Murata DNT24 Series, Руководство по интеграции

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Announce/Error message format details are shown in Tables 7.3.18 through 7.3.21:
Startup Announcement or Error Code
Byte Offset Field Description
0x00 Start-of-Packet 0xFB = Indicates start of protocol formatted message
0x01 Length 0x02 = Number of bytes in message following this byte
0x02 Packet Type 0x27 = Indicates this is an Announce/Error message
0x03 Announce Status
0xA0 = Startup initialization complete
0xA1 = Synchronized to fast beacon
0xE1 = Invalid argument
0xE4 = Register read only error
0xEC = Brownout reset
0xED = Watchdog reset
0xEE = Hardware Error (Crystal or Radio Error)
Table 7.3.18
Join Announcement
Byte Offset Field Description
0x00 Start-of-Packet 0xFB = Indicates start of protocol formatted message
0x01 Length 0x06 = Number of bytes in message following this byte
0x02 Packet Type 0x27 = Indicates this is an Announce/Error message
0x03 Announce Status 0xA3 = Joined network
0x04 Network ID ID of network that was joined
0x05 - 0x07 Parent MAC Address MAC address of parent, in Little Endian byte order
Table 7.3.19
Exit Announcement
Byte Offset Field Description
0x00 Start-of-Packet 0xFB = Indicates start of protocol formatted message
0x01 Length 0x03 = Number of bytes in message following this byte
0x02 Packet Type 0x27 = Indicates this is an Announce/Error message
0x03 Announce Status 0xA4 = Exited network
0x04 Network ID ID of network that was exited
Table 7.3.20
Heartbeat Announcement
Byte Offset Field Description
0x00 Start-of-Packet 0xFB = Indicates start of protocol formatted message
0x01 Length 0x0C = number of bytes in message following this byte
0x02 Packet Type 0x27 = Indicates this is an Announce/Error message
0x03 Announce Status 0xA8 = Heartbeat message
0x04 - 0x06 Device MAC Address MAC address of originator, in Little Endian byte order
0x07 - 0x09 Parent MAC Address MAC address of parent, in Little Endian byte order
0x0A Parent Network ID Network ID of device’s parent
0x0B Base Mode Network ID Network ID if device is a router, otherwise 0xFF
0x0C Beacon RX Power
Average beacon RX power in dBm, uses 0.0625 “alpha” averaging filter,
-128 to 126 or 127 if invalid
0x0D Parent RX Power
RX power of packet as received by device’s parent in dBm, -128 to 126 or
127 if invalid
Table 7.3.21
©2009-2014 by Murata Electronics N.A., Inc.
DNT24 Integration Guide R2.0 - 10/27/14
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