File content as of revision 0:67db5ce17397:

* Function Name : main
* Description : Main program.
*******************************************************************************/
int main(void) //Main function
{ 

initgpio();

int k=0; 
char a[]="WWW.EEHERALD.COM";
char b[]="EMBEDDED SYSTEMS";

GPIOC->BRR=RS; //Initialize RS=0 for selecting instruction Send
GPIOC->BRR=RW; // Select RW=0 to write Instruction/data on LCD
GPIOC->BSRR=EN; // EN=1 for unlatch. (used at initial condition)

delay_ms(10);

s_init(); //Call Instruction Select routine
GPIOA->ODR=0x0001; // Clear Display, Cursor to Home 
s_latch(); //Latch the above instruction 
GPIOA->ODR=0x0038; // Display Function (2 rows for 8-bit data; small) 
s_latch(); //Latch this above instruction 4 times
s_latch(); 
s_latch(); 
s_latch(); 
GPIOA->ODR=0x000E; // Display and Cursor on, Cursor Blink off 
s_latch(); //Latch the above instruction 
GPIOA->ODR=0x0010; // Cursor shift left 
s_latch(); //Latch the above instruction 
GPIOA->ODR=0x0006; // Cursor Increment, Shift off 
s_data(); //Change the input type to Data.(before it was instruction input)
s_latch(); //Latch the above instruction

for(k=0;a[k];k++)
{
GPIOA->ODR=a[k]; //It will send a[0]='P' as = '0x0050' on Port A.
s_latch(); //Latch the above instruction only once. Or it will clone each character twice if you latch twice.
}
GPIOC->BRR=RS; //Initialize RS=0 for selecting instruction Send
GPIOC->BRR=RW; // Select RW=0 to write Instruction/data on LCD
GPIOC->BSRR=EN; // EN=1 for unlatch. (used at initial condition)

delay_ms(10);
GPIOA->ODR=0x00C0; // Move cursor to beginning of second row 
s_latch(); //Latch the above instruction
s_data(); //Change the input type to Data.(before it was instruction input)
for(k=0;b[k];k++)
{
GPIOA->ODR=b[k]; //It will send b[0]='E' as = '0x0044' on Port A.
s_latch();//Latch the above instruction only once. Or it will clone each character twice if you latch twice.
}
s_init(); 
}