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高通AT命令文档.pdf
AT Command Set in AMSS
Contents
Figures
Tables
1 Introduction
1.1 Purpose
1.2 Scope
1.3 Conventions
1.4 Revision history
1.5 References
1.6 Technical assistance
1.7 Acronyms
2 AT Command Support
2.1 AT command set
2.2 DTE-TA/DCE interface commands
2.2.1 General commands
2.2.1.1 Basic commands
2.2.1.2 UMTS general commands
2.2.1.3 ITU-T V.25ter generic DCE control commands
2.2.1.4 PCCA STD-101 commands
2.2.2 Call control commands
2.2.2.1 UMTS call control commands
2.2.2.2 ITU-T V.25ter call control commands
2.2.2.3 ITU-T V.25ter data compression commands
2.2.3 Network service-related commands
2.2.4 Mobile equipment commands
2.2.5 UMTS packet domain commands
2.2.5.1 UMTS-specific packet domain commands
2.2.5.2 Packet domain modem compatibility commands
2.2.6 SMS commands
2.2.7 Vendor-specific commands
2.2.8 FAX commands
2.2.9 Synchronous Data mode commands
3 AT Command Processor
3.1 ATCoP and related source files
3.2 ATCoP overview
3.2.1 General architecture and control flow
3.2.2 SIO data preprocessor
3.2.3 AT command parser
3.2.4 AT command processor
3.2.4.1 Aborting AT commands
3.2.4.2 Asynchronous event handling
3.2.4.3 AT command response generator
3.2.4.4 AT command tables and command processing functionality
3.2.4.5 ATCoP command tables
3.2.4.6 Command table structure
3.2.5 Command table entry
3.2.5.1 dsati_cmd_type
3.2.5.2 dflm_type
3.2.5.3 def_list_type
3.2.5.4 mixed_def_s_type and dsat_mixed_param_val_type
3.2.5.5 tokens_struct_type
3.2.6 Command tables
3.3 ATCoP asynchronous event handler tables
3.3.1 Asynchronous event handler table structure
3.3.2 Asynchronous event table entry
3.3.2.1 dsati_async_event_table_entry_type
3.3.2.2 dsati_async_event_handler_type
3.3.3 Asynchronous event handler table
3.4 Adding a new AT command
3.4.1 Adding a new asynchronous AT command
A List of Unsupported Commands
AT Command Set in AMSS
Application Note
80-VF696-1 B
July 10, 2008
Submit technical questions at:
https://support.cdmatech.com
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Qualcomm Confidential and Proprietary
Restricted Distribution. Not to be distributed to anyone who is not an employee of either Qualcomm or a subsidiary of
Qualcomm without the express approval of Qualcomm’s Configuration Management.
Not to be used, copied, reproduced in whole or in part, nor its contents revealed in any manner to others without the express
written permission of Qualcomm.
Qualcomm reserves the right to make changes to the product(s) or information contained herein without notice. No liability is
assumed for any damages arising directly or indirectly by their use or application. The information provided in this document is
provided on an “as is” basis.
This document contains Qualcomm confidential and proprietary information and must be shredded when discarded.
QUALCOMM is a registered trademark of QUALCOMM Incorporated in the United States and may be registered in other
countries. Other product and brand names may be trademarks or registered trademarks of their respective owners. CDMA2000 is
a registered certification mark of the Telecommunications Industry Association, used under license. ARM is a registered
trademark of ARM Limited. QDSP is a registered trademark of QUALCOMM Incorporated in the United States and other
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This technical data may be subject to U.S. and international export, re-export, or transfer (“export”) laws. Diversion contrary to
U.S. and international law is strictly prohibited.
QUALCOMM Incorporated
5775 Morehouse Drive
San Diego, CA 92121-1714
U.S.A.
Copyright © 2007-2008 QUALCOMM Incorporated.
All rights reserved.
Contents
1 Introduction...................................................................................................... 6
1.1 Purpose................................................................................................................................ 6
1.2 Scope ................................................................................................................................... 6
1.3 Conventions......................................................................................................................... 6
1.4 Revision history................................................................................................................... 6
1.5 References ........................................................................................................................... 7
1.6 Technical assistance ............................................................................................................ 7
1.7 Acronyms ............................................................................................................................ 7
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2 AT Command Support .................................................................................... 8
2.1 AT command set ................................................................................................................. 8
2.2 DTE-TA/DCE interface commands .................................................................................... 9
2.2.1 General commands ............................................................................................... 11
2.2.1.1 Basic commands ...................................................................................... 11
2.2.1.2 UMTS general commands ....................................................................... 11
2.2.1.3 ITU-T V.25ter generic DCE control commands...................................... 12
2.2.1.4 PCCA STD-101 commands..................................................................... 13
2.2.2 Call control commands......................................................................................... 14
2.2.2.1 UMTS call control commands................................................................. 14
2.2.2.2 ITU-T V.25ter call control commands..................................................... 18
2.2.2.3 ITU-T V.25ter data compression commands........................................... 20
2.2.3 Network service-related commands ..................................................................... 20
2.2.4 Mobile equipment commands............................................................................... 24
2.2.5 UMTS packet domain commands ........................................................................ 26
2.2.5.1 UMTS-specific packet domain commands.............................................. 26
2.2.5.2 Packet domain modem compatibility commands .................................... 32
2.2.6 SMS commands.................................................................................................... 33
2.2.7 Vendor-specific commands .................................................................................. 35
2.2.8 FAX commands.................................................................................................... 38
2.2.9 Synchronous Data mode commands..................................................................... 40
3 AT Command Processor............................................................................... 41
3.1 ATCoP and related source files......................................................................................... 41
3.2 ATCoP overview............................................................................................................... 43
3.2.1 General architecture and control flow .................................................................. 44
3.2.2 SIO data preprocessor........................................................................................... 47
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AT Command Set in AMSS
Contents
3.2.3 AT command parser ............................................................................................. 47
3.2.4 AT command processor........................................................................................ 47
3.2.4.1 Aborting AT commands .......................................................................... 48
3.2.4.2 Asynchronous event handling.................................................................. 48
3.2.4.3 AT command response generator ............................................................ 49
3.2.4.4 AT command tables and command processing functionality .................. 49
3.2.4.5 ATCoP command tables .......................................................................... 49
3.2.4.6 Command table structure......................................................................... 50
3.2.5 Command table entry............................................................................................ 51
3.2.5.1 dsati_cmd_type ........................................................................................ 51
3.2.5.2 dflm_type................................................................................................. 57
3.2.5.3 def_list_type............................................................................................. 58
3.2.5.4 mixed_def_s_type and dsat_mixed_param_val_type .............................. 59
3.2.5.5 tokens_struct_type ................................................................................... 63
3.2.6 Command tables ................................................................................................... 64
3.3 ATCoP asynchronous event handler tables....................................................................... 65
3.3.1 Asynchronous event handler table structure......................................................... 65
3.3.2 Asynchronous event table entry............................................................................ 65
3.3.2.1 dsati_async_event_table_entry_type ....................................................... 66
3.3.2.2 dsati_async_event_handler_type ............................................................. 66
3.3.3 Asynchronous event handler table........................................................................ 67
3.4 Adding a new AT command.............................................................................................. 67
3.4.1 Adding a new asynchronous AT command.......................................................... 71
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A List of Unsupported Commands ................................................................. 77
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AT Command Set in AMSS
Contents
Figures
Figure 3-1 Basic ATCoP architecture and data flow .................................................................... 45
Figure 3-2 Control flow for AT commands processing................................................................ 46
Figure 3-3 AT command table structure....................................................................................... 50
Figure 3-4 Relationship between command data structures ......................................................... 56
Figure 3-5 Asynchronous event handler table structure ............................................................... 65
Tables
Table 1-1 Revision history.............................................................................................................. 6
Table 1-2 Reference documents and standards............................................................................... 7
Table 2-1 Column headings............................................................................................................ 8
Table 2-2 ITU-T V.25ter DTE-DCE interface commands ............................................................. 9
Table 2-3 Basic commands........................................................................................................... 11
Table 2-4 UMTS general commands............................................................................................ 11
Table 2-5 ITU-T V.25ter generic DCE control commands .......................................................... 12
Table 2-6 PCCA STD-101 commands.......................................................................................... 13
Table 2-7 UMTS call control commands..................................................................................... 14
Table 2-8 ITU-T V.25ter call control commands ......................................................................... 18
Table 2-9 ITU-T V.25ter data compression commands................................................................ 20
Table 2-10 Network service-related commands ........................................................................... 20
Table 2-11 Mobile equipment commands .................................................................................... 24
Table 2-12 UMTS specific packet domain commands................................................................. 26
Table 2-13 Packet domain modem compatibility commands....................................................... 32
Table 2-14 SMS text and PDU mode commands ......................................................................... 33
Table 2-15 Vendor-specific commands ........................................................................................ 35
Table 2-16 FAX ITU-T T.31 commands for GSM....................................................................... 38
Table 2-17 ITU-T V.80ter Synchronous Data mode commands .................................................. 40
Table 3-1 AT command processor source files ............................................................................ 41
Table 3-2 Data services task source files...................................................................................... 43
Table 3-3 AT command attributes ................................................................................................ 52
Table 3-4 Mode argument............................................................................................................. 54
Table 3-5 Execution function return values................................................................................. 54
Table 3-6 Command syntax flags ................................................................................................. 63
Table 3-7 Command categories .................................................................................................... 64
Table 3-8 Asynchronous event handler function return values .................................................... 67
Table A-1 List of unsupported commands.................................................................................... 77
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1 Introduction
1.1 Purpose
1
2
3
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17
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This document specifies the AT command set for all Qualcomm Universal Mobile
Telecommunications Systems (UMTS) chipsets. It groups AT commands into several categories.
Each category identifies all AT commands applicable to that category, specifies supported targets,
and describes the applicable mode.
Information in this document is preliminary and subject to change and does not represent a
commitment on the part of QUALCOMM Incorporated.
NOTE
8
1.2 Scope
1.3 Conventions
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This document provides a description of the AT commands that will be supported in the various
Qualcomm UMTS chipsets. This document is intended for those who are interested in using the
AT commands.
Function declarations, function names, type declarations, and code samples appear in a different
font, e.g., #include.
1.4 Revision history
The revision history for this document is shown in Table 1-1.
Table 1-1 Revision history
Version
A
B
Date
Jun 2007
Jul 2008
Description
Initial release
Updated Table 2-2, Table 2-5, Table 2-8, Table 2-10, Table 2-12, Table 2-14,
Table 2-15 and Appendix; added Table 2-6 and Chapter 3
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AT Command Set in AMSS
Introduction
1.5 References
Reference documents, which may include QUALCOMM®, standards, and resource documents,
are listed in Table 1-2. Reference documents that are no longer applicable are deleted from this
table; therefore, reference numbers may not be sequential.
Table 1-2 Reference documents and standards
Document
Ref.
QUALCOMM
Q1
Standards
S1
S2
S3
S4
S5
S6
Application Note: Software Glossary for Customers
AT command set for 3GPP User Equipment (UE)
Equipment (DTE - DCE) interface for Short Message Service
(SMS) and Cell Broadcast Service (CBS)
Serial Asynchronous Automatic Dialing and Control
Data Transmission Systems and Equipment — Serial
Asynchronous Automatic Dialing and Control for Character
Mode DCE on Wireless Data Services
In-band DCE control and synchronous data modes for
asynchronous DTE
Asynchronous Facsimile DCE Control, Service Class I
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CL93-V3077-1
3GPP TS 27.007 (Release 4)
3GPP TS 27.005 (Release 7)
ITU-T V.25ter (Jul 1997)
PCCA STD-101 (Jun 1995)
ITU-T V.80 (Aug 1996)
ITU-T T.31 (Aug 1995)
1.6 Technical assistance
For assistance or clarification on information in this guide, submit a Service Request to
Qualcomm CDMA Technologies at https://support.cdmatech.com/.
If you do not have access to the CDMATech Support Service Requests site, you may send email
to support.cdmatech@qualcomm.com.
1.7 Acronyms
For definitions of terms and abbreviations, refer to [Q1]
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2 AT Command Support
The following categories of AT commands shall be supported for UMTS:
DTE-TA interface
General
Call control
Network service-related
Mobile equipment
UMTS packet domain
Short Message Service (SMS)
Vendor-specific
FAX
Synchronous Data mode
The TA/DCE shall only accept AT commands at one fixed data rate. Automatic baud rate
detection shall not be supported.
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2.1 AT command set
Specific AT commands for each category of supported commands are defined in the remaining
sections of this document. Each section contains tables listing all AT commands applicable to that
category of command. The tables contain several column headings defining the AT command. A
description of these column headings is given in Table 2-1.
Table 2-1 Column headings
Heading
Command
Description
3GPP TS 27.007 or
3G TS 27.005 or
ITU-T T.31 requirement
Explanation
Description
Defines the AT command name in its ASCII character string format
Short explanation of the command and its values
ETSI requirement column specifies whether the AT command set
specifications classify the command as:
Mandatory
Optional
Not applicable (N/A)
Provides insight into the reasoning behind the implementation
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AT Command Set in AMSS
AT Command Support
Heading
Supported targets
Applicable mode
Description
“All” indicates MSM6250®, MSM6275™, MSM6260™, MSM6245™,
MSM6280™, MSM6290™, MSM6246™, MSM6240™, MSM6270™,
MSM7200™, MSM7200A™ and MSM7225™ ASICs; if the command is
not supported in a particular target/release, it is indicated as “All except
rel x”
Specifies which modes the AT command works in:
WCDMA and GSM
GSM only
WCDMA only
Not applicable (N/A)
2.2 DTE-TA/DCE interface commands
For UMTS, support the DTE-TA/DCE interface commands as indicated in Table 2-2. Command
support shall be as specified in [S1] and [S3].
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2
3
4
5
NOTE The following table has been updated.
Table 2-2 ITU-T V.25ter DTE-DCE interface commands
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requirement
Mandatory
3GPP TS
27.007
Mandatory
Mandatory
Description
Explanation
Command
S3
S4
S5
E
Q
V
X
Command line
termination character;
values per specifications
Response formatting
character; values per
specifications
Command line editing
character; values per
specifications
Command echo; values
per specifications
Result code
suppression; values per
specifications
DCE response format;
values per specifications
Result code selection
and call progress
monitoring control;
values per specifications
&C Circuit 109 DCE RLSD
(DCD) behavior; values
per specifications
Circuit 108 DTE DTR
behavior; values per
specifications
&D
Supported
targets
Applicable
mode
All
All
All
All
All
All
All
All
All
WCDMA
and GSM
WCDMA
and GSM
WCDMA
and GSM
WCDMA
and GSM
WCDMA
and GSM
WCDMA
and GSM
WCDMA
and GSM
WCDMA
and GSM
WCDMA
and GSM
Mandatory
Mandatory
Mandatory
Mandatory
Mandatory
Mandatory
Currently, data
rates display
supported only for
CS data
&C2 is a
QUALCOMM
implementation
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