unleashed-firmware/targets/furi_hal_include/furi_hal_speaker.h
2024-03-25 13:53:32 +03:00

68 lines
1.4 KiB
C

/**
* @file furi_hal_speaker.h
* Speaker HAL
*/
#pragma once
#include <furi.h>
#ifdef __cplusplus
extern "C" {
#endif
/** Init speaker */
void furi_hal_speaker_init(void);
/** Deinit speaker */
void furi_hal_speaker_deinit(void);
/** Acquire speaker ownership
*
* @warning You must acquire speaker ownership before use
*
* @param timeout Timeout during which speaker ownership must be acquired
*
* @return bool returns true on success
*/
FURI_WARN_UNUSED bool furi_hal_speaker_acquire(uint32_t timeout);
/** Release speaker ownership
*
* @warning You must release speaker ownership after use
*/
void furi_hal_speaker_release(void);
/** Check current process speaker ownership
*
* @warning always returns true if called from ISR
*
* @return bool returns true if process owns speaker
*/
bool furi_hal_speaker_is_mine(void);
/** Play a note
*
* @warning no ownership check if called from ISR
*
* @param frequency The frequency
* @param volume The volume
*/
void furi_hal_speaker_start(float frequency, float volume);
/** Set volume
*
* @warning no ownership check if called from ISR
*
* @param volume The volume
*/
void furi_hal_speaker_set_volume(float volume);
/** Stop playback
*
* @warning no ownership check if called from ISR
*/
void furi_hal_speaker_stop(void);
#ifdef __cplusplus
}
#endif