bt/btif/co/bta_ag_co.cc

/******************************************************************************
 *
 *  Copyright (C) 2009-2012 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.
 *
 ******************************************************************************/

#define LOG_TAG "bt_btif_bta_ag"

#include "bta/include/bta_ag_co.h"
#include "bta/include/bta_ag_api.h"
#include "hci/include/hci_audio.h"
#include "osi/include/osi.h"

/*******************************************************************************
 *
 * Function         bta_ag_co_init
 *
 * Description      This callout function is executed by AG when it is
 *                  started by calling BTA_AgEnable().  This function can be
 *                  used by the phone to initialize audio paths or for other
 *                  initialization purposes.
 *
 *
 * Returns          Void.
 *
 ******************************************************************************/
void bta_ag_co_init(void) { BTM_WriteVoiceSettings(AG_VOICE_SETTINGS); }

/*******************************************************************************
 *
 * Function         bta_ag_co_audio_state
 *
 * Description      This function is called by the AG before the audio
 *                  connection is brought up, after it comes up, and
 *                  after it goes down.
 *
 * Parameters       handle - handle of the AG instance
 *                  state - Audio state
 *                  codec - if WBS support is compiled in, codec to going to be
 *                      used is provided and when in SCO_STATE_SETUP,
 *                      BTM_I2SPCMConfig() must be called with the correct
 *                      platform parameters.
 *                      In the other states, codec type should not be ignored.
 *
 * Returns          void
 *
 ******************************************************************************/
#if (BTM_WBS_INCLUDED == TRUE)
void bta_ag_co_audio_state(uint16_t handle, uint8_t app_id, uint8_t state,
                           tBTA_AG_PEER_CODEC codec)
#else
void bta_ag_co_audio_state(uint16_t handle, uint8_t app_id, uint8_t state)
#endif
{
  BTIF_TRACE_DEBUG("bta_ag_co_audio_state: handle %d, state %d", handle, state);
  switch (state) {
    case SCO_STATE_OFF:
#if (BTM_WBS_INCLUDED == TRUE)
      BTIF_TRACE_DEBUG(
          "bta_ag_co_audio_state(handle %d)::Closed (OFF), codec: 0x%x", handle,
          codec);
      set_audio_state(handle, (sco_codec_t)codec, (sco_state_t)state);
#else
      BTIF_TRACE_DEBUG("bta_ag_co_audio_state(handle %d)::Closed (OFF)",
                       handle);
#endif
      break;
    case SCO_STATE_OFF_TRANSFER:
      BTIF_TRACE_DEBUG("bta_ag_co_audio_state(handle %d)::Closed (XFERRING)",
                       handle);
      break;
    case SCO_STATE_SETUP:
#if (BTM_WBS_INCLUDED == TRUE)
      set_audio_state(handle, (sco_codec_t)codec, (sco_state_t)state);
#else
      set_audio_state(handle, (sco_codec_t)BTA_AG_CODEC_CVSD,
                      (sco_state_t)state);
#endif
      break;
    default:
      break;
  }
#if (BTM_WBS_INCLUDED == TRUE)
  APPL_TRACE_DEBUG(
      "bta_ag_co_audio_state(handle %d, app_id: %d, state %d, codec: 0x%x)",
      handle, app_id, state, codec);
#else
  APPL_TRACE_DEBUG("bta_ag_co_audio_state(handle %d, app_id: %d, state %d)",
                   handle, app_id, state);
#endif
}

/*******************************************************************************
 *
 * Function         bta_ag_co_data_open
 *
 * Description      This function is executed by AG when a service level
 *                  connection is opened.  The phone can use this function to
 *                  set up data paths or perform any required initialization or
 *                  set up particular to the connected service.
 *
 * Returns          void
 *
 ******************************************************************************/
void bta_ag_co_data_open(uint16_t handle, tBTA_SERVICE_ID service) {
  BTIF_TRACE_DEBUG("bta_ag_co_data_open handle:%d service:%d", handle, service);
}

/*******************************************************************************
 *
 * Function         bta_ag_co_data_close
 *
 * Description      This function is called by AG when a service level
 *                  connection is closed
 *
 *
 * Returns          void
 *
 ******************************************************************************/
void bta_ag_co_data_close(uint16_t handle) {
  BTIF_TRACE_DEBUG("bta_ag_co_data_close handle:%d", handle);
}

/*******************************************************************************
 **
 ** Function         bta_ag_co_tx_write
 **
 ** Description      This function is called by the AG to send data to the
 **                  phone when the AG is configured for AT command
 **                  pass-through. The implementation of this function must copy
 **                  the data to the phones memory.
 **
 ** Returns          void
 **
 *******************************************************************************/
void bta_ag_co_tx_write(uint16_t handle, UNUSED_ATTR uint8_t* p_data,
                        uint16_t len) {
  BTIF_TRACE_DEBUG("bta_ag_co_tx_write: handle: %d, len: %d", handle, len);
}