else if(es->state == ES_CONNECTED)
{
u8_t *l;
struct pbuf *tp;
u16_t index = 0;
/* increment message count */
message_count++;
tcp_recved(tpcb, p->tot_len);
tp = p;
while(index < p->tot_len)
{
/* Acknowledge data reception */
l = (u8_t *)tp->payload;
l = l + tp->len;
*l = '\0';
//strcat(recev_buf,tp->payload);
memcpy(&recev_buf[index],tp->payload,tp->len);
index += tp->len;
tp = tp->next;
}
recev_buf[index] = 0;
#ifdef SERIAL_DEBUG
printf("%s",recev_buf);
#endif
pbuf_free(p);
ret_err = ERR_OK;
}
這個是接收部分的代碼,當接收的數據很多的時候,第三塊pbuf會指向了亂碼,使得程序出錯了。這是怎么回事呢,是緩沖區的內存設置的不夠大嗎?
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