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avrcp: provide status return for all functions

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This commit is contained in:
Matthias Ringwald 2017-06-08 15:42:09 +02:00
parent 294335f1d3
commit 31a5a745d6
2 changed files with 168 additions and 104 deletions
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159
src/classic/avrcp.c
View File

@ -433,7 +433,7 @@ static void avrcp_press_and_hold_timer_stop(avrcp_connection_t * connection){
btstack_run_loop_remove_timer(&connection->press_and_hold_cmd_timer);
}
static void request_pass_through_release_control_cmd(avrcp_connection_t * connection){
static uint8_t request_pass_through_release_control_cmd(avrcp_connection_t * connection){
connection->state = AVCTP_W2_SEND_RELEASE_COMMAND;
switch (connection->cmd_operands[0]){
case AVRCP_OPERATION_ID_REWIND:
@ -446,15 +446,16 @@ static void request_pass_through_release_control_cmd(avrcp_connection_t * connec
connection->cmd_operands[0] = 0x80 | connection->cmd_operands[0];
connection->transaction_label++;
avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid);
return ERROR_CODE_SUCCESS;
}
static void request_pass_through_press_control_cmd(uint16_t avrcp_cid, avrcp_operation_id_t opid, uint16_t playback_speed){
static uint8_t request_pass_through_press_control_cmd(uint16_t avrcp_cid, avrcp_operation_id_t opid, uint16_t playback_speed){
avrcp_connection_t * connection = get_avrcp_connection_for_l2cap_signaling_cid(avrcp_cid);
if (!connection){
log_error("avrcp: could not find a connection.");
return;
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
}
if (connection->state != AVCTP_CONNECTION_OPENED) return;
if (connection->state != AVCTP_CONNECTION_OPENED) return ERROR_CODE_COMMAND_DISALLOWED;
connection->state = AVCTP_W2_SEND_PRESS_COMMAND;
connection->command_opcode = AVRCP_CMD_OPCODE_PASS_THROUGH;
connection->command_type = AVRCP_CTYPE_CONTROL;
@ -480,6 +481,7 @@ static void request_pass_through_press_control_cmd(uint16_t avrcp_cid, avrcp_ope
}
connection->transaction_label++;
avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid);
return ERROR_CODE_SUCCESS;
}
@ -1149,13 +1151,13 @@ uint8_t avrcp_connect(bd_addr_t bd_addr, uint16_t * avrcp_cid){
return ERROR_CODE_SUCCESS;
}
void avrcp_unit_info(uint16_t avrcp_cid){
uint8_t avrcp_unit_info(uint16_t avrcp_cid){
avrcp_connection_t * connection = get_avrcp_connection_for_l2cap_signaling_cid(avrcp_cid);
if (!connection){
log_error("avrcp_unit_info: could not find a connection.");
return;
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
}
if (connection->state != AVCTP_CONNECTION_OPENED) return;
if (connection->state != AVCTP_CONNECTION_OPENED) return ERROR_CODE_COMMAND_DISALLOWED;
connection->state = AVCTP_W2_SEND_COMMAND;
connection->transaction_label++;
@ -1166,15 +1168,16 @@ void avrcp_unit_info(uint16_t avrcp_cid){
memset(connection->cmd_operands, 0xFF, connection->cmd_operands_length);
connection->cmd_operands_length = 5;
avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid);
return ERROR_CODE_SUCCESS;
}
static void avrcp_get_capabilities(uint16_t avrcp_cid, uint8_t capability_id){
static uint8_t avrcp_get_capabilities(uint16_t avrcp_cid, uint8_t capability_id){
avrcp_connection_t * connection = get_avrcp_connection_for_l2cap_signaling_cid(avrcp_cid);
if (!connection){
log_error("avrcp_get_capabilities: could not find a connection.");
return;
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
}
if (connection->state != AVCTP_CONNECTION_OPENED) return;
if (connection->state != AVCTP_CONNECTION_OPENED) return ERROR_CODE_COMMAND_DISALLOWED;
connection->state = AVCTP_W2_SEND_COMMAND;
connection->transaction_label++;
@ -1189,88 +1192,89 @@ static void avrcp_get_capabilities(uint16_t avrcp_cid, uint8_t capability_id){
connection->cmd_operands[7] = capability_id; // capability ID
connection->cmd_operands_length = 8;
avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid);
return ERROR_CODE_SUCCESS;
}
void avrcp_get_supported_company_ids(uint16_t avrcp_cid){
avrcp_get_capabilities(avrcp_cid, AVRCP_CAPABILITY_ID_COMPANY);
uint8_t avrcp_get_supported_company_ids(uint16_t avrcp_cid){
return avrcp_get_capabilities(avrcp_cid, AVRCP_CAPABILITY_ID_COMPANY);
}
void avrcp_get_supported_events(uint16_t avrcp_cid){
avrcp_get_capabilities(avrcp_cid, AVRCP_CAPABILITY_ID_EVENT);
uint8_t avrcp_get_supported_events(uint16_t avrcp_cid){
return avrcp_get_capabilities(avrcp_cid, AVRCP_CAPABILITY_ID_EVENT);
}
void avrcp_play(uint16_t avrcp_cid){
request_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_PLAY, 0);
uint8_t avrcp_play(uint16_t avrcp_cid){
return request_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_PLAY, 0);
}
void avrcp_stop(uint16_t avrcp_cid){
request_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_STOP, 0);
uint8_t avrcp_stop(uint16_t avrcp_cid){
return request_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_STOP, 0);
}
void avrcp_pause(uint16_t avrcp_cid){
request_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_PAUSE, 0);
uint8_t avrcp_pause(uint16_t avrcp_cid){
return request_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_PAUSE, 0);
}
void avrcp_forward(uint16_t avrcp_cid){
request_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_FORWARD, 0);
uint8_t avrcp_forward(uint16_t avrcp_cid){
return request_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_FORWARD, 0);
}
void avrcp_backward(uint16_t avrcp_cid){
request_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_BACKWARD, 0);
uint8_t avrcp_backward(uint16_t avrcp_cid){
return request_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_BACKWARD, 0);
}
void avrcp_start_rewind(uint16_t avrcp_cid){
request_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_REWIND, 0);
uint8_t avrcp_start_rewind(uint16_t avrcp_cid){
return request_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_REWIND, 0);
}
void avrcp_volume_up(uint16_t avrcp_cid){
request_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_VOLUME_UP, 0);
uint8_t avrcp_volume_up(uint16_t avrcp_cid){
return request_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_VOLUME_UP, 0);
}
void avrcp_volume_down(uint16_t avrcp_cid){
request_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_VOLUME_DOWN, 0);
uint8_t avrcp_volume_down(uint16_t avrcp_cid){
return request_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_VOLUME_DOWN, 0);
}
void avrcp_mute(uint16_t avrcp_cid){
request_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_MUTE, 0);
uint8_t avrcp_mute(uint16_t avrcp_cid){
return request_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_MUTE, 0);
}
void avrcp_skip(uint16_t avrcp_cid){
request_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_SKIP, 0);
uint8_t avrcp_skip(uint16_t avrcp_cid){
return request_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_SKIP, 0);
}
void avrcp_stop_rewind(uint16_t avrcp_cid){
uint8_t avrcp_stop_rewind(uint16_t avrcp_cid){
avrcp_connection_t * connection = get_avrcp_connection_for_l2cap_signaling_cid(avrcp_cid);
if (!connection){
log_error("avrcp_stop_rewind: could not find a connection.");
return;
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
}
if (connection->state != AVCTP_W4_STOP) return;
request_pass_through_release_control_cmd(connection);
if (connection->state != AVCTP_W4_STOP) return ERROR_CODE_COMMAND_DISALLOWED;
return request_pass_through_release_control_cmd(connection);
}
void avrcp_start_fast_forward(uint16_t avrcp_cid){
request_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_FAST_FORWARD, 0);
uint8_t avrcp_start_fast_forward(uint16_t avrcp_cid){
return request_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_FAST_FORWARD, 0);
}
void avrcp_stop_fast_forward(uint16_t avrcp_cid){
uint8_t avrcp_stop_fast_forward(uint16_t avrcp_cid){
avrcp_connection_t * connection = get_avrcp_connection_for_l2cap_signaling_cid(avrcp_cid);
if (!connection){
log_error("avrcp_stop_fast_forward: could not find a connection.");
return;
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
}
if (connection->state != AVCTP_W4_STOP) return;
request_pass_through_release_control_cmd(connection);
if (connection->state != AVCTP_W4_STOP) return ERROR_CODE_COMMAND_DISALLOWED;
return request_pass_through_release_control_cmd(connection);
}
void avrcp_get_play_status(uint16_t avrcp_cid){
uint8_t avrcp_get_play_status(uint16_t avrcp_cid){
avrcp_connection_t * connection = get_avrcp_connection_for_l2cap_signaling_cid(avrcp_cid);
if (!connection){
log_error("avrcp_get_play_status: could not find a connection.");
return;
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
}
if (connection->state != AVCTP_CONNECTION_OPENED) return;
if (connection->state != AVCTP_CONNECTION_OPENED) return ERROR_CODE_COMMAND_DISALLOWED;
connection->state = AVCTP_W2_SEND_COMMAND;
connection->transaction_label++;
@ -1284,33 +1288,37 @@ void avrcp_get_play_status(uint16_t avrcp_cid){
big_endian_store_16(connection->cmd_operands, 5, 0); // parameter length
connection->cmd_operands_length = 7;
avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid);
return ERROR_CODE_SUCCESS;
}
void avrcp_enable_notification(uint16_t avrcp_cid, avrcp_notification_event_id_t event_id){
uint8_t avrcp_enable_notification(uint16_t avrcp_cid, avrcp_notification_event_id_t event_id){
avrcp_connection_t * connection = get_avrcp_connection_for_l2cap_signaling_cid(avrcp_cid);
if (!connection){
log_error("avrcp_get_play_status: could not find a connection.");
return;
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
}
avrcp_register_notification(connection, event_id);
return ERROR_CODE_SUCCESS;
}
void avrcp_disable_notification(uint16_t avrcp_cid, avrcp_notification_event_id_t event_id){
uint8_t avrcp_disable_notification(uint16_t avrcp_cid, avrcp_notification_event_id_t event_id){
avrcp_connection_t * connection = get_avrcp_connection_for_l2cap_signaling_cid(avrcp_cid);
if (!connection){
log_error("avrcp_get_play_status: could not find a connection.");
return;
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
}
connection->notifications_to_deregister |= (1 << event_id);
return ERROR_CODE_SUCCESS;
}
void avrcp_get_now_playing_info(uint16_t avrcp_cid){
uint8_t avrcp_get_now_playing_info(uint16_t avrcp_cid){
avrcp_connection_t * connection = get_avrcp_connection_for_l2cap_signaling_cid(avrcp_cid);
if (!connection){
log_error("avrcp_get_capabilities: could not find a connection.");
return;
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
}
if (connection->state != AVCTP_CONNECTION_OPENED) return;
if (connection->state != AVCTP_CONNECTION_OPENED) return ERROR_CODE_COMMAND_DISALLOWED;
connection->state = AVCTP_W2_SEND_COMMAND;
connection->transaction_label++;
@ -1337,16 +1345,16 @@ void avrcp_get_now_playing_info(uint16_t avrcp_cid){
connection->cmd_operands_length = pos;
avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid);
return ERROR_CODE_SUCCESS;
}
void avrcp_set_absolute_volume(uint16_t avrcp_cid, uint8_t volume){
uint8_t avrcp_set_absolute_volume(uint16_t avrcp_cid, uint8_t volume){
avrcp_connection_t * connection = get_avrcp_connection_for_l2cap_signaling_cid(avrcp_cid);
if (!connection){
log_error("avrcp_get_capabilities: could not find a connection.");
return;
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
}
if (connection->state != AVCTP_CONNECTION_OPENED) return;
if (connection->state != AVCTP_CONNECTION_OPENED) return ERROR_CODE_COMMAND_DISALLOWED;
connection->state = AVCTP_W2_SEND_COMMAND;
connection->transaction_label++;
@ -1367,15 +1375,16 @@ void avrcp_set_absolute_volume(uint16_t avrcp_cid, uint8_t volume){
connection->cmd_operands_length = pos;
avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid);
return ERROR_CODE_SUCCESS;
}
void avrcp_query_shuffle_and_repeat_modes(uint16_t avrcp_cid){
uint8_t avrcp_query_shuffle_and_repeat_modes(uint16_t avrcp_cid){
avrcp_connection_t * connection = get_avrcp_connection_for_l2cap_signaling_cid(avrcp_cid);
if (!connection){
log_error("avrcp_get_capabilities: could not find a connection.");
return;
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
}
if (connection->state != AVCTP_CONNECTION_OPENED) return;
if (connection->state != AVCTP_CONNECTION_OPENED) return ERROR_CODE_COMMAND_DISALLOWED;
connection->state = AVCTP_W2_SEND_COMMAND;
connection->transaction_label++;
@ -1395,16 +1404,16 @@ void avrcp_query_shuffle_and_repeat_modes(uint16_t avrcp_cid){
connection->cmd_operands[11] = 0x04; // scan (1-off, 2-all tracks, 3-group scan)
connection->cmd_operands_length = 12;
avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid);
return ERROR_CODE_SUCCESS;
}
static void avrcp_set_current_player_application_setting_value(uint16_t avrcp_cid, uint8_t attribute_id, uint8_t attribute_value){
static uint8_t avrcp_set_current_player_application_setting_value(uint16_t avrcp_cid, uint8_t attribute_id, uint8_t attribute_value){
avrcp_connection_t * connection = get_avrcp_connection_for_l2cap_signaling_cid(avrcp_cid);
if (!connection){
log_error("avrcp_get_capabilities: could not find a connection.");
return;
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
}
if (connection->state != AVCTP_CONNECTION_OPENED) return;
if (connection->state != AVCTP_CONNECTION_OPENED) return ERROR_CODE_COMMAND_DISALLOWED;
connection->state = AVCTP_W2_SEND_COMMAND;
connection->transaction_label++;
@ -1426,24 +1435,26 @@ static void avrcp_set_current_player_application_setting_value(uint16_t avrcp_ci
connection->cmd_operands[pos++] = attribute_value;
connection->cmd_operands_length = pos;
avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid);
return ERROR_CODE_SUCCESS;
}
void avrcp_set_shuffle_mode(uint16_t avrcp_cid, avrcp_shuffle_mode_t mode){
if (mode < AVRCP_SHUFFLE_MODE_OFF || mode > AVRCP_SHUFFLE_MODE_GROUP) return;
avrcp_set_current_player_application_setting_value(avrcp_cid, 0x03, mode);
uint8_t avrcp_set_shuffle_mode(uint16_t avrcp_cid, avrcp_shuffle_mode_t mode){
if (mode < AVRCP_SHUFFLE_MODE_OFF || mode > AVRCP_SHUFFLE_MODE_GROUP) return ERROR_CODE_UNSUPPORTED_FEATURE_OR_PARAMETER_VALUE;
return avrcp_set_current_player_application_setting_value(avrcp_cid, 0x03, mode);
}
void avrcp_set_repeat_mode(uint16_t avrcp_cid, avrcp_repeat_mode_t mode){
if (mode < AVRCP_REPEAT_MODE_OFF || mode > AVRCP_REPEAT_MODE_GROUP) return;
avrcp_set_current_player_application_setting_value(avrcp_cid, 0x02, mode);
uint8_t avrcp_set_repeat_mode(uint16_t avrcp_cid, avrcp_repeat_mode_t mode){
if (mode < AVRCP_REPEAT_MODE_OFF || mode > AVRCP_REPEAT_MODE_GROUP) return ERROR_CODE_UNSUPPORTED_FEATURE_OR_PARAMETER_VALUE;
return avrcp_set_current_player_application_setting_value(avrcp_cid, 0x02, mode);
}
void avrcp_disconnect(uint16_t avrcp_cid){
uint8_t avrcp_disconnect(uint16_t avrcp_cid){
avrcp_connection_t * connection = get_avrcp_connection_for_l2cap_signaling_cid(avrcp_cid);
if (!connection){
log_error("avrcp_get_capabilities: could not find a connection.");
return;
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
}
if (connection->state != AVCTP_CONNECTION_OPENED) return;
if (connection->state != AVCTP_CONNECTION_OPENED) return ERROR_CODE_COMMAND_DISALLOWED;
l2cap_disconnect(connection->l2cap_signaling_cid, 0);
return ERROR_CODE_SUCCESS;
}

113
src/classic/avrcp.h
View File

@ -46,6 +46,8 @@
#define __AVRCP_H
#include <stdint.h>
#include "btstack_run_loop.h"
#include "btstack_linked_list.h"
#if defined __cplusplus
extern "C" {
@ -258,146 +260,197 @@ void avrcp_target_create_sdp_record(uint8_t * service, uint32_t service_record_h
void avrcp_init(void);
/**
* @brief Register callback for the AVDTP Sink client.
* @brief Register callback for the AVRCP Sink client.
* @param callback
*/
void avrcp_register_packet_handler(btstack_packet_handler_t callback);
/**
* @brief Connect to device with a bluetooth address.
* @brief Connect to device with a Bluetooth address.
* @param bd_addr
* @param avrcp_cid
* @returns status
*/
uint8_t avrcp_connect(bd_addr_t bd_addr, uint16_t * avrcp_cid);
void avrcp_disconnect(uint16_t avrcp_cid);
/**
* @brief Disconnect from AVRCP target
* @param avrcp_cid
* @returns status
*/
uint8_t avrcp_disconnect(uint16_t avrcp_cid);
/**
* @brief Unit info.
* @param avrcp_cid
* @returns status
*/
void avrcp_unit_info(uint16_t avrcp_cid);
uint8_t avrcp_unit_info(uint16_t avrcp_cid);
/**
* @brief Get capabilities.
* @param avrcp_cid
* @returns status
*/
void avrcp_get_supported_company_ids(uint16_t avrcp_cid);
void avrcp_get_supported_events(uint16_t avrcp_cid);
uint8_t avrcp_get_supported_company_ids(uint16_t avrcp_cid);
/**
* @brief Get supported Events.
* @param avrcp_cid
* @returns status
*/
uint8_t avrcp_get_supported_events(uint16_t avrcp_cid);
/**
* @brief Play. Event AVRCP_SUBEVENT_OPERATION_COMPLETE returns operation id and status.
* @param avrcp_cid
* @returns status
*/
void avrcp_play(uint16_t avrcp_cid);
uint8_t avrcp_play(uint16_t avrcp_cid);
/**
* @brief Stop. Event AVRCP_SUBEVENT_OPERATION_COMPLETE returns operation id and status.
* @param avrcp_cid
* @returns status
*/
void avrcp_stop(uint16_t avrcp_cid);
uint8_t avrcp_stop(uint16_t avrcp_cid);
/**
* @brief Pause. Event AVRCP_SUBEVENT_OPERATION_COMPLETE returns operation id and status.
* @param avrcp_cid
* @returns status
*/
void avrcp_pause(uint16_t avrcp_cid);
uint8_t avrcp_pause(uint16_t avrcp_cid);
/**
* @brief Fast forward. Event AVRCP_SUBEVENT_OPERATION_COMPLETE returns operation id and status.
* @brief Start Fast Forward. Event AVRCP_SUBEVENT_OPERATION_COMPLETE returns operation id and status.
* @param avrcp_cid
* @returns status
*/
void avrcp_start_fast_forward(uint16_t avrcp_cid);
void avrcp_stop_fast_forward(uint16_t avrcp_cid);
uint8_t avrcp_start_fast_forward(uint16_t avrcp_cid);
/**
* @brief Rewind. Event AVRCP_SUBEVENT_OPERATION_COMPLETE returns operation id and status.
* @brief Stop Fast Forward. Event AVRCP_SUBEVENT_OPERATION_COMPLETE returns operation id and status.
* @param avrcp_cid
* @returns status
*/
void avrcp_start_rewind(uint16_t avrcp_cid);
void avrcp_stop_rewind(uint16_t avrcp_cid);
uint8_t avrcp_stop_fast_forward(uint16_t avrcp_cid);
/**
* @brief Stop Rewind. Event AVRCP_SUBEVENT_OPERATION_COMPLETE returns operation id and status.
* @param avrcp_cid
* @returns status
*/
uint8_t avrcp_start_rewind(uint16_t avrcp_cid);
/**
* @brief Stop Rewind. Event AVRCP_SUBEVENT_OPERATION_COMPLETE returns operation id and status.
* @param avrcp_cid
* @returns status
*/
uint8_t avrcp_stop_rewind(uint16_t avrcp_cid);
/**
* @brief Forward. Event AVRCP_SUBEVENT_OPERATION_COMPLETE returns operation id and status.
* @param avrcp_cid
* @returns status
*/
void avrcp_forward(uint16_t avrcp_cid);
uint8_t avrcp_forward(uint16_t avrcp_cid);
/**
* @brief Backward. Event AVRCP_SUBEVENT_OPERATION_COMPLETE returns operation id and status.
* @param avrcp_cid
* @returns status
*/
void avrcp_backward(uint16_t avrcp_cid);
uint8_t avrcp_backward(uint16_t avrcp_cid);
/**
* @brief Get play status. Returns event of type AVRCP_SUBEVENT_PLAY_STATUS (length, position, play_status).
* If TG does not support SongLength And SongPosition on TG, then TG shall return 0xFFFFFFFF.
* @param avrcp_cid
* @returns status
*/
void avrcp_get_play_status(uint16_t avrcp_cid);
uint8_t avrcp_get_play_status(uint16_t avrcp_cid);
/**
* @brief Register notification. Response via AVRCP_SUBEVENT_ENABLE_NOTIFICATION_COMPLETE.
* @brief Enable notification. Response via AVRCP_SUBEVENT_ENABLE_NOTIFICATION_COMPLETE.
* @param avrcp_cid
* @param event_id
* @returns status
*/
void avrcp_enable_notification(uint16_t avrcp_cid, avrcp_notification_event_id_t event_id);
void avrcp_disable_notification(uint16_t avrcp_cid, avrcp_notification_event_id_t event_id);
uint8_t avrcp_enable_notification(uint16_t avrcp_cid, avrcp_notification_event_id_t event_id);
/**
* @brief Disable notification. Response via AVRCP_SUBEVENT_ENABLE_NOTIFICATION_COMPLETE.
* @param avrcp_cid
* @param event_id
* @returns status
*/
uint8_t avrcp_disable_notification(uint16_t avrcp_cid, avrcp_notification_event_id_t event_id);
/**
* @brief Get info on now playing media.
* @param avrcp_cid
* @returns status
*/
void avrcp_get_now_playing_info(uint16_t avrcp_cid);
uint8_t avrcp_get_now_playing_info(uint16_t avrcp_cid);
/**
* @brief Set absolute volume 0-127 (corresponds to 0-100%). Response via AVRCP_SUBEVENT_SET_ABSOLUTE_VOLUME_RESPONSE
* @param avrcp_cid
* @returns status
*/
void avrcp_set_absolute_volume(uint16_t avrcp_cid, uint8_t volume);
uint8_t avrcp_set_absolute_volume(uint16_t avrcp_cid, uint8_t volume);
/**
* @brief Turns the volume to high. Event AVRCP_SUBEVENT_OPERATION_COMPLETE returns operation id and status.
* @param avrcp_cid
* @returns status
*/
void avrcp_volume_up(uint16_t avrcp_cid);
uint8_t avrcp_volume_up(uint16_t avrcp_cid);
/**
* @brief Turns the volume to low. Event AVRCP_SUBEVENT_OPERATION_COMPLETE returns operation id and status.
* @param avrcp_cid
* @returns status
*/
void avrcp_volume_down(uint16_t avrcp_cid);
uint8_t avrcp_volume_down(uint16_t avrcp_cid);
/**
* @brief Puts the sound out. Event AVRCP_SUBEVENT_OPERATION_COMPLETE returns operation id and status.
* @param avrcp_cid
* @returns status
*/
void avrcp_mute(uint16_t avrcp_cid);
uint8_t avrcp_mute(uint16_t avrcp_cid);
/**
* @brief Skip to next playing media. Event AVRCP_SUBEVENT_OPERATION_COMPLETE returns operation id and status.
* @param avrcp_cid
* @returns status
*/
void avrcp_skip(uint16_t avrcp_cid);
uint8_t avrcp_skip(uint16_t avrcp_cid);
/**
* @brief Query repeat and shuffle mode. Response via AVRCP_SUBEVENT_SHUFFLE_AND_REPEAT_MODE.
* @param avrcp_cid
* @returns status
*/
void avrcp_query_shuffle_and_repeat_modes(uint16_t avrcp_cid);
uint8_t avrcp_query_shuffle_and_repeat_modes(uint16_t avrcp_cid);
/**
* @brief Set shuffle mode. Event AVRCP_SUBEVENT_OPERATION_COMPLETE returns operation id and status.
* @param avrcp_cid
* @returns status
*/
void avrcp_set_shuffle_mode(uint16_t avrcp_cid, avrcp_shuffle_mode_t mode);
uint8_t avrcp_set_shuffle_mode(uint16_t avrcp_cid, avrcp_shuffle_mode_t mode);
/**
* @brief Set repeat mode. Event AVRCP_SUBEVENT_OPERATION_COMPLETE returns operation id and status.
* @param avrcp_cid
* @returns status
*/
void avrcp_set_repeat_mode(uint16_t avrcp_cid, avrcp_repeat_mode_t mode);
uint8_t avrcp_set_repeat_mode(uint16_t avrcp_cid, avrcp_repeat_mode_t mode);
const char * avrcp_subunit2str(uint16_t index);
const char * avrcp_event2str(uint16_t index);