diff options
Diffstat (limited to 'code/fe310/eos/i2s_def.h')
-rw-r--r-- | code/fe310/eos/i2s_def.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/code/fe310/eos/i2s_def.h b/code/fe310/eos/i2s_def.h new file mode 100644 index 0000000..04e9c27 --- /dev/null +++ b/code/fe310/eos/i2s_def.h @@ -0,0 +1,28 @@ +#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 |