振南ZN-X开发板【STM32M3版】花样实验之“16x16点阵滚动显示”

只看该作者 · 2014-10-10 10:47

本帖最后由 znmcu 于 2014-10-10 14:17 编辑

振南网站还在继续美化改进，暂时提供一个平台来发布振南的实验和相关资料！
http://www.znmcu.cn/znx_m3_exp_huayang_leddz_rolling_test.html
振南QQ：987582714 群：198521880

振南ZN-X开发板(STM32F103版) 基础花样实验之 16x16点阵滚动显示

实验说明：

在完成了16x16点阵屏基本的汉字字形显示实验之后，振南就开始着手研究制作更为有趣的显示效果—“滚屏显示”！在点阵屏上实现滚动显示，是一种我们经常见到的显示效果。但是很多人对于它却无从下手。其实很简单，我们把LED点阵当作显示屏，在它上面显示的任何内容都是一帧帧的图像。要作出滚动效果，最根本的就是由字模点阵数据计算出“字模串位”的效果。理解这个原理，我们就可以实现左移、右移、上移、下移，甚至是斜移，以及各种更加炫酷的效果。

此实验的目的是在16x16点阵上循环向左滚动显示“振南电子，原创无限！点阵屏滚动显示实验～”这几个字。

实验硬件：

硬件特写：

实验原理图：

信号连接：

振南ZN-X开发板具有极强的扩展性，可以插接很多种模块，同时也可以兼容很多种CPU芯片。本实验使用的是STM32F103和基础资源模块。将基础资源模块插接到ZN-X基板的插座上，这样模块的信号便与CPU的IO进行了连接。

16x16点阵部分的信号连接如下表：

16x16点阵信号	与CPU IO连接	说明
595-DINH	PA7	用于控制“行”的两片级联HC595的串行数据输入
595-DINL	PA4	用于控制“列”的两片级联HC595的串行数据输入
595-LC	PB10	用于控制4片HC595的数据锁存
595-SCK	PA5	串行时钟

振南详解：

点阵滚动算法的根本思想可以由下图形象地表述：

上图所示过程的代码实现如下：

复制

void DZ_Make_Rolling_Data(unsigned char p[16][2],unsigned char *pcode,unsigned char n)

{

 int i=0;

 for(i=0;i<16;i++)

 {

  p[i][0]<<=1;

  if(p[i][1]&0x80) p[i][0]|=0x01;

  p[i][1]<<=1;

  if(pcode[2*i+(n>7?1:0)]&(0x80>>(n>7?(n-8):n))) p[i][1]|=0x01;

 }

}

主要代码：

const unsigned char hz_code[20][32]= //汉字的字模数据

{

0x18,0x00,0x1B,0xFF,0x1B,0x00,0xFF,0x00,0x1B,0xFE,0x1F,0x00,0x1F,0xFF,0x1B,0xE0,

0x3B,0xF6,0xFB,0xF7,0x1B,0xDC,0x1B,0xCC,0x1E,0xCC,0x1E,0xF7,0x7C,0xE6,0x30,0xC0},/*"振",0*/

{

0x01,0x80,0x01,0x86,0xFF,0xFF,0x01,0x80,0x03,0x00,0x3F,0xFE,0x36,0x36,0x33,0x66,

0x3F,0xFE,0x31,0x86,0x3F,0xFE,0x31,0x86,0x31,0x86,0x31,0x9E,0x31,0x8C,0x00,0x00},/*"南",1*/

{

0x01,0x80,0x01,0x80,0x01,0x80,0x3F,0xFC,0x31,0x8C,0x31,0x8C,0x3F,0xFC,0x31,0x8C,

0x31,0x8C,0x31,0x8C,0x3F,0xFC,0x31,0x8C,0x01,0x83,0x01,0x83,0x00,0xFF,0x00,0x00},/*"电",2*/

{

0x00,0x00,0x3F,0xF8,0x00,0x30,0x00,0x60,0x00,0xC0,0x01,0x80,0x01,0x80,0x01,0x86,

0xFF,0xFF,0x01,0x80,0x01,0x80,0x01,0x80,0x01,0x80,0x01,0x80,0x07,0x80,0x03,0x00},/*"子",3*/

{

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x38,0x00,0x38,0x00,0x18,0x00,0x30,0x00,0x00,0x00},/*"，",4*/

{

0x00,0x00,0x3F,0xFE,0x31,0xC0,0x31,0x80,0x37,0xF8,0x36,0x18,0x37,0xF8,0x36,0x18,

0x36,0x18,0x37,0xF8,0x30,0xC0,0x36,0xF0,0x67,0xDC,0x6C,0xCE,0xDB,0xCC,0xC1,0x80},/*"原",5*/

{

0x0C,0x03,0x0C,0x03,0x1E,0x1B,0x1B,0x9B,0x31,0xFB,0x60,0xDB,0xFF,0x9B,0x31,0x9B,

0x31,0x9B,0x37,0x9B,0x33,0x1B,0x30,0xC3,0x30,0xC3,0x30,0xCF,0x1F,0xC6,0x00,0x00},/*"创",6*/

{

0x00,0x00,0x3F,0xFE,0x01,0x80,0x01,0x80,0x01,0x80,0x01,0x80,0x7F,0xFF,0x01,0xC0,

0x03,0xC0,0x03,0xC0,0x06,0xC0,0x0C,0xC0,0x18,0xC3,0x30,0xC3,0xE0,0x7F,0x00,0x00},/*"无",7*/

{

0x00,0x00,0xFF,0xFC,0xDB,0x0C,0xDB,0xFC,0xF3,0x0C,0xF3,0x0C,0xDB,0xFC,0xCF,0xC0,

0xCF,0x6C,0xFF,0x78,0xDB,0x30,0xC3,0x30,0xC3,0x18,0xC3,0xCF,0xC3,0x86,0xC3,0x00},/*"限",8*/

{

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x18,0x00,0x18,0x00,0x18,0x00,0x18,0x00,

0x18,0x00,0x18,0x00,0x18,0x00,0x18,0x00,0x18,0x00,0x00,0x00,0x18,0x00,0x00,0x00},/*"！",9*/

{

0x01,0x80,0x01,0x80,0x01,0xFC,0x01,0x80,0x01,0x98,0x1F,0xFC,0x18,0x18,0x18,0x18,

0x18,0x18,0x1F,0xF8,0x18,0x18,0x01,0x98,0x3C,0xCC,0x36,0x66,0x66,0x66,0x00,0x00},/*"点",10*/

{

0x00,0xC0,0xFC,0xC0,0xCC,0xC0,0xDF,0xFE,0xF1,0x80,0xD9,0xE0,0xCF,0x60,0xCF,0xFE,

0xCC,0x60,0xFC,0x60,0xDF,0xFF,0xC0,0x60,0xC0,0x60,0xC0,0x60,0xC0,0x60,0xC0,0x60},/*"阵",11*/

{

0x3F,0xFE,0x30,0x06,0x30,0x06,0x3F,0xFE,0x36,0x18,0x33,0x30,0x3F,0xFE,0x33,0x30,

0x33,0x30,0x3F,0xFF,0x33,0x30,0x33,0x30,0x66,0x30,0x66,0x30,0xCC,0x30,0x18,0x30},/*"屏",12*/

{

0x60,0xC0,0x30,0x60,0x3F,0xFF,0x01,0xB0,0xC3,0x1C,0x66,0xCC,0x79,0xB0,0x1B,0xF8,

0x18,0xD8,0x31,0xCC,0x33,0x78,0xF7,0x30,0x3F,0x18,0x33,0xCC,0x33,0x8F,0x33,0x06},/*"滚",13*/

{

0x00,0x30,0x00,0x30,0x7F,0x30,0x00,0x30,0x00,0xFE,0xFF,0xB6,0x18,0x36,0x18,0x36,

0x36,0x36,0x33,0x36,0x6F,0xE6,0xFF,0x66,0x60,0xC6,0x01,0x9E,0x03,0x0C,0x00,0x00},/*"动",14*/

{

0x00,0x00,0x1F,0xF8,0x18,0x18,0x1F,0xF8,0x18,0x18,0x1F,0xF8,0x06,0x60,0x06,0x60,

0x66,0x6C,0x36,0x6C,0x1E,0x78,0x1E,0x70,0x06,0x60,0xFF,0xFF,0x00,0x00,0x00,0x00},/*"显",15*/

{

0x00,0x00,0x1F,0xFC,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0xFF,0x01,0x80,0x01,0x80,

0x19,0xB0,0x19,0x98,0x31,0x8C,0x61,0x8E,0xC1,0x86,0x01,0x80,0x07,0x80,0x03,0x00},/*"示",16*/

{

0x01,0x80,0x00,0xC0,0x3F,0xFF,0x3C,0x06,0x67,0xCC,0x06,0xC0,0x0C,0xC0,0x07,0xC0,

0x06,0xC0,0x7F,0xFF,0x00,0xC0,0x01,0xE0,0x03,0x30,0x06,0x18,0x1C,0x1C,0x70,0x18},/*"实",17*/

{

0x00,0x00,0xFC,0x60,0x0C,0x60,0x6C,0xF0,0x6C,0xD8,0x6D,0x8F,0x6F,0xF8,0x7E,0x00,

0x06,0xC6,0x07,0x66,0x3F,0xEC,0xE7,0xEC,0x06,0x18,0x1F,0xFF,0x0C,0x00,0x00,0x00},/*"验",18*/

{

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3F,0x86,

0x60,0xFC,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"～",19*/

};

unsigned char dz_buf1[16][2];

int main(void)

{

unsigned int index=0,i=0;

ZNX_Board_Init(); //ZN-X开发板的板级初始化

delay_init(); //延时函数初始化

uart_init(38400);

printf("******************************* \r\n");

printf("This is LedMatrix Rolling Test \r\n");

printf("******************************* \r\n");

DZ_Init(); //初始化点阵，启动点阵动态扫描

while(1)

{

DZ_Make_Rolling_Data(dz_buf1,hz_code[index],i++);

DZ_UpdateBuffer((unsigned char *)dz_buf1); //将汉字的字模数据更新到显示缓冲数组中

if(i==16) {i=0;index++;index%=20;}

delay_ms(30);

}

注：有很多人询问程序中的汉字字模数据是如何获取的，其实很简单，是使用PCtoLCD软件获取的。这在视频教程中，以及振南的书中都有详细的说明。

书电子版的下载：http://www.znmcu.cn/znfat_support.html 中的第十章！

实验效果（在线视频演示）：

实验代码下载：

http://down.znmcu.cn/ZN-X/ZN-X(M3)/exps/lcddz%20rolling%20test.rar

振南ZN-X开发板【STM32M3版】花样实验 之“16x16点阵滚动显示”

相关下载

相关帖子

社区建设奖章

欢快之小溪

缘定三生

技术奇才奖章

振南ZN-X开发板【STM32M3版】花样实验之“16x16点阵滚动显示”