h6. [[DeviceFS]] h6(. » [[DeviceDriver_Entry]] h6((. » DeviceDriver_Entry 8 h2. DeviceDriver_Entry 8 h5. (SWI -) |_<^{width:4em}. Entry | | |<^. R0 |<^. 8 (Halt) | |<^. R2 |<^. DeviceFS stream handle | |_<^{width:4em}. Exit | | |<^. - |<^. - | h4. Use This entry point is called when the free space falls below the threshold (set on creation, or modified by [[DeviceFS_Threshold]]). h4. Notes It allows the driver to attempt to stop incoming data (e.g. a serial device could perform handshaking). h4. See also * [[DeviceFS]] * [[DeviceFS_Threshold]] * [[DeviceDriver_Entry]]