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

int main(int argc, char *argv[]){
	int fd;
	//export
	fd= open("/sys/class/gpio/chip0/export",O_WRONLY);
	write(fd,"17",2);
	close(fd);
	//pin direction
	fd= open("/sys/class/gpio/chip0/gpio17/direction",O_WRONLY);
	write(fd,"out",3);
	close(fd);
	
	//pin value
	fd= open("/sys/class/gpio/chip0/gpio17/value",O_WRONLY);
	write(fd,"1",1);
	close(fd);

	//unexport
	fd= open("/sys/class/gpio/chip0/unexport",O_WRONLY);
	write(fd,"17",2);
	close(fd);

	printf("AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\n");
	printf("Number of arguments: %d\n",argc);
	printf("Program is reciving: %s\n", argv[0]);
	
	if(argc > 1)
		printf("Argument: %s\n",argv[1]);
	return 0;
}