/**
* @brief ADC MSP Initialization
* This function configures the hardware resources used in this example:
* - Peripheral's clock enable
* - Peripheral's GPIO Configuration
* @param huart: UART handle pointer
* @retval None
*/
void HAL_ADC_MspInit(ADC_HandleTypeDef *hadc)
{
GPIO_InitTypeDef GPIO_InitStruct;
static DMA_HandleTypeDef hdma_adc;
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* Enable GPIO clock */
ADCxy_CHANNEL_GPIO_CLK_ENABLE();
/* ADCx Periph clock enable */
ADCx_CLK_ENABLE();
/* ADCy Periph clock enable */
ADCy_CLK_ENABLE();
/* Enable DMA clock */
DMAxy_CLK_ENABLE();
/*##-2- Configure peripheral GPIO ##########################################*/
/* ADCx and ADCy Channel GPIO pin configuration */
GPIO_InitStruct.Pin = ADCxy_CHANNEL_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(ADCxy_CHANNEL_GPIO_PORT, &GPIO_InitStruct);
/*##-3- Configure the DMA ##################################################*/
/* Set the parameters to be configured */
hdma_adc.Instance = ADCxy_DMA_STREAM;
hdma_adc.Init.Channel = ADCxy_DMA_CHANNEL;
hdma_adc.Init.Direction = DMA_PERIPH_TO_MEMORY;
hdma_adc.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_adc.Init.MemInc = DMA_MINC_ENABLE;
hdma_adc.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
hdma_adc.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
hdma_adc.Init.Mode = DMA_CIRCULAR;
hdma_adc.Init.Priority = DMA_PRIORITY_HIGH;
hdma_adc.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
hdma_adc.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_HALFFULL;
hdma_adc.Init.MemBurst = DMA_MBURST_SINGLE;
hdma_adc.Init.PeriphBurst = DMA_PBURST_SINGLE;
HAL_DMA_Init(&hdma_adc);
/* Associate the initialized DMA handle to the the UART handle */
__HAL_LINKDMA(hadc, DMA_Handle, hdma_adc);
/*##-4- Configure the NVIC for DMA #########################################*/
/* NVIC configuration for DMA transfer complete interrupt */
HAL_NVIC_SetPriority(ADCxy_DMA_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(ADCxy_DMA_IRQn);
}
/**
* @brief ADC MSP Initialization
* This function configures the hardware resources used in this example:
* - Configuration of peripheral clock
* - Configuration of GPIO associated to the peripheral channels
* - Configuration of DMA
* - Configuration of interruptions
* @param huart: UART handle pointer
* @retval None
*/
void HAL_ADC_MspInit(ADC_HandleTypeDef *hadc)
{
GPIO_InitTypeDef GPIO_InitStruct;
static DMA_HandleTypeDef hdma_adc;
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* Enable GPIO clock */
ADCxy_CHANNEL_GPIO_CLK_ENABLE();
/* ADCx Periph clock enable */
ADCx_CLK_ENABLE();
/* ADCy Periph clock enable */
ADCy_CLK_ENABLE();
/* Enable DMA clock */
DMAxy_CLK_ENABLE();
/*##-2- Configure peripheral GPIO ##########################################*/
/* ADCx and ADCy Channel GPIO pin configuration */
GPIO_InitStruct.Pin = ADCxy_CHANNEL_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(ADCxy_CHANNEL_GPIO_PORT, &GPIO_InitStruct);
/*##-3- Configure the DMA channels ##########################################*/
/* Set the parameters to be configured */
hdma_adc.Instance = ADCxy_DMA_STREAM; /* DMA channel of ADC1 (ADC master) */
hdma_adc.Init.Direction = DMA_PERIPH_TO_MEMORY;
hdma_adc.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_adc.Init.MemInc = DMA_MINC_ENABLE;
hdma_adc.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD; /* Transfer by half-word to match with ADC resolution 6 or 8 bits */
hdma_adc.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD; /* Transfer by half-word to match with ADC resolution 6 or 8 bits */
hdma_adc.Init.Mode = DMA_CIRCULAR; /* DMA in circular mode to match with ADC-DMA continuous requests */
hdma_adc.Init.Priority = DMA_PRIORITY_HIGH;
HAL_DMA_Init(&hdma_adc);
/* Associate the initialized DMA handle to the the ADC handle */
__HAL_LINKDMA(hadc, DMA_Handle, hdma_adc);
/*##-4- Configure the NVIC for DMA #########################################*/
/* NVIC configuration for DMA transfer complete interrupt */
HAL_NVIC_SetPriority(ADCxy_DMA_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(ADCxy_DMA_IRQn);
}
