[Newbies] Re: Beginners Digest, Vol 89, Issue 3
Marcos Cevallos
mcevallos09 at gmail.com
Mon Sep 16 00:08:50 UTC 2013
Hi
Is there any example of MODBUS implementation in pharo seaside ?
Regards
Marcos
2013/9/13, beginners-request at lists.squeakfoundation.org
<beginners-request at lists.squeakfoundation.org>:
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> Today's Topics:
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> 1. Re: Beginners Digest, Vol 89, Issue 2 (Marcos Cevallos)
> 2. properly setting the subject line - was: [Newbies] Re:
> Beginners Digest, Vol 89, Issue 2 (Ben Coman)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Fri, 13 Sep 2013 08:00:41 -0500
> From: Marcos Cevallos <mcevallos09 at gmail.com>
> Subject: [Newbies] Re: Beginners Digest, Vol 89, Issue 2
> To: beginners at lists.squeakfoundation.org
> Message-ID:
> <CACHO2ejVcsj27XoFPAf1d6CcHM+PyD+eq-Az7-PjwknjR905ig at mail.gmail.com>
> Content-Type: text/plain; charset=UTF-8
>
> Hi, thanks so much for your promptly support.
> It worked!!!.
>
> I was doing
>
> FileDirectory deleteFileNamed: 'c:\temp\prueba.txt'. and get an error.
>
> But then I tryied
>
> FileDirectory default deleteFileNamed: 'c:\temp\prueba.txt'. and it
> worked.
>
> Sorry I missed include default
>
> Again, thank so much.
>
> This is the first time I wrote.
>
> I am trying to use Seaside to work with Web Services that provide a
> Xerox Multifunction Device. I will tell you how everything is going
> on, If there is anay doubt I will tell you.
>
> Best Regards
>
> Marcos.
>
> 2013/9/13, beginners-request at lists.squeakfoundation.org
> <beginners-request at lists.squeakfoundation.org>:
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>> Today's Topics:
>>
>> 1. Re: Beginners Digest, Vol 89, Issue 1 (Marcos Cevallos)
>> 2. deleting a file from Windows system directory (Ben Coman)
>>
>>
>> ----------------------------------------------------------------------
>>
>> Message: 1
>> Date: Thu, 12 Sep 2013 19:35:17 -0500
>> From: Marcos Cevallos <mcevallos09 at gmail.com>
>> Subject: [Newbies] Re: Beginners Digest, Vol 89, Issue 1
>> To: beginners at lists.squeakfoundation.org
>> Message-ID:
>> <CACHO2egM7Ge-t20kkKE-HbxuRCzdi3Ehfehfgo4TVEjpVdGP4Q at mail.gmail.com>
>> Content-Type: text/plain; charset=UTF-8
>>
>> Hi
>>
>> I´m newbie in squeak
>>
>> I want to know how to delete a file in a windows system directory in
>> pharo 1.3 seaside 3.0.7
>>
>> I really appreciate it
>>
>> 2013/9/10, beginners-request at lists.squeakfoundation.org
>> <beginners-request at lists.squeakfoundation.org>:
>>> Send Beginners mailing list submissions to
>>> beginners at lists.squeakfoundation.org
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>>> Today's Topics:
>>>
>>> 1. Serial port write freezes the VM (mactro)
>>> 2. Re: Serial port write freezes the VM (Levente Uzonyi)
>>> 3. Re: Serial port write freezes the VM (Maciej Troszy?ski)
>>>
>>>
>>> ----------------------------------------------------------------------
>>>
>>> Message: 1
>>> Date: Mon, 9 Sep 2013 05:35:18 -0700 (PDT)
>>> From: mactro <mactro at gmail.com>
>>> Subject: [Newbies] Serial port write freezes the VM
>>> To: beginners at lists.squeakfoundation.org
>>> Message-ID: <1378730118166-4707333.post at n4.nabble.com>
>>> Content-Type: text/plain; charset=us-ascii
>>>
>>> Hi,
>>>
>>> I'm developing a mod for Scratch that will allow controlling an
>>> educational
>>> robot via Bluetooth. I'm using SerialPort2 class that is included in
>>> Scratch
>>> plugin and allows opening ports by name. Everything works fine BUT, when
>>> I
>>> send commands in a loop, and the connection is lost (i.e. the robot was
>>> powered off), the VM freezes. I tried forking the port nextPutAll like
>>> that:
>>>
>>> timer := Delay forMilliseconds: 1000.
>>> port := SerialPort2 new.
>>> port openPortNamed:'COM14' baud:57600.
>>> process := [port nextPutAll:'test'. Transcript show:'port'.] forkAt: 1.
>>> [timer wait. Transcript show:'delay'. process terminate.] forkAt: 7.
>>>
>>> but with no result. Is there any way to write to a serial port with
>>> timeout?
>>>
>>> mactro
>>>
>>>
>>>
>>> --
>>> View this message in context:
>>> http://forum.world.st/Serial-port-write-freezes-the-VM-tp4707333.html
>>> Sent from the Squeak - Beginners mailing list archive at Nabble.com.
>>>
>>>
>>> ------------------------------
>>>
>>> Message: 2
>>> Date: Tue, 10 Sep 2013 04:45:35 +0200 (CEST)
>>> From: Levente Uzonyi <leves at elte.hu>
>>> Subject: Re: [Newbies] Serial port write freezes the VM
>>> To: "A friendly place to get answers to even the most basic questions
>>> about Squeak." <beginners at lists.squeakfoundation.org>
>>> Message-ID:
>>> <alpine.DEB.2.00.1309100442210.21954 at login01.caesar.elte.hu>
>>> Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed
>>>
>>> On Mon, 9 Sep 2013, mactro wrote:
>>>
>>>> Hi,
>>>>
>>>> I'm developing a mod for Scratch that will allow controlling an
>>>> educational
>>>> robot via Bluetooth. I'm using SerialPort2 class that is included in
>>>> Scratch
>>>> plugin and allows opening ports by name. Everything works fine BUT,
>>>> when
>>>> I
>>>> send commands in a loop, and the connection is lost (i.e. the robot was
>>>> powered off), the VM freezes. I tried forking the port nextPutAll like
>>>> that:
>>>>
>>>> timer := Delay forMilliseconds: 1000.
>>>> port := SerialPort2 new.
>>>> port openPortNamed:'COM14' baud:57600.
>>>> process := [port nextPutAll:'test'. Transcript show:'port'.] forkAt: 1.
>>>> [timer wait. Transcript show:'delay'. process terminate.] forkAt: 7.
>>>>
>>>> but with no result. Is there any way to write to a serial port with
>>>> timeout?
>>>
>>> I can't help you with the SerialPort issue, but the process priorities 1
>>> and 7 are definitely bad. Since the idle process uses priority 10, your
>>> processes will never run. Try using something between 11 and 39, or use
>>> the named priorities:
>>> Processor userBackgroundPriority
>>> Processor systemBackgroundPriority
>>>
>>>
>>> Levente
>>>
>>>>
>>>> mactro
>>>>
>>>>
>>>>
>>>> --
>>>> View this message in context:
>>>> http://forum.world.st/Serial-port-write-freezes-the-VM-tp4707333.html
>>>> Sent from the Squeak - Beginners mailing list archive at Nabble.com.
>>>> _______________________________________________
>>>> Beginners mailing list
>>>> Beginners at lists.squeakfoundation.org
>>>> http://lists.squeakfoundation.org/mailman/listinfo/beginners
>>>>
>>>
>>>
>>> ------------------------------
>>>
>>> Message: 3
>>> Date: Tue, 10 Sep 2013 08:39:10 +0200
>>> From: Maciej Troszy?ski <mactro at gmail.com>
>>> Subject: Re: [Newbies] Serial port write freezes the VM
>>> To: "A friendly place to get answers to even the most basic questions
>>> about Squeak." <beginners at lists.squeakfoundation.org>
>>> Message-ID:
>>> <CAA0uA13poQKKMTSQGjWws56YmxhS_s6EC1Sa6_fMBKMLFNH6Qg at mail.gmail.com>
>>> Content-Type: text/plain; charset=ISO-8859-2
>>>
>>> Well, at first I tried using larger numbers, but it seems, that my VM
>>> has maximum priority equal to 8. Processor userBackgroundPriority
>>> prints 3 and Processor userInterruptPriority prints 5.
>>>
>>>
>>> pozdrawiam
>>> Maciej Troszyński
>>>
>>>
>>> 2013/9/10 Levente Uzonyi <leves at elte.hu>:
>>>> On Mon, 9 Sep 2013, mactro wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> I'm developing a mod for Scratch that will allow controlling an
>>>>> educational
>>>>> robot via Bluetooth. I'm using SerialPort2 class that is included in
>>>>> Scratch
>>>>> plugin and allows opening ports by name. Everything works fine BUT,
>>>>> when
>>>>> I
>>>>> send commands in a loop, and the connection is lost (i.e. the robot
>>>>> was
>>>>> powered off), the VM freezes. I tried forking the port nextPutAll like
>>>>> that:
>>>>>
>>>>> timer := Delay forMilliseconds: 1000.
>>>>> port := SerialPort2 new.
>>>>> port openPortNamed:'COM14' baud:57600.
>>>>> process := [port nextPutAll:'test'. Transcript show:'port'.] forkAt:
>>>>> 1.
>>>>> [timer wait. Transcript show:'delay'. process terminate.] forkAt: 7.
>>>>>
>>>>> but with no result. Is there any way to write to a serial port with
>>>>> timeout?
>>>>
>>>>
>>>> I can't help you with the SerialPort issue, but the process priorities
>>>> 1
>>>> and
>>>> 7 are definitely bad. Since the idle process uses priority 10, your
>>>> processes will never run. Try using something between 11 and 39, or use
>>>> the
>>>> named priorities:
>>>> Processor userBackgroundPriority
>>>> Processor systemBackgroundPriority
>>>>
>>>>
>>>> Levente
>>>>
>>>>
>>>>>
>>>>> mactro
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> View this message in context:
>>>>> http://forum.world.st/Serial-port-write-freezes-the-VM-tp4707333.html
>>>>> Sent from the Squeak - Beginners mailing list archive at Nabble.com.
>>>>> _______________________________________________
>>>>> Beginners mailing list
>>>>> Beginners at lists.squeakfoundation.org
>>>>> http://lists.squeakfoundation.org/mailman/listinfo/beginners
>>>>>
>>>> _______________________________________________
>>>> Beginners mailing list
>>>> Beginners at lists.squeakfoundation.org
>>>> http://lists.squeakfoundation.org/mailman/listinfo/beginners
>>>
>>>
>>> ------------------------------
>>>
>>> _______________________________________________
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>>>
>>> End of Beginners Digest, Vol 89, Issue 1
>>> ****************************************
>>>
>>
>>
>> ------------------------------
>>
>> Message: 2
>> Date: Fri, 13 Sep 2013 11:56:51 +0800
>> From: Ben Coman <btc at openInWorld.com>
>> Subject: [Newbies] deleting a file from Windows system directory
>> To: "A friendly place to get answers to even the most basic questions
>> about Squeak." <beginners at lists.squeakfoundation.org>
>> Message-ID: <52328D03.5010906 at openInWorld.com>
>> Content-Type: text/plain; charset=UTF-8; format=flowed
>>
>> Marcos Cevallos wrote:
>>> Hi
>>>
>>> I´m newbie in squeak
>>>
>>> I want to know how to delete a file in a windows system directory in
>>> pharo 1.3 seaside 3.0.7
>>>
>>> I really appreciate it
>>>
>>>
>>
>> hi Marcos,
>>
>> Welcome. I hope you are having fun with it. First, I've updated the
>> subject to be more specific. That makes it easier for us to track.
>> Hope that is okay.
>> A few queries then to narrow down the scope of your query..
>>
>> You say 'windows' but use all lower case.
>> Do you mean 'Windows' as in Microsoft Windows?
>> Also which version?
>>
>> By 'system directory', do you mean 'C:\Windows\System' or
>> 'C:\Windows\System32' or some other protected directory?
>>
>> You imply that you already know how to delete a file outside the system
>> directory. What is the code you used that was successful for that, which
>> fails with a system directory?
>>
>> What things have you tried already?
>> * Can you delete the required file outside of Seaside, just Pharo 1.3 ?
>> * Can you delete the required file outside of Pharo 1.3, from Windows
>> Explorer, and from the command-line ?
>>
>> btw, You may find the following of interest...
>> http://www.catb.org/esr/faqs/smart-questions.html
>>
>> I'm not an expert, but with answers to those questions I hope I'll be
>> able to help you.
>>
>> cheers -ben
>>
>>
>>
>> ------------------------------
>>
>> _______________________________________________
>> Beginners mailing list
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>> http://lists.squeakfoundation.org/mailman/listinfo/beginners
>>
>>
>> End of Beginners Digest, Vol 89, Issue 2
>> ****************************************
>>
>
>
> ------------------------------
>
> Message: 2
> Date: Fri, 13 Sep 2013 23:14:02 +0800
> From: Ben Coman <btc at openInWorld.com>
> Subject: properly setting the subject line - was: [Newbies] Re:
> Beginners Digest, Vol 89, Issue 2
> To: "A friendly place to get answers to even the most basic questions
> about Squeak." <beginners at lists.squeakfoundation.org>
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> End of Beginners Digest, Vol 89, Issue 3
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