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osal_irq-h.md

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Openharmony v1.0 / docs / api / api-SmartVision-Devices

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# osal\_irq.h
## **Overview**
**Related Modules:**
[OSAL](OSAL.md)
**Description:**
Declares interrupt request \(IRQ\) interfaces and common IRQ trigger modes.
**Since:**
1.0
**Version:**
1.0
## **Summary**
## Typedefs

Typedef Name	Description
OsalIRQHandle) (uint32_t irqId, void *dev)	typedef uint32_t(* Defines an IRQ type.

Typedef Name

Description

OsalIRQHandle) (uint32_t irqId, void *dev)

typedef uint32_t(*

Defines an IRQ type.

## Enumerations

Enumeration Name	Description
OSAL_IRQ_TRIGGER_MODE { OSAL_IRQF_TRIGGER_NONE = 0, OSAL_IRQF_TRIGGER_RISING = 1, OSAL_IRQF_TRIGGER_FALLING = 2, OSAL_IRQF_TRIGGER_HIGH = 4, OSAL_IRQF_TRIGGER_LOW = 8 }	Enumerates interrupt trigger modes.

## Functions

Function Name	Description
OsalRegisterIrq (uint32_t irqId, uint32_t config, OsalIRQHandle handle, const char name, void dev)	int32_t Registers an IRQ.
OsalUnregisterIrq (uint32_t irqId)	int32_t Unregisters an IRQ.
OsalEnableIrq (uint32_t irqId)	int32_t Enables an IRQ.
OsalDisableIrq (uint32_t irqId)	int32_t Disables an IRQ.