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#include "reg51.h"+ e: D3 a- u5 I) p6 q; {
#include"intrins.h"
; ~! L; K2 {# S: `typedef unsigned char u8;( J5 L1 Q; o) L1 Y
typedef unsigned char u16;
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sbit SRCLK=P3^6;
. L0 d7 h+ I+ L& S9 Y! dsbit RCLK=P3^5;
4 G4 w( a' F5 J' R$ A6 b$ n; r7 Csbit SER=P3^4;0 O3 I4 S6 |* r1 D) q- S. x& G; h
u8 code ledwei1[]=+ f6 q) b5 ?4 b3 U
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0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
8 H/ V" M. N' e- p5 _ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80% I7 ?) N% C8 Z
};
+ r4 W, q* n7 G$ c ^ u8 code ledduan1[]=; }6 U/ E5 v, l! C6 ~
{
2 [, F9 L1 r+ c3 H+ _- V /*-- 文字: 普 --*/
, q* L' A1 l% c' L9 I* ^8 K1 S/*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/, P2 `) O4 ]( \4 n# Q, {
0x40,0x44,0x54,0x64,0x45,0x7E,0x44,0x44,0x44,0x7E,0x45,0x64,0x54,0x44,0x40,0x00,* v3 Y4 B! e! {, F
0x00,0x00,0x00,0xFF,0x49,0x49,0x49,0x49,0x49,0x49,0x49,0xFF,0x00,0x00,0x00,0x00
0 S# p7 z. F: S) U! U# B; n};
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void delay(u16 i ): {* |! P7 T/ s/ u9 d# L9 q
{
1 @0 `" L- E. F" [6 G) x while(i--);
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void Hc595sendByte(u8 dat1,u8 dat2,u8 dat3,u8 dat4)" X$ H6 D H& V2 @; u* n& `, ]
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{
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1 {8 K& @# f$ P SRCLK=1;& I' O! n# ?3 q
RCLK=1;
, |" i3 E: O' U8 {; Y# t% l 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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" {/ _( `: e# q! t SER =dat1>>7;! }3 N3 B2 @9 W) s$ M7 m9 @% C
dat1<<=1;8 q% q% c& H; _% p0 g2 C
SRCLK=0;3 o+ ^( G2 i+ d J$ Y) a+ y
_nop_();! O5 ~. L( S* h( g/ Y
_nop_();$ q! O/ M4 _3 [3 |7 c8 E5 d; y
SRCLK=1;
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for(a=0;a<8;a++)
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4 D' H2 @; E. \ t/ G @2 ~. O) s SER =dat2>>7;
6 a; P) i& u2 n _9 l dat2<<=1;
1 Z9 y' e3 Q, I SRCLK=0;8 W; U+ o* U$ ?" _! j; f0 u
_nop_();1 k# b/ A I2 o9 {& ?) F* U
_nop_();* q% V9 _! d) ^
SRCLK=1;
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8 A+ H' g8 o8 w. z+ v0 Z, l for(a=0;a<8;a++)
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. [9 S% `1 h& A2 Q% L SER =dat3>>7;
6 W( ]0 S. S* z H; \/ j' s dat3<<=1;6 E+ [4 T; L2 ]5 Y+ E* I
SRCLK=0;6 Q3 G& X, c, D3 E! h$ @5 R( q
_nop_();6 ]; p- s3 j. t8 F/ Q& } k5 ~
_nop_();0 q4 t7 @- I5 R' w! `; m8 k
SRCLK=1;
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" s% w7 u$ }8 s0 [ for(a=0;a<8;a++)
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SER =dat4>>7;, c- E9 b G, q
dat4<<=1;1 C0 B$ v9 q: S
SRCLK=0;7 f6 U7 ~- }. i% @) J' w
_nop_();
1 F# M' m* j7 B7 N' e9 R8 L8 y' w _nop_();( D6 P* D7 f( U' n/ M
SRCLK=1;3 p) @$ z4 ?9 [/ k
}
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% v" u$ Q6 ^3 c: [% q8 h RCLK=0;
t/ k8 I& n+ m: z" |$ r _nop_();
3 g, ~. `1 S |- b y8 h _nop_();
3 O! _; ^- x9 ^0 `" h RCLK=1;9 c; a% G) N* F& L& d0 t
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void main(): m& p7 ~# N4 o5 D8 S
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while(1)
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for(i=0;i<16;i++)
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Hc595sendByte(~ledwei1[i+16],~ledwei1,ledduan1[16+i],ledduan1);) i2 r& f; V, C7 f+ s
delay(10);
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}
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