![background image](http://html1.mh-extra.com/html/omega/uwbt-series/uwbt-series_user-manual_4162735152.webp)
11.1.4. Logged Data Recovery Communication Frames
Two command frames are defined for recovering data from EEPROM. They are
Download Record Blocks (504) and Download Records (505).
11.1.4.1. Download Record
The UWBT Device supports internal logging up to 125 Kbytes. The PC
application can download internally logged data from the UWBT Device using
this frame.
Download Records string format (from Smartphone)
%0 0 505 <Block_Number><CR>
UWBT device response to Download Records
• In this frame, the length represents page. Length field 0x01 indicates 1 page
data, i.e. 256 bytes.
Note:
For Download Record & Download Record Blocks (5 Blocks or 3 Blocks)
the below condition & response are common.
• The UWBT will respond only once for Smartphone command request. Any
request from the host device, will be acknowledged and responded
• Based on time stamp, Number Of Records, Block Stamp and Record Size the
Smart phone will reconstruct the sensor logged records
11.1.4.2. Download Record Blocks (5 Blocks)
The Smartphone (Android application) can download internal logged data from
the UWBT Device in terms of 5 blocks, with the help of this frame.
Download Record Blocks string format (from Smartphone)
%0 0 504 <Number><CR>
UWBT device response to Download Records
• In this frame, the Length is represented in multiples of five pages. Length field
0x05 indicates 5 page records, i.e. 1280 bytes.
11.1.4.3. Download Record Blocks (3 Blocks)
The Smartphone (iOS application) can download internal logged data from the
UWBT Device in terms of 3 blocks, with the help of this frame.
Download Record Blocks string format (from Smartphone)
%0 0 509 <Number><CR>
UWBT device response to Download Records
In this frame, the Length is represented in multiples of three pages. Length field
0x03 indicates 3 page records, i.e. 768 bytes.
0xA5 0x00 0x00 0x01 0xF8 0x05
B1
B2
…
B1280 Checksum
11-6
Data Logging
11
0xA5 0x00
0x00
0x01
0xFD 0x03 B1 B2
… B768 Checksum
0xA5 0x00 0x00 0x01 0xF9 0x01 B1 B2 …. B256 Checksum
Содержание UWBT Series
Страница 44: ...4 14 Figure 4 15 Temperature Gauge Figure 4 16 RH And Temperature Gauge 4 14 Software Instructions iOS 4...
Страница 79: ...Figure 5 12 Sample CSV File Figure 5 13 Sample TXT File Software Instructions Android 5 5 10...
Страница 119: ...Figure 6 16 Save All Settings Screen Software Instructions PC App 6 6 17...