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How to capture ELA Beacon internal battery voltage? (view source)
Revision as of 17:45, 22 February 2022
, 17:45, 22 February 2022→General Information
In order to capture ELA battery information, it is required to use ''Beacon Capturing Configuration'' table which is added from 03.27.07.Rev.00 firmware version or above. For more detailed information about ''Beacon Capturing Configuration'' please refer [[FMB920 Beacon List#Advanced Beacon Capturing Configuration|here]].
In order to capture ELA battery information, it is required to use ''Beacon Capturing Configuration'' table which is added from 03.27.07.Rev.00 firmware version or above. For more detailed information about ''Beacon Capturing Configuration'' please refer [[FMB920 Beacon List#Advanced Beacon Capturing Configuration|here]].
Broadcasting information can be classified into two main sections: Advertisement and scan response. In Scan Response frame, bytes 6 and 7 are listed as LSB and MSB, meaning that byte 7 should be calculated first and byte 6 second. Example: AC0B ->0BAC; 0BAC(hex) -> 2988(dec)*0.001 multiplier. Gives 2.988V internal battery voltage.
Broadcasting information can be classified into two main sections: Advertisement and scan response. In Scan Response frame, bytes 6 and 7 are listed as LSB and MSB, meaning that byte 7 should be calculated first and byte 6 second. Example: AC0B ->0BAC; 0BAC(hex) -> 2988(dec)*0.001 multiplier. Gives 2.988V internal battery voltage.
[[File:Scan response.png|frameless|[https://elainnovation.com/wp-content/uploads/2020/10/BLE-Frame-specifications-11B-EN.pdf]|alt=|left|370x370px]]
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Notes:
* Only sensors that are v3.0 support this functionality.
* ELA devices have ''Power supply 3 VDC – Internal lithium battery.''
== Examples of ELA sensor whole packet capturing ==
== Examples of ELA sensor whole packet capturing ==
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