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Data extraction and BLE notification for new firmware #5

@YuyiChang

Description

@YuyiChang

Current data extraction assumes the following data format:

 Version: 4.5.3 NAND
 ppg format: 4 channels of uint32 ppg, uint32 timer and uint32 counter
 accel format: 3 int16 accel, 3 float32 gyro, uint32 timer, uint32 counter

Upcoming firmware change will incorporate the following:

Version: 4.7.0 4NAND
 ppg format: 4 channels of uint32 ppg (2 IR then 2 green), uint32 global_tick_512hz
 accel format: 3 int16 accel, 3 float32 quaternion, second avg float32 enmo, uint32 global_tick_512hz

Accordingly, counter reported in BLE notification will be also be updated.

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