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  VS Arduino › › Recycle Bin › How to debug Serial
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Very Hot Topic (More than 25 Replies) How to debug Serial (Read 3922 times)
arduino1
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How to debug Serial
Oct 6th, 2020 at 3:07pm
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Tried to debug serial on Blue Pill connected via USB with STM32duino bootloader flashed.
First I try uploading in release mode. I chose Generic STM32F103C series, Variant ...128K (device has that).
Uploading works.

Then I switch to Debug. 
By magic the device is changed to Generic STM32F1 series, subdevice Blue Pill 103C 
and I can no longer chose Serial for Uploading.
Rather the Maple DFU bootloader (and other hardware devices) are offered.
So, shall one flash different bootloaders when switching from Release to debug?????

  
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Simon@Visual Micro
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Re: How to debug Serial
Reply #1 - Oct 6th, 2020 at 3:29pm
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Thanks for the report.

Do you have the below option enabled?
vMicro > General > "Save Board, Port and Programmer for Each Configuration"

If yes, you will need to re-select the board, port and programmer when switching from Release Configuration to Debug Configuration for the first time.

Further information can be found on the Visual Micro Build Configurations Page.
  
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arduino1
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Re: How to debug Serial
Reply #2 - Oct 6th, 2020 at 3:56pm
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Then this happens:
see attachment
  
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Simon@Visual Micro
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Re: How to debug Serial
Reply #3 - Oct 6th, 2020 at 4:14pm
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You have the Debug set to Serial (vMicro > Debugger > Debug: Serial), if you change this to OFF it should build as expected.

If you are trying to use the Serial Debugger, it seems the vMicro > Debugger > Advanced ... > Remote Port has been set to "SerialUSB", which is not needed for the Blue Pill.
  
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arduino1
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Re: How to debug Serial
Reply #4 - Oct 6th, 2020 at 4:55pm
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When I switch on Debug, but off debug:serial, it compiles, but a breakpoint is not being served.
No window for monitor digital pins. Vmicro just finishes.
  
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Simon@Visual Micro
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Re: How to debug Serial
Reply #5 - Oct 6th, 2020 at 5:04pm
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Thanks, as you are trying to use the Serial Debugger, this will need to be set to Debug: Serial again.

Then ensure that the Advanced option shown in the previous post has not been set to SerialUSB.

  
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arduino1
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Re: How to debug Serial
Reply #6 - Oct 6th, 2020 at 7:02pm
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Thanks, did so, but then:
VM_DBG.h: 73:28: fatal error: SoftwareSerial.h: No such file or directory
   #include <SoftwareSerial.h>
   compilation terminated
I found and scattered that library to several folders and restarted Studio.
Didn't help. Error:
VM_DBG.h:73: In file included from
Blink.ino: from
SoftwareSerial.h: 27:43: fatal error: circular_queue/circular_queue.h: No such file or directory
   #include "circular_queue/circular_queue.h"
« Last Edit: Oct 6th, 2020 at 7:03pm by arduino1 »  
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Simon@Visual Micro
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Re: How to debug Serial
Reply #7 - Oct 6th, 2020 at 8:52pm
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The Software Serial Library isn't available in Roger Clark's STM32 core libraries, so isn't available to build for the debugger in this instance.

Do you have a user library installed for Software Serial it should be finding?

(The official Stm32duino core does however contain a version of the Software Serial Library, but it may be incompatible with the other core...)
  
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arduino1
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Re: How to debug Serial
Reply #8 - Oct 7th, 2020 at 9:18am
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Wow. It was a lot of work (the whole morning) to direct Arduino to the right Softwareserial library.
Maybe this is of interest to you also: Softwareserial for the Maple core
https://www.hackster.io/rayburne/color-barometric-extension-to-gps-date-time-clo...

By now Serial Debug is working when compiling in Release mode. 
The Debug mode throws error, is that being meant that way?

The digital pins being monitored are just those from the com port used for uploading.
How to see the digital pins from e.g. PC13 in the blink example?
  
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Re: How to debug Serial
Reply #9 - Oct 7th, 2020 at 3:37pm
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Thanks for the information about the library, we will give it a go.

Can you attach the logs for compiling in Debug mode and in Release Mode so we can understand and compare further?

The digital pin monitor can be enabled from the vMicro > Debugger > Monitor Digital Pins option.
  
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arduino1
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Re: How to debug Serial
Reply #10 - Oct 7th, 2020 at 6:56pm
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Have a look please.
  
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Tim@Visual Micro
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Re: How to debug Serial
Reply #11 - Oct 7th, 2020 at 7:00pm
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Please add screen shot of vMicro>Debugger menu when Release is selected and one when Debug is selected.

Thanks
  
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arduino1
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Re: How to debug Serial
Reply #12 - Oct 7th, 2020 at 7:45pm
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Voila
  
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Tim@Visual Micro
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Re: How to debug Serial
Reply #13 - Oct 7th, 2020 at 7:47pm
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Those are tool bars Smiley

Please add screen shot of vMicro>Debugger menu when Release is selected and one when Debug is selected.
  
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arduino1
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Re: How to debug Serial
Reply #14 - Oct 7th, 2020 at 8:05pm
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new
  
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Tim@Visual Micro
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Re: How to debug Serial
Reply #15 - Oct 7th, 2020 at 9:01pm
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Thanks and also a screen shot of the debug project properties for the one that fails like the one below.

  
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arduino1
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Re: How to debug Serial
Reply #16 - Oct 8th, 2020 at 6:49am
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there.
« Last Edit: Oct 8th, 2020 at 6:50am by arduino1 »  
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Tim@Visual Micro
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Re: How to debug Serial
Reply #17 - Oct 8th, 2020 at 7:37am
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So now you see the difference? The build error mentions serialUSB is unknown and for some reason you have entered it as a value.
  
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arduino1
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Re: How to debug Serial
Reply #18 - Oct 8th, 2020 at 10:52am
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Release compiles, Debug doesn't, recommends using Release.
The settings to get it working look little unexpected (Release, Debug:Serial?).

Anyway, is it possible to watch PC13?
void loop() {
  digitalWrite(PC13, HIGH);   // turn the LED on (HIGH is the voltage level)

  
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Tim@Visual Micro
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Re: How to debug Serial
Reply #19 - Oct 8th, 2020 at 11:18am
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Why set serial as local port when trying to use software serial?
Why post two unrelated screen shots?
Why have you not made your debug settings same as release which works?

Please only ask one question at a time so you can focus on the answer.

I think you have the capability to resolve by undoing the incorrect settings you have added.
« Last Edit: Oct 8th, 2020 at 11:19am by Tim@Visual Micro »  
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