[GreenKeys] Teletype 32-ASR / Arduino vs Raspberry Pi

[epvgk at limpoc.com]

On Tue, Jun 11, 2013 at 06:40:25PM -0300, Javier Albinarrate wrote:
> Tony, and ?that is how you learnt Spanish? ;)
> 
> Trammell, great little board you have there, I have been using a PIC
> based one for some time (old laptop with COM port died), which works
> just fine for sending and even for keyboard writing, but falls
> appart when reading from tape, because PICs have no native 5 bits
> data width support for the UART... terribly annoying. I then started
> looking for Arduino, and got a couple boards, one with Ethernet to
> play, however... I spent nearly $35 for the boards now I feel I have
> simply burnt that money as I am buying a Rapsberry Pi for $45.
> 
> According to the Raspberry PI wiki/specs the secondary UART supports
> both low speeds, as well as 5 bits data width.
> And the thing has ethernet, USB, HDMI, TV out, SD card, can use a
> WiFi, or Bluethooth dongle, has 512MB RAM, has many IO pins to use
> (like relays for turning the TTY on, or buttons for predefined
> commands, etc), and all that for just a couple more bucks than the
> Arduino. That has been making me wonder WHY ON EARTH I spent time
> with the PICs and Arduino...
> 
> Has anyone here tried it?
> 
> Regards!
> 
> Javier

Javier --

Yes, it works on raspberry pi with the builtin serial port. There may be some
fiddling around but it only took me a half hour or so to get heavymetal working. 

eric

> -----Original Message----- From: tony.podrasky
> Sent: Tuesday, June 11, 2013 5:18 PM
> To: greenkeys at mailman.qth.net
> Subject: Re: [GreenKeys] Teletype 32-ASR
> 
> I wrote a program to convert ASCII to ITA#2 so
> that I could print out my e-mail on the 28-KSR.
> 
> I got an extra question mark and installed it
> in the typebox where the upper-case BLANK is.
> And I put it in up-side-down.
> 
> When the program had to translate a non-ITA#2
> character, it would just print the up-side-down
> question mark and I knew that there was a
> character that couldn't be translated.
> 
> UE,
> W6ESE - tony
> NNNN
> ZCZC
> 
> 
> On 06/11/2013 01:08 PM, Trammell Hudson wrote:
> >On Jun 11 2013 1:58 PM, tony.podrasky wrote:
> >>What does the interface do about the non ITA#2
> >>characters when it receives them?
> >
> >It eats them for now.  Any suggestions for better mappings?
> >
> 
> -- 
> Tony J. Podrasky | Inventions reached their limit long ago,
>                  | and I see no hope for further development.
>                  |
>                  |         -Julius Frontinus, 1st century A.D.
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