点阵资料加程序5 q, x$ q& V$ {. n9 g o
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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6 B+ ?8 ~# E7 ~& @MAX7219原理图：" p8 d0 A5 _/ u$ b: |; F' D
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单片机源程序：2 g5 v" S# ]( m/ G: e
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#include <reg52.h>
; W+ q5 ], k: ?' T#include <intrins.h>
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#define uchar unsigned char
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#define uint unsigned int
V* i3 K6 F' }8 I3 ^$ y8 N1 w//定义Max7219端口
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sbit 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]={
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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
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{0x7E,0x2,0x2,0x7E,0x40,0x40,0x40,0x7E},//2
0 `* d- Y$ x4 X$ P. c{0x3E,0x2,0x2,0x3E,0x2,0x2,0x3E,0x0},//3
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{0x8,0x18,0x28,0x48,0xFE,0x8,0x8,0x8},//4
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{0x3C,0x20,0x20,0x3C,0x4,0x4,0x3C,0x0},//5
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{0x3C,0x20,0x20,0x3C,0x24,0x24,0x3C,0x0},//6
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{0x3E,0x22,0x4,0x8,0x8,0x8,0x8,0x8},//7
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{0x0,0x3E,0x22,0x22,0x3E,0x22,0x22,0x3E},//8
; a$ z1 ]' p* a h{0x3E,0x22,0x22,0x3E,0x2,0x2,0x2,0x3E},//9
% {; }4 s! w; F! k5 e) q7 h( e) l; ~{0x8,0x14,0x22,0x3E,0x22,0x22,0x22,0x22},//A
1 {* k% d1 C4 l, W{0x3C,0x22,0x22,0x3E,0x22,0x22,0x3C,0x0},//B
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{0x3C,0x40,0x40,0x40,0x40,0x40,0x3C,0x0},//C
4 ~; ]( [3 ~3 k. u0 @6 z; g! |% z# O{0x7C,0x42,0x42,0x42,0x42,0x42,0x7C,0x0},//D
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{0x7C,0x40,0x40,0x7C,0x40,0x40,0x40,0x7C},//E
9 \4 a$ ]" d% s# F{0x7C,0x40,0x40,0x7C,0x40,0x40,0x40,0x40},//F
7 |& r$ X; B# V/ N{0x3C,0x40,0x40,0x40,0x40,0x44,0x44,0x3C},//G
7 F2 r, s# K# c8 \# }' Y3 K' h: D1 I{0x44,0x44,0x44,0x7C,0x44,0x44,0x44,0x44},//H
& O% C) r' _( U& t0 F9 X2 r% _{0x7C,0x10,0x10,0x10,0x10,0x10,0x10,0x7C},//I
. }7 h. M# |% Q/ O o{0x3C,0x8,0x8,0x8,0x8,0x8,0x48,0x30},//J
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{0x0,0x24,0x28,0x30,0x20,0x30,0x28,0x24},//K
" H+ @ S# l. K. P& r6 {. c{0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x7C},//L
( T5 M( E+ o% F. B+ ^+ Y1 b- q% {+ |{0x81,0xC3,0xA5,0x99,0x81,0x81,0x81,0x81},//M
5 P7 Q/ ^5 R" \: g$ [8 O{0x0,0x42,0x62,0x52,0x4A,0x46,0x42,0x0},//N
( @2 S- E* J L{0x3C,0x42,0x42,0x42,0x42,0x42,0x42,0x3C},//O
4 f. g2 {0 o1 @5 `$ u- N& d" X{0x3C,0x22,0x22,0x22,0x3C,0x20,0x20,0x20},//P
8 \9 g7 t: \' x; T3 }{0x1C,0x22,0x22,0x22,0x22,0x26,0x22,0x1D},//Q
3 |! S: R/ V; w: ^{0x3C,0x22,0x22,0x22,0x3C,0x24,0x22,0x21},//R
% }# C2 W" Z3 m& X{0x0,0x1E,0x20,0x20,0x3E,0x2,0x2,0x3C},//S
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{0x0,0x3E,0x8,0x8,0x8,0x8,0x8,0x8},//T
: b3 B+ w1 X% H: J9 }4 E{0x42,0x42,0x42,0x42,0x42,0x42,0x22,0x1C},//U
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{0x42,0x42,0x42,0x42,0x42,0x42,0x24,0x18},//V
E8 `1 S% ~7 E1 ~. r2 s# ?* \{0x0,0x49,0x49,0x49,0x49,0x2A,0x1C,0x0},//W
( L8 x9 Y5 p1 j. M# }4 f{0x0,0x41,0x22,0x14,0x8,0x14,0x22,0x41},//X
e7 U- M. p- e+ u{0x41,0x22,0x14,0x8,0x8,0x8,0x8,0x8},//Y
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{0x0,0x7F,0x2,0x4,0x8,0x10,0x20,0x7F},//Z
( Q! |/ a: H( |9 W( E{0x8,0x7F,0x49,0x49,0x7F,0x8,0x8,0x8},//中
$ i; e7 b; l! a0 a{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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}
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//--------------------------------------------
. p3 [. X( H9 C) d/ ]. ]5 g//功能：向MAX7219(U3)写入字节
0 S* @. T, N j. V. ?4 k//入口参数：DATA
7 g# U9 v5 J! d" a+ i//出口参数：无
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//说明：
' j! X0 y& h# U& z4 ~; Yvoid Write_Max7219_byte(uchar DATA)
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uchar i;
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{
, _! Z$ F+ k& @( ? Max7219_pinCLK=0;
# g7 b& E; q+ F9 V Max7219_pinDIN=DATA&0x80;
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DATA=DATA<<1;
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Max7219_pinCLK=1;
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}
9 Q4 z% Z V) R3 m//-------------------------------------------
' A" u! S4 B* O, s' w//功能：向MAX7219写入数据
2 T) _3 u: E1 \8 w) I) X//入口参数：address、dat
8 @0 _9 y0 c* ?& Q//出口参数：无
1 c6 R" B) r2 O//说明：
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void Write_Max7219(uchar address,uchar dat)
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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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Max7219_pinCS=1;
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7 q9 N4 A9 V( G ?' W: e) D3 v! k; Dvoid Init_MAX7219(void)
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9 I7 E' H6 i2 |5 j Write_Max7219(0x09, 0x00); //译码方式：BCD码
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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
$ k# r) j% z- B+ N5 ~$ M# N Write_Max7219(0x0c, 0x01); //掉电模式：0，普通模式：1
: R% w! H2 q7 L; o Write_Max7219(0x0f, 0x00); //显示测试：1；测试结束，正常显示：0
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}
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/ f6 E' Y2 j6 I$ R" t […………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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