Прошло 2 года.

lib/epdiy/examples/www-image/main/CMakeLists.txt

@@ -0,0 +1,13 @@
+set(        
+    app_sources "jpg-render.c"
+    #app_sources "jpgdec-render.cpp"
+    )
+
+idf_component_register(SRCS ${app_sources} 
+        REQUIRES epdiy esp_wifi
+        # Add only if you use jpgdec-render.cpp example
+        jpegdec
+        nvs_flash esp-tls esp_http_client
+        # Embed the server root certificate into the final binary
+        EMBED_TXTFILES ${project_dir}/ssl_cert/server_cert.pem
+        )