//push a byte of data through the LCD's DB4~7 pins, in two steps, clocking each with the enable pin.
static void pushByte(int value){
int val_lower = value & 0x0F;
int val_upper = value >> 4;
pushNibble(val_upper);
pushNibble(val_lower);
_delay_us(27);
}
//push a byte of data through the LCD's DB4~7 pins, in two steps, clocking each with the enable pin.
void LCD4Bit_mod::pushByte(byte value)
{
byte val_lower = value & 0x0F;
byte val_upper = value >> 4;
pushNibble(val_upper);
pushNibble(val_lower);
}
void LCD4Bit_mod::commandWriteNibble(uint8_t nibble) {
clrbits(CONTROL_PORT, CONTROL_RS);
#ifdef USING_RW
clrbits(CONTROL_PORT, CONTROL_RW);
#endif
pushNibble(nibble);
delayMicroseconds(40); // commands need > 37us to settle
}
static void commandWriteNibble(int nibble) {
digitalWrite(RS_PORT, RS_BIT, 0);
#if USING_RW != 0
if (USING_RW) { digitalWrite(RW_PORT, RW_BIT, 0); }
#endif
pushNibble(nibble);
_delay_us(27);
}
static void commandWriteNibble(int nibble) {
digitalWrite(RS_PORT, RS_BIT, 0);
pushNibble(nibble);
_delay_us(27);
}
//push a byte of data through the LCD's DB4~7 pins, in two steps, clocking each with the enable pin.
void LCD4Bit::pushByte(int value){
int val_lower = value & 0x0F;
int val_upper = value >> 4;
pushNibble(val_upper);
pushNibble(val_lower);
}
void LCD4Bit::commandWriteNibble(int nibble) {
digitalWrite(RS, LOW);
if (USING_RW) { digitalWrite(RW, LOW); }
pushNibble(nibble);
}
void LCD4Bit_mod::commandWriteNibble(byte nibble)
{
digitalWrite(RS, LOW);
if (USING_RW) { digitalWrite(RW, LOW); }
pushNibble(nibble);
}