max7219.h

基于ARM的按键测试开发.很实用也很普遍.

#include <reg52.h>

sbit  CS0  = P2^1;
sbit  CLK0 = P2^2;
sbit  DIN0 = P2^0;



void WriteToMax7219  (unsigned char Cmd ,unsigned char Data);
void InitialMax7219(void);