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139
TimerDelay_2.c
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139
TimerDelay_2.c
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//<2F>Ĥ@<40><><EFBFBD>C<EFBFBD>`<60>X<EFBFBD>G<EFBFBD><47><EFBFBD>Ĥ<EFBFBD><C4A4><EFBFBD><EFBFBD>C<EFBFBD>`<60>X<EFBFBD>A<EFBFBD>ä@<40><><EFBFBD><EFBFBD><EFBFBD>Ƴo<C6B3>ӹL<D3B9>{ <20>A<EFBFBD>̧<EFBFBD><CCA7><EFBFBD><EFBFBD><EFBFBD> 0 - 9<>A<EFBFBD>C<EFBFBD>Ӹ<EFBFBD><D3B8>X<EFBFBD><58><EFBFBD>d 1.5 <20><>
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#include <reg51.h>
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// <20>ŧi D <20><><EFBFBD><EFBFBD><EFBFBD>Ͼ<EFBFBD><CFBE>}
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sbit P2_6 = P2^6;
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sbit P2_7 = P2^7;
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// <20>ŧi<C5A7><69><EFBFBD>ɨ禡
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void delay_1ms();
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void delay_1500ms();
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// <20>ŧi<C5A7>C<EFBFBD>q<EFBFBD><71><EFBFBD>ܾ<EFBFBD><DCBE>禡
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void Slect_Seg(unsigned char number);
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void Display_Seg(unsigned char display);
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//<2F>ŧi<C5A7>Ʀr<C6A6><72><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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char code NUM[10] = {
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0x3F, // 0
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0x06, // 1
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0x5B, // 2
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0x4F, // 3
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0x66, // 4
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0x6D, // 5
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0x7D, // 6
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0x07, // 7
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0x7F, // 8
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0x6F // 9
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};
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char code POS[6] = {
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~0x01, // 0xfe <20>N<EFBFBD>O 11111110
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~0x02, // 0000 0010
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~0x04, // 0000 0100
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~0x08, // 0000 1000
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~0x10, // 0001 0000
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~0x20 // 0010 0000
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};
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// <20>D<EFBFBD>{<7B><>
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int main(){
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int i, j = 0;
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// <20><><EFBFBD><EFBFBD><EFBFBD>{<7B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>L<EFBFBD>a<EFBFBD>j<EFBFBD><6A>
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while(1) {
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Slect_Seg(POS[i]); // <20>]<5D>w<EFBFBD><77><EFBFBD><EFBFBD><EFBFBD>G
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Display_Seg(NUM[j]); // <20><><EFBFBD>Ʀr
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delay_1500ms(); // <20><><EFBFBD><EFBFBD> 1.5 <20><>
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i = (i + 1) % 6;
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j = (j + 1) % 10;
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}
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}
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void Slect_Seg(unsigned char number) {
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// <20><><EFBFBD><EFBFBD> D <20><><EFBFBD><EFBFBD><EFBFBD>Ͼ<EFBFBD>(<28>w<EFBFBD><77><EFBFBD><EFBFBD><EFBFBD>I)
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P2_7 = 0;
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// <20><><EFBFBD>w<EFBFBD><77><EFBFBD><EFBFBD><EFBFBD>G
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P0 = number;
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// <20>}<7D>ұ<EFBFBD><D2B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>G<EFBFBD><47> D <20><><EFBFBD><EFBFBD><EFBFBD>Ͼ<EFBFBD>
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P2_7 = 1;
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// <20><><EFBFBD><EFBFBD>(<28>Y<EFBFBD><59><EFBFBD><EFBFBD><EFBFBD>G)
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delay_1ms();
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// <20><><EFBFBD><EFBFBD> D <20><><EFBFBD><EFBFBD><EFBFBD>Ͼ<EFBFBD>(<28><><EFBFBD>Y<EFBFBD>i<EFBFBD>h<EFBFBD><68><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>T<EFBFBD>w<EFBFBD>G)
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P2_7 = 0;
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}
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void Display_Seg(unsigned char display) {
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// <20><><EFBFBD><EFBFBD> D <20><><EFBFBD><EFBFBD><EFBFBD>Ͼ<EFBFBD>(<28>w<EFBFBD><77><EFBFBD><EFBFBD><EFBFBD>I)
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P2_6 = 0;
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// <20><><EFBFBD>w<EFBFBD><77><EFBFBD>X
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P0 = display;
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// <20>}<7D>ұ<EFBFBD><D2B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>G<EFBFBD><47> D <20><><EFBFBD><EFBFBD><EFBFBD>Ͼ<EFBFBD>
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P2_6 = 1;
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// <20><><EFBFBD><EFBFBD>(<28>Y<EFBFBD><59><EFBFBD>X)
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delay_1ms();
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// <20><><EFBFBD><EFBFBD> D <20><><EFBFBD><EFBFBD><EFBFBD>Ͼ<EFBFBD>(<28><><EFBFBD>Y<EFBFBD>i<EFBFBD>h<EFBFBD><68><EFBFBD><EFBFBD><EFBFBD>X<EFBFBD>T<EFBFBD>w<EFBFBD><77>)
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P2_6 = 0;
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}
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// <20><><EFBFBD><EFBFBD> 1ms
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void delay_1ms(void) {
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//<2F>]<5D>w<EFBFBD><77> mode1
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TMOD = 0x10;
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//<2F>]<5D>w<EFBFBD><77><EFBFBD>l<EFBFBD><6C>
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TF1 = 0;
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TR1 = 0;
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TL1 = (65536 - 9) % 256;
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TH1 = (65536 - 9) / 256;
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//<2F>}<7D>ҭp<D2AD>ɾ<EFBFBD>
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TR1 = 1;
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//<2F><> TF1 <20>S<EFBFBD><53><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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while(TF1 == 0);
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//<2F><><EFBFBD><EFBFBD><EFBFBD>p<EFBFBD>ɾ<EFBFBD>
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TR1 = 0;
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//<2F>N TF1 <20>k<EFBFBD>s
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TF1 = 0;
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}
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// <20><><EFBFBD><EFBFBD> 1500ms
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void delay_1500ms(void) {
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//<2F>]<5D>w<EFBFBD><77> mode1
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TMOD = 0x10;
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//<2F>]<5D>w<EFBFBD><77><EFBFBD>l<EFBFBD><6C>
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TF1 = 0;
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TR1 = 0;
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TL1 = (65536 - 13824) % 256;
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TH1 = (65536 - 13824) / 256;
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//<2F>}<7D>ҭp<D2AD>ɾ<EFBFBD>
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TR1 = 1;
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//<2F><> TF1 <20>S<EFBFBD><53><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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while(TF1 == 0);
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//<2F><><EFBFBD><EFBFBD><EFBFBD>p<EFBFBD>ɾ<EFBFBD>
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TR1 = 0;
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//<2F>N TF1 <20>k<EFBFBD>s
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TF1 = 0;
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}
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