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#include "reg51.h"
/ c, F, ?$ }. \8 ]) O0 m! s#include"intrins.h"
/ Q& [# _! d3 _8 B# G( j: v) Xtypedef unsigned char u8;9 L- A; T7 @- m; Y+ r) e
typedef unsigned char u16;2 w/ Q6 i' q$ ? Z) E4 i! ~ v
( g& e/ b u; n: Usbit SRCLK=P3^6;
. V' v# J5 p6 e: k2 psbit RCLK=P3^5;
& W3 W) {+ k% ]+ @sbit SER=P3^4;0 ]! N7 m3 {3 H1 K+ _+ P/ w* f
u8 code ledwei1[]=
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0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,8 z' m" S% ], {" L% k1 b y
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80
: i$ R: E# w/ u9 B1 D& e };
$ y$ _) @' r/ l1 @# v, X u8 code ledduan1[]=' ?4 Q; u: C& Z5 u; T! A
{
' q5 C+ Z; V; |9 ] /*-- 文字: 普 --*/2 \# J' y; `: `! J
/*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/
$ l; c4 \# l2 {# n1 y0 r3 w! d7 Y- l0x40,0x44,0x54,0x64,0x45,0x7E,0x44,0x44,0x44,0x7E,0x45,0x64,0x54,0x44,0x40,0x00,
0 C' A! A1 A9 M0x00,0x00,0x00,0xFF,0x49,0x49,0x49,0x49,0x49,0x49,0x49,0xFF,0x00,0x00,0x00,0x00- F0 T2 V9 m# q- V4 ^
};9 \5 a! P7 n8 p. K! l2 J/ y# v
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void delay(u16 i )
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while(i--);
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void Hc595sendByte(u8 dat1,u8 dat2,u8 dat3,u8 dat4)
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SRCLK=1;
. V4 |1 O$ G! x# y RCLK=1;
! d. v. n9 w& D/ A7 h( N# K0 k# d7 X 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;
5 z1 e3 J) b$ ~* [# _ dat1<<=1;
* n2 K9 Y X) X SRCLK=0;
$ v, E& z& g; h ^8 K' j7 t _nop_();
b& o) } q* s6 g6 }$ T _nop_();
" k1 @9 m' i( \* L* N& |) F6 `+ W SRCLK=1;2 ]9 v, V5 I4 O- M8 d
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for(a=0;a<8;a++) $ L6 C5 I/ u6 J. S7 j1 x& L
{: N2 K1 F6 q& _4 \4 s! N/ V
SER =dat2>>7;
! C# L1 N; E6 Z6 b C; Q dat2<<=1;
3 ]9 m1 g% h$ x5 B5 A SRCLK=0;2 Z# f: C* R, _% _& `
_nop_();7 Z+ F6 C# H4 O0 \. Y
_nop_();8 ~! {3 w7 ^( r6 D
SRCLK=1;* y( Z& s% b3 V" c* A: G
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for(a=0;a<8;a++)
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& s3 I5 z. R/ ` SER =dat3>>7;
0 ?: D- J2 J0 z" N% F3 E* [ dat3<<=1;7 ~/ F$ ^3 P4 l* j) n! J1 D" C' v0 \
SRCLK=0;
' b/ B1 m1 [1 _6 R' H0 w: Y _nop_();
0 \0 m9 e: N( h- t' x: c _nop_();- V! h% [+ Y+ x4 Y
SRCLK=1;
! Q" `1 V0 b9 `1 W: p9 J }
5 Q( p, \, }3 W9 U5 z. V for(a=0;a<8;a++)
# u* e0 c& f0 Z; W' n {# @- {) ?& ~( d5 k, [# T
SER =dat4>>7;0 Y" w4 P6 V6 s
dat4<<=1;; @7 t I; M' T6 u7 d, N& I
SRCLK=0;. @3 }5 Z$ m9 z7 h; y
_nop_();6 A. [+ a0 G9 l; X
_nop_();
) w, g+ x( z) ]# A SRCLK=1;
3 a+ r8 W0 a% }. P }3 p* `) q+ _3 i3 a3 s; @) i4 J
0 L0 M% y' E" [ RCLK=0;
! s0 M1 {: j0 E. |' V H _nop_();
% Q! t) S- w1 @$ p. w9 m M _nop_();
2 `; m3 ~% W) T+ \ RCLK=1;$ R3 K0 N" E4 ?& D
}
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void main()5 s1 `' q- O) {7 H7 x% Y; R
{
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while(1)
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+ g% f9 |+ { U9 t% o" O& J6 B9 J for(i=0;i<16;i++)
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Hc595sendByte(~ledwei1[i+16],~ledwei1,ledduan1[16+i],ledduan1);
' A; }: b+ B, U3 `1 [3 o delay(10);+ I1 Z# X% j# ]8 b. k0 N
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}
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发表于 2018-4-15 23:28
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