I'm using arm9 with Eclipse(GNU), board at91sam9260!
Maybe the way that I'm using tcp_write is wrong!
part of my lwipopts.h:
/* This is the callback function that is called
when a TCP segment has arrived in the connection. */
static err_t
httpd_recv(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err)
{
// static u32_t reqcount;
//printf("CB recv %x, %x, %x, %x\n\r", arg, pcb, p, err);
if (err != ERR_OK) {
return err;
}
/* If we got a NULL pbuf in p, the remote end has closed
the connection. */
if(p == NULL) {
/* Close the connection. */
tcp_close(pcb);
return ERR_OK;
}
/* The payload pointer in the pbuf contains the data
in the TCP segment. */
int len = strlen(p->payload);
if (len <= 0)
return ERR_OK;
char* cmd = p->payload;
printf("rcv: \""); printf(cmd); printf("\"\n\r");
if (StartsWith(cmd, "@read") && len >= 21) {
for (SndPacketCount=0; SndPacketCount < SndPacketTotal;
SndPacketCount++) {
getbuffer();
tcp_write(pcb, SndBuffer, SndBufferLen, 0);
tcp_output(pcb);
}
printf("rd_ok#");
tcp_write(pcb, "rd_ok#", 6, 0);
}
}
-------------------------------------------------------
I made a program with C# that comunicate with arm through Ethernet, and with uIP
I receive the data in C# application correctly, but with this one, dont work;/
Thanks
Diego
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