h6. [[DeviceFS]] h6(. » [[DeviceFS SWI Calls|SWI Calls]] h6((. » DeviceFS_ReceivedCharacter h2. DeviceFS_ReceivedCharacter h5. (SWI &42746) |_<^{width:4em}. Entry | | |<^. R0 |<^. Byte received | |<^. R1 |<^. DeviceFS stream handle | |_<^{width:4em}. Exit | | |/2<^. - |<^. C set => byte not transferred | |<^. C clear => byte transferred | h4. Use The purpose of this call is to inform [[DeviceFS]] that a device driver has received a character. h4. Notes DeviceFS will then process the character (buffer it, or unblock a waiting stream). For speed DeviceFS_ReceivedCharacter and [[DeviceFS_TransmitCharacter]] do not validate the external handle passed - strange things will happen if bad handles are passed. h4. See also * [[DeviceFS_TransmitCharacter]]