?? lcd.c

?? arm_s3c2410無操作系統的源碼－－－寫linux驅動的好資料
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#include <string.h>
#include "2410addr.h"
#include "2410lib.h"
#include "def.h"
#include "lcdlib.h"
#include "glib.h"
#include "lcd.h"
#include ".\bmp\DEMO256.h"


void Lcd_Port_Init(void);
void Lcd_Port_Return(void);
void Lcd_Palette1Bit_Init(void);
void Lcd_Palette8Bit_Init(void);
void __irq Lcd_Int_Frame(void);
void __irq Lcd_Int_Fifo(void);
void __irq Lcd_Int_Fifo_640480(void);

unsigned save_rGPCUP,save_rGPCDAT,save_rGPCCON;
unsigned save_rGPDUP,save_rGPDDAT,save_rGPDCON; 
unsigned lcd_count;

void Lcd_Port_Init(void)
{
    save_rGPCCON=rGPCCON;
    save_rGPCDAT=rGPCDAT;
    save_rGPCUP=rGPCUP;
    save_rGPDCON=rGPDCON;
    save_rGPDDAT=rGPDDAT;
    save_rGPDUP=rGPDUP;
    rGPCUP=0xffffffff; // Disable Pull-up register
    rGPCCON=0xaaaaaaaa; //Initialize VD[7:0],LCDVF[2:0],VM,VFRAME,VLINE,VCLK,LEND 
    rGPDUP=0xffffffff; // Disable Pull-up register
    rGPDCON=0xaaaaaaaa; //Initialize VD[23:8]
    Uart_Printf("Initializing GPIO ports..........\n");
}

void Lcd_Port_Return(void)
{
    rGPCCON=save_rGPCCON;
    rGPCDAT=save_rGPCDAT;
    rGPCUP=save_rGPCUP;
    rGPDCON=save_rGPDCON;
    rGPDDAT=save_rGPDDAT;
    rGPDUP=save_rGPDUP;
}

void Lcd_Palette1Bit_Init(void)
{
    U32 *palette;
    palette=(U32 *)PALETTE;
    *palette++=0x0; // Black
    *palette=0xffff; // White
}

void Lcd_Palette8Bit_Init(void)
{
    int i;	
    U32 *palette;
    rLCDCON5|=(1<<11); // 5:6:5 Palette Setting
    palette=(U32 *)PALETTE;
    for(i=0;i<256;i++)
	*palette++=DEMO256pal[i];
}


void __irq Lcd_Int_Frame(void)
{
    rLCDINTMSK|=3; // Mask LCD SUB Interrupt

    // GPG4 is .... 
    rGPGDAT&=(~(1<<4)); // GPG4=Low
    Delay(50); // GPG4=Low
    rGPGDAT|=(1<<4); //GPG4=High

    rLCDSRCPND=2; // Clear LCD SUB Interrupt source pending
    rLCDINTPND=2; // Clear LCD SUB Interrupt pending
    rLCDINTMSK&=(~(2)); // Unmask LCD FRAME Interrupt
    ClearPending(BIT_LCD);
}


//240320
void __irq Lcd_Int_Fifo(void)
{
    rLCDINTMSK|=3; // Mask LCD SUB Interrupt

    if((lcd_count%20)==0) Uart_Printf("\n");
    Uart_Printf(".");
    lcd_count++;

    rLCDSRCPND=1; // Clear LCD SUB Interrupt source pending
    rLCDINTPND=1; // Clear LCD SUB Interrupt pending
    rLCDINTMSK&=(~(1)); // Unmask LCD FRAME Interrupt
    ClearPending(BIT_LCD);
}

void Test_Lcd_Stn_1Bit(void)
{
    int i,j;
    Lcd_Port_Init();
    Lcd_Init(MODE_STN_1BIT);
    Glib_Init(MODE_STN_1BIT);
    Lcd_EnvidOnOff(1); // Enable ENVID Bit
    Uart_Printf("[STN Mono(1bit/1pixel) LCD Test]\n");              

    Glib_ClearScr(0, MODE_STN_1BIT);
    for(j=0;j<LCD_YSIZE_STN;j+=16)
		for(i=0;i<LCD_XSIZE_STN;i+=16)
		    Glib_FilledRectangle(i,j,i+15,j+15,((j+i)/16)%2);
    Uart_Printf("STN Mono test 1. Press any key!\n");
    Uart_Getch();  	

    Glib_ClearScr(0, MODE_STN_1BIT);
    Glib_FilledRectangle(160,0,319,239,1);    //Half Screen
    Uart_Printf("STN Mono test 2. Press any key!\n");
    Uart_Getch();  	

    Glib_ClearScr(0, MODE_STN_1BIT); 
    Glib_Rectangle(0,0,319,239,1);   // #0
    Glib_Line(0,0,319,239,1);        // 00
    Glib_Line(0,239,319,0,1);

    Glib_Rectangle(0+320,0,319+320,239,1);   // 0#
    Glib_Line(0+320,0,319+320,239,1);        // 00
    Glib_Line(0+320,239,319+320,0,1);
    Glib_FilledRectangle(50+320,50,269+320,189,1);

    Glib_Rectangle(0,0+240,319,239+240,1);   // 00
    Glib_Line(0,0+240,319,239+240,1);        // #0
    Glib_Line(0,239+240,319,0+240,1);
    Glib_FilledRectangle(50,50+240,269,189+240,1);
    
    Glib_Rectangle(0+320,0+240,319+320,239+240,1);   // 00	
    Glib_Line(0+320,0+240,319+320,239+240,1);        // 0#
    Glib_Line(0+320,239+240,319+320,0+240,1);
    Glib_Rectangle(50+320,50+240,269+320,189+240,1);

    Uart_Printf("Virtual Screen Test(STN Mono). Press any key[ijkm\\r]!\n");
    MoveViewPort(MODE_STN_1BIT);
    Lcd_MoveViewPort(0,0,MODE_STN_1BIT);
    Lcd_EnvidOnOff(0); // Disable ENVID Bit
    Lcd_Port_Return();
}


void Test_Lcd_Stn_2Bit(void)
{
    int i,j,k;
    Lcd_Port_Init();
    Lcd_Init(MODE_STN_2BIT);
    Glib_Init(MODE_STN_2BIT);
    Lcd_EnvidOnOff(1); // Enable ENVID Bit
    Uart_Printf("[STN 4 gray(2bit/1pixel) LCD Test]\n");

    Glib_ClearScr(0, MODE_STN_2BIT);
    j=0;
    for(i=0;i<320;i+=80)
        Glib_FilledRectangle(0+i,0,79+i,239,j++);
    Uart_Printf("4 gray mode test 1. Press any key!\n");
    Uart_Getch();  	

    Glib_ClearScr(0, MODE_STN_2BIT);
    j=0;
    for(i=0;i<320;i+=80)
    {
    	Glib_FilledRectangle(0+i,0,79+i,119,j);
    	Glib_FilledRectangle(0+i,120,79+i,239,3-j);
    	j++;
    }
    Uart_Printf("4 gray mode test 2. Press any key!\n");
    Uart_Getch();  	

    Glib_ClearScr(0, MODE_STN_2BIT);
    j=0;
    for(i=0;i<240;i+=60)
    {
    	Glib_FilledRectangle(i,i,i+59,i+59,j);
    	j++;
    }
    Uart_Printf("4 gray mode test 3. Press any key!\n");
    Uart_Getch();  	

    Glib_ClearScr(0, MODE_STN_2BIT);
    k=0;
    for(i=160;i<480;i+=80)
    {
    	for(j=120;j<360;j+=60)
    	{
    	    Glib_FilledRectangle(i,j,i+79,j+59,k%4);
    	    k++;
    	}
    	k+=2;;
    }

    // #0
    // 00
    Glib_Rectangle(0,0,319,239,3);   
    Glib_Line(0,0,319,239,3);        
    Glib_Line(0,239,319,0,3);

    // 0#
    // 00
    Glib_Rectangle(0+320,0,319+320,239,3);          
    Glib_Line(0+320,0,319+320,239,3);        
    Glib_Line(0+320,239,319+320,0,3);

    // 00
    // #0
    Glib_Rectangle(0,0+240,319,239+240,3);          
    Glib_Line(0,0+240,319,239+240,3);        
    Glib_Line(0,239+240,319,0+240,3);

    // 00
    // 0#
    Glib_Line(0+320,0+240,319+320,239+240,3);        
    Glib_Line(0+320,239+240,319+320,0+240,3);
    Glib_Rectangle(50+320,50+240,269+320,189+240,3);

    Uart_Printf("Virtual Screen Test(STN 4 gray). Press any key[ijkm\\r]!\n");
    MoveViewPort(MODE_STN_2BIT);
    Lcd_MoveViewPort(0,0,MODE_STN_2BIT);
    Lcd_EnvidOnOff(0); // Disable ENVID Bit
    Lcd_Port_Return();
}


void Test_Lcd_Stn_4Bit(void)
{
    int i,j,k;
    Lcd_Port_Init();
    Lcd_Init(MODE_STN_4BIT);
    Glib_Init(MODE_STN_4BIT);
    Lcd_EnvidOnOff(1);
    Uart_Printf("[STN 16 gray(4bit/1pixel) LCD Test]\n");

    Glib_ClearScr(0, MODE_STN_4BIT);
    j=0;
    for(i=0;i<320;i+=20)
        Glib_FilledRectangle(0+i,0,19+i,239,j++);
    Uart_Printf("16 gray mode test 1. Press any key!\n");
    Uart_Getch();  	

    Glib_ClearScr(0, MODE_STN_4BIT);
    j=0;
    for(i=0;i<320;i+=20)
    {
    	Glib_FilledRectangle(0+i,0,19+i,119,j);
    	Glib_FilledRectangle(0+i,120,19+i,239,15-j);
    	j++;
    }
    Uart_Printf("16 gray mode test 2. Press any key!\n");
    Uart_Getch();  	


    Glib_ClearScr(0, MODE_STN_4BIT);
    j=0;
    for(i=0;i<240;i+=30)
    {
    	Glib_FilledRectangle(i,i,i+29,i+29,j);
    	Glib_FilledRectangle(i+110,i,i+29+110,i+29,j+8);
    	j++;
    }
    Uart_Printf("4 gray mode test 3. Press any key!\n");
    Uart_Getch();  	 


    Glib_ClearScr(0, MODE_STN_4BIT);
    k=0;
    for(i=160;i<480;i+=40)
    	for(j=120;j<360;j+=30)
    	{
    	    Glib_FilledRectangle(i,j,i+39,j+29,k%16);
    	    k++;
    	}
    		    
    // #0		    
    // 00		    
    Glib_Rectangle(0,0,319,239,15);   
    Glib_Line(0,0,319,239,15);        
    Glib_Line(0,239,319,0,15);

    // 0#
    // 00
    Glib_Rectangle(0+320,0,319+320,239,15);
    Glib_Line(0+320,0,319+320,239,15);        
    Glib_Line(0+320,239,319+320,0,15);

    // 00
    // #0
    Glib_Rectangle(0,0+240,319,239+240,15);
    Glib_Line(0,0+240,319,239+240,15);        
    Glib_Line(0,239+240,319,0+240,15);

    // 00
    // 0#
    Glib_Rectangle(0+320,0+240,319+320,239+240,15);
    Glib_Line(0+320,0+240,319+320,239+240,15);     
    Glib_Line(0+320,239+240,319+320,0+240,15);
    Glib_Rectangle(50+320,50+240,269+320,189+240,15);

    Uart_Printf("Virtual Screen Test(STN 16 gray). Press any key[ijkm\\r]!\n");
    MoveViewPort(MODE_STN_4BIT);
    Lcd_MoveViewPort(0,0,MODE_STN_4BIT);
    Lcd_EnvidOnOff(0);
    Lcd_Port_Return();
}


void Test_Lcd_Cstn_8Bit(void)
{
    int i,j,k;
    Lcd_Port_Init();
    Lcd_Init(MODE_CSTN_8BIT);
    Glib_Init(MODE_CSTN_8BIT);
    Lcd_CstnOnOff(1); // Enable ENVID Bit and GPB5 output
    Uart_Printf("[CSTN 256 COLOR(8bit/1pixel) LCD TEST]\n");
    Uart_Printf("     R:0   ...    7 \n");
    Uart_Printf("G:0  B0:1 B0:1 B0:1 \n");
    Uart_Printf("G:.   2:3  2:3  2:3 \n");
    Uart_Printf("G:.  B0:1 B0:1 B0:1 \n");
    Uart_Printf("G:.   2:3  2:3  2:3 \n");
    Uart_Printf("G:.  B0:1 B0:1 B0:1 \n");
    Uart_Printf("G:7   2:3  2:3  2:3 \n");

    
    Glib_ClearScr(0, MODE_CSTN_8BIT);
    for(j=0;j<240;j++)
		for(i=0;i<320;i++) //RRRGGGBB
		    PutPixel(i,j,((i/40)<<5)+((j/30)<<2)+(((j/15)%2)<<1)+((i/20)%2));
    Uart_Printf("CSTN 256 color mode test 1. Press any key!\n");
    Uart_Getch();  	
  
    Glib_ClearScr(0, MODE_CSTN_8BIT);
    k=0;
    for(i=160;i<480;i+=20)
    	for(j=120;j<360;j+=15)
    	{
    	    Glib_FilledRectangle(i,j,i+19,j+14,k);
    	    k++;
    	}

    // #0		    
    // 00		    
    Glib_Rectangle(0,0,319,239,255);   
    Glib_Line(0,0,319,239,255);        
    Glib_Line(0,239,319,0,255);

    // 0#
    // 00
    Glib_Rectangle(0+320,0,319+320,239,255);
    Glib_Line(0+320,0,319+320,239,255);        
    Glib_Line(0+320,239,319+320,0,255);

    // 00
    // #0
    Glib_Rectangle(0,0+240,319,239+240,255);
    Glib_Line(0,0+240,319,239+240,255);        
    Glib_Line(0,239+240,319,0+240,255);

    // 00
    // 0#
    Glib_Rectangle(0+320,0+240,319+320,239+240,255);
    Glib_Line(0+320,0+240,319+320,239+240,255);     
    Glib_Line(0+320,239+240,319+320,0+240,255);
    Glib_Rectangle(50+320,50+240,269+320,189+240,255);

    Uart_Printf("Virtual Screen Test(CSTN 256 color). Press any key[ijkm\\r]!\n");
    MoveViewPort(MODE_CSTN_8BIT);
    Lcd_MoveViewPort(0,0,MODE_CSTN_8BIT);
    Lcd_CstnOnOff(0); // Disable ENVID Bit and GPB5 output
    Lcd_Port_Return();
}


void Test_Lcd_Cstn_8Bit_On(void)
{
    int i,j;
    Lcd_Port_Init();
    Lcd_Init(MODE_CSTN_8BIT);
    Glib_Init(MODE_CSTN_8BIT);
    Lcd_CstnOnOff(1); // Enable ENVID Bit and GPB5 output
    Uart_Printf("[CSTN LCD(8bit/1pixel) WILL BE TURNED ON EVEN DURING OTHER TEST]\n");
    Uart_Printf("If you'd like to off the CSTN LCD, then excute other LCD test program,\n");     
    for(j=0;j<240;j++)
	for(i=0;i<320;i++)	//RRRGGGBB
	    PutPixel(i,j,((i/40)<<5)+((j/30)<<2)+(((j/15)%2)<<1)+((i/20)%2));
}


void Test_Lcd_Cstn_12Bit(void)
{
    int i,j,k;
    Lcd_Port_Init();
    Lcd_Init(MODE_CSTN_12BIT);
    Glib_Init(MODE_CSTN_12BIT);
    Lcd_CstnOnOff(1); // Enable ENVID Bit and GPB5 output
    Uart_Printf("[CSTN 4K COLOR(12bit/1pixel) LCD TEST]\n");
    Uart_Printf("R:0 ...    16\n");
    Uart_Printf("G:0 ...    16\n");
    Uart_Printf("B:0 ...    16\n");
 
    Glib_ClearScr(0, MODE_CSTN_12BIT);
    k=0;
    for(j=0;j<240;j+=80)
        for(i=0;i<320;i+=20)
		{   
	 	   if((k<16)|(k>31))
		    {
		        Glib_FilledRectangle(i,j,i+19,j+79,((k%16)<<(4*(k/16))));
		        k++;
		    }
		    else
		    {
		        Glib_FilledRectangle(i,j,i+19,j+79,((k-(1+2*(k%16)))<<(4*(k/16))));
		        k++;
		    }
		}
    Uart_Printf("CSTN 4K color mode test 1. Press any key!\n");
    Uart_Getch();  	

    Glib_ClearScr(0, MODE_CSTN_12BIT);
    for(j=0;j<240;j++)
		for(i=0;i<320;i++)
		    PutPixel(i,j,((i/40)<<9)+((j/30)<<5)+(((j/15)%2)<<1)+((i/20)%2));
    Uart_Printf("CSTN 4K color mode test 2. Press any key!\n");
    Uart_Getch();  	

    Glib_ClearScr(0, MODE_CSTN_12BIT);
    k=0;
    for(i=160;i<480;i+=20)
    	for(j=120;j<360;j+=15)
    	{
    	    Glib_FilledRectangle(i,j,i+19,j+14,(((k&0xf)<<8)|((k%4)<<4)|(k&0xf0)) );
    	    k++;
    	}
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