WAITMS/de
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Revision as of 21:16, 15 February 2013
Contents |
= (**COPIED FROM ENGLISH PAGE**) === Action
Suspends program execution for a given time in mS.
Syntax
WAITMS mS
Remarks
|
Ms |
The number of milliseconds to wait. (1-65535) |
No accurate timing is possible with this command.
In addition, the use of interrupts can slow this routine.
See also
ASM
WaitMS will call the routine _WAITMS. R24 and R25 are loaded with the number of milliseconds to wait.
Uses and saves R30 and R31.
Depending on the used XTAL the asm code can look like :
_WaitMS:
_WaitMS1F:
Push R30 ; save Z
Push R31
_WaitMS_1:
Ldi R30,$E8 ;delay for 1 mS
Ldi R31,$03
_WaitMS_2:
Sbiw R30,1 ; -1
Brne _WaitMS_2 ; until 1 mS is ticked away
Sbiw R24,1
Brne _WaitMS_1 ; for number of mS
Pop R31
Pop R30
Ret
Example
WAITMS 10 'wait for 10 mS Print "*"
| Languages | English • Deutsch |
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