DeviceDriver_Entry 2 (changes)
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DeviceFS
» DeviceDriver_Entry
» DeviceDriver_Entry 2
DeviceDriver_Entry 2
(SWI -)
| Entry | |
|---|---|
| R0 | 2 (Wake up for TX) |
| R2 | DeviceFS stream handle |
| Exit | |
|---|---|
| R0 | 0 if you wish to remain dormant |
| 2 if you are ready to transmit |
Use
This entry point is called when DeviceFS has data ready to transmit.
Notes
If you wish to wake up transmit data you should call DeviceFS_TransmitCharacter to obtain bytes to send.
See also
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