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Table of Contents

Driver

The ioLibrary means “Internet Offload Library” for WIZnet chip. It includes drivers and application protocols. There are three kinds of libraries explained on this page The first two drivers (ioLibrary_BSD, ioLibrary) can be used for W5500 application designs. These will be updated continuously. The former BSD-Type driver will not be updated, as it is only meant to be a migration help from W5200 to W5500.

1. ioLibrary_BSD

2. ioLibrary

3. BSD Type driver for W5200 User

1. ioLibrary_BSD

Overview

This driver provides the Berkeley Socket type APIs. The function names of this ioLibrary_BSD are the same as the function names of the ioLibrary.

  • Directory Structure
    • Ethernet : SOCKET APIs like BSD & WIZCHIP(W5500,W5200 and etc) Driver
    • Internet :
      • DHCP client
      • DNS client
      • Others will be added.

Download

< ioLibrary_BSD : latest version >

ioLibrary_BSD GitHub Repository

https://github.com/Wiznet/ioLibrary_Driver

< ioLibrary_BSD : old version >

Type Version Note Download Link
Source code Ethernet
(Berkeley Socket type APIs) 		1.0.3 - Click
1.0.2 - Click
1.0.1 - Click
1.0.0 - Click
Internet
(Application protocols) 		1.1.1 - Click
1.1.0 - Click
1.0.0 - Click
Documents Socket APIs Help
(chm, html) 		1.0.3 - Click
1.0.2 - Click
1.0.1 - Click
1.0.0 - Click

< Update History >

  • ioLibrary_BSD
    • Ethernet : Berkeley Socket type APIs
      • Document (chm, html): Socket APIs Help
      • Revision History
        • ioLibrary_BSD will be update in github continuously.
        • V1.03 (Refer to 20140501)
          • wizchip_conf.c
            1. Explicit type casting in wizchip_bus_readbyte() & wizchip_bus_writebyte()
            2. uint32_t type converts into ptrdiff_t first. And then reconverting it into uint8_t*. For remove the warning when pointer type size is not 32bit. If ptrdiff_t doesn't support in your complier, You should must replace ptrdiff_t into your suitable pointer type.
          • w5500.c : Implicit type casting → Explicit type casting
            1. wizchip_read_data() & wizchip_write_data() : Fixed the problem on porting into under 32bit MCU
          • socket.h
            1. Modify the comment : SO_REMAINED → PACK_REMAINED
            2. Add the comment as zero byte udp data reception in getsockopt().
          • socket.c
            1. Implicit type casting → Explicit type casting.
            2. replace 0x01 with PACK_REMAINED in recvfrom()
            3. Validation a destination ip in connect() & sendto(): It occurs a fatal error on converting unint32 address if uint8* addr parameter is not aligned by 4byte address. Copy 4 byte addr value into temporary uint32 variable and then compares it.
  • V1.02
  • socket.c (Refer to 20131220)
    1. setsockopt() : Remove warning message (delete tmp variable)
  • w5500.c (Refer to 20131220)
    1. WIZCHIP_READ_BUF() & WIZCHIP_WRITE_BUF() in _WIZCHIP_IO_MODE_SPI_FDM_ case
      1. Remove warning message
      2. Remove unnecessary 'for' loop
  • V1.01
  • socket.c (Refer to 20131104)
    1. sendto() : Add to clear the timeout interrupt status of socket(Sn_IR_TIMEOUT).
  • V1.00
  • First released.
  • Internet : Application protocols
  • Revision History
  • V1.11 (2013-12-26)
  • DHCP Client
    1. Modify variable declaration(dhcp_tick_1s) for code optimization in dhcp.c
  • V1.10
  • DHCP Client
    1. Optimize code
    2. Add reg_dhcp_cbfunc()
    3. Add DHCP_stop()
    4. Integrate check_DHCP_state() & DHCP_run() into DHCP_run()
    5. Don't care system endian
    6. Move unreferenced DEFINE to dns.c
    7. Remove the unused DEFINE
    8. Add comments
  • DNS Client
    1. Remove secondary DNS server in DNS_run
      1. If 1st DNS_run failed, call DNS_run with 2nd DNS again
    2. DNS_timerHandler → DNS_time_handler
    3. Move unreferenced DEFINE to dns.c
    4. Remove the unused define
    5. Integrated dns.h dns.c & dns_parse.h dns_parse.c into dns.h & dns.c
  • V1.00
  • First released.
    • DHCP Client (Dynamic Host Configuration Protocol Client)
    • DNS Client (Domain Name System Client)

< Application code examples : latest version >

Application Update Note Download Link
STM32F103X
CooCox CoIDE Project		 Loopback Test 2013-11-04 - Click
DHCP Client 2013-12-26 - Click
DNS Client 2013-12-26 - Click
EnergyMicro
Tiny GECKO(EFM32TG840F32)
IAR Project 		Loopback Test
DHCP Client
DNS Client 		2013-12-20 - Click

< Application code examples : old version >

Application Update Note Download Link
STM32F103X
CooCox CoIDE Project 		Loopback Test 2013-10-23 - Click
DHCP Client 2013-11-08 - Click
DNS Client 2013-11-08 - Click

These projects do not contain [Ethernet] and [Internet] codes. (Empty directory)

Please download ioLibrary_BSD APIs and Application protocols,
and then insert to each of same named directory in provided project.

< History >

  • Application code example
    • Example project was made by CooCox CoIDE with the STM32F103X Cortex-M3 platform.
      • Loopback Test
        • 2013-11-04 Changes
          1. main.c : refine and rearrange source code.
          2. Separated Project code / APIs and Applications
      • DHCP Client
        • 2013-12-26 Changes
          1. main.c : refine and rearrange source code for improved DHCP code.
      • DNS Client
        • 2013-12-26 Changes
          1. main.c : refine and rearrange source code for improved DNS code

Description

This driver provides BSD-type Socket APIs for W5500. Because the function names of this driver are more user-friendly than those of the older drivers, …, current WIZnet chip users can easily migrate from their WIZnet chip application to the W5500 application. All drivers for W5100, W5200 and W5300 will be merged into the ioLibrary in the near future. All application protocols will also be merged into ioLibrary based on this BSD-type Socket APIs.

This table shows the differences between other BSD drivers and new W5500 driver.

Driver Other BSD Drivers W5500 Driver
Variables Type type.h (made by wiznet)
ex) uint16 		stdint.h (standard)
ex) uint16_t
Register Naming REGName + Index

ex) SIPR0 , SIPR1, SIPR2, SIPR3 		REGName & WIZCHIP_OFFSET_INC

ex> SIP,
WIZCHIP_OFFSET_INC(SIP,1),
WIZCHIP_OFFSET_INC(SIP,2),
WIZCHIP_OFFSET_INC(SIP,3)
Basic IO function IINCHIP_READ
IINCHIP_WRITE
IINCHIP_READ_BUF
IINCHIP_WRITE_BUF

16bit Address Space
User should implement Functions
MCU Dependent 		WIZCHIP_READ
WIZCHIP_WRITE
WIZCHIP_READ_BUF
WIZCHIP_WRITE_BUF

32bit Address Space
Since users implement MCU-dependent parts and then register them as Callback function, users don't need to implement the Function itself.

Supports IINCHIP_XXX function for backward compatiblity.
Register Function IINCHIP_XXX can be used. Supports some getREG() & setREG() functions.
It is not recommended to use WIZCHIP_XXXX. Supports getREG() & setREG() functions or macros for all registers.
Extra Functions None Optional and omissible Supports User-friendly named functions. All extra functions can be implemented by using setREG() & getREG().
Socket APIs Other BSD Drivers W5500 Driver
Return Value void
Success or Fail
Transmit/Receive Size 		Success or Fail
Transmit/Receive Size
All functions return.
Error Code None SOCK_BUSY : 0
SOCKERR_SOCKNUM
SOCKERR_SOCKOPT
SOCKERR_SOCKINIT
SOCKERR_SOCKCLOSED
SOCKERR_SOCKMODE
SOCKERR_SOCKFLAG
SOCKERR_SOCKSTATUS
SOCKERR_ARG
SOCKERR_PORTZERO
SOCKERR_IPINVALID
SOCKERR_TIMEOUT
SOCKERR_DATALEN
SOCKERR_BUFFER
SOCKFATAL_PACKLEN
IO Mode Block & Non-Block Fixed Block or Non-Block configurable
Block Function send
recv
sendto
recvfrom
send
recv
sendto
recvfrom
connect
Non-Block Function connect
recvfrom Should read data in received packet unit. Can read data received packet separately.
  • Socket APIs
    • Function Name
      • Same as the function name of previous drivers
    • Function Return value
      • Previous Drivers: Void or Success/Fail and Transmit/Receive Size
      • W5500 Driver: All functions return Success and Fail. In Fail case, operations are subdivided.
        • Success: SOCK_OK, Socket Number, Transmit and Receive Size
        • Fail: SOCK_BUSY, SOCKERR_XXX, SOCKFATAL_XXX ( 0 or Negative value)
          1. SOCK_BUSY : 0
          2. SOCKERR_SOCKNUM
          3. SOCKERR_SOCKOPT
          4. SOCKERR_SOCKINIT
          5. SOCKERR_SOCKCLOSED
          6. SOCKERR_SOCKMODE
          7. SOCKERR_SOCKFLAG
          8. SOCKERR_SOCKSTATUS
          9. SOCKERR_ARG
          10. SOCKERR_PORTZERO
          11. SOCKERR_IPINVALID
          12. SOCKERR_TIMEOUT
          13. SOCKERR_DATALEN
          14. SOCKERR_BUFFER
          15. SOCKFATAL_PACKLEN
    • Block / Non-Block IO mode
      • Previous Drivers : Block function and Non-Block function were mixed.
        • Block Function : send(), recv(), sento(), recvfrom()
        • Non-block Function : connect()
        • Blocking can be avoided by using getSn_SR(), getSn_TX_FSR(), and getSn_RX_RSR() properly.
      • W5500 Driver
        • Block / Non-Block IO mode can be selected by user. (Default: Block mode)
        • socket() with new flag SF_IO_NONBLOCK or setsockopt() with SO_SET_IOMODE Can be configured.
        • Block and Non-block Configurable Function
        • connect(), send(), recv(), sendto(), recvfrom()
        • getSn_SR(), getSn_TX_FSR() and getSn_RX_RSR() functions can be used like … like previous drivers. They are not related to IO mode

2. ioLibrary

Download

< ioLibrary with example project : latest version >

Application Version Note Download Link
Cookie board Loopback test 1.0.2 - Click

<Revision History>

  • v102
    • socket.c(Refer to 2014-03-18)
      1. TCPReSend() : Remove this function and related codes because TCP send mechanism was changed.
      2. TCPReSendNB() : Remove this function and related codes because TCP send mechanism was changed.
      3. TCPSendCHK() : Modify return value.
      4. TCPSend() : Change return value to len.
    • loopback.c(Refer to 2014-03-18)
      1. Existing mechanism resend packet if don't send all received packet, but change not to resend.
  • v100
    • First release

< ioLibrary : latest version >

Description Version Note Download Link
Driver Source code ioLibrary source code 1.0.2 - Click

< ioLibrary : old version >

Description Version Note Download Link
Driver Source code ioLibrary source code 1.0.0 - Click
Driver documents Socket APIs Help(chm, html)
(To use html, open the index.html) 		1.0.0 - Click

This ioLibrary has basic I/O functions, socket register access functions, common register access functions, utilities and functions for setting up a platform and network This code has been evaluated on the CooCox Cookie Board with ARM Cortex-M0 MCU.

Please refer to this link for more details.

The figure below shows the folder structure of this ioLibrary.

3. BSD Type driver for W5200 User

This driver has the same BSD as the API for W5200 users. We have been evaluating this code on the ARM-CortexM3(STM32F103 series) chipset.

This type of driver is the final version. We will not update it later. Please use the new (well coded :-)) driver code for new projects.

products/w5500/driver.txt · Last modified: 2015/03/16 10:33 (external edit)

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