Cons&Vars in other Objects

bambino

Mike,
I finally got around to the I2C routine in the Object exchange and noticed a nifty trick you did with the calls to other objects.

obj
   otherObject : object
pub Main
   otherObject.someRoutine(#someConstant)
 

Is there some way to access Vars in the same way where it's undeclared in the calling Object?

Mike Green

No. Only constants and public methods are accessible from other objects. The constant reference has to be "otherObject#someConstant".

bambino

Thanks Mike,

No biggy, I just think its neat how things new to me about this chip come up all the time.

Another Q about that simple driver(not FemtoBasic). Is pageread and write the only accessable funtions for read & write or can bytes, words, and longs be used?

Mike Green

bambino,
The Basic I2C Driver includes public methods for read & write of bytes, words, and longs. These all call readpage and writepage. Take a look.

bambino

Thanks Again,

It's not fresh on my mind what we are looking at but I did get the routines at the top that are commented out to work. The other methods will take a while more. But thanks for the object, I have always worked with SPI and this is my first I2C. You have made it a little less intimadating!

M. K. Borri

i used a HUGE hack, but here ya go... I put a dat block in a library, and a bunch of constants that refer to the offsets in that dat block (4 bytes apart), then have everything call that library. Ugly as sin, but it works and it works efficiently.

See my sig to download it [noparse]:)[/noparse]

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http://forums.parallax.com/showthread.php?p=650217

meow, i have my own topic now? (sorta)

bambino

Sorry it took so long getting back,

M K,
Thanks, I'll take a look!