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#include "reg51.h"
' a; Y) y r5 s5 |5 Y, T- _#include"intrins.h"4 d% K- I( f3 o" q1 }: @2 Z% c& s
typedef unsigned char u8;; n5 V2 }: W" U2 s f
typedef unsigned char u16;% _& o: Q' J6 |: H2 P0 i3 @5 X
# e7 P2 I$ }( F& F
sbit SRCLK=P3^6;2 Q+ L3 S/ c4 l
sbit RCLK=P3^5;! N; U3 x& W- b
sbit SER=P3^4;
! E+ `( O2 M6 @8 z) ] u8 code ledwei1[]=
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3 A/ j x0 v x3 @' b/ ] 0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
7 [ a8 C% T& W5 d# ]$ p2 O- Y 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80
; O0 J! x! r( Q1 ` };
f( s- M& L% y4 K/ b& S0 H u8 code ledduan1[]=
4 m( x2 S m, `" _ {
! B' l- o }; [4 _2 N: }5 q1 x. y /*-- 文字: 普 --*/
$ G4 \+ U. u0 a) |/*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/
$ \+ Q3 Z5 k8 z& Y, R1 [6 o0x40,0x44,0x54,0x64,0x45,0x7E,0x44,0x44,0x44,0x7E,0x45,0x64,0x54,0x44,0x40,0x00,
+ f2 x* X" p$ K" X) t# \0x00,0x00,0x00,0xFF,0x49,0x49,0x49,0x49,0x49,0x49,0x49,0xFF,0x00,0x00,0x00,0x00
& ?0 N3 @: J! R3 O5 p/ u6 _};
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void delay(u16 i )
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! w1 _2 N% o- ?' @ while(i--);" x9 t% V- H8 \
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2 w/ _# R0 @6 Q+ H# ^ void Hc595sendByte(u8 dat1,u8 dat2,u8 dat3,u8 dat4)* L& h$ `; ]2 i+ S, H/ V
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u8 a ;
8 D8 A+ k! W1 o4 _, O7 B: P SRCLK=1;
7 b; J1 s( H3 P' C RCLK=1;
7 C- M/ A& x) ^9 f! ] 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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SER =dat1>>7;) {+ A2 K( c, A) {! ]5 w
dat1<<=1;& h8 v& w' d8 y( O
SRCLK=0;: R: t4 l2 x* I' k D; _
_nop_();
J5 Z# G- |# v' g5 Z$ L _nop_();$ e0 ^+ w$ `4 v: E% g$ L
SRCLK=1;
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for(a=0;a<8;a++) % _" O" o; Q/ ?
{
* B4 @* x: m/ s" l4 b+ D8 B SER =dat2>>7;
6 u% e3 r1 n/ n dat2<<=1;+ M6 q& Z) C7 z$ C
SRCLK=0;
/ I/ R( a- ~5 X+ B x% U& | _nop_();
% d- X% _1 r4 S; t' ]5 w* o _nop_();# R' S X3 j7 w* X* t
SRCLK=1;
2 y8 F! O2 q5 K) D2 p8 ] }
" d9 C1 D' S6 |3 l for(a=0;a<8;a++) ) }: }. s8 P6 C1 k4 A4 `- |
{
2 R1 [. b! j$ J SER =dat3>>7;
! D$ g, c" T% I8 p# h/ o- l dat3<<=1; G/ }# \2 X" p& I
SRCLK=0;
* h$ N, {" d- u/ y H8 q5 L _nop_();2 C7 R. F: `" v# w t0 d/ x
_nop_();% c) G6 l+ b1 r) `+ s4 a/ Y9 y
SRCLK=1;
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for(a=0;a<8;a++)
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7 B" m$ i& C0 |* I SER =dat4>>7;
. W7 O9 G, s9 d b dat4<<=1;
0 x# ?" s3 T. x. x9 d: Z SRCLK=0;
4 j! I9 [' A- C) W' ? _nop_();
+ |2 o c1 r$ F; u. E6 r7 O. v, d _nop_();- L( G, F- |! l7 R e
SRCLK=1;" B$ o" K* c; k' c* t
}
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/ n% y: Z0 v( V `/ X% Q RCLK=0;
" @/ ~* n) w. Y. U$ A _nop_();
+ g Z. U" t4 m# W _nop_();
0 w& G7 k" e h" H: O RCLK=1;9 }+ V9 n! H) s2 s; ^2 z7 ]/ h7 Q
}
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void main()- M6 l6 c4 ^0 `7 c
{
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while(1)
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6 h1 m$ z8 a7 I2 U0 A/ F1 |6 L for(i=0;i<16;i++)8 U- d5 K( X0 [
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; l8 _' t' p+ G- k Hc595sendByte(~ledwei1[i+16],~ledwei1,ledduan1[16+i],ledduan1);
/ V4 D' D& v9 F$ C% o1 G# Q delay(10);
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