| /****************************************************************************** |
| * |
| * Copyright (C) 2003-2012 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 the audio gateway (AG) |
| * subsystem of BTA, Broadcom's Bluetooth application layer for mobile |
| * phones. |
| * |
| ******************************************************************************/ |
| |
| #include "bta_api.h" |
| #include "bta_sys.h" |
| #include "bta_ag_api.h" |
| #include "bta_ag_int.h" |
| #include "bt_common.h" |
| #include <string.h> |
| |
| /***************************************************************************** |
| ** Constants |
| *****************************************************************************/ |
| |
| static const tBTA_SYS_REG bta_ag_reg = |
| { |
| bta_ag_hdl_event, |
| BTA_AgDisable |
| }; |
| |
| /******************************************************************************* |
| ** |
| ** Function BTA_AgEnable |
| ** |
| ** Description Enable the audio gateway service. When the enable |
| ** operation is complete the callback function will be |
| ** called with a BTA_AG_ENABLE_EVT. This function must |
| ** be called before other function in the AG API are |
| ** called. |
| ** |
| ** Returns BTA_SUCCESS if OK, BTA_FAILURE otherwise. |
| ** |
| *******************************************************************************/ |
| tBTA_STATUS BTA_AgEnable(tBTA_AG_PARSE_MODE parse_mode, tBTA_AG_CBACK *p_cback) |
| { |
| /* Error if AG is already enabled, or AG is in the middle of disabling. */ |
| for (int idx = 0; idx < BTA_AG_NUM_SCB; idx++) { |
| if (bta_ag_cb.scb[idx].in_use) { |
| APPL_TRACE_ERROR ("BTA_AgEnable: FAILED, AG already enabled."); |
| return BTA_FAILURE; |
| } |
| } |
| |
| /* register with BTA system manager */ |
| bta_sys_register(BTA_ID_AG, &bta_ag_reg); |
| |
| tBTA_AG_API_ENABLE *p_buf = |
| (tBTA_AG_API_ENABLE *)osi_malloc(sizeof(tBTA_AG_API_ENABLE)); |
| p_buf->hdr.event = BTA_AG_API_ENABLE_EVT; |
| p_buf->parse_mode = parse_mode; |
| p_buf->p_cback = p_cback; |
| |
| bta_sys_sendmsg(p_buf); |
| |
| return BTA_SUCCESS; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTA_AgDisable |
| ** |
| ** Description Disable the audio gateway service |
| ** |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void BTA_AgDisable(void) |
| { |
| BT_HDR *p_buf = (BT_HDR *)osi_malloc(sizeof(BT_HDR)); |
| |
| p_buf->event = BTA_AG_API_DISABLE_EVT; |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTA_AgRegister |
| ** |
| ** Description Register an Audio Gateway service. |
| ** |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void BTA_AgRegister(tBTA_SERVICE_MASK services, tBTA_SEC sec_mask,tBTA_AG_FEAT features, |
| const char * p_service_names[], UINT8 app_id) |
| { |
| tBTA_AG_API_REGISTER *p_buf = |
| (tBTA_AG_API_REGISTER *)osi_malloc(sizeof(tBTA_AG_API_REGISTER)); |
| |
| p_buf->hdr.event = BTA_AG_API_REGISTER_EVT; |
| p_buf->features = features; |
| p_buf->sec_mask = sec_mask; |
| p_buf->services = services; |
| p_buf->app_id = app_id; |
| for (int i = 0; i < BTA_AG_NUM_IDX; i++) { |
| if (p_service_names[i]) |
| strlcpy(p_buf->p_name[i], p_service_names[i], BTA_SERVICE_NAME_LEN); |
| else |
| p_buf->p_name[i][0] = 0; |
| } |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTA_AgDeregister |
| ** |
| ** Description Deregister an audio gateway service. |
| ** |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void BTA_AgDeregister(UINT16 handle) |
| { |
| BT_HDR *p_buf = (BT_HDR *)osi_malloc(sizeof(BT_HDR)); |
| |
| p_buf->event = BTA_AG_API_DEREGISTER_EVT; |
| p_buf->layer_specific = handle; |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTA_AgOpen |
| ** |
| ** Description Opens a connection to a headset or hands-free device. |
| ** When connection is open callback function is called |
| ** with a BTA_AG_OPEN_EVT. Only the data connection is |
| ** opened. The audio connection is not opened. |
| ** |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void BTA_AgOpen(UINT16 handle, BD_ADDR bd_addr, tBTA_SEC sec_mask, tBTA_SERVICE_MASK services) |
| { |
| tBTA_AG_API_OPEN *p_buf = |
| (tBTA_AG_API_OPEN *)osi_malloc(sizeof(tBTA_AG_API_OPEN)); |
| |
| p_buf->hdr.event = BTA_AG_API_OPEN_EVT; |
| p_buf->hdr.layer_specific = handle; |
| bdcpy(p_buf->bd_addr, bd_addr); |
| p_buf->services = services; |
| p_buf->sec_mask = sec_mask; |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTA_AgClose |
| ** |
| ** Description Close the current connection to a headset or a handsfree |
| ** Any current audio connection will also be closed. |
| ** |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void BTA_AgClose(UINT16 handle) |
| { |
| BT_HDR *p_buf = (BT_HDR *)osi_malloc(sizeof(BT_HDR)); |
| |
| p_buf->event = BTA_AG_API_CLOSE_EVT; |
| p_buf->layer_specific = handle; |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTA_AgAudioOpen |
| ** |
| ** Description Opens an audio connection to the currently connected |
| ** headset or hnadsfree. |
| ** |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void BTA_AgAudioOpen(UINT16 handle) |
| { |
| BT_HDR *p_buf = (BT_HDR *)osi_malloc(sizeof(BT_HDR)); |
| |
| p_buf->event = BTA_AG_API_AUDIO_OPEN_EVT; |
| p_buf->layer_specific = handle; |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTA_AgAudioClose |
| ** |
| ** Description Close the currently active audio connection to a headset |
| ** or hnadsfree. The data connection remains open |
| ** |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void BTA_AgAudioClose(UINT16 handle) |
| { |
| BT_HDR *p_buf = (BT_HDR *)osi_malloc(sizeof(BT_HDR)); |
| |
| p_buf->event = BTA_AG_API_AUDIO_CLOSE_EVT; |
| p_buf->layer_specific = handle; |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTA_AgResult |
| ** |
| ** Description Send an AT result code to a headset or hands-free device. |
| ** This function is only used when the AG parse mode is set |
| ** to BTA_AG_PARSE. |
| ** |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void BTA_AgResult(UINT16 handle, tBTA_AG_RES result, tBTA_AG_RES_DATA *p_data) |
| { |
| tBTA_AG_API_RESULT *p_buf = |
| (tBTA_AG_API_RESULT *)osi_malloc(sizeof(tBTA_AG_API_RESULT)); |
| |
| p_buf->hdr.event = BTA_AG_API_RESULT_EVT; |
| p_buf->hdr.layer_specific = handle; |
| p_buf->result = result; |
| if (p_data) |
| memcpy(&p_buf->data, p_data, sizeof(p_buf->data)); |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTA_AgSetCodec |
| ** |
| ** Description Specify the codec type to be used for the subsequent |
| ** audio connection. |
| ** |
| ** |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void BTA_AgSetCodec(UINT16 handle, tBTA_AG_PEER_CODEC codec) |
| { |
| tBTA_AG_API_SETCODEC *p_buf = |
| (tBTA_AG_API_SETCODEC *)osi_malloc(sizeof(tBTA_AG_API_SETCODEC)); |
| |
| p_buf->hdr.event = BTA_AG_API_SETCODEC_EVT; |
| p_buf->hdr.layer_specific = handle; |
| p_buf->codec = codec; |
| |
| bta_sys_sendmsg(p_buf); |
| } |