You may want to look at the SF interface in $TOSROOT/support/sdk/c/sf
(I'm not saying use it, although I find it handy, but it should offer
some insight on packet encoding, etc.)
On Tue, May 20, 2008 at 5:23 AM, Vincas Benevičius
<[EMAIL PROTECTED]> wrote:
> I went through the mailing list, read TinyOS2 documentation, but couldn't
> get to the point, where everything works fine… I'm new to motes, so any help
> would be very much appreciated. I need to send a message from PC to mote,
> but just can't get it right. I'm using TmoteSky platform. Mote is plugged to
> USB port and recognized as serial port COM15 (I'm using FTDI USB to serial
> drivers). On the PC, there is software written using C#. Everything works
> fine, when I want to read information the mote is sending to serial port,
> but I can't write to it. Can anyone tell me exact packet format which is
> needed to be sent to be recognized and accepted by mote? I tried various
> formats according to google'd information, but neither of them worked.
>
> On the mote side there's:
>
> uses interface Receive as SPReceive;
> ...
> event *message_t SPReceive.receive(message_t* msg, void* payload, uint8_t
> length) {
> Blink(0,100); //blinks red for 100ms
> return(msg);
> }
>
> SPReceive is linked like this:
>
> #define AM_SERIAL_MSG 103
> ...
> components SerialActiveMessageC as SP;
> ...
> AppC.SPReceive -> SP.Receive[AM_SERIAL_MSG];
>
> On the PC side in Visual Studio:
>
> SerialPort SP;
> byte[] packet = { };
> ...
> SP.PortName("COM15");
> SP.Open();
> SP.Write(packet, 0, packet.Length);
> ...
>
>
> No matter what packets i send, i can't get the mote to blink...
> Can anyone tell exact format of the packed whick is to be sent?
> Something like this:
>
> Frame byte (0x7e)
> ...
> Payload
> CRC 2 bytes
> Frame byte(0x7e)
>
> Thank You in advance.
>
> Su pagarba, Vincas Benevičius
> UAB "Baltec-CNC Technologies"
> Raudondvario pl. 148, Kaunas LT 47157
> Tel.: +370 684 02159
> E-paštas: [EMAIL PROTECTED]
> http://www.baltec-cnc.com
>
>
>
>
> _______________________________________________
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