Arduino A2DP
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Common Bluetooth A2DP functions. More...
#include <BluetoothA2DPCommon.h>
Public Member Functions | |
virtual | ~BluetoothA2DPCommon ()=default |
Destructor. | |
void | set_auto_reconnect (bool active) |
activate / deactivate the automatic reconnection to the last address (per default this is on) | |
virtual void | disconnect () |
Closes the connection. | |
virtual bool | reconnect () |
Reconnects to the last device. | |
virtual bool | connect_to (esp_bd_addr_t peer) |
Connnects to the indicated address. | |
virtual void | set_connected (bool active) |
Calls disconnect or reconnect. | |
virtual void | end (bool releaseMemory=false) |
Closes the connection and stops A2DP. | |
virtual bool | is_connected () |
Checks if A2DP is connected. | |
virtual void | set_volume (uint8_t volume) |
Sets the volume (range 0 - 255) | |
virtual int | get_volume () |
Determines the actual volume. | |
virtual void | set_volume_control (A2DPVolumeControl *ptr) |
you can define a custom VolumeControl implementation | |
virtual esp_a2d_audio_state_t | get_audio_state () |
Determine the actual audio state. | |
virtual esp_a2d_connection_state_t | get_connection_state () |
Determine the connection state. | |
virtual void | set_on_connection_state_changed (void(*callBack)(esp_a2d_connection_state_t state, void *), void *obj=nullptr) |
Set the callback that is called when the connection state is changed. More... | |
virtual void | set_on_audio_state_changed_post (void(*callBack)(esp_a2d_audio_state_t state, void *), void *obj=nullptr) |
virtual void | set_on_audio_state_changed (void(*callBack)(esp_a2d_audio_state_t state, void *), void *obj=nullptr) |
Set the callback that is called when the audio state is changed. More... | |
virtual void | debounce (void(*cb)(void), int ms) |
Prevents that the same method is executed multiple times within the indicated time limit. | |
void | log_free_heap () |
Logs the free heap. | |
const char * | to_str (esp_a2d_connection_state_t state) |
converts esp_a2d_connection_state_t to a string | |
const char * | to_str (esp_a2d_audio_state_t state) |
converts a esp_a2d_audio_state_t to a string | |
const char * | to_str (esp_bd_addr_t bda) |
converts a esp_bd_addr_t to a string - the string is 18 characters long! | |
const char * | to_str (esp_avrc_playback_stat_t state) |
converts esp_avrc_playback_stat_t to a string More... | |
void | set_task_priority (UBaseType_t priority) |
defines the task priority (the default value is configMAX_PRIORITIES - 10) | |
void | set_task_core (BaseType_t core) |
Defines the core which is used to start the tasks (to process the events and audio queue) | |
void | set_event_queue_size (int size) |
Defines the queue size of the event task. | |
void | set_event_stack_size (int size) |
Defines the stack size of the event task (in bytes) | |
virtual esp_bd_addr_t * | get_last_peer_address () |
Provides the address of the last device. | |
virtual void | set_discoverability (esp_bt_discovery_mode_t d) |
Bluetooth discoverability. More... | |
virtual void | set_connectable (bool connectable) |
Bluetooth connectable. | |
virtual const char * | get_name () |
Provides the actual SSID name. | |
virtual void | clean_last_connection () |
clean last connection (delete) | |
virtual void | set_default_bt_mode (esp_bt_mode_t mode) |
Defines the default bt mode. The default is ESP_BT_MODE_CLASSIC_BT: use this e.g. to set to ESP_BT_MODE_BTDM. | |
Protected Member Functions | |
virtual esp_err_t | esp_a2d_connect (esp_bd_addr_t peer)=0 |
virtual const char * | last_bda_nvs_name ()=0 |
virtual void | get_last_connection () |
virtual void | set_last_connection (esp_bd_addr_t bda) |
virtual bool | has_last_connection () |
virtual void | set_scan_mode_connectable (bool connectable) |
Defines if the bluetooth is connectable. | |
virtual void | set_scan_mode_connectable_default ()=0 |
virtual A2DPVolumeControl * | volume_control () |
provides access to the VolumeControl object | |
Protected Attributes | |
const char * | bt_name = {0} |
esp_bd_addr_t | peer_bd_addr |
ReconnectStatus | reconnect_status = NoReconnect |
unsigned long | reconnect_timout =0 |
unsigned int | default_reconnect_timout =10000 |
bool | is_autoreconnect_allowed = false |
uint32_t | debounce_ms = 0 |
A2DPDefaultVolumeControl | default_volume_control |
A2DPVolumeControl * | volume_control_ptr = nullptr |
esp_bd_addr_t | last_connection = {0,0,0,0,0,0} |
bool | is_start_disabled = false |
void(* | connection_state_callback )(esp_a2d_connection_state_t state, void *obj) = nullptr |
void(* | audio_state_callback )(esp_a2d_audio_state_t state, void *obj) = nullptr |
void(* | audio_state_callback_post )(esp_a2d_audio_state_t state, void *obj) = nullptr |
void * | connection_state_obj = nullptr |
void * | audio_state_obj = nullptr |
void * | audio_state_obj_post = nullptr |
const char * | m_a2d_conn_state_str [4] = {"Disconnected", "Connecting", "Connected", "Disconnecting"} |
const char * | m_a2d_audio_state_str [3] = {"Suspended", "Stopped", "Started"} |
const char * | m_avrc_playback_state_str [5] = {"stopped", "playing", "paused", "forward seek", "reverse seek"} |
esp_a2d_audio_state_t | audio_state = ESP_A2D_AUDIO_STATE_STOPPED |
esp_a2d_connection_state_t | connection_state = ESP_A2D_CONNECTION_STATE_DISCONNECTED |
UBaseType_t | task_priority = configMAX_PRIORITIES - 10 |
uint8_t | volume_value = 0 |
bool | is_volume_used = false |
BaseType_t | task_core = 1 |
int | event_queue_size = 20 |
int | event_stack_size = 3072 |
esp_bt_mode_t | bt_mode = ESP_BT_MODE_CLASSIC_BT |
esp_bt_discovery_mode_t | discoverability = ESP_BT_GENERAL_DISCOVERABLE |
Common Bluetooth A2DP functions.
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virtual |
Bluetooth discoverability.
Defines if the bluetooth is discoverable.
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virtual |
Set the callback that is called when the audio state is changed.
Set the callback that is called when the audio state is changed This callback is called before the I2S bus is changed.
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Set the callback that is called after the audio state has changed. This callback is called after the I2S bus has changed.
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virtual |
Set the callback that is called when the connection state is changed.
Set the callback that is called when the connection state is changed This callback is called before the I2S bus is changed.
const char * BluetoothA2DPCommon::to_str | ( | esp_avrc_playback_stat_t | state | ) |
converts esp_avrc_playback_stat_t to a string
converts a esp_a2d_audio_state_t to a string