Arduino due wire library update8/26/2023 SSD1306_SWITCHCAPVCC = generate display voltage from 3. ![]() Sets internal variables in the SoftwareI2C library in preparation for transmitting to the given address. int) beginTransmission function: Used when the ATmega is acting as an I2C master. Static const unsigned char PROGMEM logo_bmp = begin () function: SoftwareI2C.begin () must first be called to start any software I2C communication using the SoftwareI2C library. #define NUMFLAKES 10 // Number of snowflakes in the animation example #define OLED_RESET -1 // Reset pin # (or -1 if sharing Arduino reset pin)Īdafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET) Declaration for an SSD1306 display connected to I2C (SDA, SCL pins) ![]() #define SCREEN_HEIGHT 64 // OLED display height, in pixels And thats due to having whats called Bus Arbitration in case of multiple masters did initiate a transaction at the exact same time. #define SCREEN_WIDTH 128 // OLED display width, in pixels BSD license, check license.txt for more information All text above, and the splash screen below must be included in any redistribution. Written by Limor Fried/Ladyada for Adafruit Industries, with contributions from the open source community. ![]() This example is for a 128x32 pixel display using I2C to communicate 3 pins are required to interface (two I2C and one reset).Īdafruit invests time and resources providing this open source code, please support Adafruit and open-source hardware by purchasing products from Adafruit! Pick one up today in the adafruit shop! -> This is an example for our Monochrome OLEDs based on SSD1306 drivers. The following code should load: /*********
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