Setgfsksyncword; Setpacketadrs; Setgfskcrcparams; Table 8-26: Setgfsksyncword Command - Semtech LR1110 User Manual

8.5.3 SetGfskSyncWord

The command SetGfskSyncWord( ) allows to configure the Syncword of the (G)FSK packet.

Table 8-26: SetGfskSyncWord Command

Byte 0 1
Data
0x02 0x06 Syncword
from
Host
Data
Stat1 Stat2 IrqStatus
to
Host
By default, the Syncword is set to 0x9723522556536564.

8.5.4 SetPacketAdrs

The command SetPacketAdrs( ) allows to set the Node address and Broadcast address used for (G)FSK packet
reception/transmission when filtering is enabled (AddrComp 0x01, or 0x02).

Table 8-27: SetPacketAdrs Command

Byte
Data from Host
Data to Host
If the address comparison fails then the packet reception is aborted and the addrsErr flag is set.

8.5.5 SetGfskCrcParams

The command SetGfskCrcParams( ) allows configuring the CRC polynomial and initial value.

Table 8-28: SetGfskCrcParams Command

Byte 0
Data
0x02 0x24
from
Host
Stat1 Stat2
Data to
Host
• InitValue: initial value of the configured CRC polynomial
• Poly: CRC polynomial
LR1110
User Manual Rev.1.0
UM.LR1110.W.APP March 2020
2 3
Syncword Syncword
(63:56) (55:48) (47:40)
IrqStatus IrqStatus
(31:24) (23:16) (15:8)
0
0x02
Stat1
1 2 3
InitValue InitValue
(31:24) (23:16)
IrqStatus IrqStatus
(31:24) (23:16)
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4 5 6
Syncword Syncword
(39:32) (31:24)
IrqStatus 0x00
(7:0)
1
0x12
Stat2 IrqStatus (31:24)
4 5
InitValue InitValue
(15:8) (7:0)
IrqStatus IrqStatus
(15:8) (7:0)
7 8
Syncword Syncword
(23:16) (15:8)
0x00 0x00
2
NodeAddr BroadcastAddr
IrqStatus (23:16)
6 7 8
Poly Poly Poly
(31:24) (23:16) (15:8)
0x00 0x00 0x00
9
Syncword
(7:0)
0x00
3
9
Poly
(7:0)
0x00
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