CT107D-按键的使用(中断法)
#include <reg52.h> int main() { IE|=0x85; TCON|=0x05; while(1); return 0; } void key_32(void) interrupt 0 { P2=(P2&0x1f)|0x80; P0=0x00; P2&=0x1f; } void key_33(void) interrupt 2 { P2=(P2&0x1f)|0x80; P0=0xff; P2&=0x1f; }
#include <reg52.h> int main() { IE|=0x85; TCON|=0x05; while(1); return 0; } void key_32(void) interrupt 0 { P2=(P2&0x1f)|0x80; P0=0x00; P2&=0x1f; } void key_33(void) interrupt 2 { P2=(P2&0x1f)|0x80; P0=0xff; P2&=0x1f; }
串口通信能用到的寄存器:SCON PCON TMODSCON Serial Control Register 串口控制寄存器 0x98HSCON的各位定义及作用SM0 SM1 SM2 &n...
使用官方的ds1302.h和ds1302.c,下方有核心代码讲解main.c#include<reg52.h> #include<intrins.h> #include<ds1302.h> typedef unsigned char&nb...
#include<reg52.h> #include<intrins.h> void hdw_init(); void smg_refresh(); void Delay1ms(); unsigned char nu...
#include<iic.h> #include "reg52.h" #include "intrins.h" typedef unsigned char BYTE; typedef&nbs...