ACQUISITION_START_TIME
Hello
I'm trying to set ACQUISITION_START_TIME to Tektronix DPO3034 through interface USB with CVI.
I managed to install the driver and can communicate with the oscilloscope.
When I write the time-out value (3.5334E - 005) that's what I get from the Spy:
1 IviScope_SetAttributeViReal64 (DPOScope, NULL, ACQUISITION_START_TIME, 3.5334E - 005)
PID: 0 x 00001534 ID of Thread: 0 x 00000874
Departure time: 17:29:42.456 call duration 00:00:00.015
Status: 0 (VI_SUCCESS)
This means that the right control was adopted.
But the delay in the scope comes with 0.4us resolution. This means I can get values of only 3, 56th-005 ACQUISITION_START_TIME, 3.6E - 005 etc..
This is what I get in the spy with GetAttribute imeddiatley command after the SetAttribute above command:
4 IviScope_GetAttributeViReal64 (DPOScope, NULL, ACQUISITION_START_TIME, 3, 56th-005)
PID: 0 x 00001534 ID of Thread: 0 x 00000874
Departure time: 17:34:11.995 call duration 00:00:00.016
Status: 0 (VI_SUCCESS)
(The actual time on the scope screen is also 3, 56th-005...)
Thank you very much for your help!
It was a round of 400ns in the driver of OR who have come after a comment that this is due to the change in the firmware. I'm looking round to 4ns and all is well.
Tags: NI Hardware
Similar Questions
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Set ACQUISITION_START_TIME Tektronix DPO3034
Hello
I'm trying to set ACQUISITION_START_TIME to Tektronix DPO3034 through interface USB with CVI.
I managed to install the driver and can communicate with the oscilloscope.
When I write the time-out value (3.5334E - 005) that's what I get from the Spy:1 IviScope_SetAttributeViReal64 (DPOScope, NULL, ACQUISITION_START_TIME, 3.5334E - 005)
PID: 0 x 00001534 ID of Thread: 0 x 00000874
Departure time: 17:29:42.456 call duration 00:00:00.015
Status: 0 (VI_SUCCESS)This means that the right control was adopted.
But the delay in the scope comes with 0.4us resolution. This means I can get values of only 3, 56th-005 ACQUISITION_START_TIME, 3.6E - 005 etc..
This is what I get in the spy with GetAttribute imeddiatley command after the SetAttribute above command:4 IviScope_GetAttributeViReal64 (DPOScope, NULL, ACQUISITION_START_TIME, 3, 56th-005)
PID: 0 x 00001534 ID of Thread: 0 x 00000874
Departure time: 17:34:11.995 call duration 00:00:00.016
Status: 0 (VI_SUCCESS)
(The actual time on the scope screen is also 3, 56th-005...)Thank you very much for your help!
I've corrected the pilot...
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