From 5738f83aeb59361a0a2eda2460113f6dc9194271 Mon Sep 17 00:00:00 2001 From: The Android Open Source Project Date: Wed, 12 Dec 2012 16:00:35 -0800 Subject: Snapshot cdeccf6fdd8c2d494ea2867cb37a025bf8879baf Change-Id: Ia2de32ccb97a9641462c72363b0a8c4288f4f36d --- bta/ag/bta_ag_api.c | 323 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 323 insertions(+) create mode 100644 bta/ag/bta_ag_api.c (limited to 'bta/ag/bta_ag_api.c') diff --git a/bta/ag/bta_ag_api.c b/bta/ag/bta_ag_api.c new file mode 100644 index 0000000..07dceb9 --- /dev/null +++ b/bta/ag/bta_ag_api.c @@ -0,0 +1,323 @@ +/****************************************************************************** + * + * 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 "bd.h" +#include "bta_sys.h" +#include "bta_ag_api.h" +#include "bta_ag_int.h" +#include "gki.h" +#include + +/***************************************************************************** +** 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) +{ + tBTA_AG_API_ENABLE *p_buf; + UINT8 idx; + + /* Error if AG is already enabled, or AG is in the middle of disabling. */ + for (idx = 0; idx < BTA_AG_NUM_SCB; idx++) + { + if (bta_ag_cb.scb[idx].in_use) + { + APPL_TRACE_ERROR0 ("BTA_AgEnable: FAILED, AG already enabled."); + return BTA_FAILURE; + } + } + + /* register with BTA system manager */ + GKI_sched_lock(); + bta_sys_register(BTA_ID_AG, &bta_ag_reg); + GKI_sched_unlock(); + + if ((p_buf = (tBTA_AG_API_ENABLE *) GKI_getbuf(sizeof(tBTA_AG_API_ENABLE))) != NULL) + { + 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; + + if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL) + { + 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, + char * p_service_names[], UINT8 app_id) +{ + tBTA_AG_API_REGISTER *p_buf; + int i; + + if ((p_buf = (tBTA_AG_API_REGISTER *) GKI_getbuf(sizeof(tBTA_AG_API_REGISTER))) != NULL) + { + 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 (i = 0; i < BTA_AG_NUM_IDX; i++) + { + if(p_service_names[i]) + { + BCM_STRNCPY_S(p_buf->p_name[i], BTA_SERVICE_NAME_LEN+1, p_service_names[i], BTA_SERVICE_NAME_LEN); + p_buf->p_name[i][BTA_SERVICE_NAME_LEN] = 0; + } + 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; + + if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL) + { + 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; + + if ((p_buf = (tBTA_AG_API_OPEN *) GKI_getbuf(sizeof(tBTA_AG_API_OPEN))) != NULL) + { + 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; + + if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL) + { + 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; + + if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL) + { + 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; + + if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL) + { + 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; + + if ((p_buf = (tBTA_AG_API_RESULT *) GKI_getbuf(sizeof(tBTA_AG_API_RESULT))) != NULL) + { + 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; + + if ((p_buf = (tBTA_AG_API_SETCODEC *) GKI_getbuf(sizeof(tBTA_AG_API_SETCODEC))) != NULL) + { + p_buf->hdr.event = BTA_AG_API_SETCODEC_EVT; + p_buf->hdr.layer_specific = handle; + p_buf->codec = codec; + bta_sys_sendmsg(p_buf); + } +} + -- cgit v1.1