// 433MHz electro-shock code sender program.
// (c)2019 Max515
// License: GPL

#include <stdio.h>
#include <wiringPi.h>
#include <unistd.h>

int RFStart(void){
        digitalWrite(0,HIGH);
        usleep(8100);
        digitalWrite(0,LOW);
        usleep(4100);
        return 0;}

int RFSend1(void){
        digitalWrite(0,HIGH);
        usleep(560);
        digitalWrite(0,LOW);
        usleep(560);
        return 0;}

int RFSend0(void){
        usleep(1120);
        return 0;}

int main(void){
char code[33];
int i=0;

printf("Enter code: ");
fgets(code,33,stdin);

wiringPiSetup();
pinMode(0,OUTPUT);
RFStart();
while(code[i]!='\0'){
        if(code[i]=='0') RFSend0();
        else if(code[i]=='1') RFSend1();
        else printf("Error at character %c. Character not 0 or 1.",i);
        i++;}
return 0;}