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[Sticky] Mac OSX Operating System Update Guide


Eric
 Eric
(@eellis)
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Joined: 2 years ago
Posts: 44
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Here is the link to the OSX USB Update Guide.


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soultech
(@soultech)
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Joined: 9 months ago
Posts: 1
 

Hi - The update instructions only refer to updating an OCTOPUS.  I have a NEMO, will these instructions work the same?  If anyone has any Mac OS specific update instructions, that would be greatly appreciated.

thanks!

Eric


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Jean Blanc
(@jean)
Member Admin
Joined: 2 years ago
Posts: 16
 

@soultech

Hi Eric,

The upgrade path for the Nemo is the same as the Octopus except............

For the Nemo you would change the command in item 4. Write the new OS file to Octopus flash to.....

     fis create -b 0x00010000 -l 0x00070000 -f 0x01820000 NEMO_OS.elf

 

Best

Jean

 


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

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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Eric
 Eric
(@eellis)
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Joined: 2 years ago
Posts: 44
Topic starter  

Hi Andy,

I'll try to help out. Let's first verify your terminal settings. Maybe it is trying to transfer too fast. I don't know if you have done this before but there is a timeout after you issue the command to upload the OS file where you have to quickly select the ELF in the Finder. Here are my settings (see attached).


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

Hi Eric,

Thanks very much for the post.

Terminal settings are the same here and I am sending the file pretty quickly, one "C" has been logged.

I have tried forcing ymodem mode and binary mode: lsz -b --ymodem ...

It's just really strange it cancels at exactly the same place on each machine, all are using lsz though.

I'm trying to track down an XP VM I have somewhere to try hyper term, otherwise I have JTAG gear here so I could maybe rip it apart and use openocd, that at the moment is last resort though 🙂

Cheers

Andy


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