interrupt_avr32.h File Reference

Global interrupt management for 32-bit AVR.

Copyright (c) 2010-2018 Microchip Technology Inc. and its subsidiaries.

#include <compiler.h>
#include <preprocessor/tpaste.h>
#include <intc.h>

Macros
#define	Disable_global_interrupt()   cpu_irq_disable()
#define	Disable_interrupt_level(level)   cpu_irq_disable_level(level)
#define	Enable_global_interrupt()   cpu_irq_enable()
#define	Enable_interrupt_level(level)   cpu_irq_enable_level(level)
#define	Is_global_interrupt_enabled()   cpu_irq_is_enabled()
#define	Is_interrupt_level_enabled(level)   cpu_irq_level_is_enabled(level)
Interrupt Service Routine definition and registration
#define	ISR(func, int_grp, int_lvl)   __attribute__((__interrupt__)) static void func (void)
	Macro to declare an interrupt service routine. More...
#define	irq_initialize_vectors()   INTC_init_interrupts()
	Initialize interrupt vectors. More...
#define	irq_register_handler(func, int_num, int_lvl)
	Register handler for interrupt. More...
Interrupt protection of code sections
Note Use cpu_irq_save and cpu_irq_restore instead of these macros.
#define	AVR32_ENTER_CRITICAL_REGION()
	Start section with code protected against interrupts. More...
#define	AVR32_LEAVE_CRITICAL_REGION()
	End section with code protected against interrupts. More...

Typedefs
typedef void(*	__int_handler )(void)
	Pointer to interrupt handler. More...

Global interrupt flags
#define	cpu_irq_enable()
	Enable interrupts globally. More...
#define	cpu_irq_disable()
	Disable interrupts globally. More...
#define	cpu_irq_is_enabled()   cpu_irq_is_enabled_flags(sysreg_read(AVR32_SR))
	Check if interrupts are globally enabled. More...
typedef uint32_t	irqflags_t
	Type used for holding state of interrupt flag. More...
static irqflags_t	cpu_irq_save (void)
	Get and clear the global interrupt flags. More...
static bool	cpu_irq_is_enabled_flags (irqflags_t flags)
	Check if interrupts are globally enabled in supplied flags. More...
static void	cpu_irq_restore (irqflags_t flags)
	Restore global interrupt flags. More...

Global interrupt levels
#define	cpu_irq_level_is_enabled(level)
	Check if interrupt level is enabled. More...
#define	cpu_irq_enable_level(level)
	Enable interrupt level. More...
#define	cpu_irq_disable_level(level)
	Disable interrupt level. More...
static bool	cpu_irq_level_is_enabled_flags (irqflags_t flags, uint32_t level)
	Check if interrupt level is enabled in supplied flags. More...