When I try to access DS9097U serial adapter attached by HL-340 usb to rs232 adapter. Only the DS9097U is attached, there are no other devices (should be OK?)
$ sudo mkdir /mnt/1wire $ sudo /opt/owfs/bin/owfs -d /dev/ttyUSB1 /mnt/1wire $ tree -a /mnt/1wire /mnt/1wire [error opening dir] Paul Alfille wrote: > > > On Mon, Jan 5, 2009 at 4:45 AM, William Brown <mahi...@earthlink.net > <mailto:mahi...@earthlink.net>> wrote: > > So now I'm getting this error: > > DEFAULT: Cannot detect DS9097 (passive) interface on /dev/ttyUSB1 > > Can you tell me what it means? Will owfs pass through a rs232/usb > converter? > > I general, yes. > There is a difference between the DS9097 and the DS9097U (blame Maxim > for that). > One is a passive device that depends on the exact serial pulses to > synthesize 1-wire pulses, the other (the 9097U) uses a IC called the > DS2480B to manage the 1-wire communication. > > If you have a passive 9097 adapter, try --8bit. Some of the serial > devices can't create 6-bit communication. That might be the case > withthe USB convertor. > > You are using /dev/ttyUSB1. I assume you got that from dmesg output. > The allocation can change each time and it's often not a symlink. The > permissions might not be applied to the actual device. > > Can you try your code as root? sudo /opt/owfs/bin/.... > > Paul Alfille ------------------------------------------------------------------------------ _______________________________________________ Owfs-developers mailing list Owfs-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/owfs-developers
