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#include "reg51.h"
' a( s/ Z" A. H* ]+ m# ~6 S! v#include"intrins.h"
* M# \, ^+ ?; L! w* ctypedef unsigned char u8;
. Y8 |: E7 y ~typedef unsigned char u16;
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sbit SRCLK=P3^6;* h+ v' ]7 F! J+ i0 @1 T1 F
sbit RCLK=P3^5;8 ~' O# [# r, G6 S1 \
sbit SER=P3^4;& h# J& Y' J" J- N! F9 j: g
u8 code ledwei1[]=! f5 ~) O0 K0 ]% K. P
{
8 q( r' x4 r7 y% {3 i3 u s; O, n5 }9 _ 0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
: ^) p" P& i- j) `/ O$ O 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80
: H! ]2 Z: |. {7 t, T" z+ c };
0 w# W4 b0 X' u u8 code ledduan1[]=6 R$ q, r& _4 k7 t1 M7 z. M6 k
{4 _$ a |6 A2 O6 ^7 F: \4 g
/*-- 文字: 普 --*/& |4 E5 j: i0 z* u; a& X( X
/*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/
7 e/ I; u& w% J1 [6 R0x40,0x44,0x54,0x64,0x45,0x7E,0x44,0x44,0x44,0x7E,0x45,0x64,0x54,0x44,0x40,0x00,
; w& ^& b1 f5 v7 Z) E7 [$ z0x00,0x00,0x00,0xFF,0x49,0x49,0x49,0x49,0x49,0x49,0x49,0xFF,0x00,0x00,0x00,0x00
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& A3 R6 h; U" |; e9 ] void delay(u16 i )" w/ ]1 i2 N- `1 f' u& Y# t# D& g
{3 K) ]- \" H+ q; B9 ~
while(i--);5 I) ^2 G' [* G& c
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} A/ v2 ]& V/ Y0 k* { d
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8 G+ c$ d# l. D, M void Hc595sendByte(u8 dat1,u8 dat2,u8 dat3,u8 dat4)
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SRCLK=1;
. b! q5 F7 `+ @ RCLK=1;
& T( V+ H0 S( _+ w 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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2 o3 Z5 c; w# C2 o0 @ SER =dat1>>7;. U; m% C, `+ `. p4 ]0 \. j1 w
dat1<<=1;! ` j! o* e( d; F q8 _5 B2 a
SRCLK=0;5 @% U0 p6 O* P1 L! E
_nop_();+ q6 [" ]2 P. k. G
_nop_();
4 R" a) m; s: n& S( c8 m* Z SRCLK=1;# }* r& A8 G' ~3 X2 V* b
}
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for(a=0;a<8;a++)
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/ ?3 h+ h: |' N) q SER =dat2>>7;
& i4 Q9 v8 o) {& Y% Q dat2<<=1;
5 H) B; O: V) `: b& O' D SRCLK=0;
$ w& N6 Q, U/ ~ _nop_();
. S# J- s8 c0 Q/ R6 Q7 t& v _nop_();
( B* \1 @- w8 d7 |( U( u5 o SRCLK=1;* I% j3 s' y/ \$ k* ^+ p
}
- P' Q2 B) R7 i* b9 q O7 i for(a=0;a<8;a++)
# T% `. _8 i' \8 W {
* G: M- e. v: o6 p- x; M SER =dat3>>7; $ T7 @, I. o7 m4 C
dat3<<=1;
/ r0 B% V7 R6 a SRCLK=0;. J' F9 \! v) I, y* ?
_nop_();# o# p) h! @" k% S. b
_nop_();
& U4 N9 ?4 b* i: C& ` SRCLK=1;
% j0 u8 ~" }6 Q. H2 w: J# L( T9 y% C }# O6 g" j# }9 `; r9 D1 J' D. c$ g! K
for(a=0;a<8;a++)
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SER =dat4>>7;
+ U2 H9 I: j" k. R/ O9 r dat4<<=1;
/ h4 t& O6 H0 Q8 t0 i SRCLK=0;3 l0 M0 c& b% \6 T
_nop_();3 H8 m& f* ~1 l1 T
_nop_();- ?" }# M* _" `( A w7 k
SRCLK=1;
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$ C4 L/ D9 F* g' ~9 n& I& l6 C RCLK=0;
: N( I, X# {" c4 z; Z4 O: l5 q _nop_();2 x) Z" C, |; c
_nop_();
5 `- K4 M! ]9 F) |# s RCLK=1;
\% Z8 A) I" m' H; ? }
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1 y, `1 f/ X: A4 T- x3 G; Q3 d) T void main()( F. H! Q$ X; r" x
{
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4 a6 g8 W8 u4 o5 z& l( g while(1)8 N% Q m$ G6 A$ q' u6 D5 T
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for(i=0;i<16;i++)
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Hc595sendByte(~ledwei1[i+16],~ledwei1,ledduan1[16+i],ledduan1);
1 }5 h6 Y# R" I4 p$ ?2 \6 T% | delay(10);
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