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Messages - alanbur

31
Open Bench Logic Sniffer / 1.03 "16 channel, 8k samples, inside" firmware is broken
After loading up the 1.03 16ch/8k/inside firmware the OBLS stopped working, the symptom being that Sump said it couldn't find the device.  I assumed that meant the PIC firmware was somehow hosed, but looking at the design info shows that in normal mode the PIC just acts as a USB passthrough to the FPGA, so it's not the PIC firmware that's bad, it's the FPGA firmware.  I loaded up the 8ch/16k/inside firmware and that seems to work fine.
32
Open Bench Logic Sniffer / Re: Problems updating firmware.
Found the problem - I rolled back through the PIC firmware all the way to 1.0, it made no difference.  it's the 1.03 "16ch/4k /inside" FPGA firmware that's hosed.  I've loaded up the "8ch/16k/inside" firmware and that seems to work fine.
33
Open Bench Logic Sniffer / Re: Problems updating firmware.
More data: on Windows I've uninstalled the driver and reinstalled it, the OBLS then shows up (COM3) but Sump can't talk to it.  The device ids seem to match up OK with the .inf file (I'm not a Windows expert) so I guess at least the USB part of the link is working.
34
Open Bench Logic Sniffer / Re: Problems updating firmware.
I've had exactly the same problems as @Hank.  After some fiddling I managed to update both the firmware and the FPGA under windows, but then Sump couldn't see the OBLS at all under Windows.  I switched back to Solaris and at first it worked, now I've come back to it today I get exactly the same message from Sump on Solaris as I do on Windows, and the OBLS doesn't work.  The device is being seen by the OS fine when I plug it in, it's just Sump that can't talk to it:

May 14 12:33:30 grinah usba: [ID 912658 kern.info] USB 2.0 device (usb4d8,a) operating at full speed (USB 1.x) on USB 1.10 root hub: communications@1, usb_mid1 at bus address 2
May 14 12:33:30 grinah usba: [ID 349649 kern.info]    Microchip Technology Inc. CDC RS-232 Emulation Demo
May 14 12:33:30 grinah genunix: [ID 936769 kern.info] usb_mid1 is /pci@0,0/pci1179,1@1d,2/communications@1
May 14 12:33:30 grinah genunix: [ID 408114 kern.info] /pci@0,0/pci1179,1@1d,2/communications@1 (usb_mid1) online
May 14 12:33:30 grinah usba: [ID 349649 kern.info] usba:   no driver found for interface 1 (nodename: 'data') of Microchip Technology Inc. CDC RS-232 Emulation Demo
May 14 12:33:30 grinah usba: [ID 912658 kern.info] USB 2.0 interface (usbif4d8,a.config1.0) operating at full speed (USB 1.x) on USB 1.10 root hub: modem@0, usbsacm5 at bus address 2
May 14 12:33:30 grinah usba: [ID 349649 kern.info]    Microchip Technology Inc. CDC RS-232 Emulation Demo
May 14 12:33:30 grinah genunix: [ID 936769 kern.info] usbsacm5 is /pci@0,0/pci1179,1@1d,2/communications@1/modem@0
May 14 12:33:30 grinah genunix: [ID 408114 kern.info] /pci@0,0/pci1179,1@1d,2/communications@1/modem@0 (usbsacm5) online
37
Open Bench Logic Sniffer / OpenSolaris success, and some questions
Just a FYI, I have OLS working on OpenSolaris.

Some questions:

I see mention of different combinations of samples and channels, e.g. http://dangerousprototypes.com/2010/02/ ... nalyzer-2/ says:

Currently the following memory/channel configurations are available:

    * 32 channels with 4k sample depth.
    * 16 channels with 8k sample depth.
    * 8 channels with 16k sample depth.

but http://dangerousprototypes.com/forum/in ... 61#msg4661 says that irrespective of the channels you only get 4K samples, which is correct?

I've found the newer firmware, but is there an "idiot's guide to upgrading"

Is there a FAQ somewhere with all this info in?

Thanks.

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