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marcan42's profile
Hector Martin
Hector Martin
Hector Martin
@marcan42

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Hector Martin

@marcan42

If it ain't broke, I'll fix it! I'm porting Linux to Apple Silicon Macs at @AsahiLinux. http://patreon.com/marcan  | http://github.com/sponsors/marcan 

Tokyo, Japan
marcan.st
Joined May 2009

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    1. Hector Martin‏ @marcan42 27 Aug 2018
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      Hmm, the sensor failed during the rain earlier (but now it's back). Water ingress? The host was up, but no temperature readings, which means the BME280 was failing to acquire measurements but was otherwise up.pic.twitter.com/w276AnJddA

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    2. Hector Martin‏ @marcan42 27 Aug 2018
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      I'm guessing water entered the sensor opening. I need a radiation/weather shield anyway, so that should take care of both the sun and rain problems.

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    3. Hector Martin‏ @marcan42 27 Aug 2018
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      I should add a status metric to know what the actual error code was (e.g. failed I²C acks vs. error status vs. timeout).

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    4. Hector Martin‏ @marcan42 27 Aug 2018
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      It's raining again and yeah, looks like the BME280 is not acking I²C transactions. Probably water ingress. I'll print a shield for it tonight.pic.twitter.com/npmp5DF7Ka

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    5. Mike‏ @cmsimike 27 Aug 2018
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      Replying to @marcan42

      scrub question: any particular resources you'd recommend to someone who is just getting into I²C, SPI, GPIO, and similar? I have hooked up various things to raspberry pis following instructions, but I'd love a deeper understanding of all this.

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      Hector Martin‏ @marcan42 27 Aug 2018
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      Replying to @cmsimike

      Read actual part datasheets and protocol spec documents. They tell the real story :-)

      11:02 PM - 27 Aug 2018
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        1. Mike‏ @cmsimike 28 Aug 2018
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          Replying to @marcan42

          Thank you!

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