– –
– –
74
75
MYDSN - Local Device Serial Number
Non-Volatile Address = 0x34-0x37
These registers contain the factory-programmed read-only Device Serial
Number. This address is unique for each module and is included in all
packet types as a unique origination address.
Figure 76 shows the Device Serial Number registers.
CUSTID - Customer ID
Non-Volatile Address = 0x39-0x3A
These registers contain the factory-programmed customer ID. A unique
value is assigned to a specific customer and that value is programmed
into that customer’s modules. The unencrypted User and Extended User
Addressing modes use these bytes as part of the addressing. The unique
value ensures that the custom modules will not communicate with any
other systems. Contact Linx for details. Figure 77 shows the Customer ID
registers.
CRSSI - Carrier Sense Minimum RSSI
Non-Volatile Address = 0x3F
This value is the minimum RSSI that causes the module to wait for a
clear channel when CSMA is enabled. Figure 78 shows examples of the
commands.
The value is a negative number in two’s complement from -128 (0x80) to -1
(0xff). The default value is -70dBm.
HumPRO-A
TM
Series DSN Registers
Name
Non-Volatile
Address
Description
MYDSN3
0x34
MSB of the serial number
MYDSN2
0x35
Byte 2 of the serial number
MYDSN1
0x36
Byte 1 of the serial number
MYDSN0
0x37
LSB of the serial number
Figure 76: HumPRO-A
TM
Series DSN Registers
HumPRO-A
TM
Series Customer ID Registers
Name
Non-Volatile
Address
Description
CUSTID1
0x39
MSB of the customer ID
CUSTID0
0x3A
LSB of the customer ID
Figure 77: HumPRO-A
TM
Series Transceiver Customer ID Registers
HumPRO-A
TM
Series Carrier Sense Minimum RSSI
Read Command
Read Response
Header
Size
Escape
Address
ACK
Address
Value
0xFF
0x02
0xFE
0x3F
0x06
0x3F
V
Write Command
Header
Size
Address
Value
0xFF
0x02
0x3F
V
Figure 78: HumPRO-A
TM
Series Transceiver Carrier Sense Minimum RSSI Command and Response
Warning:
The CRSSI value can have a significant impact on the
performance of the module. Setting it too low could prevent the module
from ever transmitting. Setting it too high can result in transmission
collisions. Care must be taken if this value is adjusted.
!
Содержание EVM-900-PRO
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