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Trouble updating NEMO


AndyCap
(@andycap)
Member
Joined: 2 years ago
Posts: 12
Topic starter  

Hi Guys,

I am having troubles updating my Blue Nemo, the modem transfer always fails at exactly the same place (294k), I have tried on a Mac Desktop, Ubuntu VM and a Mac laptop.

Sending: NEMO_OS_v500.elf
Ymodem sectors/kbytes sent: 2353/294kRetry 0: Cancelled
Transfer incomplete
Entry point: 0x00010040, address range: 0x00010000-0x000518b4
xyzModem - CRC mode, 1(SOH)/295(STX)/1(CAN) packets, 3 retries

I have used the mfill and dump commands to verify the ram is ok, no problem there.

Anyone any ideas?

Many thanks

Andy

This topic was modified 6 months ago by AndyCap

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AndyCap
(@andycap)
Member
Joined: 2 years ago
Posts: 12
Topic starter  

Hi Guys,

I added a new post with this but thought I would add it here as well as it may notify people!

 

I am having troubles updating my Blue Nemo, the modem transfer always fails at exactly the same place (294k), I have tried on a Mac Desktop, Ubuntu VM and a Mac laptop.

Sending: NEMO_OS_v500.elf
Ymodem sectors/kbytes sent: 2353/294kRetry 0: Cancelled
Transfer incomplete
Entry point: 0x00010040, address range: 0x00010000-0x000518b4
xyzModem - CRC mode, 1(SOH)/295(STX)/1(CAN) packets, 3 retries

I have used the mfill and dump commands to verify the ram is ok, no problem there.

Anyone any ideas?

Many thanks

Andy


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handsfelloff
(@wilson)
Member Admin
Joined: 2 years ago
Posts: 19
 

Hi Andy,

I am pretty sure from above output that the transfer was ok, rather this is just rather unhelpful feedback from the ymodem transfer (I always see the same thing)!

For piece of mind after the Nemo transfer to test/confirm this we can run the v5 code (without flashing) by entering the following command:

go 0x00010040 

If all goes well you can be confident to flash next transfer 👍

Wilson

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AndyCap
(@andycap)
Member
Joined: 2 years ago
Posts: 12
Topic starter  

Hi Wilson,

Ooh, thanks for that. Will give it a go after work and get back to you.

Cheers

Andy


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AndyCap
(@andycap)
Member
Joined: 2 years ago
Posts: 12
Topic starter  

Hi Wilson,

Running from the ram seems ok.

do you know any way of backing up the 1.62 version installed before flashing?

cheers

Andy


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Eric
 Eric
(@eellis)
Member Admin
Joined: 2 years ago
Posts: 46
 

Hi,

We have copies of it if needed. It is also stored online if the original CVS (fork) repo. https://sourceforge.net/projects/genoqs-fork/

v5 was primarily about doubling the grid size and fixing bugs. You probably won't want to roll back.


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AndyCap
(@andycap)
Member
Joined: 2 years ago
Posts: 12
Topic starter  

Hi Eric,

Thanks for the info.

The only reason to roll back is if there is some stuff missing in the transfer and after a while It goes bang!

I'll grab the file from cvs and test I can transfer that.

Many thanks for all the help guys.

 

Cheers

Andy


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handsfelloff
(@wilson)
Member Admin
Joined: 2 years ago
Posts: 19
 

@andycap

Great Andy sounds like you are good to go 🍻 


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AndyCap
(@andycap)
Member
Joined: 2 years ago
Posts: 12
Topic starter  

@wilson

Yes, thanks very much for all your help.


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