产生非对称PWM信号，死去时间为1ms 脉冲宽度为24ms-Generating the asymmetric PWM signal, the dead time is 1ms pulse width is 24ms

pic12f675 use generating pwm

人为数字给定直流电机转速，与霍尔测速得到的直流电机转速（反馈量）进行比较，其差值经过PID运算，将得到控制量并产生PWM脉冲，通过驱动电路控制直流电机的转动，构成直流电机闭环调速控制系统。 -For digital dc motor speed, given with hall speed of dc motor speed (feedback) comparison, the difference through the PID arithmetic, will get control a