Getpacketstatus; Table 8-20: Getpacketstatus Command; Table 8-21: Getpacketstatus Response - Semtech LR1121 User Manual

8.5.7 GetPacketStatus

Command GetPacketStatus(...) gets the status of the last received packet. Since the returned values are modem
dependent, the description hereafter is valid only for the (G)FSK modem.

Table 8-20: GetPacketStatus Command

Byte
Data from Host
Data to Host

Table 8-21: GetPacketStatus Response

Byte
Data from Host
Data to Host
•
RxStatus bits are as follows:
Bits 31:24: RssiSync, RSSI values latched upon the detection of sync address. Negated, dBm, ufix(8,1).

Bits 23:16 RssiAvg, RSSI average over the payload of the received packet. Latched upon the packet_done IRQ.

Negated, dBm, ufix(8,1).
Bits 15:8 RxLen, Length of the received packet

Bit 7: RFU

Bit 6: RFU

Bit 5: Adrserr, Address filtering status of current packet. Asserted when the received packet address byte doesn't

match the configured node_adrs(7:0) or broadcast(7:0) address according to the adrs_comp(1:0) configuration.
Bit 4: Crcerr, CRC check status of the current packet. Only applicable in Rx when the CRC check is not disabled. The

packet is available in FIFO.
Bit 3: Lenerr, Length filtering status of the current packet. Asserted when the length of the received packet is greater

than the Max length defined in the payload_len(7:0) field. Only applicable in Rx for variable length packets.
Bit 2: Aborterr, Abort status of the current packet. Asserted when the current packet is aborted with the pkt_abort_p

register field. Applicable in both Rx and Tx.
Bit 1: PktRcvd, Packet reception status. Indicates that the packet reception is done. Only show the completion of the

receive process and not the packet validity. Only applicable in Rx.
Bit 0: PktSent, Packet transmission status. Indicates that the packet transmission is done. Only applicable in Tx.

LR1121
User Manual Rev 1.1
UM.LR1121.W.APP Mar 2023
0
0x02
Stat1
0 1
0x00 0x00
RxStatus
Stat1
(31:24)
www.semtech.com
1
0x04
Stat2
2 3
0x00 0x00
RxStatus RxStatus
(23:16) (15:8)
4
0x00
RxStatus
(7:0)
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