MAX7219中文资料下载+单片机控制MAX7219点阵模块源程序 原理图

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MAX7219中文资料下载+单片机控制MAX7219点阵模块源程序 原理图

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点阵资料加程序 + b2 N; h. c/ U$ IMAX7219点阵模块+控制模块+单片机模块+显示模块杜邦线5根 + D8 J" ^0 G! Z) E' {! ~0 \MAX7219原理图： 2 Q9 b! I2 s* f 4 u6 n3 k8 x  k  s( v : d3 {; P$ Z4 F- p) { 3 M" e0 \7 x6 p% D9 M 单片机源程序：

#include <reg52.h>
8 ]9 `, j& f" l  U: o7 F' A1 P0 p#include <intrins.h>
#define uchar unsigned char
6 x( f) N: G1 Q#define uint  unsigned int
//定义Max7219端口
4 N. |2 M& q$ ]4 i# tsbit Max7219_pinCLK = P2^2;
sbit Max7219_pinCS  = P2^1;
sbit Max7219_pinDIN = P2^0;
- }$ K$ S6 ~7 i2 v- K) Suchar code disp1[38][8]={
{0x3C,0x42,0x42,0x42,0x42,0x42,0x42,0x3C},//0
) v& S4 B' Q2 M) r{0x10,0x18,0x14,0x10,0x10,0x10,0x10,0x10},//1
) S* `8 J5 j; ?/ y% H0 F/ j1 Z{0x7E,0x2,0x2,0x7E,0x40,0x40,0x40,0x7E},//2
{0x3E,0x2,0x2,0x3E,0x2,0x2,0x3E,0x0},//3
{0x8,0x18,0x28,0x48,0xFE,0x8,0x8,0x8},//4
( V& j9 U; G# B( y5 p{0x3C,0x20,0x20,0x3C,0x4,0x4,0x3C,0x0},//5
# _0 U/ K8 L: e1 q5 @# q9 a8 R{0x3C,0x20,0x20,0x3C,0x24,0x24,0x3C,0x0},//6
{0x3E,0x22,0x4,0x8,0x8,0x8,0x8,0x8},//7
* `5 q" }- A8 X{0x0,0x3E,0x22,0x22,0x3E,0x22,0x22,0x3E},//8
$ {( z$ B3 u* N% j" R{0x3E,0x22,0x22,0x3E,0x2,0x2,0x2,0x3E},//9
& E; i! E  l* u8 w- R{0x8,0x14,0x22,0x3E,0x22,0x22,0x22,0x22},//A
9 [4 o, k' e5 m0 _) s) }1 W{0x3C,0x22,0x22,0x3E,0x22,0x22,0x3C,0x0},//B
* H: j5 A1 q5 z' m! N{0x3C,0x40,0x40,0x40,0x40,0x40,0x3C,0x0},//C
{0x7C,0x42,0x42,0x42,0x42,0x42,0x7C,0x0},//D
1 \* m8 ?$ d& M1 K2 K{0x7C,0x40,0x40,0x7C,0x40,0x40,0x40,0x7C},//E
{0x7C,0x40,0x40,0x7C,0x40,0x40,0x40,0x40},//F
{0x3C,0x40,0x40,0x40,0x40,0x44,0x44,0x3C},//G
{0x44,0x44,0x44,0x7C,0x44,0x44,0x44,0x44},//H
{0x7C,0x10,0x10,0x10,0x10,0x10,0x10,0x7C},//I
{0x3C,0x8,0x8,0x8,0x8,0x8,0x48,0x30},//J
" Z' ?5 H/ p5 s8 @* W, ?& f{0x0,0x24,0x28,0x30,0x20,0x30,0x28,0x24},//K
{0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x7C},//L
{0x81,0xC3,0xA5,0x99,0x81,0x81,0x81,0x81},//M
{0x0,0x42,0x62,0x52,0x4A,0x46,0x42,0x0},//N
{0x3C,0x42,0x42,0x42,0x42,0x42,0x42,0x3C},//O
- [2 I' c8 L0 o1 ~6 A{0x3C,0x22,0x22,0x22,0x3C,0x20,0x20,0x20},//P
) C5 S, ~# v7 [4 w6 w5 b- L, n7 {{0x1C,0x22,0x22,0x22,0x22,0x26,0x22,0x1D},//Q
; s& @2 e/ k$ H{0x3C,0x22,0x22,0x22,0x3C,0x24,0x22,0x21},//R
{0x0,0x1E,0x20,0x20,0x3E,0x2,0x2,0x3C},//S
- @! x' p7 F1 J+ V8 `{0x0,0x3E,0x8,0x8,0x8,0x8,0x8,0x8},//T
' i$ ?) N8 r. N3 q{0x42,0x42,0x42,0x42,0x42,0x42,0x22,0x1C},//U
{0x42,0x42,0x42,0x42,0x42,0x42,0x24,0x18},//V
, ^+ g' k  ?8 s0 z2 r% }, x0 _1 ?{0x0,0x49,0x49,0x49,0x49,0x2A,0x1C,0x0},//W
{0x0,0x41,0x22,0x14,0x8,0x14,0x22,0x41},//X
{0x41,0x22,0x14,0x8,0x8,0x8,0x8,0x8},//Y
" A' p: c/ ~+ k{0x0,0x7F,0x2,0x4,0x8,0x10,0x20,0x7F},//Z
{0x8,0x7F,0x49,0x49,0x7F,0x8,0x8,0x8},//中
{0xFE,0xBA,0x92,0xBA,0x92,0x9A,0xBA,0xFE},//国
};
void Delay_xms(uint x)
{
- s# R5 I, d+ c2 H0 R) q1 W% y uint i,j;
( O1 Q9 T, q8 {: Y' Z for(i=0;i<x;i++)
  for(j=0;j<112;j++);
}
//--------------------------------------------
) K# e3 S0 I% n0 T4 A//功能：向MAX7219(U3)写入字节
1 b+ q5 U7 t7 `3 Z* M4 g9 y: [//入口参数：DATA
  {; F2 K, r" s" B' W1 w//出口参数：无
//说明：
void Write_Max7219_byte(uchar DATA)         
{
            uchar i;   
                Max7219_pinCS=0;               
6 Q8 y, ^) I9 t$ `            for(i=8;i>=1;i--)
          {                  
7 K- a; @6 S+ {+ |: ]: k            Max7219_pinCLK=0;
$ T) \3 Y' F3 _4 H            Max7219_pinDIN=DATA&0x80;
            DATA=DATA<<1;
! S- d1 L5 i5 x; @            Max7219_pinCLK=1;
           }                                 
* k7 I& l& ?3 n/ n}
//-------------------------------------------
//功能：向MAX7219写入数据
//入口参数：address、dat
* e) U7 y2 J# u- ^5 ^" Y1 v//出口参数：无
//说明：
void Write_Max7219(uchar address,uchar dat)
2 z6 i5 K  F0 v, c6 C1 B  V. k{
     Max7219_pinCS=0;
2 q+ s% }/ w1 }3 I$ B         Write_Max7219_byte(address);           //写入地址，即数码管编号
     Write_Max7219_byte(dat);               //写入数据，即数码管显示数字
4 U" d6 o- U$ F3 T. O         Max7219_pinCS=1;                        
}
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void Init_MAX7219(void)
, H! M& u! `  i* s5 X{
9 i- l6 L: |0 k$ F6 c* w* ] Write_Max7219(0x09, 0x00);       //译码方式：BCD码
Write_Max7219(0x0a, 0x03);       //亮度
+ k- E0 @5 m6 x# @: g' T Write_Max7219(0x0b, 0x07);       //扫描界限；8个数码管显示
, i+ ^4 F+ C: i/ O) A7 d Write_Max7219(0x0c, 0x01);       //掉电模式：0，普通模式：1
: _  D$ b/ _# `. H1 o Write_Max7219(0x0f, 0x00);       //显示测试：1；测试结束，正常显示：0
}
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3 W, \) ~$ R8 l  |; ?) m…………限于本文篇幅 余下代码请从论坛下载附件…………

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