TPU_PIN_INACTIVE
case TPU_PIN_INACTIVE:
tpu_pwm_set_pin(tpd, TPU_PIN_INACTIVE);
tpu_pwm_set_pin(tpd, duty ? TPU_PIN_ACTIVE : TPU_PIN_INACTIVE);
TPU_PIN_ACTIVE : TPU_PIN_INACTIVE);
tpu_pwm_set_pin(tpd, TPU_PIN_INACTIVE);