tl1763_16bit.c

该C程序详细介绍了基于TL1763控制器的LCD初始化及显示源代码.

// LCD controller: TL1763
// 240*320
// 16bit	 (8bit/16bit 是通过 硬件 来选择的!)
// IF: 8080
#define LCD_SIZE_X		240
#define LCD_SIZE_Y		320

// function prototype
void LCD_Reset(void) small;
void LCD_Write(U8 type, U16 value)  small;
void LCD_SendData(U16 value) small;
void Reg_Write(U16 reg,U16 value) small;
void LCD_SendCommand(U16 Command) small;
void LCD_SetRamAddr(U16 xStart, U16 xEnd, U16 yStart, U16 yEnd) small;
void LCD_SetRowColumn(U16 kColumn,U16 kRow) small;
void init_LCM_Controller(void);

/**************************************************************************************/
void LCD_Reset(void) small
{
	LCD_RST = 1;
	delay100us(200);
	LCD_RST = 0;
	delay100us(200);	// 100us 足够!
	LCD_RST = 1;
}
/**************************************************************************************/
void LCD_Write(U8 type, U16 value)  small
{
	U8 data_H, data_L;
//
	// 8bit
//	data_L 	= (U8)value;
//	data_H 	= (U8)(value>>8);
//	LCD_RS 	= type;    		// 0: command    1: data

//	// LCD_WR  = L;
//	// P1 	   = data_H;
//	// LCD_WR  = H;

//	LCD_WR  = L;
//	P1 	= data_L;
//	LCD_WR 	= H;

//  //P6800
//	LCD_RS 	= type;    	// 0: command    1: data
//	LCD_WR  = L;
//	LCD_RD	= H;
//	P2 	= value;
//	LCD_RD 	= L;  		// falling edge of the E

	// 16bit:
	data_L 	= (U8)value;
	data_H 	= (U8)(value>>8);
	LCD_RS 	= type;    	// 0: command    1: data
	LCD_WR  = L;
	P2 	= data_H;
	P1 	= data_L;
	LCD_WR 	= H;
}
/***************************************************************************/
void LCD_SendData(U16 value) small   // color data
{
   //16bit:
        LCD_Write(TYPE_LCD_DATA,value);

//     // 8bit:
//	U8 data_H,data_L;
//
//	data_H = (U8)(value >>8);
//	data_L = (U8)value;
//
//	LCD_Write(TYPE_LCD_DATA,data_H);
//	LCD_Write(TYPE_LCD_DATA,data_L);
}

/***************************************************************************/
void Reg_Write(U16 reg,U16 value) small
{
	LCD_Write(TYPE_LCD_COMMAND,reg);
	LCD_Write(TYPE_LCD_DATA,value);
}

/***************************************************************************/
void LCD_SendCommand(U16 Command) small
{
	LCD_Write(TYPE_LCD_COMMAND,Command);
}

/***************************************************************************/
void LCD_SetRamAddr(U16 xStart, U16 xEnd, U16 yStart, U16 yEnd) small
{
	// for TL1763  某些命令类似于3912 ...
	U16 HorPos;

	HorPos    = (U16)(xStart | (xEnd<<8));

	Reg_Write(0x46, HorPos);  	// xStart + xEnd
	Reg_Write(0x48, yStart); 	// yStart
	Reg_Write(0x47, yEnd);		// yEnd

	Reg_Write(0x20, xStart);   			// x start command
	Reg_Write(0x21, yStart);   			// y start command

	LCD_Write(TYPE_LCD_COMMAND,0x22);		// 0x22
}

/***************************************************************************/
void LCD_SetRowColumn(U16 kColumn,U16 kRow) small
{
	// for TL1763
	if(kRow < LCD_SIZE_Y)
		{
		Reg_Write(0x20, kColumn);     		// Ram Set command x (8bit)
		Reg_Write(0x21, kRow);			// Ram Set command y (9bit)
		LCD_Write(TYPE_LCD_COMMAND,0x22);
		}
}
/***************************************************************************/
void init_LCM_Controller(void)				// ok
{
	LCD_Reset();

	LCD_CS = H;
	LCD_RS = L;
	LCD_RD = H;
	LCD_WR = H;
	LCD_CS = L;

/*
	// 竖屏显示:
 	Reg_Write(0x00,0x0001);
	delay100us(100);   	//delay 10ms

 	Reg_Write(0x11,0x0111);
 	Reg_Write(0x12,0x100b);
 	Reg_Write(0x13,0x1430);
 	Reg_Write(0x10,0x5250);	// 0101 0010 0101 0000
	delay100us(500);    	//delay 50ms
 	Reg_Write(0x12,0x101b);	// 0000 0001 0000 0001
 	Reg_Write(0x13,0x3430);	// 0011 0100 0011 0000
	delay100us(200);   	//delay 200ms

 	Reg_Write(0x01,0x0100);
 	Reg_Write(0x02,0x0700);
 	Reg_Write(0x03,0x1030);
 	Reg_Write(0x04,0x0140);
 	Reg_Write(0x07,0x0001);
 	Reg_Write(0x08,0x0503);
 	Reg_Write(0x0b,0x0000);
 	Reg_Write(0x0c,0x0001);
 	Reg_Write(0x0e,0x0014);
 	Reg_Write(0xa1,0x1300);
 	Reg_Write(0xa4,0xa000);
 	Reg_Write(0xa2,0x0005);

        Reg_Write(0x30,0x0202);
        Reg_Write(0x31,0x0000);
        Reg_Write(0x32,0x0404);
        Reg_Write(0x33,0x0203);
        Reg_Write(0x34,0x0207);
        Reg_Write(0x35,0x0202);
        Reg_Write(0x36,0x0707);
        Reg_Write(0x37,0x0002);
        Reg_Write(0x38,0x0f00);
        Reg_Write(0x39,0x0002);

        Reg_Write(0x40,0x0000);
        Reg_Write(0x41,0x0000);
        Reg_Write(0x42,0x013f);
        Reg_Write(0x43,0x0000);
        Reg_Write(0x44,0x0000);
        Reg_Write(0x45,0x0000);
        Reg_Write(0x46,0xef00);
        Reg_Write(0x47,0x013f);
        Reg_Write(0x48,0x0000);
	delay100us(400);    		// delay 40ms
        Reg_Write(0x07,0x0021);		// Gate Scanning Start
	delay100us(400);    		// delay 40ms
        Reg_Write(0x07,0x0023);		// Source Output Start
	delay100us(400);    		// delay 40ms
        Reg_Write(0x07,0x0037);		// Dispaly ON
	delay100us(400);    		// delay 40ms
        Reg_Write(0x20,0x0000);
        Reg_Write(0x21,0x0000);
	LCD_Write(TYPE_LCD_COMMAND,0x22);// Display Data Write...
*/
	// 横屏显示
 	Reg_Write(0x00,0x0001);
	delay100us(100);   	//delay 10ms

 	Reg_Write(0x11,0x0112);
 	Reg_Write(0x12,0x100d);
 	Reg_Write(0x13,0x1434);
 	Reg_Write(0x10,0x1530);	// 0101 0010 0101 0000
	delay100us(500);    	//delay 50ms
 	Reg_Write(0x12,0x101d);	// 0000 0001 0000 0001
 	Reg_Write(0x13,0x3030);	// 0011 0100 0011 0000
	delay100us(200);   	//delay 200ms

 	Reg_Write(0x01,0x0000);
 	Reg_Write(0x02,0x0700);
 	Reg_Write(0x03,0x1038); //0x1030);
 	Reg_Write(0x04,0x0141);
 	Reg_Write(0x07,0x0005);
 	Reg_Write(0x08,0x0202);
 	Reg_Write(0x0b,0x0000);
 	Reg_Write(0x0c,0x0001);
 	Reg_Write(0x0e,0x0015);
 	Reg_Write(0xa1,0x1000);
 	Reg_Write(0xa4,0x7300);
 	Reg_Write(0xa2,0x000a);

        Reg_Write(0x30,0x0202);
        Reg_Write(0x31,0x0000);
        Reg_Write(0x32,0x0404);
        Reg_Write(0x33,0x0203);
        Reg_Write(0x34,0x0207);
        Reg_Write(0x35,0x0202);
        Reg_Write(0x36,0x0707);
        Reg_Write(0x37,0x0002);
        Reg_Write(0x38,0x0f00);
        Reg_Write(0x39,0x0002);

        Reg_Write(0x40,0x0000);
        Reg_Write(0x41,0x0000);
        Reg_Write(0x42,0x0140);
        Reg_Write(0x43,0x0000);
        Reg_Write(0x44,0x0000);
        Reg_Write(0x45,0x0000);
        Reg_Write(0x46,0xef00);
        Reg_Write(0x47,0x013f);
        Reg_Write(0x48,0x0000);
	delay100us(400);    		// delay 40ms
        Reg_Write(0x07,0x0021);		// Gate Scanning Start
	delay100us(400);    		// delay 40ms
        Reg_Write(0x07,0x0023);		// Source Output Start
	delay100us(400);    		// delay 40ms
        Reg_Write(0x07,0x0037);		// Dispaly ON
	delay100us(400);    		// delay 40ms
        Reg_Write(0x20,0x0000);
        Reg_Write(0x21,0x0000);
	LCD_Write(TYPE_LCD_COMMAND,0x22);// Display Data Write...
}