ZN-241G Technical Reference
2000- 2006 Cirronet
Inc
6
M-2400-0006 Rev A
Arguments:
Reg
Register location (see table) (2 bytes)
Val
Value to read/write to/from register
(see table for size and acceptable range)
Data
User data (variable size, 0..100 bytes permitted)
Addr
Network address of sender or recipient (1 byte)
TxStatus
Result of last
TXData
operation (1 byte)
0 = Acknowledgement received
1 = No acknowledgement received
2 = (Remote) Not linked
LQI
Link quality index,
0x01
to
0x7F
. Values of
0x00
and
0xFF
have
special meanings (1 byte)
00
= No LQI measured because no ACK was received
FF
= No LQI measured because packet was relayed
PanID
802.15.4 PAN identifier of network joined (2 bytes)
SerNum
Serial number of radio joining (also used as 802.15.4 MAC address) (8
bytes)
AnnStatus
Status announcement (1 byte)
Additional fields are also reported depending on the status code:
Status Code
A0
= Radio has completed startup initialization
A1
= Base: PAN has been formed, ready for data
A2
= Base: A remote has joined our PAN
A3
= Remote: Joined a PAN, ready for data
A4
= Remote: Exited PAN (base is out of range)
A5
= Remote: Base has restarted
Add’l fields
none
PanID
SerNum,Addr
PanID,Addr
none
none
Status codes for error conditions
E0
= Protocol error – invalid packet type
E1
= Protocol error – invalid argument
E2
= Protocol error – parser error
E3
= Protocol error – parser timeout
E4
= Protocol error – register is read-only
E8
= UART receive buffer overflow
Add’l fields
none
none
none
none
none
none
