clock.c

一个ST7系列的车载dvd系统源代码

/*********************************************************
	Project:		ST FST(TDA7540)
	File name:	clock.c
	Description:	
	Write/Modify:	Perry Liang
	Time:		2006-1-24- 15:30:39
*********************************************************/
#include "public.h"

/*********************************************
	Function:		ClockMain
	Description:	
	Write/Modify:	Perry.Liang
	Time:		2006-1-24- 15:43:05
*********************************************/
void ClockMain(void)
{
	ClockDisplay();

	if(F_HalfSecond!=F_HalfSecondBackup)
	{
		F_HalfSecondOut=1;
		F_HalfSecondBackup=F_HalfSecond;
	}
	else
		F_HalfSecondOut=0;
}

/*********************************************
	Function:		ClockDisplay
	Description:	
	Write/Modify:	Perry.Liang
	Time:		2005-1-12- 14:10:05
*********************************************/
void ClockDisplay(void)
{

	if(((System.DispMode.Current==DISPMODE_STANDBY && F_HalfSecondOut)
		||System.DispMode.Next==DISPMODE_STANDBY)
		&&System.AccMode==ACCMODE_ACCON
		&&!F_DispAnimation)
	{
		/*DispNum[0]=' ';
		DispNum[1]=' ';
		DispNum[2]=Clock.hour/10;
		DispNum[3]=Clock.hour%10;
		if(F_HalfSecond)
			DispNum[4]='-';
		else
			DispNum[4]=' ';
		DispNum[5]=Clock.min/10;
		DispNum[6]=Clock.min%10;
		DispNum[7]=' ';
		DisplayRefresh();*/

		DispNum[0]=Clock.hour/10;
		DispNum[1]=Clock.hour%10;
		DispNum[2]='\'';
		DispNum[3]=Clock.min/10;
		DispNum[4]=Clock.min%10;
		DispNum[5]='\'';
		DispNum[6]=Clock.sec/10;
		DispNum[7]=Clock.sec%10;
		DisplayRefresh();

	}
	
}

/*********************************************
	Function:		ClockInit
	Description:	
	Write/Modify:	Perry.Liang
	Time:		2005-1-12- 14:10:12
*********************************************/
void ClockInit(void)
{
	Clock.hour=0;
	Clock.min=0;
	Clock.sec=0;
	Clock.frame=0;
	Clock.update=1;
	Hour24toHour12();
	//F_BLINK_P=1;
}

/*********************************************
	Function:		ClockRun
	Description:	
	Write/Modify:	Perry.Liang
	Time:		2005-1-12- 14:10:17
*********************************************/
void ClockRun(void)
{
	#ifdef MCU8_664M
		if(Clock.frame%5==0)
			F_HalfSecond=~F_HalfSecond;
		Clock.frame++;
		if(Clock.frame<10)return;
	#else
		if(Clock.frame%10==0)
			F_HalfSecond=~F_HalfSecond;
		Clock.frame++;
		if(Clock.frame<20)return;
	#endif
	
	Clock.frame=0;
	Clock.sec++;
	if(Clock.sec<60)return;
	Clock.sec=0;
	Clock.min++;
	Clock.update=1;
	if(Clock.min<60)return;
	Clock.min=0;
	Clock.hour++;
	if(Clock.hour==24)
	Clock.hour=0;

	Hour24toHour12();
}

/*********************************************
	Function:		ClockChange
	Description:	
	Write/Modify:	Perry.Liang
	Time:		2005-1-12- 14:10:21
*********************************************/
void ClockChange(unsigned char hour,unsigned char min)
{
	switch(hour)
	{
		case HOUR_KEEP:
			break;
		case HOUR_UP:
			Clock.hour=MaxMinChangeProtect(Clock.hour, 1, 23, 0, 0);
			break;
		case HOUR_DOWN:
			Clock.hour=MaxMinChangeProtect(Clock.hour, -1, 23, 0, 0);
			break;
		default:
			Clock.hour=hour;
			break;
	}
	switch(min)
	{
		case MIN_KEEP:
			break;
		case MIN_UP:
			Clock.min=MaxMinChangeProtect(Clock.min, 1, 59, 0, 0);
			break;
		case MIN_DOWN:
			Clock.min=MaxMinChangeProtect(Clock.min, -1, 59, 0, 0);
			break;
		default:
			Clock.min=min;
			break;
	}
	Clock.sec=0;
	Hour24toHour12();
	Clock.update=1;
}

/*********************************************
	Function:		Hour24toHour12
	Description:	
	Write/Modify:	Perry.Liang
	Time:		2005-1-12- 14:10:23
*********************************************/
void Hour24toHour12(void)
{
	if(Clock.hour>11)
		Clock.pm=1;
	else
		Clock.pm=0;

	Clock.hour12=Clock.hour%12;
	if(Clock.hour12==0)
		Clock.hour12=12;
}
/*********************************************************
				File End
*********************************************************/