Recent Content by Quack

  1. Quack
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    Arduino Leonardo Sketch Size

    I don't know about speed, but some of the Braswell pins (pins 24-29) are 3.3 V not 1.8. See...
    Post by: Quack, Dec 30, 2021 in forum: UDOO X86
  2. Quack
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    GPIO permissions for libgpiod sudo or not

    Updated pinout table for gpio,I2c and Uarts
    Post by: Quack, Jan 23, 2021 in forum: UDOO X86
  3. Quack
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    Using Braswell GPIO, i2c and Uart pins.

    Updated/corrected table of gpio/uart/I2c ports
    Post by: Quack, Jan 23, 2021 in forum: UDOO X86
  4. Quack
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    GPIO permissions for libgpiod sudo or not

    Oops! I mis-wrote my addendum. There are 3 external gpio lines not controlled by gpiochip 3. Pins 36 and 37 are on gpiochip 0, pin 40 on...
    Post by: Quack, Oct 7, 2020 in forum: UDOO X86
  5. Quack
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    GPIO permissions for libgpiod sudo or not

    As I noted above, the permissions give you the ability to cause major havoc. If the you look at the gpio table, all but 1 of the external gpio...
    Post by: Quack, Sep 28, 2020 in forum: UDOO X86
  6. Quack
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    UDOO X86 II Documentation is online

    If I update the https://github.com/UDOOboard/X86II-Docs will it update this link?
    Post by: Quack, Aug 30, 2020 in forum: UDOO X86
  7. Quack
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    UDOO X86 II Documentation is online

    SEE https://www.udoo.org/forum/threads/braswell-gpio-number-correction.32374/ for a correction to the docs
    Post by: Quack, Aug 23, 2020 in forum: UDOO X86
  8. Quack
    Thread

    GPIO permissions for libgpiod sudo or not

    In a previous post https://www.udoo.org/forum/threads/using-braswell-gpio-i2c-and-uart-pins.32423/ I discussed the use of the libgpiod library,...
    Thread by: Quack, Aug 23, 2020, 3 replies, in forum: UDOO X86
  9. Quack
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    Using Braswell GPIO, i2c and Uart pins.

    I have verified that pySerial does work. As the documentation states use ttyS4 for Uart1. Under linux (Mint) you have to disable the "Virtual...
    Post by: Quack, Aug 20, 2020 in forum: UDOO X86
  10. Quack
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    UDOO X86 II Documentation is online

    would it be appropriate to cross post my Braswell GPIO correction thread to this thread?
    Post by: Quack, Aug 17, 2020 in forum: UDOO X86
  11. Quack
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    Using Braswell GPIO, i2c and Uart pins.

    Libgpiod is available from several distros. C++ and python bindings are available and I have submitted a pull request to the Adafruit_Blinka...
    Post by: Quack, Aug 17, 2020 in forum: UDOO X86
  12. Quack
    Thread

    Using Braswell GPIO, i2c and Uart pins.

    Searching for information on using the GPIO has been fairly daunting. The user docs refer the the...
    Thread by: Quack, Aug 16, 2020, 6 replies, in forum: UDOO X86
  13. Quack
    Post

    Braswell GPIO Number correction

    Correction, the 5th line should read : echo 0 | sudo tee /sys/class/gpio/value In the spirit of updating the documentation, there are 2 places in...
    Post by: Quack, Aug 15, 2020 in forum: UDOO X86