[Tinyos-help] Writing to UART/Serial from .NET

[Phani Kumar Arava]

Be careful that the addr is the node id or something else.

When reading from the UART it will be generall 76 (which is the UART
address), but when writing the data, the genericcomm (AMStandard will not
take the TOS_UART_ADDR .

On 11/30/06, Brian Parfitt <bcparfitt at gmail.com> wrote:
>
> I'm having some trouble getting an application I am writing to speak with
> a mica2 mote over the UART interface. I am using MS .NET and can read data
> packets from the mote just fine... When I send a packet to the mote, I am
> not able to get the mote to respond.
>
> I have confirmed that the application running on the mote is working by
> sending messages with the SerialForwarder... Very simply, I turn on an LED
> when a UART message is received on the mote.
>
> Using some c# code as below, I'm not able to get the same response... Any
> thoughts or ideas? I have torn apart the SerialForwarder app looking for
> some special flow or control data I may have mised, but when it gets down to
> the byte level I am sending the same packet as SF...
>
>
> com =
> new SerialPort();
> com.ReadTimeout = 3000;
> com.WriteTimeout = 3000;
> com.BaudRate = 57600;
> com.DataBits = 8;
> com.StopBits = System.IO.Ports.StopBits.One;
> com.Parity = Parity .None;
>
> //load the iPacket objec with some message data...
> //details omitted...
>
> //Now write the data to the com port.
> com.Write(iPacket.RawPacketData,0,iPacket.RawPacketData.Length);
> //Note, I have checked to make sure that iPacket has an appropriate length
> and data paylod.. i.e. I have not done something *really really *dumb like
> send an empty object.
>
> I'm using the same SerialPort object to read from so I suspect that my
> properties on the port are correct as I am able to do some things with the
> connection... Any hep or tips from people who have hadd success doing tis
> would be great!
>
> Thanks and regards,
> Brian
>
> _______________________________________________
> Tinyos-help mailing list
> Tinyos-help at Millennium.Berkeley.EDU
> https://mail.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
>
>


-- 
Phani Kumar Arava
Grad Student                                             1560 Worthington
Street
Department Of Computer Science                Columbus Ohio 43201
2015 Neil Avenue
Ohio State University
Columbus Ohio-43210

Contact: (614)-286-2618
URL : www.cse.ohio-state.edu/~arava/
mailto: arava.3 at osu.edu,phani.arava at gmail.com, arava_phani at yahoo.com
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://mail.millennium.berkeley.edu/pipermail/tinyos-help/attachments/20061130/dd693dc3/attachment.htm