time_tick_sam.c File Reference

Time tick for SAM.

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

#include "asf.h"
#include "time_tick.h"

Macros
#define	TICK_US   1000

Functions
void	SysTick_Handler (void)
	Handler for Sytem Tick interrupt. More...
uint32_t	time_tick_calc_delay (uint32_t tick_start, uint32_t tick_end)
	Calculate the delay (ms) between two ticks. More...
uint32_t	time_tick_get (void)
	Get current time tick. More...
void	time_tick_init (void)
	Initialize for 1ms time tick. More...

Variables
volatile uint32_t	g_ms_ticks = 0
	Counts for 1ms time ticks. More...

#define TICK_US   1000

Referenced by time_tick_calc_delay(), and time_tick_init().

void SysTick_Handler

(

void

)

Handler for Sytem Tick interrupt.

Process System Tick Event Increments the g_ms_ticks counter.

References g_ms_ticks.

uint32_t time_tick_calc_delay	(	uint32_t	tick_start,
		uint32_t	tick_end
	)

Calculate the delay (ms) between two ticks.

Parameters

tick_start	Start tick number.
tick_end	End tick number.

Returns

the timing in ms between the both ticks

References TICK_US.

Referenced by main_test_memory().

uint32_t time_tick_get

(

void

)

Get current time tick.

References g_ms_ticks.

Referenced by main_test_memory().

void time_tick_init

(

void

)

Initialize for 1ms time tick.

Returns

true if initialization is OK, else false.

References Assert, g_ms_ticks, sysclk_get_cpu_hz(), and TICK_US.

Referenced by main().

volatile uint32_t g_ms_ticks = 0

Counts for 1ms time ticks.

Referenced by SysTick_Handler(), time_tick_get(), and time_tick_init().