Hi Mattieu,
We can't find hardware schematic in your link. Make sure you BMI270 hardware schematic is correct with data sheet. Also make sure SPI driver on host can work well, and try it again to read correct Chip ID. The configuration file can be segmented for transmission, for example, the following is the segment length setting in the BMI270 example code. /*! Macro that defines read write length */ #define READ_WRITE_LEN UINT8_C(46)
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