private int HowManyRequestsToTheRegister(SVDRegister register, int sizeInBytes, ulong offset, ulong tmpOffset)
{
var registerLastAddress = register.Address + register.SizeInBytes - 1;
var lastReadingAddress = offset + checked((ulong)sizeInBytes) - 1;
var diff = (int)(registerLastAddress - lastReadingAddress);
int howManyTimes = (int)(registerLastAddress - tmpOffset + 1) - (diff > 0 ? diff : 0);
return howManyTimes;
}
public void MergeWithRegister(SVDRegister register)
{
Name = Name + "|" + register.Name;
Access |= register.Access;
if (!HasReadAccess && register.HasReadAccess)
{
ResetValue = register.ResetValue;
}
}
private void ScanRegister(XElement node, RegisterSettings defaultRegisterSettings, SVDPeripheral peripheral)
{
var address = CalculateOffset(
defaultRegisterSettings.Address,
GetAddressOffset(node)
);
var newRegisterSettings = GetRegisterSettings(node, defaultRegisterSettings, address);
var name = GetMandatoryField(node, "name");
var newRegister = new SVDRegister(node, name, newRegisterSettings, peripheral);
peripheral.Registers.Add(newRegister);
}
private void AppendRegisterToDictionary(SVDRegister register)
{
var bytes = register.SizeInBytes;
for(var i = 0u; i < bytes; i++)
{
var address = register.Address + i;
if(!registerDictionary.ContainsKey(address))
{
registerDictionary.Add(address, register);
}
else
{
// There is a posibility to set the same address for various registers.
// e.g. first register with a read-only permission access but second with a write-only.
registerDictionary[address].MergeWithRegister(register);
}
}
}
private bool HitInTheRegisterDictionary(out SVDRegister tmpRegister, ulong offset, int countOfBytes)
{
return(registerDictionary.TryGetValue(offset, out tmpRegister) && tmpRegister.Address == offset && tmpRegister.SizeInBytes == countOfBytes);
}
