Hardware Connection:
program:
#include #include #define uchar unsigned char #define uint unsigned int uchar code Table_OF_Digits[]= { 0x00,0x3e,0x41,0x41,0x41,0x3e,0x00,0x00, 0x00,0x00,0x00,0x21,0x7f,0x01,0x00,0x00, 0x00,0x27,0x45,0x45,0x45,0x39,0x00,0x00, 0x00,0x22,0x49,0x49,0x49,0x36,0x00,0x00, 0x00,0x0c,0x14,0x24,0x7f,0x04,0x00,0x00, 0x00,0x72,0x51,0x51,0x51,0x4e,0x00,0x00, 0x00,0x3e,0x49,0x49,0x49,0x26,0x00,0x00, 0x00,0x40,0x40,0x40,0x4f,0x70,0x00,0x00, 0x00,0x36,0x49,0x49,0x49,0x36,0x00,0x00, 0x00,0x32,0x49,0x49,0x49,0x3e,0x00,0x00, }; uchar i=0,t=0,Num_Index = 0; void main() { P3 = 0x80; Num_Index = 0; TMOD = 0x00; TH0 = (8192-2000)/32; TL0 = (8192-2000)%32; TR0 = 1; IE = 0x82; while(1); } void LED_Screen_Display() interrupt 1 { TH0 = (8192-2000)/32; TL0 = (8192-2000)%32; P3 = _crol_(P3,1); P0 = ~Table_OF_Digits[Num_Index * 8 +i]; if(++i == 8) i = 0; if(++t == 250) { t = 0x00; if(++Num_Index == 10) Num_Index = 0; } }
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