From 07aaa98dc45652f243950a580c7b60e9b6b68b07 Mon Sep 17 00:00:00 2001
From: murmur <test@test.test>
Date: Sun, 15 Dec 2024 16:35:35 +0800
Subject: [PATCH] =?UTF-8?q?=E9=87=8D=E5=AE=9A=E5=90=91printf=E5=88=B0udp?=
 =?UTF-8?q?=E8=BE=93=E5=87=BA=EF=BC=8C=E7=AB=AF=E5=8F=A38888?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 Core/Src/http_server.c |  1 +
 Core/Src/main.c        |  1 +
 Core/Src/w5500_init.c  | 53 ++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 55 insertions(+)

diff --git a/Core/Src/http_server.c b/Core/Src/http_server.c
index edfff04..96f8106 100644
--- a/Core/Src/http_server.c
+++ b/Core/Src/http_server.c
@@ -251,6 +251,7 @@ static void handle_status_request(uint8_t sn)
     
     // 发送完成后主动关闭连接
     disconnect(sn);
+    printf("send status success!\r\n");
 }
 
 void http_server_task(void)
diff --git a/Core/Src/main.c b/Core/Src/main.c
index 35393ea..53aa946 100644
--- a/Core/Src/main.c
+++ b/Core/Src/main.c
@@ -110,6 +110,7 @@ int main(void)
   // 执行一次HTTP客户端测试
   // http_test_request();
   HAL_GPIO_WritePin(LED_GPIO_Port, LED_Pin, GPIO_PIN_RESET);
+  printf("Init success!\r\n");
   /* USER CODE END 2 */
 
   /* Infinite loop */
diff --git a/Core/Src/w5500_init.c b/Core/Src/w5500_init.c
index 7376f97..cc0bd3d 100644
--- a/Core/Src/w5500_init.c
+++ b/Core/Src/w5500_init.c
@@ -1,4 +1,6 @@
 #include "w5500_init.h"
+#include <stdio.h>
+#include "socket.h"
 
 // W5500 Network Configuration
 wiz_NetInfo gWIZNETINFO = {
@@ -37,6 +39,52 @@ static void W5500_WriteByte(uint8_t byte) {
     W5500_WriteBuff(&byte, 1);
 }
 
+// UDP日志相关定义
+#define UDP_LOG_PORT    8888        // UDP日志端口
+#define UDP_LOG_SOCKET  7           // 使用Socket 7作为日志socket
+
+// 初始化UDP日志功能
+int8_t UDP_Log_Init(void);
+// 发送UDP日志数据
+void UDP_Log_Send(const uint8_t* data, uint16_t len);
+
+static uint8_t udp_log_buffer[1024];  // UDP发送缓冲区
+
+int8_t UDP_Log_Init(void)
+{
+    // 关闭可能已经打开的socket
+    close(UDP_LOG_SOCKET);
+    
+    // 以UDP模式打开socket
+    if(socket(UDP_LOG_SOCKET, Sn_MR_UDP, UDP_LOG_PORT, 0) != UDP_LOG_SOCKET)
+    {
+        return -1;
+    }
+    
+    return 0;
+}
+
+void UDP_Log_Send(const uint8_t* data, uint16_t len)
+{
+    uint8_t broadcast_ip[] = {255, 255, 255, 255};  // 广播地址
+    sendto(UDP_LOG_SOCKET, data, len, broadcast_ip, UDP_LOG_PORT);
+}
+
+// printf重定向相关实现
+#ifdef __GNUC__
+int _write(int file, char *ptr, int len)
+{
+    UDP_Log_Send((uint8_t*)ptr, len);
+    return len;
+}
+#elif defined(__ICCARM__)
+size_t __write(int handle, const unsigned char *buffer, size_t size)
+{
+    UDP_Log_Send(buffer, size);
+    return size;
+}
+#endif
+
 int8_t W5500_Init(void)
 {
     // 1. 注册通信函数
@@ -70,5 +118,10 @@ int8_t W5500_Init(void)
         }
     }
     
+    // 初始化UDP日志功能
+    if(UDP_Log_Init() < 0) {
+        return -1;
+    }
+    
     return 0;
 } 
\ No newline at end of file