mirror of
https://github.com/espressif/esp-idf.git
synced 2024-10-05 20:47:46 -04:00
105 lines
3.4 KiB
C
105 lines
3.4 KiB
C
/* ESP HTTP Client Example
|
|
|
|
This example code is in the Public Domain (or CC0 licensed, at your option.)
|
|
|
|
Unless required by applicable law or agreed to in writing, this
|
|
software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
|
|
CONDITIONS OF ANY KIND, either express or implied.
|
|
*/
|
|
|
|
|
|
#include <stdio.h>
|
|
#include "esp_wifi.h"
|
|
#include "esp_system.h"
|
|
#include "nvs_flash.h"
|
|
#include "esp_event_loop.h"
|
|
#include "protocol_examples_common.h"
|
|
|
|
#include "freertos/FreeRTOS.h"
|
|
#include "freertos/task.h"
|
|
#include "freertos/event_groups.h"
|
|
|
|
|
|
#include "esp_log.h"
|
|
#include "esp_websocket_client.h"
|
|
#include "esp_event.h"
|
|
#include "esp_event_loop.h"
|
|
|
|
static const char *TAG = "WEBSOCKET";
|
|
static const char *WEBSOCKET_ECHO_ENDPOINT = CONFIG_WEBSOCKET_URI;
|
|
|
|
|
|
static void websocket_event_handler(void *handler_args, esp_event_base_t base, int32_t event_id, void *event_data)
|
|
{
|
|
// esp_websocket_client_handle_t client = (esp_websocket_client_handle_t)handler_args;
|
|
esp_websocket_event_data_t *data = (esp_websocket_event_data_t *)event_data;
|
|
switch (event_id) {
|
|
case WEBSOCKET_EVENT_CONNECTED:
|
|
ESP_LOGI(TAG, "WEBSOCKET_EVENT_CONNECTED");
|
|
|
|
|
|
break;
|
|
case WEBSOCKET_EVENT_DISCONNECTED:
|
|
ESP_LOGI(TAG, "WEBSOCKET_EVENT_DISCONNECTED");
|
|
break;
|
|
|
|
case WEBSOCKET_EVENT_DATA:
|
|
ESP_LOGI(TAG, "WEBSOCKET_EVENT_DATA");
|
|
ESP_LOGI(TAG, "Received opcode=%d", data->op_code);
|
|
ESP_LOGW(TAG, "Received=%.*s\r\n", data->data_len, (char*)data->data_ptr);
|
|
break;
|
|
case WEBSOCKET_EVENT_ERROR:
|
|
ESP_LOGI(TAG, "WEBSOCKET_EVENT_ERROR");
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void websocket_app_start(void)
|
|
{
|
|
ESP_LOGI(TAG, "Connectiong to %s...", WEBSOCKET_ECHO_ENDPOINT);
|
|
|
|
const esp_websocket_client_config_t websocket_cfg = {
|
|
.uri = WEBSOCKET_ECHO_ENDPOINT, // or wss://echo.websocket.org for websocket secure
|
|
};
|
|
|
|
esp_websocket_client_handle_t client = esp_websocket_client_init(&websocket_cfg);
|
|
esp_websocket_register_events(client, WEBSOCKET_EVENT_ANY, websocket_event_handler, (void *)client);
|
|
|
|
esp_websocket_client_start(client);
|
|
char data[32];
|
|
int i = 0;
|
|
while (i < 10) {
|
|
if (esp_websocket_client_is_connected(client)) {
|
|
int len = sprintf(data, "hello %04d", i++);
|
|
ESP_LOGI(TAG, "Sending %s", data);
|
|
esp_websocket_client_send(client, data, len, portMAX_DELAY);
|
|
}
|
|
vTaskDelay(1000 / portTICK_RATE_MS);
|
|
}
|
|
esp_websocket_client_stop(client);
|
|
ESP_LOGI(TAG, "Websocket Stopped");
|
|
esp_websocket_client_destroy(client);
|
|
}
|
|
|
|
void app_main()
|
|
{
|
|
ESP_LOGI(TAG, "[APP] Startup..");
|
|
ESP_LOGI(TAG, "[APP] Free memory: %d bytes", esp_get_free_heap_size());
|
|
ESP_LOGI(TAG, "[APP] IDF version: %s", esp_get_idf_version());
|
|
esp_log_level_set("*", ESP_LOG_INFO);
|
|
esp_log_level_set("WEBSOCKET_CLIENT", ESP_LOG_DEBUG);
|
|
esp_log_level_set("TRANS_TCP", ESP_LOG_DEBUG);
|
|
|
|
ESP_ERROR_CHECK(nvs_flash_init());
|
|
tcpip_adapter_init();
|
|
ESP_ERROR_CHECK(esp_event_loop_create_default());
|
|
|
|
/* This helper function configures Wi-Fi or Ethernet, as selected in menuconfig.
|
|
* Read "Establishing Wi-Fi or Ethernet Connection" section in
|
|
* examples/protocols/README.md for more information about this function.
|
|
*/
|
|
ESP_ERROR_CHECK(example_connect());
|
|
|
|
websocket_app_start();
|
|
}
|