Hi
a program that compile correctly under arduino do not compile under Visual Micro.
The error report say: 
 
cc1101.h*: 298:5: error: 'SPI' does not name a type
   SPI spi

I use the same cc1101 library in another visual micro project without problem.

What could be?

Thanks 

Hi,

I have now tested this report and I think I can give you some information that will help understand and resolve.

The version of the arduino ide that you are using was in an interim state when it comes to discovering libraries. In visual micro if you switch off "vMicro>Compiler>Deep Search Libraries" you might find it works like before the upgrade.

However I suggest you read the following because with a few minor tweaks you can put yourself in a better known situation.

My test resulted in your error and gave identical results to the Arduino 1.8.1 ide which is much more mature than the 1.6.7 that you are using.

I used the test code below after creating a library called TestDupe containing TestDupe.h and spi.h which did not contain a definition for SPI. This will match your CC1101 configuration.

The result was a good compile if the SPI library was #included before the TestDupe library

#include <SPI.h>
#include <TestDupe.h>
 

A failed compile due to SPI not being available if the TestDupe library was #included first

#include <TestDupe.h>
#include <SPI.h>
 

These result are exactly as we would expect and give users some control over how duplicate library sources are resolved.

Please confirm if these points make sense, that 1.8.1 has the same issue and that you can now resolve.

Thanks

Test code

void setup()
{
	SPI.begin();
}

void loop()
{
}

 

tip

An important quirk of arduino which doesn't cause an issue in this case but should be kept in mind is the name of library folders. They can more easily be matched to headers in the build process if the library folder name and an header.h have the same name. Your library folder is named LIBRERIA_CC1101 yet the master header is called cc1101.h. With lots of different libs installed you will find things become more stable using lib names that match header names. If you rename the LIBRERIA_CC1101 click "rescan" on the visual micro explorer window or restart the ide