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#include "reg51.h"
1 ~, B, v" P; @5 e& P4 w#include"intrins.h"8 v9 `! l& _) n: C* m
typedef unsigned char u8;
' d4 c- t2 g! m$ atypedef unsigned char u16;
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sbit SRCLK=P3^6;
% O% K/ b' X$ P1 ]: M0 C( hsbit RCLK=P3^5;
8 ]6 L9 P- u* j/ l: g+ |& f& Dsbit SER=P3^4;
+ l( P7 N2 C/ E1 v/ E# ~8 P# w( Z/ ~ u8 code ledwei1[]=4 ?! K( [% c; }
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0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
! X$ ^7 q) q4 a/ E$ Q 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80
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u8 code ledduan1[]=
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/*-- 文字: 普 --*/5 C3 Z- F5 w( x/ E. Q# h
/*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/
- h* @3 ]: ]9 w4 b( ~0x40,0x44,0x54,0x64,0x45,0x7E,0x44,0x44,0x44,0x7E,0x45,0x64,0x54,0x44,0x40,0x00,2 J, M: w w6 e: X9 k+ d& e; ^
0x00,0x00,0x00,0xFF,0x49,0x49,0x49,0x49,0x49,0x49,0x49,0xFF,0x00,0x00,0x00,0x00
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: e1 }& _0 q7 e4 E* Q+ Z void delay(u16 i )3 Q; O/ I% H. b* I/ m
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while(i--);
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+ \1 M& {0 L" b/ I0 K8 } void Hc595sendByte(u8 dat1,u8 dat2,u8 dat3,u8 dat4)5 Z1 Y9 ]+ a$ o- N
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SRCLK=1;; w( X r+ O$ S3 t+ j; n
RCLK=1;
d; A( h% D7 P' i" e 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;; `* g! M9 T8 C9 W/ Q; z, Q) U6 G
dat1<<=1;3 k i1 K! Q# m$ J/ y% r9 s# e @: Q
SRCLK=0;
4 ^* I. G8 D. n: [$ D. t4 O% g! C$ J4 I _nop_();) l$ e2 ]5 q9 v
_nop_();, d8 x% q# J. D( ?# x0 R
SRCLK=1;4 S9 U$ B$ a% a- `' B
}
+ ^7 @$ ?. R* M8 z0 T, u, y * j" i4 o; N+ P6 S2 }. \
for(a=0;a<8;a++)
+ G7 n2 l- \5 n9 C1 Z4 n {
% ]1 v4 [% x3 V- ^: t4 M SER =dat2>>7;
# _5 }# V1 n% p! x6 N dat2<<=1;
, z# `5 _* h/ s2 M" F SRCLK=0;5 \7 U0 N" o/ o
_nop_();
9 ]% I1 R& I) P# \! c2 n/ Q _nop_();, I% {+ \$ ~7 m' _% u$ e4 I$ K
SRCLK=1;
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2 N0 T, t. q1 g1 I" f for(a=0;a<8;a++)
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SER =dat3>>7; # k/ I/ O* ^# U8 U+ _0 U
dat3<<=1;" L) ] q3 H6 j: o% [- `. ~4 n. q8 F
SRCLK=0;
6 M5 G' p8 J# c0 L, L. \+ M3 T _nop_();
3 y# r" k$ z2 R) k5 q; q: n _nop_();- J6 ?1 n8 I5 w( e6 l9 F
SRCLK=1;! M8 t" X8 S! X7 e9 J
}
6 w B" d( a( g }; E for(a=0;a<8;a++)
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SER =dat4>>7;1 M1 N+ B$ ]6 P/ T
dat4<<=1;
h2 M# a9 h o SRCLK=0;
- g( F" _4 `$ D" m' M _nop_();
& ~2 k& m2 L" A! }2 B _nop_();
1 ~) H' b" h# [+ \5 Q4 k SRCLK=1;, H: o# l9 P9 J4 T4 Y2 M
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RCLK=0;" a5 K, j& Z7 \1 K- p
_nop_();
* V( K4 o9 r( y- N3 p _nop_();
; {- Z1 |7 X2 E) |) m RCLK=1;
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void main()
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u8 i ;& m+ [- ?& U. {. ~
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while(1)! ^6 [& Y4 S4 D
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for(i=0;i<16;i++)- y5 x7 E# b! r! e; I% F
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k/ `8 I1 K5 }% L Hc595sendByte(~ledwei1[i+16],~ledwei1,ledduan1[16+i],ledduan1);
0 w/ B; l# `& R7 R delay(10);) ?* M, { n" c3 ?- L
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+ z) { f" w5 u( V/ i1 A, v- W[img][/img] |
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