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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 file for audio gateway call-in functions.
*
******************************************************************************/
#include <string.h>
#include "bta_api.h"
#include "bta_ag_api.h"
#include "bta_ag_int.h"
#include "bta_ag_ci.h"
#include "gki.h"
/******************************************************************************
**
** Function bta_ag_ci_rx_write
**
** Description This function is called to send data to the AG when the AG
** is configured for AT command pass-through. The function
** copies data to an event buffer and sends it.
**
** Returns void
**
******************************************************************************/
void bta_ag_ci_rx_write(UINT16 handle, char *p_data, UINT16 len)
{
tBTA_AG_CI_RX_WRITE *p_buf;
UINT16 len_remaining = len;
char *p_data_area;
if (len > (RFCOMM_DATA_POOL_BUF_SIZE - sizeof(tBTA_AG_CI_RX_WRITE) - 1))
len = RFCOMM_DATA_POOL_BUF_SIZE - sizeof(tBTA_AG_CI_RX_WRITE) - 1;
while (len_remaining)
{
if (len_remaining < len)
len = len_remaining;
if ((p_buf = (tBTA_AG_CI_RX_WRITE *) GKI_getbuf((UINT16)(sizeof(tBTA_AG_CI_RX_WRITE) + len + 1))) != NULL)
{
p_buf->hdr.event = BTA_AG_CI_RX_WRITE_EVT;
p_buf->hdr.layer_specific = handle;
p_data_area = (char *)(p_buf+1); /* Point to data area after header */
strncpy(p_data_area, p_data, len);
p_data_area[len] = 0;
bta_sys_sendmsg(p_buf);
} else {
APPL_TRACE_ERROR1("ERROR: Unable to allocate buffer to hold AT response code. len=%i", len);
break;
}
len_remaining-=len;
p_data+=len;
}
}
/******************************************************************************
**
** Function bta_ag_ci_slc_ready
**
** Description This function is called to notify AG that SLC is up at
** the application. This funcion is only used when the app
** is running in pass-through mode.
**
** Returns void
**
******************************************************************************/
void bta_ag_ci_slc_ready(UINT16 handle)
{
tBTA_AG_DATA *p_buf;
if ((p_buf = (tBTA_AG_DATA *)GKI_getbuf(sizeof(tBTA_AG_DATA))) != NULL)
{
p_buf->hdr.event = BTA_AG_CI_SLC_READY_EVT;
p_buf->hdr.layer_specific = handle;
bta_sys_sendmsg(p_buf);
}
}
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