OBD_BleBox/BleCanBoxCode/NRF51802/examples/ble_peripheral/ble_app_z5x/wdg.c

#include <stdio.h>
#include "nrf.h"
#include "nrf_drv_wdt.h"
#include "app_error.h"
#include "wdg.h"
#include "nrf_drv_clock.h"
#include "app_util_platform.h"
#include "app_timer.h"

#include "timer.h"

#define  WDT_RELOAD_TIME         5000
#define  WDT_FEED_INTERVAL       2000

static nrf_drv_wdt_channel_id m_channel_id;

static void wdt_event_handler(void)
{
}

static void watchdog_feed_timer_callback(void)
{
    nrf_drv_wdt_channel_feed(m_channel_id);
}

void wdg_feed(void)
{
    timer_register(watchdog_feed_timer_callback, WDT_FEED_INTERVAL);
}

void wdg_init(void)
{
    ret_code_t err_code;
    nrf_drv_wdt_config_t config = NRF_DRV_WDT_DEAFULT_CONFIG;
    config.reload_value = WDT_RELOAD_TIME;
    err_code = nrf_drv_wdt_init(&config, wdt_event_handler);
    APP_ERROR_CHECK(err_code);
    err_code = nrf_drv_wdt_channel_alloc(&m_channel_id);
    APP_ERROR_CHECK(err_code);
    nrf_drv_wdt_enable();
}