diff options
Diffstat (limited to 'code/fe310/eos')
| -rw-r--r-- | code/fe310/eos/i2s.c | 41 | ||||
| -rw-r--r-- | code/fe310/eos/i2s.h | 4 |
2 files changed, 34 insertions, 11 deletions
diff --git a/code/fe310/eos/i2s.c b/code/fe310/eos/i2s.c index 47be820..b771495 100644 --- a/code/fe310/eos/i2s.c +++ b/code/fe310/eos/i2s.c @@ -22,8 +22,8 @@ uint32_t _eos_i2s_mic_wm = 0; uint32_t _eos_i2s_spk_wm = 0; uint32_t _eos_i2s_mic_volume = 3; uint32_t _eos_i2s_spk_volume = 3; -uint32_t _eos_i2s_mic_rd = 1; -uint32_t _eos_i2s_spk_wr = 1; +uint32_t _eos_i2s_mic_rd = 0; +uint32_t _eos_i2s_spk_wr = 0; static eos_evt_fptr_t evt_handler[I2S_MAX_HANDLER]; static void _abuf_init(EOSABuf *buf, uint8_t *array, uint16_t size) { @@ -121,30 +121,44 @@ void eos_i2s_init(void) { I2S_PWM_REG_WS(PWM_CMP1) = (_eos_i2s_ck_period + 1) * 32; I2S_PWM_REG_WS(PWM_CMP2) = (_eos_i2s_ck_period + 1) * 62; - eos_intr_set(I2S_IRQ_SD_ID, I2S_IRQ_SD_PRIORITY, NULL); - eos_intr_set(I2S_IRQ_CK_ID, I2S_IRQ_CK_PRIORITY, NULL); - eos_intr_set(I2S_IRQ_WS_ID, I2S_IRQ_WS_PRIORITY, NULL); - eos_intr_set(I2S_IRQ_CI_ID, I2S_IRQ_CI_PRIORITY, NULL); - + eos_intr_set(I2S_IRQ_SD_ID, 0, NULL); + eos_intr_set(I2S_IRQ_CK_ID, 0, NULL); + eos_intr_set(I2S_IRQ_WS_ID, 0, NULL); + eos_intr_set(I2S_IRQ_CI_ID, 0, NULL); for (i=0; i<I2S_MAX_HANDLER; i++) { evt_handler[i] = eos_evtq_bad_handler; } eos_evtq_set_handler(EOS_EVT_AUDIO, audio_handler, EOS_EVT_FLAG_WRAP); } -void eos_i2s_init_mic(uint8_t *mic_arr, uint16_t mic_arr_size, uint16_t mic_wm, eos_evt_fptr_t mic_wm_handler) { +void eos_i2s_init_mic(uint8_t *mic_arr, uint16_t mic_arr_size, eos_evt_fptr_t mic_wm_handler, uint16_t mic_wm) { _abuf_init(&_eos_i2s_mic_buf, mic_arr, mic_arr_size); _eos_i2s_mic_wm = mic_wm; evt_handler[I2S_EVT_MIC] = mic_wm_handler; + if (mic_wm) { + _eos_i2s_mic_rd = 1; + } else { + _eos_i2s_mic_rd = 0; + } } -void eos_i2s_init_spk(uint8_t *spk_arr, uint16_t spk_arr_size, uint16_t spk_wm, eos_evt_fptr_t spk_wm_handler) { +void eos_i2s_init_spk(uint8_t *spk_arr, uint16_t spk_arr_size, eos_evt_fptr_t spk_wm_handler, uint16_t spk_wm) { _abuf_init(&_eos_i2s_spk_buf, spk_arr, spk_arr_size); _eos_i2s_spk_wm = spk_wm; evt_handler[I2S_EVT_SPK] = spk_wm_handler; + if (spk_wm) { + _eos_i2s_spk_wr = 1; + } else { + _eos_i2s_spk_wr = 0; + } } void eos_i2s_start(void) { + eos_intr_set_priority(I2S_IRQ_SD_ID, I2S_IRQ_SD_PRIORITY); + eos_intr_set_priority(I2S_IRQ_CK_ID, I2S_IRQ_CK_PRIORITY); + eos_intr_set_priority(I2S_IRQ_WS_ID, I2S_IRQ_WS_PRIORITY); + eos_intr_set_priority(I2S_IRQ_CI_ID, I2S_IRQ_CI_PRIORITY); + I2S_PWM_REG_CK(PWM_COUNT) = 0; I2S_PWM_REG_WS(PWM_COUNT) = 0; @@ -164,6 +178,14 @@ void eos_i2s_stop(void) { I2S_PWM_REG_CK(PWM_COUNT) = 0; I2S_PWM_REG_WS(PWM_COUNT) = 0; + eos_intr_set_priority(I2S_IRQ_SD_ID, 0); + eos_intr_set_priority(I2S_IRQ_CK_ID, 0); + eos_intr_set_priority(I2S_IRQ_WS_ID, 0); + eos_intr_set_priority(I2S_IRQ_CI_ID, 0); + eos_intr_mask(0); + eos_i2s_init_mic(NULL, 0, NULL, 0); + eos_i2s_init_spk(NULL, 0, NULL, 0); + GPIO_REG(GPIO_IOF_EN) &= ~(1 << I2S_PIN_CK); GPIO_REG(GPIO_IOF_SEL) &= ~(1 << I2S_PIN_CK); @@ -174,6 +196,7 @@ void eos_i2s_stop(void) { } uint16_t eos_i2s_mic_len(void) { + clear_csr(mstatus, MSTATUS_MIE); uint16_t ret = _abuf_len(&_eos_i2s_mic_buf); set_csr(mstatus, MSTATUS_MIE); return ret; diff --git a/code/fe310/eos/i2s.h b/code/fe310/eos/i2s.h index 29e7a28..6833948 100644 --- a/code/fe310/eos/i2s.h +++ b/code/fe310/eos/i2s.h @@ -8,8 +8,8 @@ typedef struct EOSABuf { } EOSABuf; void eos_i2s_init(void); -void eos_i2s_init_mic(uint8_t *mic_arr, uint16_t mic_arr_size, uint16_t mic_wm, eos_evt_fptr_t mic_wm_handler); -void eos_i2s_init_spk(uint8_t *spk_arr, uint16_t spk_arr_size, uint16_t spk_wm, eos_evt_fptr_t spk_wm_handler); +void eos_i2s_init_mic(uint8_t *mic_arr, uint16_t mic_arr_size, eos_evt_fptr_t mic_wm_handler, uint16_t mic_wm); +void eos_i2s_init_spk(uint8_t *spk_arr, uint16_t spk_arr_size, eos_evt_fptr_t spk_wm_handler, uint16_t spk_wm); void eos_i2s_start(void); void eos_i2s_stop(void); uint16_t eos_i2s_mic_len(void); |