feat(esp_delta_ota): Added pytest for the delta OTA example

1. Added pytest for the delta OTA example

Author: hrushikesh430

esp_delta_ota/CHANGELOG.md

@@ -1,3 +1,8 @@
+## 1.1.4
+
+### Enhancements:
+- Added ability to set the new firmware upgrade URL from STDIN
+
 ## 1.1.3
 
 ### Bugfixes:

esp_delta_ota/examples/https_delta_ota/CMakeLists.txt

@@ -1,7 +1,7 @@
 # The following lines of boilerplate have to be in your project's CMakeLists
 # in this exact order for cmake to work correctly
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.16)
 
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
-set(COMPONENTS main)
+set(COMPONENTS main esp_eth)
 project(https_delta_ota)

esp_delta_ota/examples/https_delta_ota/main/CMakeLists.txt

@@ -1,4 +1,4 @@
 idf_component_register(SRCS "main.c"
                     INCLUDE_DIRS "."
                     EMBED_TXTFILES ca_cert.pem
-                    PRIV_REQUIRES esp_http_client esp_partition nvs_flash app_update esp_timer esp_wifi console)
+                    PRIV_REQUIRES esp_http_client esp_partition nvs_flash app_update esp_timer esp_wifi console esp_eth)

esp_delta_ota/examples/https_delta_ota/main/Kconfig.projbuild

@@ -24,4 +24,8 @@ menu "Example Configuration"
         help
             Maximum time for reception
 
+    config EXAMPLE_FIRMWARE_UPG_URL_FROM_STDIN
+        bool
+        default y if EXAMPLE_FIRMWARE_UPG_URL = "FROM_STDIN"
+
 endmenu

esp_delta_ota/examples/https_delta_ota/main/main.c

@@ -36,6 +36,7 @@
 #define BUFFSIZE 1024
 #define PATCH_HEADER_SIZE 64
 #define DIGEST_SIZE 32
+#define OTA_URL_SIZE 256
 static uint32_t esp_delta_ota_magic = 0xfccdde10;
 
 static const char *TAG = "https_delta_ota_example";
@@ -156,6 +157,20 @@ static void ota_example_task(void *pvParameter)
     config.skip_cert_common_name_check = true;
 #endif
 
+#ifdef CONFIG_EXAMPLE_FIRMWARE_UPG_URL_FROM_STDIN
+    char url_buf[OTA_URL_SIZE];
+    if (strcmp(config.url, "FROM_STDIN") == 0) {
+        example_configure_stdin_stdout();
+        fgets(url_buf, OTA_URL_SIZE, stdin);
+        int len = strlen(url_buf);
+        url_buf[len - 1] = '\0';
+        config.url = url_buf;
+    } else {
+        ESP_LOGE(TAG, "Configuration mismatch: wrong firmware upgrade image url");
+        abort();
+    }
+#endif
+
     esp_http_client_handle_t client = esp_http_client_init(&config);
     if (client == NULL) {
         ESP_LOGE(TAG, "Failed to initialise HTTP connection");