start penna zip

Exp01/Core/Src/adc.c

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+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file    adc.c
+  * @brief   This file provides code for the configuration
+  *          of the ADC instances.
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2025 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 hadc3;
+DMA_HandleTypeDef hdma_adc3;
+
+/* ADC3 init function */
+void MX_ADC3_Init(void)
+{
+
+  /* USER CODE BEGIN ADC3_Init 0 */
+
+  /* USER CODE END ADC3_Init 0 */
+
+  ADC_ChannelConfTypeDef sConfig = {0};
+
+  /* USER CODE BEGIN ADC3_Init 1 */
+
+  /* USER CODE END ADC3_Init 1 */
+
+  /** Common config
+  */
+  hadc3.Instance = ADC3;
+  hadc3.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV2;
+  hadc3.Init.Resolution = ADC_RESOLUTION_16B;
+  hadc3.Init.ScanConvMode = ADC_SCAN_DISABLE;
+  hadc3.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
+  hadc3.Init.LowPowerAutoWait = DISABLE;
+  hadc3.Init.ContinuousConvMode = DISABLE;
+  hadc3.Init.NbrOfConversion = 1;
+  hadc3.Init.DiscontinuousConvMode = DISABLE;
+  hadc3.Init.ExternalTrigConv = ADC_EXTERNALTRIG_T6_TRGO;
+  hadc3.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_RISING;
+  hadc3.Init.ConversionDataManagement = ADC_CONVERSIONDATA_DR;
+  hadc3.Init.Overrun = ADC_OVR_DATA_PRESERVED;
+  hadc3.Init.LeftBitShift = ADC_LEFTBITSHIFT_NONE;
+  hadc3.Init.OversamplingMode = DISABLE;
+  hadc3.Init.Oversampling.Ratio = 1;
+  if (HAL_ADC_Init(&hadc3) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+  /** Configure Regular Channel
+  */
+  sConfig.Channel = ADC_CHANNEL_1;
+  sConfig.Rank = ADC_REGULAR_RANK_1;
+  sConfig.SamplingTime = ADC_SAMPLETIME_1CYCLE_5;
+  sConfig.SingleDiff = ADC_SINGLE_ENDED;
+  sConfig.OffsetNumber = ADC_OFFSET_NONE;
+  sConfig.Offset = 0;
+  sConfig.OffsetSignedSaturation = DISABLE;
+  if (HAL_ADC_ConfigChannel(&hadc3, &sConfig) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  /* USER CODE BEGIN ADC3_Init 2 */
+
+  /* USER CODE END ADC3_Init 2 */
+
+}
+
+void HAL_ADC_MspInit(ADC_HandleTypeDef* adcHandle)
+{
+
+  if(adcHandle->Instance==ADC3)
+  {
+  /* USER CODE BEGIN ADC3_MspInit 0 */
+
+  /* USER CODE END ADC3_MspInit 0 */
+    /* ADC3 clock enable */
+    __HAL_RCC_ADC3_CLK_ENABLE();
+
+    __HAL_RCC_GPIOC_CLK_ENABLE();
+    /**ADC3 GPIO Configuration
+    PC3_C     ------> ADC3_INP1
+    */
+    HAL_SYSCFG_AnalogSwitchConfig(SYSCFG_SWITCH_PC3, SYSCFG_SWITCH_PC3_OPEN);
+
+    /* ADC3 DMA Init */
+    /* ADC3 Init */
+    hdma_adc3.Instance = DMA2_Stream0;
+    hdma_adc3.Init.Request = DMA_REQUEST_ADC3;
+    hdma_adc3.Init.Direction = DMA_PERIPH_TO_MEMORY;
+    hdma_adc3.Init.PeriphInc = DMA_PINC_DISABLE;
+    hdma_adc3.Init.MemInc = DMA_MINC_ENABLE;
+    hdma_adc3.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD;
+    hdma_adc3.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD;
+    hdma_adc3.Init.Mode = DMA_CIRCULAR;
+    hdma_adc3.Init.Priority = DMA_PRIORITY_MEDIUM;
+    hdma_adc3.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
+    if (HAL_DMA_Init(&hdma_adc3) != HAL_OK)
+    {
+      Error_Handler();
+    }
+
+    __HAL_LINKDMA(adcHandle,DMA_Handle,hdma_adc3);
+
+    /* ADC3 interrupt Init */
+    HAL_NVIC_SetPriority(ADC3_IRQn, 0, 0);
+    HAL_NVIC_EnableIRQ(ADC3_IRQn);
+  /* USER CODE BEGIN ADC3_MspInit 1 */
+
+  /* USER CODE END ADC3_MspInit 1 */
+  }
+}
+
+void HAL_ADC_MspDeInit(ADC_HandleTypeDef* adcHandle)
+{
+
+  if(adcHandle->Instance==ADC3)
+  {
+  /* USER CODE BEGIN ADC3_MspDeInit 0 */
+
+  /* USER CODE END ADC3_MspDeInit 0 */
+    /* Peripheral clock disable */
+    __HAL_RCC_ADC3_CLK_DISABLE();
+
+    /* ADC3 DMA DeInit */
+    HAL_DMA_DeInit(adcHandle->DMA_Handle);
+
+    /* ADC3 interrupt Deinit */
+    HAL_NVIC_DisableIRQ(ADC3_IRQn);
+  /* USER CODE BEGIN ADC3_MspDeInit 1 */
+
+  /* USER CODE END ADC3_MspDeInit 1 */
+  }
+}
+
+/* USER CODE BEGIN 1 */
+
+/* USER CODE END 1 */