Kiran George Vetteth / Digital_InOut

Digital InOut

Files at this revision

API Documentation at this revision

Revision 1:b4bc3430a055, committed 2014-09-27

Comitter:
kiran_mbed
Date:
Sat Sep 27 18:42:42 2014 +0000
Parent:
0:b2ebb454185a
Commit message:
Recent;

Changed in this revision

Digital_InOut.h Show annotated file Show diff for this revision Revisions of this file 
diff -r b2ebb454185a -r b4bc3430a055 Digital_InOut.h
--- a/Digital_InOut.h	Thu Jun 12 03:00:34 2014 +0000
+++ b/Digital_InOut.h	Sat Sep 27 18:42:42 2014 +0000
@@ -30,8 +30,8 @@
 
 */
 
-#ifndef DIGITAL_IN_H
-    #define DIGITAL_IN_H
+#ifndef DIGITAL_INOUT_H
+    #define DIGITAL_INOUT_H
 
     #include "mbed.h"
 
@@ -227,6 +227,8 @@
         };
     #endif /* Pin_Name */
     
+    #ifndef _PIN_MODE_
+    #define _PIN_MODE_
     enum Pin_Mode
     {
         pull_up     =   0,
@@ -234,12 +236,16 @@
         neither     =   2,
         repeater    =   3 
     };
+    #endif /* _PIN_MODE_ */
     
+    #ifndef _PIN_DIRECTION_
+    #define _PIN_DIRECTION_
     enum Pin_Direction
     {
         input   =   0,
         output  =   1
     };         
+    #endif/* _PIN_DIRECTION_ */
     
     class Digital_InOut
     {
@@ -330,7 +336,8 @@
                     
                     int read()
                     {
-                            return ((*(uint32_t*)(_FIOPIN_BASE +_pin.port*0x20) & (1 << _pin.pin)) >> _pin.pin);                                //Read
+                            int FIOPINvalue = *(uint32_t*)(_FIOPIN_BASE +_pin.port*0x20);
+                            return ((FIOPINvalue & (1 << _pin.pin)) >> _pin.pin);
                     }
                     
                     void write(int value)
@@ -387,4 +394,4 @@
                     }
     };
 
-#endif /* DIGITAL_IN_H */
\ No newline at end of file
+#endif /* DIGITAL_INOUT_H */
\ No newline at end of file