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#include "reg51.h"2 O+ w* x, r4 R. {5 N( ^5 f( ^- G
#include"intrins.h"# h; a1 y! U& F/ m7 i
typedef unsigned char u8;
2 `/ c2 W+ ^0 q$ C1 d8 itypedef unsigned char u16;
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8 e$ } R( l( F, G- Asbit SRCLK=P3^6;8 B& w* c/ r4 }- e. I
sbit RCLK=P3^5;5 b: W2 S8 f8 j% N
sbit SER=P3^4;) f7 U" p# R5 N- r, ]: J+ N
u8 code ledwei1[]=
7 o ] @5 K6 b; {( W {
% O) M* f$ L8 D. @/ X 0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
' D7 f$ l; K, I 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80
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u8 code ledduan1[]=( `2 `9 S0 Y: g! x% P
{
6 { p7 s" n) h9 g5 R! I /*-- 文字: 普 --*/( f/ s3 O3 x, z: H) D7 P
/*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/
+ R2 h* v* z- f% f0x40,0x44,0x54,0x64,0x45,0x7E,0x44,0x44,0x44,0x7E,0x45,0x64,0x54,0x44,0x40,0x00,
+ m" G- W6 [* i1 C6 r" q0x00,0x00,0x00,0xFF,0x49,0x49,0x49,0x49,0x49,0x49,0x49,0xFF,0x00,0x00,0x00,0x00* H0 a; N3 H! g# {/ F
};
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void delay(u16 i )
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while(i--);, {' G1 r2 g1 i- v* |6 e3 [, o
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! V" w# ^* d; h, j D void Hc595sendByte(u8 dat1,u8 dat2,u8 dat3,u8 dat4)
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u8 a ;9 n* K+ \" d' a' O& v% s. T L
SRCLK=1;
/ ~* B( n3 s7 C+ J* d RCLK=1;
! A/ `- O7 {' o4 e+ J4 e7 B for(a=0;a<8;a++) //传递四个参数分别移位四次在移位寄存器当中去
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) Q" K4 R1 r6 z3 ?2 r0 r% r8 P, S8 ~ SER =dat1>>7;' G$ Q' z: o: j6 R2 [# V: s
dat1<<=1;
/ l. C, U! h! Z* e; J- {: K* I SRCLK=0;9 l) I2 I- V% z1 ?7 c; ~
_nop_();
2 g4 D$ l; e1 e& w5 V4 t3 ~ _nop_();/ r2 I! W9 ]- ~6 {. G; ]& t8 A6 a
SRCLK=1;
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; V+ r6 e" u/ ]5 w8 U; D for(a=0;a<8;a++)
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SER =dat2>>7;
7 O8 p9 a( j I4 t5 `& P$ ^ dat2<<=1;: J& C# r5 Y- W2 V |) n3 \2 H
SRCLK=0;
9 W. G. W, v, u' {( e( e% o) N _nop_();( B: M, m3 D* S% T- w7 t
_nop_();
. X8 q: t( L$ G0 E$ Y9 F' ]; s& q SRCLK=1;
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for(a=0;a<8;a++) ; u( ^4 y: V* F
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SER =dat3>>7;
8 l+ H) S6 u: v g8 N( x6 }0 T dat3<<=1;: i7 M- `3 x) O) P, N% {6 ]! E
SRCLK=0;
% Y5 t- X* N4 b% `/ @+ N _nop_();
' V( ?; a# i9 L, a+ x t3 _ _nop_();
5 e. K. X/ \: G9 Y) l$ Y SRCLK=1;
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! n: n/ I" a) y$ t5 w! r for(a=0;a<8;a++) 5 a( g1 ]: i+ E& I/ U3 r
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SER =dat4>>7;- a$ R7 K) b9 d& {' s7 u
dat4<<=1;
. I' v% {% W* t SRCLK=0;# T- H, n& G2 m' n) I# Y9 q! q
_nop_(); P* \$ L+ x- d4 g: d
_nop_();$ E7 W3 F# {+ ]: v' J' X3 w
SRCLK=1;
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RCLK=0;
/ g& p2 s# @5 s/ o+ v _nop_();) m" P* e" ^" H# j
_nop_();7 K K+ Q* F/ n9 }
RCLK=1;3 V7 u; t! V$ A0 C7 i5 `) o
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void main()
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0 t0 M! C$ l: N) N( G while(1)3 L5 w) _, o, U7 A' F, t
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for(i=0;i<16;i++) ]0 Q. h! F) z- M: Z* F! S1 ]
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{
# k2 i; c" `& F1 {+ p& |2 R Hc595sendByte(~ledwei1[i+16],~ledwei1,ledduan1[16+i],ledduan1);
) l# h7 [; L. q; h delay(10);5 Y5 e* A U8 l4 d' n1 W8 I- ?
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