in reply to: Re: Can master rev.5 read PV from device rev.7? posted by Romilly on 23 September 2011 at 13:23:12.
Thanks a lot for your answer.
The conclusion is that it should work. Unfortunatelly it doesn't. I expect that maybe our host is not working according the specification.
Anyway I still do not understand how host rev.5. can build correct Long Address since in slave rev.7. Manufacturer ID is 2 byte long and Device Type is also 2 byte long. The frame is different. It is not only extra data at the end of the frame. In rev. 5. Long Address is built as a 5 byte word (1 Manufacturer ID + 1 Device Type + 3 Unique ID).