<div dir="auto">Add your user to the dialout group.<div dir="auto">Jim KC9HI</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Feb 17, 2020, 12:58 AM Kheong Sann CHAN <<a href="mailto:kheongsann@gmail.com">kheongsann@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>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.<br></div><div><br></div><div>The tty port is found when I plug it in:<br></div><div>$ dmesg | grep tty<br>[ 7527.188154] usb 1-2: pl2303 converter now attached to ttyUSB0<br>[ 7548.490452] pl2303 ttyUSB0: pl2303 converter now disconnected from ttyUSB0</div><div><br></div><div>$ la /dev/ttyU*<br>crw-rw---- 1 root dialout 188, 0 Feb 17 13:49 /dev/ttyUSB0</div><div><br></div><div>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: <br></div><div>[Errno 16] could not open port /dev/ttyUSB0: <br></div><div>[Errno 16] Device or resource busy: '/dev/ttyUSB0'</div><div><br></div><div>and /dev/ttyUSB0 disappears.</div><div><br></div><div>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:</div><div>[Errno 5] could not open port /dev/ttyUSB0: <br></div><div>[Errno 5] Input/output error: '/dev/ttyUSB0'</div><div><br></div><div>Any advice on how to troubleshoot this?<br></div><div><br></div><div>Kheong.</div><div><br></div></div>
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