ili9161.c

1.77液晶显示屏（ILI9161）

#include <reg51.H>
#include <intrins.h>

#define _BUS  P1
sbit _WR=P3^3;
sbit _RS=P3^4;
sbit _CS=P3^5;
sbit _RD=P3^1;
sbit _RST=P3^0;

unsigned char code pic[]=
{


};


void  Delay(unsigned int t)
{
	unsigned int n,m;
	for(n=0;n<t;n++)
		for(m=0;m<300;m++);
}

void Write_Index(unsigned char id)
{
    _RD=1;
    _RS=0;
	_CS=0;

    _BUS=0x00;
    _WR=0;
	_nop_();
    _WR=1;

    _BUS=id;
    _WR=0;
	_nop_();
    _WR=1;

	_CS=1;
    return;
}

void Write_Data(unsigned char dat_h,unsigned char dat_l)
{
    _RD=1;
    _RS=1;
	_CS=0;

	_BUS=dat_h;
    _WR=0;
	_nop_();
    _WR=1;


	_BUS=dat_l;
    _WR=0;
	_nop_();
    _WR=1;

	_CS=1;
    return;
}

void Write_Register(unsigned char id,unsigned char  dat_h,unsigned char dat_l)
{
    Write_Index(id);
    Write_Data(dat_h,dat_l);
    return;
}

void Initial_LCD()
{
    _RST=0;
	Delay(50);
    _RST=1;
	Delay(200);



    Write_Register(0x56,0x00,0x00);// reduce power consumption
    Write_Register(0x52,0x00,0x02);// reduce power consumption
    Write_Register(0x00,0x00,0x01);// Start internal OSC.
    Write_Register(0x01,0x01,0x13);// set the display line number and display direction
    Write_Register(0x02, 0x07,0x00); // set 1 line inversion
    Write_Register(0x05, 0x00,0x30); // set GRAM write direction and BGR=1
    Write_Register(0x25, 0x00,0x00); // set 18-bit mask register
    Write_Register(0x26, 0x00,0x00); // set 18-bit mask register
    Write_Register(0x08, 0x02,0x02); // set the back/front porch number
    Write_Register(0x0A, 0x00,0x00); // set the transfer interface and transfer number
    Write_Register(0x0B, 0x00,0x00); // set the equalized and delay period to save power
    Write_Register(0x0C, 0x00,0x00); // set internal reference voltage REGP=VCI=2.8V
    Write_Register(0x0F, 0x00,0x00); // Set Gate scan start address
    Write_Register(0x21, 0x00,0x00); // set the writing start address of AC counter
    Write_Register(0x14, 0x9F,0x00); // set the display area
    Write_Register(0x16, 0x7F,0x00); // set the GRAM access area
    Write_Register(0x17, 0x9F,0x00); // set the GRAM access area
    Delay(50);
    Write_Register(0x03,0x00,0x00);
    Delay(10);
    Write_Register(0x09,0x00,0x00);
    Delay(10);
    Write_Register(0x0D,0x00,0x00);
    Delay(10);
    Write_Register(0x0E,0x00,0x00);
    Delay(10);
    //Please follow this power on sequence
    Write_Register(0x03,0x01,0x50); // enable charge-pump1 and VGH/VGL voltage
    Write_Register(0x09,0x00,0x44); // enable set the driving capability of source driver
	Delay(10); // Delay 10 ms
    Write_Register(0x0D,0x00,0x13); // set voltage VGAM1OUT=VCI*1.65
	Delay(40);
    Write_Register(0x0E,0x34,0x15); // set VCOMH and VCOM amplitude voltage

    // ---------- Adjust the Gamma 2.2 Curve -------------------
    Write_Register(0x30, 0x00,0x07);
    Write_Register(0x31, 0x07,0x07);
    Write_Register(0x32, 0x04,0x07);
    Write_Register(0x33, 0x01,0x02);
    Write_Register(0x34, 0x00,0x07);
    Write_Register(0x35, 0x00,0x00);
    Write_Register(0x36, 0x00,0x07);
    Write_Register(0x37, 0x07,0x03);
    Write_Register(0x3A, 0x03,0x06);
    Write_Register(0x3B, 0x07,0x0E);
    Write_Register(0x0021,0x00,0x00);

    Write_Register(0x07,0x00,0x37);//Display ON
    return;
}

void Display_Color(unsigned char dat_h,unsigned char dat_l)
{
    unsigned char i,j;
	Write_Register(0x21,0x00,0x00);
	Write_Index(0x22);
	for(i=0;i<0xa0;i++)
	{
	    for(j=0;j<0x80;j++)
		    Write_Data(dat_h,dat_l);
	} 
}

void Display_Picture(unsigned char pic[])
{
    register unsigned char  j;
    register unsigned int  i,tmp1=0;
	Write_Register(0x21,0x00,0x00);
	Write_Index(0x22);
    for(j=0;j<0xa0;j++)
	{
        for(i=0;i<256;i+=2)
		{
		    tmp1+=2;
            Write_Data(pic[tmp1],pic[tmp1+1]);
	    }
	}
    return;
}
/*
void Display_Grid(void)
{
    unsigned char i,j;
	Write_Register(0x21,0x00,0x00);
	Write_Index(0x22);
    for(j=0;j<0xa0;j++)
	{
        for(i=0;i<64;i++)
		{
            Write_Data(0x00,0x00);
            Write_Data(0xff,0xff);
	    }
	} 
    Delay(500);
    for(j=0;j<0xa0;j++)
	{
        for(i=0;i<64;i++)
		{
            Write_Data(0xff,0xff);
            Write_Data(0x00,0x00);
	    }
	} 
	Delay(500);
    for(j=0;j<0x50;j++)
	{
        for(i=0;i<128;i++)
            Write_Data(0xff,0xff);
        for(i=0;i<128;i++)
		    Write_Data(0x00,0x00);
	}
    Delay(500);
    for(j=0;j<0x50;j++)
	{
        for(i=0;i<128;i++)
            Write_Data(0x00,0x00);
        for(i=0;i<128;i++)
		    Write_Data(0xff,0xff);
	}
    Delay(500);
    return;
}
*/

void Display_Grid(void)
{
    unsigned char i,j,k;
	Write_Register(0x21,0x00,0x00);
	Write_Index(0x22);
    for(j=0;j<0x02;j++)
	{
        for(i=0;i<10;i++)
		{
		    for(k=0;k<128;k++)
            Write_Data(0x00,0x00);
	    }
        for(i=0;i<10;i++)
		{
			for(k=0;k<128;k++)
            Write_Data(0xff,0xff);
	    }
        for(i=0;i<10;i++)
		{
		    for(k=0;k<128;k++)
            Write_Data(0xf8,0x00);
	    }
        for(i=0;i<10;i++)
		{
		    for(k=0;k<128;k++)
            Write_Data(0xff,0xe0);
	    }
        for(i=0;i<10;i++)
		{
		    for(k=0;k<128;k++)
            Write_Data(0x07,0xe0);
	    }
        for(i=0;i<10;i++)
		{
		    for(k=0;k<128;k++)
            Write_Data(0x07,0xff);
	    }
        for(i=0;i<10;i++)
		{
		    for(k=0;k<128;k++)
            Write_Data(0x00,0x1f);
	    }
        for(i=0;i<10;i++)
		{
		    for(k=0;k<128;k++)
            Write_Data(0xf8,0x1f);
	    }
	} 
    return;
}

void main(void)
{
    Initial_LCD();
	while(1)
	{
	Display_Grid();
    Delay(500);
	Display_Picture(pic);
    Delay(500);
    Display_Color(0xf8,0x00);
    Delay(500);
    Display_Color(0x07,0xe0);
    Delay(500);
	Display_Color(0x00,0x1f);
    Delay(500);
	}
    return;
}