AliOS Things API HAL SOC WDG Guide

API INDEX

• 1 hal_wdg_init
• 2 hal_wdg_reload
• 3 hal_wdg_finalize

---

1-hal_wdg_init

int32_t hal_wdg_init(wdg_dev_t *wdg)

• Description

  This function will initialize the on board CPU hardware watch dog

• Parameters

  IN/OUT	NAME	DESC
  [in]	wdg	the watch dog device

• Returns

  0 : on success, EIO : if an error occurred with any step

2-hal_wdg_reload

void hal_wdg_reload(wdg_dev_t *wdg)

• Description

  Reload watchdog counter.

• Parameters

  IN/OUT	NAME	DESC
  [in]	wdg	the watch dog device

• Returns

  None.

3-hal_wdg_finalize

int32_t hal_wdg_finalize(wdg_dev_t *wdg)

• Description

  This function performs any platform-specific cleanup needed for hardware watch dog.

• Parameters

  IN/OUT	NAME	DESC
  [in]	wdg	the watch dog device

• Returns

  0 : on success, EIO : if an error occurred with any step