This repository has been archived on 2024-01-06. You can view files and clone it, but cannot push or open issues or pull requests.
justhomework/MCU/MCU_REAL _FINAL/main.c

91 lines
No EOL
1.5 KiB
C
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

#include "main.h"
#define RELOAD (65535-9216) //定时器填充值(1ms)
unsigned char TH, TL;
extern Menu *NOW; //菜单指针
extern enum OPR opr; //按键状态
unsigned char freshScreenTriger = 0;
void int0() interrupt 0 //外部中断:检测左右旋钮
{
// IE0 = 0; //消抖
// delay(20);
// IE0 = 0;
//
// if(PIN_3 == 0)
// {
// delay(10);
// if(PIN_3 == 0)
// opr = left;
// }
// else if(PIN_3 == 1)
// {
// delay(10);
// if(PIN_3 == 1)
// opr = right;
// }
unsigned char LS, CS, flag = 0;
LS = PIN_3;
while(!PIN_1)
{
CS = PIN_3;
flag = 1;
}
if(flag == 1)
{
if((LS == 0) && (CS == 1))
opr = right;
if((LS == 1) && (CS == 0))
opr = left;
}
}
void time() interrupt 1 //定时中断:检测确认按键
{
EA = 0;
TH0 = TH;
TL0 = TL0 + TL;
TL0 = TL0 + 23;
if(PIN_4 == 0)
{
delay(10);
if(PIN_4 == 0)
opr = confirm;
}
EA = 1;
}
int main()
{
TH = RELOAD / 256; //填充值预计算
TL = RELOAD - (RELOAD / 256) * 256;
TH0 = TH;
TL0 = TL;
TMOD = 0x01; //使用定时器T0高4位全为0,低4位GATE=0C/T=0采用工作方式1M1=0,M1=1
TR0 = 1; //启动定时器0
EA = 1; //打开中断总开关
ET0 = 1; //打开定时器0中断开关
IT0 = 1; //中断触发方式为下边沿触发
EX0 = 1; //打开外部中断0
EA = 1; //打开中断总开关
displayInit(); //屏幕初始化
clear();
menuInit(); //菜单及其他初始化
while(1)
{
NOW->f(NOW);
}
}