Hello all，
I am puzzled about the data link layer in tinyos-2.x。 The active message layer
belongs to Data-link layer？
The frame format is message_t ？ If so，can I change the header？ e.g
cc1000_header_t ,I add nx_uint8_t seqno in it.Is it possible?
second question:
What protocol does the data link layer use(for stream control only)？The
stop-and-wait ？ Then where can I find the detail code？
The serial communication use data packet format as following：your packet is
frame ?why don't use other frame format，just according to the Pc network ？
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F P S D Payload CR F
Thank you very much for your kind help!
Sincerely yours
Kaiqiang W
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