//push a nibble of data through the the LCD's DB4~7 pins, clocking with the Enable pin.
//We don't care what RS and RW are, here.
void LCD4Bit_mod::pushNibble(int value){
int val_nibble= value & 0x0F; //clean the value. (unnecessary)
for (int i=DB[0]; i <= DB[3]; i++) {
digitalWrite(i,val_nibble & 01);
val_nibble >>= 1;
}
pulseEnablePin();
}
//push a nibble of data through the the LCD's DB4~7 pins, clocking with the Enable pin.
static void pushNibble(int value){
int val_nibble= value & 0x0F; //clean the value. (unnecessary)
digitalWrite(DB0_PORT, DB0_BIT,val_nibble & 1);
digitalWrite(DB1_PORT, DB1_BIT,val_nibble>>1 & 1);
digitalWrite(DB2_PORT, DB2_BIT,val_nibble>>2 & 1);
digitalWrite(DB3_PORT, DB3_BIT,val_nibble>>3 & 1);
pulseEnablePin();
}
//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(uint8_t value){
wrtbits(DATA_PORT, DATA_PINS_HI_NIBBLE(value), DATA_PINS);
pulseEnablePin();
wrtbits(DATA_PORT, DATA_PINS_LO_NIBBLE(value), DATA_PINS);
pulseEnablePin();
}
//push a nibble of data through the the LCD's DB4~7 pins, clocking with the Enable pin.
//We don't care what RS and RW are, here.
void pushNibble(uint8_t value) {
output_nibble(LCD_INTERFACE_PORT, value);
pulseEnablePin();
}