3. Data Types
3.1 IPSO Standard Definition
Data Types conform to the IPSO Alliance Smart Objects Guidelines, which identifies each data
type with an "Object ID". However, as shown below, a conversion is made to fit the Object ID into
a single byte.
DATA_TYPE = IPSO_OBJECT_ID - 3200
Example:
Frame N
Frame N+1
3.2 Ursalink Custom Format
Type
IPSO
Hex
Data Size
Data Resolution per Bit
Water Level Sensor
3319
77
2
1
Battery
3317
75
1%
1%
01 75 5a
Channel
Type
Value
01
75 means battery level
5a = 90 means 90%
03 77 6b 00
Channel
Type
Value
03
77 means water level
6b 00 => 00 6b = 107 means 107 cm
Type
Type ID
Data Size
Data Resolution (per bit)
Ursalink Custom Format
Version
1
1
0x01
Data Collection Interval
2
2
1s
Data Reporting Interval
3
2
1s
LoRa Channel Mask
5
3
ID (1B) + Value (2B)
ID: 1~6
Debug Level
7
1
Bit0: info
Bit1: debug
Bit2: warn Bit3: err
Hardware Version
9
2
0110 => 0x01 0x10
Summary of Contents for EM500-SWL
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