diff options
Diffstat (limited to 'code/fe310/eos/i2s.h')
| -rw-r--r-- | code/fe310/eos/i2s.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/code/fe310/eos/i2s.h b/code/fe310/eos/i2s.h index b9f2e02..09b9228 100644 --- a/code/fe310/eos/i2s.h +++ b/code/fe310/eos/i2s.h @@ -1,5 +1,8 @@ #include <stdint.h> +#define EOS_I2S_FMT_ALAW 0 +#define EOS_I2S_FMT_PCM16 1 + typedef struct EOSABuf { uint16_t idx_r; uint16_t idx_w; @@ -12,15 +15,18 @@ typedef void (*eos_i2s_fptr_t) (unsigned char); void eos_i2s_init(uint32_t sample_rate); void eos_i2s_start(void); void eos_i2s_stop(void); +void eos_i2s_set_fmt(unsigned char fmt); void eos_i2s_mic_init(uint8_t *mic_arr, uint16_t mic_arr_size); void eos_i2s_mic_set_handler(eos_i2s_fptr_t wm_handler); void eos_i2s_mic_set_wm(uint16_t wm); uint16_t eos_i2s_mic_len(void); uint16_t eos_i2s_mic_read(uint8_t *sample, uint16_t ssize); -int eos_i2s_mic_pop(uint8_t *sample); +int eos_i2s_mic_pop8(uint8_t *sample); +int eos_i2s_mic_pop16(uint16_t *sample); void eos_i2s_spk_init(uint8_t *mic_arr, uint16_t mic_arr_size); void eos_i2s_spk_set_handler(eos_i2s_fptr_t wm_handler); void eos_i2s_spk_set_wm(uint16_t wm); uint16_t eos_i2s_spk_len(void); uint16_t eos_i2s_spk_write(uint8_t *sample, uint16_t ssize); -int eos_i2s_spk_push(uint8_t sample); +int eos_i2s_spk_push8(uint8_t sample); +int eos_i2s_spk_push16(uint16_t sample); |