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Altera_Forum
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15 years ago

Altera TSE driver and example program for lwIP (1.3.2)

After many many requests and complaints about lack of support and/or documentation for support of lwIP for the Altera TSE, I have developed a drop-in TSE driver and example program and made this avai...
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Altera_Forum
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13 years ago

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What happens if your writes are: 

netconn_write(com->conn, "abcd", 1, NETCONN_NOCOPY); 
netconn_write(com->conn, "efgh"i+1, 1, NETCONN_NOCOPY); 
netconn_write(com->conn, "ijkl"+2, 1, NETCONN_NOCOPY);
netconn_write(com->conn, "mnop+3", 1, NETCONN_NOCOPY);
netconn_write(com->conn, "qrst", 1, NETCONN_NOCOPY);
The problem might be with misaligned transfers.

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Dsl, happens essentially the same – the same garbage on the boundaries of short writes. Bill’s driver handles misaligned writes by copying into temporary buffer on stack. I’ve attached complete session dump (for these tests I use shell.c from lwip contrib and just modify com_help()).