Internet Protocol v6 running on MSP430 with ENC28J60

Posted on Monday, September 3rd, 2012 in MSP430 by DP

XPG is developing an IPv6 stack for the MSP430 microcontrollers using the ENC28J60 Ethernet IC for MAC/PHY. He demonstrates his proof-of-concept by having the MSP430 send HTTP requests to a custom PHP server at a push of a button, as seen in the video above.

Now, as the 2553 only has 512 bytes of RAM I am using an external SPI SRAM chip to provide a bit more storage as an IPv6 address takes up 16 bytes and you can’t get around storing around 4 or 5 of them. Currently, around 2K are used of the SPI ram. Currently supported are basic IPv6 things such as obtaining an address from Router Advertisments (only 1, though), ICMP ping, UDP transmission, and a very simple TCP implementation that support both server and client mode.
The implementation is very rough (especially TCP), so I won’t share it at this time.

Via 43oh.

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