From 08fcb345bedab8797db37942910fb958d6b43a09 Mon Sep 17 00:00:00 2001 From: Angelus Vela Date: Thu, 24 Sep 2026 09:08:25 -0600 Subject: [PATCH] error catcher tested --- main.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/main.c b/main.c index 067e418..6d6f8d4 100644 --- a/main.c +++ b/main.c @@ -6,6 +6,11 @@ int main (int argc, char *argv[]){ int fd; //export fd = open("/sys/class/gpio/chip0/export", O_WRONLY); + if(fd<0) + { + perror("Error openng the GPIO export path"); + return -1; + } write(fd, "17",2); close(fd); //pin direction @@ -18,7 +23,6 @@ int main (int argc, char *argv[]){ close(fd); sleep(1); //pin apagao - fd = open("/sys/class/gpio/chip0/gpio17/value", O_WRONLY); write(fd, "0",1); close(fd);