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#include "reg51.h"
% O. |% E& S0 K- L, _#include"intrins.h"* l. `: Z# X& b: p9 l% [3 p
typedef unsigned char u8;
! i! K6 V! Q, _) Rtypedef unsigned char u16;
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sbit SRCLK=P3^6;
: ^' N& c' i! U7 l6 }sbit RCLK=P3^5;3 D% A. C, S, M+ g5 n5 B3 P
sbit SER=P3^4;. e/ B: _' d: T6 o' r6 G
u8 code ledwei1[]=
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& z; v" [1 v9 Y7 {3 c 0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,8 B. o5 Z6 o' t; a6 V* x1 v9 Z
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x808 ~9 K( |% y+ X5 b, m" J- n" H; ]% D
};
6 q- `: _: P) y, p: }. Y- S9 {5 { u8 code ledduan1[]=) ^. ?' _) A* \& J& v/ s0 g
{! E8 ]/ S: f) c, C
/*-- 文字: 普 --*/7 W/ Z/ d2 w, D. K9 {6 i
/*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/1 G7 r, Q! Y9 z6 F% \* l. @
0x40,0x44,0x54,0x64,0x45,0x7E,0x44,0x44,0x44,0x7E,0x45,0x64,0x54,0x44,0x40,0x00,
: [$ E& s; ~ x: h5 V0x00,0x00,0x00,0xFF,0x49,0x49,0x49,0x49,0x49,0x49,0x49,0xFF,0x00,0x00,0x00,0x00# \5 z+ B8 W6 z8 w
};( v* l# S$ w0 y. l+ W* _
+ Y2 B' J) u1 M8 I1 x7 q
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void delay(u16 i )
) f- o* N5 s8 R ^ {: C: o+ H* q. t8 r
while(i--);
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}
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void Hc595sendByte(u8 dat1,u8 dat2,u8 dat3,u8 dat4)) A* F" f) m2 ?" m% T% Q3 p
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u8 a ;
7 Y) y, T1 ?. P {' }3 a/ X SRCLK=1; R) ^" q/ d) G0 s* s
RCLK=1;0 r9 L+ e4 ?5 o6 R! L2 x) t L) k' [
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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7 T5 \' P5 m* T! j& P. c2 ? SER =dat1>>7;% y$ q( Z* G* C8 G
dat1<<=1;, }, `# C4 _6 ^0 J
SRCLK=0;
% N7 u+ m1 a3 ^; V- c5 w V7 h$ ~ _nop_();# Q( Z, c' S; B* \
_nop_();
3 x0 {+ }) t( m! P% b! { SRCLK=1;# T8 j3 s% P( F( Q1 G
}
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/ w: i# d2 j7 W8 ^+ |, n4 {( r5 K" x for(a=0;a<8;a++)
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( Y. F- @2 i5 k: D: e. N# Z SER =dat2>>7;+ \: j( r4 j% w8 ^
dat2<<=1;" i: Z9 [; w- {8 A
SRCLK=0;
6 c% L: P$ n' r! B$ g7 S% W _nop_();/ j2 i* y1 F+ N6 v4 [1 r
_nop_();6 t2 m' Q7 P0 H! h
SRCLK=1;
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for(a=0;a<8;a++) 8 k8 X* K; _7 Z
{3 Z4 v: u' \- k
SER =dat3>>7; W( H9 T: `5 n1 e& ]/ G
dat3<<=1;
6 w; P8 d1 x) ^, J SRCLK=0;% T8 L3 \6 V- |* V0 c
_nop_();
( p! ^7 u. ^& P5 z7 i _nop_();* z: D4 T- q2 o V1 T
SRCLK=1;: @. q, C1 E7 j
} ]0 u3 N* N A& U) o
for(a=0;a<8;a++)
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SER =dat4>>7;- ^4 ? i* _5 }- s9 a: S5 E6 |, Q
dat4<<=1;
N6 q" X. A# C$ |% U SRCLK=0;
5 }3 S- k z& Z% x; Y9 i _nop_();/ ^1 S$ q- f3 Q# _
_nop_();
6 y# K0 m+ s3 R1 A* K SRCLK=1;" l7 ]4 h; c$ c5 k' ^
}
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RCLK=0;
9 G* k* ?' D7 q% [/ Y& c* V _nop_();5 J" x m3 t1 v$ R
_nop_();6 b6 K4 C8 M/ \/ Q8 N
RCLK=1;, o2 m9 X' ~2 K. c$ k4 p) X
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% s# i8 R: v$ g2 Z% D+ i7 d void main(): T; B; C( W8 k* v$ O
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u8 i ;4 [1 W3 s# g5 @
1 {: k) o' I4 p; R while(1)
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for(i=0;i<16;i++)' {4 T \ S" ?& ?1 A- p' [# a. b
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Hc595sendByte(~ledwei1[i+16],~ledwei1,ledduan1[16+i],ledduan1);1 Y2 ~" C/ M8 Y) F( _% Y
delay(10);
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}
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}
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