Thanks for your help, i will try it again . [EMAIL PROTECTED] is my MSN , hope to make friend with you .
Sathya Thammanur <[EMAIL PROTECTED]> 說：
Take a look at the doc/rawapi.txt document in the lwip installation area. This has all the functions that you would need for writing TCP and UDP applications.
Here is a snippet of a function that sends data.
err_t err = ERR_OK;
u16_t len;
/* We cannot send more data than space available in the send
buffer. */
if (tcp_sndbuf(pcb) < ps->left) {
len = tcp_sndbuf(pcb);
} else {
len = ps->left;
}
if (len > 0) {
err = tcp_write(pcb, ps->buf_p, len, 1);
}
Sathya
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