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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 }
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