Ok, firstly GPIO's on the RPi are 3v3 not 5v so not suited to longer distance, there is no buffering or protection present.
I believe that an i2c driver chip provides a more robust solution than simply bit banging a GPIO pin. Stuart On 18/01/12 09:07, Sven Geggus wrote: > Stuart Poulton <[email protected]> wrote: > >> Happy to take any feedback > Why I2C? AFAIK the w1-gpio-custom Kernel driver does provide a 1-wire > Interface on any GPIO Pin which provides w1 compatible Voltage and owfs can > sit on top of this. So at best we will not need any external Hardware at > all. I think Raspberry Pi Board will almost certainly include a Linux GPIO > subsystem compatible aproach for controlling GPIOs. > > Sven > ------------------------------------------------------------------------------ Keep Your Developer Skills Current with LearnDevNow! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-d2d _______________________________________________ Owfs-developers mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/owfs-developers
