PPB_FORWARD_IDLE
ppb_1284_set_state(bus, PPB_FORWARD_IDLE);
case PPB_FORWARD_IDLE:
if (ppb_1284_get_state(bus) != PPB_FORWARD_IDLE)
ppb_1284_reset_error(bus, PPB_FORWARD_IDLE);
ppb_1284_set_state(bus, PPB_FORWARD_IDLE);
case PPB_FORWARD_IDLE:
ppb_1284_set_state(ppbus, PPB_FORWARD_IDLE);
case PPB_FORWARD_IDLE: