LCD display

#include "PeripheralHeaderIncludes.h"

#define RS GpioDataRegs.GPADAT.bit.GPIO4
#define EN GpioDataRegs.GPADAT.bit.GPIO5

#define DATA_PORT  GpioDataRegs.GPADAT.all

void LCD_init(void);
void LCD_cmd(unsigned char);
void LCD_dat(unsigned char);
void delay_ms(long end);
void DeviceInit(void);
void InitFlash(void);

void MemCopy(Uint16 *SourceAddr, Uint16* SourceEndAddr, Uint16* DestAddr);

extern Uint16 RamfuncsLoadStart, RamfuncsLoadEnd, RamfuncsRunStart;

unsigned char i,temp;

const unsigned char Msg1[] = "16x2 LCD Test...";
const unsigned char Msg2[] = "F2812 EVB BOARD ";

void main(void)
{
	DeviceInit();	// Device Life support & GPIO mux settings

#ifdef FLASH		
	MemCopy(&RamfuncsLoadStart, &RamfuncsLoadEnd, &RamfuncsRunStart);
	InitFlash();	// Call the flash wrapper init function
#endif 
	
	delay_ms(1000);
	LCD_init();
	delay_ms(500);
	
    while(1)
    {
     //   LCD_cmd(0x01);	
     //   delay_ms(50);

        LCD_cmd(0x80);			// First line	
        for(i=0;i<16;i++)
        { 
            LCD_dat(Msg1[i]);
            delay_ms(5);
        }

        LCD_cmd(0xc0);			// Second Line
        for(i=0;i<16;i++)
        { 
            LCD_dat(Msg2[i]);
            delay_ms(5);
        }
    }
} 

void LCD_init(void)
{	
    LCD_cmd(0x33);
	LCD_cmd(0x32);
	LCD_cmd(0x28);		// 38 for 8 data lines , 28 for 4 data lines use D4-D7 MSB Lines.
    LCD_cmd(0x0c);	
    LCD_cmd(0x06);
    LCD_cmd(0x01);   
}
		
void LCD_cmd(unsigned char cmd)
{
	RS = 0;
	
	temp = ((cmd & 0xF0)>>4);
	DATA_PORT = temp;
    EN = 1;
    EN = 0;
    
 
    temp = cmd & 0x0F;
	DATA_PORT = temp;
    EN = 1;
    EN = 0;
	delay_ms(3);
}

void LCD_dat(unsigned char byte)
{
	RS = 1;
	
	temp = ((byte & 0xF0)>>4);
	DATA_PORT = temp;
    EN = 1;
    EN = 0;
    
	temp = byte & 0x0F;
	DATA_PORT = temp;
    EN = 1;
    EN = 0;
	delay_ms(3);
}

void delay_ms(long end)
{
	long i;
	end = 3573 * end;
	for (i = 0; i < end; i++);
}