OS_ClearIrqCheckFlag


C Specification

#include <nitro/os.h>

void OS_ClearIrqCheckFlag( OSIrqMask intr );

Description

Clears IRQ interrupt check flags

These flags are normally set by the interrupt handler of each IRQ interrupt. For information on the types of flags, see OS_SetIrqCheckFlag.

Internal Operation

In the ARM9, the predetermined location (DTCM_END - 8) in DTCM is designated to be the check flag region. This function operates on this region.

In the ARM7, the predetermined location of the ARM7 WRAM (highest address - 8) is designated to be the check flag region. The function operates on this region.

Arguments

intr Shows, as a logical sum, the IRQ interrupt cause that will clear the check flag.

Return Values

None

See Also

OS_SetIrqCheckFlag, OS_GetIrqCheckFlag

Revision History

11/02/2004 Removed SVC_WaitIntr() from the "See Also" section.
04/06/2004 Initial version