Diff: main.cpp

Revision:

1:919b214c583c

Parent:

0:ae927e3c7264

Child:

2:4180acdfa77a

--- a/main.cpp	Tue Dec 24 10:18:37 2013 +0000
+++ b/main.cpp	Tue Dec 24 11:06:30 2013 +0000
@@ -10,7 +10,11 @@
 
 uint8_t ui8Tens = 0, ui8Units = 0;
 
-SevenSegmentDisplay segmentled( FADE ); // add + FLASH to flash display, or INSTANT 
+// Options to instantiate SevenSegmentDisplay are...
+// FADE: causes the number changes to fade in smoothly
+// INSTANT: causes the an instant number change
+// + FLASH: causes the display to flash
+SevenSegmentDisplay segmentled( FADE );
 
 void attimeout();            //declare prototype for timeout handler.
 
@@ -18,25 +22,29 @@
 
 int main()
 {
-    //segmentled.FlashRate(100);
-    timeout.attach_us(&attimeout, 500000); // Set up interrupt to call attimeout() every half a second.
+    //segmentled.FlashRate(100); //Sets the flash rate to every 100ms
+    //segmentled.FadeMode(FADE + FLASH); //Changes display mode to fade with flash
+    //segmentled.FadeRate(10); // Sets the fade rate to 10ms intervals
 
-    for(;;) {
-    }
+    // Set up interrupt to call attimeout() every half a second.
+    timeout.attach_us(&attimeout, 500000);
+
+    for(;;) {} // Loop forever (all the program uses interrupts.
 }
 
-void attimeout()              //Timer interrupt routine.
+void attimeout()
 {
     ui8Units ^= 0x80;
     if ((ui8Units & 0x80) == 0) {
-        ui8Units++;             // This means the same as D_7seg[0] = D_7seg[0] + 1; Increment "units"
-        if (ui8Units > 36) {     // "units" digit should be in the range 0 -> 9
+        ui8Units++;             // "units"
+        if (ui8Units > 36) {    // cycle through entire range 0 -> 9, A -> Z
             ui8Units = 0;       // Reset the "units" to 0
             ui8Tens++;          // Increment "tens" digit
-            if (ui8Tens > 36) {  // "tens" digit should be in the range 0 -> 9
+            if (ui8Tens > 36) { // cycle through entire range 0 -> 9, A -> Z
                 ui8Tens = 0;    // Reset the "tens" to 0
             }
         }
     }
-    segmentled.SevenSegmentDisplayChange(ui8Tens, ui8Units); // Keep the displays multiplexed.
-}
+    // Updates display with new values.
+    segmentled.SevenSegmentDisplayChange(ui8Tens, ui8Units);
+}
\ No newline at end of file