Re: [Oorexx-users] Need help reading,writing to a "com" port

[Les K. <vm...@ta...>]

Lee, Jon;

I don't see  it on *this* list (oorexx-users)! If either of you see it 
here, why don't I?

Les

On 2/5/2016 1:04 PM, Jon Wolfers wrote:
> Hi Lee,
>
> I do extremely occasionally get called on to approve posts on the sf lists.
> Usually this is if the post is larger than the limit for the list ( I can't
> remember what that is, but I think I've seen it happen twice).
>
> I did see your post and I have not been asked to approve any mails for a
> while.
>
> Jon
> <https://www.avast.com/sig-email> This email has been sent from a
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> www.avast.com <https://www.avast.com/sig-email>
> <#DDB4FAA8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
>
> On 5 February 2016 at 16:01, Lee Peedin <le...@sa...> wrote:
>
>> Thanks for the forward Les, but it appears that my post did make it to the
>> list - about an hour after I sent it.  Not sure if that is the way
>> everyone's emails are posted or if "someone" down the pipe had to approve
>> my post before it got sent to the list.
>>
>> Lee Peedin
>> VP Research & Development
>> Safe Data, Inc.
>> Wallace, NC
>>
>> ----- Original Message -----
>> From: "Les Koehler" <vm...@ta...>
>> To: wb...@ar..., "Open Object Rexx Users" <
>> oor...@li...>
>> Sent: Friday, February 5, 2016 10:53:56 AM
>> Subject: Re: [Oorexx-users] Need help reading,writing to a "com" port
>>
>> On behalf of Lee Peedin who, for some reason, can receive posts but
>> can't post (why?):
>>
>> Never used it, but there's a RxFuncAdd library out there in the
>> wonderful world of the internet called "RxComm".  It was written by
>> Christian Kulovits (Austria).  Its stated purpose: "RxComm is a REXX
>> Communications application programming interface (API) package that
>> provides access to serial communications devices from your REXX
>> program."  The web site also says "Version 1.3 with support for
>> multiple REXX interpreters. (Regina, Raginald [sic], Object Rexx,
>> Enterprise Rexx and Personal Rexx)"
>>
>> http://members.aon.at/kulovits/christian/downloads.htm
>>
>> I have no idea if it works, but at least this will maybe bring the
>> conversation back on topic.
>>
>> Lee Peedin
>> VP Research & Development
>> Safe Data, Inc.
>> Wallace, NC
>>
>>
>> On 2/2/2016 11:47 AM, Bill Turner, WB4ALM wrote:
>>> This has been cross-posted to "ooRexxUsers" and "ooRexx-devel"
>>> ==============================================================
>>> I am now a volunteer and am associated with a County Emergency
>>> Operations Center, and I need to put some "very old" radio
>>> equipment back into service...
>>>
>>> ...some of which likes to communicate with a computer via an RS-232
>>> connection.  Since most modern computers do not have RS-232 ports
>>> anymore, I have purchased an RS-232 USB adapter cable.
>>>
>>> I am finding that my knowledge on how to use ooRexx to communicate
>>> with an RS-232 port is VERY limited...
>>> ...and I am having problems making it work.
>>>
>>> 1. I will be using this equipment with Windows 10 and with Linux.
>>>       My primary test environment is Linux: Ubuntu 14.04 with Cinammon
>>>       (Don't like UNITY!)
>>> 2. ooRexx 4.2 on all systems.
>>> 3. The USB cable shows up as  /dev/ttyUSB0  under Linux
>>>       and as  COM1  under windows.
>>> 4. The external equipment works in a half-duplex mode.
>>>       You send it a command and it responds with an answer.
>>>       The "commands" are formatted in a manner very similiar to
>>>       the old Hayes modem commands, I.E.
>>>        "AT" followed by a command text followed by a carriage return
>>>        (all upper case!)
>>>
>>>
>>> I know that the hardware works, since I can use "minicom" on Linux
>>> to communicate with the external device, which only supports
>>> 300 or 1200 baud, 8-bits no-parity or 7-bits even/odd parity.
>>>
>>>
>>> Questions:
>>> 1. Is there a way to specify port speed, parity, etc. from INSIDE
>>>       the ooRexx routine?
>>>
>>>       Under Linux, I can use "stty" externally, but can not invoke it
>>>       internally from the ooRexx routine because the change is not
>>>       maintained for the remainder of the duration of the rexx exec.
>>>       (apparently this is an Enviromental/Shell issue... ???)
>>>
>>> 2. More importantly, does anybody have a simple read/write ooRexx
>>>       sample that can talk to a com port? (I beleive that stream IO
>>>       and charin/charout are required. Lineout doesn't seem to
>>>       transmit anything, but charout does.)
>>>
>>>       I can get my routine to transmit, but I do not seem to be able
>>>       to receive any data.
>>>
>>>       Normal use:  I send a command like "ATRT" <CR>, and it responds
>>>                    with a 6-digit message and a <CR> or <CRLF>.
>>>
>>>
>>> 3. I know that data is being transmited, because I can see the
>>>       "flashing lights" on my rs-232 test adapter. I think, however,
>>>       that the speed or parity might be wrong, as the remote device
>>>       does not seem to be responding.
>>>
>>>       As I said, the remote device uses commands that start with "AT"
>>>       like those used in the old Hayes modems, and it will respond
>>>       with either a "0" <CR> or possibly a 4 to 8 character message and
>>>       a <CR> when it recognizes a command request.
>>>
>>> 4. any help would be appreciated.
>>>
>>> /s/ Bill Turner, wb4alm
>>>