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-rw-r--r--bta/ag/bta_ag_api.c323
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diff --git a/bta/ag/bta_ag_api.c b/bta/ag/bta_ag_api.c
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+/******************************************************************************
+ *
+ * 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 <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)
+{
+ 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);
+ }
+}
+
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