Reply To: Issue using Raspi1 with Hifiberry DAC and Adafruit 2,8" Touchscreen on max2play

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20. April 2017 at 12:44 #28383

Sorry Mohammad,

but not sure that this makes total sense:

    GPIO’s used by Hifiberry:

„Pin 27 and 28 are always reserved for an ID EEPROM on the Raspberry Pi. Independently which card you use, these pins are always reserved and should never be used to connect external components.“
and
„Only the pins on the P5 header are used for the HiFiBerry DAC“

(From: https://support.hifiberry.com/hc/en-us/articles/205376201-GPIO-usage-of-HiFiBerry-boards )

    GPIO’s used by Adafruit 2,8″ display v.1

„PiTFT uses: hardware SPI pins (SCK, MOSI, MISO, CE0, CE1) and GPIO #25 and #24“ – older version uses for GPIO buttons „From left to right the buttons correspond to GPIO #23, #22, #27, and #18. (Note: If you have a revision 1 board then #27 is #21 – you’ll just have to change the code a little)“
(Note 2: not using any of the last 4 button GPIO’s if you just don’t use the buttons!!)

(From: https://learn.adafruit.com/raspberry-pi-pygame-ui-basics/from-gpio-to-screen
and
https://learn.adafruit.com/adafruit-pitft-28-inch-resistive-touchscreen-display-raspberry-pi )

Also, as mentioned above: I had both running with a different Distro of Linux Raspbian already (for MPD) – without your plugins.
This to me therefore looks pretty much like a clear problem in your display plugin.