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#include "reg51.h"
, c9 a& f7 S5 L& M' v t8 K#include"intrins.h"& B7 J* G) B7 f7 u* k. A# D4 s& \
typedef unsigned char u8;5 X! y2 ?2 e' X7 i: q6 C' _. R# r
typedef unsigned char u16;+ i% L; D$ M( C- d% p% U1 c7 h- G
% i% i' U4 b# Y: u7 ~) b6 H' I$ r7 Bsbit SRCLK=P3^6;
; ^1 |. M, [/ D/ k7 W# B; u' `6 Wsbit RCLK=P3^5;& w7 ?7 s9 S3 b J
sbit SER=P3^4;5 }/ e/ X3 D0 J; V! B
u8 code ledwei1[]=
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0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
% r& i% O& a5 [0 i/ \% ] 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80( [! z B- G# Z. M. X
};
3 ]$ T& N/ l2 R3 h: D0 p7 @ u8 code ledduan1[]=
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/*-- 文字: 普 --*/
6 ]5 x3 S- h& c/*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/6 |; ^7 J m# h' I I! `
0x40,0x44,0x54,0x64,0x45,0x7E,0x44,0x44,0x44,0x7E,0x45,0x64,0x54,0x44,0x40,0x00,
6 z2 _: O# X$ n- q+ U9 I* f0 N3 c0x00,0x00,0x00,0xFF,0x49,0x49,0x49,0x49,0x49,0x49,0x49,0xFF,0x00,0x00,0x00,0x001 u- b3 j. A+ a6 m% W
};% f4 G4 i6 `) M5 p4 p w
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void delay(u16 i )
; X2 i. n' O( A- e3 g# m# W {$ `2 ~+ M8 N1 e* O+ s
while(i--);
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+ {1 [2 Y* I! W& A! H7 w) `
6 `0 X# A- F3 w) M O |7 _3 ?( |( N$ K void Hc595sendByte(u8 dat1,u8 dat2,u8 dat3,u8 dat4)( i8 D! ^( m" D2 r# ? s* D2 X
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u8 a ;) ~3 o0 l4 z, N8 w& k
SRCLK=1;
9 w2 s4 M! H+ C RCLK=1;$ Q+ d4 x- R9 c( }. G
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: t& K* J1 o) u- d/ z3 M# P
{
: N8 f1 e& \! i5 L SER =dat1>>7;
* {. G2 K7 n+ \% b3 r6 r dat1<<=1;" l5 x* c' B E8 A
SRCLK=0;
, p) n9 t9 k5 L _nop_();
7 }. y' z5 I/ g; k5 h _nop_();
+ ?+ N% b* _ \( _ SRCLK=1;3 u3 U5 N$ M5 A
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# p, v! K) U3 ~/ P) @. \
for(a=0;a<8;a++)
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SER =dat2>>7;0 C2 R& j7 _+ C
dat2<<=1;
5 ^( v5 p2 R& c2 e- o+ a! Y+ i% C SRCLK=0;
6 @2 k2 l; o5 a L, a _nop_();
& A' G" O0 G/ P% U _nop_();+ P, W& _' F2 v3 V; v& T1 B# ^
SRCLK=1;
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for(a=0;a<8;a++) ! H8 X7 w* P" R1 P- V
{
) P' M! t x8 O& f D1 z' W/ _ SER =dat3>>7; ; _# U: L) m! N. @- T$ m# y' A
dat3<<=1;
@# A$ p9 Y+ V9 d6 t% ^ SRCLK=0;( P( y- d: e" O H- d. j
_nop_();
% v3 E1 |9 p4 w- q: S' ? _nop_();! E( N% ^, x$ g( R1 O
SRCLK=1;9 }; Z! o( a4 K( W
}
" }/ Y" w: o2 q m1 b% P8 k for(a=0;a<8;a++) 0 D2 Q1 r2 H4 }+ ~5 r- M
{8 ?: F+ |$ a7 s& }
SER =dat4>>7;
+ o" Y9 }* H& g+ a dat4<<=1;* B: p' i! H+ z& w2 v. H
SRCLK=0;1 C) f' t+ z# x0 C: L
_nop_();6 l" F3 E" A h! M3 S+ W/ m. Y
_nop_();
D5 P4 h4 K$ @5 Y SRCLK=1;
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, B3 D, `, ? Y6 ?, x# R RCLK=0;, B* ?% w+ ^7 x+ E; h; b
_nop_();# m- ]0 @) I4 I( ]
_nop_();: w, R1 h+ J, H, ~* q! [: [' a( b
RCLK=1;
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void main(). H" Z) `* f3 J% I. G7 A) |
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u8 i ;" Y6 n( _: Q6 `. z- b% g
! ?, }1 J2 h2 Z5 V' m while(1)
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for(i=0;i<16;i++), [4 ?; \2 S! p* u* Z& {% N
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Hc595sendByte(~ledwei1[i+16],~ledwei1,ledduan1[16+i],ledduan1);* s# D2 V# k( }- ?, }
delay(10);
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}; a9 g2 B2 X/ T3 g D, @
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}
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发表于 2018-4-15 23:28
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