Understood. Thanks for the explanation.

On 1/28/2014 16:07, Paul Alfille wrote:
> The emulated serial requires changing baud rates for each 1-wire
> communication, and using a serial byte to send each 1-wire bit. Since
> most computer UARTs have a pretty small buffer, the CPU does a lot of
> work waiting for the serial data.
>
> A microprocessor is great for low-level bit-banging, but sending each
> serial command over the network will be slow. That's why I thought a
> more efficient serial protocol would be advantageous. You could design
> one, and we'll support it, but the chips (Link and HA7E) are about $21.
> Seems like your time is worth something, especially since the power and
> timing and pulse contouring and echo suppression will be better.
>
>
> On Tue, Jan 28, 2014 at 3:41 PM, Colin Reese <colin.re...@gmail.com
> <mailto:colin.re...@gmail.com>> wrote:
>
>     Sorry, reading your last sentence, you did address this. Why would
>     you not recommend trying this? Error-prone?
>
>
>     On Tue, Jan 28, 2014 at 12:12 PM, Paul Alfille
>     <paul.alfi...@gmail.com <mailto:paul.alfi...@gmail.com>> wrote:
>
>         I take it your microprocessor doesn't run linux. In that case,
>         you want it to look like a serial bus master.
>
>         There are 3 serial bus masters that I can remember off hand: the
>         DS9097U, the Link and the HA5. The later 2 use a much simplified
>         serial data stream (simple ascii), and I think are both
>         available in chip format for fairly cheap. The radio part would
>         be transparent.
>
>         http://www.ibuttonlink.com/products/linkoem
>         
> http://www.embeddeddatasystems.com/HA7S--ASCII-TTL-1-Wire-Host-Adapter-SIP_p_23.html
>
>         (I should add that the serial port can synthesize a bus master
>         -- the passive adapter) but I wouldn't recommend that remotely.
>         Code for DS9097U emulation is available -- Maxim never
>         considered restricting masters, only slaves).
>
>         Paul Alfille
>
>
>
>         On Mon, Jan 27, 2014 at 4:33 PM, Colin Reese
>         <colin.re...@gmail.com <mailto:colin.re...@gmail.com>> wrote:
>
>             It will look like:
>
>             1Wire network (DS18B20, DS2408, etc) -- uC (ATTiny, ATmega)
>             GPIO, OneWire, DallasTemperature, SoftwareSerial libraries
>             -- XBee/Zigbee send -- XBee/Zigbee receive -- RPi
>
>             At the moment the serial output from the uC is just code I
>             write that says 'hey, here the temperature is'. If I can
>             process it into a owserver friendly format at either end,
>             that would be great. Otherwise, I'll just have to process it
>             into a database using pyserial. Not a big deal, but not as
>             elegant as owfs and owserver.
>
>             I'd happily put a DS2483 at the 1wire end if I thought it
>             would get me anywhere, but I can't see that it will.
>
>
>             On Mon, Jan 27, 2014 at 1:20 PM, Roberto Spadim
>             <robe...@spadim.com.br <mailto:robe...@spadim.com.br>> wrote:
>
>                 ? i don't understand....
>                 check:
>
>
>                 ethernet (wifi ethernet, ethernet)
>                 wireless (wifi ethernet, bluetooth, zb)
>                 serial (rs232,rs485,rs422)
>                 ow - serial-ow converters (ds2480b), microcontroler bus
>                 (on/off gpio),
>                 i2c-ow converters (ds2482)
>
>                 what part you need?
>
>                 
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