copy of main.c

LCM-12864汉字液晶显示驱动程序

		{
			delayMs(10);
			if (scanKey1())
			{
				key1Check = key1Save;
				if ((key1Check & 0x01) == 0)
				{
					procKey();
				}
			}
		}	
	}
}

//===============================================
bit scanKey1 (void)
{
	key1Save = 0x00;
	key1Save |= KEY1;
	return (key1Save ^ key1Check);
}
//===============================================
void procKey (void)
{
	lcdClear();
	dispString(0, 0, 1, "系┃1:背光2:声响");
	dispString(1, 0, 1, "统┃3:日历4:温控");
	dispString(2, 0, 1, "设┃5:机控6:通讯");
	dispString(3, 0, 1, "置┃7:其他8:关于");
	
	beepBl();	
	key1Times++;
	if (key1Times == 9)
	{
		key1Times = 1;
	}

	switch(key1Times)
	{
		case 1: convertChar(0, 2, 6);
				break;
		case 2:	convertChar(0, 5, 6);
				break;
		case 3: convertChar(1, 2, 6);
				break;
		case 4: convertChar(1, 5, 6);
				break;
		case 5: convertChar(2, 2, 6);
				break;
		case 6: convertChar(2, 5, 6);
				break;
		case 7: convertChar(3, 2, 6);
				break;
		case 8:	convertChar(3, 5, 6);
				break;
	}
}
//===============================================
void lcdInit (void)
{
	MPU_RESET = LOW;
	delayMs(40);
	MPU_RESET = HIGH;
	delayMs(1);
	MPU_PS_CH = HIGH;

	lcdWriteCommand(cFunctionSetE);
	lcdWriteCommand(cFunctionSetB);
	lcdClear();
	lcdWriteCommand(cEntryModeSet);
	lcdWriteCommand(cDisplayOnCtrl);
}
//===============================================
void lcdClear (void) 
{
	lcdWriteCommand(cClearDisplay);
}
//===============================================
void lcdWriteCommand (uchar Command) 
{
	checkLcdBusy();
	MPU_RS_CH = LOW;
	MPU_RW_CH = LOW;
	LCD_DATA = Command;
	MPU_ENABLE = HIGH;
	delayMs(1);
	MPU_ENABLE = LOW;
}

//===============================================
void lcdWriteData (uchar Data) 
{
	checkLcdBusy();
	MPU_RS_CH = HIGH;
	MPU_RW_CH = LOW;
	LCD_DATA = Data;
	MPU_ENABLE = HIGH;
	delayMs(1);
	MPU_ENABLE = LOW;
}
//===============================================
void checkLcdBusy (void) 
{
	LCD_DATA = 0xff;
	MPU_RS_CH = LOW;
	MPU_RW_CH = HIGH;
	MPU_ENABLE = HIGH;
	while (BUSY_FLAG);
	MPU_ENABLE = LOW;
}
//===============================================
void displayPhoto (uchar *bmp, uchar bmpCls) 
{
	lcdPosX = 0x80;
	halfScr = 2;
	
	for (;halfScr != 0; halfScr--)
	{
		lcdPosY = 0x80;
		halfLineCnt = 32;
		
		for (;halfLineCnt != 0; halfLineCnt--)
		{
			basicBlock = 16;
			wrPosition ();
			
			for (; basicBlock != 0; basicBlock--)
			{
				if (bmpCls == OFF)
				{
					lcdWriteData (*bmp++);
				}
				else if (bmpCls == ON)
				{
					lcdWriteData (0x00);
				}
			}
			lcdPosY++;
		}
		lcdPosX = 0x88;
	}
	lcdWriteCommand(cFuncDrawOn);
	lcdWriteCommand(cFunctionSetB);
}
//===============================================
void convertChar (uchar CX, CY, width) 
{
	displayPhoto(OFF,ON);
	lcdPosY = 0x80;

	if (CX == 0)
	{
		CX = 0x80;
		halfLineCnt = 16;
	}
	else if (CX == 1)
	{
		CX = 0x80;
		halfLineCnt = 32;
	}
	else if (CX == 2)
	{
		CX = 0x88;
		halfLineCnt = 16;
	}
	else if (CX == 3)
	{
		CX = 0x88;
		halfLineCnt = 32;
	}
	lcdPosX = CX + CY;
	
    for (; halfLineCnt != 0; halfLineCnt--)
	{
		basicBlock = width;
		wrPosition();
	
		for (;basicBlock != 0; basicBlock--)
		{
			if (halfLineCnt > 16)
			{
				lcdWriteData(0x00);
			}
			else
			{
				lcdWriteData (0xff);
			}
		}
		lcdPosY++;
	}

	lcdWriteCommand(cFuncDrawOn);
	lcdWriteCommand(cFunctionSetB);
}
//===============================================
void wrPosition (void) 
{
	lcdWriteCommand(cFunctionSetE);
	lcdWriteCommand(lcdPosY);
	lcdWriteCommand(lcdPosX);
	lcdWriteCommand(cFunctionSetB);
}
//===============================================
void dispString (uchar X, Y, speed, uchar *msg) 
{
	if (X == 0)
	{
		X = 0x80;
	}
	else if (X == 1)
	{
		X = 0x90;
	}
	else if (X == 2)
	{
		X = 0x88;
	}
	else if (X == 3)
	{
		X = 0x98;
	}
	Y = X + Y;
	lcdWriteCommand(Y);
	while (*msg)
	{
		lcdWriteData(*msg++);
		delayMs(speed);
	}
}
//===============================================
void beepBl (void)
{
	uchar i;
	for (i = 0; i < 100; i++)
	{
		delayMs (2);
		BEEP = !BEEP;
	}
	BEEP = 1;
}
//===============================================
void delayMs (uchar ms) 
{
	uchar i;
	while (--ms)
	{
		for (i = 0; i < 125; i++);
	}
}
//===============================================
void delaySec (uchar sec) 
{
	uchar i;
	while (--sec)
	{
		for (i = 0; i < 200; i++)
		{
			delayMs (6);
		}
	}
}
//===============================================