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,"); }