public async Task <IQueryResult <ushort[]> > ReadHoldingResgistersAsync(ushort startAddress, ushort numberOfPoints,
string dataTitle)
{
if (IsConnectionLost)
{
_lastQuerySucceed = false;
TransactionCompleteSubscription?.Execute();
_currentDeviceLogger.LogFailedQuery("pup");
return(new DefaultQueryResult <ushort[]>()
{
IsSuccessful = false
});
}
await Task.Delay(1);
PopulateMemoryIfNeeded(startAddress, numberOfPoints);
_lastQuerySucceed = true;
TransactionCompleteSubscription?.Execute();
return(new DefaultQueryResult <ushort[]>()
{
IsSuccessful = true,
Result = MemorySlotDictionary
.Where((pair) => startAddress <= pair.Key && pair.Key <= (startAddress + numberOfPoints - 1))
.OrderBy(pair => pair.Key).Select((pair) => pair.Value)
.ToArray()
});
}
private void PopulateMemoryIfNeeded(ushort address, ushort numberOfPoints)
{
for (ushort i = address; i < address + numberOfPoints; i++)
{
if (!MemorySlotDictionary.ContainsKey(i))
{
try
{
MemorySlotDictionary.Add(i, 0);
}
catch (Exception e)
{
}
}
}
}
