Difference between revisions of "Component: TCP/IP (W5500) (W5500) (Comms: Networking)"

Latest revision as of 08:59, 9 June 2025

Author	Matrix TSL
Version	1.0
Category	Comms: Networking

TCP/IP (W5500) component

TCP/IP component designed to work with the W5500 device used on the ETH WIZ Click

Detailed description

No detailed description exists yet for this component

Examples

HTTP Server

Simple example showing the W5500 component being used stand alone to create a web server.

W5500 Webserver

Network Comms

Here are some examples using the Network Communication component linked to the W5500 component.

NetworkComms W5500 Client

NetworkComms W5500 Webserver

Macro reference

CreateIPSocket

	CreateIPSocket
Note that sockets on up to 4 channels can be simultaneously opened and these channels are numbered 0 to 3. Note that sockets with different modes can be opened on different channels.
- BYTE	Channel
Specifies the communications channel 0-3
- BYTE	Protocol
Specifies which IP protocol to use
- BYTE	Broadcast
Allows broadcast type packets to be sent and received
- BYTE	Return

CreateMACSocket

	CreateMACSocket
This macro creates a socket for sending and receiving Ethernet data using raw data.
- BYTE	Promiscuous
Receive everything (1) or just data bound for your MAC (0)
- BYTE	Broadcast
Allows broadcast messages to be accepted (1) or rejected (0)
- BYTE	Error
Allowsmessages with errors to be accepted (1) or rejected (0)
- BYTE	Return

CreateTCPSocket

	CreateTCPSocket
This macro creates a socket for sending and receiving TCP data.
- BYTE	Channel
Specifies the communications channel 0-3
- UINT	Src_Port
Port Number
- BYTE	Return

CreateUDPSocket

	CreateUDPSocket
This macro creates a socket for sending and receiving UDP data.
- BYTE	Channel
Specifies the communications channel 0-3
- UINT	Src_Port
Port Number
- BYTE	Return

GetSocketStatus

	GetSocketStatus
This returns the state of the requested channel's socket.
- BYTE	Channel
Specifies the communications channel 0-3
- BYTE	Return

Initialise

	Initialise
Resets and initialises the W5500 IC. Sets up the gateway address, subnet mask, device IP address and device MAC address. This macro must be called before any other TCP_IP component macros. Returns 1 to indicate successful communication.
- BYTE	Return

MIAC_Module_GetData

	MIAC_Module_GetData

- BYTE	Index

- BYTE	Return

MIAC_Module_Message

	MIAC_Module_Message

- UINT	CAN_ID

- UINT	CMD_ID

- BYTE	Return

MIAC_Module_PushData

	MIAC_Module_PushData

- BYTE	Data

- VOID	Return

MIAC_Module_SetData

	MIAC_Module_SetData

- BYTE	Count

- BYTE	D0

- BYTE	D1

- BYTE	D2

- BYTE	D3

- BYTE	D4

- BYTE	D5

- VOID	Return

RxDataAvailable

	RxDataAvailable
This macro is used to check whether or not data has been received by the Internet E-Block. A return value of zero indicated that no data has been received. A positive return value indicates that data is available.
- BYTE	Channel
Specifies the communications channel 0-3
- BYTE	Return

RxDataSize

	RxDataSize
This macro is used to detect the size of data collected by the Rx_data_available macro.
- BYTE	Channel
Specifies the communications channel 0-3
- UINT	Return

RxFlushData

	RxFlushData
Once data reception has been completed, this macro should be called to discard the data packet and allow other data packets to be read.
- BYTE	Channel
Specifies the communications channel 0-3
- VOID	Return

RxMatchMyIP

	RxMatchMyIP
This macro returns a non-zero value when the next 4 bytes of data in the specified channel's reception buffer are the same as the Internet E-block's IP address.
- BYTE	Channel
Specifies the communications channel 0-3
- BYTE	Return

RxMatchMyMAC

	RxMatchMyMAC
This macro returns a non-zero value when the next 6 bytes of data in the specified channel's reception buffer are the same as the Internet E-block's MAC address entered in the component's property page.
- BYTE	Channel
Specifies the communications channel 0-3
- BYTE	Return

RxMatch_2_Bytes

	RxMatch_2_Bytes
This macro returns a non-zero value when the next 2 bytes of data in the specified channel's reception buffer are the same as those passed as parameters. There are similar functions that check for 4 bytes and 6 bytes.
- BYTE	Channel
Specifies the communications channel 0-3
- BYTE	Byte1
Specifies the value of the first byte
- BYTE	Byte2
Specifies the value of the second byte
- BYTE	Return

RxMatch_4_Bytes

	RxMatch_4_Bytes
This macro returns a non-zero value when the next 4 bytes of data in the specified channel's reception buffer are the same as those passed as parameters. There are similar functions that check for 2 bytes and 6 bytes.
- BYTE	Channel
Specifies the communications channel 0-3
- BYTE	Byte1
Specifies the value of the first byte
- BYTE	Byte2
Specifies the value of the second byte
- BYTE	Byte3
Specifies the value of the third byte
- BYTE	Byte4
Specifies the value of the fourth byte
- BYTE	Return

RxMatch_6_Bytes

	RxMatch_6_Bytes
This macro returns a non-zero value when the next 6 bytes of data in the specified channel's reception buffer are the same as those passed as parameters. There are similar functions that check for 2 bytes and 4 bytes.
- BYTE	Channel
Specifies the communications channel 0-3
- BYTE	Byte1
Specifies the value of the first byte
- BYTE	Byte2
Specifies the value of the second byte
- BYTE	Byte3
Specifies the value of the third byte
- BYTE	Byte4
Specifies the value of the fourth byte
- BYTE	Byte5
Specifies the value of the fifth byte
- BYTE	Byte6
Specifies the value of the sixth byte
- BYTE	Return

RxReadArray

	RxReadArray
A call to this macro will return a byte of data in the reception buffer of the specified channel. It will also internally increment a pointer to that data so that the next call to 'Rx_readbyte' (or any other read function) will read the next byte
- BYTE	Channel
Specifies the communications channel 0-3
- BYTE	Data

- UINT	Count

- VOID	Return

RxReadByte

	RxReadByte
A call to this macro will return a byte of data in the reception buffer of the specified channel. It will also internally increment a pointer to that data so that the next call to 'Rx_readbyte' (or any other read function) will read the next byte
- BYTE	Channel
Specifies the communications channel 0-3
- BYTE	Return

RxReadHeader

	RxReadHeader
Once data in a particular channel has been received, the header will be filled with information about the received data. This macro will return the information in the header. The idx parameter specifies which byte of information in the header to read
- BYTE	Channel
Specifies the communications channel 0-3
- BYTE	Idx
Specifies the byte index to return
- BYTE	Return

RxReadString

	RxReadString
A call to this macro will return a string of data in the reception buffer of the specified channel. It will also internally increment a pointer to that data so that the next call to 'Rx_readbyte' (or any other read function) will read the next byte
- BYTE	Channel
Specifies the communications channel 0-3
- BYTE	Length

- STRING	Return

RxSkipBytes

	RxSkipBytes
Often when receiving data packets, it may be necessary to ignore large sections of the data. This can be achieved by reading each byte individually (and ignoring the returned data), but a better way is to use this Rx_skipbytes macro.
- BYTE	Channel
Specifies the communications channel 0-3
- BYTE	Count
Specifies how many bytes to skip
- VOID	Return

SetDestination

	SetDestination
This is used in IP and UDP modes to set the destination of the intended data transfer. The destination IP address needs to be set for both IP and UDP modes.
- BYTE	Channel
Specifies the communications channel 0-3
- BYTE	Dst_IP0
Specifies the first byte of an IP address
- BYTE	Dst_IP1
Specifies the second byte of an IP address
- BYTE	Dst_IP2
Specifies the third byte of an IP address
- BYTE	Dst_IP3
Specifies the fourth byte of an IP address
- UINT	Dst_Port
Destination Port
- BYTE	Return

SetGateway

	SetGateway
This macro sets up the Internet E-Block's Gateway address. In most circumstances, this macro will not be required as the gateway address setting in the component property page will remain constant throughout your application.
- BYTE	IP0
First Byte of IP address
- BYTE	IP1
Second Byte of IP address
- BYTE	IP2
Third Byte of IP address
- BYTE	IP3
Fourth Byte of IP address
- VOID	Return

SetMACAddress

	SetMACAddress
This macro sets up the Internet E-Block's MAC address. In most circumstances, this macro will not be required as the MAC address setting in the component property page will remain constant throughout your application.
- BYTE	MAC0
First Byte of address
- BYTE	MAC1
Second Byte of address
- BYTE	MAC2
Third Byte of address
- BYTE	MAC3
Fourth Byte of address
- BYTE	MAC4
Fourth Byte of address
- BYTE	MAC5
Fifth Byte of address
- VOID	Return

SetMyIP

	SetMyIP
This macro sets up the Internet E-Block's own IP address. In most circumstances, this macro will not be required as the IP address setting in the component property page will remain constant throughout your application.
- BYTE	IP0
First Byte of IP address
- BYTE	IP1
Second Byte of IP address
- BYTE	IP2
Third Byte of IP address
- BYTE	IP3
Fourth Byte of IP address
- VOID	Return

SetSubnetMask

	SetSubnetMask
This macro sets up the Internet E-Block's Subnet Mask. In most circumstances, this macro will not be required as the subnet mask setting in the component property page will remain constant throughout your application.
- BYTE	IP0
First Byte of IP address
- BYTE	IP1
Second Byte of IP address
- BYTE	IP2
Third Byte of IP address
- BYTE	IP3
Fourth Byte of IP address
- VOID	Return

TCPClose

	TCPClose
When an established TCP connection has finished transmission of data, either the local application (i.e. your code) or the remote application (i.e. the application at the other end of the connection) can initiate closure of the socket.
- BYTE	Channel
Specifies the communications channel 0-3
- VOID	Return

TCPConnect

	TCPConnect
This macro puts a previously opened TCP channel in "active open" mode. This is the required mode when writing a TCP client application (e.g. using SMTP to send an email).
- BYTE	Channel
Specifies the communications channel 0-3
- BYTE	Dst_IP0
First Byte of IP address
- BYTE	Dst_IP1
Second Byte of IP address
- BYTE	Dst_IP2
Third Byte of IP address
- BYTE	Dst_IP3
Fourth Byte of IP address
- UINT	Dst_Port
Destination Port
- BYTE	Return

TCPListen

	TCPListen
This macro puts a previously opened TCP channel in "passive open" mode. This is the required mode when writing a TCP server application (e.g. a web server to display HTML web pages).
- BYTE	Channel
Specifies the communications channel 0-3
- VOID	Return

TxEnd

	TxEnd
Once the transmit buffer has been filled with data, call this macro to actually send the data.
- BYTE	Channel
Specifies the communications channel 0-3
- VOID	Return

TxSendArray

	TxSendArray
This macro fills the specified channel's transmit buffer with data.
- BYTE	Channel
Specifies the communications channel 0-3
- BYTE	Data
Data byte to append to Tx buffer.
- UINT	Count

- VOID	Return

TxSendByte

	TxSendByte
This macro fills the specified channel's transmit buffer with data.
- BYTE	Channel
Specifies the communications channel 0-3
- BYTE	Data
Data byte to append to Tx buffer.
- VOID	Return

TxSendMyIP

	TxSendMyIP
This macro fills the specified channel's transmit buffer with 4 bytes of data representing this Internet E-Block's IP address as specified in the component's property page.
- BYTE	Channel
Specifies the communications channel 0-3
- VOID	Return

TxSendMyMAC

	TxSendMyMAC
This macro fills the specified channel's transmit buffer with 6 bytes of data representing this Internet E-Block's MAC address as specified in the component's property page.
- BYTE	Channel
Specifies the communications channel 0-3
- VOID	Return

TxSendString

	TxSendString
This macro fills the specified channel's transmit buffer with data. It can fill the buffer with a string of information.
- BYTE	Channel
Specifies the communications channel 0-3
- STRING	Data
Data byte to append to Tx buffer.
- BYTE	Length

- VOID	Return

TxStart

	TxStart
This macro indicates the start of data transmission for the specified buffer. In TCP mode, data transmission can only begin once the socket has become established. In other modes, data transmission can occur as soon as the socket has been opened.
- BYTE	Channel
Specifies the communications channel 0-3
- VOID	Return

Property reference

	Properties
	Connections
	Channel
SPI Channel selector
	Prescale
Prescale option selector
	MOSI
SPI Data Out Pin SDO - Also Known as Master Out Slave In (MOSI) when used in Master mode.
	MISO
SPI Data In Pin SDI - Also Known as Master In Slave Out (MISO) when used in Master mode.
	CLK
SPI Clock Pin CLK - The Clock signal is driven by the SPI master.
	CS / SS
Chip Select / Slave Select Pin Master Mode: General purpose output pin used to select the remote SPI device. Slave Mode: Hardware chip select pin input used to select the SPI device.
	Gateway IP
	Gateway0

	Gateway1

	Gateway2

	Gateway3

	Subnet Mask
	Subnet0

	Subnet1

	Subnet2

	Subnet3

	IP Address
	IP0

	IP1

	IP2

	IP3

	MAC Address
	MAC0

	MAC1

	MAC2

	MAC3

	MAC4

	MAC5

	Simulation
	Label

	Sim Type
Decides how to perform the simulation of the component. TCP IP - Communicates using the Windows TCP IP communications DLL SPI / Injector - Communicates using the CAL SPI to allow the communications to be analysed and debugged.
	TCP Simulation
	Network Interface
List of network interfaces connected to the PC. Sets which interface we are communicating via.
	DHCP

Component Source Code

Please click here to download the component source project: FC_Comp_Source_TCPIP_W5500.fcfx

Please click here to view the component source code (Beta): FC_Comp_Source_TCPIP_W5500.fcfx

@@ Line 14: / Line 14: @@
 ==TCP/IP (W5500) component==
 TCP/IP component designed to work with the W5500 device used on the ETH WIZ Click
-==Component Source Code==
-Please click here to download the component source project: [https://www.flowcode.co.uk/wiki/componentsource/FC_Comp_Source_TCPIP_W5500.fcfx FC_Comp_Source_TCPIP_W5500.fcfx]
-Please click here to view the component source code (Beta): [https://www.flowcode.co.uk/FlowchartView/?wfile=componentsource/FC_Comp_Source_TCPIP_W5500.fcfx FC_Comp_Source_TCPIP_W5500.fcfx]
 ==Detailed description==
@@ Line 87: / Line 81: @@
 {{Fcfile|NetworkComms-W5500-Server.fcfx|NetworkComms W5500 Webserver}}
@@ Line 92: / Line 94: @@
 ==Macro reference==
+===CreateIPSocket===
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''TxSendMyIP'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''CreateIPSocket'''
 |-
-| colspan="2" | This macro fills the specified channel's transmit buffer with 4 bytes of data representing this Internet E-Block's IP address as specified in the component's property page.&nbsp;
+| colspan="2" | Note that sockets on up to 4 channels can be simultaneously opened and these channels are numbered 0 to 3.  Note that sockets with different modes can be opened on different channels.&nbsp;
 |-
 |-
@@ Line 105: / Line 108: @@
 | colspan="2" | Specifies the communications channel 0-3&nbsp;
 |-
-| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
+| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="90%" | Protocol
+|-
+| colspan="2" | Specifies which IP protocol to use&nbsp;
+|-
+| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="90%" | Broadcast
+|-
+| colspan="2" | Allows broadcast type packets to be sent and received&nbsp;
+|-
+| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
 | width="90%" style="border-top: 2px solid #000;" | ''Return''
 |}
+===CreateMACSocket===
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''RxMatchMyIP'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''CreateMACSocket'''
+|-
+| colspan="2" | This macro creates a socket for sending and receiving Ethernet data using raw data.&nbsp;
+|-
+|-
+| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="90%" | Promiscuous
+|-
+| colspan="2" | Receive everything (1) or just data bound for your MAC (0)&nbsp;
 |-
-| colspan="2" | This macro returns a non-zero value when the next 4 bytes of data in the specified channel's reception buffer are the same as the Internet E-block's IP address.&nbsp;
+| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="90%" | Broadcast
 |-
+| colspan="2" | Allows broadcast messages to be accepted (1) or rejected (0)&nbsp;
 |-
 | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | Channel
+| width="90%" | Error
 |-
-| colspan="2" | Specifies the communications channel 0-3&nbsp;
+| colspan="2" | Allowsmessages with errors to be accepted (1) or rejected (0)&nbsp;
 |-
 | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
@@ Line 128: / Line 152: @@
+===CreateTCPSocket===
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''RxMatch_4_Bytes'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''CreateTCPSocket'''
 |-
-| colspan="2" | This macro returns a non-zero value when the next 4 bytes of data in the specified channel's reception buffer are the same as those passed as parameters.  There are similar functions that check for 2 bytes and 6 bytes.&nbsp;
+| colspan="2" | This macro creates a socket for sending and receiving TCP data.&nbsp;
 |-
 |-
@@ Line 141: / Line 166: @@
 | colspan="2" | Specifies the communications channel 0-3&nbsp;
 |-
-| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
-| width="90%" | Byte1
+| width="90%" | Src_Port
+|-
+| colspan="2" | Port Number&nbsp;
+|-
+| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="90%" style="border-top: 2px solid #000;" | ''Return''
+|}
+===CreateUDPSocket===
+{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
-| colspan="2" | Specifies the value of the first byte&nbsp;
+| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''CreateUDPSocket'''
 |-
-| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
+| colspan="2" | This macro creates a socket for sending and receiving UDP data.&nbsp;
-| width="90%" | Byte2
 |-
-| colspan="2" | Specifies the value of the second byte&nbsp;
 |-
 | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | Byte3
+| width="90%" | Channel
 |-
-| colspan="2" | Specifies the value of the third byte&nbsp;
+| colspan="2" | Specifies the communications channel 0-3&nbsp;
 |-
-| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
-| width="90%" | Byte4
+| width="90%" | Src_Port
 |-
-| colspan="2" | Specifies the value of the fourth byte&nbsp;
+| colspan="2" | Port Number&nbsp;
 |-
 | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
@@ Line 166: / Line 200: @@
+===GetSocketStatus===
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SetMyIP'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''GetSocketStatus'''
 |-
-| colspan="2" | This macro sets up the Internet E-Block's own IP address.  In most circumstances, this macro will not be required as the IP address setting in the component property page will remain constant throughout your application.&nbsp;
+| colspan="2" | This returns the state of the requested channel's socket.&nbsp;
 |-
 |-
 | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | IP0
+| width="90%" | Channel
 |-
-| colspan="2" | First Byte of IP address&nbsp;
+| colspan="2" | Specifies the communications channel 0-3&nbsp;
 |-
-| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | IP1
+| width="90%" style="border-top: 2px solid #000;" | ''Return''
+|}
+===Initialise===
+{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
-| colspan="2" | Second Byte of IP address&nbsp;
+| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Initialise'''
 |-
-| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
+| colspan="2" | Resets and initialises the W5500 IC. Sets up the gateway address, subnet mask, device IP address and device MAC address. This macro must be called before any other TCP_IP component macros. Returns 1 to indicate successful communication.&nbsp;
-| width="90%" | IP2
 |-
-| colspan="2" | Third Byte of IP address&nbsp;
 |-
-| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | IP3
-|-
-| colspan="2" | Fourth Byte of IP address&nbsp;
-|-
-| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
 | width="90%" style="border-top: 2px solid #000;" | ''Return''
 |}
+===MIAC_Module_GetData===
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''TxSendString'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''MIAC_Module_GetData'''
 |-
-| colspan="2" | This macro fills the specified channel's transmit buffer with data.  It can fill the buffer with a string of information.&nbsp;
+| colspan="2" | &nbsp;
 |-
 |-
 | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | Channel
+| width="90%" | Index
-|-
-| colspan="2" | Specifies the communications channel 0-3&nbsp;
-|-
-| width="10%" align="center" | [[File:Fc9-string-icon.png]] - STRING
-| width="90%" | Data
-|-
-| colspan="2" | Data byte to append to Tx buffer.&nbsp;
-|-
-| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | Length
 |-
 | colspan="2" | &nbsp;
 |-
-| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
+| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
 | width="90%" style="border-top: 2px solid #000;" | ''Return''
 |}
+===MIAC_Module_Message===
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''RxReadHeader'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''MIAC_Module_Message'''
 |-
-| colspan="2" | Once data in a particular channel has been received, the header will be filled with information about the received data.  This macro will return the information in the header.  The idx parameter specifies which byte of information in the header to read &nbsp;
+| colspan="2" | &nbsp;
 |-
 |-
-| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
-| width="90%" | Channel
+| width="90%" | CAN_ID
 |-
-| colspan="2" | Specifies the communications channel 0-3&nbsp;
+| colspan="2" | &nbsp;
 |-
-| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
-| width="90%" | Idx
+| width="90%" | CMD_ID
 |-
-| colspan="2" | Specifies the byte index to return&nbsp;
+| colspan="2" | &nbsp;
 |-
 | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
@@ Line 250: / Line 276: @@
+===MIAC_Module_PushData===
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''RxSkipBytes'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''MIAC_Module_PushData'''
 |-
-| colspan="2" | Often when receiving data packets, it may be necessary to ignore large sections of the data.  This can be achieved by reading each byte individually (and ignoring the returned data), but a better way is to use this Rx_skipbytes macro.&nbsp;
+| colspan="2" | &nbsp;
 |-
 |-
 | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | Channel
+| width="90%" | Data
 |-
-| colspan="2" | Specifies the communications channel 0-3&nbsp;
+| colspan="2" | &nbsp;
-|-
-| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | Count
-|-
-| colspan="2" | Specifies how many bytes to skip&nbsp;
 |-
 | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
@@ Line 273: / Line 295: @@
+===MIAC_Module_SetData===
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
@@ Line 321: / Line 344: @@
+===RxDataAvailable===
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''CreateIPSocket'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''RxDataAvailable'''
 |-
-| colspan="2" | Note that sockets on up to 4 channels can be simultaneously opened and these channels are numbered 0 to 3.  Note that sockets with different modes can be opened on different channels.&nbsp;
+| colspan="2" | This macro is used to check whether or not data has been received by the Internet E-Block. A return value of zero indicated that no data has been received.  A positive return value indicates that data is available.&nbsp;
 |-
 |-
@@ Line 333: / Line 357: @@
 |-
 | colspan="2" | Specifies the communications channel 0-3&nbsp;
-|-
-| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | Protocol
-|-
-| colspan="2" | Specifies which IP protocol to use&nbsp;
-|-
-| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | Broadcast
-|-
-| colspan="2" | Allows broadcast type packets to be sent and received&nbsp;
 |-
 | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
@@ Line 349: / Line 363: @@
+===RxDataSize===
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SetDestination'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''RxDataSize'''
 |-
-| colspan="2" | This is used in IP and UDP modes to set the destination of the intended data transfer.  The destination IP address needs to be set for both IP and UDP modes.&nbsp;
+| colspan="2" | This macro is used to detect the size of data collected by the Rx_data_available macro.&nbsp;
 |-
 |-
@@ Line 362: / Line 377: @@
 | colspan="2" | Specifies the communications channel 0-3&nbsp;
 |-
-| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u16-icon.png]] - UINT
-| width="90%" | Dst_IP0
-|-
-| colspan="2" | Specifies the first byte of an IP address&nbsp;
-|-
-| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | Dst_IP1
-|-
-| colspan="2" | Specifies the second byte of an IP address&nbsp;
-|-
-| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | Dst_IP2
-|-
-| colspan="2" | Specifies the third byte of an IP address&nbsp;
-|-
-| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | Dst_IP3
-|-
-| colspan="2" | Specifies the fourth byte of an IP address&nbsp;
-|-
-| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
-| width="90%" | Dst_Port
-|-
-| colspan="2" | Destination Port&nbsp;
-|-
-| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
 | width="90%" style="border-top: 2px solid #000;" | ''Return''
 |}
+===RxFlushData===
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''MIAC_Module_GetData'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''RxFlushData'''
 |-
-| colspan="2" | &nbsp;
+| colspan="2" | Once data reception has been completed, this macro should be called to discard the data packet and allow other data packets to be read.&nbsp;
 |-
 |-
 | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | Index
+| width="90%" | Channel
 |-
-| colspan="2" | &nbsp;
+| colspan="2" | Specifies the communications channel 0-3&nbsp;
 |-
-| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
 | width="90%" style="border-top: 2px solid #000;" | ''Return''
 |}
+===RxMatchMyIP===
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''TxStart'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''RxMatchMyIP'''
 |-
-| colspan="2" | This macro indicates the start of data transmission for the specified buffer.  In TCP mode, data transmission can only begin once the socket has become established.  In other modes, data transmission can occur as soon as the socket has been opened.&nbsp;
+| colspan="2" | This macro returns a non-zero value when the next 4 bytes of data in the specified channel's reception buffer are the same as the Internet E-block's IP address.&nbsp;
 |-
 |-
@@ Line 422: / Line 414: @@
 |-
 | colspan="2" | Specifies the communications channel 0-3&nbsp;
-|-
-| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
-| width="90%" style="border-top: 2px solid #000;" | ''Return''
-|}
-{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
-|-
-| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''MIAC_Module_Message'''
-|-
-| colspan="2" | &nbsp;
-|-
-|-
-| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
-| width="90%" | CAN_ID
-|-
-| colspan="2" | &nbsp;
-|-
-| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
-| width="90%" | CMD_ID
-|-
-| colspan="2" | &nbsp;
 |-
 | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
@@ Line 451: / Line 420: @@
+===RxMatchMyMAC===
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''RxReadByte'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''RxMatchMyMAC'''
 |-
-| colspan="2" | A call to this macro will return a byte of data in the reception buffer of the specified channel.  It will also internally increment a pointer to that data so that the next call to 'Rx_readbyte' (or any other read function) will read the next byte &nbsp;
+| colspan="2" | This macro returns a non-zero value when the next 6 bytes of data in the specified channel's reception buffer are the same as the Internet E-block's MAC address entered in the component's property page.&nbsp;
 |-
 |-
@@ Line 469: / Line 439: @@
+===RxMatch_2_Bytes===
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''CreateUDPSocket'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''RxMatch_2_Bytes'''
 |-
-| colspan="2" | This macro creates a socket for sending and receiving UDP data.&nbsp;
+| colspan="2" | This macro returns a non-zero value when the next 2 bytes of data in the specified channel's reception buffer are the same as those passed as parameters.  There are similar functions that check for 4 bytes and 6 bytes.&nbsp;
 |-
 |-
@@ Line 482: / Line 453: @@
 | colspan="2" | Specifies the communications channel 0-3&nbsp;
 |-
-| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
+| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | Src_Port
+| width="90%" | Byte1
+|-
+| colspan="2" | Specifies the value of the first byte&nbsp;
+|-
+| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="90%" | Byte2
 |-
-| colspan="2" | Port Number&nbsp;
+| colspan="2" | Specifies the value of the second byte&nbsp;
 |-
 | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
@@ Line 492: / Line 468: @@
+===RxMatch_4_Bytes===
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''RxMatch_6_Bytes'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''RxMatch_4_Bytes'''
 |-
-| colspan="2" | This macro returns a non-zero value when the next 6 bytes of data in the specified channel's reception buffer are the same as those passed as parameters.  There are similar functions that check for 2 bytes and 4 bytes.&nbsp;
+| colspan="2" | This macro returns a non-zero value when the next 4 bytes of data in the specified channel's reception buffer are the same as those passed as parameters.  There are similar functions that check for 2 bytes and 6 bytes.&nbsp;
 |-
 |-
@@ Line 524: / Line 501: @@
 |-
 | colspan="2" | Specifies the value of the fourth byte&nbsp;
-|-
-| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | Byte5
-|-
-| colspan="2" | Specifies the value of the fifth byte&nbsp;
-|-
-| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | Byte6
-|-
-| colspan="2" | Specifies the value of the sixth byte&nbsp;
 |-
 | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
@@ Line 540: / Line 507: @@
+===RxMatch_6_Bytes===
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''RxMatch_2_Bytes'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''RxMatch_6_Bytes'''
 |-
-| colspan="2" | This macro returns a non-zero value when the next 2 bytes of data in the specified channel's reception buffer are the same as those passed as parameters.  There are similar functions that check for 4 bytes and 6 bytes.&nbsp;
+| colspan="2" | This macro returns a non-zero value when the next 6 bytes of data in the specified channel's reception buffer are the same as those passed as parameters.  There are similar functions that check for 2 bytes and 4 bytes.&nbsp;
 |-
 |-
@@ Line 562: / Line 530: @@
 |-
 | colspan="2" | Specifies the value of the second byte&nbsp;
-|-
-| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" style="border-top: 2px solid #000;" | ''Return''
-|}
-{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
-|-
-| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''TxEnd'''
-|-
-| colspan="2" | Once the transmit buffer has been filled with data, call this macro to actually send the data.&nbsp;
-|-
 |-
 | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | Channel
+| width="90%" | Byte3
-|-
-| colspan="2" | Specifies the communications channel 0-3&nbsp;
-|-
-| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
-| width="90%" style="border-top: 2px solid #000;" | ''Return''
-|}
-{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
-|-
-| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''RxReadString'''
-|-
-| colspan="2" | A call to this macro will return a string of data in the reception buffer of the specified channel.  It will also internally increment a pointer to that data so that the next call to 'Rx_readbyte' (or any other read function) will read the next byte &nbsp;
 |-
+| colspan="2" | Specifies the value of the third byte&nbsp;
 |-
 | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | Channel
+| width="90%" | Byte4
 |-
-| colspan="2" | Specifies the communications channel 0-3&nbsp;
+| colspan="2" | Specifies the value of the fourth byte&nbsp;
 |-
 | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | Length
+| width="90%" | Byte5
-|-
-| colspan="2" | &nbsp;
-|-
-| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-string-icon.png]] - STRING
-| width="90%" style="border-top: 2px solid #000;" | ''Return''
-|}
-{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
-|-
-| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''CreateTCPSocket'''
-|-
-| colspan="2" | This macro creates a socket for sending and receiving TCP data.&nbsp;
 |-
+| colspan="2" | Specifies the value of the fifth byte&nbsp;
 |-
 | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | Channel
+| width="90%" | Byte6
 |-
-| colspan="2" | Specifies the communications channel 0-3&nbsp;
+| colspan="2" | Specifies the value of the sixth byte&nbsp;
-|-
-| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
-| width="90%" | Src_Port
-|-
-| colspan="2" | Port Number&nbsp;
 |-
 | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
@@ Line 632: / Line 556: @@
+===RxReadArray===
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''RxDataAvailable'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''RxReadArray'''
 |-
-| colspan="2" | This macro is used to check whether or not data has been received by the Internet E-Block. A return value of zero indicated that no data has been received.  A positive return value indicates that data is available.&nbsp;
+| colspan="2" | A call to this macro will return a byte of data in the reception buffer of the specified channel.  It will also internally increment a pointer to that data so that the next call to 'Rx_readbyte' (or any other read function) will read the next byte &nbsp;
 |-
 |-
@@ Line 645: / Line 570: @@
 | colspan="2" | Specifies the communications channel 0-3&nbsp;
 |-
-| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" style="border-top: 2px solid #000;" | ''Return''
+| width="90%" | Data
-|}
-{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
-|-
-| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''MIAC_Module_PushData'''
 |-
 | colspan="2" | &nbsp;
 |-
-|-
+| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
-| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="90%" | Count
-| width="90%" | Data
 |-
 | colspan="2" | &nbsp;
@@ Line 668: / Line 585: @@
+===RxReadByte===
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''TxSendByte'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''RxReadByte'''
 |-
-| colspan="2" | This macro fills the specified channel's transmit buffer with data.&nbsp;
+| colspan="2" | A call to this macro will return a byte of data in the reception buffer of the specified channel.  It will also internally increment a pointer to that data so that the next call to 'Rx_readbyte' (or any other read function) will read the next byte &nbsp;
 |-
 |-
@@ Line 681: / Line 599: @@
 | colspan="2" | Specifies the communications channel 0-3&nbsp;
 |-
-| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | Data
-|-
-| colspan="2" | Data byte to append to Tx buffer.&nbsp;
-|-
-| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
 | width="90%" style="border-top: 2px solid #000;" | ''Return''
 |}
+===RxReadHeader===
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''TCPListen'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''RxReadHeader'''
 |-
-| colspan="2" | This macro puts a previously opened TCP channel in "passive open" mode.  This is the required mode when writing a TCP server application (e.g. a web server to display HTML web pages).&nbsp;
+| colspan="2" | Once data in a particular channel has been received, the header will be filled with information about the received data.  This macro will return the information in the header.  The idx parameter specifies which byte of information in the header to read &nbsp;
 |-
 |-
@@ Line 704: / Line 618: @@
 | colspan="2" | Specifies the communications channel 0-3&nbsp;
 |-
-| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
+| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="90%" | Idx
+|-
+| colspan="2" | Specifies the byte index to return&nbsp;
+|-
+| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
 | width="90%" style="border-top: 2px solid #000;" | ''Return''
 |}
+===RxReadString===
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''TxSendByte_Sim'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''RxReadString'''
 |-
-| colspan="2" | This macro fills the specified channel's transmit buffer with data.  It can fill the buffer with a single byte of data, or with a string of information.&nbsp;
+| colspan="2" | A call to this macro will return a string of data in the reception buffer of the specified channel.  It will also internally increment a pointer to that data so that the next call to 'Rx_readbyte' (or any other read function) will read the next byte &nbsp;
 |-
 |-
@@ Line 723: / Line 643: @@
 |-
 | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | Data
+| width="90%" | Length
 |-
-| colspan="2" | Data byte to append to Tx buffer.&nbsp;
+| colspan="2" | &nbsp;
 |-
-| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
+| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-string-icon.png]] - STRING
 | width="90%" style="border-top: 2px solid #000;" | ''Return''
 |}
+===RxSkipBytes===
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''RxFlushData'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''RxSkipBytes'''
 |-
-| colspan="2" | Once data reception has been completed, this macro should be called to discard the data packet and allow other data packets to be read.&nbsp;
+| colspan="2" | Often when receiving data packets, it may be necessary to ignore large sections of the data.  This can be achieved by reading each byte individually (and ignoring the returned data), but a better way is to use this Rx_skipbytes macro.&nbsp;
 |-
 |-
@@ Line 744: / Line 665: @@
 |-
 | colspan="2" | Specifies the communications channel 0-3&nbsp;
+|-
+| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="90%" | Count
+|-
+| colspan="2" | Specifies how many bytes to skip&nbsp;
 |-
 | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
@@ Line 750: / Line 676: @@
+===SetDestination===
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''TCPConnect'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SetDestination'''
 |-
-| colspan="2" | This macro puts a previously opened TCP channel in "active open" mode.  This is the required mode when writing a TCP client application (e.g. using SMTP to send an email).&nbsp;
+| colspan="2" | This is used in IP and UDP modes to set the destination of the intended data transfer.  The destination IP address needs to be set for both IP and UDP modes.&nbsp;
 |-
 |-
@@ Line 766: / Line 693: @@
 | width="90%" | Dst_IP0
 |-
-| colspan="2" | First Byte of IP address&nbsp;
+| colspan="2" | Specifies the first byte of an IP address&nbsp;
 |-
 | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
 | width="90%" | Dst_IP1
 |-
-| colspan="2" | Second Byte of IP address&nbsp;
+| colspan="2" | Specifies the second byte of an IP address&nbsp;
 |-
 | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
 | width="90%" | Dst_IP2
 |-
-| colspan="2" | Third Byte of IP address&nbsp;
+| colspan="2" | Specifies the third byte of an IP address&nbsp;
 |-
 | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
 | width="90%" | Dst_IP3
 |-
-| colspan="2" | Fourth Byte of IP address&nbsp;
+| colspan="2" | Specifies the fourth byte of an IP address&nbsp;
 |-
 | width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
@@ Line 793: / Line 720: @@
+===SetGateway===
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''RxReadByte_Sim'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SetGateway'''
 |-
-| colspan="2" | A call to this macro will return a byte of data in the reception buffer of the specified channel.  It will also internally increment a pointer to that data so that the next call to 'Rx_readbyte' (or any other read function) will read the next byte &nbsp;
+| colspan="2" | This macro sets up the Internet E-Block's Gateway address.  In most circumstances, this macro will not be required as the gateway address setting in the component property page will remain constant throughout your application.&nbsp;
 |-
 |-
 | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | Channel
+| width="90%" | IP0
 |-
-| colspan="2" | Specifies the communications channel 0-3&nbsp;
+| colspan="2" | First Byte of IP address&nbsp;
 |-
-| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" style="border-top: 2px solid #000;" | ''Return''
+| width="90%" | IP1
-|}
-{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
-| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
+| colspan="2" | Second Byte of IP address&nbsp;
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''RxMatchMyMAC'''
 |-
-| colspan="2" | This macro returns a non-zero value when the next 6 bytes of data in the specified channel's reception buffer are the same as the Internet E-block's MAC address entered in the component's property page.&nbsp;
+| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="90%" | IP2
 |-
+| colspan="2" | Third Byte of IP address&nbsp;
 |-
 | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | Channel
+| width="90%" | IP3
 |-
-| colspan="2" | Specifies the communications channel 0-3&nbsp;
+| colspan="2" | Fourth Byte of IP address&nbsp;
 |-
-| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
 | width="90%" style="border-top: 2px solid #000;" | ''Return''
 |}
+===SetMACAddress===
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''RxFlushData_Sim'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SetMACAddress'''
+|-
+| colspan="2" | This macro sets up the Internet E-Block's MAC address.  In most circumstances, this macro will not be required as the MAC address setting in the component property page will remain constant throughout your application.&nbsp;
+|-
+|-
+| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="90%" | MAC0
+|-
+| colspan="2" | First Byte of address&nbsp;
 |-
-| colspan="2" | Once data reception has been completed, this macro should be called to discard the data packet and allow other data packets to be read.&nbsp;
+| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="90%" | MAC1
 |-
+| colspan="2" | Second Byte of address&nbsp;
 |-
 | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | Channel
+| width="90%" | MAC2
 |-
-| colspan="2" | Specifies the communications channel 0-3&nbsp;
+| colspan="2" | Third Byte of address&nbsp;
 |-
-| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
+| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" style="border-top: 2px solid #000;" | ''Return''
+| width="90%" | MAC3
-|}
-{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
-| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
+| colspan="2" | Fourth Byte of address&nbsp;
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''RxDataSize'''
 |-
-| colspan="2" | This macro is used to detect the size of data collected by the Rx_data_available macro.&nbsp;
+| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="90%" | MAC4
 |-
+| colspan="2" | Fourth Byte of address&nbsp;
 |-
 | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | Channel
+| width="90%" | MAC5
 |-
-| colspan="2" | Specifies the communications channel 0-3&nbsp;
+| colspan="2" | Fifth Byte of address&nbsp;
 |-
-| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u16-icon.png]] - UINT
+| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
 | width="90%" style="border-top: 2px solid #000;" | ''Return''
 |}
+===SetMyIP===
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''CreateMACSocket'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SetMyIP'''
+|-
+| colspan="2" | This macro sets up the Internet E-Block's own IP address.  In most circumstances, this macro will not be required as the IP address setting in the component property page will remain constant throughout your application.&nbsp;
+|-
 |-
-| colspan="2" | This macro creates a socket for sending and receiving Ethernet data using raw data.&nbsp;
+| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="90%" | IP0
 |-
+| colspan="2" | First Byte of IP address&nbsp;
 |-
 | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | Promiscuous
+| width="90%" | IP1
 |-
-| colspan="2" | Receive everything (1) or just data bound for your MAC (0)&nbsp;
+| colspan="2" | Second Byte of IP address&nbsp;
 |-
 | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | Broadcast
+| width="90%" | IP2
 |-
-| colspan="2" | Allows broadcast messages to be accepted (1) or rejected (0)&nbsp;
+| colspan="2" | Third Byte of IP address&nbsp;
 |-
 | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | Error
+| width="90%" | IP3
 |-
-| colspan="2" | Allowsmessages with errors to be accepted (1) or rejected (0)&nbsp;
+| colspan="2" | Fourth Byte of IP address&nbsp;
 |-
-| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
 | width="90%" style="border-top: 2px solid #000;" | ''Return''
 |}
+===SetSubnetMask===
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''CreateUDPSocket_Sim'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SetSubnetMask'''
+|-
+| colspan="2" | This macro sets up the Internet E-Block's Subnet Mask.  In most circumstances, this macro will not be required as the subnet mask setting in the component property page will remain constant throughout your application.&nbsp;
 |-
-| colspan="2" | This macro creates a socket for sending and receiving UDP data.&nbsp;
 |-
+| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="90%" | IP0
+|-
+| colspan="2" | First Byte of IP address&nbsp;
+|-
+| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="90%" | IP1
+|-
+| colspan="2" | Second Byte of IP address&nbsp;
 |-
 | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | Channel
+| width="90%" | IP2
 |-
-| colspan="2" | Specifies the communications channel 0-3&nbsp;
+| colspan="2" | Third Byte of IP address&nbsp;
 |-
-| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
+| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | Src_Port
+| width="90%" | IP3
 |-
-| colspan="2" | Port Number&nbsp;
+| colspan="2" | Fourth Byte of IP address&nbsp;
 |-
-| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
 | width="90%" style="border-top: 2px solid #000;" | ''Return''
 |}
+===TCPClose===
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''TxSendMyMAC'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''TCPClose'''
 |-
-| colspan="2" | This macro fills the specified channel's transmit buffer with 6 bytes of data representing this Internet E-Block's MAC address as specified in the component's property page.&nbsp;
+| colspan="2" | When an established TCP connection has finished transmission of data, either the local application (i.e. your code) or the remote application (i.e. the application at the other end of the connection) can initiate closure of the socket.&nbsp;
 |-
 |-
@@ Line 934: / Line 885: @@
+===TCPConnect===
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SetMACAddress'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''TCPConnect'''
 |-
-| colspan="2" | This macro sets up the Internet E-Block's MAC address.  In most circumstances, this macro will not be required as the MAC address setting in the component property page will remain constant throughout your application.&nbsp;
+| colspan="2" | This macro puts a previously opened TCP channel in "active open" mode.  This is the required mode when writing a TCP client application (e.g. using SMTP to send an email).&nbsp;
 |-
 |-
 | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | MAC0
+| width="90%" | Channel
 |-
-| colspan="2" | First Byte of address&nbsp;
+| colspan="2" | Specifies the communications channel 0-3&nbsp;
 |-
 | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | MAC1
+| width="90%" | Dst_IP0
 |-
-| colspan="2" | Second Byte of address&nbsp;
+| colspan="2" | First Byte of IP address&nbsp;
 |-
 | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | MAC2
+| width="90%" | Dst_IP1
 |-
-| colspan="2" | Third Byte of address&nbsp;
+| colspan="2" | Second Byte of IP address&nbsp;
 |-
 | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | MAC3
+| width="90%" | Dst_IP2
 |-
-| colspan="2" | Fourth Byte of address&nbsp;
+| colspan="2" | Third Byte of IP address&nbsp;
 |-
 | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | MAC4
+| width="90%" | Dst_IP3
 |-
-| colspan="2" | Fourth Byte of address&nbsp;
+| colspan="2" | Fourth Byte of IP address&nbsp;
 |-
-| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
-| width="90%" | MAC5
+| width="90%" | Dst_Port
 |-
-| colspan="2" | Fifth Byte of address&nbsp;
+| colspan="2" | Destination Port&nbsp;
 |-
-| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
+| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
 | width="90%" style="border-top: 2px solid #000;" | ''Return''
 |}
+===TCPListen===
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''RxMatch_4_Bytes_Sim'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''TCPListen'''
 |-
-| colspan="2" | This macro returns a non-zero value when the next 4 bytes of data in the specified channel's reception buffer are the same as those passed as parameters.  There are similar functions that check for 2 bytes and 6 bytes.&nbsp;
+| colspan="2" | This macro puts a previously opened TCP channel in "passive open" mode.  This is the required mode when writing a TCP server application (e.g. a web server to display HTML web pages).&nbsp;
 |-
 |-
@@ Line 990: / Line 943: @@
 | colspan="2" | Specifies the communications channel 0-3&nbsp;
 |-
-| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
-| width="90%" | Byte1
-|-
-| colspan="2" | Specifies the value of the first byte&nbsp;
-|-
-| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | Byte2
-|-
-| colspan="2" | Specifies the value of the second byte&nbsp;
-|-
-| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | Byte3
-|-
-| colspan="2" | Specifies the value of the third byte&nbsp;
-|-
-| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | Byte4
-|-
-| colspan="2" | Specifies the value of the fourth byte&nbsp;
-|-
-| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
 | width="90%" style="border-top: 2px solid #000;" | ''Return''
 |}
+===TxEnd===
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''RxDataSize_Sim'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''TxEnd'''
 |-
-| colspan="2" | This macro is used to detect the size of data collected by the Rx_data_available macro.&nbsp;
+| colspan="2" | Once the transmit buffer has been filled with data, call this macro to actually send the data.&nbsp;
 |-
 |-
@@ Line 1,028: / Line 962: @@
 | colspan="2" | Specifies the communications channel 0-3&nbsp;
 |-
-| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
 | width="90%" style="border-top: 2px solid #000;" | ''Return''
 |}
+===TxSendArray===
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SetSubnetMask'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''TxSendArray'''
 |-
-| colspan="2" | This macro sets up the Internet E-Block's Subnet Mask.  In most circumstances, this macro will not be required as the subnet mask setting in the component property page will remain constant throughout your application.&nbsp;
+| colspan="2" | This macro fills the specified channel's transmit buffer with data.&nbsp;
 |-
 |-
 | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | IP0
+| width="90%" | Channel
 |-
-| colspan="2" | First Byte of IP address&nbsp;
+| colspan="2" | Specifies the communications channel 0-3&nbsp;
 |-
 | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | IP1
+| width="90%" | Data
 |-
-| colspan="2" | Second Byte of IP address&nbsp;
+| colspan="2" | Data byte to append to Tx buffer.&nbsp;
 |-
-| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
-| width="90%" | IP2
+| width="90%" | Count
 |-
-| colspan="2" | Third Byte of IP address&nbsp;
+| colspan="2" | &nbsp;
-|-
-| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | IP3
-|-
-| colspan="2" | Fourth Byte of IP address&nbsp;
 |-
 | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
@@ Line 1,066: / Line 996: @@
+===TxSendByte===
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''RxMatch_2_Bytes_Sim'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''TxSendByte'''
 |-
-| colspan="2" | This macro returns a non-zero value when the next 2 bytes of data in the specified channel's reception buffer are the same as those passed as parameters.  There are similar functions that check for 4 bytes and 6 bytes.&nbsp;
+| colspan="2" | This macro fills the specified channel's transmit buffer with data.&nbsp;
 |-
 |-
@@ Line 1,080: / Line 1,011: @@
 |-
 | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | Byte1
+| width="90%" | Data
 |-
-| colspan="2" | Specifies the value of the first byte&nbsp;
+| colspan="2" | Data byte to append to Tx buffer.&nbsp;
 |-
-| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
-| width="90%" | Byte2
-|-
-| colspan="2" | Specifies the value of the second byte&nbsp;
-|-
-| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
 | width="90%" style="border-top: 2px solid #000;" | ''Return''
 |}
+===TxSendMyIP===
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''RxMatchMyMAC_Sim'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''TxSendMyIP'''
 |-
-| colspan="2" | This macro returns a non-zero value when the next 4 bytes of data in the specified channel's reception buffer are the same as the Internet E-block's IP address.&nbsp;
+| colspan="2" | This macro fills the specified channel's transmit buffer with 4 bytes of data representing this Internet E-Block's IP address as specified in the component's property page.&nbsp;
 |-
 |-
@@ Line 1,107: / Line 1,034: @@
 | colspan="2" | Specifies the communications channel 0-3&nbsp;
 |-
-| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
 | width="90%" style="border-top: 2px solid #000;" | ''Return''
 |}
+===TxSendMyMAC===
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''TCPClose'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''TxSendMyMAC'''
 |-
-| colspan="2" | When an established TCP connection has finished transmission of data, either the local application (i.e. your code) or the remote application (i.e. the application at the other end of the connection) can initiate closure of the socket.&nbsp;
+| colspan="2" | This macro fills the specified channel's transmit buffer with 6 bytes of data representing this Internet E-Block's MAC address as specified in the component's property page.&nbsp;
 |-
 |-
@@ Line 1,130: / Line 1,058: @@
+===TxSendString===
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''GetSocketStatus'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''TxSendString'''
 |-
-| colspan="2" | This returns the state of the requested channel's socket.&nbsp;
+| colspan="2" | This macro fills the specified channel's transmit buffer with data.  It can fill the buffer with a string of information.&nbsp;
 |-
 |-
@@ Line 1,143: / Line 1,072: @@
 | colspan="2" | Specifies the communications channel 0-3&nbsp;
 |-
-| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="10%" align="center" | [[File:Fc9-string-icon.png]] - STRING
-| width="90%" style="border-top: 2px solid #000;" | ''Return''
+| width="90%" | Data
-|}
-{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
-| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
+| colspan="2" | Data byte to append to Tx buffer.&nbsp;
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Initialise'''
 |-
-| colspan="2" | Resets and initialises the W5500 IC. Sets up the gateway address, subnet mask, device IP address and device MAC address. This macro must be called before any other TCP_IP component macros. Returns 1 to indicate successful communication.&nbsp;
+| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="90%" | Length
 |-
+| colspan="2" | &nbsp;
 |-
-| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
 | width="90%" style="border-top: 2px solid #000;" | ''Return''
 |}
+===TxStart===
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SetGateway'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''TxStart'''
 |-
-| colspan="2" | This macro sets up the Internet E-Block's Gateway address.  In most circumstances, this macro will not be required as the gateway address setting in the component property page will remain constant throughout your application.&nbsp;
+| colspan="2" | This macro indicates the start of data transmission for the specified buffer.  In TCP mode, data transmission can only begin once the socket has become established.  In other modes, data transmission can occur as soon as the socket has been opened.&nbsp;
 |-
 |-
 | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | IP0
+| width="90%" | Channel
 |-
-| colspan="2" | First Byte of IP address&nbsp;
+| colspan="2" | Specifies the communications channel 0-3&nbsp;
-|-
-| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | IP1
-|-
-| colspan="2" | Second Byte of IP address&nbsp;
-|-
-| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | IP2
-|-
-| colspan="2" | Third Byte of IP address&nbsp;
-|-
-| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | IP3
-|-
-| colspan="2" | Fourth Byte of IP address&nbsp;
 |-
 | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
 | width="90%" style="border-top: 2px solid #000;" | ''Return''
 |}
@@ Line 1,366: / Line 1,276: @@
 |-
 | colspan="2" | List of network interfaces connected to the PC.  Sets which interface we are communicating via.&nbsp;
+|-
+| width="10%" align="center" | [[File:Fc9-type-7-icon.png]]
+| width="90%" | DHCP
+|-
+| colspan="2" | &nbsp;
 |}
+==Component Source Code==
+Please click here to download the component source project: [https://www.flowcode.co.uk/wiki/componentsource/FC_Comp_Source_TCPIP_W5500.fcfx FC_Comp_Source_TCPIP_W5500.fcfx]
+Please click here to view the component source code (Beta): [https://www.flowcode.co.uk/FlowchartView/?wfile=componentsource/FC_Comp_Source_TCPIP_W5500.fcfx FC_Comp_Source_TCPIP_W5500.fcfx]