OK, this is a really difficult question. I am hoping someone from Philips frequents these boards and can help me.
I have a question about a very specific piece of the Philips Data Export Interface protocol. Occasionally, datapoints get sent across with a bitmask overlayed on them. This is explained in the protocol document under:
"Attribute: Sample Array Fixed Value Specification"
For example, an ECG might send the binary value:
1010000100010100
But this is actually overlayed with the following bitmask for SA_FIX_PACER_MASK:
1000000000000100
So I would assume that I can "unmask" that value, and the result should be:
0010000100010000
But that gives me a value that is totally wrong.
Are there any experts at Philips who can help me with the bitmasking here? I am seeing it on numerous signals, such AWF and AWP and all the ECG channels when the pacer is enabled.
Thanks so much,
John
