|
EDA365欢迎您登录!
您需要 登录 才可以下载或查看,没有帐号?注册
x
#include "reg51.h"
8 x3 b& L( ~' w: q3 u6 j& M, r7 t( J#include"intrins.h"
* v9 [+ I! C5 z/ N% Gtypedef unsigned char u8;
4 j k0 D2 @. ]( jtypedef unsigned char u16;
9 S4 F5 G8 }( K0 {7 V! ^- R# t, ` g7 o
sbit SRCLK=P3^6;
3 _. X& B( B- {& v* Isbit RCLK=P3^5;
5 O% R0 U6 R9 k& j6 @1 F1 ]sbit SER=P3^4;
4 B! V$ W4 M* d5 a8 v u8 code ledwei1[]=
# J- h9 W! l: d2 t- C7 D1 E8 r {
& P" o6 q- M! z3 |" I8 ?2 V( l0 ` 0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
: Z% {) z1 R- K4 s1 H 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x801 ?8 _+ ]$ k4 A/ D
};3 ~+ D% j0 C- d
u8 code ledduan1[]=! Y$ Z) z. A+ S1 v$ K4 j4 d. v
{
4 f( J- u+ H0 Z+ t/ T/ z9 }& V /*-- 文字: 普 --*/. ^. b0 T7 f4 v* j: H7 i) G& v
/*-- 宋体12; 此字体下对应的点阵为:宽x高=16x16 --*/
) K9 z' Z1 i7 y8 ]: [7 c0x40,0x44,0x54,0x64,0x45,0x7E,0x44,0x44,0x44,0x7E,0x45,0x64,0x54,0x44,0x40,0x00,; K0 ]/ D8 k1 W. y1 g, M1 N* o+ p9 o4 K
0x00,0x00,0x00,0xFF,0x49,0x49,0x49,0x49,0x49,0x49,0x49,0xFF,0x00,0x00,0x00,0x00
7 W" V& {: I8 R; a7 d$ j};# i2 Z) F" `8 B/ _2 y
2 j& r: f6 t* F6 e! O5 l4 F5 y; q0 F" I- Z+ K* L1 p% p
/ e3 b$ F! `7 ]
. Z% ^6 D; {" a2 W
void delay(u16 i )0 F7 q7 [) Z! n- s F
{& j# G5 p" f0 u
while(i--);
% i' g! B! r3 q
2 ]1 R o7 w D0 K+ Y5 E % l- H0 H9 q3 ?! c& x8 \
}9 U: M, |8 |( \2 H
( u, @, L4 @" z. ^. q
5 Q! L. O" @+ i" [7 o* I/ _9 {
void Hc595sendByte(u8 dat1,u8 dat2,u8 dat3,u8 dat4)6 @# ]* a4 Y9 N& Y* m7 u1 R3 I
1 A6 r r- n; K: {) {. r/ f, k W! ^" H X
{
* Y! a N/ p. |' N8 P u8 a ;, A; e; W" @/ v. ^& M: ?2 a
SRCLK=1;9 d/ U5 F; g( r" [, C# S- @
RCLK=1;+ S- ?" A! @' g0 b
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
8 k, m* ]9 z4 a9 }) @2 B# ^0 E {
% s d1 I. r5 Z G6 j( { SER =dat1>>7;
: [& B, S. T$ |/ M" X0 w dat1<<=1;1 X; L: i" [; [) W x; ^3 L
SRCLK=0;
' u! \" G; n% Y/ S _nop_();) b* U. h( Z9 Y- R8 _6 k `$ O
_nop_();. M) t) E+ u# o, H# W" q
SRCLK=1;
4 U/ c$ T' {' S' A( m$ L0 p" i0 Y }
$ {8 i# N9 P* @9 `7 H2 {3 ~4 D9 I# ` ; P! Z8 N% L( n: C* G g. d8 T3 c# f
for(a=0;a<8;a++) ; Z% w9 V' @ S
{# X4 P( K; k& {- F
SER =dat2>>7;7 n' J" j9 i: [4 f" `) J! `
dat2<<=1;
5 h; U" x& J# F9 s/ U SRCLK=0;6 C( t/ i. ]7 l9 ` c: d. c9 I
_nop_(); A& \: v5 p6 \# J; \8 Y
_nop_();
v8 x& A* }3 l SRCLK=1;8 C* y( S2 |' O* w
} + n/ g; d$ u$ w% }& S: a
for(a=0;a<8;a++)
, }. e8 r$ O) j$ F8 d4 o* \/ |4 Q {
1 k0 q4 ]1 \: Q3 y+ N% U+ Q0 J SER =dat3>>7; , @7 q) O/ @: P+ y5 |' H: k
dat3<<=1;
# \8 |5 l5 m% z7 S b, P+ F" |: o SRCLK=0;
7 @( d4 K& X" f# ~( c+ s4 N _nop_();* V+ o, x7 K- y5 s0 V( j. G
_nop_();
1 |% y; g* d( r4 d5 b SRCLK=1;
/ Q6 H8 U# S1 W: y$ T2 r3 q- @" s }
% }, n5 j3 [% ]$ |. r for(a=0;a<8;a++)
9 c! ^2 V* h- t; R9 B* N {7 w! X! b8 b' F2 ^
SER =dat4>>7;" L0 t7 s# T; F% \
dat4<<=1;5 G* E5 | A/ k) e0 s; a
SRCLK=0;
; n! I+ A' ?$ b# u$ U _nop_();
- m6 J. B, a5 L! W* U8 `7 c* E _nop_();
. S4 Y4 A$ e g SRCLK=1;$ B9 ~6 y! n, Q- U7 H5 f
}
! j9 r7 F' l3 z6 O
2 t' r6 ]4 r& @- Q RCLK=0;
; I' B2 M9 A* u5 [+ u6 {2 R# Y/ I; u _nop_();( h. `9 p1 X/ G: h9 r5 J3 \0 {
_nop_();
3 M. z4 o+ l8 p6 l' T" n# U RCLK=1;
9 ^; m8 K& Z, R4 r }
% `- P; F, x& b5 J L# F9 r X# g1 [' g& c4 M/ {5 K0 C
& i- |5 x5 p9 j6 N. ]. \ void main()2 Y2 O; J- q. O; k0 s& R
{ F7 ]9 X. F# w2 U. H
u8 i ;
F5 m2 W# F T G" ~/ H
. `3 n+ n) A7 x+ Z' q while(1)
; [6 Z& J7 f$ L' o {/ G: O: C8 O7 P7 \$ ~ N: }
for(i=0;i<16;i++)
( n% k; o3 Q, u; t3 J5 v
9 u! J1 I1 C" a {, a Y$ l" f s! {: v
Hc595sendByte(~ledwei1[i+16],~ledwei1,ledduan1[16+i],ledduan1);/ ?3 b6 w: L( t+ g$ N+ S+ g
delay(10);+ u/ ?5 I7 F' { J4 _, s8 L4 d
1 g( [4 @8 n. t6 X2 C! I% y3 K }
, p+ I* Z) X! x3 U/ u s: i 5 M' U1 G0 N# K( ~
}
6 J+ o( h: {( K6 [, R" b; O - g& Z6 q$ i- { a) p
: q$ M( ]" y5 q5 E: G
# y3 x) k% d7 Y5 o2 l6 ~ U; J) V" n }
" w9 g% W) I& t4 m[img][/img] |
|