Hi,
I just want to make packets in C# and send to a TelosB mote. As simple as that
but I couldn' make this packet yet. Can you please check what I am doing wrong?
Here is the struct that I have defined and programmed into TelosB mote:
typedef nx_struct pc_serial_msg
{
nx_uint8_t sequenceNumber;
nx_uint16_t controlCommand;
} pc_serial_msg;
And here is the code that responsible to make the packet:
private Byte[] MakePacket(byte command)
{
//Increment the sequence
_sequenceNumber++;
var pkt = new byte[10];
//START FLAG
pkt[0] = 0x7E;
//HEADER
pkt[1] = 0xf; //Destination
pkt[2] = 0xf; //Source
pkt[3] = 0xf; //Length ???
pkt[4] = 0x1; //Group
pkt[5] = 0x1; //Type
//PAYLOAD
pkt[6] = _sequenceNumber;
pkt[7] = command;
//Generating CRC
pkt[8] = 0x1;
//END
pkt[9] = 0x7E; //END
return pkt;
}
Can you tell me what I have to put in Destination, Source, Group and Type
bytes? What is Length? is it the length of the packet that is going to be
transmitet and equals number of bytes in the packet? Am I atleast in the right
track or this is totaly wrong?
Thanks,
Sean.
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