/* 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 */ /* 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}; LL_GPIO_InitTypeDef GPIO_InitStruct = {0}; /* Peripheral clock enable */ LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_ADC12); LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOC); /**ADC1 GPIO Configuration PC2 ------> ADC1_IN8 PC3 ------> ADC1_IN9 */ GPIO_InitStruct.Pin = ADC_JACK1_Pin|ADC_JACK2_Pin; GPIO_InitStruct.Mode = LL_GPIO_MODE_ANALOG; GPIO_InitStruct.Pull = LL_GPIO_PULL_NO; LL_GPIO_Init(GPIOC, &GPIO_InitStruct); /* 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.LowPowerMode = LL_ADC_LP_MODE_NONE; LL_ADC_Init(ADC1, &ADC_InitStruct); ADC_REG_InitStruct.TriggerSource = LL_ADC_REG_TRIG_SOFTWARE; ADC_REG_InitStruct.SequencerLength = LL_ADC_REG_SEQ_SCAN_DISABLE; ADC_REG_InitStruct.SequencerDiscont = LL_ADC_REG_SEQ_DISCONT_DISABLE; ADC_REG_InitStruct.ContinuousMode = LL_ADC_REG_CONV_SINGLE; ADC_REG_InitStruct.DMATransfer = LL_ADC_REG_DMA_TRANSFER_LIMITED; ADC_REG_InitStruct.Overrun = LL_ADC_REG_OVR_DATA_OVERWRITTEN; LL_ADC_REG_Init(ADC1, &ADC_REG_InitStruct); ADC_CommonInitStruct.CommonClock = LL_ADC_CLOCK_ASYNC_DIV1; ADC_CommonInitStruct.Multimode = LL_ADC_MULTI_INDEPENDENT; LL_ADC_CommonInit(__LL_ADC_COMMON_INSTANCE(ADC1), &ADC_CommonInitStruct); /* Enable ADC internal voltage regulator */ LL_ADC_EnableInternalRegulator(ADC1); /* Delay for ADC internal voltage regulator stabilization. */ /* Compute number of CPU cycles to wait for, from delay in us. */ /* Note: Variable divided by 2 to compensate partially */ /* CPU processing cycles (depends on compilation optimization). */ /* Note: If system core clock frequency is below 200kHz, wait time */ /* is only a few CPU processing cycles. */ uint32_t wait_loop_index; wait_loop_index = ((LL_ADC_DELAY_INTERNAL_REGUL_STAB_US * (SystemCoreClock / (100000 * 2))) / 10); while(wait_loop_index != 0) { wait_loop_index--; } /** Configure Regular Channel */ LL_ADC_REG_SetSequencerRanks(ADC1, LL_ADC_REG_RANK_1, LL_ADC_CHANNEL_8); LL_ADC_SetChannelSamplingTime(ADC1, LL_ADC_CHANNEL_8, LL_ADC_SAMPLINGTIME_1CYCLE_5); LL_ADC_SetChannelSingleDiff(ADC1, LL_ADC_CHANNEL_8, LL_ADC_SINGLE_ENDED); /* USER CODE BEGIN ADC1_Init 2 */ /* USER CODE END ADC1_Init 2 */ } /* USER CODE BEGIN 1 */ /* USER CODE END 1 */