lcdlibc.txt

三星2410源代码

#include <stdarg.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>

#include "2410addr.h"
#include "def.h"
#include "lcdlib.h"




//TFT 320240
U32 (*frameBuffer24BitTft320240)[SCR_XSIZE_TFT_320240];
U32 LCDBASEU;



void Lcd_Port_Init(void)
{
 
    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_Init()
{	
	
	#define USB_TEST    (*(volatile unsigned *)0x49000000)
	unsigned long test;
	
	frameBuffer24BitTft320240=(U32 (*)[SCR_XSIZE_TFT_320240])LCDFRAMEBUFFER;
	rLCDCON1=(CLKVAL_TFT_800480<<8)|(MVAL_USED<<7)|(3<<5)|(13<<1)|0;
    rLCDCON2=(VBPD_320240<<24)|(239<<14)|(VFPD_320240<<6)|(VSPW_320240);
	rLCDCON3=(HBPD_320240<<19)|(HOZVAL_TFT_320240<<8)|(HFPD_320240);
	rLCDCON4=(MVAL<<8)|(HSPW_320240);
	rLCDCON5=(1<<12)|(1<<11)|(1<<10)|(1<<9)|(1<<8)|(0<<7)|(0<<1);	//FRM5:6:5,HSYNC and VSYNC are inverted (and pwren signal enable)
	rLCDSADDR1=(((U32)frameBuffer24BitTft320240>>22)<<21)|M5D((U32)frameBuffer24BitTft320240>>1);
	test = (((U32)frameBuffer24BitTft320240>>22)<<21)|M5D((U32)frameBuffer24BitTft320240>>1);
	rLCDSADDR2=M5D((U32)frameBuffer24BitTft320240>>1)+(PAGEWIDTH+OFFSIZE)*(LINEVAL_TFT_320240+1);
	rLCDSADDR3=PAGEWIDTH<<11|OFFSIZE;
	rLCDINTMSK|=(3); // MASK LCD Sub Interrupt
	rLPCSEL&=(~7); // Disable LPC3600
	rTPAL=0; // Disable Temp Palette
}



void Lcd_EnvidOnOff(int onoff)
{
    if(onoff==1)
	rLCDCON1|=1; // ENVID=ON
    else
	rLCDCON1 =rLCDCON1 & 0x3fffe; // ENVID Off
}    


void Lcd_Lpc3600Enable(void)
{
	rLPCSEL&=~(7);
	rLPCSEL|=7; // 320240,Enable LPC3600
}

void Lcd_Lpc3600Disable(void)
{
    rLPCSEL&=~(7); // 320240,Disable LPC3600
}    


void Lcd_PowerEnable(int invpwren,int pwren)
{
    //GPG4 is setted as LCD_PWREN
    rGPGUP=rGPGUP&(~(1<<4))|(1<<4); // Pull-up disable
    rGPGCON=rGPGCON&(~(3<<8))|(3<<8); //GPG4=LCD_PWREN
    //Enable LCD POWER ENABLE Function
    rLCDCON5=rLCDCON5&(~(1<<3)|(pwren<<3));   // PWREN
    rLCDCON5=rLCDCON5&(~(1<<5))|(invpwren<<5);   // INVPWREN
}    



void MoveViewPort()
{
    int vx=0,vy=0,vd;
    vd=(MODE_TFT_16BIT_320240)*1;
            
    while(1)
    {
    	switch(Uart_Getch())
    	{
    	case 'i':
	    if(vy>=vd)vy-=vd;    	   	
        break;

    	case 'j':
    	    if(vx>=vd)vx-=vd;
    	break;

    	case 'k':
	
                if(vx<=(SCR_XSIZE_TFT_320240-LCD_XSIZE_TFT_320240-vd))vx+=vd;   	    
   	    break;

    	case 'm':
	    
                if(vy<=(SCR_YSIZE_TFT_320240-LCD_YSIZE_TFT_320240-vd))vy+=vd;   	      
   	    break;

    	case '\r':
   	    return;

    	default:
	    break;
		}
	Uart_Printf("vx=%3d,vy=%3d\n",vx,vy);
	Lcd_MoveViewPort(vx,vy);
    }
}


void Lcd_MoveViewPort(int vx,int vy)
{
    U32 addr;  
  
    //SET_IF(); 
	#if (LCD_XSIZE_TFT_320240<32)
    	    while((rLCDCON1>>18)<=1); // if x<32
	#else	
    	    while((rLCDCON1>>18)==0); // if x>32
	#endif
        addr=(U32)frameBuffer24BitTft320240+(vx*2)+vy*(SCR_XSIZE_TFT_320240*2);
	rLCDSADDR1= ( (addr>>22)<<21 ) | M5D(addr>>1);
	rLCDSADDR2= M5D(((addr+(SCR_XSIZE_TFT_320240*LCD_YSIZE_TFT_320240*2))>>1));
	//CLR_IF();  
}    


void Uart_Send( char *c)
{
	for(;*c!='\0';c++)
	{
    /* wait for room in the tx FIFO on SERIAL1 */
    while(!(rUTRSTAT0 & 0x02));

    rUTXH0 = *c;
    }
}