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OS_CallAfter
Programmer's Reference Manuals
» Part 15 – SWI Calls
» OS
» OS_CallAfter
OS_CallAfter
(SWI &3B)
| Entry | |
|---|---|
| R0 | Delay in centi-seconds |
| R1 | Address to call |
| R2 | Value of R12 to call code with |
| Exit | |
|---|---|
| R0 | Preserved |
| R1 | Preserved |
| R2 | Preserved |
Use
The purpose of this call is to call a specified memory address after a delay, in centi-seconds.
Notes
A routine called by this mechanism is called in SVC mode, must preserve ALL registers and return by MOV R15, R14.
To cancel the settings of this call, use OS_RemoveTickerEvent.