/*
* int32_t rtc_write(int32_t fd,void * buff,int32_t num_bytes);
* Inputs: a file descriptor a buffer that contains the new refresh rate and num bytes which is 4 since its an int
* Return Value: 0 if sucessfull -1 if failed (not a power of 2 or too fast)
* Function: Waits until an rtc interrupt occurs to return.
*/
int32_t rtc_write(int32_t fd,int32_t buff,int32_t num_bytes){
if (!is_power((unsigned int)buff))
{
return -1;
}
refreshrate=prock((int)buff)/*/(int32_t)TWOHZRATE*/;
if (refreshrate==-1)
{
return refreshrate;
}
rtc_init();
return 0;
}
int main(){
int array[] = {37, 23, 2, 0, 64, 46, 1024};
for(int i=0;i<sizeof(array)/sizeof(array[0]);i++){
printf("%d --> ", array[i] );
if(is_power(array[i]))
printf("YES");
else
printf("NO");
printf("\n");
}
return 0;
}
