© 2000, 2003 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
G
ETTING
S
TARTED WITH THE
CBL 2™ S
YSTEM
B-9
system state
1
Idle
2
Armed
3
Busy
4
Done
5
Self-test
99
Initializing code
data start
First point of data available for
transmission to host unless host has
sent Command 5 to override
data end
Last point of data available for
transmission to host unless host has
sent Command 5 to override
systemID
System ID that was set using
Command 6
Command 8
Request Channel Status
{8
,channel, request type}
channel=1, 2, 3, or 11
Returns a list with three elements:
E
1
, E
2
, E
3
E
1
= sensor type (one of the
operation
options shown under Command 1)
E
2
= last valid data read from sensor, if any [only valid when sampling is active] (not
applicable to CH1 ops 5, 6, 7 or CH21 or CH31)
E
3
= last valid data position (data buffer location number where that data is deposited) [only
valid when sampling is active]
request type=0 or 1
0 = returns current data (such as, read and return channel ID information)
1 = returns data stored when channel was last set up
Command 9
Request Channel Data
{9
,channel, mode}
channel
=1, 2, 3, or 11
Immediately reads and returns one
data point. Used to verify that setup is
correct.
Mode
0
Re-test input auto-ID value
1
Return stored auto-ID value
