gistfile1.txt

    /*
     * Compile: gcc -Wall -o rf rf.c -lwiringPi
     * Usage: sudo ./rf [binary] [delay in microseconds] [inverting bits]
     * Example.. turning on Silvercrest outlet A
     * sudo ./rf 11111111111111001001011001011011011011001011011011011011001001011001011011011011011011000000 500 1
     */

    #include <stdio.h>
    #include <string.h>
    #include <stdlib.h>
    #include <wiringPi.h>

    #define PIN   0

    void parse_bin(char *string, char *d, int invert, int repeat) {
       int len = strlen(string), delay = atoi(d);;
       int i;
       while(repeat) {
                for(i=0; i < len; i ++) {
                    digitalWrite( PIN, ((int)string[i] - 48) ^ invert ); 
                    delayMicroseconds( delay );
                }
            repeat --;
            }
    }

    void reset_pin(void) {
       digitalWrite( PIN, LOW );
    }

    int main(int argc, char** argv) {
        int invert = 0;
                   
        if(argc < 3) {
          printf("[bin] [delay] [invert]\n");
       return -1;     
       }
       
        if(argv[3][0] == 49)
          invert = 1;
          
        wiringPiSetup ();
        pinMode (PIN, OUTPUT);   
           
       reset_pin();
       parse_bin(argv[1], argv[2], invert, 4);
       reset_pin();
       
    return 0;
    }