STM32_IIR 滤波通过USB向PC发送数据-IIR Filter

Headtracker using sensors: ADXL345 (acc), ITG3200 (gyro), HMC5843 (mag) with data fusion using an extended kalman filter on STM32F10x and data output via USB to PC. Code (sensor reading, filter) written by me. Validated on real hardware.