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Re: Forth and "embedded" enviroment

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On 11/4/2015 8:06 AM, kristoff wrote:
> Hi Rickman,
>
>
>
> On 03-11-15 17:12, rickman wrote:
>> If you mean common to Auduino, I don't know Arduino and am not likely to
>> be reading the docs to try to use similar routines.  I have looked at
>> Arduino a bit and didn't find it so clear, but that is likely because I
>> wasn't familiar with the language.  I ended up asking for help with some
>> library stuff and a few programmers who weren't familiar with Arduino
>> couldn't tell if it was C++ or some other language, lol.  Does Python
>> look like C++?
>
>
> That is true.
>
> But, in essence, that is not that bad. Most of these people would
> otherwize not be using microcontrollers if it was not for the
> ease-of-use of the arduino enviroment.
>
> If you want more info on writing libraries, github is probably a better
> place to look.
>
>
> In fact, the original arduino enviroment is a combination of C++, the
> "processing" enviroment, a library called "wiring" and the arduino
> bootloader. Add to the arduino board itself, the formfactor of the
> shields, the frizling enviroment for documentating designs and ...
> probably the most important, the fact that everything was thrown on the
> internet as open source.
>
>
>
>
>>> But, as said, the point is that the large majority of people do not
>>> really care about all this.
>>> The next exercise for the class is a project to drive a antenne-motor
>>> (based on information received from a PC).
>>> You know, these people do not care about the USARTDIV or PORTAMOD
>>> registers or or interrupt service routines for the USART or the ADC,
>>> they joint want to have something that works: i.e. point the antenne to
>>> the direction of the remote station they want to reach.
>>
>> A loop antenna any chance?  I've been learning about them and they seem
>> very interesting.  I don't even have a Ham license, but I'm thinking
>> about getting one so I can experiment with transmitting loop antennas.
>
>
> This project just talks to a antenne motor controller. It just drives a
> motor to rotate any antenne you happen to have on your mast.
>
>
> For magnetic loop antennas, the main issue is tuning it. Using a
> loop-antenne to receive is easy but if you want to transmit, you have to
> make sure it is correctly tuned to the frequency on which you want to
> transmit.
> As a magnetic loop antenne is very narrow-band, you actually need to
> return it while you are changing frequency in the same band.
>
>
> We once did an analysis of a automatic loop-antenna tuning system
> somebody made (and for which the code was available). It worked pretty
> well, even in the not so easy enviroment of having high-power RF that
> close to the PIC controller.
>
>
> Althou radio by itself has a particular "magical" aspect to it, I
> concider it also very interesting as an "add-on" for other hobbies. Last
> year, we had people who where into electronics, networking,
> high-altitude ballooning, signal-processing (DSP, SDR, ...), robotics,
> quadcopters, etc.
>
> I do not know where you are located, but if you happen to visit FOSDEM
> in Brussels on the 30 and 31 of January (https://fosdem.org/2016/), we
> will probably have our infobooth on ham-radio this year again.

I would certainly consider that, but I don't swim as well as I used to. 
  I"m in the US.

-- 

Rick

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Thread

Forth and "embedded" enviroment kristoff <kristoff@skypro.be> - 2015-10-22 00:23 +0200
  Re: Forth and "embedded" enviroment Roberto Waltman <usenet@rwaltman.com> - 2015-10-21 19:19 -0400
  Re: Forth and "embedded" enviroment rickman <gnuarm@gmail.com> - 2015-10-21 21:59 -0400
    Re: Forth and "embedded" enviroment kristoff <kristoff@skypro.be> - 2015-10-22 15:37 +0200
      Re: Forth and "embedded" enviroment rickman <gnuarm@gmail.com> - 2015-10-22 15:43 -0400
        Re: Forth and "embedded" enviroment jonjo <jjonethal@yahoo.de> - 2015-10-22 15:26 -0700
          Re: Forth and "embedded" enviroment rickman <gnuarm@gmail.com> - 2015-10-23 03:20 -0400
        namespace (was: Forth and "embedded" enviroment) kristoff <kristoff@skypro.be> - 2015-10-25 23:20 +0100
          Re: namespace Paul Rubin <no.email@nospam.invalid> - 2015-10-25 15:45 -0700
            Re: namespace kristoff <kristoff@skypro.be> - 2015-10-25 23:53 +0100
              Re: namespace Paul Rubin <no.email@nospam.invalid> - 2015-10-25 16:18 -0700
                Re: namespace "Elizabeth D. Rather" <erather@forth.com> - 2015-10-25 14:01 -1000
                Re: namespace Paul Rubin <no.email@nospam.invalid> - 2015-10-25 17:40 -0700
          Re: namespace "Elizabeth D. Rather" <erather@forth.com> - 2015-10-25 12:50 -1000
            Re: namespace kristoff Bonne <kristoff@skypro.be> - 2015-10-26 00:11 +0100
              Re: namespace "Elizabeth D. Rather" <erather@forth.com> - 2015-10-25 14:10 -1000
                Re: namespace kristoff <kristoff@skypro.be> - 2015-11-03 23:11 +0100
                Re: namespace "Elizabeth D. Rather" <erather@forth.com> - 2015-11-03 16:17 -1000
                Re: namespace kristoff <kristoff@skypro.be> - 2015-11-07 17:56 +0100
          Re: namespace (was: Forth and "embedded" enviroment) hughaguilar96@gmail.com - 2015-10-25 16:31 -0700
          Re: namespace (was: Forth and "embedded" enviroment) anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2015-10-26 11:23 +0000
        Re: Forth and "embedded" enviroment kristoff <kristoff@skypro.be> - 2015-11-03 12:16 +0100
          Re: Forth and "embedded" enviroment rickman <gnuarm@gmail.com> - 2015-11-03 11:12 -0500
            Re: Forth and "embedded" enviroment kristoff <kristoff@skypro.be> - 2015-11-04 14:06 +0100
              Re: Forth and "embedded" enviroment rickman <gnuarm@gmail.com> - 2015-11-04 09:29 -0500
  Re: Forth and "embedded" enviroment Matthias Koch <matthias.koch@hot.uni-hannover.de> - 2015-10-22 11:13 +0200
    Re: Forth and "embedded" enviroment kristoff <kristoff@skypro.be> - 2015-10-22 15:54 +0200
      Re: Forth and "embedded" enviroment Matthias Koch <matthias.koch@hot.uni-hannover.de> - 2015-10-22 16:42 +0200

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