I’m trying to use elapsedMillis as part of a countdown that blinks an LED, plays a buzzer a number of times. I initially had problems when compiling with an error asking for the libraries which I think I have resolved by following another thread. However, with the elapsedMillis.h now included in the…

When a source file has a .cpp filename extension, you must #include “application.h” or #include “Particle.h” at the top of the file to get the base data types and built-in functions like millis(), micros(), etc… This isn’t necessary for sketches using *.ino files because it’s automatically inserted …

Rick, thanks for the reply. I don’t think I have any file with a cpp. extension. In the project folder I have the .ino and elapsedMillis.h Have included a screenshot that might help. Best Clive. [image]

Oddly, you need to insert a comment before the first include line. It's explained here: [image] elapsedMillis not compiling? [solved] ("application.h") Troubleshooting trying to use the elapsedMillis library but Im getting a few error. Im not really sure why can someone p…

Thank you so much. That’s the compile issue sorted. I did read the link you sent me before posting but got a bit lost reading lots of different posts, trying to work this out. Any thoughts on the expected declaration would be welcome but I’ll keep trying. C.

I’ve resolved the expected declaration but there’s something in the actual code that’s wrong as the LED lights, beeps but then the light stays on… things seem to be stuck somewhere.

Stuck on adaption of elapsedMillis

General

rickkas7 March 8, 2016, 12:06pm 4

Oddly, you need to insert a comment before the first include line. It's explained here:

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Stuck on adaption of elapsedMillis

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