截取接收到的ip地址，转换成功。

usersrc/atcmd.c

@@ -64,11 +64,11 @@ AT_STATUS at_cmd_test(unsigned char *p, unsigned char len)
 AT_STATUS at_cmd_ip(unsigned char *p, unsigned char len)
 {
     ip4_addr_t int_addr;
-    // char *ip_address;
-    // ip_address = (char *)malloc(len);
-    // memcpy(ip_address, p, len);
-    // printf("ip_address:%s\r\n", ip_address);
-    inet_aton("192.168.8.10", &int_addr);
+    char *ip_address;
+    ip_address = (char *)malloc(len);
+    memcpy(ip_address, p, len);
+    printf("ip_address:%s\r\n", ip_address);
+    inet_aton(ip_address, &int_addr);
     printf("int_addr:%d\r\n", int_addr.addr);
     if (*p == '?')
     {
@@ -80,7 +80,7 @@ AT_STATUS at_cmd_ip(unsigned char *p, unsigned char len)
         // printf("ip address:%s\r\n", p);
         printf("AT+OK\r\n");
     }
-    // free(ip_address);
+    free(ip_address);
     return AT_SUCCESS;
 }