public int Device_Read_Property(ref Byte[] apdu, ref BACnet_Read_Property_Data rpdata, int pos)
{
int len = 0;
BACNET_APPLICATION_DATA_VALUE value = new BACNET_APPLICATION_DATA_VALUE();
value.context_specific = false;
switch (rpdata.object_property)
{
case BACNET_PROPERTY_ID.PROP_LIFT_Car_Direction:
{
value.tag = 2;
value.value.Unsigned_Int = Form_main.true_lift.Car_Direction;
break;
}
case BACNET_PROPERTY_ID.PROP_LIFT_Car_Position:
{
value.tag = 2;
value.value.Unsigned_Int = 4;
break;
}
case BACNET_PROPERTY_ID.PROP_LIFT_Device_Identifer:
{
value.tag = (Byte)BACNET_APPLICATION_TAG.BACNET_APPLICATION_TAG_CHARACTER_STRING;
for (int i = 0; i < Form_main.lift_count; i++)
{
if (Form_main.lift_list[i].Object_Identifier.instance == rpdata.object_instance)
{
String result = Form_main.lift_list[i].Identification_Number;
value.value.Character_String = new BACNET_CHARACTER_STRING(result.Length);
value.value.Character_String.size = (uint)result.Length;
value.value.Character_String.encoding = 1;
value.value.Character_String.value = result.ToCharArray();
}
}
break;
}
}
len = BasicalProcessor.Encode_Application_Data(ref apdu, ref value, pos);
//此处读出属性 加打入编码app类型和值
//X
// uint 61
return(len);
}
public void Read_Property_Ack_Handler(ref Byte[] request, UInt16 request_len, ref BACNET_ADDRESS src, ref BACNET_CONFIRMED_SERVICE_ACK_DATA service_data)
{
int len = 0;
BACnet_Read_Property_Data data = new BACnet_Read_Property_Data();
len = Decode_Ack_Service_Request(ref request, request_len, ref data);
BACNET_APPLICATION_DATA_VALUE value = new BACNET_APPLICATION_DATA_VALUE();
BasicalProcessor.Decode_Application_Data(ref request, (uint)data.application_data_len, ref value, data.application_data_pos);
MessageBox.Show(value.value.Unsigned_Int.ToString(), data.object_property.ToString());
// if (len > 0)
// rp_ack_print_data(ref data);
//此处添加对读取到的data的处理
}
public static int Encode_Application_Data(ref Byte[] apdu, ref BACNET_APPLICATION_DATA_VALUE value, int pos)
{
int apdu_len = 0;
switch (value.tag)
{
case (Byte)BACNET_APPLICATION_TAG.BACNET_APPLICATION_TAG_UNSIGNED_INT:
{
apdu_len = BasicalProcessor.Encode_Unsigned(ref apdu, value.value.Unsigned_Int, pos + 1);
apdu_len += BasicalProcessor.Encode_Tag(ref apdu, (Byte)BACNET_APPLICATION_TAG.BACNET_APPLICATION_TAG_UNSIGNED_INT, false, (uint)apdu_len, pos);
break;
}
case (Byte)BACNET_APPLICATION_TAG.BACNET_APPLICATION_TAG_BOOLEAN:
{
apdu_len += BasicalProcessor.Encode_Application_Boolbean(ref apdu, value.value.Boolean, pos);
break;
}
case (Byte)BACNET_APPLICATION_TAG.BACNET_APPLICATION_TAG_DATE:
{
apdu_len = BasicalProcessor.Encode_Application_Date(ref apdu, ref value.value.Date, pos);
break;
}
case (Byte)BACNET_APPLICATION_TAG.BACNET_APPLICATION_TAG_TIME:
{
apdu_len = BasicalProcessor.Encode_Application_Time(ref apdu, ref value.value.Time, pos);
break;
}
case (Byte)BACNET_APPLICATION_TAG.BACNET_APPLICATION_TAG_CHARACTER_STRING:
{
apdu_len = BasicalProcessor.Encode_Application_Character_String(ref apdu, ref value.value.Character_String, pos);
break;
}
}
return(apdu_len);
}
public static int Decode_Data(ref Byte[] apdu, Byte tag_data_type, UInt32 len_value_type, ref BACNET_APPLICATION_DATA_VALUE value, int pos)
{
int len = 0;
switch (tag_data_type)
{
case (Byte)BACNET_APPLICATION_TAG.BACNET_APPLICATION_TAG_NULL:
break;
case (Byte)BACNET_APPLICATION_TAG.BACNET_APPLICATION_TAG_BOOLEAN:
value.value.Boolean = Decode_Boolean(len_value_type);
break;
case (Byte)BACNET_APPLICATION_TAG.BACNET_APPLICATION_TAG_UNSIGNED_INT:
len = Decode_Unsigned(ref apdu, len_value_type, ref value.value.Unsigned_Int, pos);
break;
case (Byte)BACNET_APPLICATION_TAG.BACNET_APPLICATION_TAG_SIGNED_INT:
len = Decode_Signed(ref apdu, len_value_type, ref value.value.Signed_Int, pos);
break;
case (Byte)BACNET_APPLICATION_TAG.BACNET_APPLICATION_TAG_REAL:
break;
case (Byte)BACNET_APPLICATION_TAG.BACNET_APPLICATION_TAG_DOUBLE:
break;
case (Byte)BACNET_APPLICATION_TAG.BACNET_APPLICATION_TAG_OCTET_STRING:
break;
case (Byte)BACNET_APPLICATION_TAG.BACNET_APPLICATION_TAG_CHARACTER_STRING:
break;
case (Byte)BACNET_APPLICATION_TAG.BACNET_APPLICATION_TAG_BIT_STRING:
break;
case (Byte)BACNET_APPLICATION_TAG.BACNET_APPLICATION_TAG_ENUMERATED:
break;
case (Byte)BACNET_APPLICATION_TAG.BACNET_APPLICATION_TAG_DATE:
len = Decode_Date(ref apdu, ref value.value.Date, pos);
break;
case (Byte)BACNET_APPLICATION_TAG.BACNET_APPLICATION_TAG_TIME:
len = Decode_Time(ref apdu, ref value.value.Time, pos);
break;
case (Byte)BACNET_APPLICATION_TAG.BACNET_APPLICATION_TAG_OBJECT_ID:
break;
}
if (len == 0 && tag_data_type != (Byte)BACNET_APPLICATION_TAG.BACNET_APPLICATION_TAG_NULL &&
tag_data_type != (Byte)BACNET_APPLICATION_TAG.BACNET_APPLICATION_TAG_BOOLEAN)
{
/* indicate that we were not able to decode the value */
value.tag = (Byte)BACNET_APPLICATION_TAG.MAX_BACNET_APPLICATION_TAG;
}
return(len);
}
public static int Decode_Application_Data(ref Byte[] apdu, uint max_apdu_len, ref BACNET_APPLICATION_DATA_VALUE value, int pos)
{
int len = 0;
int tag_len = 0;
int decode_len = 0;
Byte tag_number = 0;
UInt32 len_value_type = 0;
// if (apdu && value && !IS_CONTEXT_SPECIFIC(*apdu))
value.context_specific = false;
tag_len = BasicalProcessor.Decode_Tag_number_and_Value(ref apdu, ref tag_number, ref len_value_type, pos);
len += tag_len;
value.tag = tag_number;
decode_len = BasicalProcessor.Decode_Data(ref apdu, tag_number, len_value_type, ref value, pos + len);
// if (value->tag != MAX_BACNET_APPLICATION_TAG)
len += decode_len;
value.next = null;
return(len);
}