New Testings

main.c

@@ -1,6 +1,35 @@
 #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);
+	sleep(1);
+	//pin apagao
+	
+	fd = open("/sys/class/gpio/chip0/gpio17/value", O_WRONLY);
+	write(fd, "0",1);
+	close(fd);
+	sleep(1);
+	//unexport
+	
+	fd = open("/sys/class/gpio/chip0/unexport", O_WRONLY);
+	write(fd, "17",2);
+	close(fd);
+
+
 	printf("Hello from Rasperry Pi!\n");
 	printf("Number of arguments: %d\n", argc);
 	printf("Program is reciving: %s\n", argv[0]);