diff options
Diffstat (limited to 'controller/fw/src/adc.c')
| -rw-r--r-- | controller/fw/src/adc.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/controller/fw/src/adc.c b/controller/fw/src/adc.c index 07431be..74f0aa9 100644 --- a/controller/fw/src/adc.c +++ b/controller/fw/src/adc.c @@ -51,8 +51,9 @@ void adc_init() { ADC1->CR1 = (0<<ADC_CR1_RES_Pos) | (0<<ADC_CR1_DISCNUM_Pos) | ADC_CR1_DISCEN | (0<<ADC_CR1_AWDCH_Pos); ADC1->CR2 = (1<<ADC_CR2_EXTEN_Pos) | (0<<ADC_CR2_EXTSEL_Pos) | ADC_CR2_DMA | ADC_CR2_ADON | ADC_CR2_DDS; - ADC1->SQR3 = (adc_channel<<ADC_SQR3_SQ3_Pos); + ADC1->SQR3 = (adc_channel<<ADC_SQR3_SQ1_Pos); ADC1->SQR1 = (0<<ADC_SQR1_L_Pos); + ADC1->SMPR2 = (7<<ADC_SMPR2_SMP0_Pos); TIM1->CR2 = (2<<TIM_CR2_MMS_Pos); /* Enable update event on TRGO to provide a 1ms reference to rest of system */ TIM1->CCMR1 = (6<<TIM_CCMR1_OC1M_Pos) | (0<<TIM_CCMR1_CC1S_Pos); @@ -86,11 +87,17 @@ void DMA2_Stream0_IRQHandler(void) { uint8_t isr = (DMA2->LISR >> DMA_LISR_FEIF0_Pos) & 0x3f; GPIOA->ODR ^= 1<<7; + GPIOA->BSRR = 1<<10; if (isr & DMA_LISR_TCIF0) { /* Transfer complete */ /* Check we're done processing the old buffer */ - if (adc_fft_buf_ready_idx != -1) + if (adc_fft_buf_ready_idx != -1) { /* FIXME DEBUG */ + GPIOA->BSRR = 1<<10<<16; + /* clear all flags */ + adc_dma->LIFCR = isr<<DMA_LISR_FEIF0_Pos; + return; panic(); + } /* Kickoff FFT */ int ct = !!(adc_stream->CR & DMA_SxCR_CT); @@ -103,6 +110,7 @@ void DMA2_Stream0_IRQHandler(void) { if (isr & DMA_LISR_TEIF0) /* Transfer error */ panic(); + GPIOA->BSRR = 1<<10<<16; /* clear all flags */ adc_dma->LIFCR = isr<<DMA_LISR_FEIF0_Pos; } |