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  VS Arduino › Visual Micro › Installation & Troubleshooting › Teensy 3.1, Compile - How to set options speed/keyboard etc.
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Hot Topic (More than 8 Replies) Teensy 3.1, Compile - How to set options speed/keyboard etc. (Read 7874 times)
Nick Belmont
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Teensy 3.1, Compile - How to set options speed/keyboard etc.
Nov 15th, 2014 at 2:38am
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Hi All,
I just setup Visual Community Edition 2013 and Visual Micro to try as my build environment for a project Im working on with a Teensy 3.1.

I am using a new project created from File/New/Sketch Project

Teensy sketches are able to compile in the arduino IDE, but when I try to compile from within Visual Studio with Visual Micro, I get errors such as 'error: 'Serial' was not declared in this scope'


I have gone into the configuration manager and setup a profile for teensy, pointing at my arduino install directory with my sketch directory blank (to use default).  I have also tried manually setting it.

Project Menu - Add/Import sketch library shows both User and Core libraries available, and inserts the headers when I select one.  While troubleshooting I have tried duplicating all my settings from Arduino IDE (such as programmer type), but without any success.

Can anyone provide any guidance to help get this working?
« Last Edit: Nov 15th, 2014 at 3:54pm by Tim@Visual Micro »  
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Nick Belmont
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Re: Teensy 3.1, Compile - How to set options speed/keyboard etc.
Reply #1 - Nov 15th, 2014 at 5:29am
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To fix this error (Not being able to find standard directories despite compiling to the correct target in the output), I had to modify the boards.txt file in the teensy directory.

I found these lines listed twice, so I removed 1 set

Code
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menu.usb=USB Type
menu.speed=CPU Speed
menu.keys=Keyboard Layout


Then I also had to uncomment these lines:


Code
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#uncomment these 3 lines for use with Visual Micro + Studio 6
teensy31.build.option5=-DF_CPU=96000000
teensy31.build.option6=-DUSB_SERIAL
teensy31.build.option7=-DLAYOUT_US_ENGLISH
« Last Edit: Nov 15th, 2014 at 3:55pm by Tim@Visual Micro »  
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Tim@Visual Micro
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Re: Teensy 3.1, Compile - How to set options speed/keyboard etc.
Reply #2 - Nov 15th, 2014 at 3:53pm
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Hi Nick,

As you have discovered for Teensy you have to define which options you would like to use. Normally this done by following the instructions on our Teensy page or as you have found by editing the boards.txt with the options that you want to use such as speed/keyboard/serial/midi etc.

Thanks
« Last Edit: Nov 15th, 2014 at 3:55pm by Tim@Visual Micro »  
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Nick Belmont
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Re: Teensy 3.1, Compile - How to set options speed/keyboard etc.
Reply #3 - Nov 15th, 2014 at 5:54pm
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I did follow the instructions on the teensy page, thats what lead to me poking around the boards.txt file, but after following the instructions, I was only able to compile sporadically (sometimes it would work, sometimes not). 

Un commenting the values in the boards.txt seems to have fixed it permanently (across projects)

Great product and great job!
  
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Re: Teensy 3.1, Compile - How to set options speed/keyboard etc.
Reply #4 - Nov 15th, 2014 at 7:14pm
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Hi Nick,

Thanks for the great info and support.

When you were relying on the project properties were you also switching between configurations such as Debug/Release?

Thanks
  
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Re: Teensy 3.1, Compile - How to set options speed/keyboard etc.
Reply #5 - Nov 15th, 2014 at 10:54pm
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I was changing debug/release mode while troubleshooting (as well as a number of other things), but editing the boards.txt seems to have been the most consistent solution for me.

Today I am able to switch between arduino and teensy projects with ease, both compiling to the correct targets, without having to assign the options as in the teensy page.
  
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Re: Teensy 3.1, Compile - How to set options speed/keyboard etc.
Reply #6 - Nov 15th, 2014 at 11:03pm
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Thanks. Is it possible you added the project settings to "defines - configuration" instead of "defines - project"?

The Release/Debug combobox on the tool bar are called "Configurations" and allow for configuration specific defines. 

In the case of the teensy defines you certainly want them to apply to the project and therefore be used by the compile for all configurations.

The two sets are merged together at compile time allowing you to switch on and off your own code but also ensuring certain defines are always applied.

Sorry if you knew this?

  
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Re: Teensy 3.1, Compile - How to set options speed/keyboard etc.
Reply #7 - Nov 15th, 2014 at 11:55pm
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In Visual Studio 2013 Community, I selected the top level in solution explorer and filled out the properties from the teensy page in the properties editor.

The instructions on the teensy page didnt align 1:1 with the version of Visual Studio Im using, this was the only place I remember finding the options as specified from the teensy page before opening the boards.txt
  
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Re: Teensy 3.1, Compile - How to set options speed/keyboard etc.
Reply #8 - Nov 16th, 2014 at 12:02am
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Thanks, I'll re-visit the doc
  
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ST Cortex M4?
Reply #9 - Nov 18th, 2014 at 1:44pm
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