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    Explore Pybytes | Official Documentation | Report a Firmware Bug/Issue | GitHub

    New firmware release v1.17.0.b1 (Completely new LTE class)

    Scheduled Pinned Locked Moved Announcements & News
    firmware
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    • sebS Offline
      seb @losi
      last edited by

      @losi
      The links at the top of this page should always point to the latest version:
      https://docs.pycom.io/chapter/gettingstarted/installation/firmwaretool.html

      L I 2 Replies Last reply Reply Quote 0
      • N Offline
        Neuromystix @jcaron
        last edited by

        @jcaron simple question: what is the default DR/power you get when starting a device with ADR enabled?

        Yesterday i tried ADR, which appear to be working but always started at DR0. After the server send the LinkADRReq command Lopy change DR, so in a simple way it appears to be working. However server is configured to start with DR5, Lopy the same, but always start with DR0. Same code, with ADR disabled and Lopy start with DR5 without problem.

        Researcher @ UALG, Portugal

        J 1 Reply Last reply Reply Quote 0
        • J Offline
          jcaron @Neuromystix
          last edited by

          @neuromystix as I understand the changes as @daniel made them in this version:

          • if ADR is enabled then it will start at DR0 (SF12), and change if the network says otherwise (LinkADRReq) or there's enough packet loss to increment the DR
          • if ADR is not enabled, then each single frame will be sent with the data rate configured via setsockopt, or DR5 (SF7) if nothing has been specifically set. Not sure if LinkADRReq requests are denied or accepted, but they will have no effect.
          N 1 Reply Last reply Reply Quote 0
          • C Offline
            Colateral
            last edited by Colateral

            Board: L01

            CRASH with flash erase. This is happening often after sending multiple Lora messages as request and receiving a Lora message as response in a simple Lora - Lora connection.

            Can someone explain why ESP32 is flashed? - my scripts are erased and also main.py and boot.py are restored to default.
            I checked also with uos.listdir() and there are a lot of junks (see below after crash uput)

                        Guru Meditation Error: Core  1 panic'ed (Cache disabled but cached memory region accessed)
            Register dump:
            PC      : 0x400dbec8  PS      : 0x00060034  A0      : 0x80084c68  A1      : 0x3ffc1390
            A2      : 0x3ffc784c  A3      : 0x00000001  A4      : 0x8008bf73  A5      : 0x3ffc13a0
            A6      : 0x00000020  A7      : 0x00000020  A8      : 0x80084a58  A9      : 0x3ffc1370
            A10     : 0x00000012  A11     : 0x3ffc1391  A12     : 0x3ffc1391  A13     : 0x3ffc7864
            A14     : 0x3ffc7854  A15     : 0x00000402  SAR     : 0x0000000e  EXCCAUSE: 0x00000007
            EXCVADDR: 0x00000000  LBEG    : 0x4009a73c  LEND    : 0x4009a76a  LCOUNT  : 0x00000000

            Backtrace: 0x400dbec8:0x3ffc1390 0x40084c65:0x3ffc13c0 0x40083f0b:0x3ffc13f0 0x40083585:0x3ffc1410 0x400621f9:0x00000000

            ================= CORE DUMP START =================
            LCgAAA0AAABsAQAA
            UDj9P+A2/T9IOP0/
            4Db9P+A3/T9UkePQ6FH8P+hR/D9QOP0/4FH8PwEAAADIav0/yGr9P1A4/T8AAAAA
            GAAAAEw0/T9pcGMwABVA5g5OoraPJm8AAAAAAEg4/T8AAAAAJQAGABgAAAAAAAAA
            AAAAAAAAAAAAAAAAAAAAAAAAAAA0Z/0/nGf9PwRo/T8AAAAAAAAAAAEAAAAAAAAA
            ullAPwAAAAAcrwlAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
            AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
            AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
            AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
            AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAKi2sQ==
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            AAAAAAAAAAAAAAAAAAAAAAAAAACGIAAA/gAAABcAAAAAAAAAwDf9P9hO/D/ITvw/
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            AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
            AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
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            AAAAABxX/T9JRExFAPOBHrhQ9qfnu4AAAAAAABhb/T8AAAAAIQAGAAAAAAAAAAAA
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            AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
            AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
            AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
            AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD7VKQ==
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            AAAAAAAAAAAAAAAAAAAAAAAAAAA0Z/0/nGf9PwRo/T8AAAAAAAAAAAEAAAAAAAAA
            ullAPwAAAAAcrwlAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
            AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
            AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
            AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
            AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAOBFug==
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            AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
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            AAAAAAAAAAA=
            ================= CORE DUMP END =================
            E (10277) esp_core_dump: Skipped 1 tasks with bad TCB!
            E (10282) esp_core_dump: Crashed task has been skipped!
            Rebooting...
            ets Jun  8 2016 00:22:57

            rst:0x3 (SW_RESET),boot:0x13 (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:0x3fff9028,len:8
            load:0x3fff9030,len:1060
            load:0x4009fa00,len:0
            ho 12 tail 0 room 4
            load:0x4009fa00,len:14096
            entry 0x400a05e0
            MicroPython d0dc708-dirty on 2018-03-01; LoPy with ESP32


            >>> uos.listdir()
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            C 1 Reply Last reply Reply Quote 1
            • robert-hhR Offline
              robert-hh @daniel
              last edited by robert-hh

              @daniel @Xykon @seb Thanks for the Linux software updater. I ignored that since a while, and I am still not using it for software updates, but it has a lot of other management options, which are very useful.

              1 Reply Last reply Reply Quote 0
              • L Offline
                losi @seb
                last edited by

                @seb Your link points to release v1.12.0.b0, which is why i asked.

                R 1 Reply Last reply Reply Quote 0
                • R Offline
                  rskoniec @losi
                  last edited by rskoniec

                  @losi said in New firmware release v1.17.0.b1 (Completely new LTE class):

                  @seb Your link points to release v1.12.0.b0, which is why i asked.

                  Let's clear something:
                  v1.12.0.b0 is the newest version of the Updater Tool.
                  v1.17.0.b1 is the newest version of the Firmware.

                  So @seb gave you right answer.

                  The machine is working as good as it's code.

                  L 1 Reply Last reply Reply Quote 1
                  • N Offline
                    Neuromystix @jcaron
                    last edited by

                    @jcaron with my tests that's the behavior.

                    • With ADR enabled, it start with DR0 and change when LS send LinkADRReq.
                    • With ADR disabled, Lopy started with DR defined in setsockopt. In this case LorawanServer don't send LinkADRReq command, when we try to manually adjust DR. Since ADR bit is disabled, i suppose that LS don't even try to send the command.

                    Researcher @ UALG, Portugal

                    1 Reply Last reply Reply Quote 0
                    • C Offline
                      Colateral @Colateral
                      last edited by

                      @colateral Backtrace output:

                      Decoding 8 results
0x400dbec8: system_get_rtc_time at /Users/danicampora/Code/Espressif/IDF/esp-idf-20180112/components/newlib/./time.c line 261
0x4009a73c: memcpy at /home/jeroen/esp8266/esp32/newlib_xtensa-2.2.0-bin/newlib_xtensa-2.2.0/xtensa-esp32-elf/newlib/libc/machine/xtensa/../../../../.././newlib/libc/machine/xtensa/memcpy.S line 168
0x4009a76a: memcpy at /home/jeroen/esp8266/esp32/newlib_xtensa-2.2.0-bin/newlib_xtensa-2.2.0/xtensa-esp32-elf/newlib/libc/machine/xtensa/../../../../.././newlib/libc/machine/xtensa/memcpy.S line 201
0x400dbec8: system_get_rtc_time at /Users/danicampora/Code/Espressif/IDF/esp-idf-20180112/components/newlib/./time.c line 261
0x40084c65: SX1272OnDioIrq at D:\Colateral\Programming\pycom\pycom-micropython-sigfox\esp32/../drivers/sx127x/sx1272/sx1272.c line 1039
0x40083f0b: machpin_intr_process at D:\Colateral\Programming\pycom\pycom-micropython-sigfox\esp32/mods/machpin.c line 187
0x40083585: _xt_lowint1 at /Users/danicampora/Code/Espressif/IDF/esp-idf-20180112/components/freertos/./xtensa_vectors.S line 1105
                      1 Reply Last reply Reply Quote 0
                      • L Offline
                        losi @rskoniec
                        last edited by

                        @rskoniec Okay, so I can use the v1.12.0.b0 updater tool, which I have installed. I also see the selection for uploading alternate firmware.

                        Now where is the v1.17.0.b1 image hiding? I don't see any link on this post containing this image.

                        robert-hhR 1 Reply Last reply Reply Quote 0
                        • robert-hhR Offline
                          robert-hh @losi
                          last edited by

                          @losi I think it's selected automagically. But besides that, all files are here: https://github.com/pycom/pycom-micropython-sigfox/releases/tag/v1.17.0.b1
                          You will need one of the xxx.tar.gz files.

                          L 1 Reply Last reply Reply Quote 0
                          • L Offline
                            losi @robert-hh
                            last edited by

                            @robert-hh Thank you! That is exactly what I was looking for.

                            1 Reply Last reply Reply Quote 0
                            • I Offline
                              IOAg @daniel
                              last edited by

                              @daniel no mention of fipy LTE issue with Telstra in Australia. Any chance release includes a fix?

                              N 1 Reply Last reply Reply Quote 0
                              • N Offline
                                nathanh @IOAg
                                last edited by nathanh

                                @ioag said in New firmware release v1.17.0.b1 (Completely new LTE class):

                                @daniel no mention of fipy LTE issue with Telstra in Australia. Any chance release includes a fix?

                                So I still cannot connect to Telstra. However, it is nice to have AT command access which has given some more control and feedback.

                                From my testing I will setup the APN with the following prior to trying to attach.

                                AT+CGDCONT=1,"IP","telstra.m2m"

                                If I then try and check the status with AT+CEREG? I get the result +CEREG:2,0 as you would expect.

                                When I then try to attach I get the following:

                                lte.attach()
lte.send_at_cmd('AT+CEREG?')
\r\n+CEREG:2,4\r\n\r\nOK\r\n

                                So the result of 2,4 is an unknown response (and according to doco, one possible reason can be no coverage). However, according to Telstra's coverage map I am under full coverage. I can confirm on my phone I do get Telstra 4G but whether on not the phone is using band 28 like the device should be, I am unable to determine.

                                Anyway, still disappointing that a product being sold here and was meant to be certified according to Pycom's website last year (https://pycom.io/state-lte-m/) is still not working. Especially since everything else Pycom has been awesome to work with. At this stage I might start looking at going back to working with the ESP32 direct with a Telit modem.

                                N 1 Reply Last reply Reply Quote 2
                                • I Offline
                                  incognico @seb
                                  last edited by

                                  @seb said in New firmware release v1.17.0.b1 (Completely new LTE class):

                                  @losi
                                  The links at the top of this page should always point to the latest version:
                                  https://docs.pycom.io/chapter/gettingstarted/installation/firmwaretool.html

                                  What links at the top of this page? Maybe I need some more coffee this morning but I couldn't see a link to this new tool "at the top of this page". A search of the page source doesn't find a link to firmwaretool.html until your post. Even if it is there and I'm being foolish, perhaps a more obvious link to the tool when announcing it would be helpful...?

                                  1 Reply Last reply Reply Quote 0
                                  • L Offline
                                    livius @daniel
                                    last edited by

                                    @daniel
                                    Is there some progress about point 3 from this post? :)
                                    https://forum.pycom.io/post/15420

                                    Encryption: Complete flash encryption will be supported with an AES-256 key stored in the fuse bits of the ESP32. Reading this key from outside of the ESP32 is not possible. In addition, we will add secure boot which writes protect the bootloader area. Both measures will make the firmware flashed to our modules fully secure. Expect this update before end Feb.

                                    think about people first, then computers

                                    1 Reply Last reply Reply Quote 1
                                    • D Offline
                                      danielm
                                      last edited by

                                      @Xykon
                                      I sent a mail to support@pycom.io as you suggested in this post:
                                      https://forum.pycom.io/topic/2734/new-firmware-release-v1-17-0-b1-completely-new-lte-class/8

                                      1 Reply Last reply Reply Quote 0
                                      • N Offline
                                        nathanh @nathanh
                                        last edited by

                                        @IOAg @danielm just an update I got my FiPy working on Telstra with your latest firmware. Details posted here: https://forum.pycom.io/topic/2769/telstra-lte-cat-m-working-on-fipy-just

                                        1 Reply Last reply Reply Quote 0
                                        • B Offline
                                          bali @daniel
                                          last edited by

                                          @daniel

                                          Just updated Gpy to new firmware but as soon as i call the LTE class it crashes. Any idea why?

                                          import os
                                          os.uname()
                                          (sysname='GPy', nodename='GPy', release='1.17.0.b1', version='v1.8.6-849-d0dc708 on 2018-02-27', machine='GPy with ESP32')
                                          from network import LTE
                                          lte=LTE()
                                          /Users/danicampora/Code/Espressif/IDF/esp-idf-20180112/components/freertos/./queue.c:718 (xQueueGenericSend)- assert failed!
                                          abort() was called at PC 0x40089fb8 on core 1

                                          1 Reply Last reply Reply Quote 0
                                          • L Offline
                                            livius @daniel
                                            last edited by

                                            @daniel
                                            Is there possibility to store variables in rtc memory from python code?
                                            This memory survive deep sleep.
                                            This is already avaiable by RTC_DATA_ATTR to declare variable stored in RTC memory.

                                            think about people first, then computers

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