Have you checked the wiki? https://github.com/weewx/weewx/wiki/udevrules
also https://github.com/weewx/weewx/wiki/Raspberry-Pi weewx wiki is a mine of useful information!! On Wednesday, 3 January 2018 07:26:28 UTC+2, Terry Hock wrote: > The Ultimeter is connected directly to the PI USB port, however, I do have > a USB hub for keyboard and mouse on one of the other PI USB ports. > I have also tried three different power supplies and get the same results, > with one being a 7 amp power supply. > The Pi is a: Raspberry Pi 2 Model B > I am not plugging any USB devices into the unit, I just let it run. > > Here is some more syslog info: > raspberrypi kernel: [92708.882124] ftdi_sio ttyUSB0: error from > flowcontrol urb > raspberrypi kernel: [92708.882524] ftdi_sio ttyUSB0: FTDI USB Serial > Device converter now disconnected from ttyUSB0 > > and > raspberrypi weewx[471]: ultimeter: Failed attempt 4 of 5 to get readings: > device reports readiness to read but returned no data (device disconnected > or multiple access on port?) > raspberrypi weewx[471]: ultimeter: Failed attempt 5 of 5 to get readings: > device reports readiness to read but returned no data (device disconnected > or multiple access on port?) > raspberrypi kernel: [92723.109936] hid-generic 0003:24C0:0003.0006: > timeout initializing reports > raspberrypi kernel: [92723.110373] input: Chaney Instrument as > /devices/platform/soc/3f980000.usb/usb1/1-1/1-1.5/1-1.5:1.0/0003:24C0:0003.0006/input/input9 > raspberrypi kernel: [92723.110902] hid-generic 0003:24C0:0003.0006: > input,hidraw3: USB HID v1.11 Device [Chaney Instrument] on > usb-3f980000.usb-1.5/input0 > raspberrypi mtp-probe: checking bus 1, device 16: > "/sys/devices/platform/soc/3f980000.usb/usb1/1-1/1-1.5" > raspberrypi mtp-probe: bus: 1, device: 16 was not an MTP device > raspberrypi systemd-udevd[8509]: Process '/usr/sbin/th-cmd --socket > /var/run/thd.socket --passfd --udev' failed with exit code 1. > raspberrypi weewx[471]: ultimeter: Max retries (5) exceeded for readings > raspberrypi weewx[471]: engine: Shutting down StdReport thread > raspberrypi weewx[471]: engine: Caught WeeWxIOError: Max retries (5) > exceeded for readings > raspberrypi weewx[471]: **** Waiting 60 seconds then retrying... > raspberrypi dhcpcd[543]: enxb827ebaba863: no IPv6 Routers available > raspberrypi weewx[471]: engine: retrying... > raspberrypi weewx[471]: engine: Using configuration file > /etc/weewx/weewx.conf > raspberrypi weewx[471]: engine: Loading station type Ultimeter > (weewx.drivers.ultimeter) > raspberrypi weewx[471]: ultimeter: driver version is 0.18 > raspberrypi weewx[471]: ultimeter: using serial port /dev/ttyUSB0 > raspberrypi weewx[471]: import of driver failed: [Errno 2] could not open > port /dev/ttyUSB0: [Errno 2] No such file or directory: '/dev/ttyUSB0' > (<class 'serial.serialutil.SerialException'>) > raspberrypi weewx[471]: engine: Unable to load driver: [Errno 2] could not > open port /dev/ttyUSB0: [Errno 2] No such file or directory: '/dev/ttyUSB0' > raspberrypi weewx[471]: **** Exiting... > > Can you provide more details for your suggestion of using udev rule, > thanks. > On Tuesday, January 2, 2018 at 9:20:52 PM UTC-7, mwall wrote: >> >> On Tuesday, January 2, 2018 at 10:33:25 PM UTC-5, Terry Hock wrote: >>> >>> Hi, >>> I am trying to get the Peet Brothers Ultimeter 2100 working >>> *reliably*. The issues appears to be the serial-USB converter. The >>> system can run flawless for hours or at other times no more than 10 minutes >>> and then weewx stops updating. I have previously used an Accurite weather >>> station with no issues, so I am only changing the driver by using >>> wee_config. >>> >> >> hi terry, >> >> it would help to see more of the log, in particular the messages that >> lead up to that 'no such file or directory' message. >> >> is the ultimeter connected directly to the pi, or via a hub? >> >> what kind of rpi is it? >> >> are you plugging/unplugging things into the rpi while the ultimeter is >> connected? >> >> whenever there is a usb reset, the usb-to-serial device may change, e.g., >> from /dev/ttyUSB0 to /dev/ttyUSB1. it depends on what else is connected to >> the usb, and it depends on how flaky the usb hub is. the usb 'hub' built >> in to first-generation rpi is not as reliable as rpi2 or rpi3. the usb on >> all rpi is sensitive to the type of power supply you use to power the pi. >> >> next time you see that error message, do 'ls /dev/ttyUS*'. >> >> if this is, in fact, what i happening on your system, you can work around >> it by using a udev rule to change the device name to /dev/ultimeter, for >> example. that will not fix the problem, but weewx will be able to recover >> without your intervention. >> >> m >> >> -- You received this message because you are subscribed to the Google Groups "weewx-user" group. To unsubscribe from this group and stop receiving emails from it, send an email to weewx-user+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
