外观

引脚说明和原理

GND-GND

5V-5V

VRX-ADC1通道1

VRX-ADC1通道2

SW独立按键-单片机的输入检测

本质上这个遥感就是集成了一个按键和两个电位器，遥感转动改变电位器也会转动，电压输出的值也就不一样，通过检测数值可自定义的做出判断，剩下的就是自己玩了

遥感不动电压值（XCOM串口助手输出）

遥感转动电压值

为了ADC检测的实时性，检测采用ADC+DMA（连续方式）

adc.c（HAL库）

/* 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_SYNC_PCLK_DIV4;hadc1.Init.Resolution = ADC_RESOLUTION_12B;hadc1.Init.ScanConvMode = ENABLE;hadc1.Init.ContinuousConvMode = ENABLE;hadc1.Init.DiscontinuousConvMode = DISABLE;hadc1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;hadc1.Init.ExternalTrigConv = ADC_SOFTWARE_START;hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;hadc1.Init.NbrOfConversion = 2;hadc1.Init.DMAContinuousRequests = ENABLE;hadc1.Init.EOCSelection = ADC_EOC_SINGLE_CONV;if (HAL_ADC_Init(&hadc1) != HAL_OK){Error_Handler();}/** Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.*/sConfig.Channel = ADC_CHANNEL_0;sConfig.Rank = 1;sConfig.SamplingTime = ADC_SAMPLETIME_56CYCLES;if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK){Error_Handler();}/** Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.*/sConfig.Channel = ADC_CHANNEL_1;sConfig.Rank = 2;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};if(adcHandle->Instance==ADC1){/* USER CODE BEGIN ADC1_MspInit 0 *//* USER CODE END ADC1_MspInit 0 *//* ADC1 clock enable */__HAL_RCC_ADC1_CLK_ENABLE();__HAL_RCC_GPIOA_CLK_ENABLE();/**ADC1 GPIO ConfigurationPA0-WKUP     ------> ADC1_IN0PA1     ------> ADC1_IN1*/GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1;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 = DMA2_Stream4;hdma_adc1.Init.Channel = DMA_CHANNEL_0;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_VERY_HIGH;hdma_adc1.Init.FIFOMode = DMA_FIFOMODE_DISABLE;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_ADC1_CLK_DISABLE();/**ADC1 GPIO ConfigurationPA0-WKUP     ------> ADC1_IN0PA1     ------> ADC1_IN1*/HAL_GPIO_DeInit(GPIOA, GPIO_PIN_0|GPIO_PIN_1);/* 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 */

adc.h

/* USER CODE BEGIN Header */
/********************************************************************************* @file    adc.h* @brief   This file contains all the function prototypes for*          the adc.c file******************************************************************************* @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 */
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __ADC_H__
#define __ADC_H__#ifdef __cplusplus
extern "C" {
#endif/* Includes ------------------------------------------------------------------*/
#include "main.h"/* USER CODE BEGIN Includes *//* USER CODE END Includes */extern ADC_HandleTypeDef hadc1;/* USER CODE BEGIN Private defines *//* USER CODE END Private defines */void MX_ADC1_Init(void);/* USER CODE BEGIN Prototypes *//* USER CODE END Prototypes */#ifdef __cplusplus
}
#endif#endif /* __ADC_H__ */

main.c

/* USER CODE BEGIN Header */
/********************************************************************************* @file           : main.c* @brief          : Main program body******************************************************************************* @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 "main.h"
#include "adc.h"
#include "dma.h"
#include "usart.h"
#include "gpio.h"
#include "stdio.h"
#include "string.h"#define HUART1 1	// 串口1开关
#define HUART2 1	// 串口2开关
#define HUART3 1	// 串口3开关#define BUFF 512
static char HUART_BUFF[BUFF];#if HUART1
#define printf(FORMAT,...) \
{\memset(HUART_BUFF, 0, BUFF);\sprintf(HUART_BUFF,FORMAT,##__VA_ARGS__); \HAL_UART_Transmit(&huart1,(uint8_t *)HUART_BUFF,strlen(HUART_BUFF), 1);\
}
#else
#define printf(FORMAT,...)
#endif#if HUART2
#define printf2(FORMAT,...) \
{\memset(HUART_BUFF, 0, BUFF);\sprintf(HUART_BUFF,FORMAT,##__VA_ARGS__); \HAL_UART_Transmit(&huart2,(uint8_t *)HUART_BUFF,strlen(HUART_BUFF), 1);\
}
#else
#define printf2(FORMAT,...)
#endif#if HUART3
#define printf3(FORMAT,...) \
{\memset(HUART_BUFF, 0, BUFF);\sprintf(HUART_BUFF,FORMAT,##__VA_ARGS__); \HAL_UART_Transmit(&huart3,(uint8_t *)HUART_BUFF,strlen(HUART_BUFF), 1);\
}
#else
#define printf3(FORMAT,...)
#endif/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes *//* USER CODE END Includes *//* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD *//* USER CODE END PTD *//* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD *//* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM *//* USER CODE END PM *//* Private variables ---------------------------------------------------------*//* USER CODE BEGIN PV *//* USER CODE END PV *//* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP *//* USER CODE END PFP *//* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 *//* USER CODE END 0 *//*** @brief  The application entry point.* @retval int*/
uint16_t adcbuf[2]={0}; 	
int main(void)
{/* USER CODE BEGIN 1 *//* USER CODE END 1 *//* MCU Configuration--------------------------------------------------------*//* Reset of all peripherals, Initializes the Flash interface and the Systick. */HAL_Init();/* USER CODE BEGIN Init *//* USER CODE END Init *//* Configure the system clock */SystemClock_Config();/* USER CODE BEGIN SysInit *//* USER CODE END SysInit *//* Initialize all configured peripherals */MX_GPIO_Init();MX_DMA_Init();MX_ADC1_Init();MX_USART1_UART_Init();/* USER CODE BEGIN 2 */HAL_ADC_Start_DMA(&hadc1,(uint32_t*)adcbuf,2);/* USER CODE END 2 *//* Infinite loop *//* USER CODE BEGIN WHILE */while (1){/* USER CODE END WHILE */printf("ADC1 %d\r\n",adcbuf[0]);printf("ADC2 %d\r\n",adcbuf[1]);HAL_Delay(500);		/* USER CODE BEGIN 3 */}/* USER CODE END 3 */
}/*** @brief System Clock Configuration* @retval None*/
void SystemClock_Config(void)
{RCC_OscInitTypeDef RCC_OscInitStruct = {0};RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};/** Configure the main internal regulator output voltage*/__HAL_RCC_PWR_CLK_ENABLE();__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);/** Initializes the RCC Oscillators according to the specified parameters* in the RCC_OscInitTypeDef structure.*/RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;RCC_OscInitStruct.HSIState = RCC_HSI_ON;RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;RCC_OscInitStruct.PLL.PLLM = 8;RCC_OscInitStruct.PLL.PLLN = 100;RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;RCC_OscInitStruct.PLL.PLLQ = 4;if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK){Error_Handler();}/** Initializes the CPU, AHB and APB buses clocks*/RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_3) != HAL_OK){Error_Handler();}
}/* USER CODE BEGIN 4 *//* USER CODE END 4 *//*** @brief  This function is executed in case of error occurrence.* @retval None*/
void Error_Handler(void)
{/* USER CODE BEGIN Error_Handler_Debug *//* User can add his own implementation to report the HAL error return state */__disable_irq();while (1){}/* USER CODE END Error_Handler_Debug */
}#ifdef  USE_FULL_ASSERT
/*** @brief  Reports the name of the source file and the source line number*         where the assert_param error has occurred.* @param  file: pointer to the source file name* @param  line: assert_param error line source number* @retval None*/
void assert_failed(uint8_t *file, uint32_t line)
{/* USER CODE BEGIN 6 *//* User can add his own implementation to report the file name and line number,ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) *//* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */

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