public async Task <StatusReadResult> TryReadStatusAsync(DeviceOperationScope scope, AsyncOperationInfo cancellation)
{
await ThreadingUtils.ContinueAtThreadPull(cancellation);
using (Logger.Indent)
{
Logger.LogInfo(null, $"Чтение статуса прибора \"{Name}\"...");
var result = await ReadAsync(Command.STATUS, scope, cancellation);
if (result.Status == ReadStatus.OK)
{
var flagsEntity = result.Entities.ElementAt(0);
var numOfStatusBits = flagsEntity.Descriptor.Length.Length * 8;
var flags = (uint)(dynamic)flagsEntity.Value;
var serial = (ushort)result.Entities.ElementAt(1).Value;
var status = new DeviceStatusInfo.StatusInfo(numOfStatusBits, flags);
Logger.LogInfo(null, $"Статус: {status.ToBinString()}");
return(new StatusReadResult(result, new DeviceStatusInfo(Id, serial, status)));
}
else
{
return(new StatusReadResult(result, null));
}
}
}
public override async Task <ReadResult> ReadAsync(Command request, DeviceOperationScope scope, AsyncOperationInfo cancellation)
{
var result = await base.ReadAsync(request, scope, cancellation);
if (result.Status == ReadStatus.OK)
{
var statusField = result.Entities
?.Where(e => e.Descriptor.Name == STATUS_MNEMONIC)
?.FirstOrDefault()
?.Value;
if (statusField != null && statusField.GetType().IsOneOf(typeof(ushort), typeof(uint)))
{
var size = Marshal.SizeOf(statusField) * 8;
var bits = Convert.ChangeType(statusField, TypeCode.UInt32).To <uint>();
var statusBitsInfo = new DeviceStatusInfo.StatusInfo(size, bits);
var statusInfo = new DeviceStatusInfo(Id, null, statusBitsInfo);
_feature.FireStatusAcquired(statusInfo);
}
}
return(result);
}
