点阵资料加程序
& P0 n$ i7 H: D, k) RMAX7219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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" T2 g5 }, |3 ~9 |$ S* n/ DMAX7219原理图：
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单片机源程序：
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#include <reg52.h>
, I0 g! q' b2 t0 |+ P1 p: Q#include <intrins.h>
0 B7 V+ d( Y4 u* T; R#define uchar unsigned char
0 P, t' M8 m3 g8 ~0 w* N# ^3 p2 i#define uint unsigned int
! x" b! f0 ~2 ~% T8 T//定义Max7219端口
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sbit Max7219_pinCLK = P2^2;
6 F9 \4 j& S8 O" N! psbit Max7219_pinCS = P2^1;
- q; r# U9 D! ?) n" ]4 ?sbit Max7219_pinDIN = P2^0;
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uchar code disp1[38][8]={
, W% H* U% R# H' c1 Y/ c{0x3C,0x42,0x42,0x42,0x42,0x42,0x42,0x3C},//0
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{0x10,0x18,0x14,0x10,0x10,0x10,0x10,0x10},//1
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{0x7E,0x2,0x2,0x7E,0x40,0x40,0x40,0x7E},//2
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{0x3E,0x2,0x2,0x3E,0x2,0x2,0x3E,0x0},//3
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{0x8,0x18,0x28,0x48,0xFE,0x8,0x8,0x8},//4
) q: c. j* [1 S+ R- t( M! y4 Q{0x3C,0x20,0x20,0x3C,0x4,0x4,0x3C,0x0},//5
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{0x3C,0x20,0x20,0x3C,0x24,0x24,0x3C,0x0},//6
; r, M) s1 \" _{0x3E,0x22,0x4,0x8,0x8,0x8,0x8,0x8},//7
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{0x0,0x3E,0x22,0x22,0x3E,0x22,0x22,0x3E},//8
! e' u5 g0 V' N{0x3E,0x22,0x22,0x3E,0x2,0x2,0x2,0x3E},//9
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{0x8,0x14,0x22,0x3E,0x22,0x22,0x22,0x22},//A
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{0x3C,0x22,0x22,0x3E,0x22,0x22,0x3C,0x0},//B
' \4 T6 k) I/ q{0x3C,0x40,0x40,0x40,0x40,0x40,0x3C,0x0},//C
- v; T: w. v h' v1 J{0x7C,0x42,0x42,0x42,0x42,0x42,0x7C,0x0},//D
; r( r( B+ w+ D+ Z{0x7C,0x40,0x40,0x7C,0x40,0x40,0x40,0x7C},//E
/ y/ h) @1 U& l- i: m{0x7C,0x40,0x40,0x7C,0x40,0x40,0x40,0x40},//F
, w. x; z) i( Y" Q! L/ j% M{0x3C,0x40,0x40,0x40,0x40,0x44,0x44,0x3C},//G
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{0x44,0x44,0x44,0x7C,0x44,0x44,0x44,0x44},//H
7 G+ s) \- E2 f1 g. z{0x7C,0x10,0x10,0x10,0x10,0x10,0x10,0x7C},//I
( `* `+ Z1 D" D! Q- T{0x3C,0x8,0x8,0x8,0x8,0x8,0x48,0x30},//J
$ E( ~6 _# \1 G0 w% @3 F{0x0,0x24,0x28,0x30,0x20,0x30,0x28,0x24},//K
1 p1 [. f) B k{0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x7C},//L
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{0x81,0xC3,0xA5,0x99,0x81,0x81,0x81,0x81},//M
H% L8 l6 ~, G4 r2 U& [$ `# W) s, i{0x0,0x42,0x62,0x52,0x4A,0x46,0x42,0x0},//N
8 O6 d# b; k1 f. i1 w- z{0x3C,0x42,0x42,0x42,0x42,0x42,0x42,0x3C},//O
, \7 T5 Z% P( d& o{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
# F7 x6 r' g* u# S* S# m" u{0x0,0x1E,0x20,0x20,0x3E,0x2,0x2,0x3C},//S
" D# L6 {$ v l{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
" T9 s7 e" C9 x# n$ z( S$ I# y{0x0,0x49,0x49,0x49,0x49,0x2A,0x1C,0x0},//W
' q$ @0 m/ u9 z5 A{0x0,0x41,0x22,0x14,0x8,0x14,0x22,0x41},//X
9 O9 A1 B. v' F# K% D{0x41,0x22,0x14,0x8,0x8,0x8,0x8,0x8},//Y
/ e4 `: W0 x$ i: j( M2 I! Y7 f{0x0,0x7F,0x2,0x4,0x8,0x10,0x20,0x7F},//Z
8 A/ |2 ] W! {1 }8 R{0x8,0x7F,0x49,0x49,0x7F,0x8,0x8,0x8},//中
& {" X, v; d0 w/ U2 e+ H{0xFE,0xBA,0x92,0xBA,0x92,0x9A,0xBA,0xFE},//国
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};
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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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//--------------------------------------------
. r2 D" d1 Y* R0 A//功能：向MAX7219(U3)写入字节
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//入口参数：DATA
) `* c# ~. r6 e3 \//出口参数：无
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//说明：
8 b) R4 T7 A) ~3 q! P7 }void Write_Max7219_byte(uchar DATA)
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uchar i;
$ P7 d9 P+ G/ S Max7219_pinCS=0;
. p- k; e$ X2 @" b for(i=8;i>=1;i--)
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/ D& g# N+ }- `/ e ~, P/ Z% |% J+ y Max7219_pinCLK=0;
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Max7219_pinDIN=DATA&0x80;
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DATA=DATA<<1;
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Max7219_pinCLK=1;
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% ^8 @" n/ u9 u6 c//-------------------------------------------
+ H E4 J" R# P% ]% \; p//功能：向MAX7219写入数据
$ U- d& w9 D+ a8 U5 J* _//入口参数：address、dat
1 K7 Y( b# N: S//出口参数：无
& M+ U" K& ~3 S1 U) H//说明：
& ]$ L" |+ X' pvoid Write_Max7219(uchar address,uchar dat)
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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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void Init_MAX7219(void)
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{
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Write_Max7219(0x09, 0x00); //译码方式：BCD码
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Write_Max7219(0x0a, 0x03); //亮度
; K$ {7 t! T) Q5 s. e Write_Max7219(0x0b, 0x07); //扫描界限；8个数码管显示
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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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/ T% X, @* s/ Z2 S, y; O1 u( 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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