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HP 27130B
Subfunction 254. Get card status. The following status is returned in the data block.
Data block
I
7
I
6
I
5
I
4
I
3
I
2
I
1
I
0
I
byte 0
L
L
receive
data available
break received
transmit buffer is empty
reserved
signal character 1 received
signal character 2 received
signal character 3 received
signal character 4 received
byte 1
L
handshake timeout
This status will be cleared each time it is read.
Write Card Configuration, Request Code - 5
NOTE
The firmware will perform parameter validation where
possible. Every write card configuration request data
transfer length must match exactly the length specified
for the request; otherwise, the illegal configuration pa-
rameter length error will be returned in the read request
sta tus block. If the data transfer length is not specified
for the subfunction validation below, the length is as-
sumed to be one byte. (Note that data transfers shorter
than the required length are not zero-filled, and will
4-22
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