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Technical Information

Motorola W24 Developer’s Guide

AT+i Commands Reference Manual

MAY 31, 2008

6802985C10-A

Summary of content (256 pages)

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Technical Information Motorola W24 Developer’s Guide AT+i Commands Reference Manual MAY 31, 2008 6802985C10-A
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SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE Notice While reasonable efforts have been made to assure the accuracy of this document, Motorola, Inc. assumes no liability resulting from any inaccuracies or omissions in this document, or from use of the information obtained herein. The information in this document has been carefully checked and is believed to be entirely reliable. However, no responsibility is assumed for inaccuracies or omissions. Motorola, Inc.
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Trademarks MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Office. All other product or service names are the property of their respective owners. ©Copyright 2008 Motorola, Inc.
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Table of Contents Manual Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii Target Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii Manual Organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii Applicable Documents . . . . . . . . . . . . .
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Table of Contents +iTUP - Triggered Internet Session Initiation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7 +iDOWN - Terminate Internet Session . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8 +iPING - Send a PING Request to a Remote Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9 E-mail Send Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Table of Contents +iMCM - Issue Intermediate Command to Modem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Wireless LAN Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +iWLTR - Wireless LAN Transmission Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +iWLPW - Set WLAN Tx Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Table of Contents Software Flow Control Diagram in Binary E-Mail Send . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Software Flow Control During a Socket Send . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Software Flow Control Diagram in Socket Send . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Host -> W24 Hardware Flow Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Table of Contents Telnet Client Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-94 Secure Socket Protocol Theory of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-95 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-95 Generating Certificates for Use with Servers . . . . . . . . . . . . . .
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Table of Contents ISP Connection Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +iISPn - Set ISP Phone Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +iATH - Set PPP Authentication Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +iUSRN - Define Connection User Name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Table of Contents Wireless LAN Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +iWLCH - Wireless LAN Communication Channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +iWLSI - Wireless LAN Service Set Identifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +iWLWM - Wireless LAN WEP Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Table of Contents iRouter Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-193 +iARS - Automatic Router Start. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-193 Appendix A: MIME Content Types and Subtypes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1 Appendix B: Sample Parameter Update File . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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List of Figures 2-1 2-2 2-3 2-4 2-5 2-6 2-7 2-8 2-9 E-Mail Receive (RMM) Flow Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16 Configuring W24 when in iRouter Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-52 AT+i Interface to W24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-53 Software Flow Control in Binary E-Mail Send . . . . . . . . . . . . . . . . . . .
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List of Figures x AT+i Commands Reference Manual May 31, 2008
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List of Tables 1-1 1-2 2-1 2-2 2-3 2-4 2-5 2-6 AT+i Commands by Category . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7 AT+i Result Code Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12 Report Status Message Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 Server Names Acquired from DHCP Server . . . . . . . . . . . . . . . . . . .
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List of Tables xii AT+i Commands Reference Manual May 31, 2008
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Preface Manual Scope This manual introduces the W24 AT+i commands, and describes how software developers can use these commands to communicate with the W24 device, and to create software applications that communicate with the W24 using these commands. Note: The integrator should read the corresponding SW release notes for the W24 version he is using to get information about differences from this manual.
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Contact Us Contact Us We at Motorola want to make this guide as helpful as possible. Keep us informed of your comments and suggestions for improvements. For general contact, technical support, report documentation errors and to order manuals, use this email address: M2M.CustomerCare@motorola.com Motorola appreciates feedback from the users of our information. Text Conventions The following special paragraphs are used in this guide to point out information that must be read.
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Preface Field Service For Field Service requests, use this email address: M2M.Customer@motorola.com General Safety Remember!. . . safety depends on you! The following general safety precautions must be observed during all phases of operation, service, and repair of the equipment described in this manual. Failure to comply with these precautions or with specific warnings elsewhere in this manual violates safety standards of design, manufacture, and intended use of the equipment. Motorola, Inc.
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Caring for the Environment • not remove equipment covers. Only Factory Authorized Service Personnel or other qualified maintenance personnel may remove equipment covers for internal subassembly, or component replacement, or any internal adjustment • not replace components with power cable connected.
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Preface http://mynetworksupport.motorola.com Select Customer Network Resolution Center contact information. Alternatively if you do not have access to CNRC or the internet, contact the Local Motorola Office. Disposal of Motorola equipment in non-EU countries In non-EU countries, dispose of Motorola Networks equipment in accordance with national and regional regulations. RoHS Compliance The W24 product meets the European Union directive for RoHS compliance.
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How to Get Warranty Service? the applicable Motorola specifications current at the time of manufacture for a term of [1] year from date of purchase of the Product(s) (Warranty Term).
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Preface You must ensure that all and any repairs or servicing is handled at all times by a Motorola Authorized Service Center in accordance with the Motorola Service requirements. In some cases, you may be requested to provide additional information concerning the maintenance of the Products by Motorola Authorized Service Centers only, therefore it is important to keep a record of any previous repairs, and make them available if questions arise concerning maintenance.
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Installed Data 5. Products disassembled or repaired other than by Motorola in such a manner as to adversely affect performance or prevent adequate inspection and testing to verify any warranty claim. 6. Defects or damage due to range, coverage, availability, grade of service, or operation of the Wi-Fi Provider. 7. Defects or damage due to moist, liquid or spills of food. 8. Control unit coil cords in the Product that are stretched or have the modular tab broken. 9.
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Preface Revision History Manual Number 6802985C10-A Manual Title W24 Developer’s Guide: AT+i Commands Reference Manual Version Information The following table lists the manual version, date of version, and remarks about the version.
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Revision History xxii AT+i Commands Reference Manual May 31, 2008
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Chapter 1: Introduction to AT+i Commands AT+i Commands Overview AT+i commands are an extension to the basic AT commands set. They are parsed and acted upon by W24.
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AT+i Commands Overview Characters within the AT+i command line are parsed as commands with associated parameter values. The W24 supports editing of command lines by recognizing a backspace character. When ECHO is enabled, the W24 responds to receipt of a backspace by echoing a backspace character, a space character, and another backspace. When ECHO is disabled, backspace characters are treated as data characters without any further processing.
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Chapter 1: Introduction to AT+i Commands Flexible Host and Modem Interfaces The flexible host and modem interfaces feature enables users to select the interface through which W24 accepts AT+i commands from the host processor, as well as the interface through which AT+i commands are sent to a dialup or cellular modem.
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AT+i Commands Overview In auto baud mode, W24 expects an A or a character. This is usually the first character sent, since in command mode a meaningful command is always prefixed by AT+i. The host may send an a or A to the W24 to allow it to determine the host's baud rate. It may also send a complete AT+i command. In any case, W24 detects the A or a character, determines the correct baud rate, and configures its serial channel during the stop bit.
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Chapter 1: Introduction to AT+i Commands Internet Session Hang-up Procedure (Modem Only) Upon completion of a dial-up Internet session, the W24 automatically executes a modem hang-up procedure: • The DTR line is dropped. • After a 1second delay, W24 raises the DTR. • If the modem responds to the DTR drop with a No Carrier then Done. Otherwise, W24 issues a (+++) to the modem followed by ATH.
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AT+i Commands Overview W24 Readiness Indication This W24 Readiness Indication feature provides an indication of W24's readiness to accept AT+i commands following a hardware reset. Using this feature, W24 can also notify the host when it is ready for IP communication. This functionality is based on two parameters - RRA and RRHW. The RRA parameter can be set to send a software message to the host, assert a dedicated hardware pin, or do both.
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Chapter 1: Introduction to AT+i Commands General AT+i Command Format The AT+i command has the following general format: AT+i[[ | #UFn]…] The following table gives a short explanation of the fields: Parameter Description (or ) 2-4 letter command code () or parameter name () ~~Delimiter: '=', '~', '?', ':', ‘,‘ Optional parameter or data.~~
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General AT+i Command Format Table 1-1: AT+i Commands by Category (Cont.) Command Function Parameters/Description Connection BDRA Auto baud rate mode Forces W24 into auto baud rate detection mode. UP Connect to Internet Forces W24 to go online, establish an Internet session, and optionally register its IP address. TUP Triggered Internet session mode Enters a mode in which W24 goes online in response to triggers from external signals. It also supports a special Always Online mode.
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Chapter 1: Introduction to AT+i Commands Table 1-1: AT+i Commands by Category (Cont.) Command Function Parameters/Description Telnet Client TOPN Telnet open session Opens a Telnet session to a remote Telnet server. If W24 is not online, it is connected. TRCV Telnet receive Receives data from a remote Telnet server. TSND Telnet send line Sends an ASCII data line to a remote Telnet server. TBSN[%] Telnet send binary stream Sends a binary data stream to a remote Telnet server.
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General AT+i Command Format Table 1-1: AT+i Commands by Category (Cont.) Command Function Parameters/Description Socket Interface STCP:, [, ] Socket TCP Opens and connects a TCP socket. If W24 is not online, it is connected. The responding system is assumed to be a server listening on the specified socket. Returns a handle to the socket. SUDP: , [,] Socket UDP Opens, connects, and optionally binds a UDP socket. If W24 is not online, it is connected.
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Chapter 1: Introduction to AT+i Commands Table 1-1: AT+i Commands by Category (Cont.) Command Function Parameters/Description Wireless LAN WLTR WLAN transmission rate Sets the maximum allowable WLAN transmission rate. WLPW WLAN Tx power Sets the transmission power of the Marvell WLAN chipset. WRFU WLAN radio up Turns on radio transmission of the Marvell WLAN chipset. WRFD WLAN radio down Turns off radio transmission of the Marvell WLAN chipset.
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General AT+i Command Format AT+i Result Code Summary Table 1-2 gives the AT+i result code summary. Table 1-2: AT+i Result Code Summary Response String I/OK Command was successfully executed. I/BUSY W24 busy. Command discarded. I/DONE W24 completed Internet activity; returned to command mode, or entered SerialNET mode. I/ONLINE W24 completed Internet activity and returned to command mode, or entered SerialNET mode.
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Chapter 1: Introduction to AT+i Commands Table 1-2: AT+i Result Code Summary (Cont.) Response String May 31, 2008 Denotation 63 ~CTSH needs to be LOW to change to hardware flow control.
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General AT+i Command Format Table 1-2: AT+i Result Code Summary (Cont.) Response String 1-14 Denotation 111 Serial data overflow 112 Illegal command when modem online 113 E-mail firmware update attempted but not completed.
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Chapter 1: Introduction to AT+i Commands Table 1-2: AT+i Result Code Summary (Cont.
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General AT+i Command Format Table 1-2: AT+i Result Code Summary (Cont.) Response String Denotation 561 Remote peer closed the SerialNET socket 570 571 PING destination not found No reply to PING request Note: All W24 response strings are terminated with .
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Chapter 2: AT+i Commands Reference Report Status +i[!]RPi - Report Status Syntax: AT+i[!]RPi Returns a status report. Parameters: i=0..20 Command Options: i=0 Returns the W24 part number. i=1 Returns the current firmware revision and date. i=2 Returns the connection status. i=3 Returns boot-block revision and date. i=4 Returns W24 socket status. i=5 Returns a unique serial number. i=6 Returns current ARP table. i=7 Returns socket buffers utilization bitmap.
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Report Status AT+i!RP11 Returns a list of all ad-hoc networks available in the surrounding area. i=14 Returns a DHCP server table of MAC and IP addresses of all the stations connected to W24. i=19 Returns Analog-to-Digital Converter (ADC) pin status report. i=20 Returns a list of all APs and ad-hoc networks available in the surrounding area. Default: None Result Code: i=0..20 I/ERROR Status message followed by I/OK.
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Chapter 2: AT+i Commands Reference Table 2-1: Report Status Message Format (Cont.) Report Option 6 7 Format Current ARP table listing: INTERNET ADDRESS nnn.nnn.nnn.nnn For debugging purposes. PHYSICAL ADDRESS STATE TTL xxxxxxxxxxxx VALID nnn sec. I/xxxx xxxx – 16 bit Hex Value Bitmap A bit set to ‘1’ indicates that the corresponding socket contains buffered data, which needs to be read by the host.
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Report Status Table 2-1: Report Status Message Format (Cont.) Report Option Format 11 W24 scans all available Access Points (APs) in the surrounding area and returns a list of APs. Each line contains the following comma-separated fields: SSID, security scheme, and signal strength. The AP having the strongest signal appears first. ,, ,, . .
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Chapter 2: AT+i Commands Reference Table 2-1: Report Status Message Format (Cont.) May 31, 2008 Report Option Format 19 Returns Analog-to-Digital Converter (ADC) pin status report. If the ADCP parameter is set, the reports returns GPIO pin state. Otherwise, it returns the ADC value only. ADC value=, GPIO state= I/OK where • level is an integer in the range 0-255 representing the input voltage measured on the ADC pin, calculated as follows: (A/3.
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Connection Connection +iBDRA - Force W24 into Auto Baud Rate Mode Syntax: AT+iBDRA Forces the W24 into auto baud rate mode. The following A, AT or AT+i command (in any combination of upper or lowercase) from the host will synchronize on the host's baud rate. W24 supports auto baud rate detection for the following baud rates: 2400, 4800, 9600, 19200, 38400, 57600, and 115200. Result Code: I/OK This result code is sent using the previous baud rate.
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Chapter 2: AT+i Commands Reference +iTUP - Triggered Internet Session Initiation Syntax: AT+iTUP: Enter triggered Internet session initiation mode. This command is relevant in a modem environment only. Parameters: n=0..2 Command Options: n=0 Disable triggered Internet session initiation mode. n=1 Enter triggered Internet session initiation mode.
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Connection open TCP active sockets, but leaves UDP sockets and TCP passive (listening) sockets intact and updates their local IP if a new IP is assigned after establishing a new PPP connection. W24 does not close any open Internet sessions (FTP/Telnet sessions and so on), nor releases the handle of the active TCP sockets, thus giving the host a chance to read the session errors and get buffered incoming data from active TCP sockets.
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Chapter 2: AT+i Commands Reference +iPING - Send a PING Request to a Remote Server Syntax: AT+iPING: Sends a two-byte ICMP PING request packet to the remote host defined by host. Parameters: =Logical name of the target host or a host IP address. Command Options: The host name may be any legal Internet server name, which can be resolved by the W24's DNS (Domain Name Server) settings. The host name may also be specified as an absolute IP address given in DOT form.
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E-mail Send Commands E-mail Send Commands +iEMA - Accept ASCII-Coded Lines for E-Mail Send Syntax: AT+i[!]EMA: Defines a plain text e-mail body. Parameters: Plain text e-mail body. The e-mail body contains terminated ASCII character strings. must be terminated by a dot character (.) in the 1st column of an otherwise empty line. Command Options: ::={ …}.
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Chapter 2: AT+i Commands Reference +iEMB - Accept Binary Data for Immediate E-Mail Send Syntax: AT+i[!]EMB[#]:, Defines and sends a MIME-encoded binary e-mail. Parameters: Size of in bytes. bytes of binary data. Command Options: 0..4GB 8 bit binary data. Must be exactly bytes long. The binary data is encapsulated in a MIME-encoded e-mail message. The receiving end views the binary data as a standard e-mail attachment.
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E-mail Send Commands (active low). If a transmission error occurs while in hardware flow control, W24 continues receiving all remaining bytes before returning the I/ERROR response. • Some SMTP servers limit e-mail message size to a value that is lower than W24's limitations. +iE* - Terminate Binary E-Mail Syntax: AT+i[!]E* Terminates the current binary e-mail attachment. Parameters: Plain text e-mail body. The e-mail body contains terminated ASCII character strings.
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Chapter 2: AT+i Commands Reference E-Mail Retrieve +iRML - Retrieve Mail List Syntax: AT+i[!]RML Retrieves pending e-mail list from current mailbox. Command Options: ! Stay online after completing the command. Result Code: I/OK I/ERROR To acknowledge successful receipt of the command. Otherwise. Returns: I/MBE Otherwise: If the mailbox is empty. A list of qualifying e-mail message descriptors, separated by .
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E-Mail Retrieve i Optional e-mail message index of a qualifying message. If no parameter is used, all e-mail headers are retrieved. Command Options: i Optional index of a qualifying message, as reported by AT+iRML. ! Stay online after completing the command. Default: Retrieves headers of all pending qualified mail messages. Result Code: I/OK I/ERROR When command is received and about to be processed. Otherwise. Returns: I/MBE Otherwise: If the mailbox is empty.
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Chapter 2: AT+i Commands Reference I/ERROR Otherwise. Returns: I/MBE Otherwise: If the mailbox is empty.
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E-Mail Retrieve Figure 2-1 shows E-Mail Receive (RMM) flow diagram.
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Chapter 2: AT+i Commands Reference HTTP Client Interface +iRLNK - Retrieve Link Syntax: AT+i[!]RLNK[:URL] Retrieves a file from a URL. Parameters: URL = Optional URL address, which specifies the host, path, and source file to be retrieved. URL address syntax: "://[[:]/[]/]" Command Options: http or https. Host name or IP address. 0..65535 If not specified, defaults to 80 for http and 443 for https.
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HTTP Client Interface +iSLNK - Submit a POST Request to a Web Server Syntax: AT+i[!]SLNK: Submits a plain text POST request to a web server defined in the URL parameter. The "Content-type:" field of the POST request is defined by the CTT parameter. Parameters: = Plain text POST request body containing terminated ASCII character strings. must be terminated by a dot character (.) in the first column of an otherwise empty line.
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Chapter 2: AT+i Commands Reference SerialNET Mode Initiation +iSNMD - Activate SerialNET Mode Syntax: AT+i[! | @]SNMD Activates SerialNET mode. Instead of using the optional (!) and (@) flags, you can use the following syntax: AT+iSNMD=1 is equivalent to AT+iSNMD AT+iSNMD=2 is equivalent to AT+i!SNMD AT+iSNMD=3 is equivalent to AT+i@SNMD AT+iSNMD=4 causes W24 to enter SerialNET over TELNET mode Command Options: AT+i!SNMD -orAT+iSNMD=2 Optional Auto-Link mode.
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SerialNET Mode Initiation I/ONLINE After successfully activating SerialNET mode. Allow a 2.5 seconds delay for W24 re-initialization. -orI/OFFLINE After successfully activating SerialNET Auto-Link mode (!) or Deferred Connection mode. Note: To terminate SerialNET mode, issue the ESC sequence (+++), power-cycle the W24 with the MSEL signal pulled low for less than 5 seconds, or pull the MSEL signal low for more than 5 seconds during runtime.
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Chapter 2: AT+i Commands Reference Web Server Interface +iWWW - Activate Embedded Web Server Syntax: AT+iWWW[:n] Activates W24's internal web server. Parameters: Command Options: =Web browser backlog. n represents the number of browsers that can connect to W24's internal web server simultaneously at any given time. Note: Each additional browser (over the n number), will close a previous one and open its own. =1..
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File Transfer Protocol (FTP) File Transfer Protocol (FTP) +i[@]FOPN - FTP Open Session Syntax: AT+i[@]FOPN:[,]:,[,] Opens an FTP link to an FTP server. Parameters: Logical name of the FTP or the server's IP address. Optional FTP port in the range 0..65535. FTP user's name. FTP user's password. Optional FTP account.
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Chapter 2: AT+i Commands Reference +iFDL - FTP Directory Listing Syntax: AT+iFDL:[,] Returns a full FTP directory listing. Parameters: An open FTP session handle. Directory or filename wild card. Command Options: Must have been obtained by a previous execution of an AT+iFOPN command during the current Internet mode session. Optional directory name or filename wild card. If is a directory, that directory's files are listed.
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File Transfer Protocol (FTP) I/OK I/ERROR Returns: To acknowledge successful receipt of the command. If is not an open FTP session or otherwise some error has occurred. A bare list of filenames. Each file name is listed on a separate line, terminated by . No attributes are returned in addition to the filename. Followed by: I/ONLINE After successfully retrieving the directory list.
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Chapter 2: AT+i Commands Reference Absolute or relative path name of the new directory. The special directory ".." signifies "one directory up". Result Code: I/OK I/ERROR After successfully changing the working directory. Otherwise. +iFSZ - FTP File Size Syntax: AT+iFSZ:, Reports an FTP file size. Parameters: An open FTP session handle. File pathname.
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File Transfer Protocol (FTP) I/OK I/ERROR When command has been received and about to be processed. If is not an open FTP session or otherwise some error has occurred. Followed by: I/ERROR -orFollowed by: If the FTP RECV command could not be processed. I/ where, is the exact size (in bytes) of the to follow. If cannot be determined, W24 returns I/0 followed by the data stream.
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Chapter 2: AT+i Commands Reference +iFAPN - FTP Open File for Appending Syntax: AT+iFAPN:,[,] Opens an existing remote FTP server file for Append. Parameters: An open FTP session handle. File pathname. Size in bytes to reserve for the file on the server. Command Options: Must have been obtained by a previous execution of an AT+iFOPN command during the current Internet mode session. Absolute or relative path name of the remote destination file.
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File Transfer Protocol (FTP) An 8-bit byte stream of exactly size . If is larger than 256 bytes, W24 assumes host flow control. Depending on the setting of the FLW parameter, the flow control mode is either software or hardware. Under software flow control mode, the host processor must respond to W24's flow control characters. The flow control protocol is detailed in the "Host -> W24 Software Flow Control" section later in this document.
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Chapter 2: AT+i Commands Reference File pathname Command Options: Must have been obtained by a previous execution of an AT+iFOPN command during the current Internet mode session. Absolute or relative pathname of the remote destination file to delete. Result Code: I/OK I/ERROR After successfully closing the file. Otherwise. +iFCLS - FTP Close Session Syntax: AT+i[!]FCLS: Closes the FTP link. Parameters: An open FTP session handle.
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Telnet Client Telnet Client +iTOPN - Telnet Open Session Syntax: AT+iTOPN: Opens a Telnet link (socket) to a Telnet server on port 23. Parameters: Logical name of the Telnet server or the server's IP address. Command Options: The server name can be any legal Internet Server name that can be resolved by W24's DNS (Domain Name Server) settings. The server name may also be specified as an absolute IP address given in DOT form.
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Chapter 2: AT+i Commands Reference Parameters: A line of data bytes to be sent to the Telnet server. W24 terminates the with a and sends it to the Telnet server. Command Options: If the line to be sent incorporates W24 delimiter characters (, ; : ; = ; ~), must be enclosed in single (') or double (") quotes. AT+i command's terminating is considered a terminating quote, as well.
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Telnet Client +iTFSH[%] - Flush Telnet Socket's Outbound Data Syntax: AT+iTFSH[%] Flushes (immediately sends) all the data accumulated in a Telnet socket's outbound buffer. Command Options: % When the flush-and-acknowledge ('%') flag is specified, W24 flushes and waits for the Telnet server receipt acknowledgment of all outstanding outbound data. Result Code: I/OK I/ERROR If all outbound data has been received and acknowledged by the Telnet server. Otherwise.
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Chapter 2: AT+i Commands Reference Direct Socket Interface +iSTCP - Open and Connect a TCP Socket Syntax: AT+iSTCP:,[,] Opens a Transmission Control Protocol (TCP) client socket and attempts to connect it to the specified on a server defined by . Parameters: Logical name of the target server or a host IP address. 0..65535, target port. Optional local port on W24.
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Direct Socket Interface Remote port number to send to, or 0 to open a non-connected socket. Optional local UDP port to use. Command Options: The remote system's name may be any legal Internet server name that can be resolved by W24's DNS (Domain Name Server) settings. The server name may also be specified as an absolute IP address given in DOT form. When the is defined, the resulting UDP socket is created and connected. If =0.0.0.
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Chapter 2: AT+i Commands Reference I/ I/ERROR Upon successfully opening a TCP listening socket, a socket handle is returned. The socket handle is in the range 10..11 and used to reference the socket in all following socket commands. Otherwise. +iLSST - Get a Listening Socket's Active Connection Status Syntax: AT+iLSST: Retrieves handles of active socket connections established through the listening socket identified by .
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Direct Socket Interface I/() I/ERROR where, sockstat >=0 - Number of bytes pending in socket 's input buffer. sockstat <0 - Socket error code. If some error occurred. +iSCS - Get a Socket Connection Status Report Syntax: AT+iSCS: Retrieves a socket's connection status report without reporting the number of buffered characters. Parameters: A TCP/UDP socket handle.
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Chapter 2: AT+i Commands Reference +iSSND[%] - Send a Byte Stream to a Socket Syntax: AT+iSSND[%]:,:[] Sends a byte stream of size sz to the socket specified by the socket handle hn. Parameters: A TCP/UDP socket handle of an open socket. The exact size of the byte stream that follows. A byte stream of size sz to be sent to the specified socket.
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Direct Socket Interface +iSRCV - Receive a Byte Stream from a Socket's Input Buffer Syntax: AT+iSRCV:[,] Receives a byte stream from the TCP/UDP socket specified by the socket handle hn. Received data is valid only if it already resides in W24's socket input buffer at the time this command is issued. Parameters: A TCP/UDP socket handle of an open socket. Optionally specifies the maximum number of bytes to transfer.
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Chapter 2: AT+i Commands Reference A TCP/UDP socket handle of an open socket. Command Options: Must have been obtained by a previous execution of an AT+iSTCP or AT+iSUDP command during the current Internet mode session. Or a socket accepted by a listening socket. Result Code: I/(:) I/ERROR where, is the remote peer's IP address, and is the remote peer's port for this connection. If is not an open socket handle, or otherwise some error occurred.
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Direct Socket Interface % When the flush-and-acknowledge (%) flag is specified and is a TCP socket handle, W24 flushes and waits for the peer receipt acknowledgment of all outstanding outbound data. Common errors associated with this flag are 215 (carrier lost) and 203 (socket closed by peer in an orderly manner or did not receive ACK after repeated attempts to retransmit unacknowledged data).
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Chapter 2: AT+i Commands Reference Special Modem Commands +iMCM - Issue Intermediate Command to Modem Syntax: AT+iMCM[:] Sends a single AT command to the modem during an internet session or enters Modem Command mode. Parameters: Optional single AT command to be sent to modem. Command Options: Returns: W24 puts the modem in command mode by issuing the (+++) escape sequence and then sends to the modem, followed by a .
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Wireless LAN Mode Wireless LAN Mode The W24 includes a Wireless LAN driver for the Marvell 88W8686 802.11b/g WiFi chipset. In addition, the W24 firmware contains WEP and WPA encryption of WPA-PSK with TKIP and WPA2-PSK with AES for this chipset. WPA security requires a parameter that contains the Personal Shared Key (PSK), sometimes referred to as the passphrase. The Wireless LAN Passphrase (WLPP) parameter is used to set the passphrase.
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Chapter 2: AT+i Commands Reference tr=12 Limited to 48 Mbps tr=13 Limited to 54 Mbps Default: 0 (Maximum transmission rate) Result Code: I/OK If tr=0..13. I/ERROR Otherwise. +iWLPW - Set WLAN Tx Power Syntax: AT+iWLPW= Sets the transmission power of the Marvell WLAN chipset. Parameters: n=0 n=0-20 Use Marvell's automatic power level adaptation scheme. n=1-20 Set a fixed transmission power level. Default: n=0 Result Code: I/OK I/ERROR (042) If power set succeeded.
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Wireless LAN Mode +iWRST - Reset WLAN Chipset Syntax: AT+iWRST Performs a hardware reset of the Marvell WLAN chipset. Parameters: None Result Code: I/OK I/ERROR (404) If operation succeeded. Otherwise. +iWLBM - WLAN B Mode Syntax: AT+iWLBM Sets the Marvell WLAN chipset to 802.11/b mode. Allowable Tx transmission rates for this mode are: 1, 2, 5.5 and 11 Mbps. Parameters: None Result Code: I/OK Always. +iWLGM - WLAN G Mode Syntax: AT+iWLGM Sets the Marvell WLAN chipset to 802.11/g mode.
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Chapter 2: AT+i Commands Reference • WROM - Enables Roaming mode. • WPSI - Sets the time interval between consecutive scans that W24 performs for APs in its vicinity. • WSRL - Sets a low SNR threshold for W24 in Roaming mode. • WSRH - Sets a high SNR threshold for W24 in Roaming mode. In addition, two reports provide useful information pertaining to the Roaming feature: • AT+i!RP10 - Returns a report of the current WLAN connection.
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Wireless LAN Mode If the connection is active, W24 waits for an IP activity command from the host. When such a command is sent, W24 performs a software reset and starts scanning for APs. W24 responds with ERROR (074) to indicate that the current connection has been lost. Multiple SSIDs The Multiple SSIDs feature allows you to define an ordered list of SSIDs of Access Points (APs) or ad-hoc networks with which W24 attempts to connect upon power-up.
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Chapter 2: AT+i Commands Reference IP Registration When W24 goes online in a dial-up environment, it is normally assigned a dynamic IP address during PPP establishment. Since a different IP address is usually assigned every session, it is not practical to use W24 as a server, since the clients do not know what IP address to use. Furthermore, under these restrictions, there is no practical way to know whether a specific system is online or offline.
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IP Registration to the server defined in RRSV during the registration procedure. When a socket is established, W24 transmits its ID information and current IP address (or the RRRL) in the following format: "iChip- S/N: version: HN: IP: Port:" The registration socket is then closed. Web Server Registration W24 registers itself by surfing to a web server with its ID information and current IP address as parameters.
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Chapter 2: AT+i Commands Reference DHCP Client A DHCP client component in W24 in WLAN mode supports IP and server name acquisition from a standard DHCP Server. The W24 device attempts to contact and acquire server names from a DHCP server if and when its DIP (Default IP) parameter contains the special value 0.0.0.0. When the DHCP acquisition procedure is successful, the W24's IPA (IP Address) parameter contains the assigned IP address retrieved from the DHCP server.
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DHCP Server DHCP Server W24's DHCP server allows it to manage a network segment when no DHCP server is available. When W24 is configured to operate in iRouter mode, it provides access to the public internet via its modem connection. The DHCP server can handle up to 255 IP addresses concurrently. Two parameters govern DHCP server functionality: • DPSZ: The DHCP pool size parameter determines the range of IP addresses that W24 allocates for its clients.
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Chapter 2: AT+i Commands Reference iRouter Mode Introduction W24's iRouter mode is used to provide a gateway to a multitude of WiFi devices through a single dialup or cellular link. In this configuration, W24's DHCP server may be used to assign IP addresses to the local hosts on the WiFi side. W24 also uses a Network Address Translator (NAT) to translate between local and public IP addresses. While routing IP packets, W24 also accepts AT+i commands, as during normal operation.
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iRouter Mode Configuring W24 when in iRouter Mode iRouter mode is terminated by any of the following occurrences: • By issuing the AT+iSTPR (Stop Routing) command. When W24 receives this command, routing services are stopped and W24 goes offline on the dialup/cellular side. If ARS=1 (Auto Routing), W24 automatically goes online and restores routing services when the next packet arrives. • Automatically after an idle time period (with no routing activity) has passed.
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Chapter 2: AT+i Commands Reference dialup/cellular side; when CPF=1, they are directed towards the WiFi side. While processing AT+i commands, W24 continues to route packets seamlessly between the two platforms. W24's responses to AT+i commands depend on the CPF value, as well. For example, the IP returned by AT+iIPA? command while CPF=1 is the WLAN-side IP. Figure 2-3: AT+i Interface to W24 Baud Rate Settings and Auto Baud Rate iRouter mode supports all host and modem baud rates supported by W24.
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iRouter Mode Followed by: I/ONLINE I/ERROR After successfully going online on the dialup/cellular side. Otherwise. +iSTPR - Stop Router Syntax: AT+iSTPR Causes W24 to exit iRouter mode, go offline on the dialup/cellular side, and stop routing packets. If ARS=1 (Auto Routing), W24 automatically goes online and restores routing services when the next packet arrives. Result Code: I/OK When command is received and about to be processed.
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Chapter 2: AT+i Commands Reference Ad-Hoc Networks An ad-hoc network is a Wireless Local Area Network (WLAN) in which some of the stations are part of the network only for the duration of a communications session or, in the case of mobile or portable devices, while in some close proximity to the rest of the network. Ad-hoc networks do not require an Access Point (AP) to enable communication among stations. Each station can create a new ad-hoc network or join an existing one.
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Ad-Hoc Networks Merging Ad-Hoc Networks When W24 is configured to operate in ad-hoc mode, the Marvell WiFi chipset it is connected to performs a periodic scan for other ad-hoc networks in the vicinity having the same SSID but a different BSSID. If a scan indicates the existence of such an ad-hoc network, the Marvell chipset initiates a procedure of merging networks. Networks merge into the one that was created earlier, provided they operate on the same channel.
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Chapter 2: AT+i Commands Reference Secure Socket Protocol W24 supports the SSL3/TLS1 secure socket protocol, based on RFC2246. W24 supports the following Cipher suites: • SSL_RSA_WITH_RC4_128_MD5 • • • • SSL_RSA_WITH_RC4_128_SHA SSL_RSA_WITH_3DES_EDE_CBC_SHA TLS_RSA_WITH_AES_128_CBC_SHA TLS_RSA_WITH_AES_256_CBC_SHA Establishing An SSL3/TLS1 Socket Connection W24 supports a single SSL3/TLS1 TCP/IP active socket connection. Opening a secure socket on W24 involves two steps: 1.
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Secure Socket Protocol AT+iSSL:0 W24 is instructed to negotiate an SSL3/TLS1 connection on socket handle 0. I/OK SSL3/TLS1 handshake was successful. SSL3/TLS1 connection established on socket handle 0. AT+iSSND%:0,323:<…323 bytes of plain text data> Host sends 323 bytes of plain text data via SSL3/TLS1 socket. W24 encrypts data and sends cipher text over the Internet. The '%' attribute indicates immediate flush. I/OK W24 encrypted and sent data. AT+iRP4 Request socket status.
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Chapter 2: AT+i Commands Reference +iSSL - Secure Socket Connection Handshake Syntax: AT+iSSL: Negotiates a secure SSL3/TLS1 connection over an open TCP/IP socket. Parameters: = A previously open TCP/IP socket handle. Command Options: Must be obtained using the AT+iSTCP command during the current Internet mode session. Or a socket accepted by a listening socket.
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Secure Socket Protocol Password for user authentication. If special characters are used, the password must be specified within quotes. It is customary that servers that allow anonymous login request an e-mail address as a password. Some FTP servers require an account in order to allow a certain subset of the commands. In this case, the account name must be specified when opening the FTP link. @ The optional @ is used to flag the Force PASV mode.
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Chapter 2: AT+i Commands Reference Network Time Client W24 incorporates a Simple Network Time Protocol (SNTP) client. With this protocol support, W24 can be configured to check SNTP servers for current time and date each time it goes online. W24 is configured to retrieve time data from a Network Time Server each time it goes online with the NTOD parameter. After updating its internal Time-Of-Day (TOD) registers at least once, W24 continues to keep track of time independently, even after it goes offline.
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MIME Encapsulated E-Mail Messages MIME Encapsulated E-Mail Messages W24-Generated Binary Message Formats Binary e-mail messages are sent via W24 using one or more AT+iEMB commands. The message format is limited to an optional body of text and a single attachment. The following fields are added by W24 to the main message header: X-Mailer: iChip Message-ID: @iChip Mime-Version: 1.
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Chapter 2: AT+i Commands Reference When several consecutive AT+iEMB commands are used, the host must issue the commands with an inter-command delay, which does not violate the SMTP server's timeout constraints. Otherwise, the SMTP server will timeout and abort the session. Average SMTP servers allow for delays in the range of 30 to 120 seconds.
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MIME Encapsulated E-Mail Messages The maximum temporary body size allowed is 1K characters (including embedded ). The text body is included in the next session binary message and then purged. MIME-Encapsulated E-Mail Message Format Note: Bold lines are added by W24. Received: from JFK by FTGate SmartPop; Tue, 23 Nov 1999 09:26:21 +0200 Received: from mail.inter.net.il (hrz-153-147.access.net.il [212.68.153.147]) by mail.inter.net.il (8.9.3/8.8.
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Chapter 2: AT+i Commands Reference . . . . . .
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Flow Control Flow Control Host -> W24 Software Flow Control When issuing an AT+iEMB command to generate a binary e-mail, an AT+iSSND command to transfer data to a socket, an AT+iTBSN to send a binary stream to a Telnet server, or an AT+iFSND command to transfer a file, the host transfers a binary data stream to W24. At times, this stream may be very large. Once W24 establishes a connection, it acts as a pipeline, transferring data received from the host to the Internet.
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Chapter 2: AT+i Commands Reference Software Flow Control Diagram in Binary E-Mail Send See Figure 2-4.
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Flow Control Software Flow Control During a Socket Send When a WAIT control is sent to the host during a socket send (AT+iSSND) command, it is automatically followed by an RP4 socket status report in the following syntax: I/(, , … ,) See the AT+iRP command for a full description. While the host is waiting for the CONTINUE control, it may analyze the sockets' input buffer status.
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Chapter 2: AT+i Commands Reference Software Flow Control Diagram in Socket Send See Figure 2-5.
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Flow Control Host -> W24 Hardware Flow Control As an alternative to the software flow control method, which requires some software attention on behalf of the host, W24 offers a hardware flow control mode. This mode is selected by setting W24's FLW parameter Bit 0, using the AT+iFLW command. Note that to set FLW Bit 0, the ~CTSH signal needs to be LOW (enabled), otherwise W24 returns I/ERROR (063).
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Chapter 2: AT+i Commands Reference Remote Firmware Update Introduction W24 accepts remote firmware updates from an HTTP or FTP server. The firmware update is stored as an .imz file on the host server and downloaded by W24 acting as a client. W24 replaces its existing firmware with the new one through a special application that is part of the .imz file. This method is especially convenient when managing firmware updates in a globally distributed install base of internet-enabled devices.
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Remote Firmware Update 5. W24 replaces the old image with the new image. 6. If the replacement process fails, for example due to power failure, W24 re-boots from boot loader in the flash memory and re-tries the replacement process until successful. 7. If the replacement process is successful, W24 re-boots and executes the new firmware. +iRFU - Remote Firmware Update Syntax: AT+iRFU Downloads and updates W24 firmware from a remote HTTP or FTP server.
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Chapter 2: AT+i Commands Reference W24 Parameter Update Introduction The W24 remote parameter update file allows users to remotely modify various non-volatile parameters in W24 products. The file is an ASCII-formatted text file, edited by the user or created by a dedicated application. The file's size must not exceed 10k. The remote parameter file (RPF) naming convention is .rpf.
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W24 Parameter Update • RP_GROUP - If the RPF Group Name parameter contains a value, the RPF file must include an RP_GROUP definition and its value must be identical to the RPF value. Otherwise, the parameter update file will be rejected. Nevertheless, if the RPF parameter is set to the special value (*) (match any), the RPF file will be accepted with any value of RP_GROUP, as well as without any value at all. The RPF Group Name parameter can be viewed and changed by sending an AT+iRPG? command to W24.
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Chapter 2: AT+i Commands Reference W24 Embedded Web Server Introduction W24 includes a web server that handles HTTP 1.0/1.1 web interactions independently of its host processor. It allows system designers to build web-based products, which can be remotely monitored, configured, and managed via the Internet using a standard web browser interface. W24 devices host two on-chip websites stored in non-volatile memory.
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W24 Embedded Web Server In Host interaction mode, W24 is used to host, serve, and manage web interactions with a remote web browser on behalf of the embedded device's host processor. The host gains access to the web-based parameters via AT+i commands sent to W24 through the serial connection.. Figure 2-7: W24 Web Server Modes The Application Website The application website is stored in non-volatile memory.
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Chapter 2: AT+i Commands Reference The configuration site includes web forms to monitor and update most W24 parameters and an upload page consisting of file upload forms. Note that, the following W24 parameters cannot be configured remotely and are therefore not displayed on W24's configuration website: • WiFi security parameters • Fast USART parameter (BDRD) • Analog-to-digital converter (ADC) parameters Each upload form allows file uploading using the POST method for a single file.
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W24 Embedded Web Server and queried using: > AT+itemperature? When the host issues a Set Parameter Tag Value command, W24 links the updated value to the Parameter Tag and stores it in its internal RAM. In response to a browser's GET request, the real value is substituted everywhere in the page where the Parameter Tag exists while the page is being served, on-the-fly. Parameter Tag values are printable ASCII text.
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Chapter 2: AT+i Commands Reference Manipulating Variables in the Application Website The application website is composed of HTML or WAP files, which may contain links to internal or external websites, Java Scripts, VB scripts, graphic files, and more (See list of supported file types). Using Parameter Tags, the page can also be used to dynamically display and update values of W24's configuration parameters and device-specific Parameter Tags in the manner described above.
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W24 Embedded Web Server
Dial To:
Note that the variable name is used in the NAME field, while ~~ is used to display the current value. After activating SUBMIT, the browser issues a GET command to W24's web server that includes the parameter's name and the new value entered in the form.
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Chapter 2: AT+i Commands Reference W24 uses the industry standard SHA1 algorithm to authenticate the remote user. According to SHA1, the password typed into the authentication form is not literally communicated back to W24. Rather, a SHA1-encrypted token is transferred. To achieve this, W24's web server sends a JavaScript, which calculates SHA1 encryption at the browser end together with the authentication form.
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W24 RAS Server W24 RAS Server Introduction W24 features an internal Remote Access Server (RAS) that allows a remote dialer to dial into W24 using an active modem platform. When configured as RAS, W24 answers the incoming call and negotiates a PPP connection. W24's RAS supports acknowledging an IP address request from the remote dialer side, as well as assigning a default IP address. Once the connection is established, the client can browse W24's website. (If the AWS parameter is set to a non-zero value.
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Chapter 2: AT+i Commands Reference During RAS PPP negotiations, W24 will replies only to (+++) (escape sequence) and AT+iRPn commands. Specifically, W24 replies "Connecting as RAS" to the AT+iRP2 (W24 status) command. The escape sequence can be used to abort the RAS session at any time. The AT+iRP2 command is the only means for the host processor to determine that a PPP session is in progress. W24 manages the RAS protocol internally and does not transfer any information to the host.
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W24 RAS Server Lost Carrier When W24 is online as a result of a RAS connection and the carrier signal is lost (due to an error or due to the PPP client closing the connection), W24 checks if the host used the PPP connection (tried to open an Internet session) during the connection. If the host did not use the connection, or W24 was in SerialNET mode, W24 silently performs a software reset and no indication of the disconnection is given to the host.
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Chapter 2: AT+i Commands Reference SerialNET Theory of Operation Introduction W24's SerialNET mode extends a local asynchronous serial link to a TCP or UDP socket across a WLAN or Internet. Its main purpose is to allow simple devices, which normally interact over a serial line, to interact in a similar fashion across a network without requiring any changes in the device itself.
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SerialNET Theory of Operation Server Devices Server devices linger until approached by a remote client. The remote client must know W24's IP and listening port address in order to establish communications. WLAN-based devices and dial-up devices linger differently. A WLAN device is normally online and may thus have an associated listening (passive) socket ready to accept remote socket connections. While in SerialNET mode, W24 establishes a listening socket on the port defined in its LPRT parameter.
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Chapter 2: AT+i Commands Reference W24 will dial-up the ISP to establish an Internet connection before attempting to open the server socket. W24 closes its listening socket (if one is defined by the LPRT parameter) to avoid remote client devices from connecting during this session. The remote server's IP and port are part of the SerialNET mode configuration parameters. Once a data connection is established, data can flow freely between the local client device and the remote server.
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SerialNET Theory of Operation Completing a SerialNET Session A SerialNET session is completed when one of the following occurs: • The local device transmitted the disconnection string, as defined in the DSTR parameter. • Following an inactivity timeout, as defined in the IATO parameter. In a modem environment the W24 goes offline when the SerialNET session is terminated.
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Chapter 2: AT+i Commands Reference e-mail to the RRMA address (if defined) and/or establishes a socket to the address in RRSV (if defined). The transmission contains the dynamic IP address received from the ISP and its listening port, on which W24 has an open listening socket, ready to serve the remote client. W24 goes offline if one of the following events occurs: • The remote peer closes the SerialNET socket. • The IATO parameter is defined and times out.
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SerialNET Theory of Operation In this mode, data is retrieved from the remote side as it is made available. TELNET options embedded in the server/client response stream are stripped by W24 before being turned over to the host. TELNET specifies many operational options. W24 restricts its operation mode to the minimum implementation to assure best inter-system compatibility. Following are the TELNET options negotiated by W24. Any other options negotiated by the remote side are rejected by W24.
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Chapter 2: AT+i Commands Reference When issuing any of the following commands, W24 plays the role of a server. Option Allowed Values Baud Rate 300-115200 bps Data Size 7 or 8 bits Parity None | Odd | Even Stop Bit 1 Flow Control BREAK ON | BREAK OFF | DTR ON | DTR OFF | RTS ON | RTS OFF Notify Line State One octet (byte). The value is a bit-level composition made up from the value table that appears in the RFC2217 protocol document.
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File Transfer Protocol (FTP) Theory of Operation File Transfer Protocol (FTP) Theory of Operation Introduction The FTP client component in W24 extends W24's general-purpose sockets to incorporate an additional, dedicated socket for FTP activities. From the host's perspective, the FTP capabilities are a logical extension of the capabilities of e-mail and direct socket manipulation. As in all other W24 protocol implementations, host involvement in the specifics of FTP is minimal.
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Chapter 2: AT+i Commands Reference FTP Receive Flow Figure 2-8 shows the FTP receive flow. Issue: AT+iFRCV Command I/OK ? I/ERROR Return I/ERROR YES I/ ? I/ERROR Return I/ERROR YES equals 0 ? YES Accumulate Quiet Time NO NO Accumulate Quiet Time NO 5 secs. Quiet ? NO FTP Data Available? FTP Data Available? YES Next chars. I/ERROR? YES NO YES YES NO Retrieve FTP Data Retrieve FTP Data Decrement Reset Quiet Time Reset Quiet Time NO Return I/ERROR 5 secs.
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Telnet Client Operation Telnet Client Operation There are four operation modes for most Telnet applications, namely, half-duplex, character at a time, line at a time, and line mode. W24 incorporates two methods to send data to the remote Telnet server: One line at a time, namely, an AT+i command (+iTSND) is used to send a single (CR/LF terminated line to the Telnet server); and Binary Transmission, where an AT+i command (+iTBSN) is used to send an arbitrary amount of binary data.
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Chapter 2: AT+i Commands Reference Secure Socket Protocol Theory of Operation Introduction W24 implements an SSL3/TLS1 client socket connection. When connecting to an SSL3/TLS1 server, W24 negotiates an SSL3/TLS1 secure connection. During the negotiation process, the server identifies itself to the client (W24) by sending a certificate. The certificate's main purpose is to allow W24 to determine that the server is indeed the server it claims to be.
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Secure Socket Protocol Theory of Operation Creating a Certificate Authority The certificate generated using the following steps can be used in deployed systems, in which you are the trusted authority. Users of these certificates can be confident of your identity. For example, W24 devices communicating with servers that are setup and configured by the device vendor can secure their communications using certificates signed by the vendor-created Certificate Authority.
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Chapter 2: AT+i Commands Reference x509_extensions = certificate_extensions [ CA_default_policy ] commonName = supplied stateOrProvinceName = supplied countryName = supplied emailAddress = supplied organizationName = supplied organizationalUnitName = optional [ certificate_extensions ] basicConstraints = CA:false [ req ] dir = /testCA default_bits = 1024 default_keyfile = $dir/private/caprivkey.
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Secure Socket Protocol Theory of Operation Creating a Self-Signed Root Certificate A certificate authority is essentially a self-signed root certificate. This root certificate is used to respond to new certificate requests to create a signed certificate. In this case, W24 is both the CA and the originator of the certificate request, so no identity verification issues exist.
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Chapter 2: AT+i Commands Reference command to prompt the user for all information regarding the certificate request. Set the environment variable to the default file by typing the following: • On Linux\Unix: OPENSSL_CONF=/OpenSSL/apps/openssl.cnf export OPENSSL_CONF • On Windows: set OPENSSL_CONF=C:\OpenSSL\bin\openssl.cnf 2. Generate the request with the following single line command and answer all questions at the prompt: openssl req -newkey rsa:1024 -keyout myprivkey.pem -keyform PEM -out myreq.
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Remote AT+i Service Remote AT+i Service Introduction The LATI parameter allows configuring W24 to maintain a communication channel that supports interacting with W24 from a remote location using the AT+i command set as if the commands are administered through the local serial port. When LATI is set to a non-zero value, W24 opens a TCP listening socket on port . In a dial-up environment, this occurs only after the PPP connection is established.
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Chapter 2: AT+i Commands Reference • During a remote AT+i session, the remote client taking over the parser cannot make use of W24's mechanisms of Hardware or Software flow control, which exist for the local host port. The only mechanism W24 will use is this mode is TCP level flow control (using the TCP window). • In W24 WLAN, AT+IBDR or AT+IBDRA will return I/OK but will not initiate a baud rate detection process.
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Nonvolatile Parameter Database Nonvolatile Parameter Database Parameter Descriptions See Table 2-6. Table 2-6: Nonvolatile Parameter Database Parameter Type Range Default Description Operational 2-102 XRC Byte 0..4 4 Extended Return Code. Same as ATXn. DMD Byte 0..2 0 Modem Dial Mode: ATD m: Tone (0); Pulse (1); None (2) MIS String 126 chars "AT&FE0 Modem initialization string. May contain several V1X4Q0& consecutive AT commands. D2M1L3\r" MTYP Byte 0..
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Chapter 2: AT+i Commands Reference Table 2-6: Nonvolatile Parameter Database (Cont.) Parameter Type Range Default Description DF Byte 0..1 0 IP Protocol Don't Fragment Bit. CKSM Byte 0..1 0 (Disabled) Sets checksum mode. HIF Byte 0..5 0 Sets host-to-W24 interface. MIF Byte 1..5 2 (USART1) Sets W24-to-modem interface. ADCL Byte 0-255 0 A/D Converter base level. ADCD Byte 0-255 0 A/D Converter delta.
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Nonvolatile Parameter Database Table 2-6: Nonvolatile Parameter Database (Cont.) Parameter Type Range Default Description DSTD String 64 chars NULL Sets W24's Daylight Savings transition rule. PDSn String 64 chars NULL Sets W24's PING Destination servers, used for online status verification. PFR INT 0-65535 0 (Disabled) Sets PING destination server polling frequency. User Fields UFn String 128 chars NULL User Storage field and Macro Substitution : 01..
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Chapter 2: AT+i Commands Reference Table 2-6: Nonvolatile Parameter Database (Cont.) Parameter Type Range Default Description RRRL String 64 chars NULL Sets the Return Link IP address to use when performing an IP address registration behind a NAT. HSTN String 64 chars NULL W24's Network Host Name, included in all IP registration methods. W24 WLAN will be registered in DNS through DHCP Server. HTTP URL String 128 chars None URL string used for subsequent +iRLNK and +iSLNK commands.
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Nonvolatile Parameter Database Table 2-6: Nonvolatile Parameter Database (Cont.) Parameter Type Range Default Description WROM Byte 0..1 0 Enable Roaming mode. WPSI INT 1-3600 5 Periodic scan for APs interval. WSRL Byte 0-255 10 Roaming mode SNR low threshold. WSRH Byte 0-255 30 Roaming mode SNR high threshold. WSIn String 32 chars " (Empty) WLAN SSID for multiple SSIDs. WPPn String 8-63 chars " (Empty) Pre-shared key passphrase for multiple SSIDs.
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Chapter 2: AT+i Commands Reference Table 2-6: Nonvolatile Parameter Database (Cont.) Parameter PTD Type INT Range Default 0..65535 0 (No Filter) Description Specifies the number of Packets to Drop during a SerialNET session. Remote Firmware Update UEN Byte 0..1 0 Remote Firmware Update flag. Remote Parameter Update RPG String 64 chars NULL Remote Parameter Update Group/Password.
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Nonvolatile Parameter Database Result Code: I/OK After restoring parameters to factory default values. Operational Parameters +iXRC - Extended Result Code Syntax: AT+iXRC=n Extended Result Code. Same as ATXn. This command selects which subset of the result messages will be used by the modem to inform the Host of the results of commands. Parameters: Command Options: Default: n=0..4 For a detailed description of the command options see the ATXn command in the AT command set manual for the modem in use.
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Chapter 2: AT+i Commands Reference Default: 0 (Tone Dialing). Result Code: I/OK I/ERROR AT+iDMD~n AT+iDMD? AT+iDMD=? If n is within limits. Otherwise. Temporarily sets the modem dial mode for one session. The permanent value will be restored after completing the next session, both if the session was successful or not. Reports the current modem dial mode used when dialing the ISP. The reply is followed by I/OK. Returns the message "0-2". The reply is followed by I/OK.
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Nonvolatile Parameter Database +iMTYP - Set Type of Modem Connected to W24 Syntax: AT+iMTYP=n Sets the modem type. Parameters: n=0..9 Command Options: n=0 Standard, Hayes compatible, dialup modem. n=1 Silicon Laboratories Si2400 modem. See note below. n=2 Standard GSM modem. n=3 AMPS CM900 modem. n=4 Falcom GSM modem. n=5 Silicon Laboratories high-speed modems Si2414/33/56. n=6 Standard 2400 baud modem (increased timeout). n=7 GSM 536 modem (packets limited to 536 bytes).
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Chapter 2: AT+i Commands Reference 3 AT+iISP1= (usually *99**1#) 4 AT+iMIS="AT+CGDCONT=1,IP," Note 3:Changing from modem type 4 (Falcom GSM): When W24 is configured with MTYP=4, the MTYP parameter must first be changed to the special value 99 before it can be changed to some other value. Note 4:Working with SiLABS World modems: With modem type 10 selected, W24 waits 300msec after issuing ATZ at the end of a session before issuing additional commands to the modem.
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Nonvolatile Parameter Database Command Options: Default: The TTO parameter defines the timeout constant for Internet transactions. W24 will return with a timeout error for any TCP/UDP/IP transaction that didn't complete properly within n±10%. Timeout measurement is defined between receipt of an AT+i command and a W24 response to the host. In dial-up environments, timeout measurement begins only after establishing a PPP connection.
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Chapter 2: AT+i Commands Reference +iMPS - Max PPP Packet Size Syntax: AT+iMPS=n Limits the size of an outgoing PPP packet in dial-up environments. In effect, the MPS parameter limits the W24's MTU (Maximum Transfer Unit). Parameters: n=0..3 Command Options: n=0 1500 bytes n=1 256 bytes n=2 536 bytes n=3 1024 bytes Default: n=0 Result Code: I/OK If n is within limits. I/ERROR Otherwise. AT+iMPS? Returns current value followed by I/OK.
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Nonvolatile Parameter Database +iBDRF - Define a Fixed Baud Rate on Host Connection Syntax: AT+iBDRF= Sets the baud rate on host serial connection. This parameter is saved to nonvolatile memory and activated only after power-up. Parameters: n=3..9|'a'|'h' Command Options: n=a Set baud rate to Auto Baud. n=3 Set baud rate to 2400. n=4 Set baud rate to 4800. n=5 Set baud rate to 9600. n=6 Set baud rate to 19200. n=7 Set baud rate to 38400. n=8 Set baud rate to 57600.
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Chapter 2: AT+i Commands Reference +iBDRM - Define a Fixed Baud Rate on W24<->Modem Connection Syntax: AT+iBDRM= Sets the baud rate on modem connection. This parameter is saved to nonvolatile memory and activated after every power-up. Parameters: n=3..9|'a'|'h' Command Options: n=a Set baud rate to Auto Baud. n=3 Set baud rate to 2400. n=4 Set baud rate to 4800. n=5 Set baud rate to 9600. n=6 Set baud rate to 19200. n=7 Set baud rate to 38400. n=8 Set baud rate to 57600.
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Nonvolatile Parameter Database n=1-255 Host baud rate is set by dividing 3Mbps by n. For example, if n=2, the host baud rate will be set to 3Mbps-2=1.5Mbps. Default: 0 (host baud rate taken from BDRF parameter). Result Code: I/OK I/ERROR AT+iBDRD? AT+iBDRD=? If n is within limits. Otherwise. Reports the current value followed by I/OK. Returns the message "0-255" followed by I/OK. +iAWS - Activate WEB Server Automatically Syntax: AT+iAWS=v Sets Activate Web Server flag to v.
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Chapter 2: AT+i Commands Reference port= Default: Listening port to be used by a remote system when connecting to the W24 Family in order to send AT+i commands over the Internet. The listening socket will accept one remote connect request. When a remote system connects through the listen socket, W24 will disable its local host serial port and spawn a new TCP/IP socket, ready to receive AT+i commands. AT+i response strings will be transmitted back to the same socket.
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Nonvolatile Parameter Database +iFLW - Set Flow Control Mode Syntax: AT+iFLW=n Sets the flow control mode. Parameters: n=0 .. 7 Command Options: n= Default: Bit 0 0 = Host S/W flow control, using Wait/Continue control characters. 1 = Host hardware flow control based on ~CTS/~RTS hardware signals. Bit 1 0 = No Modem flow control. 1 = Modem hardware flow control based on ~CTS/~RTS hardware signals.
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Chapter 2: AT+i Commands Reference n=1 Default: Sets active communications platform to WLAN. n=1 (WLAN) Note: This default value is shipped from the factory. The AT+iFD command does not restore CPF to this value. Result Code: I/OK I/ERROR If n is within limits and the communications platform was actually changed. Otherwise. Followed by: I/DONE After changing the current platform to modem. Allow a 2.5 sec. delay for W24 re-initialization. -orI/ONLINE After changing the current platform to WLAN.
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Nonvolatile Parameter Database AT+iPSE=? Returns the message "0-255" followed by I/OK. +iMRST - Turn the W24 Off Syntax: AT+iMRST The command initiates a W24 turn off, which switches the W24 to Off mode. This command emulates the ON_N signal operation for turning the W24 off.. Result Code: I/OK I/ERROR If command entered properly. Otherwise. +iS102 - Define Delay after Wakeup before Sending Data The WKUPO_N signal is an active low W24 output that is set high by default.
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Chapter 2: AT+i Commands Reference Default: 0 = The WKUPO_N signal and mechanism is disabled. In other words, W24 will never assert the WKUPO_N signal. Result Code: I/OK If n is within limits. I/ERROR Otherwise. AT+iS102? Returns current setting followed by I/OK. AT+iS102=? Returns the message "0-255" followed by I/OK.
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Nonvolatile Parameter Database n= Default: Bitmapped flags: Bit 0: Disable W24's response to ICMP ECHO (PING) requests. When this bit is set, W24 will not respond to any PING requests, thereby eliminating the possibility of a PING attack on W24. Bit 1: Disable W24's remote debug daemon. When this bit is set, W24 will not enable its internal (UDP) debug port, which is normally activated for administering remote support. Bit 3: Disable unauthenticated viewing of the W24's internal website.
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Chapter 2: AT+i Commands Reference AT+iDF~n AT+iDF? AT+iDF=? Temporarily sets the IP protocol Don't Fragment bit to n for one session. The permanent value will be restored after completing the next session, both if the session was successful or not. Reports the current IP protocol Don't Fragment bit setting followed by I/OK. Returns the message "0-1" followed by I/OK. +iCKSM - Checksum Mode Syntax: AT+iCKSM= Sets W24's checksum mode.
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Nonvolatile Parameter Database n=1 USART0 n=2 USART1 n=3 USART2 n=4 USB Device n=5 USB Host Default: 0 (Automatic host interface detection). Result Code: I/OK If n is within limits. I/ERROR Otherwise. AT+iHIF? Reports the current value followed by I/OK. AT+iHIF=? Returns the message "0-5" followed by I/OK. +iMIF - Modem Interface Syntax: AT+iMIF=n Specifies the interface to be used for communication between W24 and a dialup or cellular modem in subsequent sessions.
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Chapter 2: AT+i Commands Reference +iADCL - ADC Level Syntax: AT+iADCL= Specifies an ADC base level, or threshold, in the range 0-255 that corresponds to an analog voltage measured on the input pin of W24's A/D converter. Together with ADCD, these two parameters determine when the A/D converter asserts the GPIO pin specified by the ADCP parameter. ADCL must be greater than ADCD. Parameters: level=0 level=1-255 Default: A/D converter polling is disabled. ADC threshold level. 0 (polling disabled).
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Nonvolatile Parameter Database +iADCT - ADC Polling Time Syntax: AT+iADCT= Specifies the time interval between consecutive queries of the value of the A/D converter's register. W24's response time to value changes is up to 40ms. Parameters: interval=0 interval=1-65535 Default: A/D converter polling is disabled. Time interval, in milliseconds, between queries. 0 (polling disabled). Result Code: I/OK I/ERROR AT+iADCT? AT+iADCT=? If interval is within limits. Otherwise.
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Chapter 2: AT+i Commands Reference +iRRA - W24 Readiness Report Activation Syntax: AT+iRRA= Sets the type of W24 readiness indication sent to the host following a hardware reset. Command Options:: n=0 No indication is sent. n=1 An I/ATI message is sent, indicating W24 is ready to accept AT+i commands. n=2 An I/ message is sent, indicating W24 has an IP address and is ready for IP communication.
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Nonvolatile Parameter Database Note: 1 The I/ATI and I/ messages are sent only if: • W24 is set to communicate with the host over a fixed interface (HIF?0). • Either the host interface is not a USART, or host<->W24 baud rate is set to a fixed value (BDRF?a). • W24 is not configured to operate in SerialNET mode. 2 In a dialup/cellular environment, the I/ message is sent only if W24 is configured to operate in Always Online mode (TUP=2).
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Chapter 2: AT+i Commands Reference ISP Connection Parameters +iISPn - Set ISP Phone Number Syntax: AT+iISPn=dial-s Sets the ISP's access phone numbers. Use n=1 to set the ISP's primary access phone number. Use n=2 to set the ISP's alternate number. The alternate number is dialed after exhausting all redial attempts of the primary number. Parameters: dial-s= n=1..2 Telephone number string, composed of digits, ',', '-', 'W', 'w', '*', '#', '!' or ' '. See description of the standard ATD command.
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Nonvolatile Parameter Database Result Code: I/OK I/ERROR If v is within limits. Otherwise. AT+iATH~v Temporarily sets the authentication method to v for the duration of the next session. The permanent value will be restored after completing the session, whether the session was successful or not. AT+iATH? Reports the current setting of the authentication method followed by I/OK. AT+iATH=? Returns the message "0-2" followed by I/OK.
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Chapter 2: AT+i Commands Reference Command Options: pass=" pass= Default: Empty: Nopassword defined. password is used to login to the ISP. Empty. No password defined. The login password can be defined ad-hoc. Result Code: I/OK I/ERROR If password is an empty or legal ISP login password. Otherwise. AT+iPWD~pass Temporarily sets the login password to pass. The permanent value will be restored after completing the next session, whether the session was successful or not.
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Nonvolatile Parameter Database AT+iRDL~n AT+iRDL? AT+iRDL=? Temporarily sets the number of times to redial the ISP. The permanent number of redial attempts will be restored after completing the next session, whether the session was successful or not. Reports the current value of the number of times to redial ISP followed by I/OK. Returns the message "0-20" followed by I/OK. +iRTO - Delay Period between Redials to ISP Syntax: AT+iRTO=n Sets delay period, in seconds, between redials to ISP.
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Chapter 2: AT+i Commands Reference v=1 Default: All messages will remain on server. 1 Result Code: I/OK I/ERROR Otherwise. AT+iLVS~v Temporarily sets the Leave on Server flag to v for the duration of the next session. The permanent value will be restored after completing the session, whether the session was successful or not. AT+iLVS? Reports the current value of the Leave on Server flag followed by I/OK. AT+iLVS=? May 31, 2008 If v = 0 or 1. Returns the message "0-1" followed by I/OK.
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Nonvolatile Parameter Database +iDNSn - Define Domain Name Server IP Address Syntax: AT+iDNSn[p]=IP Sets the Domain Name Server IP Address. Use n=1 to define the Primary IP address of the Domain Name Server associated with the ISP. Use n=2 to define the alternate IP address. IP::=... where, : [000..255]. Parameters: n=1..2 p= Optional communication platform modifier for W24 Plus. Where, p='S' to force the (serial) dial-up platform and p='L' to force the WLAN platform.
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Chapter 2: AT+i Commands Reference +iSMTP - Define SMTP Server Name Syntax: AT+iSMTP[p]=server Permanently sets the SMTP Server Name or IP. Parameters: server p= An SMTP server name or IP address. Server names must be resolvable by the primary or alternate DNS. Optional communication platform modifier for W24 Plus. Where, p='S' to force the (serial) dial-up platform and p='L' to force the LAN platform. p may be used to select any platform. If p is omitted, the active platform will be used.
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Nonvolatile Parameter Database +iSMA - SMTP Authentication Method Syntax: AT+iSMA=v Permanently sets SMTP authentication method. Parameters: v= 0 or 1 Command Options: v=0 SMTP authentication is disabled. v=1 W24 will support the "AUTH LOGIN" SMTP authentication method, if forced by SMTP server. Default: 0 (SMTP authentication disabled). Result Code: I/OK I/ERROR AT+iSMA? AT+iSMA=? If v = 0 or 1. Otherwise. Report the current value of the SMTP authentication method.
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Chapter 2: AT+i Commands Reference AT+iSMU=? Returns the message 'String'. The reply is followed by I/OK. +iSMP - Define SMTP Login Password Syntax: AT+iSMP=pass Permanently sets authenticated SMTP login. Parameters: pass = Password to be used when logging on to an SMTP server that requires authentication. Command Options: pass='' pass= Default: Empty: No SMTP authentication password defined. password will be used to login to an authenticated SMTP server. Empty. No password defined.
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Nonvolatile Parameter Database server = Default: POP3_SRVR will be used to locate and establish a POP3 connection when recieving Email messages. If POP3_SRVR is a symbolic name, a DNS server will be used to resolve the IP address. Empty. No POP3 server defined. To retrieve Email messages, a POP3 Server Name must be defined ad-hoc. In a LAN environment, an empty POP3 server will acquire a value from the DHCP server (if DIP is 0.0.0.0).
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Chapter 2: AT+i Commands Reference +iMPWD - Define POP3 Mailbox Password Syntax: AT+iMPWD=MBxPass Permanently sets POP3 mailbox password. Parameters: MBxPass = Mailbox password to be used for authentication, when retrieving Email messages from the mailbox. Command Options: MBxPass ='' MBxPass = Default: Empty: No mailbox password defined. mbox-pass will be used to authenticate receiver, when retrieving Email messages from the mailbox. Empty. No mailbox password defined.
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Nonvolatile Parameter Database Default: Empty. No Network Time Servers defined. Result Code: I/OK AT+iNTSn~server Temporarily sets the Network Time Server to value server. The permanent value will be restored after completing the next session, whether the session was successful or not. AT+iNTSn? Reports the current value of NTSn. If NTSn is empty, an empty line containing only will be returned. The reply is followed by I/OK. AT+iNTSn=? Returns the message 'String/IP Addr'.
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Chapter 2: AT+i Commands Reference +iGMTO - Define Greenwich Mean Time Offset Syntax: AT+iGMTO=n Permanently sets W24 location's Greenwich mean time offset, in hours. Parameters: Default: n = -12..12 0 Result Code: I/OK AT+iGMTO~n AT+iGMTO? AT+iGMTO=? Temporarily set the Greenwich Mean Time Offset to value n. The permanent values will be restored after completing the next session, whether the session was successful or not. Report the current value of GMTO. The reply is followed by I/OK.
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Nonvolatile Parameter Database AT+iDSTD~DST_rule Temporarily set the Daylight Saving Time Definition to DST_rule. The permanent value will be restored after completing the next session, whether the session was successful or not. AT+iDSTD? Report the current value of the Daylight Saving Time Definition. The reply is followed by I/OK. AT+iDSTD=? Returns the message 'String'. The reply is followed by I/OK.
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Chapter 2: AT+i Commands Reference Default: 0 (Disabled PING polling). Result Code: I/OK I/ERROR AT+iPFR~n AT+iPFR? AT+iPFR=? If n is within limits. Otherwise. Temporarily set the PING polling interval value for one session. The permanent value will be restored after completing the next session, whether the session was successful or not. Report the current PING polling interval used. The reply is followed by I/OK. Returns the message '0-65535'. The reply is followed by I/OK.
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Nonvolatile Parameter Database AT+iUFn~ Temporarily set User Field n to value String. The permanent value will be restored after completing the next session, whether the session was successful or not. AT+iUFn? Report the current value of UFn. If the User Field is empty, an empty line containing only will be returned. The reply is followed by I/OK. AT+iUFn=? Returns the message 'String'. The reply is followed by I/OK.
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Chapter 2: AT+i Commands Reference Default: 0 (no limit). Result Code: I/OK I/ERROR AT+iHDL~n If n is within limits. Otherwise. Temporarily set the maximum limit of header lines for the duration of the next session. The permanent value will be restored after completing the next session, whether the session was successful or not. AT+iHDL? Report the current value of the header line limit. The reply is followed by I/OK. AT+iHDL=? Returns the message '0-255'. The reply is followed by I/OK.
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Nonvolatile Parameter Database +iDELF - Email Delete Filter String Syntax: AT+iDELF=[#]str Permanently sets the Email delete filter string. Parameters: str = ASCII string which qualifies an Email message to be deleted from the mailbox. This string must exist in the Email header for the message to qualify. If the string exists in at least one header field, the message will be deleted from the mailbox during the next Email retrieve session (AT+iRMM).
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Chapter 2: AT+i Commands Reference I/ERROR AT+iSBJ~subject AT+iSBJ? AT+iSBJ=? Otherwise. Temporarily set the contents of the 'Subject:' field of the next Email to be sent. The permanent value will be restored after completing the next session, whether the session was successful or not. Report the current contents of the 'Subject:' parameter. If no subject is defined, only will be returned. The reply is followed by I/OK. Returns the message 'String'. The reply is followed by I/OK.
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Nonvolatile Parameter Database Command Options: to='' to= Default: Empty string. The 'To:' description field in the Email header will contain to_str. Empty. Result Code: I/OK I/ERROR AT+iTO~to AT+iTO? AT+iTO=? If to is an empty or legal string. Otherwise. Temporarily set the contents of the 'To:' description field of the next Email to be sent. The permanent value will be restored after completing the next session, whether the session was successful or not.
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Chapter 2: AT+i Commands Reference +iFRM - Email 'From' Description/Name Syntax: AT+iFRM:from Permanently sets Email header 'From:' description. Parameters: from = Contents of 'From:' description field. Command Options: from='' from= Default: Empty string. The 'From:' description field in the Email header will contain from string. Empty. Result Code: I/OK I/ERROR AT+iFRM~from AT+iFRM? AT+iFRM=? If from is an empty or legal string. Otherwise.
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Nonvolatile Parameter Database AT+iCCn~ Temporarily set alternate addressee n to addr. The permanent value will be restored after completing the next session, whether the session was successful or not. AT+iCCn? Report the current value of alternate addressee n. If the alternate addressee does not exist, only will be returned. The reply is followed by I/OK. AT+iCCn=? Returns the message 'String'. The reply is followed by I/OK.
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Chapter 2: AT+i Commands Reference str=" str= Default: Empty: No media subtype string defined, the default will be used. string will be used as the media subtype string. A list of subtype strings is detailed in “MIME Content Types and Subtypes” on page A-1. 'octet-stream'. Result Code: I/OK I/ERROR If str is an empty or a legal media subtype string. Otherwise. AT+iMST~str Temporarily set the media subtype string to str.
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Nonvolatile Parameter Database HTTP Parameters +iURL - Default URL Address Syntax: AT+iURL=URLadd Sets the URL address string used for downloading web pages and files and uploading files to web servers. Parameters: URLadd = URL address string. Command Options: URLadd=" URLadd= Default: Empty: No URL address string defined. str will be used as the URL address string when downloading a Web page or file.
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Chapter 2: AT+i Commands Reference Command Options: string=" string= Default: Empty. A default value of "application/x-www-form-urlencoded" will be used, and the server will expect the data to be the data sent in a "Submit" of a form. Type of file being sent by the AT+iSLNK command. Empty. Result Code: I/OK I/ERROR If string is empty or a legal string. Otherwise.
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Nonvolatile Parameter Database RAS Server Parameters +iRAR - RAS RINGs Syntax: AT+iRAR=n Sets the number of RINGs that will activate W24's internal RAS if RAU is not empty. Parameters: n = number of RINGs W24 will detect before answering an incoming call and activating its internal RAS. If n is set to a value greater than 100 and an incoming call is picked up by the host or the modem after less than n-100 RINGs, W24 will activate its internal RAS.
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Chapter 2: AT+i Commands Reference user="*" Default: A user-name will not be required to authenticate a remote PPP client connection to W24's internal RAS, effectively unrestricting remote access. Empty. W24's internal RAS is effectively disabled. Result Code: I/OK I/ERROR AT+iRAU~user AT+iRAU? AT+iRAU=? If user is an empty or a legal login User Name. Otherwise. Temporarily set the RAS login User Name to user.
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Nonvolatile Parameter Database LAN Parameters +iMACA - MAC Address of W24 Syntax: AT+iMACA=mac Permanently sets W24's MAC address. Parameters: mac = MAC address. The MAC address may only be assigned once in the lifetime of the device, i.e., while the current MAC address is still FFFFFFFFFFFF. After a MAC address is assigned it cannot be changed or overwritten. Command Options: mac= Default: mac@ must consist of 12 hexadecimal characters.
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Chapter 2: AT+i Commands Reference Default: Empty (0.0.0.0). No IPA defined. IP address will be resolved through a DHCP server, if one is available. Result Code: I/OK If IP address is empty or a legal IP address. I/ERROR Otherwise. AT+iDIP? Report the current Default IP address. The reply is followed by I/OK. AT+iDIP=? Returns the message 'IP addr'. The reply is followed by I/OK. +iIPA - Active IP Address Syntax: AT+iIPA=IP address Changes the active IP to IP address.
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Nonvolatile Parameter Database Command Options: IP address = 0.0.0.0 IP address = Default: Empty: W24 will try to resolve the gateway IP address via DHCP, but ONLY if the DIP parameter value has been set to empty (0.0.0.0). IP ADDR will be used as the gateway IP address. Empty. No Gateway IP defined. Result Code: I/OK I/ERROR AT+iIPG~IP address If IP address is empty or a legal IP. Otherwise. Temporarily set the gateway IP address.
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Chapter 2: AT+i Commands Reference Wireless LAN Parameters +iWLCH - Wireless LAN Communication Channel Syntax: AT+iWLCH= Sets the default WiFi communication channel. When W24 is configured to operate in ad-hoc mode, this parameter must be given a value between 1 and 13 that defines the channel to be used for beacon transmission. When W24 joins an already existing ad-hoc network, it adopts that network's channel. Parameters: Default: channel = 0-13. 0 (Access Point).
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Nonvolatile Parameter Database ssid=! Default: W24 will search for an ad-hoc network with the specified ID. If it finds one it will join it, otherwise it will create a new network with this ID. Empty. No SSID defined. Result Code: I/OK I/ERROR AT+iWLSI~ssid AT+iWLSI? AT+iWLSI=? If ssid is an empty or legal SSID string. Otherwise. Temporarily sets the SSID to ssid. The permanent value will be restored after completing the next session. Reports the current ssid value followed by I/OK.
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Chapter 2: AT+i Commands Reference Parameters: ki = 1..4. Command Options: ki= Default: When transmitting WiFi packets, the WEP key at position key_indx in the 4 key array will be used for packet encryption. 1. Result Code: I/OK If ki = 1..4. I/ERROR Otherwise. AT+iWLKI~ki AT+iWLKI? AT+iWLKI=? Temporarily set the transmission WEP key index to ki. The permanent value will be restored after completing the next session, both if the session was successful or not.
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Nonvolatile Parameter Database AT+iWLKn~keyString AT+iWLKn? AT+iWLKn=? Temporarily set WEP key n to keyString. The permanent value will be restored after completing the next session, both if the session was successful or not. Report the current WEP key value in position n. The reported value will consist of '*' characters. The number of '*' characters shall reflect the number of characters in the actual key string. If the key string is empty, only will be returned. The reply is followed by I/OK.
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Chapter 2: AT+i Commands Reference passphrase = Default: If WLSI (SSID) is not empty, WPA-PSK security is enabled for WiFi connections and pass is used in generating the WPA-PSK encryption key. The allowed value for pass is an ASCII string containing 8-63 characters. Empty. Result Code: I/OK I/ERROR AT+iWLPP~passphrase AT+iWLPP? AT+iWLPP=? If pass is an empty or legal pass-phrase. Otherwise. Temporarily set the wireless LAN WPA-PSK pass-phrase to passphrase. Report the current pass-phrase.
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Nonvolatile Parameter Database Result Code: I/OK I/ERROR AT+iWPSI? AT+iWPSI=? If n is a legal value. Otherwise. Returns the current WPSI value followed by I/OK. Returns the message '1-3600'. The reply is followed by I/OK. +iWSRL - SNR Low Threshold Syntax: AT+iWSRL= Sets a low SNR threshold for W24 in Roaming mode. If the SNR value of the signal from the AP that W24 is currently associated with drops below n, W24 is triggered by the SNR low event. Parameters: Default: n=0-255 dB.
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Chapter 2: AT+i Commands Reference +iWSIn - Wireless LAN Service Set Identifier Array Syntax: AT+iWSI= Sets the destination Wireless LAN Service Set Identifier (SSID) string into position n in the array. This array defines the order in which W24 attempts to connect to an AP or ad-hoc network. Parameters: n=0-9 n=0 is equivalent to the WLSI parameter and defines the default SSID. The default SSID (WSI0 or WLSI) determines the type of scanning that W24 performs.
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Nonvolatile Parameter Database +iWPPn - Pre-Shared Key Passphrase Array Syntax: AT+iWPPn= Sets the Wireless LAN PSK passphrase for WPA and WPA2 encryption for each individual SSID in the array. Parameters: n=0-9 10 WPA passphrases, one for each SSID, respectively. Setting WPP0= is equivalent to setting the WLPP parameter, and vice versa. = pass is the passphrase to be used in generating the PSK encryption key for WPA and WPA2.
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Chapter 2: AT+i Commands Reference KeyString=" KeyString= Default: Empty. key will be used as the KeyString value in position n. key must be a hexadecimal representation ASCII string, where each byte is described by two ASCII characters in the range [0.. 9], [A.. F] or [a.. f]. When using 64-bit WEP encryption (WLWM=1), key can contain up to 10 characters (defining 5 bytes). When using 128-bit WEP encryption (WLWM=2), key can contain up to 26 characters (defining 13 bytes). Empty.
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Nonvolatile Parameter Database I/ERROR AT+iWSTn~sec AT+iWSTn? AT+iWSTn=? Otherwise. Temporarily sets security type of the nth position to sec. Reports the current security type value in position n. The reply is followed by I/OK. Returns the message '0-4'. The reply is followed by I/OK. +iWSEC - Wireless LAN WPA Security Syntax: AT+iWSEC=n Sets the WPA protocol type to be used for wireless LAN security. This parameter takes effect following either a hardware or software reset (AT+iDOWN) only.
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Chapter 2: AT+i Commands Reference Email@= Default: addr will be used as the IP registration Email addressee. Empty. Result Code: I/OK AT+iRRMA? AT+iRRMA=? Report the current value of the IP registration addressee. If the IP registration addressee does not exist, an empty line containing only will be returned. The reply is followed by I/OK. Returns the message 'String'. The reply is followed by I/OK.
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Nonvolatile Parameter Database +iRRWS - IP Registration Web Server Syntax: AT+iRRWS=url Permanently sets the IP registration web server URL. Parameters: url = The web server URL to use for registration after going online. Command Options: url=" url= Default: Empty: No IP registration URL defined. Reg_URL will be used to dynamically register W24's IP and Port after going online as a result of an explicit AT+i command or as a result of automated Internet session establishment procedures.
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Chapter 2: AT+i Commands Reference Result Code: I/OK I/ERROR If IP is a legal IP address and Port is a legal IP port number. Otherwise. AT+iRRRL? Report the current return link IP and port. The reply is followed by I/OK. AT+iRRRL=? Returns the message "Name/IP[:Port]". The reply is followed by I/OK. +iHSTN - W24 Network Host Name Syntax: AT+iHSTN=host Permanently sets W24's Host Name. Parameters: host = Symbolic Host Name string.
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Nonvolatile Parameter Database SerialNET Mode Parameters +iHSRV | +iHSRn - Host Server Name/IP Syntax: AT+i{HSRV | HSRn} = server_name:port Sets the host server-name or IP and port number to be used in SerialNET mode. Use n=0 or HSRV to define the primary server. Use n=1 or 2 to define secondary servers. Parameters: n = 0 .. 2 server_name = A server name or IP address. Server names must be resolvable by the primary or alternate DNS. port = 0..65535.
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Chapter 2: AT+i Commands Reference +iHSS - Assign Special Characters to Hosts Syntax: AT+iHSS= When W24 is connected to HSRn (where n=0..2) in SerialNet mode, and character (where HSS=) arrives from the host, W24 will close the socket to remote server HSRn, flush all characters received from host prior to , and open a socket to remote server HSRm. In the special case when n=m, W24 doesn't do anything.
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Nonvolatile Parameter Database disconnect_string= ! Default: string received on serial link signals socket disconnection. string consists any combination of printable ASCII characters and characters represented by two hexadecimal digits, such as: \xhh, where h is a hexadecimal digit 0..9 or A..F. Hexadecimal representation allows specifying non-printable characters. W24 will not send a DSTR to the socket upon detection.
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Chapter 2: AT+i Commands Reference Parameters: n = number of bytes to buffer while establishing the connection in SerialNET mode. Command Options: n = 0 .. 2048 Default: 0 - No Buffering. Result Code: I/OK I/ERROR AT+iMBTB? AT+iMBTB=? If n is within limits. Otherwise. Report the current setting of max bytes to buffer. The reply is followed by I/OK. Returns the message "0-2048". The reply is followed by I/OK.
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Nonvolatile Parameter Database flush_chr = '' flush_chr = Default: Empty: No Flush character defined. The SerialNET socket will not be flushed as a result of receiving a special flush character. 'a' - 'z' | 'A' - 'Z' | '0' - '9' | where, = \x = 00-FF Empty. No flush character defined. Result Code: I/OK I/ERROR AT+iFCHR? AT+iFCHR=? If flush_chr is empty or a legal character representation. Otherwise. Report the current flush character. The reply is followed by I/OK.
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Chapter 2: AT+i Commands Reference +iIATO - Inactivity Timeout Syntax: AT+iIATO=n Permanently sets maximum inactivity timeout in seconds to signal socket disconnection in SerialNET mode. When signaled, W24 will close the connected SerialNET communication socket. In a modem environment, the W24 will also go offline following this event. When W24 is in iRouter mode and TUP< >2, if no activity is detected for the specified period, W24 will disconnect its modem side and go offline.
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Nonvolatile Parameter Database +iSNSI - SerialNET Device Serial Interface Syntax: AT+iSNSI=settings_str Sets serial interface settings for SerialNET mode. Parameters: settings_str = Serial link settings in SerialNET mode. Command Options: settings_str=",,,," where, = 0..9 or h = 7 | 8 = N | E | O = 1 = 0 | 1 The following table summarizes supported baud rates.
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Chapter 2: AT+i Commands Reference +iSTYP - SerialNET Device Socket Type Syntax: AT+iSTYP=v Sets SerialNET socket type to v. Parameters: v = 0 or 1. Command Options: v=0 TCP v=1 UDP Default: 0 (TCP). Result Code: I/OK I/ERROR AT+iSTYP? AT+iSTYP=? May 31, 2008 If v = 0 or 1. Otherwise. Reports the current value of the SerialNET socket type. The reply is followed by I/OK. Returns the message "0-1". The reply is followed by I/OK.
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Nonvolatile Parameter Database +iSNRD - SerialNET Device Re-Initialization Delay Syntax: AT+iSNRD=n Sets SerialNET mode re-initialization delay in seconds. Parameters: n = number of seconds W24 will pause before re-initializing SerialNET mode after a failed attempt to establish a socket connection to the peer or a connection related fatal error. A new SerialNET connection will only be attempted after SerialNET re-initializes.
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Chapter 2: AT+i Commands Reference +iSPN - SerialNET Server Phone Number Syntax: AT+iSPN=number Permanently sets the SerialNET phone number to use to wake up a remote SerialNET server. Parameters: number = Telephone number to use to dial up a remote SerialNET server in order to wake it up and activate its preprogrammed Ring-Response procedures. The SerialNET client will attempt RDL redials. During each dial-up attempt it will wait for SDT seconds before hanging up.
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Nonvolatile Parameter Database +iSDT - SerialNET Dialup Timeout Syntax: AT+iSDT=n Permanently sets the SerialNET Dial timeout when waking up a remote SerialNET server. Parameters: n = Number of seconds to allow after dialing up the remote SerialNET server, before hanging up. Command Options: n = 0..255 [seconds]. Default: 20 [seconds]. Result Code: I/OK I/ERROR Otherwise. AT+iSDT? Report the current SerialNET dial timeout. The reply is followed by I/OK. AT+iSDT=? 2-182 If n is within limits.
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Chapter 2: AT+i Commands Reference +iSWT - SerialNET Wake-Up Timeout Syntax: AT+iSWT=n Sets the SerialNET wake-up timeout when waking up a remote SerialNET server. Parameters: n = Number of seconds to allow the entire SerialNET server wakeup procedure before hanging up and retrying. Command Options: n = 0..65535 [seconds]. Default: 600 [seconds]. Result Code: I/OK I/ERROR AT+iSWT? AT+iSWT=? May 31, 2008 If n is within limits. Otherwise. Report the current SerialNET Wake-up timeout.
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Nonvolatile Parameter Database +iPTD - SerialNET Packets to Discard Syntax: AT+iPTD=n Sets the number of packets to be cyclically discarded in a SerialNET mode session. A packet is defined as the group of characters received on the serial link, meeting one (or more) of the socket flush conditions defined (+iFCHR, +iMTTF, +iMCBF). Parameters: Default: n = 0 - 65535. 0 - No packet filtering. All data is transferred. Result Code: I/OK If n is within limits. I/ERROR Otherwise.
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Chapter 2: AT+i Commands Reference +iUSRV - Remote Firmware Update Server Name Syntax: AT+iUSRV="://[:]/[/]" Sets name of server to be used for updating W24 firmware remotely. This server must contain one or more firmware .imz files. The actual update process is initiated using the AT+iRFU command. Parameters: = http or ftp = Host name or IP address = 1..65535 Default port for http is 80. Default port for ftp is 21.
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Nonvolatile Parameter Database +iUUSR - Remote Firmware Update FTP User Name Syntax: AT+iUUSR= Sets name of user to logon to the FTP server defined in the AT+iUSRV parameter. Parameters: = Name of user to logon to the FTP server. This must be a registered user on the FTP server. Some servers allow anonymous login, in which case username=anonymous. Command Options: AT+iUUSR=" Empty. No user name defined. Default: Empty. No user name defined.
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Chapter 2: AT+i Commands Reference AT+iUPWD? AT+iUPWD=? Returns a string of asterisk (*) characters indicating the number of characters in the password. If a password is not defined, only will be returned. The reply is followed by I/OK. Returns the message 'String'. The reply is followed by I/OK. Remote Parameter Update Syntax: AT+iRPG=GroupPass Sets the remote parameter update group/password. Also used to authenticate a remote technician connecting for remote debug purposes.
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Nonvolatile Parameter Database Secure Socket Protocol Parameters +iCS - Define the SSL3/TLS Cipher Suite Syntax: AT+iCS=n Sets the cipher suite to be used in SSL3/TLS negotiations with a secure server. The default value '0' is the all-cipher selection. With this value, W24 sends its full list of supported ciphers to the server. The server selects the most appropriate cipher to use during the handshake procedure. When a specific value is specified, W24 requires the server to use that specific cipher.
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Chapter 2: AT+i Commands Reference +iCA - Define SSL3/TLS Certificate Authority Syntax: AT+iCA=tca Sets the certificate of the trusted certificate authority. This authority is the one eligible to sign a server's certificate. W24 accepts a server's identity only if its certificate is signed by this authority. Parameters: tca = PEM format DER-encoded X509 certificate. Command Options: tca = tca = Default: Empty: No trusted certificate authority.
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Nonvolatile Parameter Database +iCERT - Define SSL3/TLS1 Certificate Syntax: AT+iCERT=ct Set W24's SSL3/TLS1 certificate. Some SSL3/TLS1 servers require the client side to authenticate its identity by requesting the client to provide a certificate during the SSL socket negotiation phase. This is called "client side authentication". If the CERT parameter contains a certificate, W24 provides it to the server upon request.
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Chapter 2: AT+i Commands Reference Parameters: pky = PEM format. Command Options: pky = pky = Default: Empty. Any existing private key is erased. pkey is used as W24's private key to RSA encrypt its certificate during client side authentication. W24 expects pkey to be multiple lines separated by , beginning with: -----BEGIN RSA PRIVATE KEY----and terminating with: -----END RSA PRIVATE KEY----Empty. No private key defined.
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Nonvolatile Parameter Database DHCP Server Parameters +iDPSZ - DHCP Server Pool Size Syntax: AT+iDPSZ= Sets number of addresses to be allocated in the IP pool of W24's DHCP server. Parameters: range = number of IP addresses in pool. Command Options: range=0-255 Default: When range=0 the pool is empty and the DHCP server is inactive. When range is set to any number between 1 and 255, and the DIP parameter is defined - the DHCP server becomes active. 0 - DHCP server is inactive.
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Chapter 2: AT+i Commands Reference iRouter Parameters +iARS - Automatic Router Start Syntax: AT+iARS=n Causes W24 to automatically enter iRouter mode upon power-up or soft reset. Upon entering iRouter mode, W24 immediately goes online on the dialup/cellular side. Packets are not buffered during dialup/cellular connection establishment. After establishing the connection, W24 starts the routing service. Parameters: n=0 Do not start iRouter mode upon power-up or soft reset.
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Nonvolatile Parameter Database 2-194 AT+i Commands Reference Manual May 31, 2008
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Appendix A: MIME Content Types and Subtypes The following tables give MIME content types and subtypes. Type text Subtype plain richtext enriched tab-seperated-values html sgml vnd.latex-z vnd.fmi.
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Type application Subtype Subtype octet-stream vnd.music-niff Postscript vnd.ms-artgalry Oda vnd.truedoc Atomicmail vnd.koan andrew-inset vnd.street-stream Slate vnd.fdf Wita set-payment-initiation dec-dx set_payment dca-rft set-registration-initiation Activemessage set-registration Rtf vnd.seemail Applefile vnd.businessobjects mac-binhex40 vnd.meridian-slingshot news-message-id vnd.xara news-transmission sgml-open-catalog wordperfect5.1 vnd.rapid Pdf vnd.
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Appendix A: MIME Content Types and Subtypes Type Subtype Subtype vnd.framemaker vnd.mif vnd.ms-excel vnd.ms-powerpoint vnd.ms-project vnd.ms-works Type image Subtype Jpeg Gif Ief g3fax Tiff Cgm Naplps vnd.dwg vnd.svf vnd.dxf Png vnd.fpx vnd.net-fpx audio Basic 32kadpcm vnd.qcelp video Mpeg Quicktime vnd.vivo vnd.motorola.video vnd.motorola.
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Appendix B: Sample Parameter Update File RP_GROUP="111" RP_DEST="00010001" RP_START_FROM_FACTORY_DEFAULTS=YES # MODEM PARAMETERS: MIS="ATX4E1&C1&D2M2L2" XRC=1 BDRM=8 # CONNECTION PARAMETERS: ISP1="7777555" ISP2="036666555" USRN="name" PWD="pass" DNS1=192.115.106.10 DNS2=192.115.106.11 ATH=1 SMTP="smtp.com" EMA="name@domain" # POP3 PARAMETERS: MBX="pop_name" MPWD="pop_pass" POP3="pop3.
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# EMAIL STRUCTURE_PARAMETERS: TOA="email@address.com" CC1= "cc1@address.com" CC2= "cc2@address.com" CC3= "cc3@address.com" CC4= "cc4@address.com" SBJ="MySubject" TOA="someone@hisServer.com" TO="name" FRM="me" REA="myEmail@myServer.com" BDY="This is my Email" FN="myfile.txt" MT=0 MST="text-plain" # CONNECTION TIMEOUT/RETRIES PARAMETERS: RDL=2 RTO=180 WTC=100 # OTHER PARAMETERS: HDL=5 URL="http://www.motorola.
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Appendix C: NIST Time Servers Table C-1: List of NIST Time Servers Server IP Address Location nist1.aol-ca.truetime.com 207.200.81.113 TrueTime, AOL facility, Sunnyvale, California nist1.aol-va.truetime.com 205.188.185.33 TrueTime, AOL facility, Virginia nist1.datum.com 66.243.43.21 Datum, San Jose, California nist1.datum.com 209.0.72.7 Datum, San Jose, California nist1.dc.certifiedtime.com 216.200.93.8 Abovnet, Virginia nist1.nyc.certifiedtime.com 208.184.49.
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Appendix D: Use Cases Use Case - Host Mode W24 supports a Host Mode functionality, when it is connected to an external host (terminal/controller) (see Figure D-1). In this mode, the W24 supports two physical connections to a host for two different networks, in spite of the W24 doesn't support several network connections simultaneously. A host uses dynamic switching between the two supported in the W24 networks: WiFi and Cellular (GSM/GPRS). The switching will be done via AT+I commands interface.
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Use Case - Host Mode Command AT+iCPF=1 Response I/OK I/ONLINE Comment The W24 is switched to the WLAN communication platform. The W24 WLAN station associates with an Access Point (AP) according to the following rules: 1. Scan and locate all AP's with a specific SSID If an SSID is not specified, scan and locate ALL available AP's. 2. Connect to the strongest signal AP from the AP's above.
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Appendix D: Use Cases Command AT+iCPF=0 Response I/OK Comment The W24 is switched to the GSM/GPRS communication platform. Command Response Comment AT+iMTYP=2 I/OK Set the Modem Type to 2 (GPRS). AT+iXRC=0 I/OK Set "Blind Dialing" mode, since GPRS modems do not respond with a dial tone. AT+iISP1=*99# I/OK Set the GPRS IP connection dial string. AT+iMIS="AT+cgdcont=1, I/OK \"IP\",\"INTERNET\" Define the Modem Initialization string. This is sent to the G24 before starting an Internet session.
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Use Case - Gateway/Router Mode Note: In case of Gateway/Router mode using, the following parameters and commands should be used to configure the mode behavior: • Automatic Router Start (AT+iARS) parameter - When set to 1, causes W24 to go online in Gateway/Router mode upon power-up. A default value is 0; • Start Router (AT+iSTRR) command - Causes W24 to go online in Gateway/Router mode. • Stop Router (AT+iSTPR) command - Causes W24 to exit Gateway/Router mode and go offline.
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Appendix D: Use Cases Upon entering Gateway/Router mode, W24 immediately goes online on the WiFi side and the Cellular. If an IP is not configured, W24 attempts to resolve one using its DHCP client. After establishing both connections, W24 holds two IP addresses, each associated with one of the physical interfaces.
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Use Case - Integrated Host (Java) Mode • Port numbers are not manipulated. In addition, the IP packet's TTL field is decremented and the TCP and IP checksums are re-calculated. Use Case - Integrated Host (Java) Mode W24 together with G24 supports functionality as Integrated Host (Java) (see Figure D-3). In this mode Java (inside of the G24) takes role of a Host.
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Index A AT+i Commands Overview, 1-1 AT+i Commands Reference Ad-Hoc Networks, 2-55 Connection +iBDRA, Force W24 into Auto Baud Rate Mode, 2-6 +iDOWN, Terminate Internet Session, 2-8 +iPING, Send a PING Request to a Remote Server, 2-9 +iTUP, Triggered Internet Session Initiation, 2-7 +iUP, Initiate Internet Session, 2-6 DHCP Client, 2-49 DHCP Server, 2-50 Direct Socket Interface +iGPNM, Get Peer Name for a Specified Socket, 2-38 +iLSST, Get a Listening Socket’s Active Connection Status, 2-35 +iLTCP, Open a TC
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A-A Index +iHSTN, W24 Network Host Name, 2-171 +iIATO, Inactivity Timeout, 2-177 +iIPA, Active IP Address, 2-157 +iIPG, IP Address of the Gateway, 2-157 +iISPn, Set ISP Phone Number, 2-129 +iLATI, TCP/IP Listening Socket to Service Remote AT+i Commands, 2-116 +iLPRT, SerialNET Device Listening Port, 2-174 +iLVS, ’Leave on Server’ Flag, 2-132 +iMACA, MAC Address of W24, 2-156 +iMBTB, Max Bytes To Buffer, 2-174 +iMBX, Define POP3 Mailbox Name, 2-138 +iMCBF, Maximum Characters before Socket Flush, 2-176 +iM
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G-U Index +iMCM, Issue Intermediate Command to Modem, 2-41 Telnet Client +iTBSN[%], Telnet Send a Byte Stream, 2-31 +iTCLS, Telnet Close Session, 2-32 +iTFSH[%], Flush Telnet Socket’s Outbound Data, 2-32 +iTOPN, Telnet Open Session, 2-30 +iTRCV, Telnet Receive Data, 2-30 +iTSND, Telnet Send Data Line, 2-30 Telnet Client Operation, 2-94 W24 Embedded Web Server, 2-75 W24 Parameter Update, 2-73 W24 RAS Server, 2-82 Web Server Interface +iWNXT, Retrieve Next Changed Web Parameter, 2-21 +iWWW, Activate Embedde
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MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Office. All other product or service names are the property of their respective owners. ?Copyright 2007 Motorola, Inc. Java? Technology and/or J2ME? : Java and all other Java–based marks are trademarks or registered trademarks of Sun Microsystems, Inc. in the U.S. and other countries. UNIX? : UNIX is a registered trademark of The Open Group in the United States and other countries.