lcd.c

我自己写的士2410的320*240LCD测试程序

#include <string.h>
#include "2410addr.h"
#include "utils.h"
#include "def.h"
#include "lcdlib.h"
#include "lcd.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_320240(void);
void (*PutPixel)(U32,U32,U32);

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

void _PutTft8Bit_320240(U32 x,U32 y,U32 c)
{
    if(x<SCR_XSIZE_TFT_320240 && y<SCR_YSIZE_TFT_320240)
        frameBuffer8BitTft320240[(y)][(x)/4]=( frameBuffer8BitTft320240[(y)][x/4]
        & ~(0xff000000>>((x)%4)*8) ) | ( (c&0x000000ff)<<((4-1-((x)%4))*8) );
}

void Lcd_Port_Init(void)
{
	PutPixel=_PutTft8Bit_320240;  
    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]
    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_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++=0XE0;
}


void Test_Lcd_Tft_8Bit_320240(void)
{
  //  int i,j,k;
    Lcd_Palette8Bit_Init();
    Lcd_Port_Init();
    Lcd_Init320240();
    Lcd_PowerEnable(0, 1);
    Lcd_EnvidOnOff(1);
    printf("[TFT 256 COLOR(8bit/1pixel) LCD TEST]\n");
  //  Glib_ClearScr(0, MODE_TFT_8BIT_320240);
    rTPAL = (1<<24)|((0xff)<<0); // Enable Temporary Palette : Blue
    printf("TFT 256 color mode test 1. Press any key!\n"); 	
}