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    M5station485 factory installed program

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    • ajb2k3A
      ajb2k3
      last edited by

      I started documenting the 485Station using Micropython but my screen just stopped working and so waiting to order a new one.
      The factory demo should be found in the M5Burner firmware manager

      UIFlow, so easy an adult can learn it!
      If I don't know it, be patient!
      I've ether not learned it or am too drunk to remember it!
      Author of the WIP UIFlow Handbook!
      M5Black, Go, Stick, Core2, and so much more it cant be fit in here!

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      • R
        Ricky_M5Station @felmue
        last edited by

        @felmue Thanks for the info! I've only worked with Arduino and ESP-IDF so not so familiar with PlatformIO. The factory installed program can read the voltages and current correctly but not the INA3221.ino m5station example under the Arduino environment. I browse the libraries they use for the INA3221 and they are not the same. It's kind of hard to go on without documentations.

        Thank you.

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        • R
          Ricky_M5Station @ajb2k3
          last edited by

          @ajb2k3 Thanks for the info. Using the M5Station.exe program I am able to recover the factory program(I thought it was a generic binary downloading program but later found out it can only burn the factory default binary:) ). I am look forward to your documentation and thank you!

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          • felmueF
            felmue
            last edited by felmue

            Hello @Ricky_M5Station

            sorry to hear about your troubles.

            I've just double-checked the Arduino INA3221.ino example and it works for me. I do see current values different from zero when plugging something into one of the 6 groove ports.

            Do you have a multimeter? If yes, could you check if there is voltage (5 V) present?

            You also might want to re-install M5Station library - sometimes M5Stack engineers fix a bug, but do not change the version number.

            Thanks
            Felix

            GPIO translation table M5Stack / M5Core2
            Information about various M5Stack products.
            Code examples

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            • R
              Ricky_M5Station
              last edited by

              Hello Felix,

              I tried the INA3221.ino example again after upgrading to Arduino 2.0.3 and removing and reinstalling the M5station libraries. Unfortunately the result is still the same 0V and 0ma for all ports. I've connected a RS485 module to one of these ports and the light on the module is on so I suppose power is there. Also with the factory installed program voltage and current values can be seen for that port.

              That said, the factory installed program has very different power management codes for reading the values, I wonder if that has to do with it.

              Thanks,

              Ricky

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              • felmueF
                felmue
                last edited by

                Hello @Ricky_M5Station

                hmm, not sure what's going wrong here.

                Have you checked the log output? Maybe there is a hint in there.

                BTW: my best guess for the factory code being different from the example code is two different M5Stack engineers probably created those.

                Thanks
                Felix

                GPIO translation table M5Stack / M5Core2
                Information about various M5Stack products.
                Code examples

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                • R
                  Ricky_M5Station @felmue
                  last edited by

                  Hello @felmue

                  What do you mean by the log output? The serial monitor?

                  Just to make sure: you said the example is working on your hardware. Did you also use M5station-485?

                  Thanks again!

                  Ricky

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                  • felmueF
                    felmue
                    last edited by

                    Hello @Ricky_M5Station

                    yes, I mean the serial monitor. And yes, I was testing the example with a M5Station-485.

                    Thanks
                    Felix

                    GPIO translation table M5Stack / M5Core2
                    Information about various M5Stack products.
                    Code examples

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                    • R
                      Ricky_M5Station @felmue
                      last edited by

                      Hi @felmue,

                      When I opened the example, no board was chosen. Is this also true on yours? What board did you choose? The M5station? Just to make sure we are on the same page. Maybe I should also post the code here to compare.

                      Thanks,

                      Ricky

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                      • felmueF
                        felmue
                        last edited by felmue

                        Hello @Ricky_M5Station

                        I've selected M5Stack-Station in Arduino IDE 2.0.3.

                        Try changing Wire to Wire1 in M5Station.cpp:

                            INA1.begin(&Wire1);
                            INA1.reset();
                            INA1.setShuntRes(10, 10, 10);
                            INA2.begin(&Wire1, INA3221_ADDR41_VCC);
                            INA2.reset();
                            INA2.setShuntRes(10, 10, 10);
                        

                        Explanation: Wire1 is used internally, Wire is used for ports A1 and A2.

                        Thanks
                        Felix

                        GPIO translation table M5Stack / M5Core2
                        Information about various M5Stack products.
                        Code examples

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                        • R
                          Ricky_M5Station @felmue
                          last edited by

                          @felmue Hi Felix,

                          That works!! Thanks! But can you please explain a little bit about Wire? I thought it's only the i2C interface handle.

                          Thanks again!

                          Ricky

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                          • R
                            Ricky_M5Station @felmue
                            last edited by

                            @felmue Hi Felix,

                            I see what you meant now. Wire(Pin 32,33) are brought out to A1 and A2, all the internal chips use Wire1(pin 21 and 22) for their I2C. So "Wire" is not the correct I2C to use. Thus the example has a bug. Need to trace the libraries to find out. A manual is badly needed :).

                            Thanks!

                            Ricky

                            1 Reply Last reply Reply Quote 1
                            • felmueF
                              felmue
                              last edited by

                              Hi @Ricky_M5Station

                              thank you for confirming the fix works.

                              I've created a PR to fix the issue.

                              Thanks
                              Felix

                              GPIO translation table M5Stack / M5Core2
                              Information about various M5Stack products.
                              Code examples

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