search

adafruit / Adafruit-GFX-Library

Adafruit GFX graphics core Arduino library, this is the 'core' class that all our other graphics libraries derive from
https://learn.adafruit.com/adafruit-gfx-graphics-library
Other
2.41k stars 1.55k forks source link

I2C conflict with Adafruit GFX + ST7735 and ESPAsyncWebServer #393

Open OslafEman opened 2 years ago

OslafEman commented 2 years ago

Arduino IDE 1.8.19 Windows ESP32 (MH ET LIVE ESP32minikit)

Hello, in an asynchronous file server (ESPAsyncWebServer + AsyncTCP) the combination of Adafruit GFX and Adafruit ST7735 libraries interfere with the I2C connection of a keyboard. It doesn't matter if you use the SPIFFS_ImageReader library (fork of Adafruit_ImageReader) or render images in hexadecimal format, the keyboard has almost zero sensitivity.

I currently use ESP32WebServer with the same Adafruit libraries and Adafruit_ImageReader with no keyboard issues.

Oslaf

caternuson commented 2 years ago

Cross posted: https://forums.adafruit.com/viewtopic.php?f=22&t=192860