init

Core/Src/adc.c

@@ -0,0 +1,167 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file    adc.c
+  * @brief   This file provides code for the configuration
+  *          of the ADC instances.
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2023 STMicroelectronics.
+  * All rights reserved.
+  *
+  * This software is licensed under terms that can be found in the LICENSE file
+  * in the root directory of this software component.
+  * If no LICENSE file comes with this software, it is provided AS-IS.
+  *
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+/* Includes ------------------------------------------------------------------*/
+#include "adc.h"
+
+/* USER CODE BEGIN 0 */
+
+/* USER CODE END 0 */
+
+ADC_HandleTypeDef hadc1;
+DMA_HandleTypeDef hdma_adc1;
+
+/* ADC1 init function */
+void MX_ADC1_Init(void)
+{
+
+  /* USER CODE BEGIN ADC1_Init 0 */
+
+  /* USER CODE END ADC1_Init 0 */
+
+  ADC_ChannelConfTypeDef sConfig = {0};
+
+  /* USER CODE BEGIN ADC1_Init 1 */
+
+  /* USER CODE END ADC1_Init 1 */
+
+  /** Configure the global features of the ADC (Clock, Resolution, Data Alignment and number of conversion)
+  */
+  hadc1.Instance = ADC1;
+  hadc1.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV1;
+  hadc1.Init.Resolution = ADC_RESOLUTION_12B;
+  hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;
+  hadc1.Init.ScanConvMode = ADC_SCAN_DISABLE;
+  hadc1.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
+  hadc1.Init.LowPowerAutoWait = DISABLE;
+  hadc1.Init.LowPowerAutoPowerOff = DISABLE;
+  hadc1.Init.ContinuousConvMode = DISABLE;
+  hadc1.Init.NbrOfConversion = 1;
+  hadc1.Init.DiscontinuousConvMode = DISABLE;
+  hadc1.Init.ExternalTrigConv = ADC_EXTERNALTRIG_T15_TRGO;
+  hadc1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_RISING;
+  hadc1.Init.DMAContinuousRequests = ENABLE;
+  hadc1.Init.Overrun = ADC_OVR_DATA_PRESERVED;
+  hadc1.Init.SamplingTimeCommon1 = ADC_SAMPLETIME_1CYCLE_5;
+  hadc1.Init.SamplingTimeCommon2 = ADC_SAMPLETIME_19CYCLES_5;
+  hadc1.Init.OversamplingMode = DISABLE;
+  hadc1.Init.TriggerFrequencyMode = ADC_TRIGGER_FREQ_HIGH;
+  if (HAL_ADC_Init(&hadc1) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+  /** Configure Regular Channel
+  */
+  sConfig.Channel = ADC_CHANNEL_0;
+  sConfig.Rank = ADC_REGULAR_RANK_1;
+  sConfig.SamplingTime = ADC_SAMPLINGTIME_COMMON_1;
+  if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  /* USER CODE BEGIN ADC1_Init 2 */
+
+  /* USER CODE END ADC1_Init 2 */
+
+}
+
+void HAL_ADC_MspInit(ADC_HandleTypeDef* adcHandle)
+{
+
+  GPIO_InitTypeDef GPIO_InitStruct = {0};
+  RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
+  if(adcHandle->Instance==ADC1)
+  {
+  /* USER CODE BEGIN ADC1_MspInit 0 */
+
+  /* USER CODE END ADC1_MspInit 0 */
+
+  /** Initializes the peripherals clocks
+  */
+    PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADC;
+    PeriphClkInit.AdcClockSelection = RCC_ADCCLKSOURCE_SYSCLK;
+    if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
+    {
+      Error_Handler();
+    }
+
+    /* ADC1 clock enable */
+    __HAL_RCC_ADC_CLK_ENABLE();
+
+    __HAL_RCC_GPIOA_CLK_ENABLE();
+    /**ADC1 GPIO Configuration
+    PA0     ------> ADC1_IN0
+    */
+    GPIO_InitStruct.Pin = GPIO_PIN_0;
+    GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+
+    /* ADC1 DMA Init */
+    /* ADC1 Init */
+    hdma_adc1.Instance = DMA1_Channel1;
+    hdma_adc1.Init.Request = DMA_REQUEST_ADC1;
+    hdma_adc1.Init.Direction = DMA_PERIPH_TO_MEMORY;
+    hdma_adc1.Init.PeriphInc = DMA_PINC_DISABLE;
+    hdma_adc1.Init.MemInc = DMA_MINC_ENABLE;
+    hdma_adc1.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD;
+    hdma_adc1.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD;
+    hdma_adc1.Init.Mode = DMA_CIRCULAR;
+    hdma_adc1.Init.Priority = DMA_PRIORITY_LOW;
+    if (HAL_DMA_Init(&hdma_adc1) != HAL_OK)
+    {
+      Error_Handler();
+    }
+
+    __HAL_LINKDMA(adcHandle,DMA_Handle,hdma_adc1);
+
+  /* USER CODE BEGIN ADC1_MspInit 1 */
+
+  /* USER CODE END ADC1_MspInit 1 */
+  }
+}
+
+void HAL_ADC_MspDeInit(ADC_HandleTypeDef* adcHandle)
+{
+
+  if(adcHandle->Instance==ADC1)
+  {
+  /* USER CODE BEGIN ADC1_MspDeInit 0 */
+
+  /* USER CODE END ADC1_MspDeInit 0 */
+    /* Peripheral clock disable */
+    __HAL_RCC_ADC_CLK_DISABLE();
+
+    /**ADC1 GPIO Configuration
+    PA0     ------> ADC1_IN0
+    */
+    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_0);
+
+    /* ADC1 DMA DeInit */
+    HAL_DMA_DeInit(adcHandle->DMA_Handle);
+  /* USER CODE BEGIN ADC1_MspDeInit 1 */
+
+  /* USER CODE END ADC1_MspDeInit 1 */
+  }
+}
+
+/* USER CODE BEGIN 1 */
+
+/* USER CODE END 1 */