ITEAD 2.4E LCD Interface 8 Bit Parallel Mode

Dependencies:   mbed

lcd_driver.cpp

Committer:
techneo
Date:
2013-02-20
Revision:
0:217105958c2d

File content as of revision 0:217105958c2d:

#include "lcd_driver.h"


#define LCD_DRIVER_C

#include "mbed.h"

//lsb .. msb
BusOut LCD_DataBus(p13,p14,p15,p16,p17,p18,p19,p20);


DigitalOut RS(p21);
DigitalOut WR(p22);
DigitalOut RD(p23);
DigitalOut CS(p24);
DigitalOut RST(p25);


void Write_Command(unsigned int c)
{
  RS = 0;
  Write(c);
}

void Write_Data(unsigned int c)
{
  RS = 1;
  Write(c);
}

void Write(unsigned int c)
{
  LCD_DataBus = c >> 8;
  WR = 0;
    WR = 1;

  LCD_DataBus = c;
  WR = 0;
  WR = 1;
 
}

void Write_Command_Data(unsigned int cmd,unsigned int dat)
{
    Write_Command(cmd);
    Write_Data(dat);
}


void Lcd_Init()
{

    digitalWrite(RD,HIGH);
    digitalWrite(CS,HIGH);
  digitalWrite(WR,HIGH);
    
    digitalWrite(RST,HIGH);
  delay(1);   
  digitalWrite(RST,LOW);
  delay(10);  
  delay(1);
    digitalWrite(RST,HIGH);    

    CS = 0;
    
      Write_Command_Data(0x0011,0x2004);        
    Write_Command_Data(0x0013,0xCC00);        
    Write_Command_Data(0x0015,0x2600);    
    Write_Command_Data(0x0014,0x252A);    
//    Write_Command_Data(0x14,0x002A);        
    Write_Command_Data(0x0012,0x0033);        
    Write_Command_Data(0x0013,0xCC04);        
    //delayms(1); 
    Write_Command_Data(0x0013,0xCC06);        
    //delayms(1); 
    Write_Command_Data(0x0013,0xCC4F);        
    //delayms(1); 
    Write_Command_Data(0x0013,0x674F);
    Write_Command_Data(0x0011,0x2003);
    //delayms(1);     
    Write_Command_Data(0x0030,0x2609);        
    Write_Command_Data(0x0031,0x242C);        
    Write_Command_Data(0x0032,0x1F23);        
    Write_Command_Data(0x0033,0x2425);        
    Write_Command_Data(0x0034,0x2226);        
    Write_Command_Data(0x0035,0x2523);        
    Write_Command_Data(0x0036,0x1C1A);        
    Write_Command_Data(0x0037,0x131D);        
    Write_Command_Data(0x0038,0x0B11);        
    Write_Command_Data(0x0039,0x1210);        
    Write_Command_Data(0x003A,0x1315);        
    Write_Command_Data(0x003B,0x3619);        
    Write_Command_Data(0x003C,0x0D00);        
    Write_Command_Data(0x003D,0x000D);        
    Write_Command_Data(0x0016,0x0007);        
    Write_Command_Data(0x0002,0x0013);        
    Write_Command_Data(0x0003,0x0003);        
    Write_Command_Data(0x0001,0x0127);        
    //delayms(1); 
    Write_Command_Data(0x0008,0x0303);        
    Write_Command_Data(0x000A,0x000B);        
    Write_Command_Data(0x000B,0x0003);   
    Write_Command_Data(0x000C,0x0000);   
    Write_Command_Data(0x0041,0x0000);    
    Write_Command_Data(0x0050,0x0000);   
    Write_Command_Data(0x0060,0x0005);    
    Write_Command_Data(0x0070,0x000B);    
    Write_Command_Data(0x0071,0x0000);    
    Write_Command_Data(0x0078,0x0000);    
    Write_Command_Data(0x007A,0x0000);   
    Write_Command_Data(0x0079,0x0007);        
    Write_Command_Data(0x0007,0x0051);   
    //delayms(1);     
    Write_Command_Data(0x0007,0x0053);        
    Write_Command_Data(0x0079,0x0000);

    Write_Command(0x0022);

    
}

void SetXY(unsigned int x0,unsigned int x1,unsigned int y0,unsigned int y1)
{
  Write_Command_Data(0x0046,(x1 << 8)| x0);
  //Write_Command_Data(0x0047,x1);
  Write_Command_Data(0x0047,y1);
  Write_Command_Data(0x0048,y0);
  Write_Command_Data(0x0020,x0);
  Write_Command_Data(0x0021,y0);
  Write_Command (0x0022);//LCD_WriteCMD(GRAMWR);
}
void Pant(unsigned int color)
{
    int i,j;
    int color_test;
    color_test = 0;
    SetXY(0,239,0,319);
        //SetXY(0,120,0,120);

    for(i=0;i<320;i++)
     {
      for (j=0;j<240;j++)
        {
         Write_Data(color_test);
                    color_test+=10;
        }

      }     
}
void LCD_clear()
{
    unsigned int i,j;
    SetXY(0,239,0,319);
    for(i=0;i<X_CONST;i++)
    {
        for(j=0;j<Y_CONST;j++)
        {    
            Write_Data(0x0000);
        }
    }
}


#undef LCD_DRIVER_C