Error: RFLink: Error opening serial port!

433Mhz opensource Receiver & Transmitter.

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ottoangel
Posts: 14
Joined: Wednesday 02 March 2016 15:25
Target OS: Raspberry Pi
Domoticz version: 3.4834
Contact:

Error: RFLink: Error opening serial port!

Post by ottoangel » Sunday 25 February 2018 17:06

Suddenly got a problem. I have tested to change USB port on the Raspberry Pi where the RFLink is attached.

Code: Select all

2018-02-25 16:04:33.199 Domoticz V3.8946 (c)2012-2018 GizMoCuz
2018-02-25 16:04:33.199 Build Hash: 1ab1d270, Date: 2018-02-25 11:01:40
2018-02-25 16:04:33.200 Startup Path: /home/pi/domoticz/
2018-02-25 16:04:33.385 Sunrise: 07:04:00 SunSet: 17:24:00
2018-02-25 16:04:33.385 Day length: 10:20:00 Sun at south: 12:05:00
2018-02-25 16:04:33.386 Civil twilight start: 06:25:00 Civil twilight end: 18:02:00
2018-02-25 16:04:33.386 Nautical twilight start: 05:41:00 Nautical twilight end: 18:46:00
2018-02-25 16:04:33.386 Astronomical twilight start: 04:57:00 Astronomical twilight end: 19:31:00
2018-02-25 16:04:33.386 EventSystem: reset all events...
2018-02-25 16:04:33.399 PluginSystem: Failed dynamic library load, install the latest libpython3.x library that is available for your platform.
2018-02-25 16:04:33.416 Active notification Subsystems: (0/14)
2018-02-25 16:04:33.440 WebServer(HTTP) started on address: :: with port 8080
2018-02-25 16:04:33.473 WebServer(SSL) started on address: :: with port 443
2018-02-25 16:04:33.476 Proxymanager started.
2018-02-25 16:04:33.527 Starting shared server on: :::6144
2018-02-25 16:04:33.527 TCPServer: shared server started...
2018-02-25 16:04:33.528 RxQueue: queue worker started...
2018-02-25 16:04:35.530 EventSystem: reset all events...
2018-02-25 16:04:35.530 EventSystem: reset all device statuses...
2018-02-25 16:04:35.570 EventSystem - Python: Failed dynamic library load, install the latest libpython3.x library that is available for your platform.
2018-02-25 16:04:35.570 EventSystem: Started
2018-02-25 16:04:35.570 EventSystem: Queue thread started...
2018-02-25 16:04:35.745 Error: RFLink: Error opening serial port!
2018-02-25 16:04:35.946 RFLink: serial retrying in 30 seconds...
2018-02-25 16:04:37.071 Incoming connection from: 192.168.0.197
2018-02-25 16:05:13.968 Error: RFLink: Error opening serial port!
2018-02-25 16:05:14.168 RFLink: serial retrying in 30 seconds...
RFLink on a Raspberry Pi 2.

Xztraz
Posts: 126
Joined: Tuesday 31 January 2017 22:54
Target OS: Raspberry Pi
Domoticz version:
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Re: Error: RFLink: Error opening serial port!

Post by Xztraz » Sunday 25 February 2018 17:19

works for me on latest beta domoticz. check your settings for rflink under hardware. make sure you'we selected the right port. else check power supply

ottoangel
Posts: 14
Joined: Wednesday 02 March 2016 15:25
Target OS: Raspberry Pi
Domoticz version: 3.4834
Contact:

Re: Error: RFLink: Error opening serial port!

Post by ottoangel » Sunday 25 February 2018 17:55

Under hardware the port was empty. Shouldn't it be named something like /dev/ttyUSB? See picture.
Attachments
rflink.png
rflink.png (53.4 KiB) Viewed 776 times
RFLink on a Raspberry Pi 2.

CaesarPL
Posts: 127
Joined: Tuesday 08 November 2016 15:03
Target OS: Raspberry Pi
Domoticz version:
Location: Poland
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Re: Error: RFLink: Error opening serial port!

Post by CaesarPL » Sunday 25 February 2018 18:04

Your system needs reinstall... Or better voltage
HW:Raspberry PiB+,Pi3,PiB,RFLink,FA20RF,DCS-930L,DCS-935L,Clarus switches,RF Temp sensors,Owl Micro+,Mi Flora,Kerui,Yeelight,Xiaomi,Broadlink RMM3,Alexa
SF:Jessie,Dmtcz 3.8153,Logitech Media srv,PiCorePlayers,Dashticz,Max2Play,InfluxDB,Grafana,HABridge

ottoangel
Posts: 14
Joined: Wednesday 02 March 2016 15:25
Target OS: Raspberry Pi
Domoticz version: 3.4834
Contact:

Re: Error: RFLink: Error opening serial port!

Post by ottoangel » Sunday 25 February 2018 18:27

It was the USB cable that was the problem. Now it works again. Thanks for the help.
RFLink on a Raspberry Pi 2.

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