/* USER CODE BEGIN Header */ /** ****************************************************************************** * @file adc.c * @brief This file provides code for the configuration * of the ADC instances. ****************************************************************************** * @attention * * Copyright (c) 2026 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 */ #include "tim.h" uint16_t adcBuf[ADC_CH]; float adcValue[ADC_CH]; _adcData adcData; /* USER CODE END 0 */ ADC_HandleTypeDef hadc1; DMA_NodeTypeDef Node_GPDMA1_Channel0; DMA_QListTypeDef List_GPDMA1_Channel0; DMA_HandleTypeDef handle_GPDMA1_Channel0; /* 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 */ /** Common config */ hadc1.Instance = ADC1; hadc1.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV4; hadc1.Init.Resolution = ADC_RESOLUTION_12B; hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT; hadc1.Init.ScanConvMode = ADC_SCAN_ENABLE; hadc1.Init.EOCSelection = ADC_EOC_SEQ_CONV; hadc1.Init.LowPowerAutoWait = ENABLE; hadc1.Init.ContinuousConvMode = DISABLE; hadc1.Init.NbrOfConversion = 5; hadc1.Init.DiscontinuousConvMode = DISABLE; hadc1.Init.ExternalTrigConv = ADC_EXTERNALTRIG_T4_CC4; hadc1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_RISING; hadc1.Init.DMAContinuousRequests = ENABLE; hadc1.Init.SamplingMode = ADC_SAMPLING_MODE_NORMAL; hadc1.Init.Overrun = ADC_OVR_DATA_OVERWRITTEN; hadc1.Init.OversamplingMode = DISABLE; if (HAL_ADC_Init(&hadc1) != HAL_OK) { Error_Handler(); } /** Configure Regular Channel */ sConfig.Channel = ADC_CHANNEL_3; sConfig.Rank = ADC_REGULAR_RANK_1; sConfig.SamplingTime = ADC_SAMPLETIME_640CYCLES_5; sConfig.SingleDiff = ADC_SINGLE_ENDED; sConfig.OffsetNumber = ADC_OFFSET_NONE; sConfig.Offset = 0; if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK) { Error_Handler(); } /** Configure Regular Channel */ sConfig.Channel = ADC_CHANNEL_7; sConfig.Rank = ADC_REGULAR_RANK_2; if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK) { Error_Handler(); } /** Configure Regular Channel */ sConfig.Channel = ADC_CHANNEL_18; sConfig.Rank = ADC_REGULAR_RANK_3; if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK) { Error_Handler(); } /** Configure Regular Channel */ sConfig.Channel = ADC_CHANNEL_19; sConfig.Rank = ADC_REGULAR_RANK_4; if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK) { Error_Handler(); } /** Configure Regular Channel */ sConfig.Channel = ADC_CHANNEL_VREFINT; sConfig.Rank = ADC_REGULAR_RANK_5; 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}; DMA_NodeConfTypeDef NodeConfig= {0}; RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0}; if(adcHandle->Instance==ADC1) { /* USER CODE BEGIN ADC1_MspInit 0 */ /* USER CODE END ADC1_MspInit 0 */ /** Initializes the peripherals clock */ PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_ADCDAC; PeriphClkInitStruct.AdcDacClockSelection = RCC_ADCDACCLKSOURCE_HCLK; if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK) { Error_Handler(); } /* ADC1 clock enable */ __HAL_RCC_ADC_CLK_ENABLE(); __HAL_RCC_GPIOA_CLK_ENABLE(); /**ADC1 GPIO Configuration PA4 ------> ADC1_INP18 PA5 ------> ADC1_INP19 PA6 ------> ADC1_INP3 PA7 ------> ADC1_INP7 */ GPIO_InitStruct.Pin = GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7; GPIO_InitStruct.Mode = GPIO_MODE_ANALOG; GPIO_InitStruct.Pull = GPIO_NOPULL; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); /* ADC1 DMA Init */ /* GPDMA1_REQUEST_ADC1 Init */ NodeConfig.NodeType = DMA_GPDMA_LINEAR_NODE; NodeConfig.Init.Request = GPDMA1_REQUEST_ADC1; NodeConfig.Init.BlkHWRequest = DMA_BREQ_SINGLE_BURST; NodeConfig.Init.Direction = DMA_PERIPH_TO_MEMORY; NodeConfig.Init.SrcInc = DMA_SINC_FIXED; NodeConfig.Init.DestInc = DMA_DINC_INCREMENTED; NodeConfig.Init.SrcDataWidth = DMA_SRC_DATAWIDTH_HALFWORD; NodeConfig.Init.DestDataWidth = DMA_DEST_DATAWIDTH_HALFWORD; NodeConfig.Init.SrcBurstLength = 1; NodeConfig.Init.DestBurstLength = 1; NodeConfig.Init.TransferAllocatedPort = DMA_SRC_ALLOCATED_PORT0|DMA_DEST_ALLOCATED_PORT0; NodeConfig.Init.TransferEventMode = DMA_TCEM_BLOCK_TRANSFER; NodeConfig.Init.Mode = DMA_NORMAL; NodeConfig.TriggerConfig.TriggerPolarity = DMA_TRIG_POLARITY_MASKED; NodeConfig.DataHandlingConfig.DataExchange = DMA_EXCHANGE_NONE; NodeConfig.DataHandlingConfig.DataAlignment = DMA_DATA_RIGHTALIGN_ZEROPADDED; if (HAL_DMAEx_List_BuildNode(&NodeConfig, &Node_GPDMA1_Channel0) != HAL_OK) { Error_Handler(); } if (HAL_DMAEx_List_InsertNode(&List_GPDMA1_Channel0, NULL, &Node_GPDMA1_Channel0) != HAL_OK) { Error_Handler(); } if (HAL_DMAEx_List_SetCircularMode(&List_GPDMA1_Channel0) != HAL_OK) { Error_Handler(); } handle_GPDMA1_Channel0.Instance = GPDMA1_Channel0; handle_GPDMA1_Channel0.InitLinkedList.Priority = DMA_LOW_PRIORITY_HIGH_WEIGHT; handle_GPDMA1_Channel0.InitLinkedList.LinkStepMode = DMA_LSM_FULL_EXECUTION; handle_GPDMA1_Channel0.InitLinkedList.LinkAllocatedPort = DMA_LINK_ALLOCATED_PORT0; handle_GPDMA1_Channel0.InitLinkedList.TransferEventMode = DMA_TCEM_BLOCK_TRANSFER; handle_GPDMA1_Channel0.InitLinkedList.LinkedListMode = DMA_LINKEDLIST_CIRCULAR; if (HAL_DMAEx_List_Init(&handle_GPDMA1_Channel0) != HAL_OK) { Error_Handler(); } if (HAL_DMAEx_List_LinkQ(&handle_GPDMA1_Channel0, &List_GPDMA1_Channel0) != HAL_OK) { Error_Handler(); } __HAL_LINKDMA(adcHandle, DMA_Handle, handle_GPDMA1_Channel0); if (HAL_DMA_ConfigChannelAttributes(&handle_GPDMA1_Channel0, DMA_CHANNEL_NPRIV) != HAL_OK) { Error_Handler(); } /* ADC1 interrupt Init */ HAL_NVIC_SetPriority(ADC1_IRQn, 0, 0); HAL_NVIC_EnableIRQ(ADC1_IRQn); /* 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 PA4 ------> ADC1_INP18 PA5 ------> ADC1_INP19 PA6 ------> ADC1_INP3 PA7 ------> ADC1_INP7 */ HAL_GPIO_DeInit(GPIOA, GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7); /* ADC1 DMA DeInit */ HAL_DMA_DeInit(adcHandle->DMA_Handle); /* ADC1 interrupt Deinit */ HAL_NVIC_DisableIRQ(ADC1_IRQn); /* USER CODE BEGIN ADC1_MspDeInit 1 */ /* USER CODE END ADC1_MspDeInit 1 */ } } /* USER CODE BEGIN 1 */ void HAL_ADC_ErrorCallback(ADC_HandleTypeDef *hadc) { if(hadc == &hadc1) { HAL_ADC_Stop_DMA(hadc); HAL_ADC_Start_DMA( hadc, ( uint32_t * )adcBuf, ADC_CH ); } } void HAL_ADC_ConvCpltCallback(ADC_HandleTypeDef* hadc) { if (hadc->Instance == ADC1) { for(uint8_t i =0;i<5;i++) { adcValue[i] = 3.3f * adcBuf[i] /4095; } float CurrentSensor1 = adcValue[2]/6800 * (6800 + 4020); float CurrentSensor2 = adcValue[0]/6800 * (6800 + 4020); float TempSensor = adcValue[1]; adcData.BatVol = adcValue[3]/10000 * 310000; adcData.Temp = (TempSensor - 0.5f)* 100; adcData.Spray1_I = (CurrentSensor1 - 0.5f )*5; adcData.Spray2_I = (CurrentSensor2 - 0.5f )*5; } } void MY_ADC_INIT(void) { //adc校准之后数据才比较正常 HAL_ADCEx_Calibration_Start(&hadc1,ADC_SINGLE_ENDED); HAL_ADC_Start_DMA( &hadc1, ( uint32_t * )adcBuf, ADC_CH ); HAL_TIM_PWM_Start( &htim4, TIM_CHANNEL_4 ); } /* USER CODE END 1 */