US2WT
if (pwrk->timer >= US2WT(PMCS_WATCH_INTERVAL)) {
pwrk->timer -= US2WT(PMCS_WATCH_INTERVAL);
pwrk->timer = US2WT(sp_pkt_time * 1000000);
pwrk->timer = US2WT(1000000);
pwrk->timer = US2WT(sp_pkt_time * 1000000);
pwrk->timer = US2WT(1000000);