watchdog.h File Reference

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Macros
#define	WATCHDOG_MAX   1
#define	MQTT_WATCHDOG_ID   1
#define	MQTT_WATCHDOG_TIMEOUT   120
#define	NETWORK_RESTART_DELAY   6000

Enumerations
enum	watchdog_type_t { NOT_ENABLED, REBOOT, REBOOT_VIA_EXT_WD, NETWORK_RESTART }

Functions
ICACHE_FLASH_ATTR void	init_watchdog ()
ICACHE_FLASH_ATTR void	start_watchdog ()
ICACHE_FLASH_ATTR void	stop_watchdog ()
ICACHE_FLASH_ATTR bool	add_watchdog (uint32_t id, watchdog_type_t type, uint32_t timeout)
ICACHE_FLASH_ATTR bool	remove_watchdog (uint32_t id)
ICACHE_FLASH_ATTR void	reset_watchdog (uint32_t id)

Macro Definition Documentation

MQTT_WATCHDOG_ID

#define MQTT_WATCHDOG_ID   1

Definition at line 3 of file watchdog.h.

MQTT_WATCHDOG_TIMEOUT

#define MQTT_WATCHDOG_TIMEOUT   120

Definition at line 4 of file watchdog.h.

NETWORK_RESTART_DELAY

#define NETWORK_RESTART_DELAY   6000

Definition at line 6 of file watchdog.h.

Referenced by watchdog_timer_func().

WATCHDOG_MAX

#define WATCHDOG_MAX   1

Definition at line 1 of file watchdog.h.

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

Enumeration Type Documentation

watchdog_type_t

enum watchdog_type_t

Enumerator
NOT_ENABLED
REBOOT
REBOOT_VIA_EXT_WD
NETWORK_RESTART

Definition at line 8 of file watchdog.h.

             {
    NOT_ENABLED,
    REBOOT,
    REBOOT_VIA_EXT_WD,
    NETWORK_RESTART
} watchdog_type_t;

Function Documentation

add_watchdog()

ICACHE_FLASH_ATTR bool add_watchdog	(	uint32_t	id,
		watchdog_type_t	type,
		uint32_t	timeout
	)

Definition at line 155 of file watchdog.c.

References get_uptime(), watchdog_t::id, watchdog_t::last_reset, os_printf, watchdog_t::timeout, watchdog_t::type, watchdog_list_len, and WATCHDOG_MAX.

                                                                                         {  
    if (watchdog_list_len < WATCHDOG_MAX) {
#ifdef DEBUG
        os_printf("add watchdog, id: %d\n", id);
#endif
        watchdog_list[watchdog_list_len].id = id;
        watchdog_list[watchdog_list_len].type = type;
        watchdog_list[watchdog_list_len].timeout = timeout;
        watchdog_list[watchdog_list_len].last_reset = get_uptime();
        watchdog_list_len++;
        return true;
    }
    else {
#ifdef DEBUG
        os_printf("watchdog error, cant add more\n");
#endif
        return false;
    }
}

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init_watchdog()

ICACHE_FLASH_ATTR void init_watchdog

(

)

Definition at line 125 of file watchdog.c.

References memset, and watchdog_list_len.

                                       {
    memset(watchdog_list, 0x00, sizeof(watchdog_list));
    watchdog_list_len = 0;
}

remove_watchdog()

ICACHE_FLASH_ATTR bool remove_watchdog

(

uint32_t

id

)

Definition at line 175 of file watchdog.c.

References watchdog_t::id, NOT_ENABLED, os_printf, watchdog_t::timeout, watchdog_t::type, and watchdog_list_len.

                                                    {
    if (watchdog_list_len > 0) {
#ifdef DEBUG
        os_printf("remove watchdog, id: %d\n", id);
#endif
        watchdog_list[watchdog_list_len].id = 0;
        watchdog_list[watchdog_list_len].type = NOT_ENABLED;
        watchdog_list[watchdog_list_len].timeout = 0;
        watchdog_list_len--;
        return true;
    }
    else {
#ifdef DEBUG
        os_printf("watchdog error, cant remove %d\n", id);
#endif
        return false;
    }
}

reset_watchdog()

ICACHE_FLASH_ATTR void reset_watchdog

(

uint32_t

id

)

Definition at line 194 of file watchdog.c.

References get_uptime(), watchdog_t::last_reset, os_printf, and WATCHDOG_MAX.

                                                   {
    uint32_t i;
    
#ifdef DEBUG
    os_printf("reset watchdog, id: %d\n", id);
#endif          
    for (i = 0; i < WATCHDOG_MAX; i++) {
        if (watchdog_list[i].id == id) {
            watchdog_list[i].last_reset = get_uptime();
        }
    }
}

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start_watchdog()

ICACHE_FLASH_ATTR void start_watchdog

(

)

Definition at line 130 of file watchdog.c.

References ext_watchdog_timer, ext_watchdog_timer_func(), gpio16_output_conf(), gpio16_output_set(), NULL, os_printf, os_timer_arm, os_timer_disarm, os_timer_func_t, os_timer_setfn, watchdog_timer, and watchdog_timer_func().

                                        {
#ifdef DEBUG
    os_printf("watchdog started\n");
#endif
    // start configurable software watchdog system
    os_timer_disarm(&watchdog_timer);
    os_timer_setfn(&watchdog_timer, (os_timer_func_t *)watchdog_timer_func, NULL);
    os_timer_arm(&watchdog_timer, 1000, 1);

    // start extern watchdog timer  (MCP1316)
    os_timer_disarm(&ext_watchdog_timer);
    os_timer_setfn(&ext_watchdog_timer, (os_timer_func_t *)ext_watchdog_timer_func, NULL);
    os_timer_arm(&ext_watchdog_timer, 1000, 1);
    //Set GPIO16 to output mode
    gpio16_output_conf();
    gpio16_output_set(1);   
}

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stop_watchdog()

ICACHE_FLASH_ATTR void stop_watchdog

(

)

Definition at line 148 of file watchdog.c.

References ext_watchdog_timer, os_printf, and os_timer_disarm.

                                       {
#ifdef DEBUG
    os_printf("watchdog stopped\n");
#endif
    os_timer_disarm(&ext_watchdog_timer);
}