unix_time.c File Reference

#include <esp8266.h>
#include "debug.h"
#include "unix_time.h"
#include <sntp.h>

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Functions
ICACHE_FLASH_ATTR static void	sntp_check_timer_func (void *arg)
ICACHE_FLASH_ATTR static void	ntp_offline_second_counter_timer_func (void *arg)
ICACHE_FLASH_ATTR void	init_unix_time (void)
ICACHE_FLASH_ATTR uint32_t	get_unix_time (void)
ICACHE_FLASH_ATTR uint32_t	get_uptime (void)

Variables
static os_timer_t	sntp_check_timer
uint32_t	init_time = 0
uint32_t	current_unix_time
uint32_t	ntp_offline_second_counter = 0
uint64_t	boot_time
static os_timer_t	ntp_offline_second_counter_timer

Function Documentation

get_unix_time()

ICACHE_FLASH_ATTR uint32_t get_unix_time

(

void

)

Definition at line 55 of file unix_time.c.

References current_unix_time, and sntp_get_current_timestamp().

Referenced by en61107_received_task(), en61107_request_send(), kmp_received_task(), kmp_request_send(), and minute_timer_func().

                                               {
    current_unix_time = sntp_get_current_timestamp();

    return current_unix_time;
}

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get_uptime()

ICACHE_FLASH_ATTR uint32_t get_uptime

(

void

)

Definition at line 61 of file unix_time.c.

References current_unix_time, init_time, ntp_offline_second_counter, and sntp_get_current_timestamp().

Referenced by add_watchdog(), reset_watchdog(), and watchdog_timer_func().

                                            {
    current_unix_time = sntp_get_current_timestamp();
    if (init_time == 0) {
        return ntp_offline_second_counter;
    }
    else {
        return current_unix_time - init_time + ntp_offline_second_counter;
    }
}

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init_unix_time()

ICACHE_FLASH_ATTR void init_unix_time

(

void

)

Definition at line 37 of file unix_time.c.

References ntp_offline_second_counter, ntp_offline_second_counter_timer, ntp_offline_second_counter_timer_func(), NULL, os_timer_arm, os_timer_disarm, os_timer_func_t, os_timer_setfn, sntp_check_timer, sntp_check_timer_func(), sntp_init(), sntp_set_timezone(), and sntp_setservername().

                                            {
    // init sntp
    sntp_setservername(0, "dk.pool.ntp.org"); // set server 0 by domain name
    sntp_setservername(1, "us.pool.ntp.org"); // set server 1 by domain name
    sntp_set_timezone(0);   // UTC time
    sntp_init();
    
    // start timer to make sure we go ntp reply
    os_timer_disarm(&sntp_check_timer);
    os_timer_setfn(&sntp_check_timer, (os_timer_func_t *)sntp_check_timer_func, NULL);
    os_timer_arm(&sntp_check_timer, 2000, 0);

    ntp_offline_second_counter = 0;
    os_timer_disarm(&ntp_offline_second_counter_timer);
    os_timer_setfn(&ntp_offline_second_counter_timer, (os_timer_func_t *)ntp_offline_second_counter_timer_func, NULL);
    os_timer_arm(&ntp_offline_second_counter_timer, 1000, 1);       // every seconds
}

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ntp_offline_second_counter_timer_func()

ICACHE_FLASH_ATTR static void ntp_offline_second_counter_timer_func ( void *  arg )

static

Definition at line 33 of file unix_time.c.

References ntp_offline_second_counter.

Referenced by init_unix_time().

                                                                               {
    ntp_offline_second_counter++;
}

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sntp_check_timer_func()

ICACHE_FLASH_ATTR static void sntp_check_timer_func ( void *  arg )

static

Definition at line 16 of file unix_time.c.

References current_unix_time, init_time, ntp_offline_second_counter_timer, os_timer_arm, os_timer_disarm, sntp_check_timer, and sntp_get_current_timestamp().

Referenced by init_unix_time().

                                                               {
    current_unix_time = sntp_get_current_timestamp();
    
    if (current_unix_time == 0) {
        os_timer_disarm(&sntp_check_timer);
        os_timer_arm(&sntp_check_timer, 2000, 0);
    } else {
        os_timer_disarm(&sntp_check_timer);
        // save init time for use in get_uptime()
        if (init_time == 0) {       // only set init_time at boot
            os_timer_disarm(&ntp_offline_second_counter_timer);     // stop offline second counter
            
            init_time = current_unix_time;
        }
    }
}

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Variable Documentation

boot_time

uint64_t boot_time

Definition at line 12 of file unix_time.c.

current_unix_time

uint32_t current_unix_time

Definition at line 9 of file unix_time.c.

Referenced by en61107_received_task(), get_unix_time(), get_uptime(), kmp_received_task(), and sntp_check_timer_func().

init_time

uint32_t init_time = 0

Definition at line 8 of file unix_time.c.

Referenced by get_uptime(), and sntp_check_timer_func().

ntp_offline_second_counter

uint32_t ntp_offline_second_counter = 0

Definition at line 10 of file unix_time.c.

Referenced by get_uptime(), init_unix_time(), and ntp_offline_second_counter_timer_func().

ntp_offline_second_counter_timer

os_timer_t ntp_offline_second_counter_timer

static

Definition at line 14 of file unix_time.c.

Referenced by init_unix_time(), and sntp_check_timer_func().

sntp_check_timer

os_timer_t sntp_check_timer

static

Definition at line 6 of file unix_time.c.

Referenced by init_unix_time(), and sntp_check_timer_func().