Search found 8 matches

by geostroud
Sun Jun 21, 2020 2:47 pm
Forum: General discussion
Topic: [Solved] error: 'isnan' was not declared in this scope isnan(n);
Replies: 12
Views: 10903

Re: error: 'isnan' was not declared in this scope isnan(n);

Version 2020.6.20 of the STM32F1xx/GD32F1xx board manager which just showed up yesterday or this morning appears to resolve this issue. Board manage version ...17 fails but version ...20 compiles without error. I can toggle this error on and off just by installing version 20 (no error) or installing...
by geostroud
Sun Jun 21, 2020 3:16 am
Forum: General discussion
Topic: [Solved] error: 'isnan' was not declared in this scope isnan(n);
Replies: 12
Views: 10903

Re: error: 'isnan' was not declared in this scope isnan(n);

Sketch (STM_WS.ino): /* STM_WS.ino Code for Weather Station that reports temperature, humidity, barometric pressure and rainfall. Values are reported when requested by the base station. The rain fall is reset after each report which makes it the responcibility of the base station code to track accu...
by geostroud
Fri Jun 19, 2020 4:34 pm
Forum: General discussion
Topic: [Solved] error: 'isnan' was not declared in this scope isnan(n);
Replies: 12
Views: 10903

Re: error: 'isnan' was not declared in this scope isnan(n);

The latest version that shows up as of today 06/19/2020 is version 2020.6.17 and it down resolve the problem. While I created a simple test sketch to illustrate the issue, the actual sketch that I am working on uses the BME280 library and the library uses the isnan() function. Therefore, while inser...
by geostroud
Wed Jun 17, 2020 2:12 pm
Forum: General discussion
Topic: [Solved] error: 'isnan' was not declared in this scope isnan(n);
Replies: 12
Views: 10903

Re: error: 'isnan' was not declared in this scope isnan(n);

Sorry, I see that I made a typo. 2020.5.18 works. Versions 2020.5.26 thru 2020.6.16 fail.
by geostroud
Wed Jun 17, 2020 2:08 pm
Forum: General discussion
Topic: [Solved] error: 'isnan' was not declared in this scope isnan(n);
Replies: 12
Views: 10903

Re: error: 'isnan' was not declared in this scope isnan(n);

If you check the update I posted, you will find the information you are requesting.
by geostroud
Tue Jun 16, 2020 6:20 pm
Forum: General discussion
Topic: [Solved] error: 'isnan' was not declared in this scope isnan(n);
Replies: 12
Views: 10903

Re: error: 'isnan' was not declared in this scope isnan(n);

I went back through the board updates for the "STM32F1xx/GD32F1XX boards". This issue starts with version 2020.2.26. If I revert back to the 2020.5.18 version of the board the sketch compiles without error.
by geostroud
Tue Jun 16, 2020 6:09 pm
Forum: General discussion
Topic: [Solved] error: 'isnan' was not declared in this scope isnan(n);
Replies: 12
Views: 10903

[Solved] error: 'isnan' was not declared in this scope isnan(n);

I am working on a project for a generic STM32F103C series board which uses a nRF24L01 transceiver module. It compiled just fine but I was having problem with transceiver modules. I had to take a two week break from the project. A couple of days ago, I decided to start work on the project again but w...

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