void lcd_send_byte(int8 address, int8 n){
RSPIN=0;
#ifdef USE_RW
while((lcd_read_byte()&0x80)==0x80);
#else
_delay_100us();
#endif
TRIS_DATA_PIN_4=0;
TRIS_DATA_PIN_5=0;
TRIS_DATA_PIN_6=0;
TRIS_DATA_PIN_7=0;
if(address)
RSPIN=1;
else
RSPIN=0;
Nop();
#ifdef USE_RW
RWPIN=0;
Nop();
#endif
lcd_send_nibble(n >> 4);
lcd_send_nibble(n & 0xf);
}
void LCDinit(void)
{
PORTA = 00; // Clear Control port
LATA = 00; // and its corresponding Latch
TRISA = 0x01; // Make PORTA as output port
ADCON1 = 0x0E; // Make PORTA as digitital I/O
// This is done here assuming application code may be using PORTA of Analog application.
_delay(4); //
_delay(4); //
_delay(4); //~15 ms delay
WriteNibble(0x30); // #1 control byte
_delay(4);
WriteNibble(0x30); // #2 control byte
_delay_100us();
WriteNibble(0x30); // #3 control byte
_delay_100us();
WriteNibble(0x20); // #4 control sets 4 bit mode
_delay_100us();
Check_LCDBusy(); // Check whther LCD is free to continue operation
FunctionSet(0x28); // #5 control byte Function set
DisplayON (0x0D); // Turn on Display
DisplayClr (0x01); // Clear Display (clears junk if any)
EntryMode(0x06); // Entry mode selection
DDRAMadrs(0x80); // Initialise DDRAM address to 80h.
} // LCD Init ends
void lcd_send_byte(int8 address, int8 n){
RS_PIN=0;
_delay_100us();
TRIS_DATA_PIN_4=0;
TRIS_DATA_PIN_5=0;
TRIS_DATA_PIN_6=0;
TRIS_DATA_PIN_7=0;
if(address)
RS_PIN=1;
else
RS_PIN=0;
Nop();
lcd_send_nibble(n >> 4);
lcd_send_nibble(n & 0xf);
}