Power Function PWM option constants

PF_PWM_BRAKE PF_PWM_FLOAT PF_PWM_FWD1 PF_PWM_FWD2 PF_PWM_FWD3 PF_PWM_FWD4 PF_PWM_FWD5 PF_PWM_FWD6 PF_PWM_FWD7 PF_PWM_REV1 PF_PWM_REV2 PF_PWM_REV3 PF_PWM_REV4 PF_PWM_REV5 PF_PWM_REV6 PF_PWM_REV7

#define PF_PWM_FWD4   4 Power function PWM foward level 4