Internet Library 5.56 Release note

Jul 11, 2013 - Author: Sierra Wireless - Version 5.56 - 7638 Views

Table of Contents

1     Introduction 

1.1         Scope of this document

1.2         Audience of this document

1.3         New Features / Enhancements

2     Abbreviations and definitions 

3     Related documentation 

4     Compatibility 

4.1         Hardware

4.2         Software

4.3         Software Tools

5     Software Release Description 

5.1         Release identification 

6     Software Changes Description 

6.1         Validated Corrections / Improvements

6.2         Interface Changes

7     Restrictions and Additional Information 

 


 

1        Introduction

1.1       Scope of this document

The scope of this document is the Internet Library 5.56 release description for the AirPrimes listed in the compatibility section.

 

1.2       Audience of this document

 This release note may be distributed to all direct and indirect customers and will be posted in Sierra Wireless Developer Zone

 

1.3       New Features / Enhancements

No new features have been introduced in this release.

 

2        Abbreviations and definitions

Abbreviation/Acronym

Definitions

DLE

Data link escape character

DHCP

Dynamic Host Configuration Protocol

ETX

End Of Text character

FTP

File Transfer Protocol

GPIO

General Purpose Input/Output

GPRS

General Packet Radio Service

GSM

Global System for Mobile communications

HTTP

Hypertext Transfer Protocol

HTTPS

Hypertext Transfer Protocol Secure

Internet Application

Formerly WIPsoft

Internet Library

Formerly WIPlib

IP

Internet Protocol

SIM

Subscriber Identity Module

SNMP

Simple Network Management Protocol

SSL

Secure Sockets Layer

TCP

Transmission Control Protocol

UDP

User Datagram Protocol

 

3        Related documentation

Ref. #

Doc. #

Document title

[1]

4111845

Connectivity Development Guide Internet Library 5.56

[2]

4111846

Internet AT Command User Guide Internet Application 5.56

[3]

4111843

AT Commands Interface Guide for Firmware 7.52

[4]

4111844

ADL User Guide for Open AT Application Framework OS 6.52

 

4        Compatibility

4.1       Hardware

AirPrime Compatibility list

AirPrime Q2686 Refreshed / AirPrime Q2687 Refreshed

AirPrime SL6087

AirLink Fastrack Xtend EDGE (FXT009)

 

4.2       Software

Component

Version

Firmware

7.52.0.201306260837

Open AT OS

6.52.0.201306271400

 

4.3       Software Tools

S/W Tools Name

Version

Developer Studio

2.3.1

Compilation Tool Chain

ARM_EABI_GCC and RVDS

 

5        Software Release Description

5.1       Release identification

Component

Revision

Software Identification

5.56.0.201305170830

Date of generation

2013-05-17


 

6        Software Changes Description

6.1       Validated Corrections / Improvements

ID

Description

Impacted Domain

Impacted Sub-Domain

Fixed in

47661

"+CME ERROR: 841" is received in place of "+CME ERROR: 842", if an invalid FTP server name is given while establishing FTP session.

Internet Application

OTHER

5.56

59405

The +CME ERROR: 837 received instead of +CME ERROR: 831 when the command AT+WIPDATA is issued without creating any bearer or socket.

Internet Application

OTHER

5.56

64806

Internet bearer opens successfully even if the Internet stack is stopped using AT+WIPCFG=0.

Internet Application

OTHER

5.56

65593

Connecting and disconnecting a socket in a loop, using Internet Application, leads to a reset.

Internet Application

OTHER

5.56

55783

Functions of Security library not called if an application links to both Internet and Security library.

Internet Library

OTHER

5.56

62999

Using Internet Library, If GPIO subscription and power on is done during the I2C bus subscription or read operation, then I2C bus status is sometimes returned as busy. This ‘busy’ status leads to an error while reading of MAC Address.

Internet Library

OTHER

5.56

64959

WIP_CEV_PEER_CLOSE EVENT is not received with the HTTPS in case Server Shutdowns after data channel has been opened.

Internet Library

OTHER

5.56

65832

Using Internet Library, When a GET Request is sent from SNMP manager to SNMP agent before getting the response of the previously sent GET request, then AirPrime freezes.

Internet Library

OTHER

5.56

65853

When SNMP session is closed using the API wip_snmpClose(), the AirPrime resets.

Internet Library

OTHER

5.56

66608

WIP_CEV_PEER_CLOSE event is not correctly managed by Internet Library when HTTP client is used on a non-persistent HTTP server. In this case, HTTP server closes the socket after each request, but Internet Library doesn’t close it on its side. So, if a second HTTP request is sent to the same server, it fails since the connection is closed on the server side.

Internet Library

OTHER

5.56

59087

When trying to set the data representation type at UART2 using Internet Application command AT+WIPOPT=4,1,2,40,x, after the FTP connection is made the expected OK response is not received.

Internet Application

OTHER

5.54

59200

Unable to open server socket again, after closing the server socket and client socket (in this order).

Internet Application

OTHER

5.54

61424

AirPrime cannot switch from DATA mode to AT mode if [ETX] character is encountered after HTTP POST method.

Internet Application

OTHER

5.54

62074

When API wip_close() is called after successful HTTP GET/POST, HTTP GET/POST fails on next attempt.

Internet Application

OTHER

5.54

62628

AirPrime goes into DATA mode even when issuing the AT+WIPDATA command with unused (inactive) socket. Escape sequence "+++" needs to be given to come out of DATA mode.

Internet Application

OTHER

5.54

60910

AirPrime resets when GPRS bearer is opened and closed repeatedly in a loop using APIs wip_bearerOpen() and wip_bearerClose().

Internet Library

OTHER

5.54

62752

When API wip_getFileOpts() is used with HTTP POST method and with header "Connection" with value "Keep-Alive" and header "Expect", "100-continue", then there can be multiple responses received from Server for a single request. And when API wip_getOpts() is called to get the values of WIP_COPT_HTTP_STATUS_CODE and WIP_COPT_HTTP_STATUS_REASON for each response, the values of first response are returned for all the further responses till the next request.

Internet Library

OTHER

5.54

 

6.2       Interface Changes

Command

Comment

AT+WIPDATA

Maximum size of an UDP datagram has been fixed to 8192 Bytes. Earlier, it was 5904 Bytes.

AT+WIPCREATE

AT+WIPCLOSE

AT+WIPDATA

New protocol option <9 = SSL TCP client> has been added.

wip_HTTPClientCreateOpts

New option, WIP_COPT_HTTPS_SESSION_ID, introduced to set the Ticket Session ID for HTTPS procedure.

wip_bearerOpen

wip_bearerClose

wip_bearerSetOpts

wip_bearerGetOpts

wip_bearerStart

wip_bearerAnswer

wip_bearerStartServer

wip_bearerStop

wip_bearerFreeList

wip_bearerGetDrvOption

wip_bearerSetDrvOption

Bearer management APIs return WIP_BERR_BAD_CONTEXT when they are not used in the main task.


7        Restrictions and Additional Information 

Issue ID

Description (What/When)

Impacted Domain

Impacted Sub-Domain

66979

When more than 2 stack options are configured at the same time after issuing "AT+WIPCFG=4,1" command, only the last option set can be retrieved properly while the earlier set options are set back to original values.

Internet Application

OTHER

52499

Incorrect error codes are received when invalid peer IP address is given while trying to establish TCP Server Client connection.

Internet Library

OTHER

52919

When file containing only DLE ETX character sequence is sent from TCP client to the server then data loss occurs and "SHUTDOWN" indication is received.

Internet Library

OTHER

54010

When using wip_list API, WIP_CEV_PEER_CLOSE event is not received after the last data is received.

Internet Library

OTHER

55021

It is not possible to start the Ethernet bearer with DHCP enabled. Also with DHCP disabled, the Ethernet bearer does not get unsubscribed on removing the Ethernet cable.

Internet Library

OTHER

60917

While trying to execute Internet Application commands using function adl_atCmdSendExt() from a command handler of customized command, subscribed in an application, then sometimes response to Internet Application commands is not received.

Internet Library

OTHER

 

Documentation

Comment

Related items

Internet library
This library offers TCP/IP features including UDP and TCP sockets, file transfer protocol (FTP client), email (POP3/SMTP), HTTP, SNMP, PING and MMS. It also enables gateway functionality and IP routing management by providing DHCP server, Port Forwarding, DNS proxy, and NAT feature.
Internet Application 5.56 AT Commands Interface Specification
This document provides full description of AT commands supported by AirPrime wireless modules and AirLink Programmable Gateways.
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