FiPy - getting started
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One more thing that I will try is to re-flash the chip - during one of the successful FTP connects I noticed lots of identical CDUP files that I was not able to delete...
That is indeed strange. A clean Pycom device should only show the default boot.py, main.py and three empty directories cert, lib and sys. And yes, using the pycom updater you have the option to erase the flash.
That's what leads me to conclusion that the chip is defective...I purchased it from Seeed that was the least expensive $39 instead of other names such as Digi-Key and Mouser that offered it for $60-$70. My understanding is that Seeed is a Chinese company and maybe the lower price has its reason.
That is too interesting. I looked at that page, and it shows a version # 1.0r on the back side. That model has a problem, in that is only support a limited number of LTE channels. That cannot be fixed by software. So maybe that is the reason why it is way cheaper than the actual model, which is version 1.2. It works in some regions, and the other components are fine.
Edit: Pycom has a RMA process for replacing 1.0 devices with 1.2 models.
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@robert-hh
"Pycom has a RMA process for replacing 1.0 devices with 1.2 models."
That's a great news.
I really exhausted all options - tried cmd-line FTP: no luck.
I re-flashed the FiPy - same thing as before. Finally got through with Filezilla only to see that both /flash dir and /flash/dir contain those weird CDUP folders (see below).
...numerous days spend/wasted...
Any specific links to their RMA process?BTW, thank you, Robert, I appreciate your patience.
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@securigy You can use esptool.py to erase the flash. That's the simple tool behind the pyupgrader and will really erase everything.
link here: https://github.com/espressif/esptool
But you may also able to install it with pip.
The you can upload the firmware again. I'm still puzzled about the IP address 192.168.1.177. Are you sure that you connect to the right device? A really clean installed new device should create an access point with the address 192.168.4.1. Unless you computer is not configured to that address space 192.168.4.x, you will not be able to detect it.
For the rma, look here: https://forum.pycom.io/topic/3843/important-news-regarding-cat-m1-and-nb-iot-cellular-range -
@robert-hh After using the firmware upgrader/updater tool I disconnect and reconnect power to WiFy simply by unplugging USB cable and plugging it back. After that - you cannot see FiPy as AP - it does not show up in the list of wireless network and there is no FTP access to 192.168.4.1. The upload via COM/UART (in my case COM15) is not working - failing to copy files. The only way I could get something is by executing WLAN commands from command line and assigning a static IP address - in my case 192.168.1.177. After that there is 10% success rate of FTP connection (with 1% success rate of file transfers) and 0.1% success rate of COM/UART file transfers. Those numbers are not exact numbers - my impression only. And as you could see the FPT shows lots of garbage of CDUP directories...
I already contacted Pycom RMA and am waiting for their response. In fact I just wanted to buy another FiPy from another source but everywhere I go (digi-key, mouser, etc.) I see FiPy 1.0. The FiPy 1.2 is nowhere to be found. Even if you follow the link from Pycom.io - I am puzzled...
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@securigy You can tell the model you have by looking at the bottom side of it. The top side always shows 1.0.
About the garbage files: If erasing and reloading firmware worked, they should be gone. So I assume that something went wrong. -
@robert-hh The version says: 1.0r
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@securigy OK. So it is the old version. But besides the limits for LTE, it should work normally. So the device may have other defects.
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@robert-hh BTW, same question again: where can I buy FiPy 1.2 ?
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@securigy The one you purchase at Pycom should be new ones. The pictures on teh web site may be old.
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@robert-hh So far I am very disappointed with Pycom.io sales - they are simply not responsive. I asked them a question about v1.2 and pointed out that there is no information whatsoever on their web site whether what you buy is v1.2 and that the images show 1.0r
**Got no response...**I have never seen anything like that...
I also got no response to my RMA request for defective FiPy 1.0r from Seeed Studio, despite that I provided all the info requested requested by them. Makes me think that there is no sales department per se. -
@securigy Pycom is notoriously slow on responses.
Try to mail to bettina@pycom.io (I hope remember the address right).
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