点阵资料加程序% ]) P1 {. ^1 l% D+ T) ?
MAX7219点阵模块+控制模块+单片机模块+显示模块杜邦线5根
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1 j$ S F$ G& T! \* IMAX7219原理图:
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# P! O4 Q6 e" y5 h( I+ D( t单片机源程序:
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#include <reg52.h>
% V, d: y8 c* n/ V# w+ s/ o#include <intrins.h>
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#define uchar unsigned char
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#define uint unsigned int
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//定义Max7219端口
9 e$ L2 e6 N/ m1 S7 ssbit Max7219_pinCLK = P2^2;
0 c# J9 N, [) P, V5 ~# usbit Max7219_pinCS = P2^1;
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sbit Max7219_pinDIN = P2^0;
" q9 S* a$ ?& Auchar code disp1[38][8]={
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{0x3C,0x42,0x42,0x42,0x42,0x42,0x42,0x3C},//0
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{0x10,0x18,0x14,0x10,0x10,0x10,0x10,0x10},//1
! J. P- \2 s1 l# T! m( u+ `{0x7E,0x2,0x2,0x7E,0x40,0x40,0x40,0x7E},//2
, V5 N+ N, d( P9 d{0x3E,0x2,0x2,0x3E,0x2,0x2,0x3E,0x0},//3
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{0x8,0x18,0x28,0x48,0xFE,0x8,0x8,0x8},//4
/ i% G9 z" D- S4 c{0x3C,0x20,0x20,0x3C,0x4,0x4,0x3C,0x0},//5
+ N( @' v5 b. D{0x3C,0x20,0x20,0x3C,0x24,0x24,0x3C,0x0},//6
* _& X% V2 V* o a4 b' V{0x3E,0x22,0x4,0x8,0x8,0x8,0x8,0x8},//7
0 t# q6 q9 S9 ]$ d1 h{0x0,0x3E,0x22,0x22,0x3E,0x22,0x22,0x3E},//8
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{0x3E,0x22,0x22,0x3E,0x2,0x2,0x2,0x3E},//9
. M h' f: a0 ~; j! M{0x8,0x14,0x22,0x3E,0x22,0x22,0x22,0x22},//A
# w& `4 s. F; T1 w0 g5 Q{0x3C,0x22,0x22,0x3E,0x22,0x22,0x3C,0x0},//B
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{0x3C,0x40,0x40,0x40,0x40,0x40,0x3C,0x0},//C
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{0x7C,0x42,0x42,0x42,0x42,0x42,0x7C,0x0},//D
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{0x7C,0x40,0x40,0x7C,0x40,0x40,0x40,0x7C},//E
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{0x7C,0x40,0x40,0x7C,0x40,0x40,0x40,0x40},//F
: f. J8 D, |. k* i% q{0x3C,0x40,0x40,0x40,0x40,0x44,0x44,0x3C},//G
7 ]- u; ~ v( n5 ]+ M8 F{0x44,0x44,0x44,0x7C,0x44,0x44,0x44,0x44},//H
( s3 D& E a' n5 e. ^/ S1 x{0x7C,0x10,0x10,0x10,0x10,0x10,0x10,0x7C},//I
P- z: c F$ ]0 c' Q{0x3C,0x8,0x8,0x8,0x8,0x8,0x48,0x30},//J
4 Q4 w* o8 h8 m( P6 E0 _5 ^7 r{0x0,0x24,0x28,0x30,0x20,0x30,0x28,0x24},//K
$ f: j( h" f: P7 J; E# O6 ~0 Y; z{0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x7C},//L
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{0x81,0xC3,0xA5,0x99,0x81,0x81,0x81,0x81},//M
# m$ ^2 w- _" B1 s( G) H{0x0,0x42,0x62,0x52,0x4A,0x46,0x42,0x0},//N
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{0x3C,0x42,0x42,0x42,0x42,0x42,0x42,0x3C},//O
$ T8 g# w1 ]0 C/ m9 e! b{0x3C,0x22,0x22,0x22,0x3C,0x20,0x20,0x20},//P
! j, W3 t3 b: l. J6 p{0x1C,0x22,0x22,0x22,0x22,0x26,0x22,0x1D},//Q
* I H" x3 v4 z{0x3C,0x22,0x22,0x22,0x3C,0x24,0x22,0x21},//R
- Q4 d+ C, r* v6 b% v! c3 M3 T. f( ?{0x0,0x1E,0x20,0x20,0x3E,0x2,0x2,0x3C},//S
8 ]8 h Q! v" N' q{0x0,0x3E,0x8,0x8,0x8,0x8,0x8,0x8},//T
$ w8 d% @! A9 y! V# r% O{0x42,0x42,0x42,0x42,0x42,0x42,0x22,0x1C},//U
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{0x42,0x42,0x42,0x42,0x42,0x42,0x24,0x18},//V
# ~$ `7 C- f Y1 J{0x0,0x49,0x49,0x49,0x49,0x2A,0x1C,0x0},//W
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{0x0,0x41,0x22,0x14,0x8,0x14,0x22,0x41},//X
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{0x41,0x22,0x14,0x8,0x8,0x8,0x8,0x8},//Y
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{0x0,0x7F,0x2,0x4,0x8,0x10,0x20,0x7F},//Z
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{0x8,0x7F,0x49,0x49,0x7F,0x8,0x8,0x8},//中
6 `( h7 y# ?0 w1 K, C4 w{0xFE,0xBA,0x92,0xBA,0x92,0x9A,0xBA,0xFE},//国
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};
; g; |, B) Z( h+ d) d% kvoid Delay_xms(uint x)
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J5 @. Q+ k& @4 H. j* W) L: v uint i,j;
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for(i=0;i<x;i++)
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for(j=0;j<112;j++);
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//--------------------------------------------
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//功能:向MAX7219(U3)写入字节
$ a/ y: V- T9 u/ f2 \//入口参数:DATA
$ r0 [0 F5 k, m$ k; m- D//出口参数:无
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//说明:
5 r/ b4 I5 R2 Y$ j; j5 xvoid Write_Max7219_byte(uchar DATA)
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+ b# L6 g4 W0 c1 H uchar i;
0 [5 u- G0 \/ S* \1 j, E3 R Max7219_pinCS=0;
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{
$ ~$ I3 v# d6 W. ]- G$ x Max7219_pinCLK=0;
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Max7219_pinDIN=DATA&0x80;
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Max7219_pinCLK=1;
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}
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}
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//-------------------------------------------
+ u; l- Q* h, I8 |; h//功能:向MAX7219写入数据
& y6 V: p3 E$ i9 b2 T2 w3 |% g8 T//入口参数:address、dat
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//出口参数:无
% Z0 i1 |0 o: P7 \$ A//说明:
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void Write_Max7219(uchar address,uchar dat)
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{
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Max7219_pinCS=0;
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Write_Max7219_byte(address); //写入地址,即数码管编号
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Write_Max7219_byte(dat); //写入数据,即数码管显示数字
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$ _$ F4 b/ L: e4 Avoid Init_MAX7219(void)
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{
7 `! [; a" ^) O Write_Max7219(0x09, 0x00); //译码方式:BCD码
6 ^+ c# S0 O8 E& N4 g8 H Write_Max7219(0x0a, 0x03); //亮度
: n: n9 G6 w3 ]% W Write_Max7219(0x0b, 0x07); //扫描界限;8个数码管显示
# j: t& C, X' l. p/ b7 b Write_Max7219(0x0c, 0x01); //掉电模式:0,普通模式:1
# ? \8 Z5 e( ^+ a$ _" ]$ Q b# | Write_Max7219(0x0f, 0x00); //显示测试:1;测试结束,正常显示:0
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