linking...
..\OBJ\MPU9250和f1.axf: Error: L6218E: Undefined symbol inv_enable_9x_sensor_fusion (referred from inv_mpu.o).
..\OBJ\MPU9250和f1.axf: Error: L6218E: Undefined symbol inv_enable_fast_nomot (referred from inv_mpu.o).
..\OBJ\MPU9250和f1.axf: Error: L6218E: Undefined symbol inv_enable_gyro_tc (referred from inv_mpu.o).
..\OBJ\MPU9250和f1.axf: Error: L6218E: Undefined symbol inv_enable_magnetic_disturbance (referred from inv_mpu.o).
..\OBJ\MPU9250和f1.axf: Error: L6218E: Undefined symbol inv_enable_quaternion (referred from inv_mpu.o).
..\OBJ\MPU9250和f1.axf: Error: L6218E: Undefined symbol inv_enable_vector_compass_cal (referred from inv_mpu.o).
Not enough information to list image symbols.
Finished: 1 information, 0 warning and 6 error messages.
"..\OBJ\MPU9250和f1.axf" - 6 Error(s), 0 Warning(s).