<div dir="ltr"><div><div>Further tests :<br><br></div>Is the whole EEPROM erased or just the key ?<br></div>Do you have any sample code with no other OpenTRV parts : does that also fail ?<br><br></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Jun 27, 2016 at 1:16 PM, Deniz Erbilgin <span dir="ltr"><<a href="mailto:deniz.erbilgin@gmail.com" target="_blank">deniz.erbilgin@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div><div><div>Hi Guys,<br><br></div>I've started trying to isolate our problem with the keys and node IDs not being retained in EEPROM.<br><br>A quick summary and links to an ongoing write up can be found in our wiki:<br><a href="https://github.com/opentrv/OTWiki/wiki/Key-Amnesia-Investigation" target="_blank">https://github.com/opentrv/OTWiki/wiki/Key-Amnesia-Investigation</a><br><br></div><div>Summary copied from the wiki:<br><ul><li>The key is definitely written to EEPROM.</li><li>The key is always lost to all FFs.</li><li>Key loss and retention are independent of resetting and power-cycling.</li><li>Long term key retention only seems to require the EEPROM location to be written to and then cleared first.</li></ul></div>I'd appreciate any ideas and input people can give me because the more I investigate, the more bizarre this seems.<br><br></div>Regards,<br><br></div>Deniz<br></div>
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