HC_TD_R
HC_TD_R : 0;
ctrl |= HC_TD_R;
ctrl |= HC_TD_R;
td_control = HC_TD_IN|HC_TD_1I|HC_TD_R;
td_control = tw->tw_direction|HC_TD_DT_0|HC_TD_1I|HC_TD_R;
ctrl = tw->tw_direction | HC_TD_DT_0 | HC_TD_1I | HC_TD_R;
ctrl = tw->tw_direction | HC_TD_DT_0|HC_TD_1I | HC_TD_R;