diff options
Diffstat (limited to 'fw/adc.c')
| -rw-r--r-- | fw/adc.c | 12 |
1 files changed, 9 insertions, 3 deletions
@@ -38,12 +38,12 @@ void adc_configure_scope_mode(uint8_t channel_mask, int sampling_interval_ns) { /* First, disable trigger timer, DMA and ADC in case we're reconfiguring on the fly. */ TIM1->CR1 &= ~TIM_CR1_CEN; ADC1->CR &= ~ADC_CR_ADSTART; - DMA1_Channel1->CCR &= ~DMA_CCR_EN; /* Enable channel */ + DMA1_Channel1->CCR &= ~DMA_CCR_EN; /* keep track of current mode in global variable */ st.adc_mode = ADC_SCOPE; - adc_dma_init(sizeof(adc_buf)/sizeof(adc_buf[0]), false); + adc_dma_init(sizeof(adc_buf)/sizeof(adc_buf[0]), true); /* Clock from PCLK/4 instead of the internal exclusive high-speed RC oscillator. */ ADC1->CFGR2 = (2<<ADC_CFGR2_CKMODE_Pos); /* Use PCLK/4=12MHz */ @@ -59,7 +59,9 @@ void adc_configure_scope_mode(uint8_t channel_mask, int sampling_interval_ns) { /* Perform self-calibration */ ADC1->CR |= ADC_CR_ADCAL; while (ADC1->CR & ADC_CR_ADCAL) + ; /* Enable conversion */ + ADC1->CR |= ADC_CR_ADEN; ADC1->CR |= ADC_CR_ADSTART; if (sampling_interval_ns == SAMPLE_FAST) @@ -78,7 +80,7 @@ void adc_configure_monitor_mode(int oversampling, int ivl_us, int mean_aggregate /* First, disable trigger timer, DMA and ADC in case we're reconfiguring on the fly. */ TIM1->CR1 &= ~TIM_CR1_CEN; ADC1->CR &= ~ADC_CR_ADSTART; - DMA1_Channel1->CCR &= ~DMA_CCR_EN; /* Enable channel */ + DMA1_Channel1->CCR &= ~DMA_CCR_EN; /* keep track of current mode in global variable */ st.adc_mode = ADC_MONITOR; @@ -162,6 +164,9 @@ static void adc_timer_init(int psc, int ivl) { void DMA1_Channel1_IRQHandler(void) { /* Clear the interrupt flag */ DMA1->IFCR |= DMA_IFCR_CGIF1; + + if (st.adc_mode == ADC_SCOPE) + return; for (int i=0; i<NCH; i++) st.adc_aggregate[i] += adc_buf[i]; @@ -202,6 +207,7 @@ void DMA1_Channel1_IRQHandler(void) { if (st.detector.len_ctr - st.detector.committed_len_ctr > st.detector.base_interval_cycles) { st.detector.committed_len_ctr = st.detector.len_ctr; st.detector.symbol = xfr_8b10b_feed_bit((struct state_8b10b_dec *)&st.detector.rx8b10b, st.detector.bit); + //if (st.detector.symbol != -DECODING_IN_PROGRESS) } if (st.detector.debounce_ctr == 0) { |