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/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file ADC/ADC_AnalogWatchdog/Src/stm32wbxx_hal_msp.c
* @author MCD Application Team
* @brief HAL MSP module.
******************************************************************************
* @attention
*
* <h2><center>© Copyright (c) 2019 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
/* USER CODE BEGIN Includes */
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN TD */
/* USER CODE END TD */
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN Define */
/* USER CODE END Define */
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN Macro */
/* USER CODE END Macro */
/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
/* USER CODE BEGIN PFP */
/* USER CODE END PFP */
/* External functions --------------------------------------------------------*/
/* USER CODE BEGIN ExternalFunctions */
/* USER CODE END ExternalFunctions */
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
/**
* Initializes the Global MSP.
*/
void HAL_MspInit(void)
{
/* USER CODE BEGIN MspInit 0 */
/* USER CODE END MspInit 0 */
/* System interrupt init*/
/* USER CODE BEGIN MspInit 1 */
/* USER CODE END MspInit 1 */
}
/* USER CODE BEGIN 1 */
/**
* @brief ADC MSP initialization
* This function configures the hardware resources used in this example:
* - Enable clock of ADC peripheral
* - Configure the GPIO associated to the peripheral channels
* - Configure the DMA associated to the peripheral
* - Configure the NVIC associated to the peripheral interruptions
* @param hadc: ADC handle pointer
* @retval None
*/
void HAL_ADC_MspInit(ADC_HandleTypeDef *hadc)
{
GPIO_InitTypeDef GPIO_InitStruct;
static DMA_HandleTypeDef DmaHandle;
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* Enable clock of GPIO associated to the peripheral channels */
ADCx_CHANNELa_GPIO_CLK_ENABLE();
/* Enable clock of ADCx peripheral (core clock) */
ADCx_CLK_ENABLE();
/* Enable clock of ADCx peripheral (conversion clock) */
/* Note: Configuration necessary only when ADC clock source is set to */
/* asynchronous clock source: */
/* "AdcHandle.Init.ClockPrescaler = ADC_CLOCK_ASYNC_xxx" */
__HAL_RCC_ADC_CONFIG(RCC_ADCCLKSOURCE_SYSCLK);
/* Enable clock of DMA associated to the peripheral */
ADCx_DMA_CLK_ENABLE();
/*##-2- Configure peripheral GPIO ##########################################*/
/* Configure GPIO pin of the selected ADC channel */
GPIO_InitStruct.Pin = ADCx_CHANNELa_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(ADCx_CHANNELa_GPIO_PORT, &GPIO_InitStruct);
/*##-3- Configure the DMA ##################################################*/
/* Configure DMA parameters */
DmaHandle.Instance = ADCx_DMA;
DmaHandle.Init.Request = DMA_REQUEST_ADC1;
DmaHandle.Init.Direction = DMA_PERIPH_TO_MEMORY;
DmaHandle.Init.PeriphInc = DMA_PINC_DISABLE;
DmaHandle.Init.MemInc = DMA_MINC_ENABLE;
DmaHandle.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD; /* Transfer from ADC by half-word to match with ADC configuration: ADC resolution 10 or 12 bits */
DmaHandle.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD; /* Transfer to memory by half-word to match with buffer variable type: half-word */
DmaHandle.Init.Mode = DMA_CIRCULAR; /* DMA in circular mode to match with ADC configuration: DMA continuous requests */
DmaHandle.Init.Priority = DMA_PRIORITY_HIGH;
/* Deinitialize & Initialize the DMA for new transfer */
HAL_DMA_DeInit(&DmaHandle);
HAL_DMA_Init(&DmaHandle);
/* Associate the initialized DMA handle to the ADC handle */
__HAL_LINKDMA(hadc, DMA_Handle, DmaHandle);
/*##-4- Configure the NVIC #################################################*/
/* NVIC configuration for ADC interrupt */
/* Priority: high-priority */
HAL_NVIC_SetPriority(ADCx_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(ADCx_IRQn);
/* NVIC configuration for DMA interrupt (transfer completion or error) */
/* Priority: high-priority */
HAL_NVIC_SetPriority(ADCx_DMA_IRQn, 1, 0);
HAL_NVIC_EnableIRQ(ADCx_DMA_IRQn);
}
/**
* @brief ADC MSP de-initialization
* This function frees the hardware resources used in this example:
* - Disable clock of ADC peripheral
* - Revert GPIO associated to the peripheral channels to their default state
* - Revert DMA associated to the peripheral to its default state
* - Revert NVIC associated to the peripheral interruptions to its default state
* @param hadc: ADC handle pointer
* @retval None
*/
void HAL_ADC_MspDeInit(ADC_HandleTypeDef *hadc)
{
/*##-1- Reset peripherals ##################################################*/
ADCx_FORCE_RESET();
ADCx_RELEASE_RESET();
/*##-2- Disable peripherals and GPIO Clocks ################################*/
/* De-initialize GPIO pin of the selected ADC channel */
HAL_GPIO_DeInit(ADCx_CHANNELa_GPIO_PORT, ADCx_CHANNELa_PIN);
/*##-3- Disable the DMA ####################################################*/
/* De-Initialize the DMA associated to the peripheral */
if(hadc->DMA_Handle != NULL)
{
HAL_DMA_DeInit(hadc->DMA_Handle);
}
/*##-4- Disable the NVIC ###################################################*/
/* Disable the NVIC configuration for ADC interrupt */
HAL_NVIC_DisableIRQ(ADCx_IRQn);
/* Disable the NVIC configuration for DMA interrupt */
HAL_NVIC_DisableIRQ(ADCx_DMA_IRQn);
}
/* USER CODE END 1 */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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