UM0097 datasheet(96/229 Pages) STMICROELECTRONICS

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Peripheral firmware overview

UM0097

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3.8.2

Firmware library functions

Table 44 enumerates the different functions of the WDG library.

WDG_Enable

Example:

This example illustrates how to enable Watchdog mode:

{

...

/* Enable the watchdog mode */

WDG_Enable ();

...

}

Table 44.

WDG library functions

Function Name

Description

WDG_Enable

Enable Watchdog Mode

WDG_CntRefresh

Refresh and update the WDG counter to avoid a system reset

WDG_PrescalerConfig

Set the counter prescaler value. Divide the counter clock by (Prescaler

+ 1)

WDG_CntReloadUpdate

Update the counter pre-load value

WDG_PeriodValueConfig

Set the prescaler and counter reload value based on the time needed

WDG_CntOnOffConfig

Start or stop the free auto-reload timer to countdown

WDG_ECITConfig

Enable or Disable the end of count interrupt

WDG_ECFlagClear

Clear the end of count flag

WDG_ECStatus

Return the end of count status.

Function Name

WDG_Enable

Function Prototype

void WDG_Enable ( void );

Behavior Description

This routine is used to enable Watchdog mode.

Input Parameter

None

Output Parameter

None

Return Value

None

Required preconditions

None

Called Functions

None

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