73 lines
1.6 KiB
C
73 lines
1.6 KiB
C
#include "H/Function_Init.H"
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void Timer_Init(void);
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uint Time_Key0_Press;//按键0保持时间
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uint Time_Key1_Press;//按键1保持时间
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/*****************************************************
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*函数名称：void Timer_Test(void);
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*函数功能：T0/T1/T2测试
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*入口参数：void
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*出口参数：void
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*****************************************************/
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void Timer_Test(void)
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{
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Timer_Init();
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Time_Key0_Press = 0;
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Time_Key1_Press = 0;
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}
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/*****************************************************
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*函数名称：void Timer_Init(void)
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*函数功能：T0/T1/T2初始化
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*入口参数：void
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*出口参数：void
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*****************************************************/
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void Timer_Init(void)
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{
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TMCON = 0X01; //------111 ;Timer0、Tiemr1和Tiemr2选择时钟Fsys
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//T0设置，现象：P02输出频率为1K的方波(主频：32M)
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TMOD |= 0x01; //0000 0001;Timer0设置工作方式1
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TL0 = (65536 - 32000)%256; //时钟为Fsys，则溢出时间=16000*（1/Fsys）;
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TH0 = (65536 - 32000)/256;
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TR0 = 0;
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ET0 = 1;//定时器0允许
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TR0 = 1;//打开定时器0
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}
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/**************************************************
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*函数名称：void timer0/1/2/3/4() interrupt 1/3/5/13/14
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*函数功能：定时器中断产生方波
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*入口参数：void
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*出口参数：void
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**************************************************/
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void timer0() interrupt 1
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{
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TL0 = (65536 - 32000)%256; //手动重装载值低8位
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TH0 = (65536 - 32000)/256; //手动重装载值高8位
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if(!Key0)
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Time_Key0_Press++;
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else
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Time_Key0_Press=0;
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if(Time_Key0_Press>=3000)//等三秒让数据收拢
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{
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Time_Key0_Press = 0;
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Key0_flag = 1;
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}
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if(!Key1)
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Time_Key1_Press++;
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else
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Time_Key1_Press=0;
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if(Time_Key1_Press>=3000)
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{
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Time_Key1_Press = 0;
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Key1_flag = 1;
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}
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}
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