OS_UpCall 17 (changes)
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OS SWI Calls
» OS_UpCall
» OS_UpCall 17
OS_UpCall 17
(SWI &33)
| Entry | |
|---|---|
| R0 | 17 (&11) |
| R1 | FileSwitch stream handle |
| Exit | |
|---|---|
| R0 | Preserved |
| R1 | Preserved |
Use
The purpose of this call is to call inform your application when the amount of data in a stream falls below the threshold.
Notes
This service is issued when the amount of data in a stream falls below the threshold.
See also
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