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  VS Arduino › Visual Micro › Hardware Debugging (GDB, GDB WiFi, GDB Stub) › Raspberry Pi Pico Debug Problem
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Hot Topic (More than 8 Replies) Raspberry Pi Pico Debug Problem (Read 4193 times)
omerziya
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Raspberry Pi Pico Debug Problem
Apr 19th, 2023 at 11:39am
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Hello Dear Forum Members;
I'm debugging my Raspberry Pi Pico with ESP32-Prog with no problem in Visual Studio.

I need to use  "Earle Phil Hower's rp2040 core" because my code is just working on this board.
(The Reason is: Wire.h files are different between Phil Hower's and Arduino Mbed OS boards.)

When I change my board to Earle Phil Howers pico in Visual Studio, I'm not able to upload my code with ESP-Prog. (You can see it in ScreenShot.)

Can somebody tell me how to upload&debug my code by using  Phil Hower's pico? 

  
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Simon@Visual Micro
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Re: Raspberry Pi Pico Debug Problem
Reply #1 - Apr 19th, 2023 at 11:49am
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Thanks for the report.

The ESP-PROG is not currently configured for upload for this board, and all available options can be seen on the Board Options > (Option 11) Upload Method menu shown in your screenshot.

Is there any reason you cannot use the standard UF2 upload via the USB port on the RPi Pico Board?
  
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omerziya
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Re: Raspberry Pi Pico Debug Problem
Reply #2 - Apr 19th, 2023 at 12:02pm
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Thanks for quick reply.
I have no idea for how to debug with ESP-Prog while using USB Port upload option. 
What should I do for this combination? Can you explain me?
Thanks.
  
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Simon@Visual Micro
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Re: Raspberry Pi Pico Debug Problem
Reply #3 - Apr 19th, 2023 at 12:08pm
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Documentation: https://www.visualmicro.com/page/RasPiPico-Debugging.aspx
If you set the below options:
vMicro > Debugger > Debug: Hardware
vMicro > Debugger > Hardware Debugger: ESP32 PROG

If you leave the upload method as UF2 as shown in the picture, and ensure you have the USB lead connected to the board it should upload as expected.

As you will now be powering the ESP-PROG and the RPi Pico boards from their own USB connection you need to disconnect the 3v3 line between the ESP-PROG and Rpi Pico if it is connected.  Make sure you leave the GND connected between the two boards.

Once the code is uploaded you can begin a Debug session from the Debug > Attach to Process.  If you want to perform the upload and begin the debugging session in one click use Debug > Start Debugging.

  
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omerziya
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Re: Raspberry Pi Pico Debug Problem
Reply #4 - Apr 19th, 2023 at 1:54pm
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Thank you very much for your time.
I'll follow these steps and upload the topic in a few days. 
See you later Simon!
  
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omerziya
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Re: Raspberry Pi Pico Debug Problem
Reply #5 - Apr 25th, 2023 at 1:04pm
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Simon@Visual Micro wrote on Apr 19th, 2023 at 12:08pm:
Documentation: https://www.visualmicro.com/page/RasPiPico-Debugging.aspx
If you set the below options:
vMicro > Debugger > Debug: Hardware
vMicro > Debugger > Hardware Debugger: ESP32 PROG

If you leave the upload method as UF2 as shown in the picture, and ensure you have the USB lead connected to the board it should upload as expected.

As you will now be powering the ESP-PROG and the RPi Pico boards from their own USB connection you need to disconnect the 3v3 line between the ESP-PROG and Rpi Pico if it is connected.  Make sure you leave the GND connected between the two boards.

Once the code is uploaded you can begin a Debug session from the Debug > Attach to Process.  If you want to perform the upload and begin the debugging session in one click use Debug > Start Debugging.



Hey Simon,
I tried your solution. I successfully uploaded my sketch with a MicroUSB cable then I tried to debug with ESP-Prog but I couldn't. Here is my 2 screenshot. 
1. Finished uploading then selected "Attach to process"
2. Directly selected "Start Debugging".
 
And I wonder that, Which one should I choose? ARM or ARM64?







« Last Edit: Apr 25th, 2023 at 1:06pm by omerziya »  
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Simon@Visual Micro
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Re: Raspberry Pi Pico Debug Problem
Reply #6 - Apr 25th, 2023 at 2:50pm
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Thanks for the update.

This seems to be an issue with the specific version of GDB from the board package and the fact it is on a Windows system.

One workaround is to open a command line and run the below:
setx HOME %USERPROFILE%

Then when you next try to attach the debugger the warning message about the index cache directory should not be shown.
  
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omerziya
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Re: Raspberry Pi Pico Debug Problem
Reply #7 - Apr 25th, 2023 at 3:05pm
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Simon@Visual Micro wrote on Apr 25th, 2023 at 2:50pm:
Thanks for the update.

This seems to be an issue with the specific version of GDB from the board package and the fact it is on a Windows system.

One workaround is to open a command line and run the below:
setx HOME %USERPROFILE%

Then when you next try to attach the debugger the warning message about the index cache directory should not be shown.


I didn't understand that what did you mean by Quote:
One workaround
  
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Simon@Visual Micro
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Re: Raspberry Pi Pico Debug Problem
Reply #8 - Apr 25th, 2023 at 3:11pm
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If you open a command prompt on your pc, and run the command stated, it will stop the error appearing about the index cache directory which you are seeing when you try to attach the debugger.
  
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omerziya
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Re: Raspberry Pi Pico Debug Problem
Reply #9 - Apr 26th, 2023 at 6:16am
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I tried but it didn't fix the error.
  
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Simon@Visual Micro
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Re: Raspberry Pi Pico Debug Problem
Reply #10 - Apr 26th, 2023 at 9:16am
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If you run the below commands in the command prompt what is the output?
ECHO %HOME%
one-eabi-gdb.exe

  
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omerziya
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Re: Raspberry Pi Pico Debug Problem
Reply #11 - Apr 26th, 2023 at 11:34am
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Code
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'one-eabi-gdb.exe' is not recognized as an internal or external command,
>> >> operable program or batch file.


I was able to use ESP-prog debugging before trying this board, as you can remember.

  
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Simon@Visual Micro
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Re: Raspberry Pi Pico Debug Problem
Reply #12 - Apr 26th, 2023 at 12:11pm
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Ah, sorry I hadn't noticed the forum had misinterpreted the commands, can you try the ones from the attached text file and send the output from both commands (either as a text file or a screenshot).
  
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omerziya
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Re: Raspberry Pi Pico Debug Problem
Reply #13 - Apr 26th, 2023 at 1:42pm
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Here you can see the output message.
  
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Simon@Visual Micro
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Re: Raspberry Pi Pico Debug Problem
Reply #14 - Apr 26th, 2023 at 1:44pm
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Thanks for confirming, this shows that GDB is no longer producing the Index cache error (its normally the first message shown when run from the command line).

When you try and start debugging in Visual Studio are you seeing a different error now this element is resolved?
  
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omerziya
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Re: Raspberry Pi Pico Debug Problem
Reply #15 - May 2nd, 2023 at 6:17am
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Simon@Visual Micro wrote on Apr 26th, 2023 at 1:44pm:
Thanks for confirming, this shows that GDB is no longer producing the Index cache error (its normally the first message shown when run from the command line).

When you try and start debugging in Visual Studio are you seeing a different error now this element is resolved?


Sorry for the late reply. I'll try the debugging in a few days. Nowadays, I'm so busy.
  
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discman
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Re: Raspberry Pi Pico Debug Problem
Reply #16 - Jun 24th, 2023 at 4:27am
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Hi Simon,
Please pardon me for jumping into this thread.

I’ve been using a PicoProbe successfully until today.  When I launched VM, it popped up a dialog about some path settings.  After clicking OK, I now am no longer able to “Attach the Debugger”.

I saw this thread and worked through the messages.  I now at the exact output as omerziya had reported in Reply #13 above.  When I attempt to Attach, I get:
   “Unable to start debugging. GDB exited unexpectedly with exit code 1”

Can you please suggest what I can do next?
Thank you.

Problem is fixed after updating to 2023_0507_2203.
« Last Edit: Jun 24th, 2023 at 11:14pm by discman »  
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