esp8266单片机使用MAX7219芯片驱动点阵屏幕

esp8266单片机使用MAX7219芯片驱动点阵屏幕

我们这里使用的单片机是一块esp8266，点阵屏幕的话就是买的普通16脚红色的，驱动芯片就是MAX7219芯片，只需要依次把芯片的clk，cs，dout引脚连接起来拼成个16*16的点阵屏幕就可以了
下面是成品图片

任务：在屏幕上显示云量科技

下面是代码部分

#include <LedControl.h>

/*这里使用了分别对上下屏控制的方法进行的控制
接线 就是按下面接的
可能很多人看了我写的这种驱动方法很是不理解，如果有不清楚的地方可以关注我
私我，我会回答你的
公众号：云量科技
作者：编程一只狗
*/

int DIN1 = D0;
int CS1 =  D1;
int CLK1 = D2;
int DIN = D7;
int CS =  D6;
int CLK = D5;

LedControl LC1 = LedControl(DIN,CLK,CS,8);
LedControl LC2 = LedControl(DIN1,CLK1,CS1,8);

byte hai16[][32] = {
0x00,0x08,0x08,0x08,0x08,0x08,0xE8,0x08,0x08,0x0B,0x0C,0x38,0xC8,0x88,0x08,0x08,
0x00,0x40,0x41,0x41,0x41,0x41,0x7F,0x41,0x41,0x41,0x41,0x40,0xFF,0x00,0x01,0x02,/*"在",0*/

0x00,0x40,0x40,0x42,0x42,0x42,0x42,0x42,0x42,0xC2,0x42,0x42,0x42,0x42,0x40,0x40,
0x00,0x00,0x00,0xE0,0x30,0x28,0x24,0x20,0x20,0x20,0x23,0x24,0x28,0x70,0x20,0x00,/*"云",1*/

0x00,0x20,0x20,0x20,0xBE,0xAA,0xAA,0xAA,0xAA,0xAA,0xAA,0xAA,0xBE,0x20,0x20,0x20,
0x00,0x00,0x80,0x80,0xAF,0xAA,0xAA,0xAA,0xFF,0xAA,0xAA,0xAA,0xAF,0x80,0x80,0x00,/*"量",2*/

0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0xCC,0x22,0x00,0x22,0xA3,0xFE,0xA4,0x24,0x24,
0x00,0x02,0x02,0x02,0xFF,0x04,0x04,0x04,0x04,0x04,0x01,0x00,0xFF,0x01,0x06,0x08,/*"科",3*/

0x00,0x08,0x88,0x88,0x88,0xFF,0x88,0x88,0x88,0x08,0x90,0x10,0xFF,0x10,0x10,0x10,
0x00,0x80,0x81,0x46,0x28,0x10,0x2C,0x43,0x40,0x80,0x80,0x01,0x7F,0x82,0x44,0x04,/*"技",4*/

0x00,0x00,0x18,0x28,0x08,0x08,0xC8,0x0F,0x30,0x40,0x9C,0x64,0x84,0x44,0x24,0x04,
0x00,0x80,0x40,0x20,0x18,0x06,0x01,0x06,0x18,0x20,0x4C,0x82,0x01,0x06,0x08,0x10,/*"欢",5*/

0x00,0x00,0xFC,0x04,0x04,0xFC,0x00,0x02,0x04,0xFC,0x00,0x00,0xCC,0x42,0x40,0x40,
0x00,0x40,0x43,0x44,0x42,0x7F,0x40,0x42,0x44,0x4F,0x40,0x20,0x1F,0x20,0x40,0x00,/*"迎",6*/

0x00,0x00,0x8C,0x54,0x24,0x04,0xF4,0x04,0x67,0x88,0x10,0x23,0xFC,0x08,0x10,0x20,
0x00,0x60,0x11,0x00,0xE0,0x80,0x83,0x84,0xB2,0x88,0x81,0x80,0x77,0x00,0x30,0x40,/*"您",7*/
};

void setup() {
  // put your setup code here, to run once:
    for(int i = 0;i<8;i++)
    {
        LC1.shutdown(i,false);       //启动时，关闭省电模式
        LC1.setIntensity(i,8);       //亮度设置
        LC1.clearDisplay(i);         //清除显示
        LC2.shutdown(i,false);       //启动时，关闭省电模式
        LC2.setIntensity(i,8);       //亮度设置
        LC2.clearDisplay(i);         //清除显示
    }
    xiehs(1,1);
    xiehs(2,2);
    xiehs(3,3);
    xiehs(4,4);
}

void loop() {
  // put your main code here, to run repeatedly:
   
}


void xiehs(int dat,int dat2) //dat 是在哪一块屏幕写子，dat2是字模的位置
{
      int d;
      switch(dat)
      {
      case 1:d=0;break;  
      case 2:d=2;break; 
      case 3:d=4;break; 
      case 4:d=6;break; 
      }
      for(int i = 0;i<8;i++)
    {
     LC1.setColumn(d+1,i,hai16[dat2][i]);
     LC1.setColumn(d,i,hai16[dat2][i+8]);
     LC2.setColumn(d+1,i,hai16[dat2][i+16]);
     LC2.setColumn(d,i,hai16[dat2][i+24]);
    }
  
}