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#include "reg51.h"
+ k* u, x4 \! r8 p, x* Y6 b6 ^#include"intrins.h": o9 `0 E0 \+ _
typedef unsigned char u8;1 I" D8 j; E. e. s" H3 P
typedef unsigned char u16;
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3 @7 X; N& F1 x; zsbit SRCLK=P3^6;% F, J; j3 K7 Z! J- W! r( p8 [
sbit RCLK=P3^5;
5 i! `# ~# a' z$ V9 R3 U! r# }sbit SER=P3^4;" z/ I+ F. V7 k" J) r! Z5 y8 Q- J
u8 code ledwei1[]=$ I, K- H* _7 {3 y( I0 q4 E
{
0 W, r' W$ x- }8 U5 ^; W 0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,6 U9 R; x# h @: m$ O
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80
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u8 code ledduan1[]=3 n* s& Q5 I+ j j2 v# [. V( m' u
{
. t6 _! e* l, e: b, b /*-- 文字: 普 --*/
/ y' ~# [7 b. t" x) Y+ ~% \- ^$ d/*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/4 Z* w9 t5 t+ V; {3 l4 j2 k
0x40,0x44,0x54,0x64,0x45,0x7E,0x44,0x44,0x44,0x7E,0x45,0x64,0x54,0x44,0x40,0x00,/ d; i R8 ~* U7 T4 ]- `, |! i6 T
0x00,0x00,0x00,0xFF,0x49,0x49,0x49,0x49,0x49,0x49,0x49,0xFF,0x00,0x00,0x00,0x00% N& @& ]0 Q8 @* D: t: J7 H
};
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void delay(u16 i )
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while(i--);( _6 C" E! P. F/ e d: g# I) P6 ]# X6 T
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( U- k1 o2 k$ S4 v void Hc595sendByte(u8 dat1,u8 dat2,u8 dat3,u8 dat4)9 s% A5 z+ d6 o7 t' d5 g% ]
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u8 a ;" G- L5 ~& g6 }5 N u: Q
SRCLK=1;$ g4 G- K) M' O _
RCLK=1;
9 s- V; d {9 p( E1 i, [ 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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& M0 V: a6 z: z: ^0 p- X SER =dat1>>7;# H4 i" E) _1 q! e4 N
dat1<<=1;1 T, f$ T* n, J- V
SRCLK=0;
! x; v& {6 w9 F( H N2 c _nop_();- Q( c t# @. {6 Q, c/ I X& Z
_nop_();
, y! i6 j5 G* K, ]" q! a* Y' W& K1 q SRCLK=1;
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9 ~7 [4 Y7 a' O! k: `- x for(a=0;a<8;a++) 5 @- E+ n: N* D7 s
{
4 V3 C. M0 \( N% w3 m SER =dat2>>7;
; L1 e. _ [. U! ^1 ?6 U dat2<<=1;
3 ]* i: l$ L; N SRCLK=0;
% W; y9 B- e2 {+ o+ u _nop_();
3 @! j% G B g2 q. ~$ \! t+ n _nop_();9 ^, c3 k! J3 X/ u: _
SRCLK=1;
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for(a=0;a<8;a++)
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SER =dat3>>7;
1 _9 e6 V# F" Z$ L# | dat3<<=1;
/ \. T9 q' d% q5 s SRCLK=0;+ ?# v7 u$ }2 ^% X
_nop_();' b0 r8 D. r$ ]( Y' _2 q- k
_nop_();! Z( Z S6 W# r& {* c+ ]8 ?0 b
SRCLK=1;- e% h" ]$ F1 B X; E
}
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{: v4 x3 z- W8 h9 d& v6 t& g. z* F1 z
SER =dat4>>7;1 A3 m, \* T$ I1 C1 e+ O
dat4<<=1;) c$ I1 e% g4 z6 d
SRCLK=0;! b: M) i: k9 Y# @
_nop_();5 H) |+ i: S' H3 k* K( q2 }, X
_nop_();5 A9 q: `* }/ }/ O5 j7 h
SRCLK=1;
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1 O, T1 h' S+ L2 Z$ d RCLK=0;% |# A z M% S
_nop_();0 d I# u: r1 X
_nop_();
$ E4 [! z' s& T RCLK=1;' u; s6 R; t6 I a$ {) I- `
}
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void main()2 w" J, `; u5 e9 U
{
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while(1), a" _- M/ x3 Q5 X# r1 a) Q# G0 J
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for(i=0;i<16;i++)
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Hc595sendByte(~ledwei1[i+16],~ledwei1,ledduan1[16+i],ledduan1);( d% \; {; w T/ d$ z2 b: v
delay(10);
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