Exemplo n.º 1
0
        public override bool ParseResponse(byte[] buffer)
        {
            if (!IsResponseOK(buffer))
            {
                return(false);
            }

            // verify command Id
            int offset = GetZclCommandIdOffset(ref buffer);

            if (COMMAND_ID_DISCOVER_ATTRIBUTES_RESPONSE != buffer[offset])
            {
                return(false);
            }

            // parse ZCL payload
            offset = GetZclPayloadOffset(ref buffer);

            // set discovery complete status
            m_discoveryCompleted = Convert.ToBoolean(buffer[offset]);
            offset++;

            while (offset < buffer.Length)
            {
                UInt16 id = AdapterHelper.UInt16FromZigBeeFrame(buffer, offset);
                m_attributeIdList.Add(id);
                offset += sizeof(UInt16);
                // skip type
                offset++;
            }

            return(true);
        }
Exemplo n.º 2
0
        public override bool ParseResponse(byte[] buffer)
        {
            UInt16 networkAddress;
            UInt64 macAddress;

            if (!IsResponseOK(buffer))
            {
                return(false);
            }

            // verify network address matches with payload (requested network address)
            int offset = GetZdoPayloadOffset();

            // skip 1st byte (ZDO command ref)
            offset++;

            // get network and Mac address
            networkAddress = AdapterHelper.UInt16FromZigBeeFrame(buffer, offset);
            offset        += sizeof(UInt16);
            macAddress     = AdapterHelper.UInt64FromZigBeeFrame(buffer, offset);

            // ignore capability (last byte)

            if (null != OnReception)
            {
                // execute notification callback asynchronously
                // can't determine is device is an end device from DeviceAnnce => assume it is one by default
                Task.Run(() => { OnReception(networkAddress, macAddress, true); });
            }

            return(true);
        }
Exemplo n.º 3
0
        public override bool ParseResponse(byte[] buffer)
        {
            m_status = ZclHelper.ZCL_ERROR_FAILURE;

            if (!IsResponseOK(buffer))
            {
                return(false);
            }

            // verify command Id
            int offset = GetZclCommandIdOffset(ref buffer);

            if (COMMAND_ID_READ_ATTRIBUTE_RESPONSE != buffer[offset])
            {
                return(false);
            }

            // parse ZCL payload
            offset = GetZclPayloadOffset(ref buffer);

            // check attribute Id
            UInt16 id = AdapterHelper.UInt16FromZigBeeFrame(buffer, offset);

            if (id != m_Id)
            {
                return(false);
            }

            offset += sizeof(UInt16);

            // check status
            m_status = buffer[offset];
            if (m_status != ZclHelper.ZCL_ERROR_SUCCESS)
            {
                return(false);
            }

            offset += ZIGBEE_STATUS_LENGTH;

            // set data
            bool   retValue = false;
            object value    = null;

            // from ZCL command payload
            // - 1st byte indicates the type
            // - following byte(s) contain the value
            byte type = buffer[offset];

            offset    += sizeof(byte);
            retValue   = ZclHelper.GetValue(type, ref buffer, ref offset, out value);
            Value.Data = value;

            return(retValue);
        }
Exemplo n.º 4
0
        public override bool ParseResponse(byte[] buffer)
        {
            if (!IsResponseOK(buffer))
            {
                return(false);
            }

            // get number of neighbor
            int offset = GetZdoPayloadOffset();

            m_nbOfNeighbors = Convert.ToInt32(buffer[offset]);
            if (m_nbOfNeighbors == 0)
            {
                return(true);
            }

            // get start index and count in neighbor list
            offset++;
            int startIndex    = Convert.ToInt32(buffer[offset]);
            int neighborCount = Convert.ToInt32(buffer[offset + 1]);

            // get neighbors from table
            offset += 2;
            for (int index = 0; index < neighborCount; index++)
            {
                // get mac address and network address from neighbor table entry
                DeviceDescriptor descriptor = new DeviceDescriptor();
                descriptor.networkAddress = AdapterHelper.UInt16FromZigBeeFrame(buffer, offset + NEIGHBOR_TABLE_ENTRY_NETWORK_ADDRESS_OFFSET);
                descriptor.macAddress     = AdapterHelper.UInt64FromZigBeeFrame(buffer, offset + NEIGHBOR_TABLE_ENTRY_MAC_ADDRESS_OFFSET);
                byte deviceType = buffer[offset + NEIGHBOR_TABLE_ENTRY_DEVICE_TYPE_OFFSET];
                descriptor.isEndDevice = ((deviceType & NEIGHBOR_TABLE_ENTRY_DEVICE_TYPE_MASK) == END_DEVICE_TYPE);

                // add device descriptor in device list
                m_neighborList.Add(descriptor);

                // set offset of next entry
                offset += SIZEOF_NEIGHBOR_TABLE_ENTRY;
            }

            return(true);
        }
Exemplo n.º 5
0
        public override bool ParseResponse(byte[] buffer)
        {
            if (!IsResponseOK(buffer))
            {
                return(false);
            }

            // verify network address matches with requested network address (1st part of payload)
            int offset = GetZdoPayloadOffset();

            for (int index = 0; index < AdapterHelper.NETWORK_ADDRESS_LENGTH; index++)
            {
                if (m_payload[index] != buffer[offset + index])
                {
                    return(false);
                }
            }

            // get descriptor size
            offset += AdapterHelper.NETWORK_ADDRESS_LENGTH;
            int descriptorSize = Convert.ToInt32(buffer[offset]);

            if (descriptorSize < MIN_DESCRIPTOR_SIZE)
            {
                // "empty" or no descriptor => no info
                return(false);
            }

            // verify end point Id matches with requested end point Id (2nd part of payload)
            offset++;
            if (m_payload[AdapterHelper.NETWORK_ADDRESS_LENGTH] != buffer[offset])
            {
                return(false);
            }

            // get profile Id and device Id
            offset++;
            m_profileId = AdapterHelper.UInt16FromZigBeeFrame(buffer, offset);
            offset     += sizeof(UInt16);
            m_deviceId  = AdapterHelper.UInt16FromZigBeeFrame(buffer, offset);
            offset     += sizeof(UInt16);

            // skip next byte
            offset++;

            // get nb of in clusters (1 byte converted to int)
            int nbOfInClusters = Convert.ToInt32(buffer[offset]);

            // get id of in clusters
            offset++;
            for (int index = 0; index < nbOfInClusters; index++)
            {
                UInt16 tempVal = AdapterHelper.UInt16FromZigBeeFrame(buffer, offset);
                m_inClusterList.Add(tempVal);
                offset += sizeof(UInt16);
            }

            // get nb of out clusters (1 byte converted to int)
            int nbOfOutClusters = Convert.ToInt32(buffer[offset]);

            // get id of out clusters
            offset++;
            for (int index = 0; index < nbOfOutClusters; index++)
            {
                UInt16 tempVal = AdapterHelper.UInt16FromZigBeeFrame(buffer, offset);
                m_outClusterList.Add(tempVal);
                offset += sizeof(UInt16);
            }

            return(true);
        }
Exemplo n.º 6
0
        public override bool ParseResponse(byte[] buffer)
        {
            SOURCE_INFO sourceInfo = new SOURCE_INFO();

            // verify command Id
            int offset = GetZclCommandIdOffset(ref buffer);

            if (COMMAND_ID_REPORT_ATTRIBUTES != buffer[offset])
            {
                return(false);
            }

            if (OnReception == null)
            {
                // can't signal anything
                // however this is not an error => return true
                return(true);
            }

            // get Mac address, network address, endpoint Id and cluster Id of source
            offset = 0;
            sourceInfo.macAddress = AdapterHelper.UInt64FromXbeeFrame(buffer, offset);
            offset = AdapterHelper.MAC_ADDR_LENGTH;

            sourceInfo.networkAddress = AdapterHelper.UInt16FromXbeeFrame(buffer, offset);
            offset += AdapterHelper.NETWORK_ADDRESS_LENGTH;

            sourceInfo.endpointId = buffer[offset];
            offset++;

            // skip destination end point
            offset++;

            sourceInfo.clusterId = AdapterHelper.UInt16FromXbeeFrame(buffer, offset);

            // parse ZCL payload
            offset = GetZclPayloadOffset(ref buffer);
            while (offset < buffer.Length)
            {
                object value = null;

                // from ZCL report attribute payload
                // - 1st byte is the attribute Id
                // - 2nd byte indicates the type
                // - following byte(s) contain the value
                UInt16 attributeId = AdapterHelper.UInt16FromZigBeeFrame(buffer, offset);
                offset += sizeof(UInt16);
                byte type = buffer[offset];
                offset += sizeof(byte);
                if (!ZclHelper.GetValue(type, ref buffer, ref offset, out value))
                {
                    // give up if attribute can't be retrieved
                    break;
                }

                // execute notification callback asynchronously
                Task.Run(() => { OnReception(sourceInfo, attributeId, value); });
            }

            return(true);
        }
Exemplo n.º 7
0
        public static bool GetValue(byte type, ref byte[] buffer, ref int offset, out object value)
        {
            value = null;

            switch (type)
            {
            case BOOLEAN_TYPE:
            {
                if (buffer.Length >= offset + sizeof(bool))
                {
                    bool tempVal = Convert.ToBoolean(buffer[offset]);
                    value   = tempVal;
                    offset += sizeof(bool);
                }
            }
            break;

            case CHAR_STRING_TYPE:
            {
                if (buffer.Length >= offset + sizeof(byte))
                {
                    int length = Convert.ToInt32(buffer[offset]);
                    if (length != 0 &&
                        buffer.Length >= (offset + (length + 1) * sizeof(byte)))
                    {
                        offset += sizeof(byte);
                        String tempVal = Encoding.UTF8.GetString(buffer, offset, length);
                        value   = tempVal;
                        offset += (length + 1) * sizeof(byte);
                    }
                }
            }
            break;

            case INT8_TYPE:
            {
                if (buffer.Length >= offset + sizeof(sbyte))
                {
                    sbyte tempVal = (sbyte)buffer[offset];
                    value   = tempVal;
                    offset += sizeof(sbyte);
                }
            }
            break;

            case ENUMERATION_8_BIT_TYPE:            // expected fall through
            case BITMAP_8_BIT_TYPE:                 // expected fall through
            case UINT8_TYPE:
            {
                if (buffer.Length >= offset + sizeof(byte))
                {
                    byte tempVal = buffer[offset];
                    value   = tempVal;
                    offset += sizeof(byte);
                }
            }
            break;

            case INT16_TYPE:
            {
                if (buffer.Length >= offset + sizeof(Int16))
                {
                    value   = AdapterHelper.Int16FromZigBeeFrame(buffer, offset);
                    offset += sizeof(Int16);
                }
            }
            break;

            case ENUMERATION_16_BIT_TYPE:            // expected fall through
            case BITMAP_16_BIT_TYPE:                 // expected fall through
            case UINT16_TYPE:
            {
                if (buffer.Length >= offset + sizeof(UInt16))
                {
                    value   = AdapterHelper.UInt16FromZigBeeFrame(buffer, offset);
                    offset += sizeof(UInt16);
                }
            }
            break;

            case INT32_TYPE:
            {
                if (buffer.Length >= offset + sizeof(Int32))
                {
                    value   = AdapterHelper.Int32FromZigBeeFrame(buffer, offset);
                    offset += sizeof(Int32);
                }
            }
            break;

            case UINT32_TYPE:
            {
                if (buffer.Length >= offset + sizeof(UInt32))
                {
                    value   = AdapterHelper.UInt32FromZigBeeFrame(buffer, offset);
                    offset += sizeof(UInt32);
                }
            }
            break;

            case IEEE_ADDRESS_TYPE:
            {
                if (buffer.Length >= offset + sizeof(UInt64))
                {
                    value   = AdapterHelper.UInt64FromZigBeeFrame(buffer, offset);
                    offset += sizeof(UInt64);
                }
            }
            break;
            }

            if (value != null)
            {
                return(true);
            }
            else
            {
                return(false);
            }
        }