Texas Instruments SimpleLink Wi-Fi CC3120

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CC3120, CC3220 SimpleLink™ Wi-Fi

and

Internet of Things Network Processor

Programmer's Guide

Literature Number: SWRU455A

February 2017–Revised March 2017

Main Page

Table of Contents2
Overview12
Introduction12
Simplelink Wi-Fi Solution Block Diagram13
Networking Subsystem Block Diagram14
Acronyms and Terminologies15
Key Features15
Host Driver Overview16
Host Interface16
Software Modules of the Host Driver16
OS Versus Non-OS17
Quick Reference17
Quick Host Apis Reference18
Porting to Different Platforms19
Host Driver Adaptation Modules (Platform-Dependent)19
Networking Application20
Introduction21
Wi-Fi Connectivity21
Traffic Types22
Wi-Fi Connectivity22
Security23
User Experience23
Power Consumption23
Provisioning24
Basic Examples24
Wi-Fi Doorbell24
Power Socket24
Design Considerations for Doorbell Applications24
Wi-Fi Tag25
Design Considerations for Power Socket Application25
Design Considerations for Tag Applications25
Device26
Introduction27
Key Features27
Start and Stop27
Start27
Stop27
Hibernate and Shutdown28
Lock State28
Initialization Sequence28
Host Interface29
SPI Interface29
SPI Configuration29
UART Interface30
Typical CC3120 Setup (SPI)30
UART Settings30
Typical CC3120 Setup (UART)31
Version32
Event Mask32
Time and Date32
MAC Address33
Device Name33
Domain Name34
Device Status34
Persistent Configuration35
Errors35
Example35
Common Asynchronous Error Events35
Common Error Codes36
Wlan37
Introduction38
Key Features38
Station (STA)38
General Description38
Configurations and Settings38
Default Parameters in Station Mode39
Tx Output Power Vs Tx Power Settings40
Connection41
Events and Errors44
Common Errors44
Access Point45
General Description45
Configurations and Settings45
AP Default Parameters45
Set Network Configuration50
Station Management51
Events and Errors52
Limitations52
Example52
Common Errors52
Wi-Fi Direct53
General Description53
Supported Features53
Configurations and Settings53
Wi-Fi Direct Default Parameters53
Connection57
Events and Errors60
Common Errors61
Limitations62
WLAN Security62
Personal Security62
Supported Personal Security Types62
Enterprise Security63
Wps65
Scan66
General Description66
Configuration (AP/STA)66
Usage67
Miscellaneous67
Calibrations67
Calibration Modes68
Network Addresses69
Introduction70
Key Features70
Addressing70
Ipv4 Addresses71
Ipv6 Addresses72
DNS Addresses73
Dhcpv4 Client73
Modes73
Address Release74
Dhcpv4 IP Acquisition Modes74
Dhcpv4 Server75
Enable and Disable the DHCP Server75
Set DHCP Server Parameters75
DHCP Server Defaults75
DNS Server76
Errors and Asynchronous Events76
Major Asynchronous Events in Netapp Silo76
Major Asynchronous Events in Netcfg Silo77
Major Errors While Calling Sl_Netcfgset77
Socket79
Introduction80
Key Features80
Socket Types80
Bsd Api81
BSD Apis81
Socket Working Flow82
TCP Socket Flow83
UDP Socket Flow86
Multicast88
Dns90
Tcp Udp Raw91
Operation Modes91
Nonblocking Mode91
Operational Modes91
Trigger Mode92
Trigger Mode Flow93
IP Fragmentation95
Errors95
Asynchronous Error Events96
Common Error Status Codes96
Secure Socket97
Introduction98
Key Features98
Opening a Secure Socket98
Trusted Root-Certificate Catalog99
Options and Features Use99
Set SSL Version99
Set Cipher Suites100
Set Certificates, Root CA, Private Key, and DH Files100
Disable the Use of the Trusted Root-Certificate Catalog101
Related Files101
Set ALPN List102
Set Domain Name for Verification102
Upgrade Nonsecured Socket to Secured102
Get Connection Parameters104
Supported Cryptographic Algorithms104
Common Errors and Asynchronous Events105
Using Socket Asynchronous Events in SSL105
Cryptographic Algorithms105
Common Errors106
File System107
Introduction110
Key Features110
File System Characteristics111
Write a File111
Introduction111
Secure Files111
Create a File Versus Open for Write112
Create a File113
Creation Flags114
Open a File for Write115
Write an Opened File115
Close an Opened (for Write) File116
Close an Opened (for Write) Secure-Signed File117
Read a File118
Open a File for Read118
Read an Opened File118
Close an Opened (for Read) File119
Delete a File119
Rename a File120
File System Helper Functions120
Get File Information120
Get Storage Information121
Get List of Files121
Bundle Protection121
Bundle File States122
Bundle Protection122
Bundle States123
Commit a Bundle124
Rollback a Bundle124
Retrieve the Bundle and Files State124
CC3220 Bundle Aspects124
File Commit Feature125
File Commit Process125
File Rollback Process126
Programming126
Creation of the Programming Image126
Restore to Factory128
Restore to Factory by the Host129
Restore to Factory by Using the SOP130
Security Alerts131
Design Consideration131
Choosing SFLASH Type131
Software Design Consideration131
Retrieving Info Regarding SFLASH Usage132
SFLASH Size132
Storage Usage Information133
Image Creator Log133
HTTP Server134
Introduction137
Built-In Configuration137
Restful Apis137
Configuration137
Custom Static138
Changing Configuration138
Reading Configuration138
Static139
Custom Pages with Device Tokens139
Host Application Interface140
Key Features140
Static Pages with Host Tokens140
Configurations and Settings141
Configuration Options141
Restful API Processing142
Ping142
IP Configuration142
Ping Options142
IP Configurations142
URN Configuration143
WLAN Profiles143
URN Configurations143
WLAN Scan144
WLAN EAP Profiles144
Erase Profiles144
Provisioning Confirmation145
Connection Policy145
Station Action145
AP Black List145
Connection Policies145
Date and Time146
Device Parameter Querying through HTTP (Device Tokens)146
AP Control146
Retrieving Tokens through GET Request147
Embedded Tokens147
System Information147
System Information Tokens147
Version Information148
Network Information148
Version Information Tokens148
Network Information Tokens148
Ping Results150
Connection Policy Status150
Ping Results Tokens150
Connection Policies Status Tokens150
Provisioning151
Display Profile Information151
P2P Information151
Provisioning Tokens151
Display Profile Information Tokens151
P2P Information Tokens152
Host Tokens153
Resource Search Order153
GET Request Search Order153
GET Request Flow153
POST Request Search Order154
PUT and DELETE Request Search Order154
Host HTTP Requests Processing154
POST Request Flow154
PUT and DELETE Request Flow154
Metadata (Tlvs) Description155
TLV Structure155
HTTP Metadata Types155
Internal Metadata Types155
Metadata Breakout Examples156
GET Processing157
GET Request with and Without Fragmentation157
POST Processing Flow160
POST Processing160
Delayed Response162
PUT Processing164
DELETE Processing164
Security164
Authentication164
Secure Connection164
Other165
Processing of Parallel Requests165
Key Features167
Rx Filters175
Rx Filter Match Flow176
Possible Triggers176
Possible Rules177
Possible Actions177
Possible Compare Functions181
Rule Types182
Rule Types Layers185
Key Features195
Power and Latency203
Key Features203
Power Policy204
Key Features207
The Provisioning Environment208
The Provisioning Process209
Provisioning Status213
Errors214
Successful Smartconfig Provisioning216
Unsuccessful Smartconfig Provisioning217
Successful Smartconfig Provisioning with AP Fallback218
Successful AP Provisioning219
Successful AP Provisioning with Cloud Confirmation220
External Configuration Method: WAC221
Successful Smartconfig Provisioning While External Configuration Enabled222
Key Features224
Common Errors227
Secure Content Delivery229
File Format230
User.h Location233
Selecting Capabilities234
Host Apis240
Persistency Settings242

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Texas Instruments SimpleLink Wi-Fi CC3120 Specifications

General

Brand	Texas Instruments
Model	SimpleLink Wi-Fi CC3120
Category	Computer Hardware
Language	English

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Texas Instruments SimpleLink Wi-Fi CC3120 - User Manual

Table of Contents

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