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Originally Posted by condensr Yes, they are using a checksum on some replies as well. On my Ultra2 results from RS232, (similar to ultra results I assume) the last part of a data transmission is a checksum.
The command signalling in the US comm is (this is from memory of last night..) :
0x10 (Data Link Escape) 0x02 (Start of Text) 0x00 (Null) Hex Data Here 0x03 (End of Text) 0x10 (Data Link Escape)
The annoying thing is that there appears to be some form of checksum to send WITH any HR commands (that retrieve records), at the tail end. I need to figure out that pattern then we can request any record we wish from memory. Shouldnt take too long to figure this out. |
Shane - You are the man. I bow down to your comm knowledge.
Looks like I should have the Ultra done this week.
