error: 'delay' was not declared in this scope'

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error: 'delay' was not declared in this scope'

(7 posts) (3 voices)

Started 3 years ago by samtal
Latest reply from gbulmer

samtal
Member

Hi,
I have a very strange situation.
In one of my programs (IDE 12), I have a 'delay(1000);' in my loop, but I keep getting the error 'delay' was not declared in this scope' regardless of where I place it in the program.

The 'delay' word is recognized (I can tell by its color), and the command is identical to my other sources.
I have all necessary included files (although I think delay is default library), yet I keep getting this error.
As I wrote, I have the same in other programs and it works as it should.

Any idea?
samtal

Posted 3 years ago #
bubulindo
Member

what files have you included?

Do you use time.h as one of those files?

Posted 3 years ago #
samtal
Member

Thanks.
I indirectly include the time.h (via the RTClock.h)

The problem is that when I include the time.h (directly or indirectly), all time functions cause error. (micros(), millis(), delay(), etc).
There is something in that file that collides with the basic time functions, which probably can be considered a bug.

I need the RTClock.h file, which includes the time.h, and I don't know how I can use it with the time functions.

samtal

Posted 3 years ago #
bubulindo
Member

I have written how to bypass this before somewhere else.

Here:
http://forums.leaflabs.com/topic.php?id=1277

"Think I found it.

In wirish_time.h:

#ifndef _TIME_H_
#define _TIME_H_

In time.h:

#ifndef _TIME_H_
#define _TIME_H_

If I change the TIME_H in the wirish file to WIRISH_TIME_H, it compiles (would have to test it back home).
Would this change affect any other linking between functions?"

Posted 3 years ago #
samtal
Member

bubulindo
I tested it, and it works as you suggested.
As you wrote, only problem is how it may affect other links?
I searched through all libs and the only file that will relate to _TIME_H_ is time.h, but this does not mean there are no other files that use it indirectly.
I will therefore continue with the correction, and keep it in mind in case I'll get some unexplained errors or multifunction.
Thanks for the tips.
It helped me out.

Posted 3 years ago #
bubulindo
Member

As you can see in the thread I pointed, someone said that this would be addressed. I should, however, have made a note in the README file on the library.

I'll try to look at it soon. Maybe by the end of the week. If you test accuracy between different clock sources, or find a bug in my files, please let me know so I can correct it online. :)

Posted 3 years ago #
gbulmer
Moderator

samtal - I believe using _TIME_H_ instead of WIRISH_TIME_H is a bug, and it should be fixed in the libmaple source

Posted 3 years ago #

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