智能家居实战-------树莓派之继电器控制火灾报警器_基于树莓派的火灾自动报警系统

一、在controlDevices.h中

struct Devices
{
   char deviceName[128];
   int status;
   int pinNum;
   int (*open)(int pinNum);
   int (*close)(int pinNum);
   int (*deviceInit)(int pinNum);
   int (*readStatus)(int pinNum);
   int (*changeStatus)(int pinNum);
   struct Devices *next;
};
struct Devices* addBathroomLightToDeviceLink(struct Device *phead);
struct Devices* addUpstairLightToDeviceLink(struct Device *phead);
struct Devices* addfireIfOrNotToDeviceLink(struct Device *phead);

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2.在fire.c中

#include "controlDevices.h"
#include <stdlib.h>
int fireIfOrNotInit(int pinNum)
{
     pinMode(pinNum,INPUT);
     digitalWrite(pinNum,HIGH);
}

int fireStatusRead(int pinNum)
{
     return digitalRead(pinNum);
}

struct Devices fireIfOrNot{
            .deviceName = "fireIfOrNot",
            .pinNum = 25,
            .deviceInit = fireIfOrNotInit,
            .changeStatus = fireStatusRead
};

struct Devices *addFireIfOrNotToDeviceLink(struct                    Devices *phead)
{
      if(phead == NULL)
      {
           return &fireIfOrNot;
}
     else{
           fireIfOrNot->next = phead;
           phead = &fireIfOrNot;
}
}
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3.在mainpro.c中

#include<stdio.h>
#include"controlDevices.h"
#include<string.h>
struct Device *findDeviceByName(char *name,struct Devices *phead)
{
   structmpt Devices *tmp = phead;
   if(phead == NULL)
   {
   return NULL;
   }
else{
   while(tmp!=NULL)
   {
     if(strcmp(tmp->devicename , name){
          return tmp;
   }
   tmp = tmp->next;   
  }
return NULL;
  }
}


int main()
{
   char name[128];
   struct Devices *pdeviceHead = NULL;
   pdeviceHead = addBathroomLightToDeviceLink(pdeviceHead);
   pdeviceHead = addUpstairLightToDeviceLink(pdeviceHead);
   pdeviceHead = addfireIfOrNotToDeviceLink(pdeviceHead);
   struct Devices *tmp = findDeviceByName(name,pdeviceHead);
   while(1)
  {
   printf("input\n");
   scanf("%s",name);
   if(tmp ！=NULL)
   {
      tmp->deviceInit(tmp->pinNum);
      tmp->open(tmp->pinNum);
   }
  }
}



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