lzbp li / mbed-src

mbed library sources

Fork of mbed-src by mbed official

Diff: api/DigitalInOut.h

Revision:
455:8bc3a354916d
Parent:
212:34d62c0b2af6
--- a/api/DigitalInOut.h	Tue Jan 27 07:15:07 2015 +0000
+++ b/api/DigitalInOut.h	Tue Jan 27 13:30:08 2015 +0000
@@ -85,6 +85,16 @@
         gpio_mode(&gpio, pull);
     }
 
+    /** Return the output setting, represented as 0 or 1 (int)
+     *
+     *  @returns
+     *    Non zero value if pin is connected to uc GPIO
+     *    0 if gpio object was initialized with NC
+     */
+    int is_connected() {
+        return gpio_is_connected(&gpio);
+    }
+
 #ifdef MBED_OPERATORS
     /** A shorthand for write()
      */