/**
* Setup the external reset length. The length is asserted during a time of
* pow(2, powl+1) Slow Clock(32KHz). The duration is between 60us and 2s.
* \param powl Power length defined.
*/
void RSTC_SetExtResetLength(uint8_t powl)
{
Rstc *pHw = RSTC;
uint32_t mr = pHw->RSTC_MR;
mr &= ~(RSTC_MR_KEY_Msk | RSTC_MR_ERSTL_Msk);
mr |= RSTC_MR_ERSTL(powl);
pHw->RSTC_MR = mr | RSTC_KEY_PASSWORD;
}
/**
* \brief Set external reset length.
*
* \param p_rstc Pointer to an RSTC instance.
* \param ul_length The length of external reset.
*/
void rstc_set_external_reset(Rstc *p_rstc, const uint32_t ul_length)
{
uint32_t mode = p_rstc->RSTC_MR;
mode &= ~(RSTC_MR_ERSTL_Msk | RSTC_MR_KEY_Msk);
mode |= (RSTC_MR_ERSTL(ul_length) | RSTC_KEY);
p_rstc->RSTC_MR = mode;
}