freqm.c File Reference

Frequency Meter driver for SAM4L.

Copyright (c) 2014-2018 Microchip Technology Inc. and its subsidiaries.

#include "freqm.h"
#include "sysclk.h"
#include "sleepmgr.h"

Functions
enum status_code	freqm_disable (struct freqm_dev_inst *const dev_inst)
	Disable FREQM. More...
void	freqm_enable (struct freqm_dev_inst *const dev_inst)
	Enable FEQM. More...
void	freqm_get_config_defaults (struct freqm_config *const cfg)
	Initializes Frequency Meter configuration structure to defaults. More...
enum status_code	freqm_get_result_blocking (struct freqm_dev_inst *const dev_inst, uint32_t *p_result)
	Get measurement result. More...
void	FREQM_Handler (void)
	Interrupt handler for FREQM. More...
enum status_code	freqm_init (struct freqm_dev_inst *const dev_inst, Freqm *const freqm, struct freqm_config *const cfg)
	Configure FREQM with specified value. More...
void	freqm_set_callback (struct freqm_dev_inst *const dev_inst, freqm_interrupt_source_t source, freqm_callback_t callback, uint8_t irq_level)
	Set callback for FREQM interrupt handler. More...

Variables
struct freqm_dev_inst *	_freqm_instance
freqm_callback_t	freqm_callback [FREQM_INTERRUPT_SOURCE_N]
	FREQM callback function pointer array. More...

void FREQM_Handler

(

void

)

Interrupt handler for FREQM.

References freqm_get_interrupt_mask(), freqm_get_interrupt_status(), FREQM_INTERRUPT_MEASURMENT_READY, and FREQM_INTERRUPT_REFERENCE_CLOCK_READY.

struct freqm_dev_inst* _freqm_instance

freqm_callback_t freqm_callback[FREQM_INTERRUPT_SOURCE_N]

FREQM callback function pointer array.