private async void GpioInit()
{
gpio = GpioController.GetDefault();
if (gpio == null)
{
return;
}
_pin = gpio.OpenPin(5);
_dht = new Dht11(_pin, GpioPinDriveMode.Input);
LCDDisplay = await InitializeDisplay();
Display = new displayI2C(LCDDisplay);
Display.init();
}
private void start()
{
// Here is I2C bus and Display itself initialized.
//
// I2C bus is initialized by library constructor. There is also defined PCF8574 pins
// Default `DEVICE_I2C_ADDRESS` is `0x27` (you can change it by A0-2 pins on PCF8574 - for more info please read datasheet)
// `I2C_CONTROLLER_NAME` for Raspberry Pi 2 is `"I2C1"`
// For Arduino it should be `"I2C5"`, but I did't test it.
// Other arguments should be: RS = 0, RW = 1, EN = 2, D4 = 4, D5 = 5, D6 = 6, D7 = 7, BL = 3
// But it depends on your PCF8574.
displayI2C lcd = new displayI2C(DEVICE_I2C_ADDRESS, I2C_CONTROLLER_NAME, RS, RW, EN, D4, D5, D6, D7, BL);
//Initialization of HD44780 display do by init method.
//By arguments you can turnOnDisplay, turnOnCursor, blinkCursor, cursorDirection and textShift (in thius order)
lcd.init();
lcd.printClock();
/**
* // Here is created new symbol
* // Take a look at data - it's smile emoticon
* // 0x00 => 00000
* // 0x00 => 00000
* // 0x0A => 01010
* // 0x00 => 00000
* // 0x11 => 10001
* // 0x0E => 01110
* // 0x00 => 00000
* // 0x00 => 00000
*
* // data of symbol by lines //address of symbol
* lcd.createSymbol(new byte[] { 0x00, 0x00, 0x0A, 0x00, 0x11, 0x0E, 0x00, 0x00 }, 0x00);
*
* // Here is printed string
* lcd.prints("Good morning,");
*
* // Navigation to second line
* lcd.gotoxy(0, 1);
*
* // Here is printed string
* lcd.prints("gentlemans");
*
* // Here is printed our new symbol (emoticon)
* lcd.printSymbol(0x00);
**/
}
private void start()
{
_lcd = new displayI2C(DEVICE_I2C_ADDRESS, I2C_CONTROLLER_NAME, RS, RW, EN, D4, D5, D6, D7, BL);
_lcd.init();
_lcd.prints("Hello,");
}
