esp_avrc_ct_send_register_notification_cmd() function

Send register notification command to AVRCP target. This function should be called after ESP_AVRC_CT_CONNECTION_STATE_EVT is received and AVRCP connection is established.

Syntax

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Summary

Declaration

from esp_avrc_api.h:537

esp_err_t esp_avrc_ct_send_register_notification_cmd(uint8_t tl, uint8_t event_id, uint32_t event_parameter);

Arguments

Argument

Description

transaction label, 0 to 15, consecutive commands should use different values.

event_id

id of events, e.g. ESP_AVRC_RN_PLAY_STATUS_CHANGE, ESP_AVRC_RN_TRACK_CHANGE, etc.

event_parameter

playback interval for ESP_AVRC_RN_PLAY_POS_CHANGED; For other events , value of this parameter is ignored.

Return value

- ESP_OK: success - ESP_ERR_INVALID_STATE: if bluetooth stack is not yet enabled - ESP_ERR_NOT_SUPPORTED: if the event_id is not supported in current implementation - ESP_FAIL: others

Examples

esp_avrc_ct_send_register_notification_cmd() is referenced by 3 libraries and example projects:

References

from examples

esp_avrc_ct_send_register_notification_cmd() function

Syntax

Arguments

Return value

Examples

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