LZT 123 1836
85
9
TCP/IP Stack
An on board IP/TCP/UDP stack has been integrated into the software negating the
need for the customer to implement one in their own code base.
This is accessible by using an embedded applications (see section 9) using intrinsic
functions or through AT commands.
9.1
Implementation
The following types of commands allow various functions:
•
Open/closing IP connection - Negotiates/closes a dynamic IP address with the
web server.
•
Send/Receive TCP packets - Performs all TCP operations to send and receive
packets.
•
Send/Receive UDP packets - Performs all UDP operations to send and receive
packets.
•
Resolve URL to an IP address - Similar to nslookup command in DOS When the
unit is set up and controlled using the embedded applications
