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1. New Features
No new features have been introduced in this release.
2. Software Release Description
2.1. Software Identification
3. Known Restrictions
ID
Description (What / When)
Impacted Domain
Impacted Sub Domain
61424
AirPrime cannot switch from DATA mode to AT mode if [ETX] character is encountered after HTTP POST method.
Internet Application
OTHER
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.
55455
+CME ERROR:800 is received instead of +CME ERROR:851 when Server Address, Username and Password parameters are missing in the internet application command AT+WIPCREATE=4,1 to create the FTP server.
60917
While trying to execute Internet Application commands using function adl_atCmdSendExt() from a command handler of customized command, subscribed in an embedded application, then sometimes response to Internet Application commands is not received.
Internet Library
59494
GPRS bearer is not started if wip_bearerStart() is called in the +CGREG unsolicited handler. However, this can be achieved by starting the bearer in +CREG callback instead.
58386
AirPrime may reset while transferring MMS with file greater than 6KB in "chunked data transfer encoding".
57788
wip_bearerSetOpts() returns OK instead of WIP_BERR_BAD_STATE when the GPRS bearer is not in DISCONNECTED state.
56165
If the network is lost (+WIND: 8 is received) between bearer start and reception of bearer connect event, Internet library is no more responsive and no event exchange takes place.
56164
AirPrime may reset when network connection is lost during GPRS bearer stop operation.
55094
Ethernet bearer cannot be reopened after restarting the IP Stack.
55029
When an FTP server is established on UART PPP bearer, reset is observed while closing the stack without first closing the bearer.
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.
54402
Sometimes the AirPrime stops responding if the TCP/IP internet stack is closed before closing the open ethernet bearer.
54010
When using wip_list API, WIP_CEV_PEER_CLOSE event is not received after the last data is received.
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.
52499
Incorrect error codes are received when invalid peer IP address is given while trying to establish TCP Server Client connection.
4. Interface Modifications
No interface modifications have been in introduced in Internet Library 5.43.3.
Fixed in
60150
On UART1, when trying to start or stop a GPRS bearer on any virtual port other than the virtual port on which GPRS bearer was opened, the OK response is received on the virtual port on which the GPRS bearer was opened instead on the same virtual port on which the command was issued.
Internet Application 5.42
60285
For MMS service, while using WIPSoft command AT+WIPOPT to attach the files, the embedded module gets reset if the total size increases more than 150Kbytes.
60271
Error is received while trying to upload/download a file with filename greater than 62 characters. However, the ‘filename‘parameter of ‘+WIPFILE’ command can take 128 characters.
Internet Library 5.42
43781
+CME ERROR:841 is received instead of +WIPPEERCLOSE when FTP session is closed by peer.
Internet Application 5.41
56102
No +WIPFILE indication received when using HTTP_POST method in AT+WIPFILE wipsoft command.
58000
+WIPPEERCLOSE indication is not received on closing the FTP channel manually using the command AT+WIPCLOSE=4,<idx>
59518
A new option has been added in AT+WIPBR to return detailed CME Error codes or a generic error (+CME ERROR: 812) in the case of GPRS set up is failure.
59551
Reset is observed if an attempt is made to establish a POP3 session over an index value greater than 9 using the AT+WIPCREATE command.
59569
WIP Plug-in component information is incorrect in WIPSoft. It is displayed as "foo Plug-in Package" with an incorrect version number.
56411 58873 58874
Compiling a C++ application using WIPLib as Plug-in fails. Compilation errors are received as some structure fields in a WIP header file are named as Sierra Wireless defined data types. Workaround: use u32 _u32; s32 _s32; in WIP header file.
Internet Library 5.41
57579
After the local SIM is removed and the remote SIM is inserted while GPRS setup is in progress, the WIP bearer startup for the remote SIM fails and no notification or WIP plug-In event is sent for the same.
58253
When SIM is removed, WIP_BEV_STOPPED event is not sent out when GPRS bearer is started using WIP.
50608
In the case of GPRS set up is failure, WIP now returns specific error codes instead of a generalized event (WIP_BERR_GPRS_FAILED).
52249
The "+WIPPEERCLOSE" unsolicited indication is not received when the FTP channel is closed by the server due to time out.
54171
When an error is generated on a TCP Channel, wip_getOpts() returns the correct error code in WIPLib but error code is not correctly displayed by WIPSoft.
5. Corrections & Improvements
56368
WIP net init returns error -26 (WM_EINVAL) when called from task ID greater than 16.
56731 58865
Reconnecting to the Embedded module from Windows PC using PPP bearer fails even when WIP_BOPT_RESTART is set TRUE . Windows pops up Error:777 after attempted to reconnect.
57970
TCP server socket could not be created using TCP server sample when WIP API wip_TCPServerCreateOpts() is being used in sample.
59853
Ethernet controller may not be stable when AHB (Advanced High-performance Bus) clock of the Embedded module is increased from 26Mhz to 52 MHz (using AT+WCPS). This is because the C-Ethernet plug-in SPI bus runs at 26MHz instead of 13MHz but the Microchip chip supports only upto 20MHz.
59121
When compared against iDE v1, stack size allocated in WipSoft application (compiled in RVDS and ADS) has increased when built using Developer Studio.
59166
When compared against iDE v1, stack size allocated in WIP samples (compiled in RVDS and ADS) has increased when built using Developer Studio. Note: This will not affect current customer applications.
57526
+CME ERROR: 847 is not received when the timer expires while trying to connect to GPRS bearer using WIPSoft.
Internet Application 5.40
57583
Peer port is displayed as 0 in +WIPDATA indication for UDP protocol.
56324
OK is not displayed when socket command subscription is successful.
57230
To prevent data corruption, MMS Transaction ID buffer has been increased from 10bytes to 11bytes.
Internet Library 5.40
57462
Repeated GPRS bearer start and stop along with stack open and close leads to module reset.
57504
User receives +CME ERROR:847 and bearer gets disconnected when AT+WIPBR=4,6,0 command is given at the time GPRS bearer is already connected. Ideally, only +CME ERROR:803 should be received and not followed by +CME ERROR:847, when user attempts to start the GPRS bearer at the time the bearer is already connected. The GPRS bearer should not get disconnected after 2 minutes on such an attempt.
Internet Application 5.32
54436
On giving the command AT+WIPBR=2, 6, <opt num>, <value> where <opt num>=12/13/14/20 and value=alphabet/negative, user receives +CME ERROR: 800 instead of +CME ERROR: 801.
Internet Application 5.31
56360
WIP_BERR_NO_DEV error is received while opening Ethernet bearer with RVDS binary. It works fine with GCC compiled binary. User should not get this error irrespective of compiler being used i.e. GCC or RVDS.
56883
Creating and closing the HTTP sessions consecutively for sometimes causes Embedded module to reset. This is due to memory leak while opening and closing the HTTP Sessions.
53515
It is not possible to send data through UDP client socket in the continuous data mode, using WIPSoft application compiled on RVDS compiler. The Embedded module gets reset. Ideally, user should be able to exchange data over UDP socket using application compiled on any of the compilers: ADC/GCC/RVDS.
54615
When AT+WIPBR command is issued with "invalid value" for the option WIP_BOPT_LOGIN, OK response is received instead of +CME ERROR: 801. Note that this command is given after starting the stack (AT+WIPCFG=1) and opening the particular bearer (AT+WIPBR=1, 6).
54984
The user cannot retrieve the IP address values set through +WIPBR command, before or after starting the bearer. Ideally, the user should be able to retrieve the IP related values after starting the bearer.
55050
Using WIPSoft, the unsolicited indications +WIPDATA, +WIPACCEPT, +WIPFILE and +WIPREADY are not received on all the ports opened (USB, CMUX and UARTS). Ideally, these unsolicited indications should be received at all open ports.
53459
When wip_putfile () API is provided with invalid file path for FTP protocol, the event WIP_CEV_OPEN followed by WIP_CEV_WRITE event are received in the file data handler. The ideal behavior should have been receiving WIP_CEV_ERROR in file data handler. Note that, this behavior is observed only in passive mode of FTP and not in case of active mode FTP.
Internet Library 5.30
53549
The "WIP_BEV_STOPPED" event is not received when Ethernet bearer is stopped using wip_bearerStop () API.
54452
After activating PDP context with CID 1 with WIP bearer APIs, then the dialing ATD*99**2# with CID 2 freezes the dialing process. It is not possible to open another PDP context when bearer is started using WIP Plug-In.
54671
It is not possible to perform operations such as set or get options through an Embedded application, compiled with RVDS compiler. The error -998 is received from WIP Library. Ideally user should be able to perform the above operations on RVDS also, as already being able to successfully perform on other two compilers: GCC and ADS.
54982
User will not be able to create a socket after starting the Ethernet bearer, when DHCP is disabled. Ideally, user should be able to create a socket for both the cases: DHCP enabled or disabled.
55022
It is not possible to create a socket after starting the Ethernet bearer, "+CME ERROR: 803" is attained. Ideally the user should be able to create a socket after starting Ethernet bearer, irrespective whether DHCP is enabled or disabled.
56419
When mail is downloaded using POP3 protocol and WIPSoft application, data gets corrupted. Some characters are missing from the downloaded mail.
52954
Using WIPSoft, while creating an FTP/POP3/SMTP/HTTP/UDP session using “AT+WIPCREATE” command, if the peer port/local port number is not provided then “+CME ERROR 847” is returned.
Internet Application 5.21
54438
For AT+WIPCREATE command (UDP) having port number with odd number of digits (within port range 1-65535) +CME ERROR: 800 are returned. Also, for port number out of bounds but having odd number of digits +CME ERROR: 800 is returned instead of +CME ERROR: 832.
55648
When sending data using DTR toggling mode with WIPSoft, data loss occurs. Ideally there should not be any data loss.
53546
OK is received before the CONNECT indication while downloading a file of small size from FTP server over UART PPP bearer.
54789
Using WIPSoft, if the DTR signal is used to switch from DATA mode (ONLINE) to AT mode (OFFLINE), in some cases, the V24 request does not go in to OFFLINE. Even after manually trying +++ command the transition does not occur. Wireless CPU® has to be restarted to get out of this state.
54049
Using WIPSoft, "+CME ERROR: 851" is returned when creating FTP/HTTP/SMTP/POP3 data channel with default value of optional parameter.
54400
When Ethernet bearer is opened and closed multiple times using AT+WIPBR command then a reset is observed on Wireless CPU® most of the times.
44584
Using WIPSoft, when an attempt is made to download a non-existing file from a FTP server, the FCM flow switches to data mode and CONNECT indication is received on the external application.
50057
Sometime for +WIPPING command, the number of PING response received is one less than the specified number of PING echo request specified(WIP_COPT_REPEAT).
Internet Library 5.20
51380
It is not possible to open a second PDP context using cid2 when bearer is started using Open AT® WIP Plug-In.
51761
FTP data channel is closed by WIP when an error is raised by the socket. This leads to memory corruption if the user application keeps using this channel, since it does not exist anymore.
52283
Response to a Ping request is not systematically sent to user application, whatever the timeout value.
52453
Sometime the “response_time” parameter is set zero with timeout parameter specified in the +WIPPING command.
54787
Unable to make multiple connections with IDS server when a Ping application is running in parallel
53931
When activating Ping channel to send several ping requests, if the channel is closed by application before completion of all ping requests, error -995 is reported.
46367
WIP_COPT_POP3_MAILSIZE option will return the value received by the 'LIST n' command and not the 'RETR n' command.
Internet Library 5.10
47094
When an attempt is made to change the "Data representation TYPE" for FTP protocol using “AT+WIPOPT” command, the type is not set successfully for the FTP session.
47660
Invalid value read from WIPSoft for option 7 (WIP_COPT_NODELAY) for TCP Channels.
48994
With current implementation, application can't manually set the Ethernet link configuration and each try will set 10 Base T always. Next version will set correctly the link speed.
49013 49014
Currently, customer can't read back value that was configured. After change, value of this option will be correctly returned.
49268
Application can set a 32bits value for NAT timeouts but can't read value if >65535. Correction will correct this problem.
49873
Result of ping function is a multiple of 500ms.
49918
Wireless CPU® reset is observed while setting options with NULL MMS structure pointer.
50009
If you get an HTTPS page without initialized WIPSSL library, you get a reboot.
50410
WIP does not fully release memory it was allocated. Customer app will consume 272 bytes of heap memory as soon as WIP was initialized. After correction, these 272 bytes will be freed.
50446
In a HTTP Client, an event WIP_CERR_CSTATE is generated at the final call of WIP_CEV_READ event.
50640
When the WIP sample applications are compiled with the Eclipse environment, the compilation fails.
50656
It is not possible to use specific socket parameters with high level protocol (such as FTP).
50657
Customer application doesn't receive a DONE event for a file operation and so, it must wait sometimes after a PEER_CLOSE event on the data channel before issuing the next operation.
50679
A WIP_CEV_WRITE event is actually generated at the opening of an FTP file download channel. Filter in wrapper channel should allow application to receive only relevant events according the file operation.
50806
If an UART is switched to DATA mode with wip_fcmCreate() then switched back to AT mode with "+++" escape sequence, no further subscription to that FCM port will succeed.
51257
The HTTP method used is not traced properly.
51261
Cannot send mms using Vodafone or Tim operator in Italy, as their service center reject anonymous message sending.
51437
unable to compile the TCP_CLIENT sample application in RTE mode using ECLPISE IDE
46887
Application can't set the Ethernet interface link configuration nor the promiscuous mode.
Internet Library 5.00
48103
When a finalizer is specified for the HTTP SESSION channel, it is called prematurely.
42734
No response is received if an attempt is made to exchange data for the second time for FTP/HTTP/SMTP/POP3 protocols.
WIPLib 4.00
45232
When An email is sent using SMTP protocol from an SMTP server, the body is not received correctly or the e-mail is not received at all.
47095
SMTP doesn't respect the RFC requirements for addresses encoding
47097
"AT+WIPPING" does not work for the first time when used with a DNS name
44666
It is not possible to create a PPP client on the Wireless CPU® which connects with the PPP server on the PC.
52786
Data loss is observed in the UART when a file is downloaded from the FTP server at lower baud rates especially at 9600 baud/s or below.
Internet Application 5.12
51799
Data corruption occurs when a binary file is sent from a utility (UdpPktTest.exe) to the Wireless CPU®, (with WIPSoft application) in case of UDP protocol.
53038
The “+WIPFILE” indication is not received after switching to AT mode on completion of get file request, through a HTTP session.
52859
It is not possible to create an HTTP session without specifying the server address in WIPSoft.
51445
Two CONNECT indications are received when file is uploaded using FTP protocol.
43776
OK is not received when values are read using +WIPOPT command for FTP protocol.
40606
Data can be lost if an attempt is made to write large amount of data to an UDP socket.
51285
NET 10 level traces are not displayed in TMT to get the debug information when WIP Soft application is used.
48612
In Wireless CPU®, during FTP download data loss is experienced.
52861
Debug traces are not sent to USB port when activated using +WIPCFG command in WIPSoft.
52224
Closing the PPP connection after creation of TCP socket leads to WCPU reset.
51725
While uploading a file, if “+++” is issued to switch to AT mode, two “OK” responses are received in case of FTP protocol.
50028
When the +WIPFILE command is used to retrieve data from server, the first chunk of data is not received.
48164
Incorrect +CME ERROR codes are sent by WIPSOFT for PPP LINK failure and PPP Terminate requests.
47657
Wrong error code is being displayed for the +WIPCREATE command.
44320
Responses for file session are not sent to the port on which the file session is created for SMTP and POP3 protocols.
43737
The “WIP_CERR_NOT_SUPPORTED” error code is received when an attempt is made to map an UDP socket to continuous mode of data transmission.
52318
Unexpected "OK" indication is received before “+WIPPEERCLOSE” indication, in case of SMTP and POP3 protocol.
51910
It is not possible to delete or retrieve a mail for the second time when the first attempt returns an error in case of POP3 protocol.
47949
+WIPDATA, +WIPFILE and +WIPACCEPT unsolicited indications are not received with UART2, CMUX and USB ports.
44436
Error codes returned by the “AT+WIPOPT” command for setting/retrieving different options for UDP, TCP server and TCP client sockets are not uniform.
44364
No response is attained if an attempt is made to create/start a socket/session with less than/more than minimum/maximum number of mandatory parameters for any protocol. No error code is returned if the specified number of parameters is more than the maximum number of mandatory parameters for starting/closing stack and saving/erasing TCP/IP stack configuration parameters into/from flash.
44363
Negative option value for the FTP session returns “+CME ERROR: 800” error code instead of “+CME ERROR: 801”.
44362
Zero value for the “WIP_BOPT_GPRS_CID” option returns “OK” response though the valid value ranges from 1 to 4
44370
Not able to use option WIP_WOPT_RCV_LOWAT provided by WIPSoft.
Internet Application 5.11
51164
Customer application is unable to use HTTP GET request using WipSoft, especially using small web pages.
51753
It is not possible to upload or download a file for the second time when the first trial returns an error in case of FTP protocol.
51756
“OK” response returned for the invalid AT+WIPDATA command e.g.: AT+WIPDATA=2,1, or AT+WIPDATA=1,1,
51815
“CME ERROR:800” is returned when trying to upload a file without specifying the path i.e. AT+WIPFILE = 4,1,2,"ftptest.txt"
50888
UDP continuous transparent mode is not in compliant with GR64 behavior.
47765
41712
Data is lost while large chunk of data is sent/received for TCP and UDP protocol.
48061
Unsolicited responses are sometimes not attained in the external application until an unless addition AT command is executed.
44710
Add one new mode through +WIPCFG AT command to allow or not the “+++” escape sequence to be sent as data towards the remote IP device.
45535
Recreation of TCP client socket is unsuccessful when the URL is used instead of IP address.
37108
When creating a socket with the wip_create() (wiplib) or AT+WIPCREATE (wipsoft) just after the call of wipclose() (wiplib) or AT+WIPCLOSE (from wipsoft) of that socket (same address and port) , that created socket cannot function properly as expected because the socket closing needs time and is not immediate. Workaround: The socket open call should not be called just after a socket close call: After a call to wip_close() or AT+WIPCLOSE to close a socket, a delay of one second is necessary before calling again the wip_create() or AT+WIPCREATE to open a new socket. If due to that asynchronous process the socket open call is too close to the socket close call and that issue is encountered, another workaround is to close and reopen that socket.
47468 41712
Data is lost while large chunk of data is sent/received for TCP and UDP protocol
Internet Application 5.01