void DisplayClass::setBackLight(bool value) const
{
if (value)
backlight();
else
noBacklight();
}
void LiquidCrystal_I2C::setBacklight(uint8_t new_val){
if(new_val){
backlight(); // turn backlight on
}else{
noBacklight(); // turn backlight off
}
}
void PCF8574_HD44780_I2C::setBacklight(uint8_t new_val){
if(new_val){
backlight(); // turn backlight on
}else{
noBacklight(); // turn backlight off
}
}
void IIClcd::updateBacklight(void) {
// True = OFF, False = ON
#if BACKLIGHT_AUTO_OFF_PERIOD > 0 || BREWPI_SIMULATE
bool backLightOutput = BREWPI_SIMULATE || ticks.timeSince(_backlightTime) > BACKLIGHT_AUTO_OFF_PERIOD;
#elif defined(ESP8266)
bool backLightOutput = toggleBacklight;
#endif
if (backLightOutput) {
noBacklight();
}
else {
backlight();
}
}
void DisplayClass::goSleep()
{
lcd.clear();
lcd.home();
lcd.print(F("Low Power Mode"));
lcd.setCursor(0, 1);
lcd.print(F("Going to sleep in:"));
lcd.setCursor(0, 2);
lcd.print(F("3"));
DELAY_FUNC(333);
for (uint8_t i = 0; i < 3; i++)
{
lcd.print(F("."));
DELAY_FUNC(333);
}
lcd.print(F("2"));
DELAY_FUNC(333);
for (uint8_t i = 0; i < 3; i++)
{
lcd.print(F("."));
DELAY_FUNC(333);
}
lcd.print(F("1"));
DELAY_FUNC(333);
for (uint8_t i = 0; i < 3; i++)
{
lcd.print(F("."));
DELAY_FUNC(333);
}
lcd.print(F("0!"));
DELAY_FUNC(333);
for (uint8_t i = 0; i < 3; i++)
{
noBacklight();
DELAY_FUNC(500);
backlight();
DELAY_FUNC(500);
}
}
void cLCD::config() {
// configure the port expander
Wire.beginTransmission( PEaddr );
Wire.send( IOCONZ ); // valid command only if BANK = 0, which is true upon reset
Wire.send( BANK ); // set BANK = 1 if it had been 0 (nothing happens if BANK = 1 already)
Wire.endTransmission();
// now, send our IO control byte with assurance BANK = 1
Wire.beginTransmission( PEaddr );
Wire.send( IOCON );
Wire.send( BANK | SEQOP | DISSLW ); // banked operation, non-sequential addressing
Wire.endTransmission();
// now, set up port A pins for output
Wire.beginTransmission( PEaddr );
Wire.send( IODIRA );
Wire.send( 0 ); // configure all A pins for output
Wire.endTransmission();
noBacklight();
}
//
// Switch fully off the LCD (backlight and LCD)
void LCD::off ( void )
{
noBacklight();
noDisplay();
}
