STATUS status = BTA_GATT_ILLEGAL_PARAMETER; |
| UINT8 i; |
| |
| if (!handle) |
| { |
| APPL_TRACE_ERROR("deregistration failed, handle is 0"); |
| return status; |
| } |
| |
| if ((p_clreg = bta_gattc_cl_get_regcb(client_if)) != NULL) |
| { |
| for (i = 0; i < BTA_GATTC_NOTIF_REG_MAX; i ++) |
| { |
| if ( p_clreg->notif_reg[i].in_use && |
| !memcmp(p_clreg->notif_reg[i].remote_bda, bda, BD_ADDR_LEN) && |
| p_clreg->notif_reg[i].handle == handle) |
| { |
| APPL_TRACE_WARNING("notification already registered"); |
| status = BTA_GATT_OK; |
| break; |
| } |
| } |
| if (status != BTA_GATT_OK) |
| { |
| for (i = 0; i < BTA_GATTC_NOTIF_REG_MAX; i ++) |
| { |
| if (!p_clreg->notif_reg[i].in_use) |
| { |
| memset((void *)&p_clreg->notif_reg[i], 0, sizeof(tBTA_GATTC_NOTIF_REG)); |
| |
| p_clreg->notif_reg[i].in_use = TRUE; |
| memcpy(p_clreg->notif_reg[i].remote_bda, bda, BD_ADDR_LEN); |
| |
| p_clreg->notif_reg[i].handle = handle; |
| status = BTA_GATT_OK; |
| break; |
| } |
| } |
| if (i == BTA_GATTC_NOTIF_REG_MAX) |
| { |
| status = BTA_GATT_NO_RESOURCES; |
| APPL_TRACE_ERROR("Max Notification Reached, registration failed."); |
| } |
| } |
| } |
| else |
| { |
| APPL_TRACE_ERROR("Client_if: %d Not Registered", client_if); |
| } |
| |
| return status; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTA_GATTC_DeregisterForNotifications |
| ** |
| ** Description This function is called to de-register for notification of a servbice. |
| ** |
| ** Parameters client_if - client interface. |
| ** remote_bda - target GATT server. |
| ** handle - GATT characteristic handle. |
| ** |
| ** Returns OK if deregistration succeed, otherwise failed. |
| ** |
| *******************************************************************************/ |
| tBTA_GATT_STATUS BTA_GATTC_DeregisterForNotifications (tBTA_GATTC_IF client_if, |
| const BD_ADDR bda, UINT16 handle) |
| { |
| if (!handle) { |
| APPL_TRACE_ERROR("%s: deregistration failed, handle is 0", __func__); |
| return BTA_GATT_ILLEGAL_PARAMETER; |
| } |
| |
| tBTA_GATTC_RCB *p_clreg = bta_gattc_cl_get_regcb(client_if); |
| if (p_clreg == NULL) { |
| APPL_TRACE_ERROR("%s client_if: %d not registered bd_addr:%02x:%02x:%02x:%02x:%02x:%02x", |
| __func__, client_if, bda[0], bda[1], bda[2], bda[3], bda[4], bda[5]); |
| return BTA_GATT_ILLEGAL_PARAMETER; |
| } |
| |
| for (int i = 0; i < BTA_GATTC_NOTIF_REG_MAX; i ++) { |
| if (p_clreg->notif_reg[i].in_use && |
| !memcmp(p_clreg->notif_reg[i].remote_bda, bda, BD_ADDR_LEN) && |
| p_clreg->notif_reg[i].handle == handle) { |
| APPL_TRACE_DEBUG("%s deregistered bd_addr:%02x:%02x:%02x:%02x:%02x:%02x", |
| __func__, bda[0], bda[1], bda[2], bda[3], bda[4], bda[5]); |
| memset(&p_clreg->notif_reg[i], 0, sizeof(tBTA_GATTC_NOTIF_REG)); |
| return BTA_GATT_OK; |
| } |
| } |
| |
| APPL_TRACE_ERROR("%s registration not found bd_addr:%02x:%02x:%02x:%02x:%02x:%02x", |
| __func__, bda[0], bda[1], bda[2], bda[3], bda[4], bda[5]); |
| return BTA_GATT_ERROR; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTA_GATTC_Refresh |
| ** |
| ** Description Refresh the server cache of the remote device |
| ** |
| ** Parameters remote_bda: remote device BD address. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void BTA_GATTC_Refresh(const BD_ADDR remote_bda) |
| { |
| tBTA_GATTC_API_OPEN *p_buf = |
| (tBTA_GATTC_API_OPEN *)osi_malloc(sizeof(tBTA_GATTC_API_OPEN)); |
| |
| p_buf->hdr.event = BTA_GATTC_API_REFRESH_EVT; |
| memcpy(p_buf->remote_bda, remote_bda, BD_ADDR_LEN); |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTA_GATTC_Listen |
| ** |
| ** Description Start advertisement to listen for connection request for a GATT |
| ** client application. |
| ** |
| ** Parameters client_if: server interface. |
| ** start: to start or stop listening for connection |
| ** remote_bda: remote device BD address, if listen to all device |
| ** use NULL. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void BTA_GATTC_Listen(tBTA_GATTC_IF client_if, BOOLEAN start, BD_ADDR_PTR target_bda) |
| { |
| tBTA_GATTC_API_LISTEN *p_buf = |
| (tBTA_GATTC_API_LISTEN *)osi_malloc(sizeof(tBTA_GATTC_API_LISTEN) + BD_ADDR_LEN); |
| |
| p_buf->hdr.event = BTA_GATTC_API_LISTEN_EVT; |
| p_buf->client_if = client_if; |
| p_buf->start = start; |
| if (target_bda) { |
| p_buf->remote_bda = (UINT8*)(p_buf + 1); |
| memcpy(p_buf->remote_bda, target_bda, BD_ADDR_LEN); |
| } else { |
| p_buf->remote_bda = NULL; |
| } |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTA_GATTC_Broadcast |
| ** |
| ** Description Start broadcasting (non-connectable advertisements) |
| ** |
| ** Parameters client_if: client interface. |
| ** start: to start or stop listening for connection |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void BTA_GATTC_Broadcast(tBTA_GATTC_IF client_if, BOOLEAN start) |
| { |
| tBTA_GATTC_API_LISTEN *p_buf = |
| (tBTA_GATTC_API_LISTEN *)osi_malloc(sizeof(tBTA_GATTC_API_LISTEN) + BD_ADDR_LEN); |
| |
| p_buf->hdr.event = BTA_GATTC_API_BROADCAST_EVT; |
| p_buf->client_if = client_if; |
| p_buf->start = start; |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| #endif /* BTA_GATT_INCLUDED */ |