#include /* common defines and macros */

#include "derivative.h" /* derivative-specific definitions */

void flash(void); //declaring the flash function

void blink(unsigned char value); //declaring the blink function

void SerTx0(unsigned char); //declaring the SerTx0 function

void SetUpLCD(void); //declaring the SetupLCD function

void clearscrean(void); //declaring the clearcrean function

void DisplayChar(unsigned char); //declaring the Didsplsy char function

void WriteLCD(unsigned char , unsigned char); //declaring the WriteLCD function

void SerTx1(unsigned char);

void MSDelay(unsigned char); //declaring the Delay function

void main(void) {

unsigned char myString[] = "Hello"; //declaring my string

unsigned char i; //declaring i

unsigned char n; //declaring c

unsigned char mode; //declaring mode

//LCD sut up

DDRB = 0xFF;

DDRJ = 0xFF;

PTJ = 0x00;

DDRH = 0x00; //Enable port H

SCI1BDH = 0x00; // value depends on desired baud rate (usually 0)

SCI1BDL = 0x1A; // value depends on desired baud rate

SCI1CR1 = 0x00; // we will always set this to 0x00

SCI1CR2 = 0x0C; // value depends on transmit/receive enabling

SetUpLCD(); //Calling the set up LCD

clearscrean(); //clearing the screan

for(i=0;i

{

DisplayChar(myString[i]); // Displaying char in LCD

}

for(;;) {

if((PTH & 0x80)!=0) //if statement

{

blink((PTH & 0x0F)); //calling the blink function

MSDelay(1000); // calling the delay

}

else // else statement

{

flash(); //calling the flash function

}

}

}

void MSDelay(unsigned char t) //The MSDelay function definition:

{

unsigned int i;

unsigned int j;

for(i=0;i

for(j=0;j<2020;j++);

}

void SetUpLCD(void)

{

DDRK = 0xFF; // set Port K to output

WriteLCD(0x33,0); // reset sequence provided by data sheet

MSDelay(1);

WriteLCD(0x32,0); // reset sequence provided by data sheet

MSDelay(1);

WriteLCD(0x28,0); // 2 lines and 5x7 matrix (4-bit)

MSDelay(1);

WriteLCD(0x06,0); // increment cursor after each character

MSDelay(1);

WriteLCD(0x0E,0); // Display on, cursor blinking

}

void clearscrean(void) //The clearscrean function definition:

{

MSDelay(1);

WriteLCD(0x01,0); // Clear display screen

MSDelay(1);

WriteLCD(0x80,0); // Force cursor to beginning of 1st line

MSDelay(1);

}

void DisplayChar (unsigned char c) //The Displaychar function definition:

{

WriteLCD(c,1);

MSDelay(1);

}

void WriteLCD(unsigned char command, unsigned char mode) //The writeLCD function definition:

{

unsigned char x;

if (mode == 0)

{

PORTK = PORTK & ~0x01; // set PK0 = 0 for command mode

MSDelay(1);

}

else

{

PORTK = PORTK | 0x01; // set PK0 = 1 for data mode

MSDelay(1);

}

x = (command & 0xF0) >> 2; // clear lower nibble of command

// shift upper nibble to PK5-PK2

PORTK = PORTK & ~0x3C; // clear PK5-PK2

PORTK = PORTK | x; // set PK5-PK2 to upper nibble of command

MSDelay(1);

// send high-low pulse to PK1 to enable latching of command

PORTK = PORTK | 0x02; // high

MSDelay(5);

PORTK = PORTK & ~0x02; // low

MSDelay(15);

x = (command & 0x0F) << 2; // clear upper nibble of command

// shift lower nibble to bits 5-2 of x

PORTK = PORTK & ~0x3C; // clear PK5-PK2

PORTK = PORTK | x; // set PK5-PK2 to lower nibble of command

// send high-low pulse to PK1 to enable latching of command

PORTK = PORTK | 0x02; // high

MSDelay(5);

PORTK = PORTK & ~0x02; // low

MSDelay(15);

}

//The flash function definition:

void flash(void)

{

unsigned char inumber;

unsigned int num;

inumber = 0x80;

for(num=0;num<8;num++)

{

PORTB = inumber;

inumber = inumber >> 1;

MSDelay(100);

}

//The blink function definition:

void blink(unsigned char number)

{

unsigned int total;

for(total=0;total

{

PORTB = 0xFF;

MSDelay(500);

PORTB = 0x00;

MSDelay(500);

}

// serial transmit function

void SerTx0(unsigned char c)

{

while((SCI0SR1 & 0x80) == 0);

SCI0DRL = c;

}

QUESTION IS what is the question should be for this cooding ? ( C langauge )