private void RC_MASK(ref RATIO_CNTR rc)
{
rc.val &= (((ulong)1 << 20) - 1);
}
private uint RC_GET_VAL(ref RATIO_CNTR rc)
{
return((uint)(rc.val >> 20));
}
private void RC_RESET_PRESTEP(ref RATIO_CNTR rc)
{
rc.val = ((ulong)1 << 20) - rc.inc;
}
private void RC_RESET(ref RATIO_CNTR rc)
{
rc.val = 0;
}
private void RC_STEP(ref RATIO_CNTR rc)
{
rc.val += rc.inc;
}
//RATIO_CNTR;
private void RC_SET_RATIO(ref RATIO_CNTR rc, uint mul, uint div)
{
rc.inc = (ulong)((((ulong)mul << 20) + div / 2) / div); //RC_SHIFT=20
}