rfreceive.cpp

/*
  rfreceive.cpp
  by Sarrailh Remi
  Description : This code receives RF codes and trigger actions
  Modificado por Juanmol para http://rsppi.blogspot.com
*/

#include "RCSwitch.h"
#include <stdlib.h>
#include <stdio.h>

  RCSwitch mySwitch;
  int pin; //Pin of the RF receiver
  int codereceived; // Code received
  char buffer[200]; // Buffer for the command

  int main(int argc, char *argv[]) {

        if(argc == 2) { //Verify if there is an argument
      pin = atoi(argv[1]); //Convert first argument to INT
      printf("PIN SELECTED :%i\n",pin);
    }
  else {
    printf("No PIN Selected\n");
    printf("Usage: rfreceive PIN\n");
    printf("Example: rfreceive 0\n");
    exit(1);
  }

    if(wiringPiSetup() == -1) { //Initialize WiringPI
      printf("Wiring PI is not installed\n"); //If WiringPI is not installed give indications
      printf("You can install it with theses command:\n");
      printf("apt-get install git-core\n");
      printf("git clone git://git.drogon.net/wiringPi\n");
      printf("cd wiringPi\n");
      printf("git pull origin\n");
      printf("./build\n");
      exit(1);
    }

   mySwitch = RCSwitch(); //Settings RCSwitch (with first argument as pin)
   mySwitch.enableReceive(pin);

   while(1) { //Infinite loop
    if (mySwitch.available()) { //If Data is detected.
         codereceived = mySwitch.getReceivedValue(); //Get data in decimal
          printf("Received %i\n", mySwitch.getReceivedValue() );
          sprintf(buffer, "sh /usr/local/bin/recibe_rf.sh %i", mySwitch.getReceivedValue());
          system(buffer);

          //Want to execute something when a code is received ?
          //When 12345 is received this will execute program_to_execute for exemple)
          /*
          if (codereceived == 12345)
          {
            system("program_to_execute");
          }
          */
    }
  mySwitch.resetAvailable();
  }
}