添加httpServer示例
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murmur
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918c03cd45
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3b113125ee
43
Core/Inc/http_server.h
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43
Core/Inc/http_server.h
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@ -0,0 +1,43 @@
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#ifndef __HTTP_SERVER_H
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#define __HTTP_SERVER_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "socket.h"
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#include "w5500_init.h"
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#include <string.h>
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#include <stdio.h>
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#include <stdbool.h>
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#define HTTP_SERVER_PORT 80
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#define HTTP_SERVER_SOCKET 1
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#define MAX_URI_SIZE 128
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// HTTP请求方法
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typedef enum {
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HTTP_GET,
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HTTP_POST,
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HTTP_UNKNOWN
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} http_method;
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// HTTP请求结构
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typedef struct {
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http_method method;
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char uri[MAX_URI_SIZE];
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uint8_t* body;
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uint16_t body_length;
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} http_request;
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// 初始化HTTP服务器
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void http_server_init(void);
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// 处理HTTP服务器任务
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void http_server_task(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __HTTP_SERVER_H */
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246
Core/Src/http_server.c
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246
Core/Src/http_server.c
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#include "http_server.h"
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// HTML页面模板
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const char* html_page = "<!DOCTYPE html>"
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"<html><head>"
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"<title>W5500 Configuration</title>"
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"<style>"
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" body {"
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" font-family: Arial, sans-serif;"
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" max-width: 800px;"
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" margin: 20px auto;"
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" padding: 20px;"
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" background-color: #f5f5f5;"
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" }"
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" h2 {"
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" color: #333;"
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" text-align: center;"
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" padding-bottom: 10px;"
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" border-bottom: 2px solid #ddd;"
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" }"
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" form {"
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" background: white;"
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" padding: 20px;"
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" border-radius: 8px;"
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" box-shadow: 0 2px 4px rgba(0,0,0,0.1);"
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" }"
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" .form-group {"
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" margin-bottom: 15px;"
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" }"
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" label {"
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" display: inline-block;"
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" width: 80px;"
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" font-weight: bold;"
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" color: #555;"
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" }"
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" input[type='text'] {"
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" width: 200px;"
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" padding: 8px;"
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" border: 1px solid #ddd;"
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" border-radius: 4px;"
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" font-family: monospace;"
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" }"
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" input[type='submit'] {"
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" background-color: #4CAF50;"
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" color: white;"
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" padding: 10px 20px;"
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" border: none;"
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" border-radius: 4px;"
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" cursor: pointer;"
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" font-size: 16px;"
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" margin-top: 10px;"
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" }"
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" input[type='submit']:hover {"
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" background-color: #45a049;"
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" }"
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" .status {"
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" margin-top: 20px;"
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" padding: 10px;"
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" border-radius: 4px;"
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" text-align: center;"
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" }"
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" .connected {"
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" background-color: #dff0d8;"
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" color: #3c763d;"
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" border: 1px solid #d6e9c6;"
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" }"
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" .disconnected {"
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" background-color: #f2dede;"
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" color: #a94442;"
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" border: 1px solid #ebccd1;"
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" }"
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"</style>"
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"</head><body>"
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"<h2>W5500 Network Configuration</h2>"
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"<form method='post' action='/config'>"
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" <div class='form-group'>"
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" <label>MAC:</label>"
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" <input type='text' name='mac' value='%02X:%02X:%02X:%02X:%02X:%02X'>"
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" </div>"
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" <div class='form-group'>"
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" <label>IP:</label>"
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" <input type='text' name='ip' value='%d.%d.%d.%d'>"
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" </div>"
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" <div class='form-group'>"
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" <label>Subnet:</label>"
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" <input type='text' name='subnet' value='%d.%d.%d.%d'>"
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" </div>"
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" <div class='form-group'>"
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" <label>Gateway:</label>"
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" <input type='text' name='gateway' value='%d.%d.%d.%d'>"
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" </div>"
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" <input type='submit' value='Save Configuration'>"
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"</form>"
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"<div class='status %s'>"
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" Network Status: %s"
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"</div>"
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"</body></html>";
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// 解析HTTP请求
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static void parse_http_request(uint8_t* buffer, uint16_t length, http_request* req)
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{
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char* method = strtok((char*)buffer, " ");
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char* uri = strtok(NULL, " ");
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if(strcmp(method, "GET") == 0) {
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req->method = HTTP_GET;
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} else if(strcmp(method, "POST") == 0) {
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req->method = HTTP_POST;
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} else {
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req->method = HTTP_UNKNOWN;
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}
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strncpy(req->uri, uri, MAX_URI_SIZE);
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// 如果是POST请求，查找请求体
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if(req->method == HTTP_POST) {
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char* body = strstr((char*)buffer, "\r\n\r\n");
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if(body) {
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body += 4;
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req->body = (uint8_t*)body;
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req->body_length = length - (body - (char*)buffer);
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}
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}
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}
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// 发送HTTP响应
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static void send_response(uint8_t sn, const char* content, uint16_t length)
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{
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char header[128];
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sprintf(header,
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"HTTP/1.1 200 OK\r\n"
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"Content-Type: text/html\r\n"
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"Content-Length: %d\r\n"
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"\r\n", length);
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send(sn, (uint8_t*)header, strlen(header));
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send(sn, (uint8_t*)content, length);
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}
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// 处理配置页面请求
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static void handle_config_page(uint8_t sn)
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{
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char page[4096]; // 增加缓冲区大小以适应新的HTML内容
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bool is_connected = (wizphy_getphylink() == PHY_LINK_ON);
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char* link_status = is_connected ? "Connected" : "Disconnected";
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char* status_class = is_connected ? "connected" : "disconnected";
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sprintf(page, html_page,
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gWIZNETINFO.mac[0], gWIZNETINFO.mac[1], gWIZNETINFO.mac[2],
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gWIZNETINFO.mac[3], gWIZNETINFO.mac[4], gWIZNETINFO.mac[5],
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gWIZNETINFO.ip[0], gWIZNETINFO.ip[1], gWIZNETINFO.ip[2], gWIZNETINFO.ip[3],
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gWIZNETINFO.sn[0], gWIZNETINFO.sn[1], gWIZNETINFO.sn[2], gWIZNETINFO.sn[3],
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gWIZNETINFO.gw[0], gWIZNETINFO.gw[1], gWIZNETINFO.gw[2], gWIZNETINFO.gw[3],
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status_class, link_status);
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send_response(sn, page, strlen(page));
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}
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// 解析并更新网络配置
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static void update_network_config(const char* body)
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{
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char mac[18], ip[16], subnet[16], gateway[16];
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uint32_t mac_values[6], ip_values[4], subnet_values[4], gateway_values[4];
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if(sscanf(body, "mac=%02X%%3A%02X%%3A%02X%%3A%02X%%3A%02X%%3A%02X&"
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"ip=%d.%d.%d.%d&"
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"subnet=%d.%d.%d.%d&"
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"gateway=%d.%d.%d.%d",
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&mac_values[0], &mac_values[1], &mac_values[2],
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&mac_values[3], &mac_values[4], &mac_values[5],
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&ip_values[0], &ip_values[1], &ip_values[2], &ip_values[3],
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&subnet_values[0], &subnet_values[1], &subnet_values[2], &subnet_values[3],
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&gateway_values[0], &gateway_values[1], &gateway_values[2], &gateway_values[3]) == 18)
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{
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// 更新MAC地址
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for(int i = 0; i < 6; i++) {
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gWIZNETINFO.mac[i] = (uint8_t)mac_values[i];
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}
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// 更新IP地址
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for(int i = 0; i < 4; i++) {
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gWIZNETINFO.ip[i] = (uint8_t)ip_values[i];
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gWIZNETINFO.sn[i] = (uint8_t)subnet_values[i];
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gWIZNETINFO.gw[i] = (uint8_t)gateway_values[i];
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}
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// 应用新的网络配置
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wizchip_setnetinfo(&gWIZNETINFO);
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}
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}
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void http_server_init(void)
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{
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// 创建服务器socket
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socket(HTTP_SERVER_SOCKET, Sn_MR_TCP, HTTP_SERVER_PORT, 0);
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listen(HTTP_SERVER_SOCKET);
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}
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void http_server_task(void)
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{
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uint8_t buffer[2048];
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uint16_t size;
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uint8_t status = getSn_SR(HTTP_SERVER_SOCKET);
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switch(status)
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{
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case SOCK_LISTEN:
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// 等待连接
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break;
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case SOCK_ESTABLISHED:
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{
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// 接收数据
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if((size = getSn_RX_RSR(HTTP_SERVER_SOCKET)) > 0)
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{
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size = recv(HTTP_SERVER_SOCKET, buffer, sizeof(buffer));
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if(size > 0)
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{
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http_request req;
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parse_http_request(buffer, size, &req);
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if(req.method == HTTP_GET) {
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handle_config_page(HTTP_SERVER_SOCKET);
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}
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else if(req.method == HTTP_POST && strcmp(req.uri, "/config") == 0) {
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update_network_config((char*)req.body);
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// 重定向回配置页面
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send_response(HTTP_SERVER_SOCKET,
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"<html><head><meta http-equiv='refresh' content='0;url=/'></head></html>",
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strlen("<html><head><meta http-equiv='refresh' content='0;url=/'></head></html>"));
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}
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}
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}
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break;
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}
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case SOCK_CLOSE_WAIT:
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disconnect(HTTP_SERVER_SOCKET);
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break;
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case SOCK_CLOSED:
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socket(HTTP_SERVER_SOCKET, Sn_MR_TCP, HTTP_SERVER_PORT, 0);
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listen(HTTP_SERVER_SOCKET);
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break;
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}
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}
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@ -26,7 +26,8 @@
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/* Private includes ----------------------------------------------------------*/
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/* USER CODE BEGIN Includes */
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#include "w5500_init.h"
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#include "http_test.h"
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#include "http_client.h"
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#include "http_server.h"
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/* USER CODE END Includes */
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/* Private typedef -----------------------------------------------------------*/
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@ -103,7 +104,10 @@ int main(void)
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}
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}
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// 执行HTTP测试
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// 初始化HTTP服务器
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http_server_init();
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// 执行一次HTTP客户端测试
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http_test_request();
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/* USER CODE END 2 */
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@ -114,6 +118,7 @@ int main(void)
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/* USER CODE END WHILE */
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/* USER CODE BEGIN 3 */
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http_server_task();
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HAL_GPIO_TogglePin(LED_GPIO_Port, LED_Pin);
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HAL_Delay(500);
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}
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