gpio driver

src/main.c

@@ -5,7 +5,7 @@
 
 #include <gpio.h>
 
-static const struct gpio gpio = {
+const struct gpio gpio = {
     .pin = 0x08,
 };
 
@@ -15,6 +15,7 @@ int main(int argc, char *argv[])
     unsigned int value;
 
     openlog("ftdi_gpio", LOG_CONS | LOG_PID | LOG_NDELAY, LOG_LOCAL1);
+    // setlogmask(LOG_DEBUG);
 
     res = gpio_open(&gpio);
     if(res != EXIT_SUCCESS) {