On Thu, Jun 04, 2009 at 06:00:40PM +0200, Zimmermann Christoph [zac1] wrote: > hi > > now i found the correct sysfs location for my device and i see the files > needed to configure the behavior of the driver itself (TermChar, > auto-abort,...) but i couldn't figure out how to trigger the driver to > send a "indicator pulse" setup command (usbtmc spec section 4.2.1.9). > > today i compiled a vanilla 2.6.29-4 kernel with debug messages activated > and tried again my usual commands: > > root@localhost:/home/chrigi/GECKO3COM/usbtmc# ./usbtmc_ioctl 0 indpulse > Error: ioctl returned -1. Odd. That means that something happened with the command and it was not successful. Can you enable CONFIG_USB_DEBUG and look at the kernel log messages? > root@localhost:/home/chrigi/GECKO3COM/usbtmc# echo "*idn?" > /dev/usbtmc0 > root@localhost:/home/chrigi/GECKO3COM/usbtmc# cat /dev/usbtmc0 > MicroLab BFH-TI,GECKO3COM,proto-2,0.3 > cat: /dev/usbtmc0: Die Wartezeit für die Verbindung ist abgelaufen > > > the kernel logs looks exactly the same as with my normal distribution > kernel: > > Jun 4 17:49:06 miniprijv kernel: [ 2438.365152] usb 1-3: new high speed > USB device using ehci_hcd and address 4 > Jun 4 17:49:07 miniprijv kernel: [ 2439.716293] hub 1-0:1.0: unable to > enumerate USB device on port 3 > Jun 4 17:49:07 miniprijv kernel: [ 2440.110149] usb 1-3: new high speed > USB device using ehci_hcd and address 5 > Jun 4 17:49:08 miniprijv kernel: [ 2440.225352] usb 1-3: configuration > #1 chosen from 1 choice > Jun 4 17:49:47 miniprijv kernel: [ 2479.775242] usbtmc 1-3:1.0: > INITIATE_ABORT_BULK_OUT returned 81 That means that your device returned USBTMC_STATUS_TRANSFER_NOT_IN_PROGRESS, so something is wrong. > Jun 4 17:49:47 miniprijv kernel: [ 2479.775361] usbtmc 1-3:1.0: > INITIATE_ABORT_BULK_IN returned 81 Same here. > Jun 4 17:49:57 miniprijv kernel: [ 2489.609415] usbtmc 1-3:1.0: Unable > to read data, error -110 Have you not started sending data? > Jun 4 17:49:57 miniprijv kernel: [ 2489.609579] usbtmc 1-3:1.0: > INITIATE_ABORT_BULK_IN returned 81 Same error here. It looks like your device isn't configured properly somehow. Have you started to stream data from it? thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
