Wavecard-Waveport User Manual
Coronis Systems
3.3.1 Selecting RF communication mode
The following physical layer modes are available:
•
868 MHz single channel, 4800 baud
•
868 MHz single channel, 4800 baud alarm band
•
868 MHz single channel, 9600 baud with channel selection
•
868 MHz frequency hopping, 9600 baud
•
868 MHz frequency hopping, 19200 baud
•
869 MHz, 500mW band (Note: this mode is supported on the Wavecard 25mW radio board, but
transmission power is limited).
You may modify the physical layer mode with read and write requests. The commands for this are:
CMD
NAME
DESCRIPTION
0x64
REQ_SELECT_PHYCONFIG
Request to select RF communication mode
0x65
RES_SELECT_PHYCONFIG
Response to communication mode selection request
0x66
REQ_READ_PHYCONFIG
Request to read RF communication mode
0x67
RES_READ_PHYCONFIG
Response to communication mode read request
In command byte coding, response frames reuse the request command with
the LSB bit set to 1.
Format of physical layer mode read commands
•
Request (host to Wavecard)
REQ_READ_PHYCONFIG
HEADER
CMD
CRC
ETX
3 bytes
1 byte
2 bytes
1 byte
0xFF ; 0x02 ; 0x04
0x66
0x03
•
Response (Wavecard to host)
RES_READ_PHYCONFIG
HEADER
CMD
DATA
CRC
ETX
3 bytes
1 byte
variable
2 bytes
1 byte
0xFF ; 0x02 ; 0xXX
0x67
Status = 0x00
Read OK
Transmission mode
2 bytes
Status = 0x01
Read error
-
0x03
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