一段基于单片机控制二相步进电机的程序，可调速，可调正转和反转-A period of two-phase stepper motor microcontroller-based control program, adjustable speed, adjustable forward and reverse

轮毂电机驱动程序，通过6个按键实现电机正转、倒转、左转、右转、加减速等-The wheel hub motor driver, to achieve the motor forward, reverse, turn left, turn right, acceleration and deceleration by 6 keys

程序说明：通过4个按键、2个外部中断和一个定时器控制步进电机的 启动/停止/正转/反转/加速/减速 -Program Descr iption: Through four buttons, two external interrupts and a timer to control the stepper motor Start/stop/forward/reverse/acceleration/deceleration

51单片机控制步进电机正反转，并在1602液晶屏上显示方向，转速等-51 single-chip control stepper motor forward and reverse, and 1602 on the LCD screen display direction, speed and so on

能够实现步进电机的正反转控制以及变速的实现，主要通过SCI串行通讯接口实现上位机和下位机的通讯的。-To achieve the stepper motor forward and reverse control and the realization of speed, mainly through the SCI serial communication interface to achieve the host computer and the next crew of the commu