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controlDevice.h#xff08;设备控制#xff09;smokeAlarm.c#xff08;烟雾报警器#xff09;buzzer.c#xff08;蜂鸣器#xff09;mainPro.c#xff08;主函数#xff09;运行结果
可燃气体传感器 MQ-2 和 蜂鸣器 代码段
…可燃气体传感器 MQ-2 和 蜂鸣器 代码段
controlDevice.h设备控制smokeAlarm.c烟雾报警器buzzer.c蜂鸣器mainPro.c主函数运行结果
可燃气体传感器 MQ-2 和 蜂鸣器 代码段
controlDevice.h设备类
#include wiringPi.h //wiringPi库
#include stdio.h
#include stdlib.hstruct Devices //设备类
{char deviceName[128]; //设备名int status; //状态int pinNum; //引脚号int (*Init)(int pinNum); //“初始化设备”函数指针int (*open)(int pinNum); //“打开设备”函数指针int (*close)(int pinNum); //“关闭设备”函数指针int (*readStatus)(int pinNum); //“读取设备状态”函数指针 为火灾报警器准备int (*changeStatus)(int status); //“改变设备状态”函数指针struct Devices *next;
};struct Devices* addBathroomLightToDeviceLink(struct Devices *phead); //“浴室灯”加入设备链表函数声明 2
struct Devices* addBedroomLightToDeviceLink(struct Devices *phead); //“卧室灯”加入设备链表函数声明 8
struct Devices* addRestaurantLightToDeviceLink(struct Devices *phead); //“餐厅灯”加入设备链表函数声明 13
struct Devices* addLivingroomLightToDeviceLink(struct Devices *phead); //“客厅灯”加入设备链表函数声明 16
struct Devices* addSmokeAlarmToDeviceLink(struct Devices *phead); //“烟雾报警器”加入设备链表函数声明 6
struct Devices* addBuzzerToDeviceLink(struct Devices *phead); //“蜂鸣器”加入设备链表函数声明 9smokeAlarm.c烟雾报警器
#include controlDevice.h //自定义设备类的文件int smokeAlarmInit(int pinNum) //C语言必须要传参JAVA不用可直接访问变量的值
{pinMode(pinNum,INPUT); //配置引脚为输入模式//digitalWrite(pinNum,HIGH); //引脚置高电平断开继电器
}int smokeAlarmReadStatus(int pinNum)
{return digitalRead(pinNum);
}int smokeAlarmStatus(int status)
{}struct Devices smokeAlarm { //定义烟雾报警器对象.deviceName smokeAlarm, //名字.pinNum 6, //香橙派 6号(wPi)引脚.Init smokeAlarmInit, //指定初始化函数.readStatus smokeAlarmReadStatus,.changeStatus smokeAlarmStatus
};struct Devices* addSmokeAlarmToDeviceLink(struct Devices *phead) //烟雾报警器对象加入设备链表函数
{if(phead NULL){return smokeAlarm;}else{smokeAlarm.next phead; //以前的头变成.nextphead smokeAlarm; //更新头return phead;}
}buzzer.c蜂鸣器
#include controlDevice.h //自定义设备类的文件int buzzerInit(int pinNum)
{pinMode(pinNum,OUTPUT); //配置引脚为输出模式digitalWrite(pinNum,HIGH); //引脚置高电平蜂鸣器关闭
}int buzzerOpen(int pinNum)
{digitalWrite(pinNum,LOW); //引脚置低电平蜂鸣器开启
}int buzzerClose(int pinNum)
{digitalWrite(pinNum,HIGH); //引脚置高电平蜂鸣器关闭
}struct Devices buzzer { //定义蜂鸣器对象.deviceName buzzer, //名字.pinNum 9, //香橙派 9号(wpi)引脚.Init buzzerInit, //指定初始化函数.open buzzerOpen, //指定“开启蜂鸣器”函数.close buzzerClose, //指定“关闭蜂鸣器”函数
};struct Devices* addBuzzerToDeviceLink(struct Devices *phead) //蜂鸣器对象加入设备链表函数
{if(phead NULL){return buzzer;}else{buzzer.next phead;phead buzzer;return phead;}
}mainPro.c主函数
#include stdio.h
#include string.h
#include errno.h
#include controlDevice.hstruct Devices* findDeviceByName(char *name, struct Devices *phead)
{struct Devices *tmp phead;if(phead NULL){return NULL;}else{while(tmp ! NULL){if(strcmp(tmp-deviceName,name)0){return tmp;}tmp tmp-next;}return NULL;}
}int main()
{char *smokeName smokeAlarm;char *buzzerName buzzer;struct Devices *tmp NULL;int smokeStatus; //存放“烟雾传感器”状态if (wiringPiSetup () -1) { fprintf (stdout, Unable to start wiringPi: %s\n, strerror (errno)) ; return 1 ; }struct Devices *pdeviceHead NULL; //定义初始链表头//pdeviceHead addBathroomLightToDeviceLink(pdeviceHead); //“浴室灯”加入设备链表//pdeviceHead addBedroomLightToDeviceLink(pdeviceHead);//pdeviceHead addRestaurantLightToDeviceLink(pdeviceHead);//pdeviceHead addLivingroomLightToDeviceLink(pdeviceHead);pdeviceHead addSmokeAlarmToDeviceLink(pdeviceHead);pdeviceHead addBuzzerToDeviceLink(pdeviceHead);while(1){tmp findDeviceByName(smokeName, pdeviceHead);if(tmp ! NULL){tmp-Init(tmp-pinNum);smokeStatus tmp-readStatus(tmp-pinNum);tmp findDeviceByName(buzzerName, pdeviceHead);if(tmp ! NULL){if( smokeStatus 0 ){tmp-Init(tmp-pinNum);tmp-open(tmp-pinNum);}else{tmp-Init(tmp-pinNum);tmp-close(tmp-pinNum);} }}}return 0;
}模块测试
