<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><meta http-equiv="Content-Type" content="text/html; charset=us-ascii" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><meta http-equiv="Content-Type" content="text/html; charset=us-ascii" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Have you woken up the CLI by sending any character (though CR is a good one)?<div class=""><br class=""></div><div class="">You should at least be seeing a JSON data frame anyway every couple of minutes at 4800 8n1.</div><div class=""><br class=""></div><div class="">Rgds</div><div class=""><br class=""></div><div class="">Damon<br class=""><div class=""><br class=""><blockquote type="cite" class=""><div class="">On 14 Feb 2021, at 18:24, Robert May <<a href="mailto:rob@themayfamily.me.uk" class="">rob@themayfamily.me.uk</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">I've finally found time to unbox my Radbots. The plan is to build a combined stats hub and boiler controller based on a RPi.<div class=""><br class=""></div><div class="">I've successfully compiled the code Christoph shared (<a href="https://github.com/wintersteiger/wlmcd" class="">https://github.com/wintersteiger/wlmcd</a>) and used to to show the one Radbot I've powered up transmits and that I can receive the frames using a CC1101/RPi combination. Of course the decryption fails as I've yet to set a decryption key.</div><div class=""><br class=""></div><div class="">I'm struggling to get a connection over the serial port to the Radbot. I'm trying to follow the instructions shared by Tristan (<a href="https://github.com/tyrken/heatmon/wiki/Reprogramming-Radbot-TRVs" class="">https://github.com/tyrken/heatmon/wiki/Reprogramming-Radbot-TRVs</a>) but I can't seem to get any comms over the serial port.</div><div class=""><br class=""></div><div class="">I've opened up my radbot to get better access to the pads.</div><div class="">I'm powering the Radbot from a bench power supply at 3.0V</div><div class="">I've got a USB serial dongle operating at 3.3V logic, grounded to the -ve supply.</div><div class="">I think I'm hold the rx/tx lines on the pads (tx from my dongle to rx on the radbot and rx on the dongle to tx on the Radbot), but I get nothing from 'screen' that I'm using for my terminal.</div><div class=""><br class=""></div><div class="">As far as I know I'm using 4800baud, 8-N-1 (screen /dev/ttyUSB0 4800), which I believ to be the expected settings?</div><div class=""><br class=""></div><div class="">Can anyone see anything that I'm doing wrong or give me a pointer to things that I can try. ?</div><div class=""><br class=""></div><div class="">Thanks,</div><div class="">Rob.</div><div class=""><br class=""></div><div class=""><br class=""></div></div>
_______________________________________________<br class="">OpenTRV-dev mailing list<br class=""><a href="mailto:OpenTRV-dev@lists.opentrv.org.uk" class="">OpenTRV-dev@lists.opentrv.org.uk</a><br class=""><a href="http://lists.opentrv.org.uk/listinfo/opentrv-dev" class="">http://lists.opentrv.org.uk/listinfo/opentrv-dev</a><br class=""></div></blockquote></div><br class=""></div></div></div></body></html>