diff --git a/main.c b/main.c index 6a09b71..e5319a4 100644 --- a/main.c +++ b/main.c @@ -7,6 +7,12 @@ int main(int argc, char *argv[]) int fd; // EXPORT fd = open("/sys/class/gpio/chip0/export", O_WRONLY); + if(fd<0) + { + perror("Error opening GPIO export path"); + return -1; + } + write(fd, "17", 2); close(fd); // DIRECTION