RT-Thread Kernel API

Collaboration diagram for RT-Thread Kernel API:

Modules
	Thread Management
	Clock and Timer Management
	Kernel Object Management
	Inter-Thread Communication
	Signal
	Memory Management
	Device System
	Runtime Trace and Record
	Other useful kernel service
	Error Code

Functions
rt_weak void	rt_interrupt_enter (void)
rt_weak void	rt_interrupt_leave (void)
rt_weak rt_uint8_t	rt_interrupt_get_nest (void)

Detailed Description

The Kernel APIs are the core APIs of RT-Thread, which supports the following features:

• Multi-thread management
• Synchronization mechanisms
• Inter-thread communication
• Memory management
• Asynchronous timer

Function Documentation

rt_interrupt_enter()

rt_weak void rt_interrupt_enter

(

void

)

This function will be invoked by BSP, when enter interrupt service routine.

Note

Please don't invoke this routine in application

See also

rt_interrupt_leave

rt_interrupt_leave()

rt_weak void rt_interrupt_leave

(

void

)

This function will be invoked by BSP, when leave interrupt service routine.

Note

Please don't invoke this routine in application

See also

rt_interrupt_enter

rt_interrupt_get_nest()

rt_weak rt_uint8_t rt_interrupt_get_nest

(

void

)

This function will return the nest of interrupt.

User application can invoke this function to get whether current context is interrupt context.

Returns

the number of nested interrupts.