dvdctrol.c

单片机51环境下的字库代码122*32点阵的液晶显示

#include "DVDCTRL.H"
#include "menu.h"
#include "lcd.h"
#include "AT89X51.H"
extern void delay(long time);
void DVDCtrl(unsigned char val,unsigned long time)
{
	P1=(P1&0x0f)+(val&0xf0);
	delay(100);
	P1=(P1&0x0f)+(CTRL_RELEASE&0xf0);
	delay(time);
}

void SetCtrlMode(unsigned char mode,unsigned char flag)
{
	unsigned char i;
	
	if(mode<0||mode>MenuSize[2])return;
	
	if((mode/2)==(CurMode/2))
	{
		CurSignal=CurSignal&0xfe+CurMode%2;	
		if(flag==0)return;
	}
	
	CurMode=mode;
	CHG_LED=0;

	LCDDrawText8("Loading      ",7,7 ,DrawType_Normal);
	DVDCtrl(CTRL_SET,3000);

	LCDClear();
	LCDDrawText8("Loading .    ",7,7 ,DrawType_Normal);
	DVDCtrl(CTRL_DOWN,1000);
	
	LCDDrawText8("Loading ..   ",7,7 ,DrawType_Normal);
	DVDCtrl(CTRL_OK,1000);

	LCDDrawText8("Loading ..   ",7,7 ,DrawType_Normal);
	DVDCtrl(CTRL_RIGHT,600);

	LCDDrawText8("Loading ...  ",7,7 ,DrawType_Normal);
	for(i=0;i<CurMode/2;i++)DVDCtrl(CTRL_DOWN,600);

	LCDDrawText8("Loading .... ",7,7 ,DrawType_Normal);
	DVDCtrl(CTRL_OK,600);

	LCDDrawText8("Loading .    ",7,7 ,DrawType_Normal);
	DVDCtrl(CTRL_SET,5000);	

	LCDDrawText8("Finish !      ",7,7 ,DrawType_Normal);
	CHG_LED=1;
}

void SetCtrlSignal(unsigned char sign,unsigned char flag)
{
	unsigned char i;
	if(sign<0||sign>MenuSize[1])CurSignal=CurMode%2;
	else CurSignal=sign*2+CurMode%2;

	CHG_LED=0;

	if(flag==1){
	LCDDrawText8("Loading      ",7,7 ,DrawType_Normal);
	DVDCtrl(CTRL_RETURN,700);
	LCDDrawText8("Loading .    ",7,7 ,DrawType_Normal);
	DVDCtrl(CTRL_RETURN,700);
	LCDDrawText8("Loading .    ",7,7 ,DrawType_Normal);
	DVDCtrl(CTRL_RETURN,700);
	}

	LCDDrawText8("Loading      ",7,7 ,DrawType_Normal);
	for(i=0;i<2;i++)DVDCtrl(CTRL_DOWN,200);

	LCDDrawText8("Loading .    ",7,7 ,DrawType_Normal);
	for(i=0;i<2;i++)DVDCtrl(CTRL_OK,600);

	LCDDrawText8("Loading ..   ",7,7 ,DrawType_Normal);
	for(i=0;i<CurSignal;i++)DVDCtrl(CTRL_DOWN,400);

	LCDDrawText8("Loading .    ",7,7 ,DrawType_Normal);
	DVDCtrl(CTRL_OK,800);

	LCDDrawText8("Finish !      ",7,7 ,DrawType_Normal);
	CHG_LED=1;
}

void ChgCtrlSignal(unsigned char sign)
{
	unsigned char i;
	sign=sign*2+CurMode%2;
	if(sign<0||sign>2*MenuSize[1])return;

	CHG_LED=0;
	if(sign<CurSignal)
	{
		LCDDrawText8("Loading       ",7,7 ,DrawType_Normal);		
		DVDCtrl(CTRL_RETURN,1200);

		LCDDrawText8("Loading .      ",7,7 ,DrawType_Normal);		
		for(i=0;i<CurSignal-sign;i++)DVDCtrl(CTRL_UP,400);

		LCDDrawText8("Loading ..     ",7,7 ,DrawType_Normal);
		DVDCtrl(CTRL_OK,700);
		CurSignal=sign;
	} 
	else if(sign>CurSignal)
	{
		LCDDrawText8("Loading       ",7,7 ,DrawType_Normal);
		for(i=0;i<sign-CurSignal;i++)DVDCtrl(CTRL_NEXT,600);
		CurSignal=sign;
	} 
	CHG_LED=1;
}