PIC单片机的电机驱动程序，电动车双闭环程序，采用双闭环方式控制电机，以得到最好的zh转速性能，并且可以限制电机的最大电流。-PIC microcontroller s motor drive, electric cars double-loop process control using two-way closed-loop motor speed zh to get the best performance and can limit the maximum motor current.