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  VS Arduino › Visual Micro › General Board › Condiional compile depending on board type
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Normal Topic Condiional compile depending on board type (Read 2721 times)
roger co
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Condiional compile depending on board type
May 11th, 2015 at 2:47pm
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I have a sketch that I want to run on both Uno and Leonardo. Unfortunately the interupt allocation is different between them
For the Uno (and Mega2560) Int0 is pin 2 and Int1 is pin 3, for Leonardo Int1 is pin 2 and Int0 is pin 3
Is there a way of detecting at compile time whether the target is Uno or Leonardo so that I can change the value of a const accordingly
like:
#if (TARGET=='Leonardo')
     static const int HRInt = 1;
#else
     static const int HRInt = 0;
#endif
  
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Tim@Visual Micro
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Re: Condiional compile depending on board type
Reply #1 - May 11th, 2015 at 2:50pm
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Yes there are a few ways.

I suggest you switch on tools>visual micro>verbose

Then build once for each board and look at the output. You will see a number of -D defines in the compiler statements. you can use any of them in your code, for example, #if BOARD

Thanks
  
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roger co
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Re: Condiional compile depending on board type
Reply #2 - May 12th, 2015 at 2:11pm
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Thanks for the clue. This works:
#if (ARDUINO_AVR_UNO)
     static const int HRInt = 0;            // Interrupt for HR = 0 for Uno, 1 for Leonardo
     String UnitID = "UNO";
#elif (ARDUINO_AVR_LEONARDO)
     static const int HRInt = 1;            // Interrupt for HR = 0 for Uno, 1 for Leonardo
     String UnitID = "LEONARDO";
#else
     static const int HRInt = 0;
     String UnitID = "Default";
#endif

  
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