=) HEHEHE no problem about file names :)
well, it´s easy to change tcp to udp? maybe a parameter at -d ip:port
maybe -d ip:port:udp
2011/11/29 Paul Alfille <[email protected]>
> Telnet support:
>
> module/owlib/src/c/
>
> ow_set_telnet.c Set the parameters
> ow_read_telnet.c Interpret telnet input
> ow_telnet_write.c Write (just escapes IAC=0xFF)
>
> I know, the file naming isn't consistent.
>
> Paul Alfille
>
>
> On Tue, Nov 29, 2011 at 2:27 PM, Roberto Spadim <[email protected]>wrote:
>
>> where is the rfc2217 implention in owlib?
>> i want know what commands owserver send to ser2net and start the udp
>> protocol in microcontroller
>>
>>
>> 2011/11/29 Roberto Spadim <[email protected]>
>>
>>> i will try to develop the rfc2217 in udp
>>> all data send via udp is sent to serial, but character 0xff allow change
>>> of baud rate and others thinks like rfc2217 tells
>>> this could work?
>>>
>>>
>>> 2011/11/29 Roberto Spadim <[email protected]>
>>>
>>>> uhmmmm nice...
>>>> well we could develop the protocol without changing baud rate?
>>>> the reset is need for what? power up? search bus?
>>>> could we change tcp to udp? it´s easier to implement in microcontroller
>>>>
>>>>
>>>> 2011/11/29 Ziggy <[email protected]>
>>>>
>>>>> You really need to read the datasheet to understand the issues. But the
>>>>> biggest issue is that of resetting the DS2480 itself, not in the 1-wire
>>>>> commands/data.
>>>>>
>>>>> You have basically two methods of resetting the chip:
>>>>> - power cycle the chip
>>>>> - reset it via software
>>>>>
>>>>> Hardware
>>>>> If the 2480 is power stealing from the serial port, you can close the
>>>>> port and reopen it, causing the control leads to toggle. This does a
>>>>> power cycle of the chip. Otherwise you need to somehow remove power
>>>>> from
>>>>> the chip and reapply it.
>>>>>
>>>>> Software
>>>>> The DS2480B will perform a master reset equivalent to the power-on
>>>>> reset
>>>>> if it detects start polarity in place of the stop bit. As described in
>>>>> the datasheet, you have a couple of methods of doing this:
>>>>>
>>>>> - send BREAK sequence
>>>>> - send character with SPACE parity
>>>>>
>>>>> A BREAK sequence is usually defined as 350ms or more of a continuous
>>>>> SPACE condition. Setting the port speed to 4800 and sending a NULL will
>>>>> cause SPACE condition for enough 9600 bps bit times that the 2480
>>>>> resets. It's sort of a simulated BREAK. This is why some 1W drivers
>>>>> want
>>>>> to change the port speed.
>>>>>
>>>>> With no TCP you have no telnet, and without telnet protocol you have no
>>>>> IAC BRK, which is used by terminal/port servers to generate a BREAK
>>>>> signal on the serial port. You also have no RFC2217 so no way to change
>>>>> the port speed and use the 4800 bps NULL character method. It's only
>>>>> the
>>>>> sending a character with SPACE parity that may work over UDP.
>>>>>
>>>>> The final thing to remember is that the DS2480B powers up in 9600 bps
>>>>> mode. So the serial port on your UDP/serial converter must be set to
>>>>> 9600 bps. This is going to limit throughput but again, without
>>>>> TCP/telnet/RFC2217 you can't change the port speed in-band via
>>>>> software.
>>>>>
>>>>> I guess the summary is that DS2480B on a UDP/serial converter should
>>>>> work if the DS2480B device reset is accomplished by sending the
>>>>> character with SPACE parity. Havent tried it myself though.
>>>>>
>>>>> Ziggy
>>>>>
>>>>>
>>>>> On 11/29/2011 12:13 PM, Roberto Spadim wrote:
>>>>> > hi guys, someone could explain how ds2480b works?
>>>>> > for example, what it must do with serial port (change baud rates,
>>>>> > set/read DTS RTS etc.., send / receive)
>>>>> > most important commands
>>>>> >
>>>>> > not all datasheet just some important points
>>>>> >
>>>>> > --
>>>>> > Roberto Spadim
>>>>> > Spadim Technology / SPAEmpresarial
>>>>>
>>>>>
>>>>> ------------------------------------------------------------------------------
>>>>> All the data continuously generated in your IT infrastructure
>>>>> contains a definitive record of customers, application performance,
>>>>> security threats, fraudulent activity, and more. Splunk takes this
>>>>> data and makes sense of it. IT sense. And common sense.
>>>>> http://p.sf.net/sfu/splunk-novd2d
>>>>> _______________________________________________
>>>>> Owfs-developers mailing list
>>>>> [email protected]
>>>>> https://lists.sourceforge.net/lists/listinfo/owfs-developers
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Roberto Spadim
>>>> Spadim Technology / SPAEmpresarial
>>>>
>>>
>>>
>>>
>>> --
>>> Roberto Spadim
>>> Spadim Technology / SPAEmpresarial
>>>
>>
>>
>>
>> --
>> Roberto Spadim
>> Spadim Technology / SPAEmpresarial
>>
>>
>> ------------------------------------------------------------------------------
>> All the data continuously generated in your IT infrastructure
>> contains a definitive record of customers, application performance,
>> security threats, fraudulent activity, and more. Splunk takes this
>> data and makes sense of it. IT sense. And common sense.
>> http://p.sf.net/sfu/splunk-novd2d
>> _______________________________________________
>> Owfs-developers mailing list
>> [email protected]
>> https://lists.sourceforge.net/lists/listinfo/owfs-developers
>>
>>
>
>
> ------------------------------------------------------------------------------
> All the data continuously generated in your IT infrastructure
> contains a definitive record of customers, application performance,
> security threats, fraudulent activity, and more. Splunk takes this
> data and makes sense of it. IT sense. And common sense.
> http://p.sf.net/sfu/splunk-novd2d
> _______________________________________________
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> https://lists.sourceforge.net/lists/listinfo/owfs-developers
>
>
--
Roberto Spadim
Spadim Technology / SPAEmpresarial
------------------------------------------------------------------------------
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contains a definitive record of customers, application performance,
security threats, fraudulent activity, and more. Splunk takes this
data and makes sense of it. IT sense. And common sense.
http://p.sf.net/sfu/splunk-novd2d
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