I2S引脚

#define I2S0_MCLK_GPIO     (GPIO_NUM_35) //主时钟 位时钟的128倍 mclk = 128 * LRCK
#define I2S0_BCK_GPIO      (GPIO_NUM_54)    //也是SCLK
#define I2S0_WS_GPIO       (GPIO_NUM_52)        //LRCK
#define I2S0_DOUT_GPIO     (GPIO_NUM_3)        //DATA_OUT
#define I2S0_DIN_GPIO      (GPIO_NUM_1)        //DATA_IN