- dtr = req.value[1] & 0x01
- rts = (req.value[1] & 0x02) >> 1
- dtren = req.value[0] & 0x01
- rtsen = (req.value[0] & 0x02) >> 1
+ dtr = req.value & 0x0001
+ rts = (req.value & 0x0002) >> 1
+ dtren = (req.value & 0x0100) >> 8
+ rtsen = (req.value & 0x0200) >> 9