User:Steven J. Koch/Notebook/Kochlab/2009/06/29/Feedback 96 Debugging
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Steve Koch 13:08, 29 June 2009 (EDT): Feedback0b.ini file was not copied over. Copied it to the Versatile Feedback DAQ main directory. Since I am not sure how often / whether it's name is hardwired into the program, I'm not going to rename it. I am going to edit it to remove all of the old modules.
Steve Koch 13:54, 29 June 2009 (EDT): I am still getting some inconsistencies between compiling on my office machine and kochlab-03. It has to do with the subVI "Sum Ratio to New AOD Voltage.vi"...probably something to do with the subVI "1D Polynomial Evaluation" ... can't figure it out, so ignoring now.
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Config file stuff
(Still haven't updated the feedback list)...fixed some config file stuff:
- Decided that storing config file stuff on local harddrive makes most sense.
- Directory will be: "C:\,Local Data\koch.steve\" (username is automatically detected)
- params.ini is the file for real time params (loading rate clamp, etc.; which is not yet implemented in 96)
Some kind of DAQ error
Steve Koch 16:00, 29 June 2009 (EDT): Upon running the program, I was able to get it to work with the config files (as far as I can tell), so that is all good. It also appeared to acquire data. However, the program was VERY slow to the point of seeming to crash, when in the "pre-acquisition" mode. I don't know exactly where it was hanging, but suspect it is a problem with the DAQ:
- I noticed that mx_GetBitResolution_DAQWrapper was returning 0 instead of 16. The property node for AI.Resolution was returning an error.
- I tried running MAX explorer, and the card returned an error on self-test. Also when trying to reset. This crashed MAX. I rebooted the computer, and this error went away. So did the error with mx_GetBitResolution. However, I haven't run feedback96 yet, so it's likely that running the software causes the error. We'll see.
- Steve Koch 16:03, 29 June 2009 (EDT): Yup. Running the entire VI I get the error in mx_GetBitResolution. Quitting feedback program, mx_GetBit... remains broken.
- MAX broken too. Error is: "Executable version (7.1.1) doesn't match resource file (7.1). Check your configuration.
- I get the error -200324 "DAQmx Reset Device.vi<append>" when trying to reset from within LabVIEW.
Looking for DLLs
- Replaced "DVESetFreq" with a fake version (no DLL)
- Steve Koch 16:47, 29 June 2009 (EDT): OK, I think I removed all DLLs except: PID DLLs; stop condition DLL; a couple other LV-related DLLs.
Error seems to be gone, now DIO port error
Steve Koch 16:54, 29 June 2009 (EDT): OK, so whatever I did with the DLLs and other things seems to have fixed the error that showed up in mx_GetBitRes... My guess is that it was the DVE call, not really sure though. Anyway, now there is a new error in the DIO port. Not sure where / why. The VI that popped up when I finally quit is "Feedback0b-Dialog-Release Footswitch Please.vi."
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"Footswitch DIO0 State--Replace CIN_2ndTry.vi" doesn't work, but "Read from Digital Port.vi" does work.Actually, that's not true, behavior is erratic. Probably should reboot. - DIO Port error is gone (reloaded program; didn't reboot)...actually seems to be working great.
Working on Kochlab-daq2 now
Steve Koch 20:41, 29 June 2009 (EDT): DIO Port does not work on the new machine. I notice that the version of NI-MAX is much earlier than on kochlab-03, so possibly it's due to an outdated Daqmx. Thus, I am now installing NI-DAQmx 8.9 (a huge download of 1 GB, which I put in my temporary directory on the controller).
Steve Koch 20:59, 29 June 2009 (EDT): After intalling, accepting a whole slew of actions in windows defender, and restarting, it detected the m-series board as new hardware. But running "Read from Digital Port.vi" still gives me error -10401 !!!
Steve Koch 21:09, 29 June 2009 (EDT): I think it's possible that this is because I'm using the M-series board, and old (traditional) VIs for DIO port reading. Also, given that I don't know how to connect DIO on the new BNC connector, I think the smartest thing to do is to put the E-series board into kochlab-daq2. My only worry is that something got a little smoke the other day. I hope it wasn't the E-series card!
- : Hmmm...now I'm thinking this is really lame for the long-term? Making it work for daqmx shouldn't be too hard...
Example of how to read switch using BNC-2111
- http://kochlab.org/files/Software/Code%20examples%20for%20linking/Digital%20IO%20DAQmx%20BNC%202111%20example.vi This links to a VI that sets one line to be true (high) and reads the line via another port. If the two are connected via a switch, then the second port goes high.
- This would be a lot easier if I knew how to default the port to true, and then connect the port to digital ground via the switch. This is the way it behaves with the E-series board, the BNC-2090, and traditional daq calls. I don't understand why.
Fixing footswitch--making mx
Steve Koch 22:30, 29 June 2009 (EDT):Richard had a little orange footswitch VI that is used to ask whether the footswitch is depressed. Actually come to think of it, how is the footswitch accessed during DAQ? I need to look into this, hold on...I'm suspecting a "fake DLL" problem.
Yup, I am pretty sure that DLL reads the footswitch to check for stopping. I don't remember why exactly it's a DLL -- likely a speed issue, which is no longer relevant? At the moment, I'm thinking I should just ditch the DLL and write in LV code. Plus, I can simplify the hell out of it--well, maybe that's a bad idea, but I can at least make it easier to read? Don't know, though, whether I'll be able to find Richard's source code.
- Steve Koch 22:52, 29 June 2009 (EDT): Found Richard's stop condition code: /Richard Yeh stop condition C dcode
- Steve Koch 23:10, 29 June 2009 (EDT): I think I've confirmed that the current DLL is not working as far as reading footswitch goes.
Began moving DLL to LabVIEW
Steve Koch 01:22, 30 June 2009 (EDT): Made stop condition_mx file, along with subVI for "compare_stop_condition_values." I think it will work out fine, but too tired to continue doing it now.
