56 lines
1.6 KiB
C
56 lines
1.6 KiB
C
#include "main.h"
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#include "BSP_ADC.h"
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#include "adc.h"
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#include "stdbool.h"
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#define ADC_CONVERTED_DATA_BUFFER_SIZE ((uint32_t) 16) /* Size of array aADCxConvertedData[] */
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ALIGN_32BYTES (static uint16_t aADCxConvertedData[ADC_CONVERTED_DATA_BUFFER_SIZE]);
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static bool adcIsInitialized = false;
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//start the ADC conversion
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void BSP_ADC_Start()
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{
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if (HAL_ADCEx_Calibration_Start(&hadc1, ADC_CALIB_OFFSET_LINEARITY, ADC_SINGLE_ENDED) != HAL_OK)
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{
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Error_Handler();
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}
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if (HAL_ADC_Start_DMA(&hadc1,
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(uint32_t *)aADCxConvertedData,
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ADC_CONVERTED_DATA_BUFFER_SIZE
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) != HAL_OK)
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{
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Error_Handler();
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}
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adcIsInitialized = true;
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}
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/**
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* @brief Conversion complete callback in non-blocking mode
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* @param hadc: ADC handle
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* @retval None
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*/
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void HAL_ADC_ConvHalfCpltCallback(ADC_HandleTypeDef* hadc)
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{
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/* Invalidate Data Cache to get the updated content of the SRAM on the first half of the ADC converted data buffer: 32 bytes */
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SCB_InvalidateDCache_by_Addr((uint32_t *) &aADCxConvertedData[0], ADC_CONVERTED_DATA_BUFFER_SIZE);
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}
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/**
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* @brief Conversion DMA half-transfer callback in non-blocking mode
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* @param hadc: ADC handle
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* @retval None
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*/
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void HAL_ADC_ConvCpltCallback(ADC_HandleTypeDef* hadc)
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{
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/* Invalidate Data Cache to get the updated content of the SRAM on the second half of the ADC converted data buffer: 32 bytes */
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SCB_InvalidateDCache_by_Addr((uint32_t *) &aADCxConvertedData[ADC_CONVERTED_DATA_BUFFER_SIZE/2], ADC_CONVERTED_DATA_BUFFER_SIZE);
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} |