Add your user to the dialout group. Jim KC9HI
On Mon, Feb 17, 2020, 12:58 AM Kheong Sann CHAN kheongsann@gmail.com wrote:
I'm trying to connect to a UV-5R using a USB cable that was bought some time (maybe 5-10 years) ago, using chirpw on ubuntu 16.04.
The tty port is found when I plug it in: $ dmesg | grep tty [ 7527.188154] usb 1-2: pl2303 converter now attached to ttyUSB0 [ 7548.490452] pl2303 ttyUSB0: pl2303 converter now disconnected from ttyUSB0
$ la /dev/ttyU* crw-rw---- 1 root dialout 188, 0 Feb 17 13:49 /dev/ttyUSB0
When I start chirpw and try to download from radio, the error is not consistent, it depends on whether I've tried it before or not. Sometimes I get the error: [Errno 16] could not open port /dev/ttyUSB0: [Errno 16] Device or resource busy: '/dev/ttyUSB0'
and /dev/ttyUSB0 disappears.
Another time after I unplugged and replugged the USB cable and restarted chirpw, /dev/ttyUSB0 reappears and when I try to download from radio I get: [Errno 5] could not open port /dev/ttyUSB0: [Errno 5] Input/output error: '/dev/ttyUSB0'
Any advice on how to troubleshoot this?
Kheong.
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