【主线待合】大静态变量挪到全局，防止占用过多函数内栈空间

bspMCU/My_Lwip.c

@@ -65,6 +65,7 @@
 #define ECHO        1
 #define SGA         3
 static int connect_fd = -1; //socket套接字
+static char g_talnet_temp[RECV_SIZE];
 
 #if 0
 static rd_ringbuf_t *g_rb_handle = NULL;
@@ -135,10 +136,9 @@ void ShowLWIPstate(void)
     
 void luaprint_talnet(const char *fmt, ...)
 {
-	static char temp[RECV_SIZE];
     va_list args;
     va_start(args, fmt);
-    int len = vsprintf(temp, fmt, args);
+    int len = vsprintf(g_talnet_temp, fmt, args);
     va_end(args);
     if (len > 0 && connect_fd >= 0)
     {
@@ -146,16 +146,16 @@ void luaprint_talnet(const char *fmt, ...)
         int start = 0;
         for (int i = 0; i < len; i++)
         {
-            if (temp[i] == '\n')
+            if (g_talnet_temp[i] == '\n')
             {
                 if (i > start)
-                    write(connect_fd, &temp[start], i - start);
+                    write(connect_fd, &g_talnet_temp[start], i - start);
                 write(connect_fd, "\r\n", 2);
                 start = i + 1;
             }
         }
         if (start < len)
-            write(connect_fd, &temp[start], len - start);
+            write(connect_fd, &g_talnet_temp[start], len - start);
     }
 }