lzbp li / mbed-src

mbed library sources

Fork of mbed-src by mbed official

Diff: hal/gpio_api.h

Revision:
455:8bc3a354916d
Parent:
113:65a335a675de
--- a/hal/gpio_api.h	Tue Jan 27 07:15:07 2015 +0000
+++ b/hal/gpio_api.h	Tue Jan 27 13:30:08 2015 +0000
@@ -28,6 +28,12 @@
  **/
 uint32_t gpio_set(PinName pin);
 
+/* Checks if gpio object is connected (pin was not initialized with NC)
+ * @param pin The pin to be set as GPIO
+ * @return 0 if port is initialized with NC
+ **/
+int gpio_is_connected(const gpio_t *obj);
+
 /* GPIO object */
 void gpio_init(gpio_t *obj, PinName pin);