#ifndef __NS4168_H__
#define __NS4168_H__

#include "driver/gpio.h"
#include "driver/i2s.h"
#include "esp_err.h"

#ifdef __cplusplus
extern "C" {
#endif

/* 先用宏定义占位引脚，后续再改成实际板子上的 GPIO */
#define NS4168_I2S_PORT          I2S_NUM_1
#define NS4168_CTRL_GPIO         GPIO_NUM_33
#define NS4168_I2S_BCK_PIN       GPIO_NUM_31
#define NS4168_I2S_WS_PIN        GPIO_NUM_32
#define NS4168_I2S_DOUT_PIN      GPIO_NUM_30
#define NS4168_I2S_SAMPLE_RATE   24000
#define NS4168_I2S_BITS          I2S_BITS_PER_SAMPLE_16BIT
#define NS4168_I2S_CHANNELS      I2S_CHANNEL_FMT_ONLY_RIGHT

esp_err_t ns4168_i2s_init(void);
esp_err_t ns4168_start_white_noise_test(void);

#ifdef __cplusplus
}
#endif

#endif /* __NS4168_H__ */