44blcd.c

简易彩色液晶键盘是带键盘的320*240 彩色液晶配合sw44b0综合测试程序。对于开发液晶键盘交互界面的驱动程序具有一定参考价值。

#include <string.h>
#include "..\inc\option.h"
#include "..\inc\def.h"
#include "..\inc\44b.h"
#include "..\inc\44blib.h"
#include "..\inc\lcd.h"
#include "..\inc\lcdlib.h"
#include "..\inc\44blcd.h"
#include "..\inc\PLMM1.h"
#include "..\inc\PLMM2.h"
#include "..\inc\PLMM3.h"
#include "..\inc\PLMM4.h"
#include "..\inc\PLMM5.h"

void displaylcd(unsigned char num);
void clrscreen(void);
void Lcd_MonoInit(void);

/*volatile char which_int=0;*/
void LcdInit(void)
{
 unsigned char i = 0;
  Lcd_MonoInit();
  Uart_Printf("开始 循环显示256 色图象\n");
  Uart_Printf("计算机键盘任意键退出!!!\n");	 
   clrscreen();
 while ( !Uart_GetKey())
 	{
    displaylcd(1);
    Delay(30000);
    displaylcd(2);
    Delay(17000);
    displaylcd(3);
    Delay(17000);
    displaylcd(4);
    Delay(17000);
    displaylcd(5);
    Delay(17000);
	 }
}




void Lcd_MonoInit(void)
{
          #define MVAL_USED 0
     if((U32)frameBuffer256==0)
	{
	    frameBuffer256=(unsigned int (*)[SCR_XSIZE/4])malloc(ARRAY_SIZE_COLOR); 
	}

	rLCDCON1=(0)|(2<<5)|(MVAL_USED<<7)|(0x3<<8)|(0x3<<10)|(CLKVAL_COLOR<<12);
	    // disable,8B_SNGL_SCAN,WDLY=8clk,WLH=8clk,
	rLCDCON2=(LINEVAL)|(HOZVAL_COLOR<<10)|(10<<21);  
	    //LINEBLANK=10 (without any calculation) 
	rLCDSADDR1= (0x3<<27) | ( ((U32)frameBuffer256>>22)<<21 ) | M5D((U32)frameBuffer256>>1);
	    // 256-color, LCDBANK, LCDBASEU
	rLCDSADDR2= M5D(((U32)frameBuffer256+(SCR_XSIZE*(LINEVAL+1)))>>1) | (MVAL<<21);
	rLCDSADDR3= (LCD_XSIZE/2) | ( ((SCR_XSIZE-LCD_XSIZE)/2)<<9 );

	//The following value has to be changed for better display.

	rREDLUT  =0xfdb97531;
	rGREENLUT=0xfdb97531;
	rBLUELUT =0xfb73;

	rDITHMODE=0x0;
	rDP1_2 =0xa5a5;      
	rDP4_7 =0xba5da65;
	rDP3_5 =0xa5a5f;
	rDP2_3 =0xd6b;
	rDP5_7 =0xeb7b5ed;
	rDP3_4 =0x7dbe;
	rDP4_5 =0x7ebdf;
	rDP6_7 =0x7fdfbfe;

	rLCDCON1=(1)|(2<<5)|(MVAL_USED<<7)|(0x3<<8)|(0x3<<10)|(CLKVAL_COLOR<<12);
}

void displaylcd(unsigned char num)
{
     unsigned int *pbuffer,temp_data;
     int i,j=0;
    pbuffer =(U32*) frameBuffer256;
    if (num == 1)
      {
          for(i=0,j=0;i<19200;i++,j=j+4)
              {
                pbuffer[i]=(plmmBitmap1[j]<<24)+(plmmBitmap1[j+1]<<16)+(plmmBitmap1[j+2]<<8)+plmmBitmap1[j+3];	  
              }
    	}
   else if (num == 2)
      {
          for(i=0,j=0;i<19200;i++,j=j+4)
              {
                pbuffer[i]=(plmmBitmap2[j]<<24)+(plmmBitmap2[j+1]<<16)+(plmmBitmap2[j+2]<<8)+plmmBitmap2[j+3];	  
              }
    	}
  else if (num == 3)
      {
          for(i=0,j=0;i<19200;i++,j=j+4)
              {
                pbuffer[i]=(plmmBitmap3[j]<<24)+(plmmBitmap3[j+1]<<16)+(plmmBitmap3[j+2]<<8)+plmmBitmap3[j+3];	  
              }
    	} 
  else if (num == 4)
      {
          for(i=0,j=0;i<19200;i++,j=j+4)
              {
                pbuffer[i]=(plmmBitmap4[j]<<24)+(plmmBitmap4[j+1]<<16)+(plmmBitmap4[j+2]<<8)+plmmBitmap4[j+3];	  
              }
    	} 
  else if (num == 5)
      {
          for(i=0,j=0;i<19200;i++,j=j+4)
              {
                pbuffer[i]=(plmmBitmap5[j]<<24)+(plmmBitmap5[j+1]<<16)+(plmmBitmap5[j+2]<<8)+plmmBitmap5[j+3];	  
              }
    	} 
}

void clrscreen(void)
{
    unsigned int *pbuffer;
     int i;
     
    pbuffer =(U32*) frameBuffer256;
    for(i = 0; i< (38400/4) ;i++)
    {
        pbuffer[i] = 0;

 }
}