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  VS Arduino › › › esp8266 debug not working
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Hot Topic (More than 8 Replies) esp8266 debug not working (Read 11081 times)
chris52
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esp8266 debug not working
Feb 16th, 2017 at 10:38pm
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My sketch is working fine, and have now also got a OTA upload working (thanks to your earlier help today). But I cannot get the debugger to deal with any breakpoints I set, either with USB upload/debug or using OTA.
I guess I must be missing a setting somewhere  (I have debugged successfully with a UNO and a Mega256 so know the basic methods).
Am using the latest release.
  
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Tim@Visual Micro
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Re: esp8266 debug not working
Reply #1 - Feb 17th, 2017 at 12:14am
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When you build does it say compiling debug version?
  
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chris52
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Re: esp8266 debug not working
Reply #2 - Feb 17th, 2017 at 10:52am
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Not sure, in the build log I have both
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build.vm.build.vmdebug=0

and
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vm.debug=true

Full file attached.
  
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Tim@Visual Micro
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Re: esp8266 debug not working
Reply #3 - Feb 17th, 2017 at 1:18pm
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Hi,

The compile shows :-

Compiling 'OTA_DHT' for 'Adafruit HUZZAH ESP8266'

That's not a debug build.

If the tool bar set to Release or Debug?

Thanks
« Last Edit: Feb 17th, 2017 at 1:19pm by Tim@Visual Micro »  
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chris52
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Re: esp8266 debug not working
Reply #4 - Feb 17th, 2017 at 3:19pm
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Tool bar is set to 'Debug'. But I had 'automatic debugging' switched off in the menu because I couldn't compile in debug mode  with the previous version. Now re-enabled 'automatic debug' but getting this from compiler:
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OTA_DHT.ino: 149:38: error: '__VisualMicro_DEBUG_2_GLastMillis__' was not declared in this scope
   Serial.println("closing connection");__VisualMicro_DEBUG_2_GLastMillis__=
    debugger: The error shown above might be caused by invalid breakpoint syntax or the board is not yet supported for debugging.
                 If this is an unsupported debug board then switch the tool bar from 'Debug' to 'Release' and try the build again
  
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Tim@Visual Micro
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Re: esp8266 debug not working
Reply #5 - Feb 17th, 2017 at 3:33pm
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Hi,

Please switch on "vmicro>compiler>show build folder"

Then make a debug build.

The output will contain a file:/// link to the build folder

In the build folder will be a .cpp with the same name as your project.

Please zip and email the .cpp to info[at]visualmicro.com or post it here.

Thanks
  
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chris52
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Re: esp8266 debug not working
Reply #6 - Feb 17th, 2017 at 4:37pm
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Ok here goes...renamed from .cpp to .txt
  
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Tim@Visual Micro
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Re: esp8266 debug not working
Reply #7 - Feb 17th, 2017 at 8:56pm
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There will be an update of visual micro in the gallery later today.

This is a bug that crept in a few weeks ago if the project has more than one break-point with a millis HitCount condition.

Thanks for the report.
  
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Tim@Visual Micro
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Re: esp8266 debug not working
Reply #8 - Feb 19th, 2017 at 10:45pm
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Visual Micro 1802.18 has been released with a fix
  
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chris52
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Re: esp8266 debug not working
Reply #9 - Feb 21st, 2017 at 4:53pm
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Thanks, I installed the update*. Still got the same issue, it won't compile with a breakpoint on hit count. Other breakpoints (with log to output window) compile OK but I get no output. All works OK with a USB connection.
*but if I look at Tools/Options/VisualMicro/Version I get 1.1702.15

I'm putting the ESP8266 aside for a while; apart from this debug issue, the OTA update seems too unreliable for me. I'm continuing with a UNO project and will try with the ESP again later.
  
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Re: esp8266 debug not working
Reply #10 - Feb 21st, 2017 at 4:55pm
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Did you remove the hit count from the 2nd breakpoint to confirm what the issue was?
  
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chris52
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Re: esp8266 debug not working
Reply #11 - Feb 21st, 2017 at 5:07pm
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With two breakpoints just giving an output message (but no hit count) it would compile but I got no messages when it ran.
If I change one of those breakpoints to a hit count I get the compile error.
When running with the connection to COM6 (pretty much the same code, but not using OTA at all) breakpoints all work as expected.
  
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Re: esp8266 debug not working
Reply #12 - Feb 21st, 2017 at 11:56pm
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When using ota the mcu has to logon to the network so there is a much longer pause while debug starts. Possibly 5-10 seconds.

Can you confirm that with ota, when the serial monitor opened for debug the title showed the correct ip address?

Is the esp8266 using dynamic ip address or fixed?
« Last Edit: Feb 21st, 2017 at 11:57pm by Tim@Visual Micro »  
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chris52
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Re: esp8266 debug not working
Reply #13 - Feb 22nd, 2017 at 9:32am
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Correct address shown, yes. It's dynamic at present but I could try fixing it.
After uploading the sketch over OTA I usually have to reset the board, which kind of defeats the object of OTA. So something else appears to be wrong (not  to do with VisualMicro, I appreciate, but this may be affecting the results I'm getting. Doesn't explain the compile error though!)
  
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Re: esp8266 debug not working
Reply #14 - Feb 22nd, 2017 at 12:51pm
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Dynamic is fine but takes a few extra seconds to establish an ip via the dhcp server. 

I have seen the OTA reset issue. It's related to the usb connection to the pc. Switch the usb to "power only"  adaptor (no data) and it will work flawlessly.

If you do keep the usb/pc/serial connection then make sure the DTR and RTS are OFF on the serial monitor or it can cause the issue. If the problem does happen then toggle the RTS on the serial monitor On then OFF. This will cause the esp to reboot and work properly again (avoids pulling the cable or pressing reset).

« Last Edit: Feb 22nd, 2017 at 1:19pm by Tim@Visual Micro »  
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chris52
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Re: esp8266 debug not working
Reply #15 - Feb 22nd, 2017 at 3:18pm
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Ah! Thanks, yes. I fact I think I discovered this just before I went on holiday. Then forgot when I came back. 
So now my module is just powered by a phone charger. And it repeatedly uploads new code. Hurrah!
Still no output to the 'expressions' window for the IP though. I know the code is passing through the breakpoints because data is being successfully sent up to my website.

p.s. I have Serial.print statements still in my code, which do nothing now of course. Is there an equivalent 'ip.print ' command of some kind?
  
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Re: esp8266 debug not working
Reply #16 - Feb 22nd, 2017 at 4:04pm
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ip print is coming soon.

When debug starts and the serial monitor opens does it show a com port or ip address at the top?
  
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chris52
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Re: esp8266 debug not working
Reply #17 - Feb 22nd, 2017 at 7:49pm
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when debugging starts, two windows open: 'Expressions on 192.168.1.104' and 'Network 192.168.1.104'.
The expressions window stays blank; the network window says 'opening port / port open'
  
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Re: esp8266 debug not working
Reply #18 - Feb 22nd, 2017 at 10:02pm
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Thanks, are breakpoints one-time execute in setup() or in a place that is hit regularly?
  
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Re: esp8266 debug not working
Reply #19 - Feb 22nd, 2017 at 10:49pm
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In a loop, happening twice per minute.
  
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