1. ACC_config and gyro _config is on parameter page 1, so you need switch to page 1 then write all the configure then switch to page 0
2. all configure can only write when device in configure mode ( the default mode after reset)
3. the buf [0] is register address, acc_config is register address 0x07 on page 1
4. when you select NDoF mode, all data rate of sensor is fixed, 0.781Hz of accel is not acceptable
5. after reset, you can just only change unit you want, then change the operation mode to NDoF mode, others will take care by sensor itself
6. you must perform the calibration motion. you can refer to the video as following as exmaple.
https://www.youtube.com/watch?v=Bw0WuAyGsnY
after doing calibration movements, you can get the calibration status.
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