by Idris » Mon Feb 16, 2015 12:28 pm
Hi zxlee,
That warning is due to the file path which contains spaces. For example C:\Program Files (x86)\Microchip\CIKU Library\CIKU.X/Arduino.h, there have space between Program Files (x86), CIKU Library. Nothing to worry about it, you still can compile and download without error.
For variable types, you can use
char, int, long.
If you want to use define variable types, you can open Arduino.h file, press ctrl and click on <GenericTypeDefs.h>. It will open GenericTypeDefs.h file and you can see several variable that already define, for example
UINT, UINT8, UINT16
BYTE, WORD, DWORD
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