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    lis3mdl magnetometer

    VOXL 2 Mini
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    • E
      Eric Katzfey ModalAI Team @mkriesel
      last edited by 15 May 2024, 14:40

      @mkriesel The low level driver is Qualcomm proprietary so we cannot share it. But you don't need to look at that code to use an i2c port. You just need to use the interface functions provided by px4.

      1 Reply Last reply Reply Quote 0
      • E
        Eric Katzfey ModalAI Team @mkriesel
        last edited by 15 May 2024, 14:41

        @mkriesel Yes, you would need to compile the DSP code with the Hexagon SDK.

        1 Reply Last reply Reply Quote 0
        • E
          Eric Katzfey ModalAI Team @mkriesel
          last edited by 15 May 2024, 14:41

          @mkriesel You cannot access the DSP i2c ports from the applications processor.

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          • E
            Eric Katzfey ModalAI Team @mkriesel
            last edited by 15 May 2024, 14:43

            @mkriesel We don't have any immediate plans to add dsp i2c access to libqrb5165-io.

            M 1 Reply Last reply 23 May 2024, 22:52 Reply Quote 0
            • M
              mkriesel @Eric Katzfey
              last edited by 23 May 2024, 22:52

              @Eric-Katzfey Hi again, sorry for all the questions but for an update, I was able to get the compass working for my application by using the mavlink pipe and for now this is sufficient, however if I wanted to reconfigure the port to have it on the application processor instead could I do that? Again, it doesn't matter if I lose functionality in px4 because I don't plan to use it if I don't have to but if those GPIO pins are available I would like to explore that option.

              Thanks for all the help so far.

              E 1 Reply Last reply 24 May 2024, 15:29 Reply Quote 0
              • E
                Eric Katzfey ModalAI Team @mkriesel
                last edited by 24 May 2024, 15:29

                @mkriesel The VOXL 2 does not have any i2c brought out to connectors for the applications processor. However, there are some add-on boards that do include this. For example: https://docs.modalai.com/usb2-type-a-breakout-add-on/

                M 1 Reply Last reply 29 May 2024, 20:10 Reply Quote 0
                • M
                  mkriesel @Eric Katzfey
                  last edited by 29 May 2024, 20:10

                  @Eric-Katzfey I undertand you do not have any Voxl 2 mini schematics open to the public but is it possible for you to share with me the gpio pins that J19 are on for the QRB5165 board?

                  A V 2 Replies Last reply 30 May 2024, 03:54 Reply Quote 0
                  • A
                    Alex Kushleyev ModalAI Team @mkriesel
                    last edited by 30 May 2024, 03:54

                    @mkriesel ,

                    https://docs.modalai.com/voxl2-mini-connectors/#j19---external-sensors-2x-uart-2x-i2c

                    here is a link for voxl2 (not mini) : https://docs.modalai.com/voxl2-connectors/

                    does this help?

                    V 1 Reply Last reply 30 May 2024, 04:10 Reply Quote 0
                    • V
                      Vinny ModalAI Team @Alex Kushleyev
                      last edited by 30 May 2024, 04:10

                      @Alex-Kushleyev @mkriesel , I just updated that table to include the raw GPIO numbers.
                      e79aa1fe-ff26-45a0-ad24-65d59af5004b-image.png
                      However, I'm certain that they are unusable as GPIOs due to Trust Zone settings we have applied using them as I2C/UART etc.

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                      • V
                        Vinny ModalAI Team @mkriesel
                        last edited by 30 May 2024, 04:12

                        Hi @mkriesel
                        Have you seen this product we offer? This may be something that interests you:
                        https://docs.modalai.com/voxl2-dev-test-board/

                        Our purchase link is buried in our beta section due to the risk of such product:
                        https://www.modalai.com/pages/beta-voxl-2-b2b-breakout-board
                        It includes a lot of extras not posted such as a tray to hold everything together, an SD Card, many cables, and several jumpers to get you going.
                        Hope this helps!

                        M 1 Reply Last reply 30 May 2024, 19:39 Reply Quote 0
                        • M
                          mkriesel @Vinny
                          last edited by 30 May 2024, 19:39

                          @Vinny Thanks for the help on this I really appreciate it. I'll take a look.

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