User's Manual

Waveport CF user manuel Coronis Systems
5.4.5 Command format from the receiver side
• Reception of a broadcast request – 0x38 (RECEIVED_BROADCAST_FRAME)
RECEIVED_BROADCAST_FRAME
HEADER CMD DATA CRC ETX
3 bytes 1 byte 6 bytes variable 2 bytes 1 byte
0xFF ; 0x02 ;
0xXX
0x38
Radio address of the request
transmitter
n bytes of data
Maximum size is 152 bytes
0x03
• Transmission of the response to a broadcast request – 0x24
(REQ_SEND_BROADCAST_RESPONSE)
REQ_SEND_BROADCAST_RESPONSE
HEADER CMD DATA CRC ETX
3 bytes 1 byte 6 bytes variable 2 bytes 1 byte
0xFF ; 0x02 ;
0xXX
0x24
Radio address of the request
transmitter
n bytes of data to transmit
Maximum size is 152 bytes
0x03
This command can only be used after receiving a broadcast frame
(RECEIVED_BROADCAST_FRAME = 0x38). Thus, the destination
radio address of this message can only be that of the module that
transmitted the initial broadcast frame.
Using this command in any other conditions could render Waveport CF
unavailable for a few seconds.
• Status Message – 0x37 (END_MESSAGE_EXCHANGE)
END_MESSAGE_EXCHANGE
HEADER CMD DATA CRC ETX
3 bytes 1 byte 1 byte 2 bytes 1 byte
0xFF ; 0x02 ;
0xXX
0x37 0x00 0x03
Use of this command requires status messages to be activated in
EXCHANGE_STATUS (0x0E).
5.4.6 Using selective and non-selective broadcast modes
There is no specific procedure for initiating a broadcast request in selective or non-selective modes. You just
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