调用esp_http_client_init 函数后,返回 esp_http_client_handle_t 句柄,后面调用其他 HTTP 函数时用得到。这样就完工了,然后就是通信了。此处由于要使用流操作,不使用 esp_http_client_perform 函数,而是分步完成。esp_http_client_fetch_headers 函数读取服务器响应的 HTTP 头,并且该函数返回的值就是 Content-Le...
2.1 esp_http_client_init 2.2 esp_http_client_perform 2.3 esp_http_client_set_url 2.4 esp_http_client_set_method 2.5 esp_http_client_set_header 2.6 esp_http_client_set_post_field 2.7 esp_http_client_get_content_length 2.8 esp_http_client_get_status_code 2.9 esp_http_client_cleanup 三、...
esp_http_client_set_url(client,"http://httpbin.org/post"); esp_http_client_set_method(client, HTTP_METHOD_POST); esp_http_client_set_post_field(client, post_data, strlen(post_data)); err=esp_http_client_perform(client);if(err ==ESP_OK) { ESP_LOGI(TAG,"HTTP POST Status = %d, ...
esp_err_t esp_http_client_set_post_field(esp_http_client_handle_t client, const char *data, int len) 1. 2. 3. 4. 5. 发起HTTP/HTTPS请求 此接口默认以阻塞方式发起请求 //client为esp_http_client_init函数返回的结构体对象 //失败返回ESP_FAIL esp_err_t esp_http_client_perform(esp_http_...
I have currently problem with http_client_perform function, when i try to call http_client_perform function i have "Guru Meditation Error: Core 0 panic'ed (Instruction access fault). Exception was unhandled." error. there is solution to that. I tried disable NEWLIB_NANO_FORMAT but in VS ...
esp_http_client_handle_t time_client = esp_http_client_init(&config);//初始化http for(i=0;i<3;i++) { ret = esp_http_client_perform(time_client);//请求获取数据 if (ret == ESP_OK) { BLUFI_INFO("HTTP GET Status = %d, content_length = %lld", ...
使用esp_http_client_config_t创建http客户端；esp_http_client_init 初始化http客户端；esp_http_client_set_method 设置http请求方式；设置http请求头esp_http_client_set_header；设置 http 请求体 esp_http_client_set_post_field；执行http请求 esp_http_client_perform；处理http响应；释放http客户端esp_http_...
esp32 http(s)请求示例 乐鑫文档地址:https://docs.espressif.com/projects/esp-idf/zh_CN/v4.4.2/esp32/api-reference/protocols/esp_http_client.html 看懂此示例,需先了解http协议相关内容,可自行浏览! 此示例编译,需要加https根证书,以二进制文件嵌入可执行文件中 ...
新手一枚,请教一下大佬们esp_http_client_perform()这个函数是只能调用一次吗?我创建了一个任务假设每隔10s发起一次请求,配网成功的第一次可以获取到正常的数据,后面就不行了。ICY Espressif staff Posts: 404 Joined: Mon Aug 23, 2021 11:10 am Re: http请求...
{0};//httpesp_http_client_config_t config={.url="http://mnifdv.cn/PHP/audio_camera.php",.method=HTTP_METHOD_POST,.event_handler=_http_event_handler,.timeout_ms=6000,};while(true){//获取时间time_stamp=time(&time1);//返回的是时间戳// gmtime_r(&time1, &timeinfo);//获取的是...