Data Sheet

Page 105
RFM95/96/97/98(W)
Tel: + 86-755-82973805 Fax: + 86- 755-82973550 E-mail: [e-mail] http:/ / www.hoperf.com
WIRELESS & SENSING PRELIMINARY DATASHEET
Name
(Address)
Bits
Variable Name
Mode Reset
LoRa
TM
Description
7 RxTimeout rc 0x00
Timeout interrupt: a write operation clears IRQ
6 RxDone rc 0x00
Packet reception complete interrupt: a write operation clears IRQ
5 PayloadCrcError rc 0x00
Payload CRC error interrupt: a write operation clears IRQ
4 ValidHeader rc 0x00
Valid header received in Rx: a write operation clears IRQ
3 TxDone rc 0x00
FIFO Payload transmission complete interrupt: a write operation
clears IRQ
2 CadDone rc 0x00
CAD complete: write to clear: a write operation clears IRQ
1 FhssChangeChannel rc 0x00
FHSS change channel interrupt: a write operation clears IRQ
RegIrqFlags
(0x12)
0 CadDetected rc 0x00
Valid Lora signal detected during CAD operation: a write
operation clears IRQ
RegRxNbBytes
(0x13)
7-0 FifoRxBytesNb r n/a Number of payload bytes of latest packet received
RegRxHeaderCnt
ValueMsb
(0x14)
7-0
ValidHeaderCntMsb(15:
8)
r n/a
Number of valid headers received since last transition into Rx
mode, MSB(15:8). Header and packet counters are reseted in
Sleep mode.
RegRxHeaderCnt
ValueLsb
(0x15)
7-0 ValidHeaderCntLsb(7:0) r n/a
Number of valid headers received since last transition into Rx
mode, LSB(7:0). Header and packet counters are reseted in
Sleep mode.
RegRxPacketCntV
alueMsb
(0x16)
7-0
ValidPacketCntMsb(15:
8)
rc n/a
Number of valid packets received since last transition into Rx
mode, MSB(15:8). Header and packet counters are reseted in
Sleep mode.
RegRxPacketCntV
alueLsb
(0x17)
7-0 ValidPacketCntLsb(7:0) r n/a
Number of valid packets received since last transition into Rx
mode, LSB(7:0). Header and packet counters are reseted in
Sleep mode.
7-5 RxCodingRate r n/a Coding rate of last header received
4 r ‘1’ Modem clear
3 r ‘0’ Header info valid
2 r ‘0’ RX on-going
1 r ‘0’ Signal synchronized
RegModemStat
(0x18)
0
ModemStatus
r ‘0’ Signal detected
RegPktSnrValue
(0x19)
7-0
PacketSnr
r n/a
Estimation of SNR on last packet received.In two’s compliment
format mutiplied by 4.
SNR [ dB ] =
P
-----
a
---
c
---
k
---
e
---
t
--
S
---
n
----
r
--
[
---
t
--
w
----
o
----
s
---
c
---
o
---
m
- - ---
p
---
l
-
i
--
m
-----
e
--
n
---
t
---
]
4