Vernier LabPro - Manual (Page 45)

Revision Date: 08/02/02
LabPro Technical Manual 45
Command 7 Request System Status
This command returns LabPro’s 17 status registers.
Syntax: {7}
Return values: The following information is returned.
Register Description
softwareID Current software ID in format: X.MMmms where X=product code number,
MM=major ID number, mm=minor ID number, and s=step ID number.
error If non-zero, LabPro should be reset and the cause of the error corrected.
battery Battery status. Can return the following values:
0 Battery is OK for use
1 Battery is low during sampling
2 Battery is low all the time
8888 Constant value. If the correct list location is set to zero prior to requesting and getting
the list, this value can be used to ensure that the status message was received correctly.
Sample time Sample time that was commanded by the host during the last sample run.
trigger condition Triggering condition that was commanded by the host during the last sample run.
channel function Triggering channel that was commanded by the host during the last sample run.
channel post Post-processing setting that was commanded by the host during the last sample run.
channel filter Filter that was commanded by the host during the last sample run.
num samples Number of samples that was commanded by the host during the last sample run. If
sampling was aborted, this parameter reflects the actual number of samples taken.
record time This can have the following values:
0 No time was recorded in the last run
1 Absolute time was recorded in the last run
2 Relative time was recorded in the last run
temperature Temperature used for the temperature correction of the sonic data during the last run if
a sonic sensor was selected.
piezo flag This is the buzz/no-buzz value that was last commanded. Values are:
0 Sound is disabled (OFF)
1 Sound is enabled (ON)
system state The following values are used for the system state:
1 Idle
2 Armed
3 Busy
4 Done
5 Self-test
99 Initializing code
Add 16 to the value if the last mode was QuickSetup.
Add 32 to the value if the last data collected has not yet been retrieved.
datastart First point of data available for transmission to the host unless the host has sent
Command 5 to override this value.
dataend Last point of data available for transmission to the host unless the host has sent
Command 5 to override this value.
System ID The System ID that was set using Command 6.
Example 1: Request LabPro’s system status registers.
Computer
Calculator
s{7} :Send({7})
:Get(L1)