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Author Topic: J-link v8 & Pico PI  (Read 2280 times)
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sudni
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« on: April 29, 2021, 09:51:46 09:51 »

Hi all, I use probe Stlink v2 convert in J-link to debug Pico Pi (raspberry Pi pico) and it doesn't work! Embarrassed
Now I am tempted to purchase a Jlink v8 probe for debugging Pico Pi, but I have a doubt. Lips sealed

Is there anyone among you who has already used this probe to debug this card?
Thanks for your help,
Paul.
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pickit2
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« Reply #1 on: April 29, 2021, 11:18:55 11:18 »

seen this on a bookmarked page
Quote
Segger have released an updated firmware for their inexpensive J-Link Edu Mini (USD$18)
and their superb Ozone debugger, that allows Raspberry Pi Pico to be debugged like any other J-Link enabled device.

https://wiki.segger.com/Raspberry_Pi_Pico
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wild
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« Reply #2 on: April 30, 2021, 05:57:02 05:57 »

forget it! v8 hardware will NEVER support RPi Pico processor.
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h0nk
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« Reply #3 on: April 30, 2021, 03:50:35 15:50 »

Hello,

forget it! v8 hardware will NEVER support RPi Pico processor.

To my best knowledge, the RPi i Pico is an ARM-M0 Architecture.
The debug core should be pretty the same as other M0's.

And even the JLink v8, which mean its Atmel AT91SAM7S based, should be able
to handle ARM M0 in SWD-Mode.

I am not sure, what generation/version a "J-Link Edu Mini" might be.
But i would assume, that it should be able to handle a ARM M0 too.

Can someone explain what goes wrong?


Best Regards
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kreutz
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« Reply #4 on: April 30, 2021, 05:27:38 17:27 »

As per: https://wiki.segger.com/Raspberry_Pi_RP2040

"The Raspberry Pi RP2040 is fully supported by J-Link. Support was implemented with J-Link Software Pack V6.96.

Note:There seems to be a chip specific issue when trying to reconnect to the target device or if you switch connecttion to the second core. Instead of power cycling this can be solved by connecting Reset (Pin 15) from the J-Link to Pin "RUN" (Chip enable/Reset) of the RP2040."
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bobcat1
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« Reply #5 on: May 02, 2021, 08:17:15 08:17 »

Hi ,
Not sure it will work with converted ST-LINK to J-LINK as far as I know the soft in the debugger only work with ST IC ,

But the it might work with General J-Link debugger as this tool is working with al type of ARM controllers

All the best ,

Bobi
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CortexM0Inside
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« Reply #6 on: May 05, 2021, 06:17:47 06:17 »

Hi all, I use probe Stlink v2 convert in J-link to debug Pico Pi (raspberry Pi pico) and it doesn't work! Embarrassed
Now I am tempted to purchase a Jlink v8 probe for debugging Pico Pi, but I have a doubt. Lips sealed

Is there anyone among you who has already used this probe to debug this card?
Thanks for your help,
Paul.


Try with my JLink BluePill R0 and JLink Software V7.xx, It should work.
http://www.sonsivri.to/forum/index.php?topic=69113.0
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CortexM0Inside
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« Reply #7 on: May 12, 2021, 04:26:10 16:26 »

From Segger Forum : "Subsequent Connections to RP2040 Fail"

Hi,
We did not forget about this. Wink

The problem here is, that we currently have a lot of projects with their timeline approaching.

This issue will be addressed as soon as possible, however, there are currently no resources available for this.
We will come back to this thread as soon as we fixed this issue.

Alternatively / additionally you could subscribe to our release newsletter:
segger.com/notification/subscribe.php?prodid=7,94

We are sorry for any inconvenience caused.

Best regards,
Fabian
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