Revision 0:ccd27d3bca28, committed 2015-03-15

Comitter:

faif

Date:

Sun Mar 15 17:23:48 2015 +0000

Commit message:

revised

Changed in this revision

diff -r 000000000000 -r ccd27d3bca28 mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Sun Mar 15 17:23:48 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/63bcd7ba4912
\ No newline at end of file

diff -r 000000000000 -r ccd27d3bca28 two_way_switch.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/two_way_switch.cpp	Sun Mar 15 17:23:48 2015 +0000
@@ -0,0 +1,35 @@
+#include "mbed.h"
+#include "two_way_switch.h"
+
+int main (void) 
+{
+    DigitalOut state = myled;
+    
+    while (true) 
+    {
+        if (button)
+        {
+            /* toggle the state of the led */
+            toggle_state(state);
+            
+            /* to avoid the bouncing effect */
+            while (button)
+            {
+                wait(BOUNCE_DELAY);   
+            }
+        }
+    }   
+}
+
+void toggle_state(DigitalOut& s)
+{
+    switch(s)
+    {
+        case true:
+            s = false;
+            break;
+        case false:
+            s = true;
+            break;
+    }
+}
\ No newline at end of file

diff -r 000000000000 -r ccd27d3bca28 two_way_switch.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/two_way_switch.h	Sun Mar 15 17:23:48 2015 +0000
@@ -0,0 +1,13 @@
+#ifndef TWO_WAY_SWITCH_H
+#define TWO_WAY_SWITCH_H
+
+enum {LedOff = 0, LedOn = 1};
+
+const float BOUNCE_DELAY = 0.2; // in seconds
+
+DigitalIn button(p20);
+DigitalOut myled(LED2);
+
+void toggle_state(DigitalOut& state);
+
+#endif