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Author Topic: New Plugin: Texas Instruments Chronos wireless watch  (Read 46396 times)

Offline obot

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New Plugin: Texas Instruments Chronos wireless watch
« on: March 01, 2011, 05:28:56 am »
I've developed a new plugin for TI's $49 eZ430-Chronos wireless RF watch.  More information about both the watch and the plugin is at http://code.mios.com/trac/mios_ez430-chronos/wiki.

I currently use the watch to control my lights, and it works great.  Let me know if you have any questions or need installation help.

Offline Ap15e

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Re: New Plugin: Texas Instruments Chronos wireless watch
« Reply #1 on: March 01, 2011, 06:03:09 am »
Cannot access the page: 'Error: Forbidden ...'

Offline obot

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Re: New Plugin: Texas Instruments Chronos wireless watch
« Reply #2 on: March 01, 2011, 06:37:27 am »
Cannot access the page: 'Error: Forbidden ...'

Oops -- thanks for letting me know.  This should be fixed now.

Offline huogas

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Re: New Plugin: Texas Instruments Chronos wireless watch
« Reply #3 on: March 01, 2011, 07:27:11 am »
First, great work of documentation.

I'm a newbie, and, sorry, I don't understand the purpose, the added value of the device.

For my information,

Gaston
« Last Edit: March 01, 2011, 07:35:32 am by huogas »
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Offline oTi@

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Re: New Plugin: Texas Instruments Chronos wireless watch
« Reply #4 on: March 01, 2011, 07:35:07 am »
I've developed a new plugin for TI's $49 eZ430-Chronos wireless RF watch.
Good work! Really cool.  8)
Dezwaved at the moment...

Offline obot

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Re: New Plugin: Texas Instruments Chronos wireless watch
« Reply #5 on: March 01, 2011, 07:38:10 am »
First, great work of documentation.

Thanks

Quote
I'm a newbie, and, sorry, I don't understand the purpose, the added value of that device.

For the current version of the plugin, think of the watch as a remote control that:
  • You always have on you
  • Is easy to access
I use the watch to turn on the lights as soon as I enter my home, or to turn off lights from my bedroom once I've left the living room.

More generally, the watch has a ton of features like an accelerometer (like Wii remotes) and temperature sensor: imagine controlling a heater or electric blanket based on your body temperature rather than the temperature where the thermostat is.

I plan on adding support for the other features, and am looking for creative ideas. 

Offline Ap15e

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Re: New Plugin: Texas Instruments Chronos wireless watch
« Reply #6 on: March 01, 2011, 07:48:11 am »
Thanks for sharing your excellent work.

Some questions about the hardware in general:
  • Is there a way to avoid the polling?
  • How many buttons are supported?
  • How many characters and which characters can be displayed?
  • Does the access point support more than one watch?

I'm asking because I'm thinking about adapting my LOUIS4Vera plugin to the watch.

Source code for LOUIS4Vera is available at:
http://forum.micasaverde.com/index.php?topic=5232.0

If you'd like to try out LOUIS4Vera, instructions are at:
http://forum.micasaverde.com/index.php?topic=5232.msg29572#msg29572

Offline huogas

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Re: New Plugin: Texas Instruments Chronos wireless watch
« Reply #7 on: March 01, 2011, 07:49:31 am »
Thanks Obot

I think that I missed an important information at first  :-[

Really, really interesting. Good idea.

Thanks

Gast
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Offline obot

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Re: New Plugin: Texas Instruments Chronos wireless watch
« Reply #8 on: March 01, 2011, 08:18:49 am »
Thanks for sharing your excellent work.

I'm glad to see folks are interested.

Quote
Some questions about the hardware in general:
  • Is there a way to avoid the polling?

Not that I can think of without writing custom firmware for the watch and or access point (which isn't out of the question).

Quote
  • How many buttons are supported?

Just 3, and I don't believe the watch's default firmware supports combinations; however, it does have a 3-axis accelerometer though =)

Quote
  • How many characters and which characters can be displayed?

According to the TI Chronos Wiki (http://processors.wiki.ti.com/index.php/EZ430-Chronos), the LCD has 96 segments.  To get a sense of what that practically means, take a look at the image at the wiki.

Quote
  • Does the access point support more than one watch?

Great question.  I'm not sure.  I believe that the underlying protocol the watch uses, SimpliciTI, probably supports multiple devices, but I doubt that the default firmware is capable of this.

Quote
I'm asking because I'm thinking about adapting my LOUIS4Vera plugin to the watch.

Source code for LOUIS4Vera is available at:
http://forum.micasaverde.com/index.php?topic=5232.0

If you'd like to try out LOUIS4Vera, instructions are at:
http://forum.micasaverde.com/index.php?topic=5232.msg29572#msg29572

Very cool plugin.

Offline mcardenas

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Re: New Plugin: Texas Instruments Chronos wireless watch
« Reply #9 on: March 01, 2011, 09:05:53 am »
Hey Obot, Very cool plugin.

Do you think is possible to Vera to sync its clock with the Chronos? I'm thinking in installations were internet connection is not available. When there is no internet, Vera loses current date and time and off course all your schedule is messed up.

Offline Ap15e

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Re: New Plugin: Texas Instruments Chronos wireless watch
« Reply #10 on: March 01, 2011, 09:11:58 am »
The attachment shows the display with all segments lit.

Offline Ap15e

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Re: New Plugin: Texas Instruments Chronos wireless watch
« Reply #11 on: March 01, 2011, 03:09:38 pm »
@obot

Still thinking about adapting LOUIS4Vera to the Chronos (LOUIC4Vera :)) ...
All I'd need is a command to display characters on the Chronos.

Is there a list of commands for the default firmware?

Edit:
Some information is available at http://focus.ti.com/lit/ug/slau292c/slau292c.pdf (3.6.5.1.2).
« Last Edit: March 01, 2011, 03:29:42 pm by Ap15e »

Offline obot

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Re: New Plugin: Texas Instruments Chronos wireless watch
« Reply #12 on: March 01, 2011, 05:05:55 pm »
@obot
All I'd need is a command to display characters on the Chronos.

Is there a list of commands for the default firmware?

Unfortunately, the default watch firmware doesn't have support for this.  Most of the firmware is open source, and there are several examples of custom firmware that display stuff on the watch.  Here are some of my favorites:


I am eventually going to be writing custom code for the watch and would be happy to work on this with you.

Update: If you'd like to go ahead and start poking around source codes for the watch, grab one or more of the following:


Some parts of TI's firmware aren't open source, but most are.  OpenChronos can be compiled using mspgcc4, http://mspgcc4.sourceforge.net/.  I've used all of the above at various points, so let me know if you need help getting things set up. 
« Last Edit: March 01, 2011, 05:38:08 pm by obot »

Offline obot

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Re: New Plugin: Texas Instruments Chronos wireless watch
« Reply #13 on: March 01, 2011, 05:27:11 pm »
Hey Obot, Very cool plugin.

Do you think is possible to Vera to sync its clock with the Chronos? I'm thinking in installations were internet connection is not available. When there is no internet, Vera loses current date and time and off course all your schedule is messed up.

This should be possible.  I'll look into it.

Offline shady

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Re: New Plugin: Texas Instruments Chronos wireless watch
« Reply #14 on: March 02, 2011, 08:25:29 pm »
Very cool plug-in, but now I am getting sucked back in to wearing a watch (something I thought I'd never do again).

This may have been mentioned, but would it be possible to have the watch behave like what @Woodsby has been doing with the RFID plug-in?  Like have a receiver in each room and the watch can judge proximity by signal strength and trigger scenes accordingly.
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