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VirtualEnder last won the day on October 14 2012
VirtualEnder had the most liked content!
About VirtualEnder
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Website URL
www.miniquadtestbench.com
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Location
Chattanooga TN
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Interests
Drones, Robotics, Data collection and analysis
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Github
https://github.com/VirtualEnder
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I'm attempting to add support for a pseudo digital protocol to a project of mine. I'm attempting to implement the dShot protocol for controlling ESCs on my thrust stand, and having some issues. The TivaC doesn't appear to have very robust output control. You can see what I'm trying to do here: https://github.com/VirtualEnder/TestStandv2/blob/dev/MQTB_Thrust_Stand/hardwareTimers.ino Basically the protocol uses a modified PWM signal with each bit being 1.67us period with 1250ns representing a 1 and 635ns representing 0, basically encoding a 2048 bit throttle signal with some CRC data and a
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- dshot
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[Energia Library] Capacitive Touch library
VirtualEnder replied to energia's topic in MSP Energia Libraries
Awesome thanks so much for this! Will this be included in the next Energia release? Been waiting for this for a while! -
Great to hear. I'll be interested in watching how adoption of Arduino by other boards goes with this new framework in place with 1.5. They Arduino folks have really been pushing the idea of making it easier to port, so we'll see what happens. I'm excited about the option of having more boards easily accessible for education and early introduction to electronics. This has all kinds of implications for STEM education as well as high-school and up.
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I'm also curious what the release of Arduino 1.5 today means for Energia. From my reading of the documentation, it looks like they have built in structures to the new Arduino to simplify porting it to new architectures. I'm curious how you guys will approach that, if you are considering wrapping your port work into the new Arduino or continuing to develop Energia as a separate project.
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Are you going to be driving the motors using io operations? How fast can the 430 cycle pins? Also how are you handling acceleration for the steppers? Nice work though, it looks really well thought out!
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I recommend TeraTerm as a simple serial terminal. Very flexible and easy.
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Stellaris Early Adopters, Look Inside - Award System Installed
VirtualEnder replied to bluehash's topic in Announcements
Oooh I was here early! -
That's so weird, I ordered mine the same day (Aug 31) at 2:30 in the afternoon and I got mine Oct 5th. Strange!
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TI Specified a potential ship date when I first ordered mine and it shipped out exactly when they said. Shipped on the 3rd of Oct, in my hands on the 5th!
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I managed to solve the undefined error by moving my interrupt handler into a separate C file and moving my constant definitions out into a separate header file. Seems to work OK! Moving on!
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Well I feel kind of stupid, Dan helped me out on his blog. I just had forgotten to switch the primary file over to a .cpp (C++) so his object for the display was throwing errors! The library he wrote is accessed by including the header file in your main C++ file. Thanks to Dan for helping me out with that bit. (note to admins, he said he's having trouble getting his account activated on this site :| someone should check that out, he rocks!) That fixed the problems with the display, now I'm getting an error on the interrupt handler. Since I've added the display code it says my IntHandle
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Here is a code library for a 7seg display/led/button module available cheaply on dealextreme. Code works well and I've found it useful, though I've had some trouble integrating it into other projects. Credit goes to Dan Oprescu (robotrandi <at> gmail <dot> com) http://trandi.wordpress.com/2012/10/11/tm1638-display-driver-for-stellaris-launchpad/