Viesturs Lācis wrote: > 2012/4/27 Dave <e...@dc9.tzo.com>: > >> It is not written to in that case.. IE it is not assigned a value. >> > > Sorry, but I think that there are 2 options - either it is 0 or 1. > Your answer seems to indicate that there is third option. Or is it too > much beer for one evening? > Hal signals are not quite like electrical signals. They are essentially program variables, in other words memory locations whose address is passed to whoever reads or writes to them. So, in this case, if nobody writes to the HAL signal, then its value remains the same.
Jon ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Emc-developers mailing list Emc-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-developers
