How-to start reverse engineering serial communication

2012-11-06 Thread Markus Kolb
Hello, I've a bike computer SIGMA ROX 9.1 which can be connected via a small USB docking station to retrieve the collected data. However there is a proprietary software called "Data Center" (DaCe) which is not available for Linux and doesn't run with Wine. At least it doesn't find the connecte

Re: How-to start reverse engineering serial communication

2012-11-06 Thread Markus Kolb
Bjørn Mork wrote on 07.11.2012 01:17: Markus Kolb writes: I've a bike computer SIGMA ROX 9.1 which can be connected via a small USB docking station to retrieve the collected data. [snip] But I don't see how to interpret the data. So do you have any idea how to go on? Not r

usb: class: cdc-acm: /dev/ttyACM0 HowTo disable interrupt and control URBs

2012-11-09 Thread Markus Kolb
Hi, is it and how is it possible when using the acm_tty that there is not sent any interrupt or control URB? My connected device has problems handling this stuff and doesn't respond to the bulk URB which is timed somewhere between. I've found e.g. URB_NO_INTERRUPT and USBDEVFS_URB_NO_INTERRUPT

Re: usb: class: cdc-acm: /dev/ttyACM0 HowTo disable interrupt and control URBs

2012-11-09 Thread Markus Kolb
On 09.11.2012 15:43, Oliver Neukum wrote: On Friday 09 November 2012 14:42:24 Markus Kolb wrote: [...] I've found e.g. URB_NO_INTERRUPT and USBDEVFS_URB_NO_INTERRUPT in http://code.metager.de/source/xref/linux/stable/drivers/usb/core/devio.c#1386 but how do I set this? You don'

Re: USB3 SSD/HD device file disappears after "eject"

2013-05-29 Thread Markus Kolb
Hi, On 29.05.2013 05:32, Grant wrote: [...] sd 8:0:0:0: [sdb] Synchronizing SCSI cache sd 8:0:0:0: Device offlined - not ready after error recovery Unplugging and replugging the device does not result in the reappearance of the /dev/sdb device file like it does with my other external drives.

Re: USB3 SSD/HD device file disappears after "eject"

2013-05-29 Thread Markus Kolb
On 29.05.2013 17:01, Grant wrote: [...] I'm not sure I follow. Why only unmount filesystems if it isn't possible to detect powerdown support of hardware (is that the port or the drive)? I noticed this in linux-3.10-rc2 for the first time but I think it is always enabled on previous kernels and