点阵资料加程序
7 J9 v+ u3 v: z+ E3 x" NMAX7219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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( ~6 o' n1 Y* D9 g( I B* Q, ^MAX7219原理图：
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单片机源程序：+ f1 z" g+ U+ w( E: j
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#include <reg52.h>
J% H# q/ ]. w1 X6 h#include <intrins.h>
# \& d8 x$ k1 _#define uchar unsigned char
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#define uint unsigned int
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//定义Max7219端口
9 C) | u3 E9 N: W9 Osbit Max7219_pinCLK = P2^2;
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sbit Max7219_pinCS = P2^1;
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sbit Max7219_pinDIN = P2^0;
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uchar code disp1[38][8]={
6 L$ U" m2 e* K* C! e6 G+ l{0x3C,0x42,0x42,0x42,0x42,0x42,0x42,0x3C},//0
) B+ @) K" y. g6 x% I; P4 g" p S. T{0x10,0x18,0x14,0x10,0x10,0x10,0x10,0x10},//1
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{0x7E,0x2,0x2,0x7E,0x40,0x40,0x40,0x7E},//2
/ z1 V6 |3 Q: ]{0x3E,0x2,0x2,0x3E,0x2,0x2,0x3E,0x0},//3
, G5 [* `+ L% x {0 R{0x8,0x18,0x28,0x48,0xFE,0x8,0x8,0x8},//4
% l0 K+ Q8 ]& w+ L. Y{0x3C,0x20,0x20,0x3C,0x4,0x4,0x3C,0x0},//5
) f) J' S( @! W& B: R! N6 v% J- V" @{0x3C,0x20,0x20,0x3C,0x24,0x24,0x3C,0x0},//6
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{0x3E,0x22,0x4,0x8,0x8,0x8,0x8,0x8},//7
" I- F7 C+ Y! @9 x9 T( T{0x0,0x3E,0x22,0x22,0x3E,0x22,0x22,0x3E},//8
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{0x3E,0x22,0x22,0x3E,0x2,0x2,0x2,0x3E},//9
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{0x8,0x14,0x22,0x3E,0x22,0x22,0x22,0x22},//A
, R* B% ~- U0 {& _{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
( D8 v, z+ |0 c. j5 s" z; e+ U{0x7C,0x40,0x40,0x7C,0x40,0x40,0x40,0x40},//F
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{0x3C,0x40,0x40,0x40,0x40,0x44,0x44,0x3C},//G
* T! g- t: P, w{0x44,0x44,0x44,0x7C,0x44,0x44,0x44,0x44},//H
, K7 Z9 U% E0 @0 L) p' o9 t; ^7 Y{0x7C,0x10,0x10,0x10,0x10,0x10,0x10,0x7C},//I
! P1 u& ~4 k% ?{0x3C,0x8,0x8,0x8,0x8,0x8,0x48,0x30},//J
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{0x0,0x24,0x28,0x30,0x20,0x30,0x28,0x24},//K
3 K! T9 K8 E2 E{0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x7C},//L
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{0x81,0xC3,0xA5,0x99,0x81,0x81,0x81,0x81},//M
% {/ y7 q$ O8 q7 t6 v{0x0,0x42,0x62,0x52,0x4A,0x46,0x42,0x0},//N
{* l* \7 o# ]/ F! S{0x3C,0x42,0x42,0x42,0x42,0x42,0x42,0x3C},//O
2 @: V# \; P4 {{0x3C,0x22,0x22,0x22,0x3C,0x20,0x20,0x20},//P
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{0x1C,0x22,0x22,0x22,0x22,0x26,0x22,0x1D},//Q
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{0x3C,0x22,0x22,0x22,0x3C,0x24,0x22,0x21},//R
9 h, ?' Y$ t0 l/ {' |{0x0,0x1E,0x20,0x20,0x3E,0x2,0x2,0x3C},//S
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{0x0,0x3E,0x8,0x8,0x8,0x8,0x8,0x8},//T
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{0x42,0x42,0x42,0x42,0x42,0x42,0x22,0x1C},//U
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{0x42,0x42,0x42,0x42,0x42,0x42,0x24,0x18},//V
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{0x0,0x49,0x49,0x49,0x49,0x2A,0x1C,0x0},//W
4 Q- U/ L4 p" H* z+ W9 ^5 R1 Q: B- @{0x0,0x41,0x22,0x14,0x8,0x14,0x22,0x41},//X
7 H3 T6 l+ R4 i$ Z{0x41,0x22,0x14,0x8,0x8,0x8,0x8,0x8},//Y
* H, Q2 T6 d5 K; O5 J7 w, U! Z" O4 D{0x0,0x7F,0x2,0x4,0x8,0x10,0x20,0x7F},//Z
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{0x8,0x7F,0x49,0x49,0x7F,0x8,0x8,0x8},//中
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{0xFE,0xBA,0x92,0xBA,0x92,0x9A,0xBA,0xFE},//国
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};
) ^0 n( H2 w f3 D! d ]void Delay_xms(uint x)
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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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//--------------------------------------------
4 m* ^( t$ f) Q//功能：向MAX7219(U3)写入字节
2 }. w% l% b/ }//入口参数：DATA
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//出口参数：无
' B4 n, c) V. W2 Q8 r! C//说明：
8 K2 n, f$ u7 M1 tvoid Write_Max7219_byte(uchar DATA)
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{
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uchar i;
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for(i=8;i>=1;i--)
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{
! K' ~5 c5 Z% J T& x2 U Max7219_pinCLK=0;
; K& m2 h! @2 E0 ?3 m3 w Max7219_pinDIN=DATA&0x80;
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DATA=DATA<<1;
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Max7219_pinCLK=1;
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//-------------------------------------------
f% ^- b! o, z$ A& q! s//功能：向MAX7219写入数据
7 E/ v2 G' f$ I5 ?//入口参数：address、dat
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//出口参数：无
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//说明：
! {+ { w7 |8 d8 F. mvoid Write_Max7219(uchar address,uchar dat)
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{
% M$ r( h+ [* q0 } Max7219_pinCS=0;
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Write_Max7219_byte(address); //写入地址，即数码管编号
" @" C$ o/ E' u Write_Max7219_byte(dat); //写入数据，即数码管显示数字
: M' |+ D- p# b2 d/ X, p3 b' ~6 X Max7219_pinCS=1;
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}
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4 U8 F- n) L' `% P7 q* Z, Y0 N, vvoid Init_MAX7219(void)
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{
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Write_Max7219(0x09, 0x00); //译码方式：BCD码
, F) \+ ^6 ]' ^ Write_Max7219(0x0a, 0x03); //亮度
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Write_Max7219(0x0b, 0x07); //扫描界限；8个数码管显示
1 H6 n/ f( h) |2 e. f8 |! |! c7 W Write_Max7219(0x0c, 0x01); //掉电模式：0，普通模式：1
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Write_Max7219(0x0f, 0x00); //显示测试：1；测试结束，正常显示：0
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0 }( i8 h- s/ Q0 x$ R8 D…………限于本文篇幅 余下代码请从论坛下载附件…………
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发表于 2018-11-27 09:34
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