Question about dumping u8g2 screen buffer to file as image

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  • u8g2

    U8glib library for monochrome displays, version 2

  • I found this sketch here which dumps the image to the serial port: https://github.com/olikraus/u8g2/blob/master/sys/arduino/u8g2_full_buffer/ScreenShot/ScreenShot.ino

  • ArduinoCore-avr

    The Official Arduino AVR core

  • The function takes a reference to a Print object. The Print class defines all of the functions for writing data to an output, and derived classes define the virtual write function that actually writes the data to where it needs to go.

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