main.cpp

00001 #include "mbed.h"
00002 #include "ShiftOut.h"
00003 
00004 ShiftOut Seg7(D8, D7, D4, D13, D12);
00005 
00006 const char SEGMENT_MAP[] = {0x03,0x9F,0x25,0x0D,0x99,0x49,0x41,0x1F,0x01,0x09};
00007 const char SEGMENT_SELECT[] = {0x8F,0x4F,0x2F,0x1F};
00008 
00009 int counter = 0;
00010 
00011 int main() {
00012     while(1) {
00013         for (int delay = 0 ; delay < 100 ; delay++) {
00014             Seg7.write2Byte(SEGMENT_MAP[counter/1000] + (SEGMENT_SELECT[0]<<8));
00015             Seg7.write2Byte(SEGMENT_MAP[counter%1000/100] + (SEGMENT_SELECT[1]<<8));
00016             Seg7.write2Byte(SEGMENT_MAP[counter%100/10] + (SEGMENT_SELECT[2]<<8));
00017             Seg7.write2Byte(SEGMENT_MAP[counter%10] + (SEGMENT_SELECT[3]<<8));
00018         }
00019         if (counter < 9999) {
00020             counter++;
00021         } else {
00022             counter = 0;
00023         }
00024     }
00025 }