【网络编程学习】+小燕+百度语音合成服务

发布于 2018-08-19 00:53:50 浏览：1856 订阅该版

在板子上能够发送一段文字给百度语音合成服务，获取语音合成链接，然后下载下来：
```int main(void)
{
 rt_uint32_t flags;
	
 /* user app entry */
 if (dfs_mount("flash0", "/", "elm", 0, 0) == 0)
 {
 rt_kprintf("file system initialization done! ");
 } else {
 if (dfs_mkfs("elm", "flash0") == 0) {
 rt_kprintf("mkfs done! ");
 } else {
 rt_kprintf("file system initialization failed! ");
 }
 }

while (1) {
        if (RT_EOK == rt_event_recv(&g_sysEvent, SYS_FLAG_MASK,
						  RT_EVENT_FLAG_OR | RT_EVENT_FLAG_CLEAR,
						  RT_WAITING_NO, &flags)) {
            if (flags) {
                flags = 0;
                // oneNet
                onenet_mqtt_init();
                // 注册回调函数
                onenet_set_cmd_rsp_cb(onenet_cmd_rsp_cb);
            }
        }

rt_thread_delay(10);
 }
	
 return 0;
}
``````// 下载语音文件 输入参数:语音内容
static void get_tts(int argc, char *argv[])
{
 // token info
 char token[] = "24.fd8989ede6d6bc41c1ebc74c538317d2.2592000.1537194774.282335-11695688";
 char *result = RT_NULL;
	char *url = RT_NULL;
	
 if (argc < 2)
 {
 rt_kprintf("pls input tts content ");
 return;
 }

if (strlen(argv[1]) >= CONTENT_MAX) {
 rt_kprintf("content too long. ");
		return;
	}
	
	// 合成接口
	result = rt_malloc(URL_CONTENT_MAX + 1);
	if (RT_NULL == result) {
 rt_kprintf("malloc failed. ");
		return;
	}
	memset(result, 0, URL_CONTENT_MAX + 1);
	if (!URLEncode(argv[1], strlen(argv[1]), result, URL_CONTENT_MAX)) {
		rt_kprintf("url encode failed. ");
 return;
	}
	url = rt_malloc(URL_LEN_MAX + 1);
	if (RT_NULL == url) {
 rt_kprintf("malloc failed. ");
		return;
	}
	rt_sprintf(url, 
		"http://tsn.baidu.com/text2audio?lan=zh&ctp=1&cuid=abcdxxx&tok=%s&tex=%s&vol=9&per=0&spd=5&pit=5&aue=3", 
		token, result);

rt_kprintf(" url: %s ", url);
	
	// 下载语音文件
	webclient_get_file(url, TTS_FIL_NAME);
}
MSH_CMD_EXPORT(get_tts, Get baidu tts voice);```

下载附件 [百度语音合成服务.docx](https://oss-club.rt-thread.org/uploads/201808/19/005226k63onzazaro1rz1p.attach)