oleg110592 (10.06.2014 11:28, просмотров: 96) ответил bp на Куда смотреть если не запускается IWDG у STM32F030 ?
а пример от производителя тоже не работает? __INLINE void Configure_IWDG(void)
{
/* Enable the peripheral clock RTC */
/* (1) Enable the LSI */
/* (2) Wait while it is not ready */
RCC->CSR |= RCC_CSR_LSION; /* (1) */
while((RCC->CSR & RCC_CSR_LSIRDY) != RCC_CSR_LSIRDY) /* (2) */
{
/* add time out here for a robust application */
}
/* Enable the peripheral clock of DBG register (uncomment for debug purpose) */
// RCC->APB2ENR |= RCC_APB2ENR_DBGMCUEN;
// DBGMCU->APB1FZ |= DBGMCU_APB1_FZ_DBG_IWDG_STOP; /* To be able to debug */
/* Configure IWDG */
/* (1) Activate IWDG (not needed if done in option bytes) */
/* (2) Enable write access to IWDG registers */
/* (3) Set prescaler by 8 */
/* (4) Set reload value to have a rollover each 100ms */
/* (5) Check if flags are reset */
/* (6) Refresh counter */
IWDG->KR = IWDG_START; /* (1) */
IWDG->KR = IWDG_WRITE_ACCESS; /* (2) */
IWDG->PR = IWDG_PR_PR_0; /* (3) */
IWDG->RLR = IWDG_RELOAD; /* (4) */
while(IWDG->SR) /* (5) */
{
/* add time out here for a robust application */
}
IWDG->KR = IWDG_REFRESH; /* (6) */
}