public int Decode(byte[] buffer, int offset, uint count)
{
int len = 0;
len++; //ignore apptag time ?
len += ASN1.decode_bacnet_time(buffer, offset + len, out DateTime time);
Time = new BacnetGenericTime(time, BacnetTimestampTags.TIME_STAMP_TIME);
var tagLen = ASN1.decode_tag_number_and_value(buffer, offset + len, out BacnetApplicationTags tagNumber, out uint lenValueType);
if (tagLen > 0)
{
len += tagLen;
var decodeLen = ASN1.bacapp_decode_data(buffer, offset + len, offset + len + 1, tagNumber, lenValueType, out Value);
len += decodeLen;
}
else
{
Value = new BacnetValue(BacnetApplicationTags.BACNET_APPLICATION_TAG_NULL, null);
}
return(len);
}
private void ReadEffectiveWeeklySchedule()
{
Schedule.BeginUpdate();
Schedule.Nodes.Clear();
byte[] InOutBuffer = null;
try
{
// first gets the PROP_SCHEDULE_DEFAULT
IList <BacnetValue> valuedefault;
comm.ReadPropertyRequest(adr, schedule_id, BacnetPropertyIds.PROP_SCHEDULE_DEFAULT, out valuedefault);
if ((valuedefault != null) && (valuedefault.Count != 0) && (valuedefault[0].Tag != BacnetApplicationTags.BACNET_APPLICATION_TAG_NULL))
{
ScheduleType = valuedefault[0].Tag;
TxtScheduleDefault.Text = valuedefault[0].Value.ToString();
}
if (comm.RawEncodedDecodedPropertyConfirmedRequest(adr, schedule_id, BacnetPropertyIds.PROP_WEEKLY_SCHEDULE, BacnetConfirmedServices.SERVICE_CONFIRMED_READ_PROPERTY, ref InOutBuffer))
{
int offset = 0;
byte tag_number;
uint len_value_type;
// Tag 3
offset += ASN1.decode_tag_number(InOutBuffer, offset, out tag_number);
if (tag_number != 3)
{
return;
}
for (int i = 1; i < 8; i++)
{
TreeNode tday = null;
tday = new TreeNode("[" + (i - 1).ToString() + "] : " + System.Globalization.CultureInfo.InvariantCulture.DateTimeFormat.DayNames[i % 7], 0, 0);
Schedule.Nodes.Add(tday);
// Tag 0
offset += ASN1.decode_tag_number(InOutBuffer, offset, out tag_number);
while (!ASN1.IS_CLOSING_TAG(InOutBuffer[offset]))
{
BacnetValue value;
String s;
// Time
offset += ASN1.decode_tag_number_and_value(InOutBuffer, offset, out tag_number, out len_value_type);
offset += ASN1.bacapp_decode_data(InOutBuffer, offset, InOutBuffer.Length, (BacnetApplicationTags)tag_number, len_value_type, out value);
DateTime dt = (DateTime)value.Value;
// Value
offset += ASN1.decode_tag_number_and_value(InOutBuffer, offset, out tag_number, out len_value_type);
offset += ASN1.bacapp_decode_data(InOutBuffer, offset, InOutBuffer.Length, (BacnetApplicationTags)tag_number, len_value_type, out value);
if (value.Tag != BacnetApplicationTags.BACNET_APPLICATION_TAG_NULL)
{
s = dt.ToString("T") + " = " + Property.SerializeValue(value, value.Tag); // Second value is the ... value (Bool, Int, Uint, Float, double or null)
ScheduleType = value.Tag; // all type must be the same for a valid schedule (maybe, not sure !), so remember it
}
else
{
s = dt.ToString("T") + " = null";
}
tday.Nodes.Add(new TreeNode(s, 1, 1));
}
offset++;
}
offset += ASN1.decode_tag_number(InOutBuffer, offset, out tag_number);
if (tag_number != 3)
{
Schedule.Nodes.Clear();
}
}
}
catch { }
finally
{
Schedule.EndUpdate();
Schedule.Sort(); // Time entries are not necesserary sorted, so do it (that's also why days are assign to [0], .. [6])
Schedule.ExpandAll();
Schedule.LabelEdit = true;
}
}
