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#include "reg51.h"
9 F) {1 ]1 S$ D#include"intrins.h"
% {7 g: `& K0 I- I) g gtypedef unsigned char u8;
# y& r% p% v/ jtypedef unsigned char u16;
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) _7 u% Y1 A- N. |sbit SRCLK=P3^6;' ~1 o+ b) h( P
sbit RCLK=P3^5;' E5 O, V/ H+ A% J
sbit SER=P3^4;0 Z$ i9 J3 w4 p
u8 code ledwei1[]=
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0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, L# H# b2 ], F+ Z+ z0 T
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80
( a+ J0 W2 v) X( L5 h7 w7 ] };
$ O, |. R* K0 Q5 q6 V3 _ u8 code ledduan1[]=5 H+ [' z2 |: h/ h/ u
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/*-- 文字: 普 --*/' V$ G) E/ N% t Y3 S9 L' D
/*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/' P" t5 o/ D6 P9 u5 x$ g6 D3 g
0x40,0x44,0x54,0x64,0x45,0x7E,0x44,0x44,0x44,0x7E,0x45,0x64,0x54,0x44,0x40,0x00,- `$ v Z9 a% E' ]6 O6 x$ H
0x00,0x00,0x00,0xFF,0x49,0x49,0x49,0x49,0x49,0x49,0x49,0xFF,0x00,0x00,0x00,0x00. r+ Q g1 P8 i( [# z, M
};- G. |0 w, T* z- O, i
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7 W" b6 E1 Y# t* {. D void delay(u16 i ); ~6 {0 [; T1 s$ X
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while(i--);% J+ j3 [. p2 ~0 R4 ~% X6 Z; S
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: m% R: k4 @( T void Hc595sendByte(u8 dat1,u8 dat2,u8 dat3,u8 dat4)
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u8 a ;
|( n: v, u) C# f7 ?: I SRCLK=1;
2 A2 f$ T) c$ F$ m0 o, J RCLK=1;6 N3 N& T) H* n) ~, 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4 G \, C2 z5 J
{
% m5 o5 e3 ^, m0 T9 K) [3 g# D2 ~ SER =dat1>>7;
0 S$ \+ k# \+ ?4 U& z dat1<<=1;) T4 l7 z( x% t0 w4 }- ^- m
SRCLK=0;
9 L' D, G x0 B; m _nop_();
$ F5 x7 T, f% o3 w _nop_();9 p q8 x. b C4 [7 G
SRCLK=1;+ y7 b3 u9 o8 K$ e2 J
}
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for(a=0;a<8;a++)
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SER =dat2>>7;
2 v2 J( G8 l' D! \/ ? dat2<<=1;. _* v2 N* C: x
SRCLK=0;2 E, r3 b( w" S ?: F2 p
_nop_();5 ^! r% H1 j4 P" l
_nop_();
, ` P3 L _* |8 f/ p0 Y SRCLK=1;
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& Y2 ], Y a4 z! U/ l for(a=0;a<8;a++)
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SER =dat3>>7; 1 O6 d, y( b$ t: ?
dat3<<=1;
5 L4 Q% q- G) H* r SRCLK=0;
7 |3 h9 M8 z( f- ]8 O! ? _nop_();7 o8 g8 y2 b; u) m, R1 U
_nop_();: ] l; C8 N. S" g* S. f6 e1 g
SRCLK=1;
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/ n$ D1 y( f% X2 u8 E& l; }4 d for(a=0;a<8;a++) ) ]3 A, \+ r# L0 Y
{( e- c- ~1 G% g8 J# @
SER =dat4>>7;
3 q+ @" X) q5 C: s/ j& w" x" }9 Y dat4<<=1;
/ T2 k. ^/ Y2 T' J$ d5 s SRCLK=0;
; p: N7 i; Z: q E6 O _nop_();4 X$ T. e" ~- w/ J
_nop_();
* e; a! P$ j/ q# O& { SRCLK=1;
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RCLK=0;* F" F. E, } N3 Y) ~
_nop_();- Z6 `% B" N* I7 v
_nop_();
' ~; r, k+ C7 Z* g RCLK=1;
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void main()
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u8 i ; D0 m2 L) F6 g" q4 s8 e9 R
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while(1)& d4 p: E# u3 i
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for(i=0;i<16;i++)
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Hc595sendByte(~ledwei1[i+16],~ledwei1,ledduan1[16+i],ledduan1);8 h* p c) t* ]6 P% N4 s
delay(10);7 T1 Q% d1 z( h, [& w
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}
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