蓝桥杯单片机模块代码（矩阵按键）(代码+注释)

最新推荐文章于 2025-03-28 15:31:00 发布

tuygre

最新推荐文章于 2025-03-28 15:31:00 发布

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分类专栏：蓝桥杯模块文章标签：单片机蓝桥杯矩阵

本文链接：https://blog.youkuaiyun.com/tuygre/article/details/123009097

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/*前章节出现过的解释不再重复*/
#include "STC15F2K60S2.H"

typedef unsigned char u8;
typedef unsigned int u16;

u8 org[9],tran[9],old,new,wei;
u16 count;

void close()
{
  P0=0;
  P2=P2&0X1F|0XA0;
  P2=P2&0X1F;
  P0=0XFF;
  P2=P2&0X1F|0X80;
  P2=P2&0X1F;
}

void Timer0Init(void)		
{
  AUXR |= 0x80;		
  TMOD &= 0xF0;		
  TL0 = 0x20;		
  TH0 = 0xD1;		
  TF0 = 0;		
  TR0 = 1;		
}

void open()
{
  EA=1;
  ET0=1;
}

void translate(u8 org[],u8 tran[])
{
  u8 tran1,j,k;
  for(j=0,k=0;k<8;j++,k++)
  {
    switch(org[j])
	{
	  case '0': tran1 = 0xc0; break;  
	  case '1': tran1 = 0xf9; break;  
	  case '2': tran1 = 0xa4; break;  
	  case '3': tran1 = 0xb0; break;  
 	  case '4': tran1 = 0x99; break;  
	  case '5': tran1 = 0x92; break;  
  	  case '6': tran1 = 0x82; break;  
	  case '