void LCD_write_4(char byteToSend)
{
unsigned char sendByte = byteToSend;
sendByte &= 0x0F;
sendByte |= LCDCON;
sendByte &= 0x7f;
SPI_send(sendByte);
delayMilli();
sendByte |= 0x80;
SPI_send(sendByte);
delayMilli();
sendByte &= 0x7F;
SPI_send(sendByte);
delayMilli();
}
void LCDinit()
{
writeCommandNibble(0x03);
writeCommandNibble(0x03);
writeCommandNibble(0x03);
writeCommandNibble(0x02);
writeCommandByte(0x28);
writeCommandByte(0x0C);
writeCommandByte(0x01);
writeCommandByte(0x06);
writeCommandByte(0x01);
writeCommandByte(0x02);
SPI_send(0);
delayMilli();
}
void writeString(char * string) {
int i = 0;
LCDcon |= RS_MASK;
for (i = 0; i < 8; i++) {
LCD_write_8(string[i]); //send data in the string to be written
delayMilli();
}
}
void writeDataByte(char dataByte)
{
LCDCON |= RS_MASK;
LCD_write_8(dataByte);
delayMilli();
}
void writeCommandByte(char commandByte)
{
LCDCON &= ~RS_MASK;
LCD_write_8(commandByte);
delayMilli();
}
void writeCommandNibble(char commandNibble)
{
LCDCON &= ~RS_MASK;
LCD_write_4(commandNibble);
delayMilli();
}