I am trying to send a packet from a PC to a micaZ mote through serial cable. The packet looks like:
7e 42 ff ff 0 81 10 f f f f f f a1 21 7e
header data crc
(I put two random bytes in the crc field, but I think that's not a big problem since it doesn't filt out CRC-error packet.)
At the mote, I read the received data in event TOS_MsgPrt UARTReveive.receive(TOS_MsgPrt Msg) {}. The header is correct, but Msg->data[0] is always the last CRC byte, here 0x21, and I didn't see the data section (0xf) in Msg.
Did I make a right packet? How could I send data to base mote throught UART correctly?
Thanks!
Best,
Lei Tang
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