diff --git a/examples/protocols/http2_request/CMakeLists.txt b/examples/protocols/http2_request/CMakeLists.txt
index edda2c42f6..0a720bf544 100644
--- a/examples/protocols/http2_request/CMakeLists.txt
+++ b/examples/protocols/http2_request/CMakeLists.txt
@@ -2,5 +2,9 @@
 # in this exact order for cmake to work correctly
 cmake_minimum_required(VERSION 3.5)
 
+# (Not part of the boilerplate)
+# This example uses an extra component for common functions such as Wi-Fi and Ethernet connection.
+set(EXTRA_COMPONENT_DIRS $ENV{IDF_PATH}/examples/common_components/protocol_examples_common)
+
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 project(http2-request)
diff --git a/examples/protocols/http2_request/Makefile b/examples/protocols/http2_request/Makefile
index 52a6fe6e08..f7831273cf 100644
--- a/examples/protocols/http2_request/Makefile
+++ b/examples/protocols/http2_request/Makefile
@@ -5,5 +5,7 @@
 
 PROJECT_NAME := http2-request
 
+EXTRA_COMPONENT_DIRS = $(IDF_PATH)/examples/common_components/protocol_examples_common
+
 include $(IDF_PATH)/make/project.mk
 
diff --git a/examples/protocols/http2_request/main/Kconfig.projbuild b/examples/protocols/http2_request/main/Kconfig.projbuild
deleted file mode 100644
index 803ab080a8..0000000000
--- a/examples/protocols/http2_request/main/Kconfig.projbuild
+++ /dev/null
@@ -1,17 +0,0 @@
-menu "Example Configuration"
-
-    config WIFI_SSID
-        string "WiFi SSID"
-        default "myssid"
-        help
-            SSID (network name) for the example to connect to.
-
-    config WIFI_PASSWORD
-        string "WiFi Password"
-        default "mypassword"
-        help
-            WiFi password (WPA or WPA2) for the example to use.
-
-            Can be left blank if the network has no security set.
-
-endmenu
diff --git a/examples/protocols/http2_request/main/http2_request_example_main.c b/examples/protocols/http2_request/main/http2_request_example_main.c
index 8083fcf720..180b8b9348 100644
--- a/examples/protocols/http2_request/main/http2_request_example_main.c
+++ b/examples/protocols/http2_request/main/http2_request_example_main.c
@@ -15,34 +15,16 @@
 #include <sys/time.h>
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"
-#include "freertos/event_groups.h"
 #include "esp_wifi.h"
-#include "esp_event_loop.h"
+#include "esp_event.h"
 #include "lwip/apps/sntp.h"
-#include "esp_log.h"
 #include "esp_system.h"
 #include "nvs_flash.h"
+#include "protocol_examples_common.h"
+#include "tcpip_adapter.h"
 
 #include "sh2lib.h"
 
-/* The examples use simple WiFi configuration that you can set via
-   'make menuconfig'.
-
-   If you'd rather not, just change the below entries to strings with
-   the config you want - ie #define EXAMPLE_WIFI_SSID "mywifissid"
-*/
-#define EXAMPLE_WIFI_SSID CONFIG_WIFI_SSID
-#define EXAMPLE_WIFI_PASS CONFIG_WIFI_PASSWORD
-
-/* FreeRTOS event group to signal when we are connected & ready to make a request */
-static EventGroupHandle_t wifi_event_group;
-
-/* The event group allows multiple bits for each event,
-   but we only care about one event - are we connected
-   to the AP with an IP? */
-const int CONNECTED_BIT = BIT0;
-
-static const char *TAG = "http2-req";
 
 /* The HTTP/2 server to connect to */
 #define HTTP2_SERVER_URI  "https://http2.golang.org"
@@ -51,6 +33,7 @@ static const char *TAG = "http2-req";
 /* A PUT request that echoes whatever we had sent to it */
 #define HTTP2_PUT_PATH            "/ECHO"
 
+
 int handle_get_response(struct sh2lib_handle *handle, const char *data, size_t len, int flags)
 {
     if (len) {
@@ -111,10 +94,6 @@ static void set_time(void)
 
 static void http2_task(void *args)
 {
-    /* Waiting for connection */
-    xEventGroupWaitBits(wifi_event_group, CONNECTED_BIT,
-                        false, true, portMAX_DELAY);
-
     /* Set current time: proper system time is required for TLS based
      * certificate verification.
      */
@@ -125,6 +104,7 @@ static void http2_task(void *args)
     struct sh2lib_handle hd;
     if (sh2lib_connect(&hd, HTTP2_SERVER_URI) != 0) {
         printf("Failed to connect\n");
+        vTaskDelete(NULL);
         return;
     }
     printf("Connection done\n");
@@ -148,53 +128,17 @@ static void http2_task(void *args)
     vTaskDelete(NULL);
 }
 
-static esp_err_t event_handler(void *ctx, system_event_t *event)
-{
-    switch (event->event_id) {
-    case SYSTEM_EVENT_STA_START:
-        ESP_LOGI(TAG, "SYSTEM_EVENT_STA_START");
-        ESP_ERROR_CHECK(esp_wifi_connect());
-        break;
-    case SYSTEM_EVENT_STA_GOT_IP:
-        ESP_LOGI(TAG, "SYSTEM_EVENT_STA_GOT_IP");
-        ESP_LOGI(TAG, "got ip:%s\n", ip4addr_ntoa(&event->event_info.got_ip.ip_info.ip));
-        xEventGroupSetBits(wifi_event_group, CONNECTED_BIT);
-        break;
-    case SYSTEM_EVENT_STA_DISCONNECTED:
-        ESP_LOGI(TAG, "SYSTEM_EVENT_STA_DISCONNECTED");
-        ESP_ERROR_CHECK(esp_wifi_connect());
-        xEventGroupClearBits(wifi_event_group, CONNECTED_BIT);
-        break;
-    default:
-        break;
-    }
-    return ESP_OK;
-}
-
-static void initialise_wifi(void)
-{
-    tcpip_adapter_init();
-    wifi_event_group = xEventGroupCreate();
-    ESP_ERROR_CHECK( esp_event_loop_init(event_handler, NULL) );
-    wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
-    ESP_ERROR_CHECK( esp_wifi_init(&cfg) );
-    ESP_ERROR_CHECK( esp_wifi_set_storage(WIFI_STORAGE_RAM) );
-    wifi_config_t wifi_config = {
-        .sta = {
-            .ssid = EXAMPLE_WIFI_SSID,
-            .password = EXAMPLE_WIFI_PASS,
-        },
-    };
-    ESP_LOGI(TAG, "Setting WiFi configuration SSID %s...", wifi_config.sta.ssid);
-    ESP_ERROR_CHECK( esp_wifi_set_mode(WIFI_MODE_STA) );
-    ESP_ERROR_CHECK( esp_wifi_set_config(ESP_IF_WIFI_STA, &wifi_config) );
-    ESP_ERROR_CHECK( esp_wifi_start() );
-}
-
 void app_main()
 {
     ESP_ERROR_CHECK( nvs_flash_init() );
-    initialise_wifi();
+    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());
 
     xTaskCreate(&http2_task, "http2_task", (1024 * 32), NULL, 5, NULL);
 }
diff --git a/examples/protocols/http_request/CMakeLists.txt b/examples/protocols/http_request/CMakeLists.txt
index 1c818eb23e..e0024407f3 100644
--- a/examples/protocols/http_request/CMakeLists.txt
+++ b/examples/protocols/http_request/CMakeLists.txt
@@ -2,5 +2,9 @@
 # in this exact order for cmake to work correctly
 cmake_minimum_required(VERSION 3.5)
 
+# (Not part of the boilerplate)
+# This example uses an extra component for common functions such as Wi-Fi and Ethernet connection.
+set(EXTRA_COMPONENT_DIRS $ENV{IDF_PATH}/examples/common_components/protocol_examples_common)
+
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 project(http-request)
diff --git a/examples/protocols/http_request/Makefile b/examples/protocols/http_request/Makefile
index 2625075074..3d31a53068 100644
--- a/examples/protocols/http_request/Makefile
+++ b/examples/protocols/http_request/Makefile
@@ -5,5 +5,7 @@
 
 PROJECT_NAME := http-request
 
+EXTRA_COMPONENT_DIRS = $(IDF_PATH)/examples/common_components/protocol_examples_common
+
 include $(IDF_PATH)/make/project.mk
 
diff --git a/examples/protocols/http_request/main/Kconfig.projbuild b/examples/protocols/http_request/main/Kconfig.projbuild
deleted file mode 100644
index 803ab080a8..0000000000
--- a/examples/protocols/http_request/main/Kconfig.projbuild
+++ /dev/null
@@ -1,17 +0,0 @@
-menu "Example Configuration"
-
-    config WIFI_SSID
-        string "WiFi SSID"
-        default "myssid"
-        help
-            SSID (network name) for the example to connect to.
-
-    config WIFI_PASSWORD
-        string "WiFi Password"
-        default "mypassword"
-        help
-            WiFi password (WPA or WPA2) for the example to use.
-
-            Can be left blank if the network has no security set.
-
-endmenu
diff --git a/examples/protocols/http_request/main/http_request_example_main.c b/examples/protocols/http_request/main/http_request_example_main.c
index c51205e821..20f1b667f6 100644
--- a/examples/protocols/http_request/main/http_request_example_main.c
+++ b/examples/protocols/http_request/main/http_request_example_main.c
@@ -9,12 +9,12 @@
 #include <string.h>
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"
-#include "freertos/event_groups.h"
 #include "esp_system.h"
 #include "esp_wifi.h"
-#include "esp_event_loop.h"
+#include "esp_event.h"
 #include "esp_log.h"
 #include "nvs_flash.h"
+#include "protocol_examples_common.h"
 
 #include "lwip/err.h"
 #include "lwip/sockets.h"
@@ -22,23 +22,6 @@
 #include "lwip/netdb.h"
 #include "lwip/dns.h"
 
-/* The examples use simple WiFi configuration that you can set via
-   'make menuconfig'.
-
-   If you'd rather not, just change the below entries to strings with
-   the config you want - ie #define EXAMPLE_WIFI_SSID "mywifissid"
-*/
-#define EXAMPLE_WIFI_SSID CONFIG_WIFI_SSID
-#define EXAMPLE_WIFI_PASS CONFIG_WIFI_PASSWORD
-
-/* FreeRTOS event group to signal when we are connected & ready to make a request */
-static EventGroupHandle_t wifi_event_group;
-
-/* The event group allows multiple bits for each event,
-   but we only care about one event - are we connected
-   to the AP with an IP? */
-const int CONNECTED_BIT = BIT0;
-
 /* Constants that aren't configurable in menuconfig */
 #define WEB_SERVER "example.com"
 #define WEB_PORT 80
@@ -51,47 +34,6 @@ static const char *REQUEST = "GET " WEB_URL " HTTP/1.0\r\n"
     "User-Agent: esp-idf/1.0 esp32\r\n"
     "\r\n";
 
-static esp_err_t event_handler(void *ctx, system_event_t *event)
-{
-    switch(event->event_id) {
-    case SYSTEM_EVENT_STA_START:
-        esp_wifi_connect();
-        break;
-    case SYSTEM_EVENT_STA_GOT_IP:
-        xEventGroupSetBits(wifi_event_group, CONNECTED_BIT);
-        break;
-    case SYSTEM_EVENT_STA_DISCONNECTED:
-        /* This is a workaround as ESP32 WiFi libs don't currently
-           auto-reassociate. */
-        esp_wifi_connect();
-        xEventGroupClearBits(wifi_event_group, CONNECTED_BIT);
-        break;
-    default:
-        break;
-    }
-    return ESP_OK;
-}
-
-static void initialise_wifi(void)
-{
-    tcpip_adapter_init();
-    wifi_event_group = xEventGroupCreate();
-    ESP_ERROR_CHECK( esp_event_loop_init(event_handler, NULL) );
-    wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
-    ESP_ERROR_CHECK( esp_wifi_init(&cfg) );
-    ESP_ERROR_CHECK( esp_wifi_set_storage(WIFI_STORAGE_RAM) );
-    wifi_config_t wifi_config = {
-        .sta = {
-            .ssid = EXAMPLE_WIFI_SSID,
-            .password = EXAMPLE_WIFI_PASS,
-        },
-    };
-    ESP_LOGI(TAG, "Setting WiFi configuration SSID %s...", wifi_config.sta.ssid);
-    ESP_ERROR_CHECK( esp_wifi_set_mode(WIFI_MODE_STA) );
-    ESP_ERROR_CHECK( esp_wifi_set_config(ESP_IF_WIFI_STA, &wifi_config) );
-    ESP_ERROR_CHECK( esp_wifi_start() );
-}
-
 static void http_get_task(void *pvParameters)
 {
     const struct addrinfo hints = {
@@ -104,13 +46,6 @@ static void http_get_task(void *pvParameters)
     char recv_buf[64];
 
     while(1) {
-        /* Wait for the callback to set the CONNECTED_BIT in the
-           event group.
-        */
-        xEventGroupWaitBits(wifi_event_group, CONNECTED_BIT,
-                            false, true, portMAX_DELAY);
-        ESP_LOGI(TAG, "Connected to AP");
-
         int err = getaddrinfo(WEB_SERVER, "80", &hints, &res);
 
         if(err != 0 || res == NULL) {
@@ -174,7 +109,7 @@ static void http_get_task(void *pvParameters)
             }
         } while(r > 0);
 
-        ESP_LOGI(TAG, "... done reading from socket. Last read return=%d errno=%d\r\n", r, errno);
+        ESP_LOGI(TAG, "... done reading from socket. Last read return=%d errno=%d.", r, errno);
         close(s);
         for(int countdown = 10; countdown >= 0; countdown--) {
             ESP_LOGI(TAG, "%d... ", countdown);
@@ -187,6 +122,14 @@ static void http_get_task(void *pvParameters)
 void app_main()
 {
     ESP_ERROR_CHECK( nvs_flash_init() );
-    initialise_wifi();
+    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());
+
     xTaskCreate(&http_get_task, "http_get_task", 4096, NULL, 5, NULL);
 }
diff --git a/examples/protocols/https_mbedtls/CMakeLists.txt b/examples/protocols/https_mbedtls/CMakeLists.txt
index a1f41ff875..a053cbaf04 100644
--- a/examples/protocols/https_mbedtls/CMakeLists.txt
+++ b/examples/protocols/https_mbedtls/CMakeLists.txt
@@ -2,5 +2,9 @@
 # CMakeLists in this exact order for cmake to work correctly
 cmake_minimum_required(VERSION 3.5)
 
+# (Not part of the boilerplate)
+# This example uses an extra component for common functions such as Wi-Fi and Ethernet connection.
+set(EXTRA_COMPONENT_DIRS $ENV{IDF_PATH}/examples/common_components/protocol_examples_common)
+
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
-project(https-mbedtls)
\ No newline at end of file
+project(https-mbedtls)
diff --git a/examples/protocols/https_mbedtls/Makefile b/examples/protocols/https_mbedtls/Makefile
index 070f89048b..bb1cf2f18e 100644
--- a/examples/protocols/https_mbedtls/Makefile
+++ b/examples/protocols/https_mbedtls/Makefile
@@ -5,5 +5,7 @@
 
 PROJECT_NAME := https-mbedtls
 
+EXTRA_COMPONENT_DIRS = $(IDF_PATH)/examples/common_components/protocol_examples_common
+
 include $(IDF_PATH)/make/project.mk
 
diff --git a/examples/protocols/https_mbedtls/main/Kconfig.projbuild b/examples/protocols/https_mbedtls/main/Kconfig.projbuild
deleted file mode 100644
index 803ab080a8..0000000000
--- a/examples/protocols/https_mbedtls/main/Kconfig.projbuild
+++ /dev/null
@@ -1,17 +0,0 @@
-menu "Example Configuration"
-
-    config WIFI_SSID
-        string "WiFi SSID"
-        default "myssid"
-        help
-            SSID (network name) for the example to connect to.
-
-    config WIFI_PASSWORD
-        string "WiFi Password"
-        default "mypassword"
-        help
-            WiFi password (WPA or WPA2) for the example to use.
-
-            Can be left blank if the network has no security set.
-
-endmenu
diff --git a/examples/protocols/https_mbedtls/main/https_mbedtls_example_main.c b/examples/protocols/https_mbedtls/main/https_mbedtls_example_main.c
index 93aaba74fa..fe2c0bf8b3 100644
--- a/examples/protocols/https_mbedtls/main/https_mbedtls_example_main.c
+++ b/examples/protocols/https_mbedtls/main/https_mbedtls_example_main.c
@@ -25,12 +25,13 @@
 #include <stdlib.h>
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"
-#include "freertos/event_groups.h"
 #include "esp_wifi.h"
-#include "esp_event_loop.h"
+#include "esp_event.h"
 #include "esp_log.h"
 #include "esp_system.h"
 #include "nvs_flash.h"
+#include "protocol_examples_common.h"
+#include "tcpip_adapter.h"
 
 #include "lwip/err.h"
 #include "lwip/sockets.h"
@@ -47,22 +48,6 @@
 #include "mbedtls/error.h"
 #include "mbedtls/certs.h"
 
-/* The examples use simple WiFi configuration that you can set via
-   'make menuconfig'.
-
-   If you'd rather not, just change the below entries to strings with
-   the config you want - ie #define EXAMPLE_WIFI_SSID "mywifissid"
-*/
-#define EXAMPLE_WIFI_SSID CONFIG_WIFI_SSID
-#define EXAMPLE_WIFI_PASS CONFIG_WIFI_PASSWORD
-
-/* FreeRTOS event group to signal when we are connected & ready to make a request */
-static EventGroupHandle_t wifi_event_group;
-
-/* The event group allows multiple bits for each event,
-   but we only care about one event - are we connected
-   to the AP with an IP? */
-const int CONNECTED_BIT = BIT0;
 
 /* Constants that aren't configurable in menuconfig */
 #define WEB_SERVER "www.howsmyssl.com"
@@ -89,46 +74,6 @@ static const char *REQUEST = "GET " WEB_URL " HTTP/1.0\r\n"
 extern const uint8_t server_root_cert_pem_start[] asm("_binary_server_root_cert_pem_start");
 extern const uint8_t server_root_cert_pem_end[]   asm("_binary_server_root_cert_pem_end");
 
-static esp_err_t event_handler(void *ctx, system_event_t *event)
-{
-    switch(event->event_id) {
-    case SYSTEM_EVENT_STA_START:
-        esp_wifi_connect();
-        break;
-    case SYSTEM_EVENT_STA_GOT_IP:
-        xEventGroupSetBits(wifi_event_group, CONNECTED_BIT);
-        break;
-    case SYSTEM_EVENT_STA_DISCONNECTED:
-        /* This is a workaround as ESP32 WiFi libs don't currently
-           auto-reassociate. */
-        esp_wifi_connect();
-        xEventGroupClearBits(wifi_event_group, CONNECTED_BIT);
-        break;
-    default:
-        break;
-    }
-    return ESP_OK;
-}
-
-static void initialise_wifi(void)
-{
-    tcpip_adapter_init();
-    wifi_event_group = xEventGroupCreate();
-    ESP_ERROR_CHECK( esp_event_loop_init(event_handler, NULL) );
-    wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
-    ESP_ERROR_CHECK( esp_wifi_init(&cfg) );
-    ESP_ERROR_CHECK( esp_wifi_set_storage(WIFI_STORAGE_RAM) );
-    wifi_config_t wifi_config = {
-        .sta = {
-            .ssid = EXAMPLE_WIFI_SSID,
-            .password = EXAMPLE_WIFI_PASS,
-        },
-    };
-    ESP_LOGI(TAG, "Setting WiFi configuration SSID %s...", wifi_config.sta.ssid);
-    ESP_ERROR_CHECK( esp_wifi_set_mode(WIFI_MODE_STA) );
-    ESP_ERROR_CHECK( esp_wifi_set_config(ESP_IF_WIFI_STA, &wifi_config) );
-    ESP_ERROR_CHECK( esp_wifi_start() );
-}
 
 static void https_get_task(void *pvParameters)
 {
@@ -207,13 +152,6 @@ static void https_get_task(void *pvParameters)
     }
 
     while(1) {
-        /* Wait for the callback to set the CONNECTED_BIT in the
-           event group.
-        */
-        xEventGroupWaitBits(wifi_event_group, CONNECTED_BIT,
-                            false, true, portMAX_DELAY);
-        ESP_LOGI(TAG, "Connected to AP");
-
         mbedtls_net_init(&server_fd);
 
         ESP_LOGI(TAG, "Connecting to %s:%s...", WEB_SERVER, WEB_PORT);
@@ -336,6 +274,14 @@ static void https_get_task(void *pvParameters)
 void app_main()
 {
     ESP_ERROR_CHECK( nvs_flash_init() );
-    initialise_wifi();
+    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());
+
     xTaskCreate(&https_get_task, "https_get_task", 8192, NULL, 5, NULL);
 }
diff --git a/examples/protocols/https_request/CMakeLists.txt b/examples/protocols/https_request/CMakeLists.txt
index f77bc66101..6e3f1265b9 100644
--- a/examples/protocols/https_request/CMakeLists.txt
+++ b/examples/protocols/https_request/CMakeLists.txt
@@ -2,5 +2,9 @@
 # CMakeLists in this exact order for cmake to work correctly
 cmake_minimum_required(VERSION 3.5)
 
+# (Not part of the boilerplate)
+# This example uses an extra component for common functions such as Wi-Fi and Ethernet connection.
+set(EXTRA_COMPONENT_DIRS $ENV{IDF_PATH}/examples/common_components/protocol_examples_common)
+
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 project(https_request)
diff --git a/examples/protocols/https_request/Makefile b/examples/protocols/https_request/Makefile
index 55c5f943f1..f81163b00d 100644
--- a/examples/protocols/https_request/Makefile
+++ b/examples/protocols/https_request/Makefile
@@ -5,5 +5,7 @@
 
 PROJECT_NAME := https_request
 
+EXTRA_COMPONENT_DIRS = $(IDF_PATH)/examples/common_components/protocol_examples_common
+
 include $(IDF_PATH)/make/project.mk
 
diff --git a/examples/protocols/https_request/main/Kconfig.projbuild b/examples/protocols/https_request/main/Kconfig.projbuild
deleted file mode 100644
index 803ab080a8..0000000000
--- a/examples/protocols/https_request/main/Kconfig.projbuild
+++ /dev/null
@@ -1,17 +0,0 @@
-menu "Example Configuration"
-
-    config WIFI_SSID
-        string "WiFi SSID"
-        default "myssid"
-        help
-            SSID (network name) for the example to connect to.
-
-    config WIFI_PASSWORD
-        string "WiFi Password"
-        default "mypassword"
-        help
-            WiFi password (WPA or WPA2) for the example to use.
-
-            Can be left blank if the network has no security set.
-
-endmenu
diff --git a/examples/protocols/https_request/main/https_request_example_main.c b/examples/protocols/https_request/main/https_request_example_main.c
index 3964b4ea52..742a4657e1 100644
--- a/examples/protocols/https_request/main/https_request_example_main.c
+++ b/examples/protocols/https_request/main/https_request_example_main.c
@@ -27,10 +27,12 @@
 #include "freertos/task.h"
 #include "freertos/event_groups.h"
 #include "esp_wifi.h"
-#include "esp_event_loop.h"
+#include "esp_event.h"
 #include "esp_log.h"
 #include "esp_system.h"
 #include "nvs_flash.h"
+#include "protocol_examples_common.h"
+#include "tcpip_adapter.h"
 
 #include "lwip/err.h"
 #include "lwip/sockets.h"
@@ -40,23 +42,6 @@
 
 #include "esp_tls.h"
 
-/* The examples use simple WiFi configuration that you can set via
-   'make menuconfig'.
-
-   If you'd rather not, just change the below entries to strings with
-   the config you want - ie #define EXAMPLE_WIFI_SSID "mywifissid"
-*/
-#define EXAMPLE_WIFI_SSID CONFIG_WIFI_SSID
-#define EXAMPLE_WIFI_PASS CONFIG_WIFI_PASSWORD
-
-/* FreeRTOS event group to signal when we are connected & ready to make a request */
-static EventGroupHandle_t wifi_event_group;
-
-/* The event group allows multiple bits for each event,
-   but we only care about one event - are we connected
-   to the AP with an IP? */
-const int CONNECTED_BIT = BIT0;
-
 /* Constants that aren't configurable in menuconfig */
 #define WEB_SERVER "www.howsmyssl.com"
 #define WEB_PORT "443"
@@ -81,47 +66,7 @@ static const char *REQUEST = "GET " WEB_URL " HTTP/1.0\r\n"
 */
 extern const uint8_t server_root_cert_pem_start[] asm("_binary_server_root_cert_pem_start");
 extern const uint8_t server_root_cert_pem_end[]   asm("_binary_server_root_cert_pem_end");
-    
-static esp_err_t event_handler(void *ctx, system_event_t *event)
-{
-    switch(event->event_id) {
-    case SYSTEM_EVENT_STA_START:
-        esp_wifi_connect();
-        break;
-    case SYSTEM_EVENT_STA_GOT_IP:
-        xEventGroupSetBits(wifi_event_group, CONNECTED_BIT);
-        break;
-    case SYSTEM_EVENT_STA_DISCONNECTED:
-        /* This is a workaround as ESP32 WiFi libs don't currently
-           auto-reassociate. */
-        esp_wifi_connect();
-        xEventGroupClearBits(wifi_event_group, CONNECTED_BIT);
-        break;
-    default:
-        break;
-    }
-    return ESP_OK;
-}
 
-static void initialise_wifi(void)
-{
-    tcpip_adapter_init();
-    wifi_event_group = xEventGroupCreate();
-    ESP_ERROR_CHECK( esp_event_loop_init(event_handler, NULL) );
-    wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
-    ESP_ERROR_CHECK( esp_wifi_init(&cfg) );
-    ESP_ERROR_CHECK( esp_wifi_set_storage(WIFI_STORAGE_RAM) );
-    wifi_config_t wifi_config = {
-        .sta = {
-            .ssid = EXAMPLE_WIFI_SSID,
-            .password = EXAMPLE_WIFI_PASS,
-        },
-    };
-    ESP_LOGI(TAG, "Setting WiFi configuration SSID %s...", wifi_config.sta.ssid);
-    ESP_ERROR_CHECK( esp_wifi_set_mode(WIFI_MODE_STA) );
-    ESP_ERROR_CHECK( esp_wifi_set_config(ESP_IF_WIFI_STA, &wifi_config) );
-    ESP_ERROR_CHECK( esp_wifi_start() );
-}
 
 static void https_get_task(void *pvParameters)
 {
@@ -129,12 +74,6 @@ static void https_get_task(void *pvParameters)
     int ret, len;
 
     while(1) {
-        /* Wait for the callback to set the CONNECTED_BIT in the
-           event group.
-        */
-        xEventGroupWaitBits(wifi_event_group, CONNECTED_BIT,
-                            false, true, portMAX_DELAY);
-        ESP_LOGI(TAG, "Connected to AP");
         esp_tls_cfg_t cfg = {
             .cacert_pem_buf  = server_root_cert_pem_start,
             .cacert_pem_bytes = server_root_cert_pem_end - server_root_cert_pem_start,
@@ -212,6 +151,14 @@ static void https_get_task(void *pvParameters)
 void app_main()
 {
     ESP_ERROR_CHECK( nvs_flash_init() );
-    initialise_wifi();
+    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());
+
     xTaskCreate(&https_get_task, "https_get_task", 8192, NULL, 5, NULL);
 }