/******************************************************************************
 * @file    car_audio_test.h
 * @brief   Car audio hardware test API using the SDK key-tone sine path.
 ******************************************************************************/
#include <stdint.h>
#ifndef __CAR_AUDIO_TEST_H__
#define __CAR_AUDIO_TEST_H__

/**
 * @brief Play the bird-call MP3 stored in the internal resource area.
 *
 * The API only queues a request. Playback is asynchronous in the SDK key-tone
 * task; it does not wait for completion or block the caller. This test is not
 * triggered automatically; call it explicitly from test code.
 *
 * @return 0=request queued; negative value=module unavailable/request failed.
 */
int Car_Audio_Test_Play(void);

/**
 * @brief 开机状态下维护循环测试音。
 * @param dt_ms 距离上次调用的毫秒数
 */
void Car_Audio_Test_Loop(uint16_t dt_ms);

#endif /* __CAR_AUDIO_TEST_H__ */