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#include "reg51.h" G# v' V4 K: ]9 R
#include"intrins.h"
7 W" x/ b* {* \8 ]' Ytypedef unsigned char u8;. R) _5 q0 p. P& l T: I" X' L
typedef unsigned char u16;
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( G5 K9 K- U& psbit SRCLK=P3^6;
: z6 Z% Q/ u8 w6 Nsbit RCLK=P3^5;
' E% u: S2 p, Ssbit SER=P3^4;
$ W: t( L5 {$ l) v% `* e0 A) z6 C' l u8 code ledwei1[]=* \( Q! Q j& J4 W1 ]; f( I
{& ^9 i8 n% u- u9 E6 Z7 a+ S
0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
* \9 [- z8 x7 [5 b: X 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80
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u8 code ledduan1[]=9 b4 Z# }" u5 W2 J8 B
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/*-- 文字: 普 --*/) w: ~, T- U- f7 d0 p6 T
/*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/5 t& c+ Z0 @, f" o
0x40,0x44,0x54,0x64,0x45,0x7E,0x44,0x44,0x44,0x7E,0x45,0x64,0x54,0x44,0x40,0x00, ?! }$ M% q/ r# S# i2 w/ ~
0x00,0x00,0x00,0xFF,0x49,0x49,0x49,0x49,0x49,0x49,0x49,0xFF,0x00,0x00,0x00,0x00' m( H1 S' T5 |. p$ V6 x, R
};
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& K4 l0 ^ }2 X7 v1 T/ O 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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u8 a ;
7 L( G7 ]. L6 ~0 @ SRCLK=1;
* P! |& T3 u+ y% t& I: m8 U, t4 l RCLK=1;
; I5 F7 R4 ? Y, h) n1 }% T 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
& }* J: n: F7 @, q {5 ~* D8 M; W M! a
SER =dat1>>7;+ ~, T. j7 ]4 [
dat1<<=1;
9 h; W0 M, X% u# u' p/ {$ @ SRCLK=0;
1 F7 i7 f! w1 Y' ? _nop_();
( l$ @: W- X& c- J _nop_();
6 r/ l" v- h' z; n SRCLK=1;
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for(a=0;a<8;a++) 1 ^0 l# V3 R8 v }. L8 x
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SER =dat2>>7;
) q+ Q5 ]% V% o9 s) {' U! R2 u dat2<<=1;
5 ?) S# r% Q& Y5 t% I. I; _* `2 J SRCLK=0;4 N# L6 t9 |0 f2 w7 l) t
_nop_();( V' X( T' d$ e' i$ h- O `
_nop_();* g9 G% g$ |8 T- U, ^2 I
SRCLK=1;0 b6 F# J+ H- `3 K1 l" v
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for(a=0;a<8;a++)
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SER =dat3>>7;
8 J2 N4 V. W. D' B: i dat3<<=1;
4 w+ N! h5 I O2 M# t( l! W) t SRCLK=0;
* Y/ \0 K0 z+ w _nop_();
# T3 F' }# I. R _nop_();
, z ~7 U7 ?) C8 H8 ]% ?9 ~ SRCLK=1;9 e: h/ M& ?* L: }* o
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for(a=0;a<8;a++)
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SER =dat4>>7;0 [! `' B; ]% h! @
dat4<<=1;* C) L( E2 l m; q# V
SRCLK=0;, y; i2 j$ e: C8 w# ?4 u9 j: x6 a' O/ n
_nop_();; X2 e L4 Q" K+ v
_nop_();
2 F' ?4 N5 S/ I8 [: K SRCLK=1;
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7 T6 v! ~1 V) B0 _: W& a( \+ B RCLK=0;
4 i r3 v I' G _nop_();
& B! Q9 L. s& T3 |3 |$ Y- ]& @ _nop_();$ g; |2 Q7 S! a+ Y* b! {
RCLK=1;
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void main()
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u8 i ;$ A5 i8 K% i7 X0 p8 H
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while(1)% d" _" ^2 \! H
{
* h. w7 n+ R3 v9 S+ Y F- X for(i=0;i<16;i++)
! F) ~* Q3 J) }; H
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Hc595sendByte(~ledwei1[i+16],~ledwei1,ledduan1[16+i],ledduan1);! {& D. v0 B- a4 x* v% k
delay(10);4 S* X, e4 b% u* D/ \
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发表于 2018-4-15 23:28
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