138 lines
3.8 KiB
C
138 lines
3.8 KiB
C
/**
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******************************************************************************
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* File Name : ADC.c
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* Description : 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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* <h2><center>© Copyright (c) 2020 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under Ultimate Liberty license
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* SLA0044, the "License"; You may not use this file except in compliance with
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* the License. You may obtain a copy of the License at:
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* www.st.com/SLA0044
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*
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******************************************************************************
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*/
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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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/* ADC init function */
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void MX_ADC_Init(void)
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{
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ADC_ChannelConfTypeDef sConfig = {0};
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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_ASYNC_DIV1;
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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 = DISABLE;
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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_0;
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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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/** 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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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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/** Configure for the selected ADC regular channel to be converted.
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*/
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sConfig.Channel = ADC_CHANNEL_2;
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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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}
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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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PA0 ------> ADC_IN0
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PA1 ------> ADC_IN1
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PA2 ------> ADC_IN2
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*/
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GPIO_InitStruct.Pin = LDR1_Pin|LDR2_Pin|LDR3_Pin;
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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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/* 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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PA0 ------> ADC_IN0
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PA1 ------> ADC_IN1
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PA2 ------> ADC_IN2
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*/
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HAL_GPIO_DeInit(GPIOA, LDR1_Pin|LDR2_Pin|LDR3_Pin);
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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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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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