reyemxela

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• Bangle.js2 wakeOnTouch causes backlight to randomly turn on when HRM is reading

  @reyemxela started

  • 11 comments
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  @user147320 replied
• Bangle.js2 wakeOnTouch causes backlight to randomly turn on when HRM is reading

  in Bangle.js • 7 months, 3 weeks

  

  No rush at all, it's not really affecting me all that much. My main reason for bringing it up was more out of curiosity, trying to understand what was happening internally to cause that interaction, and to make sure it wasn't something I was doing wrong/a hardware issue with mine.

  BTW, love the project so far! It's a little too much fun being able to just pull up a remote console to a WATCH of all things and run arbitrary code on it.

• Bangle.js2 wakeOnTouch causes backlight to randomly turn on when HRM is reading

  in Bangle.js • 7 months, 3 weeks

  

  Haha, well I'm just glad it's not something wrong with my watch's hardware.

• Bangle.js2 wakeOnTouch causes backlight to randomly turn on when HRM is reading

  in Bangle.js • 7 months, 4 weeks

  

  Interesting. So now that I know that it's using the accelerometer, I've gotten some more data. I had noticed some strange stuff when messing with the "tap" event a while back, and I just tested it a little more.

  Setting HRM: always

  Then in the console:

  >Bangle.on('tap', (data) => {console.log(Date().getSeconds()+" "+data.dir);})
  =undefined
  3 top
  4 right
  5 right
  6 back
  8 right
  8 front
  8 top
  10 bottom
  11 front
  12 bottom
  13 top
  15 left
  16 right
  17 right
  18 top
  

  It throws events all over, sometimes multiple times per second. The HRM seems to stop if I take the watch off and lay it on my desk, so I have it on my wrist but I'm holding extremely still.

  As soon as the HRM is off, the onTap seems to work perfectly fine. It registers directions just fine, and only when I tap it deliberately.

  I loaded up accelgraph while the HRM was off/on, but there didn't seem to be any difference that I could tell.

• Bangle.js2 wakeOnTouch causes backlight to randomly turn on when HRM is reading

  in Bangle.js • 7 months, 4 weeks

  

  Hey there. Just got my new Bangle.js2 a week or so ago, and I've been having a blast messing with it and tweaking things.

  I'm trying to figure out if this is a hardware issue with mine, or maybe a weird software bug. Running latest 2v19.

  Easiest way to reproduce:

  • wakeOnTouch: true
    
  • LCD timeout low (easier to see what's happening)
    
  • HRM interval: always (just to see it happen consistently)
    
    

  With those options set, my backlight will randomly turn itself on while the HRM is trying to read.

  Took me a little while to figure out what was actually causing the sporadic backlight, because it wasn't happening all the time. Finally noticed it was happening when the heart rate monitor was going.