Setpackettype; Getpackettype; Table 8-1: Setpackettype Command; Table 8-2: Getpackettype Command - Semtech LR1121 User Manual

8.1.1 SetPacketType

The SetPacketType(...) command defines which modem is to be used.

Table 8-1: SetPacketType Command

Byte
Data from Host
Data to Host
•
PacketType defines the modem to be used for the next RF transactions:
0x00: None (default)

0x01: (G)FSK

0x02: LoRa

0x04: GMSK (LR-FHSS)

Other values are RFU

This command is the first one to be called before going to RX or TX and before defining modulation and packet parameters.
This command only works with the device in Standby RC, Standby Xosc or Fs mode, otherwise it returns CMD_FAIL in the
status of the next command.

8.1.2 GetPacketType

Command GetPacketType(...) returns the current protocol of the radio.

Table 8-2: GetPacketType Command

Byte
Data from Host
Data to Host

Table 8-3: GetPacketType Response

Byte
Data from Host
Data to Host
• PacketType corresponds to the modem used for the following RF transactions:
0: None

1: (G)FSK

2: LoRa

4: LR-FHSS

Other values are RFU

LR1121
User Manual Rev 1.1
UM.LR1121.W.APP Mar 2023
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