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#include "reg51.h"
; m! {' g2 @# f1 |/ ^#include"intrins.h"
7 }& n8 A! j Ttypedef unsigned char u8;
" @) F4 H: G4 L0 ?, D2 Atypedef unsigned char u16; Q* V' z w6 g% m7 }' S: p! y# O' e+ l
1 s3 j7 @# X/ R0 L% X
sbit SRCLK=P3^6;0 \# l2 N8 U) M* J& c3 j2 G
sbit RCLK=P3^5;
3 y _) ?1 n4 ?# m6 q! x z2 Ksbit SER=P3^4;
) F2 a* ~/ R3 |5 v' T u8 code ledwei1[]=1 t! m, z; V3 T# Q, i$ U
{
- w0 [ U9 v1 x/ ~5 ~8 i 0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
9 m: t( ^& M( r! d9 U 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80- @1 Y; [. i3 ~: o
};
$ z& T) q) K9 x u8 code ledduan1[]=
: A% z+ B& b8 \# x+ {* s {
l* b) a+ d+ Q/ _4 T /*-- 文字: 普 --*/5 A% {8 T0 W8 Q" d4 Z) u
/*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/ P9 F& n- N6 C2 A
0x40,0x44,0x54,0x64,0x45,0x7E,0x44,0x44,0x44,0x7E,0x45,0x64,0x54,0x44,0x40,0x00,
( k6 x; q; r$ }+ F0 `0x00,0x00,0x00,0xFF,0x49,0x49,0x49,0x49,0x49,0x49,0x49,0xFF,0x00,0x00,0x00,0x00, I3 u; S/ g6 C8 Z' O) Q
};
2 u8 S6 o- R) |; @
7 B/ s( x" |' i; r) G
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: e/ O: N7 o7 s7 }3 v) ?; c void delay(u16 i )2 V3 G* B# S+ M% F) f7 r
{
' ^$ N2 y$ E( Z" d: @9 l while(i--);
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! _7 E9 q) q2 @
, \3 x, X/ \% v }4 J, k9 ^, A, U! W/ [8 B% a
6 \0 ]- \$ n+ B3 O8 ]2 v. \3 {) Z. b1 n. @. |6 L
void Hc595sendByte(u8 dat1,u8 dat2,u8 dat3,u8 dat4)
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u8 a ;" g& J* ^ ~4 {3 W9 Y
SRCLK=1;' A6 V* Q) D* s/ K! S5 Z ?4 K) e! U
RCLK=1;
- J" A3 k" h/ Q% {; t+ h$ i 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;
) s+ x- u0 t% l4 m dat1<<=1;) A! M' _" h; M. |+ \, n, Q% j
SRCLK=0;
7 N% x! a6 n& }6 v) Z _nop_();/ `5 W0 g& ^1 ?, T: U# u; f
_nop_();
4 m# k3 e" y, V4 D SRCLK=1;
$ \2 [* R& C! j! w* G }
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1 T; z2 Q7 I D2 N% h2 e2 U8 ? for(a=0;a<8;a++) ! ]" l3 f) c) A) O+ x
{
" S0 Y% w" ^' j' x+ T' t7 R; [ SER =dat2>>7;
! k9 W& W3 j6 Z3 ?! V4 v9 j A dat2<<=1;
6 x& S1 g) W" u- o9 l/ [* [8 g6 e SRCLK=0;
6 A; K2 a& s( h/ M( u _nop_();
7 a1 Z2 x0 `& O8 {% b4 S _nop_();
+ q4 g: K; |+ I SRCLK=1;2 y5 R4 u) e; N9 N5 R
}
. L# H) Z" w" k& O for(a=0;a<8;a++) # y9 v8 X4 ^! S% S4 d7 f
{- D* _( b7 X+ a$ M" G3 z( D
SER =dat3>>7;
( s" y8 ]1 c8 L' N, Q/ u5 c dat3<<=1;
7 V2 Z, N/ m: Y. ]6 s8 _/ S! I9 j SRCLK=0;5 g" N+ M- Q1 B0 h O _# G0 X
_nop_();/ _6 Q, [6 e( }
_nop_();% h7 m3 O/ a7 t$ L
SRCLK=1;9 W& ^' a* Y9 ~! c3 @9 U2 ^# e
}
2 ]) Z9 E! g& i1 L for(a=0;a<8;a++)
q( d. h- e3 k' r8 d [ {
* L2 U: S, g2 J, D SER =dat4>>7;7 A+ Y6 j: |% v7 k" c& ~% M6 A
dat4<<=1;
) j W. E- z* s. J) a9 Q SRCLK=0;- {6 M9 V( e/ v. h0 L2 }
_nop_();
) r+ }. U1 b& g" Z8 ^# Q _nop_();& V5 v- y% ]4 Z$ E, X+ e* ?
SRCLK=1; L4 D: S+ A" C# y4 n y0 }2 M
}
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RCLK=0;
$ m2 m! T6 x4 `* O# U! `( u2 |8 i4 e, n _nop_();3 m. b7 _* b& p( C& P: D, Z+ `
_nop_();
; j9 F1 r! n* u) p1 T& j2 }/ x4 R RCLK=1;
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8 A Q/ k( B i* m4 c5 M |3 i void main()
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while(1)" V2 E9 T3 i, ` m
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for(i=0;i<16;i++)0 M0 a$ G! J( ^6 M
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Hc595sendByte(~ledwei1[i+16],~ledwei1,ledduan1[16+i],ledduan1);9 ]% P) O: s+ W
delay(10);
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}
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}
1 ]% c0 X2 m8 M2 Q[img][/img] |
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发表于 2018-4-15 23:28
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