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remote_dido_unit
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备份-111

This commit is contained in:
王绪洁 2025-07-08 16:35:43 +08:00
parent e78baca1d3
commit 1a5f755bbf
1 changed files with 3 additions and 2 deletions
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5
User/application/src/tcpserverc.c
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@ -34,7 +34,7 @@ static err_t tcpecho_recv_control(void *arg, struct tcp_pcb *tpcb, struct pbuf *
if (p != NULL) if (p != NULL)
{ {
/* 更新窗口*/ /* 更新窗口*/
tcp_echo_flags_control = 1;
tcp_recved(tpcb, p->tot_len); // 读取数据的控制块 得到所有数据的长度 tcp_recved(tpcb, p->tot_len); // 读取数据的控制块 得到所有数据的长度
server_pcb_control = tpcb; // 直接赋值 server_pcb_control = tpcb; // 直接赋值
memcpy(tcp_rx_data, (int *)p->payload, p->tot_len); memcpy(tcp_rx_data, (int *)p->payload, p->tot_len);
@ -93,6 +93,7 @@ static err_t tcpecho_recv_control(void *arg, struct tcp_pcb *tpcb, struct pbuf *
} }
else if (err == ERR_OK) // 检测到对方主动关闭连接时，也会调用recv函数，此时p为空 else if (err == ERR_OK) // 检测到对方主动关闭连接时，也会调用recv函数，此时p为空
{ {
tcp_echo_flags_control = 0;
return tcp_close(tpcb); return tcp_close(tpcb);
} }
@ -101,7 +102,7 @@ static err_t tcpecho_recv_control(void *arg, struct tcp_pcb *tpcb, struct pbuf *
static err_t tcpecho_accept_control(void *arg, struct tcp_pcb *newpcb, err_t err) // 由于这个函数是*tcp_accept_fn类型的 static err_t tcpecho_accept_control(void *arg, struct tcp_pcb *newpcb, err_t err) // 由于这个函数是*tcp_accept_fn类型的
{ {
tcp_recv(newpcb, tcpecho_recv_control); // 当收到数据时，回调用户自己写的tcpecho_recv tcp_recv(newpcb, tcpecho_recv_control); // 当收到数据时，回调用户自己写的tcpecho_recv
tcp_echo_flags_control = 1;
return ERR_OK; return ERR_OK;
} }
void tcp_echo_init(void) void tcp_echo_init(void)