Semtech LR1121 - Setlorasyncword; Getlorarxheaderinfos; Table 7-16: Setlorasyncword Command; Table 7-17: Getlorarxheaderinfos Command

LR1121
User Manual Rev 1.1
UM.LR1121.W.APP Mar 2023
58 of 130
Semtech
Proprietary & Confidential
www.semtech.com
7.2.13 SetLoRaSyncWord
This command sets the SetLoRaSyncWord.
• Syncword: Sets the SetLoRaSyncWord. Valid for all SFs. Example values are:
 0x12: Private Network (default).
 0x34: Public Network.
7.2.14 GetLoRaRxHeaderInfos
Command GetLoRaRxHeaderInfos(...) returns the information coded in the last received packet header (explicit
header mode), or the configured coding_rate and crc_type settings:
• Infos:
 bits 7-5: 0 RFU
 bits 4: 1= CRC ON, 0 = CRC OFF
 bit 3: 0 RFU
 bits 2-0: coding rate (see 8.3.1 SetModulationParams command for values)
Table 7-16: SetLoRaSyncWord Command
Byte 0 1 2
Data from Host 0x02 0x2B Syncword
Data to Host Stat1 Stat2 IrqStatus (31:24)
Table 7-17: GetLoRaRxHeaderInfos Command
Byte 0 1
Data from Host 0x02 0x30
Data to Host Stat1 Stat2
Table 7-18: GetLoRaRxHeaderInfos Response
Byte 0 1
Data from Host 0x00 0x00
Data to Host Stat1 Infos