timer_mgt.c File Reference

Timer management for the lwIP Raw HTTP basic example.

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

#include "board.h"
#include "tc.h"
#include "timer_mgt.h"
#include "lwip/init.h"
#include "lwip/sys.h"
#include "pmc.h"
#include "sysclk.h"

Functions
uint32_t	sys_get_ms (void)
	Return the number of timer ticks (ms). More...
void	sys_init_timing (void)
	Initialize the timer counter (TC0). More...
u32_t	sys_now (void)
	Returns the current time in milliseconds, may be the same as sys_jiffies or at least based on it. More...
void	TC0_Handler (void)
	TC0 Interrupt handler. More...

Variables
static volatile uint32_t	gs_ul_clk_tick

uint32_t sys_get_ms

(

void

)

Return the number of timer ticks (ms).

References gs_ul_clk_tick.

Referenced by sys_now(), and timers_update().

void sys_init_timing

(

void

)

Initialize the timer counter (TC0).

References gs_ul_clk_tick, pmc_enable_periph_clk(), sysclk_get_main_hz(), tc_enable_interrupt(), tc_find_mck_divisor(), tc_init(), tc_start(), and tc_write_rc().

Referenced by init_ethernet().

u32_t sys_now

(

void

)

Returns the current time in milliseconds, may be the same as sys_jiffies or at least based on it.

References sys_get_ms().

void TC0_Handler

(

void

)

TC0 Interrupt handler.

References gs_ul_clk_tick.

volatile uint32_t gs_ul_clk_tick

static

Referenced by sys_get_ms(), sys_init_timing(), and TC0_Handler().