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已经完成了网络，DI口，RS485的数据透传，可通过RS485接收数据

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zhongxuanzhen
2026-05-06 10:55:55 +08:00
parent 0eea5c1424
commit 61530dccec
258 changed files with 40311 additions and 4851 deletions
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User/Loopback/loopback.c Normal file
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#include <stdio.h>
#include "loopback.h"
#include "socket.h"
#include "wizchip_conf.h"
/* 【新增】引入多串口路由模块 */
#include "multi_uart_router.h"
#if LOOPBACK_MODE == LOOPBACK_MAIN_NOBLCOK
/**
* @brief tcp server loopback test
* @param sn: socket number
* @param buf: Data sending and receiving cache
* @param port: Listen port
* @return value for SOCK_ERRORs,return 1:no error
*/
int32_t loopback_tcps(uint8_t sn, uint8_t *buf, uint16_t port)
{
int32_t ret;
uint16_t size = 0, sentsize = 0;
#ifdef _LOOPBACK_DEBUG_
uint8_t destip[4];
uint16_t destport;
#endif
switch (getSn_SR(sn))
{
case SOCK_ESTABLISHED:
if (getSn_IR(sn) & Sn_IR_CON)
{
#ifdef _LOOPBACK_DEBUG_
getSn_DIPR(sn, destip);
destport = getSn_DPORT(sn);
printf("%d:Connected - %d.%d.%d.%d : %d\r\n", sn, destip[0], destip[1], destip[2], destip[3], destport);
#endif
// We need to send a packet of data to activate keepalive
ret = send(sn, (uint8_t *)"", 1); // Data send process
if (ret < 0) // Send Error occurred (sent data length < 0)
{
close(sn); // socket close
return ret;
}
setSn_IR(sn, Sn_IR_CON);
}
if ((size = getSn_RX_RSR(sn)) > 0) // Don't need to check SOCKERR_BUSY because it doesn't not occur.
{
if (size > DATA_BUF_SIZE)
size = DATA_BUF_SIZE;
ret = recv(sn, buf, size);
if (ret <= 0)
return ret; // check SOCKERR_BUSY & SOCKERR_XXX. For showing the occurrence of SOCKERR_BUSY.
size = (uint16_t)ret;
sentsize = 0;
buf[size] = 0x00;
printf("rece data:%s\r\n", buf);
while (size != sentsize)
{
ret = send(sn, buf + sentsize, size - sentsize);
if (ret < 0)
{
close(sn);
return ret;
}
sentsize += ret; // Don't care SOCKERR_BUSY, because it is zero.
}
}
break;
case SOCK_CLOSE_WAIT:
#ifdef _LOOPBACK_DEBUG_
printf("%d:CloseWait\r\n", sn);
#endif
if ((ret = disconnect(sn)) != SOCK_OK)
return ret;
#ifdef _LOOPBACK_DEBUG_
printf("%d:Socket Closed\r\n", sn);
#endif
break;
case SOCK_INIT:
#ifdef _LOOPBACK_DEBUG_
printf("%d:Listen, TCP server loopback, port [%d]\r\n", sn, port);
#endif
if ((ret = listen(sn)) != SOCK_OK)
return ret;
break;
case SOCK_CLOSED:
#ifdef _LOOPBACK_DEBUG_
printf("%d:TCP server loopback start\r\n", sn);
#endif
if ((ret = socket(sn, Sn_MR_TCP, port, 0x00)) != sn)
return ret;
#ifdef _LOOPBACK_DEBUG_
printf("%d:Socket opened\r\n", sn);
#endif
break;
default:
break;
}
return 1;
}
/**
* @brief tcp client loopback test
* @param sn: socket number
* @param buf: Data sending and receiving cache
* @param destip: Destination IP address
* @param destport: Destination port
* @return value for SOCK_ERRORs,return 1:no error
*/
int32_t loopback_tcpc(uint8_t sn, uint8_t *buf, uint8_t *destip, uint16_t destport)
{
int32_t ret; // return value for SOCK_ERRORs
uint16_t size = 0, sentsize = 0;
// Destination (TCP Server) IP info (will be connected)
// >> loopback_tcpc() function parameter
// >> Ex)
uint8_t dip[4] = {192, 168, 0, 214};
uint16_t dport = 5000;
getSn_DIPR(sn, dip);
dport = getSn_DPORT(sn);
// Port number for TCP client (will be increased)
static uint16_t any_port = 50000;
// Socket Status Transitions
// Check the W5500 Socket n status register (Sn_SR, The 'Sn_SR' controlled by Sn_CR command or Packet send/recv status)
switch (getSn_SR(sn))
{
case SOCK_ESTABLISHED:
if (getSn_IR(sn) & Sn_IR_CON) // Socket n interrupt register mask; TCP CON interrupt = connection with peer is successful
{
// We need to send a packet of data to activate keepalive
ret = send(sn, (uint8_t *)"", 1); // Data send process
if (ret < 0) // Send Error occurred (sent data length < 0)
{
close(sn); // socket close
return ret;
}
#ifdef _LOOPBACK_DEBUG_
printf("%d:Connected to - %d.%d.%d.%d : %d\r\n", sn, destip[0], destip[1], destip[2], destip[3], destport);
#endif
setSn_IR(sn, Sn_IR_CON); // this interrupt should be write the bit cleared to '1'
}
//////////////////////////////////////////////////////////////////////////////////////////////
// Data Transaction Parts; Handle the [data receive and send] process
//////////////////////////////////////////////////////////////////////////////////////////////
if ((size = getSn_RX_RSR(sn)) > 0) // Sn_RX_RSR: Socket n Received Size Register, Receiving data length
{
if (size > DATA_BUF_SIZE)
size = DATA_BUF_SIZE; // DATA_BUF_SIZE means user defined buffer size (array)
ret = recv(sn, buf, size); // Data Receive process (H/W Rx socket buffer -> User's buffer)
buf[size] = 0x00;
printf("rece from %d.%d.%d.%d:%d data:%s\r\n", dip[0], dip[1], dip[2], dip[3], dport, buf);
if (ret <= 0)
return ret; // If the received data length <= 0, receive failed and process end
size = (uint16_t)ret;
sentsize = 0;
// Data sentsize control
while (size != sentsize)
{
ret = send(sn, buf + sentsize, size - sentsize); // Data send process (User's buffer -> Destination through H/W Tx socket buffer)
if (ret < 0) // Send Error occurred (sent data length < 0)
{
close(sn); // socket close
return ret;
}
sentsize += ret; // Don't care SOCKERR_BUSY, because it is zero.
}
}
//////////////////////////////////////////////////////////////////////////////////////////////
break;
case SOCK_CLOSE_WAIT:
#ifdef _LOOPBACK_DEBUG_
printf("%d:CloseWait\r\n", sn);
#endif
if ((ret = disconnect(sn)) != SOCK_OK)
return ret;
#ifdef _LOOPBACK_DEBUG_
printf("%d:Socket Closed\r\n", sn);
#endif
break;
case SOCK_INIT:
#ifdef _LOOPBACK_DEBUG_
printf("%d:Try to connect to the %d.%d.%d.%d : %d\r\n", sn, destip[0], destip[1], destip[2], destip[3], destport);
#endif
if ((ret = connect(sn, destip, destport)) != SOCK_OK)
return ret; // Try to TCP connect to the TCP server (destination)
break;
case SOCK_CLOSED:
close(sn);
if ((ret = socket(sn, Sn_MR_TCP, any_port++, 0x00)) != sn)
{
if (any_port == 0xffff)
any_port = 50000;
return ret; // TCP socket open with 'any_port' port number
}
#ifdef _LOOPBACK_DEBUG_
printf("%d:TCP client loopback start\r\n", sn);
printf("%d:Socket opened\r\n", sn);
#endif
break;
default:
break;
}
return 1;
}
/**
* @brief udp server mode loopback test
* @param sn: socket number
* @param buf: Data sending and receiving cache
* @param port: Local port
* @return value for SOCK_ERRORs,return 1:no error
*/
int32_t loopback_udps(uint8_t sn, uint8_t *buf, uint16_t port)
{
int32_t ret;
uint16_t size, sentsize;
uint8_t destip[4];
uint16_t destport;
switch (getSn_SR(sn))
{
case SOCK_UDP:
if ((size = getSn_RX_RSR(sn)) > 0)
{
if (size > DATA_BUF_SIZE)
size = DATA_BUF_SIZE;
ret = recvfrom(sn, buf, size, destip, (uint16_t *)&destport);
buf[ret] = 0x00;
printf("recv form[%d.%d.%d.%d][%d]: %s\r\n", destip[0], destip[1], destip[2], destip[3], destport, buf);
if (ret <= 0)
{
#ifdef _LOOPBACK_DEBUG_
printf("%d: recvfrom error. %ld\r\n", sn, ret);
#endif
return ret;
}
size = (uint16_t)ret;
/* ========================================================== *
/* ：只在数据前加一个 [NET] 标识，直接透传 */
uint8_t tx_buf[2048]; // 申请一个足够大的临时数组存放拼接后的数据
// 1. 先把网络标识 "[NET]" 写进数组头部，tag_len 会自动等于 5
int tag_len = sprintf((char*)tx_buf, "[NET]");
// 2. 把网络收到的真实数据 (buf) 紧挨着标识拼接到后面
memcpy(tx_buf + tag_len, buf, size);
// 3. 把拼接好的整串数据直接发给 RF433
MultiUART_Send(PORT_UART1, tx_buf, tag_len + size);
/* ========================================================== */
sentsize = 0;
while (sentsize != size)
{
ret = sendto(sn, buf + sentsize, size - sentsize, destip, destport);
if (ret < 0)
{
#ifdef _LOOPBACK_DEBUG_
printf("%d: sendto error. %ld\r\n", sn, ret);
#endif
return ret;
}
sentsize += ret; // Don't care SOCKERR_BUSY, because it is zero.
}
}
break;
case SOCK_CLOSED:
#ifdef _LOOPBACK_DEBUG_
// printf("%d:UDP loopback start\r\n",sn);
#endif
if ((ret = socket(sn, Sn_MR_UDP, port, 0x00)) != sn)
return ret;
#ifdef _LOOPBACK_DEBUG_
printf("%d:Opened, UDP loopback, port [%d]\r\n", sn, port);
#endif
break;
default:
break;
}
return 1;
}
/**
* @brief udp client loopback test
* @param sn: socket number
* @param buf: Data sending and receiving cache
* @param destip: Destination IP address
* @param destport: Destination port
* @return value for SOCK_ERRORs,return 1:no error
*/
int32_t loopback_udpc(uint8_t sn, uint8_t *buf, uint8_t *destip, uint16_t destport)
{
int32_t ret;
uint16_t size = 0, sentsize = 0;
static uint16_t any_port = 50000;
// uint8_t* strtest = "\r\nhello world";
switch (getSn_SR(sn))
{
case SOCK_UDP:
// sendto(sn, strtest, strlen(strtest), destip, destport);
if ((size = getSn_RX_RSR(sn)) > 0)
{
if (size > DATA_BUF_SIZE)
size = DATA_BUF_SIZE;
ret = recvfrom(sn, buf, size, destip, (uint16_t *)&destport);
buf[ret] = 0x00;
printf("recv form[%d.%d.%d.%d][%d]: %s\r\n", destip[0], destip[1], destip[2], destip[3], destport, buf);
if (ret <= 0)
{
#ifdef _LOOPBACK_DEBUG_
printf("%d: recvfrom error. %ld\r\n", sn, ret);
#endif
return ret;
}
size = (uint16_t)ret;
sentsize = 0;
while (sentsize != size)
{
ret = sendto(sn, buf + sentsize, size - sentsize, destip, destport);
if (ret < 0)
{
#ifdef _LOOPBACK_DEBUG_
printf("%d: sendto error. %ld\r\n", sn, ret);
#endif
return ret;
}
sentsize += ret; // Don't care SOCKERR_BUSY, because it is zero.
}
}
break;
case SOCK_CLOSED:
#ifdef _LOOPBACK_DEBUG_
// printf("%d:UDP loopback start\r\n",sn);
#endif
if ((ret = socket(sn, Sn_MR_UDP, any_port, 0x00)) != sn)
return ret;
#ifdef _LOOPBACK_DEBUG_
printf("%d:Opened, UDP loopback, port [%d]\r\n", sn, any_port);
#endif
break;
default:
break;
}
return 1;
}
#endif