Microphone Control Service Client API

src/le-audio/gatt-service/microphone_control_service_client.h

/**
 * @brief Initialize Microphone Control Service. 
 */
void microphone_control_service_client_init(void);

/**
 * @brief Connect to Microphone Control Services of remote device. The client will automatically register for notifications. 
 * The mute state is received via GATTSERVICE_SUBEVENT_MICROPHONE_CONTROL_SERVICE_MUTE event.
 * The mute state can be 0 - off, 1 - on, 2 - disabeled and it is valid if the ATTT status is equal to ATT_ERROR_SUCCESS, 
 * see ATT errors (see bluetooth.h) for other values.
 *   
 * Event GATTSERVICE_SUBEVENT_MICROPHONE_CONTROL_SERVICE_CONNECTED is emitted with status ERROR_CODE_SUCCESS on success, otherwise
 * GATT_CLIENT_IN_WRONG_STATE, ERROR_CODE_UNSUPPORTED_FEATURE_OR_PARAMETER_VALUE if no microphone control service is found, or ATT errors (see bluetooth.h). 
 *
 * @param con_handle
 * @param packet_handler
 * @param mics_cid
 * @return status ERROR_CODE_SUCCESS on success, otherwise ERROR_CODE_COMMAND_DISALLOWED if there is already a client associated with con_handle, or BTSTACK_MEMORY_ALLOC_FAILED 
 */
uint8_t microphone_control_service_client_connect(hci_con_handle_t con_handle, btstack_packet_handler_t packet_handler, uint16_t * mics_cid);

/**
 * @brief Read mute state. The mute state is received via GATTSERVICE_SUBEVENT_MICROPHONE_CONTROL_SERVICE_MUTE event.
 * @param mics_cid
 * @return status
 */
uint8_t microphone_control_service_client_read_mute_state(uint16_t mics_cid);

/**
 * @brief Turn on mute. 
 * @param mics_cid
 * @return status
 */
uint8_t microphone_control_service_client_mute_turn_on(uint16_t mics_cid);

/**
 * @brief Turn off mute.
 * @param mics_cid
 * @return status
 */
uint8_t microphone_control_service_client_mute_turn_off(uint16_t mics_cid);

/**
 * @brief Disconnect.
 * @param mics_cid
 * @return status
 */
uint8_t microphone_control_service_client_disconnect(uint16_t mics_cid);

/**
 * @brief De-initialize Microphone Control Service. 
 */
void microphone_control_service_client_deinit(void);