直流电机PWM调速可以调方向
.........................\pwm
.........................\pwm.c
.........................\pwm.hex
.........................\pwm.lnp
.........................\pwm.LST
.........................\pwm.M51
.........................\pwm.OBJ
.........................\pwm.Opt
.........................\pwm.plg
.........................\pwm.Uv2
.........................\pwm_Opt.Bak
.........................\pwm_Uv2.Bak