Diff: main.cpp

Revision:

4:98b4e2f46789

Parent:

3:993b88218184

Child:

5:decb31e2efa4

--- a/main.cpp	Sun Jul 13 02:23:16 2014 +0000
+++ b/main.cpp	Sun Jul 13 03:03:51 2014 +0000
@@ -69,35 +69,47 @@
 }
 
 
+class BTN {
+
+public:
+
     unsigned char CMD;
     unsigned char STAT;
+private:
     unsigned char FIL;
 
-    DigitalIn _Pin(dp13);
+    DigitalIn _Pin;
     Ticker _Tick;
 
-void sample_btn()
-{
-    unsigned char a, b;
-
-    a = _Pin;
+    void sample_btn()
+    {
+        unsigned char a, b;
     
-    if (a == FIL) {
-        b = STAT;
-        STAT = a;
-        b = (b ^ a) & a;
-        if (b) CMD = b;
+        a = _Pin;
+        
+        if (a == FIL) {
+            b = STAT;
+            STAT = a;
+            b = (b ^ a) & a;
+            if (b) CMD = b;
+        }
+        FIL = a;
     }
-    FIL = a;
-}
+public:
+    BTN(PinName pin) : _Pin(pin) {
+        _Tick.attach(this, &BTN::sample_btn, 0.01);
+    }
+
+
+};
+
+    BTN btn(dp13);
 
 int main()
 {
     int i;
     char* ptr;
 
-    _Tick.attach(&sample_btn, 0.01);
-
     {
         __pwm.period(1.0/FREQ);
         __pwm.write(0.0);
@@ -124,9 +136,9 @@
             }
             space(2);
 
-            if(CMD) {
+            if(btn.CMD) {
                 i++;
-                CMD = 0;
+                btn.CMD = 0;
             }
         }
     }