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    Edukit ATECC608B & AWS IOT & UiFlow

    Core2 for AWS
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    • ajb2k3A
      ajb2k3 @felmue
      last edited by

      @felmue @greenleaf I've reached out to M5Stack to see if they have a solution.

      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!

      1 Reply Last reply Reply Quote 1
      • ajb2k3A
        ajb2k3
        last edited by

        Interesting, It seams that the I2C master bus is not being initialised.

        E (71690) i2c: /home/m5/M5-Workspace/esp-idf-for-m5/components/driver/i2c.c:1273 (i2c_master_cmd_begin):i2c driver not installed
        E (71692) i2c: /home/m5/M5-Workspace/esp-idf-for-m5/components/driver/i2c.c:1273 (i2c_master_cmd_begin):i2c driver not installed
        Guru Meditation Error: Core  0 panic'ed (LoadProhibited). Exception was unhandled.
        Core 0 register dump:
        PC      : 0x400d29ea  PS      : 0x00060230  A0      : 0x800dffe5  A1      : 0x3ffd3450  
        A2      : 0x3f9530c0  A3      : 0x3f76a89d  A4      : 0x3f953070  A5      : 0x00000000  
        A6      : 0x000000fe  A7      : 0x3ffc4c40  A8      : 0x800d29ea  A9      : 0x3ffd3430  
        A10     : 0x00000000  A11     : 0x00000001  A12     : 0x3f953150  A13     : 0x3ffd3440  
        A14     : 0x0000000c  A15     : 0xff000000  SAR     : 0x0000001a  EXCCAUSE: 0x0000001c  
        EXCVADDR: 0x00000010  LBEG    : 0x40093aa4  LEND    : 0x40093ad2  LCOUNT  : 0xffffffff  
        
        ELF file SHA256: 0000000000000000
        
        Backtrace: 0x400d29e7:0x3ffd3450 0x400dffe2:0x3ffd3470 0x400e0bcc:0x3ffd3490 0x4016d781:0x3ffd34b0 0x4016d7b1:0x3ffd34d0 0x40097d55:0x3ffd3500
        
        Rebooting...
        ets Jul 29 2019 12:21:46
        
        rst:0xc (SW_CPU_RESET),boot:0x17 (SPI_FAST_FLASH_BOOT)
        configsip: 0, SPIWP:0xee
        clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
        mode:DIO, clock div:1
        load:0x3fff0018,len:4
        load:0x3fff001c,len:5228
        load:0x40078000,len:13424
        load:0x40080400,len:3568
        entry 0x4008063c
        
               _  __ _               
         _   _(_)/ _| | _____      __
        | | | | | |_| |/ _ \ \ /\ / /
        | |_| | |  _| | (_) \ V  V / 
         \__,_|_|_| |_|\___/ \_/\_/  
        

        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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        • ajb2k3A
          ajb2k3
          last edited by

          OK getting somewhere, every time you get a guru or kernel panic you need to hard shut down the core two for 5 seconds or the bug remains in memory.

          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!

          1 Reply Last reply Reply Quote 0
          • ajb2k3A
            ajb2k3
            last edited by ajb2k3

            And there is the Issue:
            0_1659771847735_Screenshot 2022-08-06 at 08.43.41.png

            The code is not getting run in the correct order!

            There was a man who had a dog and BINGO! was his Name-O!
            ![0_1659772116790_Screenshot 2022-08-06 at 08.47.52.png](Uploading 100%)

            1 Set forward.

            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!

            1 Reply Last reply Reply Quote 0
            • ajb2k3A
              ajb2k3
              last edited by

              1 Step Forward!

              from m5stack_ui import *
              from uiflow import *
              import i2c_bus
              import machine
              i2c = machine.I2C(scl=machine.Pin(22), sda=machine.Pin(21), freq=133000)
              
              screen = M5Screen()
              screen.clean_screen()
              screen.set_screen_bg_color(0xFFFFFF)
              
              label0 = M5Label('label0', x=15, y=43, color=0x000, font=FONT_MONT_14, parent=None)
              
              print('Scan i2c bus...')
              addresses = i2c.scan()
              print(i2c.scan())
              label0.set_text(str(i2c.scan()))
              

              So the code get run out of order and crashes the i2c bus.

              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!

              1 Reply Last reply Reply Quote 0
              • felmueF
                felmue
                last edited by

                Hello @ajb2k3

                are you doing multiple i2c.scan() calls on purpose? When I try that I only get an empty list. However doing only one scan works for me.

                I went through older M5Core2 UIFlow firmware versions and all of them crash on me when using the ID unit with custom values for I2C (e.g. 21, 22) in order to access the ATECC608 in the AWS bottom. And UIFlow firmware 1.7.5 doesn't support the ID unit.

                BTW: The ATECC608B has a sleep mode and when it is in that mode it will not show up during an I2C scan.

                Thanks
                Felix

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

                ajb2k3A 1 Reply Last reply Reply Quote 0
                • ajb2k3A
                  ajb2k3 @felmue
                  last edited by

                  @felmue I'm doing multi scans because I'm not sure how do make one and pass the results to both the Label and print functions.

                  Yeh found out about the sleep mode, you have to hard reset the base plate to wake it up before running an i2C scan.
                  I'm running 1.10.2 and found the issue is in the i2C setup function.

                  addresses = i2c.scan()
                  Is just a left over function of what I was testing earlier.

                  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!

                  1 Reply Last reply Reply Quote 0
                  • ajb2k3A
                    ajb2k3
                    last edited by

                    And more progress!
                    I have stable access to the Core2 AWS' ATECC608b

                    >>> help(_ID.ID)
                    object <class 'ID'> is of type type
                      receiveResponseData -- <function receiveResponseData at 0x3f95ce00>
                      read_output -- <function read_output at 0x3f95d1d0>
                      publicKey64Bytes -- bytearray(b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
                      verifySignature -- <function verifySignature at 0x3f95d260>
                      wakeup -- <function wakeup at 0x3f95cc90>
                      dataOTPLockStatus -- False
                      createNewKeyPair -- <function createNewKeyPair at 0x3f95ce60>
                      signTempKey -- <function signTempKey at 0x3f95d240>
                      generatePublicKey -- <function generatePublicKey at 0x3f95d1a0>
                      getRandomInt -- <function getRandomInt at 0x3f95cdc0>
                      sha256 -- <function sha256 at 0x3f95d270>
                      updateRandom32Bytes -- <function updateRandom32Bytes at 0x3f95cd10>
                      random32Bytes -- bytearray(b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
                      KeyConfig -- bytearray(b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
                      configZone -- bytearray(b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
                      input_buffer -- bytearray(b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
                      writeConfigZone -- <function writeConfigZone at 0x3f95d280>
                      lockDataSlot0 -- <function lockDataSlot0 at 0x3f95ccf0>
                      signature -- bytearray(b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
                      readConfigZone -- <function readConfigZone at 0x3f95ccd0>
                      get_crc -- bytearray(b'\x00\x00')
                      countGlobal -- 0
                      check_crc -- <function check_crc at 0x3f95ce20>
                      read -- <function read at 0x3f95d1c0>
                      write -- <function write at 0x3f95d1e0>
                      __init__ -- <function __init__ at 0x3f95cd90>
                      slot0LockStatus -- False
                      createSignature -- <function createSignature at 0x3f95d200>
                      revisionNumber -- bytearray(b'\x00\x00\x00\x00\x00')
                      get_info -- <function get_info at 0x3f95ccb0>
                      getRandomLong -- <function getRandomLong at 0x3f95cdd0>
                      random_min_max -- <function random_min_max at 0x3f95cdf0>
                      __module__ -- units._ID
                      configLockStatus -- False
                      hash256 -- bytearray(b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
                      lockDataAndOTP -- <function lockDataAndOTP at 0x3f95cce0>
                      random_max -- <function random_max at 0x3f95cde0>
                      idle_mode -- <function idle_mode at 0x3f95cca0>
                      calculate_crc -- <function calculate_crc at 0x3f95ce30>
                      cleanInputBuffer -- <function cleanInputBuffer at 0x3f95ce40>
                      lock_config -- <function lock_config at 0x3f95ccc0>
                      __qualname__ -- ID
                      serialNumber -- bytearray(b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
                      lock -- <function lock at 0x3f95cd00>
                      loadTempKey -- <function loadTempKey at 0x3f95d220>
                      getRandomByte -- <function getRandomByte at 0x3f95cdb0>
                      sendCommand -- <function sendCommand at 0x3f95d2c0>
                      check_count -- <function check_count at 0x3f95ce10>
                      SlotConfig -- bytearray(b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
                    >>> help(_ID.ID.wakeup)
                    object <function wakeup at 0x3f95cc90> is of type function
                    >>> help(_ID.ID.get_info)
                    object <function get_info at 0x3f95ccb0> is of type function
                    >>> help('_ID.ID.get_info')
                    object _ID.ID.get_info is of type str
                      encode -- <function>
                      find -- <function>
                      rfind -- <function>
                      index -- <function>
                      rindex -- <function>
                      join -- <function>
                      split -- <function>
                      splitlines -- <function>
                      rsplit -- <function>
                      startswith -- <function>
                      endswith -- <function>
                      strip -- <function>
                      lstrip -- <function>
                      rstrip -- <function>
                      format -- <function>
                      replace -- <function>
                      count -- <function>
                      partition -- <function>
                      rpartition -- <function>
                      center -- <function>
                      lower -- <function>
                      upper -- <function>
                      isspace -- <function>
                      isalpha -- <function>
                      isdigit -- <function>
                      isupper -- <function>
                      islower -- <function>
                    >>> import i2c_bus
                    >>> i2c = machine.I2C(scl=machine.Pin(22), sda=machine.Pin(21), freq=133000)
                    Traceback (most recent call last):
                      File "<stdin>", line 1, in <module>
                    NameError: name 'machine' isn't defined
                    >>> import i2c_bus
                    >>> Import machine
                    Traceback (most recent call last):
                      File "<stdin>", line 1
                    SyntaxError: invalid syntax
                    >>> import machine
                    >>> i2c = machine.I2C(scl=machine.Pin(22), sda=machine.Pin(21), freq=133000)
                    >>> print(i2c.scan())
                    [52, 53, 56, 81, 104]
                    >>> import units
                    >>> from units import _ID
                    >>> i2c.wakeup
                    Traceback (most recent call last):
                      File "<stdin>", line 1, in <module>
                    AttributeError: 'I2C' object has no attribute 'wakeup'
                    >>> ID_0 = unit.get(unit.ID, (21,22))
                    >>> ID_0.wakeup
                    <bound_method>
                    >>> ID_0.ID.wakeup
                    Traceback (most recent call last):
                      File "<stdin>", line 1, in <module>
                    AttributeError: 'ID' object has no attribute 'ID'
                    >>> ID_0.get_info
                    <bound_method>
                    >>> print(ID_0.get_info)
                    <bound_method>
                    >>> print(ID_0.get_info())
                    True
                    >>> print(ID_0.wakeup())
                    True
                    >>> print(ID_0.read_output())
                    Traceback (most recent call last):
                      File "<stdin>", line 1, in <module>
                    TypeError: function takes 5 positional arguments but 1 were given
                    >>> print(ID_0.readConfigZone())
                    True
                    >>> print(ID_0.revisionnumber())
                    Traceback (most recent call last):
                      File "<stdin>", line 1, in <module>
                    AttributeError: 'ID' object has no attribute 'revisionnumber'
                    >>> print(ID_0.revisionNumber())
                    Traceback (most recent call last):
                      File "<stdin>", line 1, in <module>
                    TypeError: 'bytearray' object isn't callable
                    >>> print(ID_0.revisionNumber)
                    bytearray(b'\x00\x00`\x02')
                    >>> print(ID_0.serialNumber)
                    bytearray(b'\x01#\xce\xa0\xcf\x06\x90\x0b\x01')
                    >>> 
                    

                    Datalog dump from Thonny!

                    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!

                    ajb2k3A 1 Reply Last reply Reply Quote 0
                    • ajb2k3A
                      ajb2k3 @ajb2k3
                      last edited by

                      >>> print(ID_0.loadTempKey(64))
                      True
                      >>> print(ID_0.generatePublicKey())
                      True
                      >>> print(ID_0.publicKey64Bytes)
                      bytearray(b'\x84\xf8\xda\xf6\xda\x18&r\x1b\xf0\xdbv\x1a\xcc\xf6z\xfd\xe2>\xdcY\xd5l\xf4kk\xb7D\xffI6\x1d\xcfDO\x9f\xc8bv\x80\xa9\xb8\xe75\xc5\x13\xe4\xe91\x9b\xcelg\xeb\x01Q\x18\xd0<\x91\xcb\xd8\xc1\xa1')
                      >>> 
                      

                      Generate and display a key!

                      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!

                      1 Reply Last reply Reply Quote 0
                      • ajb2k3A
                        ajb2k3
                        last edited by

                        And a guide:
                        https://www.hackster.io/AJB2K3/accessing-the-atecc608b-in-uiflow-part-1-5ac679

                        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!

                        1 Reply Last reply Reply Quote 0
                        • felmueF
                          felmue
                          last edited by

                          Hello @ajb2k3

                          thank you for putting together the guide. Unfortunately I cannot get it to work. I do not fully understand the following instructions from your guide.

                          Now I have the basics after poking away at micropython I import machine and units._ID0

                          import units
                          from units import _ID
                          ID_0 = unit.get(unit.ID, (21,22))
                          

                          Using Thonny and ...
                          ... trying to import units._ID0 results in an error.
                          ... where is _ID used?
                          ... trying to run ID_0 = unit.get(unit.ID, (21,22)) still crashes my M5Core2.

                          Thanks
                          Felix

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

                          ajb2k3A 1 Reply Last reply Reply Quote 0
                          • ajb2k3A
                            ajb2k3 @felmue
                            last edited by ajb2k3

                            @felmue It will.
                            You have to run the commands in that exact order or it will crash and restart!

                            If you run help('modules') in Thonny you will find the module units/_ID this took me house to work out.

                            _ID0 does not exist, the module is _ID

                            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!

                            1 Reply Last reply Reply Quote 0
                            • felmueF
                              felmue
                              last edited by

                              Hello @ajb2k3

                              thank you. I appreciate all your help. Unfortunately for some reason I cannot get it to work on my side. Whatever steps I execute before, every time I try to execute ID_0 = unit.get(unit.ID, (21,22)) my M5Core2 crashes.

                              Thanks
                              Felix

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

                              ajb2k3A 1 Reply Last reply Reply Quote 0
                              • ajb2k3A
                                ajb2k3 @felmue
                                last edited by ajb2k3

                                @felmue Sorry, you need to import unit
                                Then import units then from units import _ID

                                also the code is

                                import units
                                import unit
                                from units import _ID
                                ID_0 = unit.get(unit.ID, (21,22))
                                

                                however you can also use:

                                import units
                                import unit
                                from units import _ID
                                ATECC = unit.get(unit.ID, (21,22))
                                

                                I don't know why both unit and units (with an S) must be called but they both do.

                                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!

                                1 Reply Last reply Reply Quote 0
                                • felmueF
                                  felmue
                                  last edited by

                                  Hello @ajb2k3

                                  thank you again. I tried both your code sequences - still no luck. M5Core2 still reboots after the last command.

                                  Which UIFlow firmware version is running on your M5Core2?

                                  Thanks
                                  Felix

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

                                  ajb2k3A 1 Reply Last reply Reply Quote 0
                                  • ajb2k3A
                                    ajb2k3 @felmue
                                    last edited by ajb2k3

                                    @felmue ok, its been working all day and now crashing
                                    1.10.2

                                    OK if you make 1 single mistake, you to to disconnect and power down the Core2 to empty the memory
                                    0_1659898393874_Screenshot 2022-08-07 at 19.53.03.png

                                    this works.

                                    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!

                                    1 Reply Last reply Reply Quote 0
                                    • felmueF
                                      felmue
                                      last edited by

                                      Hello @ajb2k3

                                      at this point I think whether the commands succeed or result in a crash depends on the amount of free memory.
                                      With a freshly rebooted M5Core2 the following commands (sometimes) can be executed w/o crash.

                                      >>> import unit
                                      >>> ID_0 = unit.get(unit.ID, (21,22))
                                      >>> print(ID_0.wakeup())
                                      True
                                      >>> print(ID_0.readConfigZone())
                                      Traceback (most recent call last):
                                        File "<stdin>", line 1, in <module>
                                        File "units/_ID.py", line 186, in readConfigZone
                                        File "units/_ID.py", line 363, in read
                                        File "units/_ID.py", line 377, in read_output
                                        File "units/_ID.py", line 161, in idle_mode
                                        File "i2c_bus.py", line 100, in write_list
                                      OSError: I2C bus error (110)
                                      >>> print(ID_0.readConfigZone())
                                      True
                                      >>> print(ID_0.revisionNumber)
                                      bytearray(b'\x00\x00`\x03')
                                      

                                      Note: The commands need to be executed manually one by one.
                                      Note: I don't need the import units nor the from units import _ID commands.

                                      Thanks
                                      Felix

                                      GPIO translation table M5Stack / M5Core2
                                      Information about various M5Stack products.
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                                      • ajb2k3A
                                        ajb2k3 @felmue
                                        last edited by

                                        @felmue said in Edukit ATECC608B & AWS IOT & UiFlow:

                                        Hello @ajb2k3

                                        at this point I think whether the commands succeed or result in a crash depends on the amount of free memory.
                                        With a freshly rebooted M5Core2 the following commands (sometimes) can be executed w/o crash.

                                        >>> import unit
                                        >>> ID_0 = unit.get(unit.ID, (21,22))
                                        >>> print(ID_0.wakeup())
                                        True
                                        >>> print(ID_0.readConfigZone())
                                        Traceback (most recent call last):
                                          File "<stdin>", line 1, in <module>
                                          File "units/_ID.py", line 186, in readConfigZone
                                          File "units/_ID.py", line 363, in read
                                          File "units/_ID.py", line 377, in read_output
                                          File "units/_ID.py", line 161, in idle_mode
                                          File "i2c_bus.py", line 100, in write_list
                                        OSError: I2C bus error (110)
                                        >>> print(ID_0.readConfigZone())
                                        True
                                        >>> print(ID_0.revisionNumber)
                                        bytearray(b'\x00\x00`\x03')
                                        

                                        Note: The commands need to be executed manually one by one.
                                        Note: I don't need the import units nor the from units import _ID commands.

                                        Thanks
                                        Felix
                                        Agreed, once the error occurs then memory gets filled requiring hard reset.
                                        You didn’t need unit or the from? I will try again later.
                                        I have spent all weekend writing up the atecc for my av2 book including logging the MP modules. I’ll try without those two line tonight.

                                        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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                                        • ajb2k3A
                                          ajb2k3
                                          last edited by

                                          The issue of found was that the basic unit functions are in the unit module with unit.ID being empty but the ATecc function are all in units._ID

                                          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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                                          • ajb2k3A
                                            ajb2k3
                                            last edited by ajb2k3

                                            @felmue try adding the following before defining ID_0

                                            From esp import gc
                                            gc.collect.

                                            This should help clean up some memory.

                                            Nope that was wrong. the min code I can get running is

                                            import unit
                                            import units
                                            from units import _ID
                                            import gc
                                            ATECC = unit.get(unit.ID, (21,22))
                                            gc.collect()
                                            

                                            Oh cool, I got import units._ID to work.

                                            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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