点阵资料加程序2 ]+ K2 W) K& f) [. e( X
MAX7219点阵模块+控制模块+单片机模块+显示模块杜邦线5根1 x4 X) g- c' Q5 I/ j8 z
; N0 @2 F; \$ a l' TMAX7219原理图：' |4 s e/ E, K8 W! V
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单片机源程序：1 s- G8 j% W: @! z" S
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#include <reg52.h>
9 ~& G( G$ v1 N7 K7 X#include <intrins.h>
4 B# p. @9 I7 C& l! M) i5 y' d#define uchar unsigned char
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#define uint unsigned int
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//定义Max7219端口
! D( ?' o) U1 S! Fsbit Max7219_pinCLK = P2^2;
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sbit Max7219_pinCS = P2^1;
. D R% ]- h5 s) ]: ^6 T4 tsbit 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
" |. U0 ~5 v6 Z) k9 X9 y{0x10,0x18,0x14,0x10,0x10,0x10,0x10,0x10},//1
1 }) C6 T; E1 Y5 U" o6 @, K{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
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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
p3 y4 N, v1 P& p{0x3E,0x22,0x22,0x3E,0x2,0x2,0x2,0x3E},//9
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{0x8,0x14,0x22,0x3E,0x22,0x22,0x22,0x22},//A
8 w8 T" N6 {5 A5 ^{0x3C,0x22,0x22,0x3E,0x22,0x22,0x3C,0x0},//B
* Y/ E- ]/ w0 `! {9 h{0x3C,0x40,0x40,0x40,0x40,0x40,0x3C,0x0},//C
: K' v6 I, g/ {4 _{0x7C,0x42,0x42,0x42,0x42,0x42,0x7C,0x0},//D
0 W1 \) K2 L: u# \{0x7C,0x40,0x40,0x7C,0x40,0x40,0x40,0x7C},//E
6 ^. o J8 a* H! ]) i{0x7C,0x40,0x40,0x7C,0x40,0x40,0x40,0x40},//F
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{0x3C,0x40,0x40,0x40,0x40,0x44,0x44,0x3C},//G
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{0x44,0x44,0x44,0x7C,0x44,0x44,0x44,0x44},//H
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{0x7C,0x10,0x10,0x10,0x10,0x10,0x10,0x7C},//I
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{0x3C,0x8,0x8,0x8,0x8,0x8,0x48,0x30},//J
' g- e0 T" F% T1 D{0x0,0x24,0x28,0x30,0x20,0x30,0x28,0x24},//K
, H+ ]3 {% M& M{0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x7C},//L
' g$ n* z, K* R: x, ]1 r$ s1 R{0x81,0xC3,0xA5,0x99,0x81,0x81,0x81,0x81},//M
! W$ K4 L+ v/ v2 J1 f6 v2 W{0x0,0x42,0x62,0x52,0x4A,0x46,0x42,0x0},//N
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{0x3C,0x42,0x42,0x42,0x42,0x42,0x42,0x3C},//O
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{0x3C,0x22,0x22,0x22,0x3C,0x20,0x20,0x20},//P
! B. J% ^! ]# ]) C: p) k& x{0x1C,0x22,0x22,0x22,0x22,0x26,0x22,0x1D},//Q
" |5 m" D& \# x' A/ x; O{0x3C,0x22,0x22,0x22,0x3C,0x24,0x22,0x21},//R
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{0x0,0x1E,0x20,0x20,0x3E,0x2,0x2,0x3C},//S
* f* O& W1 z: g- Q* U{0x0,0x3E,0x8,0x8,0x8,0x8,0x8,0x8},//T
$ U; r/ g8 Z! {( _; K" L+ n4 n+ V{0x42,0x42,0x42,0x42,0x42,0x42,0x22,0x1C},//U
$ R( x. N; y* [7 E6 C. h2 T{0x42,0x42,0x42,0x42,0x42,0x42,0x24,0x18},//V
% c3 x* S3 f; S* y1 d{0x0,0x49,0x49,0x49,0x49,0x2A,0x1C,0x0},//W
+ S: O- e1 m( C. S, K{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
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{0xFE,0xBA,0x92,0xBA,0x92,0x9A,0xBA,0xFE},//国
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};
7 D( ^1 j# E0 ?void Delay_xms(uint x)
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uint i,j;
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for(j=0;j<112;j++);
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}
* s. w, T8 ?: m3 z# r//--------------------------------------------
: R% W7 ~7 q, p: X" [, U f//功能：向MAX7219(U3)写入字节
& g' Q3 D0 b: E9 O2 @//入口参数：DATA
' _1 n7 D& V3 ~, R//出口参数：无
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//说明：
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void Write_Max7219_byte(uchar DATA)
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" w+ j4 c4 n; H+ ^8 N4 P uchar i;
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Max7219_pinCS=0;
9 y' R$ [6 f4 _' [0 c% m% }! A for(i=8;i>=1;i--)
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Max7219_pinCLK=0;
$ U' j, @+ `7 H' u2 j2 K" H8 O Max7219_pinDIN=DATA&0x80;
1 Y/ Y# \6 _ ` DATA=DATA<<1;
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Max7219_pinCLK=1;
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}
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//-------------------------------------------
! G/ c3 [. ?: L8 g; p7 p4 b//功能：向MAX7219写入数据
$ U9 h; M7 s( u: w//入口参数：address、dat
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//出口参数：无
# W5 r4 Y3 z. ?& y) S//说明：
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void Write_Max7219(uchar address,uchar dat)
) {# U4 Z# R# } R/ f
{
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Write_Max7219_byte(address); //写入地址，即数码管编号
6 D/ p- t' Q7 N# u- \9 G 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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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
f4 N; ^" C2 U3 z) C 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
; B' k$ g; @; a0 r0 c6 ? Write_Max7219(0x0f, 0x00); //显示测试：1；测试结束，正常显示：0
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' R! t' x7 ]# U. P# ]& l! f…………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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