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BT HFP: Add AT+NREC=0 command for disabling AG echo cancellation.

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This commit is contained in:
nif 2019-06-20 12:01:02 +02:00 committed by bot
parent df5db07edf
commit 75578300f1
4 changed files with 55 additions and 0 deletions
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16
components/bt/host/bluedroid/api/esp_hf_client_api.c
View file

@ -432,6 +432,22 @@ esp_err_t esp_hf_client_request_last_voice_tag_number(void)
return (stat == BT_STATUS_SUCCESS) ? ESP_OK : ESP_FAIL;
}
esp_err_t esp_hf_client_send_nrec(void)
{
if (esp_bluedroid_get_status() != ESP_BLUEDROID_STATUS_ENABLED) {
return ESP_ERR_INVALID_STATE;
}
btc_msg_t msg;
msg.sig = BTC_SIG_API_CALL;
msg.pid = BTC_PID_HF_CLIENT;
msg.act = BTC_HF_CLIENT_SEND_NREC_EVT;
/* Switch to BTC context */
bt_status_t stat = btc_transfer_context(&msg, NULL, 0, NULL);
return (stat == BT_STATUS_SUCCESS) ? ESP_OK : ESP_FAIL;
}
esp_err_t esp_hf_client_register_data_callback(esp_hf_client_incoming_data_cb_t recv,
esp_hf_client_outgoing_data_cb_t send)
{

14
components/bt/host/bluedroid/api/include/api/esp_hf_client_api.h
View file

@ -578,6 +578,20 @@ esp_err_t esp_hf_client_send_dtmf(char code);
*/
esp_err_t esp_hf_client_request_last_voice_tag_number(void);
/**
*
* @brief Disable echo cancellation and noise reduction in the AG (use AT+NREC=0 command)
* As a precondition to use this API, Service Level Connection shall exist with AG
*
* @return
* - ESP_OK: NREC=0 request is sent to lower layer
* - ESP_INVALID_STATE: if bluetooth stack is not yet enabled
* - ESP_FAIL: others
*
*/
esp_err_t esp_hf_client_send_nrec(void);
/**
* @brief Register HFP client data output function; the callback is only used in
* the case that Voice Over HCI is enabled.

24
components/bt/host/bluedroid/btc/profile/std/hf_client/btc_hf_client.c
View file

@ -630,6 +630,27 @@ static bt_status_t btc_hf_client_request_last_voice_tag_number(void)
return BT_STATUS_UNSUPPORTED;
}
/*******************************************************************************
**
** Function btc_hf_client_send_nrec
**
** Description Request AG to disable echo cancellation & noise reduction
**
** Returns bt_status_t
**
*******************************************************************************/
static bt_status_t btc_hf_client_send_nrec(void)
{
CHECK_HF_CLIENT_SLC_CONNECTED();
if (hf_client_local_param.btc_hf_client_cb.peer_feat & BTA_HF_CLIENT_PEER_FEAT_ECNR)
{
BTA_HfClientSendAT(hf_client_local_param.btc_hf_client_cb.handle, BTA_HF_CLIENT_AT_CMD_NREC, 0, 0, NULL);
return BT_STATUS_SUCCESS;
}
return BT_STATUS_UNSUPPORTED;
}
/*******************************************************************************
**
** Function bte_hf_client_evt
@ -1073,6 +1094,9 @@ void btc_hf_client_call_handler(btc_msg_t *msg)
case BTC_HF_CLIENT_REGISTER_DATA_CALLBACK_EVT:
btc_hf_client_reg_data_cb(arg->reg_data_cb.recv, arg->reg_data_cb.send);
break;
case BTC_HF_CLIENT_SEND_NREC_EVT:
btc_hf_client_send_nrec();
break;
default:
BTC_TRACE_WARNING("%s : unhandled event: %d\n", __FUNCTION__, msg->act);
}

1
components/bt/host/bluedroid/btc/profile/std/include/btc_hf_client.h
View file

@ -57,6 +57,7 @@ typedef enum {
BTC_HF_CLIENT_SEND_DTMF_EVT,
BTC_HF_CLIENT_REQUEST_LAST_VOICE_TAG_NUMBER_EVT,
BTC_HF_CLIENT_REGISTER_DATA_CALLBACK_EVT,
BTC_HF_CLIENT_SEND_NREC_EVT,
} btc_hf_client_act_t;
/* btc_hf_client_args_t */