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SWRS225B – FEBRUARY 2019 – REVISED MARCH 2020
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Detailed Description
Copyright © 2019–2020, Texas Instruments Incorporated
6.2.2
Network Stack
The network stack features are as follows:
•
Integrated IPv4, IPv6, and TCP/IP stack with BSD socket APIs for simple Internet connectivity with any
MCU, microprocessor, or ASIC
NOTE
Not all APIs are 100% BSD compliant. Not all BSD APIs are supported.
•
Support of 16 simultaneous TCP, UDP, RAW, SSL\TLS sockets
•
Built-in network protocols:
–
Static IP, LLA, DHCPv4, DHCPv6 (Stateful) with DAD and Stateless auto configuration
–
ARP, ICMPv4, IGMP, ICMPv6, MLD, ND
–
DNS client for easy connection to the local network and the Internet
•
Built-in network application and utilities:
–
HTTP/HTTPS
•
Web page content stored on serial Flash
•
RESTful APIs for setting\configuring application content
•
Dynamic user callbacks
•
Service discovery: Multicast DNS service discovery allows a client to advertise its service without a
centralized server. After connecting to the access point, the CC3135 device provides critical
information, such as device name, IP, vendor, and port number.
•
DHCP server
•
Ping
summarizes the NWP features.
Table 6-1. NWP Features
Feature
Description
Wi-Fi standards
802.11a/b/g/n station
802.11a/b/g AP supporting up to four stations
Wi-Fi Direct client and group owner
Wi-Fi channels
2.4 GHz ISM and 5 GHz U-NII Channels
Channel Bandwidth
20 MHz
Wi-Fi security
WEP, WPA/WPA2 PSK, WPA2 enterprise (802.1x)
Wi-Fi provisioning
SmartConfig technology, Wi-Fi protected setup (WPS2), AP mode with internal HTTP web server
IP protocols
IPv4/IPv6
IP addressing
Static IP, LLA, DHCPv4, DHCPv6 with DAD
Cross layer
ARP, ICMPv4, IGMP, ICMPv6, MLD, NDP
Transport
UDP, TCP
SSLv3.0/TLSv1.0/TLSv1.1/TLSv1.2
RAW
Network applications and
utilities
Ping
HTTP/HTTPS web server
mDNS
DNS-SD
DHCP server
Host interface
UART/SPI