/*********************************************************************//**
* @brief Configure the WatchDog by initialization all the timing
* value for register (Warning value, Window value,...)
*
* @param wdtCfg a the st_Wdt_Config type value
*
* @return None
**********************************************************************/
void WWDT_Configure(st_Wdt_Config wdtCfg)
{
WWDT_SetTimeOut(wdtCfg.wdtTmrConst);
if(wdtCfg.wdtEnable)
{
LPC_WDT->MOD |= WWDT_WDMOD_WDEN;
}
else
{
LPC_WDT->MOD &= ~WWDT_WDMOD_WDEN;
}
if(wdtCfg.wdtReset)
{
LPC_WDT->MOD |= WWDT_WDMOD_WDRESET;
}
else
{
LPC_WDT->MOD &= ~WWDT_WDMOD_WDRESET;
}
if(wdtCfg.wdtProtect)
{
LPC_WDT->MOD |= WWDT_WDMOD_WDPROTECT;
}
else
{
LPC_WDT->MOD &= ~WWDT_WDMOD_WDPROTECT;
}
WWDT_SetWarning(wdtCfg.wdtWarningVal);
WWDT_SetWindow(wdtCfg.wdtWindowVal);
}
/*********************************************************************//**
* @brief Start WatchDog with specific Timeout
*
* @param TimeOut specific Timeout for WatchDog event
*
* @return WWDT_FUNC_OK if success
**********************************************************************/
int8_t WWDT_Start(uint32_t TimeOut)
{
int8_t retval = WWDT_FUNC_OK;
retval = WWDT_SetTimeOut(TimeOut);
WWDT_Cmd(ENABLE);
return retval;
}
/********************************************************************//**
* @brief Update WDT timeout value and feed
* @param[in] TimeOut TimeOut value to be updated, should be in range:
* 2048 .. 134217728
* @return None
*********************************************************************/
void WDT_UpdateTimeOut(uint32_t TimeOut)
{
/* check WDPROTECT,
* if it is enable, wait until the counter is below the value of
* WDWARNINT and WDWINDOW
*/
if(LPC_WWDT->MOD & (1<<4))
{
while((LPC_WWDT->TV <(LPC_WWDT->WARNINT & WWDT_WDWARNINT_MASK))\
&&(LPC_WWDT->TV <(LPC_WWDT->WINDOW & WWDT_WDTC_MASK)));
}
WWDT_SetTimeOut(TimeOut);
}
/*********************************************************************//**
* @brief Enable/Disable WWDT activity
* @param[in] None
* @return None
**********************************************************************/
void WWDT_Configure(st_Wdt_Config wdtCfg)
{
WWDT_SetTimeOut(wdtCfg.wdtTmrConst);
if(wdtCfg.wdtReset)
{
LPC_WWDT->MOD |= WWDT_WDMOD_WDRESET;
}
else
{
LPC_WWDT->MOD &= ~WWDT_WDMOD_WDRESET;
}
if(wdtCfg.wdtProtect)
{
LPC_WWDT->MOD |= WWDT_WDMOD_WDPROTECT;
}
else
{
LPC_WWDT->MOD &= ~WWDT_WDMOD_WDPROTECT;
}
}
/*********************************************************************//**
* @brief Initial for Watchdog function by setting timeout
*
* @param[in] TimeOut time out value, should be in range:
* 2048 .. 134217728
*
* @return WWDT_FUNC_OK if success
**********************************************************************/
int8_t WWDT_Init(uint32_t TimeOut)
{
return WWDT_SetTimeOut(TimeOut);
}
