Remora - ethernet NVEM cnc board

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21 Sep 2022 21:56 #252537 by scotta
There's little change to trace the circuit without removal of the RT1052 from the board. I've got some solder balls, kapton tape and some SMD clips and super fine probes on the way.

I was hoping that the EC300 would be a similar board layout to the NVEM 2.1. They are similar but MX_Master we'll need to rely on you for the pinout for the NVEM 2.1 !
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22 Sep 2022 05:28 #252552 by CBollweg

Hello Christian,

Altough its difficult to see on the video, cam out of focus, looks that you give the right commands.

BTW im not Scott.

Sorry for that 

Maybe he has some sugestions.
Will put Remora on my EC500 to see iff its working.

Christian are you Dutch? No, i am German

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22 Sep 2022 20:17 #252585 by scotta
These NXP chips will be a learning curve for sure. I purchased a clone J-Link OB from Aliexpress and should have read the details. I successfully connected to the RT1052 with the debug probe seeing the Cortex core, but the J-Link OB v7 does not support the Cortex-M7 :-(

I'm now on the search for an affordable solution to program and debug. Maybe a CMSIS-DAP might be the solution. Anyone with a good suggestion would be appreciated. More time waiting for things to arrive....

 
 
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23 Sep 2022 03:51 #252600 by scotta
Looks like I'm going to have a forced break from all Remora development... I had a brain wave to use the J-Link OB to convert my one and only ST-Link V2 to a CMSIS-DAP debugger. The conversion worked, but can I figure out how to use it with the iMX RT1052, well not so straight forward :-(

Not to worry, I can get back to the SKR3 dev work right. I managed to connect my "new" CMSIS-DAP to the STM32H743 with openOCD. Great. But STMCubeIDE cannot use a stand alone openOCD. Only an ST-Link running through openOCD. So no go for the SKR3 work until another ST-Link V2 arrives...

Anyone with pointers / ideas how we can use a CMSIS-DAP with the RT1052 please shout out!

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23 Sep 2022 07:04 - 23 Sep 2022 07:07 #252604 by Bari
Last edit: 23 Sep 2022 07:07 by Bari.

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23 Sep 2022 09:19 - 23 Sep 2022 09:20 #252609 by epineh

 So no go for the SKR3 work until another ST-Link V2 arrives...
 

I just received 4 ST-Links in the mail, be happy to send you a couple.
Last edit: 23 Sep 2022 09:20 by epineh.
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24 Sep 2022 04:50 - 24 Sep 2022 07:50 #252651 by MX_Master
I think we can use two possible options using st-links (or other STM32 boards). First - use DAPLink firmware (github.com/armmbed/DAPLink). Second - use J-Link firmware. I found a couple of useful tips on the electronix.ru forum and will try them when new NVEM will arrive.
Last edit: 24 Sep 2022 07:50 by MX_Master.
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24 Sep 2022 19:51 #252681 by scotta

 So no go for the SKR3 work until another ST-Link V2 arrives...
 
I just received 4 ST-Links in the mail, be happy to send you a couple.

That would be appreciated. My order is not due until the 16th of November....

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24 Sep 2022 20:20 #252682 by Cold Turkey
I'll forward Russell your email so he can get in touch with you Scott.

On a side note, I was talking with an electronics engineer yesterday who worked quite a lot with the STM32 (11,000 units a year). He was saying that there is already over a 7 to 17 month back order on these chips depending on order size and it's getting worse. He and a lot of other people have been moving to other stuff that's more readily available.

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24 Sep 2022 20:23 #252683 by scotta
Thanks! Yes, the chip shortage is impacting everywhere. In my day job we're in hypercare to ensure we get components and equipment in 2023 and 2024. Crazy times.

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