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Blog Elegant and Robust Capacitive Touch Interfaces - Part 2 - Software
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  • Author Author: Workshopshed
  • Date Created: 16 Jul 2016 9:12 PM Date Created
  • Views 946 views
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  • Comments 7 comments
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  • capacitive sensor
  • ti

Elegant and Robust Capacitive Touch Interfaces - Part 2 - Software

Workshopshed
Workshopshed
16 Jul 2016

To use the development kit you need to download and install the "CapTIvateTm Design Center" GUI

 

CapTIvate_Design_Center 1_20_00_01 - TI.com

 

This allows you to see the outputs from the sensors and design new interfaces. The installation is very straightforward and simply requires you to confirm the license and select and installation directory.

image

 

The designer includes the samples mentioned in the getting started tutorials and these in turn contain handy annotations.

 

The designer can also be used to analyse and tune an existing design, out of the box you can plug in the CAPTIVATE-BSWP board, fire up the software and enable communication. This board has a linear and rotary slider, 8 buttons and a proximity detector which is also used to wake the MCU from a sleep mode. As you interact with the physical board you can see the graphics respond.

imageimage

For more detail open up the properties of one of the sensors to see the channel data.

image

You can also tune the sensors from here and apply the settings to the board.

From the properties of the MCU, you can see all of the channels at once and it's here that you would specify which kind of input devices are attached to which pins.

image

Once you are happy with your tuning and settings you can generate code for the target system.

 

Although you don't need to do your own programming to be able to use the design centre, you do need to have additional software installed to do the uploading. Code Composer studio is recommended and is a free download although you do need a MyTI account and you do need to promise not to use it for taking over the world etc.

 

Download CCS - Texas Instruments Wiki

 

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Code Composer Studio setup seemed straight forward enough but it complained that I had antivirus software installed and the downloader also fired an alert on the Windows Firewall. I picked what I hope are the right options, selecting all of the product families for the MSP range, the default debuggers and none of the extras from the TI version of the app store.

image

I've left this installing and will let you know how I get on programming the board next time. I plan to run through the workshop before I get onto using the boards with different overlays and gloves.

 

CapTIvateTm Technology Guide: Workshop

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Top Comments

  • Workshopshed
    Workshopshed over 8 years ago in reply to Jan Cumps +2
    >a DS-5 from Atmel ARM SoftBank lol
  • DAB
    DAB over 8 years ago +1
    Great update Andy. I really like the tuning tools from TI. They appear to be very well designed and user friendly to explore to capacitive sense capabilities of your design. DAB
  • Jan Cumps
    Jan Cumps over 8 years ago +1
    You can use CCS to take over the world, but you need to go through an approval cycle.
  • Workshopshed
    Workshopshed over 8 years ago in reply to Jan Cumps

    >a DS-5 from Atmel ARM SoftBank

    lol

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  • Jan Cumps
    Jan Cumps over 8 years ago in reply to Fred27

    Indeed easy to end up with many Eclipses.

    On the other hand, I don't know if I really want to mix the things.

    I currently have a plain Eclipse, a DS-5 from Atmel ARM SoftBank as a remnant of the Enchanted Objects roadtest, CCS from TI and Simplicity Studio from Silicon Labs.

    I'm almost happy that they are somewhat isolated.

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  • Fred27
    Fred27 over 8 years ago in reply to Jan Cumps

    I think CCS used to be available as an Eclipse plug-in itself, but no longer. A shame really - it's easy to end up with multiple custom branded versions of Eclipse when one would do.

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  • Jan Cumps
    Jan Cumps over 8 years ago in reply to Workshopshed

    Yes. you'll get the hang of it in an hour or so.

    especially if you've used Eclipse before, because CCS is Eclipse with add-ons and rebranding.

     

    this also means that plug-ins for eclipse work. And that you have access to cool things such as version control integration, Task management, a build-in terminal program, etc...

     

    I've also installed a PDF plug-in. And I copy a link to my project datasheets to the project I'm working on. It's easy to have your documents available just like that.

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  • Workshopshed
    Workshopshed over 8 years ago

    I had a quick play with CCS and it looks straight forward enough for what I'll be doing with it.

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