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ATTiny85 Wake on Pin Change With WDT Enabled and sleep Mode

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Posted by Sam Reaves   (1 post)  [Biography] bio
Date Fri 17 Jul 2015 02:54 AM (UTC)
Message
Hello Nick,

I am trying to do the following:

Wake up a sleeping ATTiny85 on a serial asynchronous data pulse (actually a 1 wire request) using the pin change and then process a message then if no further data occurs just let the WDT time out and reset the micro.

It seems that on the first time the micro is powered on a serial transmission will keep the processor alive but once the WDT times out and resets the micro an external pin change never wakes up the micro.

I looked at code on your site but it seems that your code can wake on pin change and on WDT but not exactly what I want to do.

Any ideas?

Thank you very much.

Sam
W3OHM
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Posted by Nick Gammon   Australia  (21,378 posts)  [Biography] bio   Forum Administrator
Date Reply #1 on Fri 17 Jul 2015 08:53 AM (UTC)
Message
Template:Arduino Please post Arduino-related questions to the Arduino Forum or to StackExchange: Arduino. This saves splitting questions and answers between this forum and the Arduino ones.

- Nick Gammon

www.gammon.com.au, www.mushclient.com
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