Hello BSTRobin, Thank you for your help. I ported and tried the code you provided. What are the takeaways ? Here is the log I get : start demo_sensor successful to init bhy Physical Sensor Present: bitmap[0] = 0x2 bitmap[1] = 0x0 bitmap[2] = 0x1 bitmap[3] = 0x0 bitmap[4] = 0x0 bitmap[5] = 0x0 bitmap[6] = 0x0 bitmap[7] = 0x0 Physical Sensor Status: Acc : sample rate 0, range 0, int 0 pwr 1 Acc : sample rate 0, range 0, int 0 pwr 1 Gyro: sample rate 0, range 0, int 0 pwr 1 Mag : sample rate 0, range 0, int 0 pwr 0 cus evt size = 1 1 1 1 1 Supported Virtual Sensor Information: id= 1 id= 4 id= 9 id=10 id=15 id=16 id=17 id=18 id=19 id=22 id=23 id=24 id=25 id=31 id=33 id=36 id=41 id=42 id=47 id=48 id=49 id=50 id=51 id=54 id=55 id=56 id=57 id=63 initialize success!
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