add error-handling on file-deskriptor

project/motor.c

@@ -17,6 +17,9 @@
 void writeFile(char *filename, char *buffer, size_t count)
 {
 	int fd = open(filename, O_WRONLY);
+	if(fd == -1) {
+		perror("Fehler bei open ");
+	}
 	write(fd, buffer, count);
 	close(fd);
 }
@@ -93,7 +96,7 @@ int main()
 	registerOutput(PIN_MOTOR1_REVERSE);
 	registerOutput(PIN_MOTOR2_FORWARD);
 	registerOutput(PIN_MOTOR2_REVERSE);
-	
+	forward(2);
 	
 	return 0;
 }