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GPIO for profile switching?

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This topic contains 2 replies, has 2 voices, and was last updated by  Quantumcross 6 months, 2 weeks ago.

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  • Author
    Posts
  • #12732

    Quantumcross
    Participant

    Are there any pins or points I could use for some sort of digital input to automatically switch profiles? (Obviously would need to modify the firmware)

    #12734

    marqs
    Participant

    You may use microSD DAT1 and DAT2 pins since they are unused as the card is accessed in SPI mode. They are wired to card assembly and have 10k pullups.

    #12736

    Quantumcross
    Participant

    Thanks. Any chance of a third input? My switcher address bus is 3 bits. Otherwise I might just add a chip and maybe tap into the i2c bus. It looks like the easiest place to get to the i2c bus is via the LCD panel pins?

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