151 lines
4.0 KiB
C
151 lines
4.0 KiB
C
/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file adc.c
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* @brief This file provides code for the configuration
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* of the ADC instances.
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2023 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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/* Includes ------------------------------------------------------------------*/
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#include "adc.h"
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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ADC_HandleTypeDef hadc;
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DMA_HandleTypeDef hdma_adc;
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/* ADC init function */
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void MX_ADC_Init(void)
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{
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/* USER CODE BEGIN ADC_Init 0 */
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/* USER CODE END ADC_Init 0 */
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ADC_ChannelConfTypeDef sConfig = {0};
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/* USER CODE BEGIN ADC_Init 1 */
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/* USER CODE END ADC_Init 1 */
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/** Configure the global features of the ADC (Clock, Resolution, Data Alignment and number of conversion)
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*/
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hadc.Instance = ADC1;
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hadc.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV4;
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hadc.Init.Resolution = ADC_RESOLUTION_12B;
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hadc.Init.DataAlign = ADC_DATAALIGN_RIGHT;
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hadc.Init.ScanConvMode = ADC_SCAN_DIRECTION_FORWARD;
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hadc.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
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hadc.Init.LowPowerAutoWait = DISABLE;
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hadc.Init.LowPowerAutoPowerOff = DISABLE;
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hadc.Init.ContinuousConvMode = ENABLE;
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hadc.Init.DiscontinuousConvMode = DISABLE;
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hadc.Init.ExternalTrigConv = ADC_SOFTWARE_START;
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hadc.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
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hadc.Init.DMAContinuousRequests = DISABLE;
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hadc.Init.Overrun = ADC_OVR_DATA_PRESERVED;
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if (HAL_ADC_Init(&hadc) != HAL_OK)
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{
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Error_Handler();
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}
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/** Configure for the selected ADC regular channel to be converted.
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*/
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sConfig.Channel = ADC_CHANNEL_1;
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sConfig.Rank = ADC_RANK_CHANNEL_NUMBER;
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sConfig.SamplingTime = ADC_SAMPLETIME_239CYCLES_5;
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if (HAL_ADC_ConfigChannel(&hadc, &sConfig) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN ADC_Init 2 */
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/* USER CODE END ADC_Init 2 */
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}
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void HAL_ADC_MspInit(ADC_HandleTypeDef* adcHandle)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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if(adcHandle->Instance==ADC1)
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{
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/* USER CODE BEGIN ADC1_MspInit 0 */
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/* USER CODE END ADC1_MspInit 0 */
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/* ADC1 clock enable */
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__HAL_RCC_ADC1_CLK_ENABLE();
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__HAL_RCC_GPIOA_CLK_ENABLE();
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/**ADC GPIO Configuration
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PA1 ------> ADC_IN1
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_1;
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GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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/* ADC1 DMA Init */
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/* ADC Init */
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hdma_adc.Instance = DMA1_Channel1;
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hdma_adc.Init.Direction = DMA_PERIPH_TO_MEMORY;
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hdma_adc.Init.PeriphInc = DMA_PINC_DISABLE;
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hdma_adc.Init.MemInc = DMA_MINC_ENABLE;
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hdma_adc.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD;
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hdma_adc.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD;
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hdma_adc.Init.Mode = DMA_CIRCULAR;
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hdma_adc.Init.Priority = DMA_PRIORITY_LOW;
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if (HAL_DMA_Init(&hdma_adc) != HAL_OK)
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{
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Error_Handler();
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}
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__HAL_LINKDMA(adcHandle,DMA_Handle,hdma_adc);
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/* USER CODE BEGIN ADC1_MspInit 1 */
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/* USER CODE END ADC1_MspInit 1 */
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}
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}
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void HAL_ADC_MspDeInit(ADC_HandleTypeDef* adcHandle)
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{
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if(adcHandle->Instance==ADC1)
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{
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/* USER CODE BEGIN ADC1_MspDeInit 0 */
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/* USER CODE END ADC1_MspDeInit 0 */
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/* Peripheral clock disable */
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__HAL_RCC_ADC1_CLK_DISABLE();
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/**ADC GPIO Configuration
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PA1 ------> ADC_IN1
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*/
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HAL_GPIO_DeInit(GPIOA, GPIO_PIN_1);
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/* ADC1 DMA DeInit */
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HAL_DMA_DeInit(adcHandle->DMA_Handle);
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/* USER CODE BEGIN ADC1_MspDeInit 1 */
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/* USER CODE END ADC1_MspDeInit 1 */
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}
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}
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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