bluetooth_service: Add function to get connected A2DP device

espressif · Jul 24, 2023 · add95a3 · add95a3
1 parent 49e63cd
commit add95a3
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Showing 2 changed files with 27 additions and 0 deletions.
diff --git a/components/bluetooth_service/a2dp_stream.c b/components/bluetooth_service/a2dp_stream.c
@@ -47,6 +47,8 @@ typedef struct {
  bool avrcp_conn_state;
  audio_stream_type_t stream_type;
  uint8_t trans_label;
+ esp_bd_addr_t connected_bd_addr;
+ uint8_t connected_flag;
 
 #if (ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(4, 0, 0))
  audio_hal_handle_t audio_hal;
@@ -121,6 +123,8 @@ static void bt_a2d_sink_cb(esp_a2d_cb_event_t event, esp_a2d_cb_param_t *param)
  bda[0], bda[1], bda[2], bda[3], bda[4], bda[5]);
  if (param->conn_stat.state == ESP_A2D_CONNECTION_STATE_DISCONNECTED) {
  ESP_LOGI(TAG, "A2DP connection state = DISCONNECTED");
+ s_aadp_handler.connected_flag = 0;
+ memset(s_aadp_handler.connected_bd_addr, 0x00, ESP_BD_ADDR_LEN);
  if (s_aadp_handler.sink_stream) {
  audio_element_report_status(s_aadp_handler.sink_stream, AEL_STATUS_INPUT_DONE);
  }
@@ -129,6 +133,8 @@ static void bt_a2d_sink_cb(esp_a2d_cb_event_t event, esp_a2d_cb_param_t *param)
  }
  } else if (param->conn_stat.state == ESP_A2D_CONNECTION_STATE_CONNECTED) {
  ESP_LOGI(TAG, "A2DP connection state = CONNECTED");
+ memcpy(s_aadp_handler.connected_bd_addr, bda, ESP_BD_ADDR_LEN);
+ s_aadp_handler.connected_flag = 1;
  if (s_aadp_handler.bt_avrc_periph) {
  esp_periph_send_event(s_aadp_handler.bt_avrc_periph, PERIPH_BLUETOOTH_CONNECTED, NULL, 0);
  }
@@ -209,15 +215,20 @@ static void bt_a2d_source_cb(esp_a2d_cb_event_t event, esp_a2d_cb_param_t *param
  }
  switch (event) {
  case ESP_A2D_CONNECTION_STATE_EVT:
+ uint8_t *bda = param->conn_stat.remote_bda;
  if (param->conn_stat.state == ESP_A2D_CONNECTION_STATE_CONNECTED) {
  ESP_LOGI(TAG, "a2dp source connected");
  ESP_LOGI(TAG, "a2dp media ready checking ...");
+ memcpy(s_aadp_handler.connected_bd_addr, bda, ESP_BD_ADDR_LEN);
+ s_aadp_handler.connected_flag = 1;
  esp_a2d_media_ctrl(ESP_A2D_MEDIA_CTRL_CHECK_SRC_RDY);
  if (s_aadp_handler.bt_avrc_periph) {
  esp_periph_send_event(s_aadp_handler.bt_avrc_periph, PERIPH_BLUETOOTH_CONNECTED, NULL, 0);
  }
  } else if (param->conn_stat.state == ESP_A2D_CONNECTION_STATE_DISCONNECTED) {
  ESP_LOGI(TAG, "a2dp source disconnected");
+ s_aadp_handler.connected_flag = 0;
+ memset(s_aadp_handler.connected_bd_addr, 0x00, ESP_BD_ADDR_LEN);
  esp_bt_gap_start_discovery(ESP_BT_INQ_MODE_GENERAL_INQUIRY, 10, 0);
  if (s_aadp_handler.bt_avrc_periph) {
  esp_periph_send_event(s_aadp_handler.bt_avrc_periph, PERIPH_BLUETOOTH_DISCONNECTED, NULL, 0);
@@ -305,6 +316,8 @@ audio_element_handle_t a2dp_stream_init(a2dp_stream_config_t *config)
  esp_avrc_tg_set_rn_evt_cap(&evt_set);
 #endif
 
+ s_aadp_handler.connected_flag = 0;
+
  if (config->type == AUDIO_STREAM_READER) {
  // A2DP sink
  s_aadp_handler.stream_type = AUDIO_STREAM_READER;
@@ -352,6 +365,8 @@ esp_err_t a2dp_destroy()
  } else if (s_aadp_handler.stream_type == AUDIO_STREAM_WRITER) {
  esp_a2d_source_deinit();
  }
+ s_aadp_handler.connected_flag = 0;
+
  return ESP_OK;
 }
 
@@ -614,4 +629,14 @@ esp_err_t periph_bt_volume_down(esp_periph_handle_t periph)
 }
 #endif
 
+esp_err_t periph_bt_get_connected_bd_addr(esp_periph_handle_t periph, uint8_t *dest)
+{
+ if (!dest)
+ return ESP_ERR_INVALID_ARG;
+ if (!s_aadp_handler.connected_flag)
+ return ESP_ERR_INVALID_STATE;
+ memcpy(dest, s_aadp_handler.connected_bd_addr, ESP_BD_ADDR_LEN);
+ return ESP_OK;
+}
+
 #endif
diff --git a/components/bluetooth_service/include/a2dp_stream.h b/components/bluetooth_service/include/a2dp_stream.h
@@ -208,6 +208,8 @@ esp_err_t periph_bt_volume_up(esp_periph_handle_t periph);
 esp_err_t periph_bt_volume_down(esp_periph_handle_t periph);
 #endif
 
+esp_err_t periph_bt_get_connected_bd_addr(esp_periph_handle_t periph, uint8_t *dest);
+
 #endif
 
 #ifdef __cplusplus