WAITMS/de
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Hält die Programmausführung für die angegebene Zeit in Millisekunden an. | Hält die Programmausführung für die angegebene Zeit in Millisekunden an. | ||
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[[DELAY]] , [[WAIT]] , [[WAITUS]] | [[DELAY]] , [[WAIT]] , [[WAITUS]] | ||
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WaitMS will call the routine _WAITMS. R24 and R25 are loaded with the number of milliseconds to wait. | WaitMS will call the routine _WAITMS. R24 and R25 are loaded with the number of milliseconds to wait. | ||
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Latest revision as of 23:01, 17 February 2013
Contents |
Funktion
Hält die Programmausführung für die angegebene Zeit in Millisekunden an.
Syntax
WAITMS mS
Anmerkungen
|
mS |
Wartezeit in Millisekunden (1-65535) |
Ein genaues Timing ist mit WAITMS nicht möglich.
Außerdem können Interrupts die Wartezeit verlängern.
Siehe auch
Assembler
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
Beispiel
WAITMS 10 'wait for 10 mS Print "*"
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