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  VS Arduino › › › Debugging wiring
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Normal Topic Debugging wiring (Read 1479 times)
HomerRamone
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Debugging wiring
Mar 23rd, 2022 at 6:29pm
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There are 2 links for debugging wiring here:
https://www.visualmicro.com/page/ESP32-Debugging.aspx
Debugging and Debugging+Serial

Whats the difference between these two. 

Also in the latter debugger pin 6 looks to be connected to I00 on the ESP - my ESP doesnt seem to have this pin Sad

Finally in the diagram for ESP Devkit to External ESP32 which way is it going ? Using the devkit to debug external or vice versa.

Thanks
  
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Simon@Visual Micro
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Re: Debugging wiring
Reply #1 - Mar 24th, 2022 at 11:18am
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Quote:

Debugging and Debugging+Serial

Whats the difference between these two.

The Debugging diagrams show just how to connect the debug probe to the board, so to use serial you will need to connect the USB cable as well.
The Debugging + Serial, mean the serial lines are passed through the debug probe as well, so you can have both debugging and serial through the single USB lead to the debug probe.

Quote:
Also in the latter debugger pin 6 looks to be connected to I00 on the ESP - my ESP doesnt seem to have this pin Sad

IO0 is one of the bootstrapping pins, so it is normally broken out somewhere on the board. Which module do you have?

Quote:
Finally in the diagram for ESP Devkit to External ESP32 which way is it going ? Using the devkit to debug external or vice versa.

This setup is using the Devkit's onboard debug probe, to debug an external ESP32 module
  
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HomerRamone
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Re: Debugging wiring
Reply #2 - Mar 24th, 2022 at 11:50am
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Quote:
Debugging and Debugging+Serial


So as long as I connect both devices with USB I can just connect with the first wiring diagram ? 

Quote:
IO0 is one of the bootstrapping pins

My module is one of these:
https://www.amazon.co.uk/gp/product/B07VJ34N2Q

On of the debuggers I have is this one:
https://www.amazon.co.uk/gp/product/B0933B8TCW

Quote:
ESP Devkit

So just like using my devkit as one smaller debugger I already have. Thats what I figured, thanks.

  
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Simon@Visual Micro
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Re: Debugging wiring
Reply #3 - Mar 24th, 2022 at 12:24pm
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So as long as I connect both devices with USB I can just connect with the first wiring diagram ?

That's correct, if using both USB Connections generally you shouldn't need to connect the VCC line between the probe and the ESP.

Thanks for the board information, and it should work with the serial passthrough without the IO0 connected.
  
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