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ps/2at89s52开机自检程序

上传者: qq303137475 | 上传时间:2025/4/20 0:18:41 | 文件大小:59KB | 文件类型:rar
ps/2at89s52开机自检程序
//********************************************************************#include "ps2.h"//********************************************************************#define clr_ps2_clk() (ps2_clk=0)#define set_ps2_clk() (ps2_clk=1)#define clr_ps2_data() (ps2_data=0)#define set_ps2_data() (ps2_data=1)#define db (1<<3)#define cmp_db() (P2^=db)#define set_db() (P2&=~db) #define clr_db() (P2|=db)//********************************************************************#define delay_5us nop;nop;nop;nop;nop;nop;nop;nop;nop;nop;#define delay_10us delay_5us;delay_5us#define delay_15us delay_5us;delay_10us#define delay_20us delay_10us;delay_5us#define delay_40us delay_20us;delay_15us#define delay_50us delay_40us;delay_10us//************************************************************************ 本软件ID:3863396

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评论信息

  • syp秋雨无痕:
    看了下,应该有用,写的很详细。2015-05-13
  • herobboy:
    还可以,挺适合初学者的!2014-06-30
  • tltym_tp:
    还行,可以给初学者提供参考。2013-04-17

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