LR1110
User Manual Rev.1.0
UM.LR1110.W.APP March 2020
65 of 130
Semtech
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• AddrComp allows conditioning the packet reception to a predefined peer device address. Node address and broadcast
address can be set with the SetPacketAdrs( )command. If the address comparison fails then the packet reception is
aborted and the adrsErr flag is set.
• PacketType defines the length of the incoming packet.
• PayloadLen defines the length of the payload in Bytes,
• CrcType defines the packet CRC:
The CRC can be fully configured and the polynomial used, as well as the initial values can be entered directly through the
command SetGfskCrcParams( ) .
• Whitening allows to enable the whitening on the RF packet
Table 8-22: AddrComp
AddrComp Description
0x00 Address Filtering Disable
0x01 Address Filtering activated on Node address
0x02 Address Filtering activated on Node and broadcast addresses
Table 8-23: PacketType
PacketType Description
0x00 The packet length is known on both sides, the size of the payload is not added to the packet
0x01 The packet is of variable size, the first byte of the payload will be the size of the packet
Table 8-24: CrcType
CrcType Description
0x01 CRC_OFF (No CRC)
0x00 CRC_1_BYTE (CRC computed on 1 byte)
0x02 CRC_2_BYTE(CRC computed on 2 byte)
0x04 CRC_1_BYTE_INV(CRC computed on 1 byte and inverted)
0x06 CRC_2_BYTE_INV(CRC computed on 2 byte and inverted)
Table 8-25: Whitening
Whitening Description
0x00 No encoding
0x01 Whitening enable
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