/* USER CODE BEGIN Header */ /** ****************************************************************************** * @file adc.c * @brief This file provides code for the configuration * of the ADC instances. ****************************************************************************** * @attention * * Copyright (c) 2024 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 */ /* ADC1 init function */ void MX_ADC1_Init(void) { /* USER CODE BEGIN ADC1_Init 0 */ /* USER CODE END ADC1_Init 0 */ LL_ADC_InitTypeDef ADC_InitStruct = {0}; LL_ADC_REG_InitTypeDef ADC_REG_InitStruct = {0}; LL_ADC_CommonInitTypeDef ADC_CommonInitStruct = {0}; /* Peripheral clock enable */ LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_ADC1); /* ADC1 DMA Init */ /* ADC1 Init */ LL_DMA_SetChannelSelection(DMA2, LL_DMA_STREAM_0, LL_DMA_CHANNEL_0); LL_DMA_SetDataTransferDirection(DMA2, LL_DMA_STREAM_0, LL_DMA_DIRECTION_PERIPH_TO_MEMORY); LL_DMA_SetStreamPriorityLevel(DMA2, LL_DMA_STREAM_0, LL_DMA_PRIORITY_LOW); LL_DMA_SetMode(DMA2, LL_DMA_STREAM_0, LL_DMA_MODE_CIRCULAR); LL_DMA_SetPeriphIncMode(DMA2, LL_DMA_STREAM_0, LL_DMA_PERIPH_NOINCREMENT); LL_DMA_SetMemoryIncMode(DMA2, LL_DMA_STREAM_0, LL_DMA_MEMORY_INCREMENT); LL_DMA_SetPeriphSize(DMA2, LL_DMA_STREAM_0, LL_DMA_PDATAALIGN_HALFWORD); LL_DMA_SetMemorySize(DMA2, LL_DMA_STREAM_0, LL_DMA_MDATAALIGN_HALFWORD); LL_DMA_DisableFifoMode(DMA2, LL_DMA_STREAM_0); /* ADC1 interrupt Init */ NVIC_SetPriority(ADC_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0)); NVIC_EnableIRQ(ADC_IRQn); /* USER CODE BEGIN ADC1_Init 1 */ /* USER CODE END ADC1_Init 1 */ /** Common config */ ADC_InitStruct.Resolution = LL_ADC_RESOLUTION_12B; ADC_InitStruct.DataAlignment = LL_ADC_DATA_ALIGN_RIGHT; ADC_InitStruct.SequencersScanMode = LL_ADC_SEQ_SCAN_ENABLE; LL_ADC_Init(ADC1, &ADC_InitStruct); ADC_REG_InitStruct.TriggerSource = LL_ADC_REG_TRIG_SOFTWARE; ADC_REG_InitStruct.SequencerLength = LL_ADC_REG_SEQ_SCAN_ENABLE_2RANKS; ADC_REG_InitStruct.SequencerDiscont = LL_ADC_REG_SEQ_DISCONT_DISABLE; ADC_REG_InitStruct.ContinuousMode = LL_ADC_REG_CONV_CONTINUOUS; ADC_REG_InitStruct.DMATransfer = LL_ADC_REG_DMA_TRANSFER_UNLIMITED; LL_ADC_REG_Init(ADC1, &ADC_REG_InitStruct); LL_ADC_REG_SetFlagEndOfConversion(ADC1, LL_ADC_REG_FLAG_EOC_SEQUENCE_CONV); ADC_CommonInitStruct.CommonClock = LL_ADC_CLOCK_SYNC_PCLK_DIV4; ADC_CommonInitStruct.Multimode = LL_ADC_MULTI_INDEPENDENT; LL_ADC_CommonInit(__LL_ADC_COMMON_INSTANCE(ADC1), &ADC_CommonInitStruct); /** Configure Regular Channel */ LL_ADC_REG_SetSequencerRanks(ADC1, LL_ADC_REG_RANK_1, LL_ADC_CHANNEL_TEMPSENSOR); LL_ADC_SetChannelSamplingTime(ADC1, LL_ADC_CHANNEL_TEMPSENSOR, LL_ADC_SAMPLINGTIME_28CYCLES); LL_ADC_SetCommonPathInternalCh(__LL_ADC_COMMON_INSTANCE(ADC1), LL_ADC_PATH_INTERNAL_TEMPSENSOR); /** Configure Regular Channel */ LL_ADC_REG_SetSequencerRanks(ADC1, LL_ADC_REG_RANK_2, LL_ADC_CHANNEL_VREFINT); LL_ADC_SetChannelSamplingTime(ADC1, LL_ADC_CHANNEL_VREFINT, LL_ADC_SAMPLINGTIME_28CYCLES); LL_ADC_SetCommonPathInternalCh(__LL_ADC_COMMON_INSTANCE(ADC1), LL_ADC_PATH_INTERNAL_VREFINT); /* USER CODE BEGIN ADC1_Init 2 */ /* USER CODE END ADC1_Init 2 */ } /* USER CODE BEGIN 1 */ /* USER CODE END 1 */