acifc.h File Reference

SAM4L Analog Comparator Interface Driver.

Copyright (c) 2013-2018 Microchip Technology Inc. and its subsidiaries.

#include <compiler.h>
#include <status_codes.h>

Data Structures
struct	ac_ch_config
	ACIFC channel configuration structure. More...
struct	ac_config
	ACIFC module configuration structure. More...
struct	ac_dev_inst
	ACIFC driver structure. More...
struct	ac_win_config
	ACIFC window configuration structure. More...

Typedefs
typedef void(*	ac_callback_t )(void)
	ACIFC interrupt callback type. More...
typedef enum ac_interrupt_source	ac_interrupt_source_t
	ACIFC interrupt configuration type. More...

Enumerations
enum	ac_ch_interrupt_setting {   AC_CH_IS_VINP_GT_VINN = 0,   AC_CH_IS_VINP_LT_VINN,   AC_CH_IS_OUTPUT_TGL,   AC_CH_IS_COMP_DONE }
	ACIFC channel interrupt setting. More...
enum	ac_comparator_mode {   AC_COMPARATOR_OFF = 0,   AC_COMPARATOR_CONTINUOUS,   AC_COMPARATOR_USER_TRIGGERED,   AC_COMPARATOR_EVENT_TRIGGERED }
	ACIFC comparator mode. More...
enum	ac_hysteresis_voltage {   AC_HYSTERESIS_0_MV = 0,   AC_HYSTERESIS_25_MV,   AC_HYSTERESIS_50_MV,   AC_HYSTERESIS_75_MV }
	ACIFC hysteresis voltage. More...
enum	ac_interrupt_source {   AC_INTERRUPT_CONVERSION_COMPLETED_0 = 0,   AC_INTERRUPT_STARTUP_TIME_ELAPSED_0,   AC_INTERRUPT_CONVERSION_COMPLETED_1,   AC_INTERRUPT_STARTUP_TIME_ELAPSED_1,   AC_INTERRUPT_CONVERSION_COMPLETED_2,   AC_INTERRUPT_STARTUP_TIME_ELAPSED_2,   AC_INTERRUPT_CONVERSION_COMPLETED_3,   AC_INTERRUPT_STARTUP_TIME_ELAPSED_3,   AC_INTERRUPT_CONVERSION_COMPLETED_4,   AC_INTERRUPT_STARTUP_TIME_ELAPSED_4,   AC_INTERRUPT_CONVERSION_COMPLETED_5,   AC_INTERRUPT_STARTUP_TIME_ELAPSED_5,   AC_INTERRUPT_CONVERSION_COMPLETED_6,   AC_INTERRUPT_STARTUP_TIME_ELAPSED_6,   AC_INTERRUPT_CONVERSION_COMPLETED_7,   AC_INTERRUPT_STARTUP_TIME_ELAPSED_7,   AC_INTERRUPT_WINDOW_0,   AC_INTERRUPT_WINDOW_1,   AC_INTERRUPT_WINDOW_2,   AC_INTERRUPT_WINDOW_3 }
	ACIFC interrupt configuration type. More...
enum	ac_negative_input { AC_NEGTIVE_INPUT_EXTERNAL = 0 }
	ACIFC negative input. More...
enum	ac_win_event_source {   AC_WIN_EVENT_ACWOUT_RISING_EDGE = 0,   AC_WIN_EVENT_ACWOUT_FALLING_EDGE,   AC_WIN_EVENT_ACWOUT_ON_ANY_EDGE,   AC_WIN_EVENT_INSIDE_WINDOW,   AC_WIN_EVENT_OUTSIDE_WINDOW,   AC_WIN_EVENT_MEASURE_DONE }
	ACIFC window event output configuration. More...
enum	ac_win_interrupt_setting {   AC_WIN_IS_VINP_INSIDE_WINDOW = 0,   AC_WIN_IS_VINP_OUTSIDE_WINDOW,   AC_WIN_IS_WINDOW_OUTPUT_TGL,   AC_WIN_IS_WINDOW_COMP_DONE,   AC_WIN_IS_VINP_ENTER_WINDOW,   AC_WIN_IS_VINP_LEAVE_WINDOW }
	ACIFC window interrupt settings. More...

Functions
static void	ac_ch_get_config_defaults (struct ac_ch_config *const cfg)
	Initializes an ACIFC channel configuration structure to default values. More...
void	ac_ch_set_config (struct ac_dev_inst *const dev_inst, uint32_t channel, struct ac_ch_config *cfg)
	Configure the specified ACIFC channel. More...
static void	ac_clear_interrupt_status (struct ac_dev_inst *const dev_inst, uint32_t status)
	Write to the ACIFC interrupt status. More...
void	ac_disable (struct ac_dev_inst *const dev_inst)
	Disable the ACIFC Module. More...
void	ac_disable_interrupt (struct ac_dev_inst *const dev_inst, ac_interrupt_source_t source)
	Disable the specified ACIFC interrupt source. More...
void	ac_enable (struct ac_dev_inst *const dev_inst)
	Enable the ACIFC module. More...
void	ac_enable_interrupt (struct ac_dev_inst *const dev_inst, ac_interrupt_source_t source)
	Enable the specified ACIFC interrupt source. More...
static void	ac_get_config_defaults (struct ac_config *const cfg)
	Initialize an ACIFC configuration structure to default values. More...
static uint32_t	ac_get_interrupt_mask (struct ac_dev_inst *const dev_inst)
	Get the ACIFC interrupt mask. More...
static uint32_t	ac_get_interrupt_status (struct ac_dev_inst *const dev_inst)
	Get the ACIFC interrupt status. More...
static uint32_t	ac_get_status (struct ac_dev_inst *const dev_inst)
	Get the ACIFC status. More...
enum status_code	ac_init (struct ac_dev_inst *const dev_inst, Acifc *const ac, struct ac_config *const cfg)
	Initialize the ACIFC module. More...
static bool	ac_is_comparison_done (struct ac_dev_inst *const dev_inst)
	Check if the ACIFC comparison is done. More...
void	ac_set_callback (struct ac_dev_inst *const dev_inst, ac_interrupt_source_t source, ac_callback_t callback, uint8_t irq_level)
	Set the ACIFC interrupt callback. More...
static void	ac_user_trigger_single_comparison (struct ac_dev_inst *const dev_inst)
	Start a single ACIFC comparison. More...
static void	ac_win_get_config_defaults (struct ac_win_config *const cfg)
	Initializes an ACIFC window configuration structure to default values. More...
void	ac_win_set_config (struct ac_dev_inst *const dev_inst, uint32_t window, struct ac_win_config *cfg)
	Configure the specified ACIFC window. More...