Diff: main.cpp

Revision:

0:c973368c963d

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Mar 13 21:01:58 2013 +0000
@@ -0,0 +1,46 @@
+/*Program Example 3.5: Simple demonstration of 7-segment display. Display digits 0 to 9 in turn.
+                                                                       */
+#include "mbed.h"
+BusOut display_units(p5,p6,p7,p8,p9,p10,p11,p12);   // segments a,b,c,d,e,f,g,DP
+BusOut display_tens(p21,p22,p23,p24,p25,p26,p27,p28);
+DigitalOut Seconds_Ticker(p30);
+
+char SegConvert( char SegValue);
+
+int main()
+{
+    while(1) {
+        for(char j=0; j<10; j++) {
+            display_tens = SegConvert(j);
+            for(char i=0; i<10; i++) {
+                display_units = SegConvert(i);
+                for(int s=0;s<60; s++) {
+                Seconds_Ticker = 1;
+                wait(0.5);
+                Seconds_Ticker = 0;
+                wait(0.5);}
+            }
+        }
+    }
+}
+
+char SegConvert(char SegValue)
+{
+    char SegByte=0x00;
+    switch (SegValue) {
+                                        //DP G F E   D C B A
+        case 0: SegByte = 0x3F; break;  //0  0 1 1   1 1 1 1 binary
+                                        //display 0
+        case 1: SegByte = 0x86; break;  //1  0 0 0   0 1 1 0
+                                        //display 1 + DP
+        case 2: SegByte = 0x5B; break;
+        case 3: SegByte = 0x4F; break;  
+        case 4: SegByte = 0x66; break;  
+        case 5: SegByte = 0x6D; break;
+        case 6: SegByte = 0x7D; break;  
+        case 7: SegByte = 0x07; break;  
+        case 8: SegByte = 0x7F; break;
+        case 9: SegByte = 0x6F; break;  
+    }                                      //end of switch
+    return SegByte;
+}