eic.h File Reference

EIC driver for SAM.

Copyright (c) 2012-2018 Microchip Technology Inc. and its subsidiaries.

#include "compiler.h"

Data Structures
struct	eic_line_config
	Configuration parameters of the EIC module. More...

Macros
#define	EIC_NUMBER_OF_LINES   9
	Number of available EIC lines, device dependent. More...
External Interrupt lines
#define	EXT_NMI   0
	Non-Maskable Interrupt. More...
#define	EXT_INT1   1
	External Interrupt 1. More...
#define	EXT_INT2   2
	External Interrupt 2. More...
#define	EXT_INT3   3
	External Interrupt 3. More...
#define	EXT_INT4   4
	External Interrupt 4. More...
#define	EXT_INT5   5
	External Interrupt 5. More...
#define	EXT_INT6   6
	External Interrupt 6. More...
#define	EXT_INT7   7
	External Interrupt 7. More...
#define	EXT_INT8   8
	External Interrupt 8. More...
Mode Trigger Options
#define	EIC_MODE_EDGE_TRIGGERED   0
	The interrupt is edge triggered. More...
#define	EIC_MODE_LEVEL_TRIGGERED   1
	The interrupt is level triggered. More...
Edge level Options
#define	EIC_EDGE_FALLING_EDGE   0
	The interrupt triggers on falling edge. More...
#define	EIC_EDGE_RISING_EDGE   1
	The interrupt triggers on rising edge. More...
Level Options
#define	EIC_LEVEL_LOW_LEVEL   0
	The interrupt triggers on low level. More...
#define	EIC_LEVEL_HIGH_LEVEL   1
	The interrupt triggers on high level. More...
Filter Options
#define	EIC_FILTER_ENABLED   1
	The interrupt is filtered. More...
#define	EIC_FILTER_DISABLED   0
	The interrupt is not filtered. More...
Synch Mode Options
#define	EIC_SYNCH_MODE   0
	The interrupt is synchronized to CLK_SYNC. More...
#define	EIC_ASYNCH_MODE   1
	The interrupt is asynchronous. More...

Typedefs
typedef void(*	eic_callback_t )(void)
	Callback definition. More...

Functions
void	eic_disable (Eic *eic)
	Disable the EIC module. More...
void	eic_enable (Eic *eic)
	Enable the EIC module. More...
static void	eic_line_clear_interrupt (Eic *eic, uint8_t line_number)
	Clear the interrupt flag of specified pin. More...
static void	eic_line_disable (Eic *eic, uint8_t line_number)
	Disable the external interrupt on specified line. More...
static void	eic_line_disable_interrupt (Eic *eic, uint8_t line_number)
	Disables the propagation from the EIC to the interrupt controller of the external interrupt on a specified line. More...
static void	eic_line_enable (Eic *eic, uint8_t line_number)
	Enable the external interrupt on specified line. More...
static void	eic_line_enable_interrupt (Eic *eic, uint8_t line_number)
	Enables the propagation from the EIC to the interrupt controller of the external interrupt on a specified line. More...
static bool	eic_line_interrupt_is_enabled (Eic *eic, uint8_t line_number)
	Tells whether an EIC interrupt line is enabled. More...
static bool	eic_line_interrupt_is_pending (Eic *eic, uint8_t line_number)
	Tells whether an EIC interrupt line is pending. More...
static bool	eic_line_is_enabled (Eic *eic, uint8_t line_number)
	Tells whether an EIC line is enabled. More...
void	eic_line_set_callback (Eic *eic, uint8_t line_number, eic_callback_t callback, uint8_t irq_line, uint8_t irq_level)
	Set callback for given EIC line. More...
void	eic_line_set_config (Eic *eic, uint8_t line_number, struct eic_line_config *eic_line_conf)
	Program the EIC hardware with the specified configuration. More...