Here is a list of all files with brief descriptions:

examples
admin_pwm
admin_pwm.ino
I2C_Accel
I2C_Accel.ino
I2C_Basic
I2C_Basic.ino
I2C_Magneto
I2C_Magneto.ino
SPI_Basic
SPI_Basic.ino
src
7Semi_I2C_Interface.h
7Semi_Interface.h
7Semi_SPI_Interface.h
BusIO_7Semi.h
DevLab_ICM20948.cpp
DevLab_ICM20948.h
ICM20948_platform.h
ICM20948_regs.h