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#define I2S_EVT_MIC 0x0
#define I2S_EVT_SPK 0x1
#define I2S_MAX_HANDLER 2
#define I2S_PIN_CK 19 // pin 3
#define I2S_PIN_WS 11 // pin 17
#define I2S_PIN_SD 12 // pin 18
#define I2S_PIN_LR 13 // pin 19
#define I2S_IRQ_SD_ID (INT_PWM1_BASE + 2)
#define I2S_IRQ_CK_ID (INT_PWM1_BASE + 0)
#define I2S_IRQ_WS_ID (INT_PWM2_BASE + 0)
#define I2S_IRQ_CI_ID (INT_PWM2_BASE + 2)
#define I2S_IRQ_SD_PRIORITY 7
#define I2S_IRQ_CK_PRIORITY 7
#define I2S_IRQ_WS_PRIORITY 6
#define I2S_IRQ_CI_PRIORITY 6
#define I2S_IRQ_MASK 5
#define I2S_SMPL_WIDTH 13
/* asm */
#define I2S_ABUF_OFF_IDXR 0
#define I2S_ABUF_OFF_IDXW 2
#define I2S_ABUF_OFF_SIZE 4
#define I2S_ABUF_OFF_ARRAY 8
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