说明：   LPC2103两轴步进电机控制程序,带加减速,一路脉冲+方向输出、继电器延时、报警,三菱FX系列通信兼容RS232(9600,1,0.1)
(LPC2103 two-axis stepper motor control program, with acceleration and deceleration, all the way pulse+ direction output, time delay relays, alarm, Mitsubishi FX series communication compatible RS232 (9600,1,0.1))