#include "main.h"
#include "BSP_ADC.h"
#include "adc.h"
#include "stdbool.h"

#define ADC_CONVERTED_DATA_BUFFER_SIZE   ((uint32_t) 16)   /* Size of array aADCxConvertedData[] */
ALIGN_32BYTES (static uint16_t   aADCxConvertedData[ADC_CONVERTED_DATA_BUFFER_SIZE]);


static bool adcIsInitialized = false;

//start the ADC conversion
void BSP_ADC_Start()
{


  if (HAL_ADCEx_Calibration_Start(&hadc1, ADC_CALIB_OFFSET_LINEARITY, ADC_SINGLE_ENDED) != HAL_OK)
  {
    Error_Handler();
  }


  if (HAL_ADC_Start_DMA(&hadc1,
                        (uint32_t *)aADCxConvertedData,
                        ADC_CONVERTED_DATA_BUFFER_SIZE
                       ) != HAL_OK)
  {
    Error_Handler();
  }
  
    adcIsInitialized = true;

}


/**
  * @brief  Conversion complete callback in non-blocking mode
  * @param  hadc: ADC handle
  * @retval None
  */
void HAL_ADC_ConvHalfCpltCallback(ADC_HandleTypeDef* hadc)
{
  /* Invalidate Data Cache to get the updated content of the SRAM on the first half of the ADC converted data buffer: 32 bytes */
  SCB_InvalidateDCache_by_Addr((uint32_t *) &aADCxConvertedData[0], ADC_CONVERTED_DATA_BUFFER_SIZE);
}

/**
  * @brief  Conversion DMA half-transfer callback in non-blocking mode
  * @param  hadc: ADC handle
  * @retval None
  */
void HAL_ADC_ConvCpltCallback(ADC_HandleTypeDef* hadc)
{
   /* Invalidate Data Cache to get the updated content of the SRAM on the second half of the ADC converted data buffer: 32 bytes */
  SCB_InvalidateDCache_by_Addr((uint32_t *) &aADCxConvertedData[ADC_CONVERTED_DATA_BUFFER_SIZE/2], ADC_CONVERTED_DATA_BUFFER_SIZE);
}