Hi,
Thanks for your inquiry.
Development Desktop 2.0 (DD2.0) GUI SW uses polling mode for data logging into a txt or csv file. After you finish configuring BMI090L accel and gyro power mode, output data rate (ODR) and full scale ranges, DD2.0 will keep polling the data ready bit from the accel and gyro status registers respectively. If that new data bit is set, then DD2.0 will read BMI090L data registers and store the data in the file.
For example, if you set accel and gyro to 100Hz both, then the data log file will have both data at each time interval of 10ms. If you set accel to 100Hz ODR and gyro to 200Hz ODR, then gyro data will be stored in the file at 5ms interval while accel data 10ms interval.
You can use COINES SW to log data into file by yourself.
Thanks.
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