Diff: SevenSegmentDisplay.cpp

Revision:

0:9378fe6db796

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SevenSegmentDisplay.cpp	Thu Dec 11 08:01:43 2014 +0000
@@ -0,0 +1,70 @@
+#include "SevenSegmentDisplay.h"
+
+SevenSegmentDisplay::SevenSegmentDisplay(PinName a, 
+                                         PinName b, 
+                                         PinName c, 
+                                         PinName d, 
+                                         PinName e, 
+                                         PinName f, 
+                                         PinName g, 
+                                         PinName dp,
+                                         ConnectionMode mode):
+                           display(dp, g, f, e, d, c, b, a) 
+{
+    display.output();
+    if (mode == CommonAnode)
+        display.mode(OpenDrain);
+    this->mode = mode;
+    init();
+}
+
+void SevenSegmentDisplay::init() {
+    if (mode == CommonAnode)
+        display = 0xFF;
+    else
+        display = 0x00;
+}
+
+void SevenSegmentDisplay::turnOn(int disp) {
+    if (mode == CommonAnode)
+        display = disp;
+    else
+        display = ~disp;
+}
+
+void SevenSegmentDisplay::print(char c) {
+    switch(c) {              // a b c d  e f g dp 
+    case '0':
+        turnOn(0x03);        // 0 0 0 0  0 0 1 1 (CommonAnode, ~CommonCathode)
+        break;
+    case '1':
+        turnOn(0x9F);        // 1 0 0 1  1 1 1 1 (CommonAnode, ~CommonCathode)
+        break;
+    case '2':
+        turnOn(0x25);        // 0 0 1 0  0 1 0 1 (CommonAnode, ~CommonCathode)
+        break;
+    case '3':
+        turnOn(0x0D);        // 0 0 0 0  1 1 0 1 (CommonAnode, ~CommonCathode)
+        break;
+    case '4':
+        turnOn(0x99);        // 1 0 0 1  1 0 0 1 (CommonAnode, ~CommonCathode)
+        break;
+    case '5':
+        turnOn(0x49);        // 0 1 0 0  1 0 0 1 (CommonAnode, ~CommonCathode)
+        break;
+    case '6':
+        turnOn(0x41);        // 0 1 0 0  0 0 0 1 (CommonAnode, ~CommonCathode)
+        break;
+    case '7':
+        turnOn(0x1F);        // 0 0 0 1  1 1 1 1 (CommonAnode, ~CommonCathode)
+        break;
+    case '8':
+        turnOn(0x01);        // 0 0 0 0  0 0 0 1 (CommonAnode, ~CommonCathode)
+        break;
+    case '9':
+        turnOn(0x09);        // 0 0 0 0  1 0 0 1 (CommonAnode, ~CommonCathode)
+        break;
+    default:
+        init();
+    }
+}
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