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RCHourglass DIY Lap Timing (AKA Cano revised)

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RCHourglass DIY Lap Timing (AKA Cano revised)

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Old 02-19-2019, 08:05 AM
  #376  
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Hi,
I recently started my old timing project with Tag RF (2.4GHz)
and with my surprise that someone has resumed and improved the cano decorder.
I wanted to ask a question: instead of using the devkit cypress, is it possible to implement RX on an arduino two?
I ask this because I have done almost everything, but it would fail yet to implement the reception on arduino instead of on devkit ..
Let me explain better: I have connected an arduino DUE on one side to an RF receiver, in order to decode the TAGs that passed on the loop and on the other side an orangePI, connected by USB, that decoded the transmission of the tag and re-transmitted me on WIFI or ethernet in MyLaps-compatible coding, for compatibility with the software we use on the track (Rctiming). So in my opinion it will be enough to remove the receiver and mount only the amplifier and the decoder. If this is correct, could the sources be obtained?
******
For a user who asked that toroid use to replicate the Mylaps loop: I used the toroid FT-114-43 by wrapping 25 turns for the loop side and 10 for the decoder side.
I have one question, but when you mention the decoder reading the RC4 tags, do you mean both hibrid and pure?

Thanks
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Old 02-20-2019, 06:51 AM
  #377  
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Hi, the transponder capture from RF signal is done in hardware. Original Cano decoder uses logic gates, RCHourglass uses configurable FPGA-like hardware designed in verilog inside the PSOC. There's no way this part can be translated in 'software code' that can run in antoher platform. I'm afraid timing contraints are too much tight to be done software only (but I might be wrong...). RCHourglass decoder can be used with a hardware serial port beside the USB CDC serial port. This is exactly intended to connect with another micro/RPi etc. You can then choose to use one of the 'high level' protocols (AmbRC/Cano etc) and get only the TX passage number and timestamp. Our you can activate 'Monitor mode' to read every RF packet received if you want to do more processing.
RC4 pure and hybrid are read. RC pure require to 'learn' the transponder, the decoder can keep memory for 40 transponders. Some users have reported low read success with hybrids, but I don't have full time access to a hybrid to do deeper tests. Learning the hybrids should increase detection sensitivity. Still investigating this issue...
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Old 02-21-2019, 08:18 AM
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Ok, for the moment i prefer to use devkit instead of arduino; if you will publish the sources I will see what I can do ... as soon as I get the devkit I will modify the part that runs on orangePI to receive your encoding.

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Old 03-13-2019, 07:06 AM
  #379  
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Loop amp ready for the testing. Hope everything is ok.
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Old 03-13-2019, 09:35 AM
  #380  
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Originally Posted by lexusbest View Post
Loop amp ready for the testing. Hope everything is ok.
Good job, keep us updated with your build. I'm releasing v 0.6 soon to correct a bug for the serial line mode selection.

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Old 03-14-2019, 05:01 AM
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Well, I have been following this thread for some time and I have already decided to manufacture the RChourglass. At the moment my main question is whether the donation has to be made to a specific children's association or can be made to a local association that helps children. Thank you very much for your effort and time invested in this project.
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Old 03-14-2019, 05:21 AM
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Originally Posted by Llo836 View Post
At the moment my main question is whether the donation has to be made to a specific children's association or can be made to a local association that helps children. Thank you very much for your effort and time invested in this project.
Whatever you prefer. Any charity you think is worth is fine. Since we're playing with models, I thought a little help to children (and their right to play) would make sense.
Thank you and let us know about your build.
Marco

Last edited by mv4wd; 03-14-2019 at 05:21 AM. Reason: syntax
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