2JCIE-BL01 Environment Sensor User’s Manual (A278)
11
2.1.3
Request page
(Characteristics UUID: 0x3003)
Specify the page number to retrieve the measured data from the flash memory.
The result of retrieving from the memory for the page specified in this Characteristic will be set in
2.1.4 Response flag and the past measured data will be set in 2.1.5 Response data.
* Note: Memory recording of measured data is not started unless 2.3.1 Time information is set.
Table 10. Request page format
Byte
Field
Format
Contents
0
Requesting Page No.
L
UInt16
Range
：
0
～
2047
1
H
2
Requesting Row No.
UInt8
Range
：
0
～
12
2.1.4
Response flag
(Characteristics UUID: 0x3004)
When requesting page and row number is set in 2.1.3 Request page, 2.1.5 Response Data will be
updated with retrieved measured data. Whether the update is successfully completed or not can be
known by the Update flag of this Characteristic.
In addition, updating of this Characteristic is done in the page basis, confirmation in the row basis is
unnecessary.
* Note: Memory recording of measured data is not started unless 2.3.1 Time information is set
．
Table 11. Response flag format
Byte
Field
Format
Contents
0
Update flag
UInt8
0x00: Retrieving
0x01: Completed
0x02: Failed to retrieve data
1
UNIX TIME
0
UInt32
Created time of this page.
Unit
：
1 sec
Range
：
1970/1/1 0:00:01
～
2106/2/7 6:28:15
2
1
3
2
4
3
