TWS_I2O0_STATUS
status = tws_read_reg(sc, TWS_I2O0_STATUS, 4);
TWS_TRACE_DEBUG(sc, "OBFL Overrun", status, TWS_I2O0_STATUS);
status = tws_read_reg(sc, TWS_I2O0_STATUS, 4);
TWS_TRACE_DEBUG(sc, "OBFL Overrun", status, TWS_I2O0_STATUS);