Microchip® Advanced Software Framework

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

External Interrupt lines

Number of available EIC lines, device dependent.

#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...