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 光敏传感器模块和LED接线

LED负极接B12,正极接VCC

光敏传感模块一DO端接B13,GND接GND，VCC接VCC,AO不接。

如图：

主程序代码：main.c

#include "stm32f10x.h"
#include "Delay.h"     //delay函数所在头文件
#include "LED.h"
#include "LightSensor.h"int main(void)
{	LED_Init();   //初始化LEDLED_OFF();		//默认LED灭LightSensor_Init(); 	//初始化光敏传感器while(1){if(get_LightSensorNum() == 1)   //黑暗时LED亮{LED_ON();}else{LED_OFF();}}
}

 LED.h和LED.c

LED.h

#ifndef __LED_H
#define __LED_Hvoid LED_Init(void);
void LED_ON(void);
void LED_OFF(void);#endif

LED.c

#include "stm32f10x.h"void LED_Init(void)
{RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);  //设置时钟GPIO_InitTypeDef GPIOInitStruct;GPIOInitStruct.GPIO_Mode = GPIO_Mode_Out_PP;    //推挽模式GPIOInitStruct.GPIO_Pin = GPIO_Pin_12;     //B12GPIOInitStruct.GPIO_Speed = GPIO_Speed_50MHz;GPIO_Init(GPIOB, &GPIOInitStruct);GPIO_SetBits(GPIOB, GPIO_Pin_12); // 不亮}void LED_ON(void)
{GPIO_ResetBits(GPIOB, GPIO_Pin_12); // 亮
}void LED_OFF(void)
{GPIO_SetBits(GPIOB, GPIO_Pin_12); // 不亮
}

LightSensor.h和LightSensorc

LightSensor.h

#ifndef __LIGHTSENSOR_H
#define __LIGHTSENSOR_Hvoid LightSensor_Init(void);
unsigned char get_LightSensorNum(void);#endif

LightSensor.c

#include "stm32f10x.h"
#include "Delay.h" //初始化LightSensor
void LightSensor_Init(void)
{RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);  //设置时钟GPIO_InitTypeDef GPIOInitStruct;GPIOInitStruct.GPIO_Mode = GPIO_Mode_IPU;    //上拉模式GPIOInitStruct.GPIO_Pin = GPIO_Pin_13;     //B13GPIOInitStruct.GPIO_Speed = GPIO_Speed_50MHz;GPIO_Init(GPIOB, &GPIOInitStruct);
}//获取传感器结果
uint8_t get_LightSensorNum(void)
{return GPIO_ReadInputDataBit(GPIOB, GPIO_Pin_13);
}

整体工程文件如下：