void wdt_enable(void)
{
	RCC -> CSR = RCC -> CSR | 0x00000001; //Enable LSI Clock
	while((RCC -> CSR & 0x02)==0)
	{ 
		//add timeout code here
	}
	IWDG -> KR = 0x0000CCCC; //Enable IWDG
	IWDG -> KR = 0x00005555; //Enable register access
	IWDG -> PR = 0x010; //Set Prescaler /16
	IWDG -> RLR = 0xFFF; //Set Reload Value for 2.048 seconds
	while(IWDG -> SR) //Check if flags are reset
	{ 
		//add timeout code here
	}
	IWDG -> KR = 0x0000AAAA; //Refresh the counter
}