LwIP移植过程中的警告怎么去除？webserver 警告

1375917982gxut

..\app\httpd.c(14): warning:  #192-D: unrecognized character escape sequence
..\app\httpd.c:   const static uint8_t login[]= LOGIN;                  //要显示的网页
..\app\httpd.c:                                 ^
..\app\httpd.c(14): warning:  #192-D: unrecognized character escape sequence
..\app\httpd.c:   const static uint8_t login[]= LOGIN;                  //要显示的网页
..\app\httpd.c:                                 ^
..\app\httpd.c(14): warning:  #192-D: unrecognized character escape sequence
..\app\httpd.c:   const static uint8_t login[]= LOGIN;                  //要显示的网页
..\app\httpd.c:                                 ^
..\app\httpd.c(14): warning:  #192-D: unrecognized character escape sequence
..\app\httpd.c:   const static uint8_t login[]= LOGIN;                  //要显示的网页
..\app\httpd.c:                                 ^
..\app\httpd.c(15): warning:  #192-D: unrecognized character escape sequence
..\app\httpd.c:   const static uint8_t led_ctrl_on[] =LED_CTRL_ON;
..\app\httpd.c:                                       ^
..\app\httpd.c(15): warning:  #192-D: unrecognized character escape sequence
..\app\httpd.c:   const static uint8_t led_ctrl_on[] =LED_CTRL_ON;
..\app\httpd.c:                                       ^
..\app\httpd.c(15): warning:  #192-D: unrecognized character escape sequence
..\app\httpd.c:   const static uint8_t led_ctrl_on[] =LED_CTRL_ON;
..\app\httpd.c:                                       ^
..\app\httpd.c(16): warning:  #192-D: unrecognized character escape sequence
..\app\httpd.c:   const static uint8_t led_ctrl_off[] =LED_CTRL_OFF;
..\app\httpd.c:                                        ^
..\app\httpd.c(16): warning:  #192-D: unrecognized character escape sequence
..\app\httpd.c:   const static uint8_t led_ctrl_off[] =LED_CTRL_OFF;
..\app\httpd.c:                                        ^
..\app\httpd.c(16): warning:  #192-D: unrecognized character escape sequence
..\app\httpd.c:   const static uint8_t led_ctrl_off[] =LED_CTRL_OFF;

..\LWIP\lwip-1.3.2\src\core\mem.c(184): warning:  #550-D: variable "mem_sem" was set but never used
..\LWIP\lwip-1.3.2\src\core\mem.c:   static sys_sem_t mem_sem;
..\LWIP\lwip-1.3.2\src\core\mem.c:                    ^
..\LWIP\lwip-1.3.2\src\core\mem.c: ..\LWIP\lwip-1.3.2\src\core\mem.c: 1 warning, 0 errors

正点原子

你直接用指针吧

1375917982gxut

回复【2楼】正点原子:
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移植LwIP到stm32做webServer实验，当html 文件过大时，tcp_write（）可以成功把网页数据发送出去，但是在浏览器端看不到网页的变化。
例如：我首先从stm32发送登陆页面（只有一个textBox和botton，几行html），期望密码验证成功后 跳转到home.html，如果home.html比较大，网页不会跳转；home.html比较小时，成功跳转显示home页面。
为什么会这样啊？我纠结了好久，试过改 大 TCP_SND_BUF，还是不行，而且出现了警告

正点原子

回复【3楼】1375917982gxut:
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我也不太熟了。