lcd12864l.c

UCOS_UCGUI_MDK_LPC2134的移植代码.rar

/*************************************************************************
* 	LCD		LPC2131	
	PIN4	RS		PIN40	P1.22
	PIN5	R/W		PIN36	P1.23
	PIN6	EN		PIN44	P1.21

	PIN7	DB0		PIN46	P0.16
	PIN8	DB1		PIN39	P0.13
	PIN9	DB2		PIN38	P0.12
	PIN10	DB3		PIN37	P0.11
	PIN11	DB4		PIN45	P0.15
	PIN12	DB5		PIN11	P0.27
	PIN13	DB6		PIN9	P0.25
	PIN14	DB7		PIN10	P0.26

	PIN15	CS1		PIN8	P1.18
	PIN16	CS2		PIN12	P1.17
	PIN17	/RST	PIN13	P0.28
*
*************************************************************************/
#include "config.h"

#define     LCD_RS 		(1<<22)
#define     SET_LCD_RS()  (IO1SET = LCD_RS)
#define     CLR_LCD_RS()  (IO1CLR = LCD_RS)

#define     LCD_RW 		(1<<23)
#define     SET_LCD_RW()  (IO1SET = LCD_RW)
#define     CLR_LCD_RW()  (IO1CLR = LCD_RW)

#define     LCD_EN 		(1<<21)
#define     SET_LCD_EN()  (IO1SET = LCD_EN)
#define     CLR_LCD_EN()  (IO1CLR = LCD_EN)

#define     LCD_DB0		(1<<16)
#define     SET_LCD_DB0() (IO0SET = LCD_DB0)
#define     CLR_LCD_DB0() (IO0CLR = LCD_DB0)

#define     LCD_DB1		(1<<13)
#define     SET_LCD_DB1() (IO0SET = LCD_DB1)
#define     CLR_LCD_DB1() (IO0CLR = LCD_DB1)

#define     LCD_DB2		(1<<12)
#define     SET_LCD_DB2() (IO0SET = LCD_DB2)
#define     CLR_LCD_DB2() (IO0CLR = LCD_DB2)

#define     LCD_DB3		(1<<11)
#define     SET_LCD_DB3() (IO0SET = LCD_DB3)
#define     CLR_LCD_DB3() (IO0CLR = LCD_DB3)

#define     LCD_DB4		(1<<15)
#define     SET_LCD_DB4() (IO0SET = LCD_DB4)
#define     CLR_LCD_DB4() (IO0CLR = LCD_DB4)

#define     LCD_DB5		(1<<27)
#define     SET_LCD_DB5() (IO0SET = LCD_DB5)
#define     CLR_LCD_DB5() (IO0CLR = LCD_DB5)

#define     LCD_DB6		(1<<25)
#define     SET_LCD_DB6() (IO0SET = LCD_DB6)
#define     CLR_LCD_DB6() (IO0CLR = LCD_DB6)

#define     LCD_DB7		(1<<26)
#define     SET_LCD_DB7() (IO0SET = LCD_DB7)
#define     CLR_LCD_DB7() (IO0CLR = LCD_DB7)

#define     LCD_CS1		(1<<18)
#define     SET_LCD_CS1() (IO1SET = LCD_CS1)
#define     CLR_LCD_CS1() (IO1CLR = LCD_CS1)

#define     LCD_CS2		(1<<17)
#define     SET_LCD_CS2() (IO1SET = LCD_CS2)
#define     CLR_LCD_CS2() (IO1CLR = LCD_CS2)

#define     LCD_RST		(1<<28)
#define     SET_LCD_RST() (IO0SET = LCD_RST)
#define     CLR_LCD_RST() (IO0CLR = LCD_RST)


void    OutData(uint8 OutDat)
{
	if( (OutDat&(1<<0)) != 0 ) {SET_LCD_DB0();} else {CLR_LCD_DB0();}
	if( (OutDat&(1<<1)) != 0 ) {SET_LCD_DB1();} else {CLR_LCD_DB1();}
	if( (OutDat&(1<<2)) != 0 ) {SET_LCD_DB2();} else {CLR_LCD_DB2();}
	if( (OutDat&(1<<3)) != 0 ) {SET_LCD_DB3();} else {CLR_LCD_DB3();}
	if( (OutDat&(1<<4)) != 0 ) {SET_LCD_DB4();} else {CLR_LCD_DB4();}
	if( (OutDat&(1<<5)) != 0 ) {SET_LCD_DB5();} else {CLR_LCD_DB5();}
	if( (OutDat&(1<<6)) != 0 ) {SET_LCD_DB6();} else {CLR_LCD_DB6();}
	if( (OutDat&(1<<7)) != 0 ) {SET_LCD_DB7();} else {CLR_LCD_DB7();}
}



TCOLOR  	gui_disp_buf[GUI_LCM_YMAX/8][GUI_LCM_XMAX];				// 声明GUI显示缓冲区


#define    	LCM_DISPON		0x3f
#define 	LCM_STARTROW	0xc0
#define		LCM_ADDRSTRX	0xb8
#define		LCM_ADDRSTRY	0x40

void	Delay5(void)
{
	uint8 i;
	for(i = 0;i <4;i++);
}


void 	LCM_WrCommand(uint8 command)
{
	CLR_LCD_EN();
	CLR_LCD_RS();
	OutData(command);
	Delay5();
	SET_LCD_EN();
	Delay5();
	CLR_LCD_EN();
	Delay5();
}

void	LCM_WrData(uint8 wrdata)
{
	CLR_LCD_EN();
	SET_LCD_RS();
	OutData(wrdata);
	Delay5();
	SET_LCD_EN();
	Delay5();
	CLR_LCD_EN();
	Delay5();
}

void	LCM_WriteByte(uint8 x,uint8 y,uint8 wrdata)
{
	x = x&0x7f;
	y = y&0x3f;

	CLR_LCD_CS1();
	CLR_LCD_CS2();

	y = y>>3;
	gui_disp_buf[y][x] = wrdata;

	if(x<64)
	{
		SET_LCD_CS1();
	}
	else
	{
		SET_LCD_CS2();
		x= x - 64;
	}

	LCM_WrCommand(LCM_ADDRSTRY+x);
	LCM_WrCommand(LCM_ADDRSTRX+y);
	LCM_WrData(wrdata);
}

uint8 	LCM_ReadByte(uint8 x,uint8 y)
{
	x = x&0x7f;
	y = y&0x3f;

	y = y>>3;
	return(gui_disp_buf[y][x]);
}

void    LCM_DispFill(uint8 filldata)
{
    uint8 x,y;
    SET_LCD_CS1();
    SET_LCD_CS2();
    LCM_WrCommand(LCM_STARTROW);
    for(x = 0;x < 8;x++)
    {
        LCM_WrCommand(LCM_ADDRSTRX+x);
        LCM_WrCommand(LCM_ADDRSTRY);
        for(y = 0;y < 64;y++)
        {
            LCM_WrData(filldata);
        }
    }
    CLR_LCD_CS1();
    CLR_LCD_CS2();
}


void    LCM_DispIni(void)
{
    uint32 i;
    //P0引脚设置
    P0_GPIOInit(LCD_DB0,1);
    P0_GPIOInit(LCD_DB1,1);
    P0_GPIOInit(LCD_DB2,1);
    P0_GPIOInit(LCD_DB3,1);
    P0_GPIOInit(LCD_DB4,1);
    P0_GPIOInit(LCD_DB5,1);
    P0_GPIOInit(LCD_DB6,1);
    P0_GPIOInit(LCD_DB7,1);
    P0_GPIOInit(LCD_RST,1);

    //P1引脚设置
    PINSEL2 &= (~(1<<3));
    IO1DIR |= (LCD_RS|LCD_RW|LCD_CS1|LCD_CS2|LCD_EN);

    CLR_LCD_RST();
    for(i = 0;i < 5000;i++);
    SET_LCD_RST();
    for(i = 0;i < 5000;i++);

    SET_LCD_CS1();
    SET_LCD_CS2();
    LCM_WrCommand(LCM_DISPON);
    LCM_WrCommand(LCM_STARTROW);
    LCM_WrCommand(LCM_ADDRSTRX);
    LCM_WrCommand(LCM_ADDRSTRY);
}

void    GUI_FillSCR(TCOLOR dat)
{
    uint32 i,j;
    for(i = 0;i < (GUI_LCM_YMAX/8);i++)
    {
        for(j = 0;j < (GUI_LCM_XMAX);j++)
        {
            gui_disp_buf[i][j] = dat;
        }
    }
    LCM_DispFill(dat);
}


void    GUI_Initialize(void)
{
    LCM_DispIni();
    GUI_FillSCR(0x00);
}

uint8   GUI_Point(uint8 x,uint8 y,TCOLOR color)
{
    uint8 bak;
    if( x >= GUI_LCM_XMAX) return (0);
    if( y >= GUI_LCM_YMAX) return (0);

    bak = LCM_ReadByte(x,y);
    if(0==color)
    {
        bak &= (~(1<<(y&0x07)));
    }
    else
    {
        bak |= (1<<(y&0x07));
    }
    LCM_WriteByte(x,y,bak);
    return 1;
}

uint8 GUI_ReadPoint(uint8 x,uint8 y,TCOLOR *ret)
{
    uint8 bak;
    if( x >= GUI_LCM_XMAX) return (0);
    if( y >= GUI_LCM_YMAX) return (0);

    bak = LCM_ReadByte(x,y);
    if( (bak&(1<<(y&0x07))==0) )
    {
        *ret = 0x00;
    }
    else
    {
        *ret = 0x01;
    }

    return 1;
}

void   GUI_HLine(uint8 x0,uint8 y0,uint8 x1,TCOLOR color)
{
    uint8 bak;
    if(x0>x1)
    {
        bak = x1;
        x1  = x0;
        x0  = bak;
    }

    do
    {
        GUI_Point(x0,y0,color);
        x0++;
    }
    while(x1>=x0);
}

void   GUI_RLine(uint8 x0,uint8 y0,uint8 y1,TCOLOR color)
{
    uint8 bak;
    uint8 wr_dat;
    if(y0>y1)
    {
        bak = y1;
        y1  = y0;
        y0  = bak;
    }

    do
    {
        bak = LCM_ReadByte(x0,y0);
        if( (y0>>3) != (y1>>3) )
        {
            wr_dat = 0xff<<(y0&0x07);
            if(color)
            {
                wr_dat = bak | wr_dat;
            }
            else
            {
                wr_dat = ~wr_dat;
                wr_dat = bak & wr_dat;
            }
            LCM_WriteByte(x0,y0,wr_dat);
            y0 = (y0 + 8) & 0x38;
        }
        else
        {
            wr_dat = 0xff << (y0&0x07) ;
            wr_dat = wr_dat & (0xff>>(7-(y1&0x07)));
            if(color)
            {
                wr_dat = bak | wr_dat;
            }
            else
            {
                wr_dat = ~wr_dat;
                wr_dat = bak & wr_dat;
            }
            LCM_WriteByte(x0,y0,wr_dat);
            return;
        }
    }
    while(y1>=y0);
}


void    GUI_ClearSCR(void)
{
    LCM_DispFill(0x00);
}