Refactor device-dashboard

examples/device-dashboard/Makefile

@@ -8,8 +8,6 @@ CFLAGS = -W -Wall -Wextra -g -I.        # Build options
 # Mongoose build options. See https://mongoose.ws/documentation/#build-options
 CFLAGS_MONGOOSE +=
 
-FILES_TO_EMBED ?= $(wildcard web_root/*)
-
 ifeq ($(OS),Windows_NT)         # Windows settings. Assume MinGW compiler. To use VC: make CC=cl CFLAGS=/MD OUT=/Feprog.exe
   PROG ?= example.exe           # Use .exe suffix for the binary
   PACK = pack.exe               # Packing executable

examples/device-dashboard/README.md

@@ -5,13 +5,10 @@ into an embedded device and provide a complete device dashboard with the
 following features:
 
 - Authentication: login-protected dashboard
-- Multiple logins with different permissions (admin and user)
-- Web UI is fully embedded into the server/firmware binary, and does not
-  need a filesystem to serve it. UI is resilient to FS problems
-- Administrators can change server settings
+- Multiple logins (with possibly different permissions)
+- The Web UI can be fully embedded into the firmware binary, then not
+  needing a filesystem to serve it; so being resilient to FS problems
 - All changes are propagated to all connected clients
-- The device is connected to the external MQTT server
-- Logged in clients can send/receive messages via MQTT
 
 ## Screenshots
 
@@ -21,9 +18,9 @@ This is a login screen that prompts for user/password
 
 ## Main dashboard
 
-The main dashboard page shows the interactive MQTT console
+The main dashboard page shows the interactive console
 
 ![](screenshots/dashboard.webp)
 
 
-See a detailed tutorial at https://mongoose.ws/tutorials/device-dashboard/
+<!-- See a detailed tutorial at https://mongoose.ws/tutorials/device-dashboard/ -->

examples/device-dashboard/main.c

@@ -1,6 +1,7 @@
 // Copyright (c) 2020-2023 Cesanta Software Limited
 // All rights reserved
 
+#include "mongoose.h"
 #include "net.h"
 
 static int s_sig_num;

examples/device-dashboard/net.c

@@ -237,6 +237,7 @@ static void fn(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
       struct mg_http_serve_opts opts;
       memset(&opts, 0, sizeof(opts));
 #if MG_ENABLE_PACKED_FS
+      opts.root_dir = "/web_root";
       opts.fs = &mg_fs_packed;
 #else
       opts.root_dir = "web_root";

examples/device-dashboard/web_root/main.js

@@ -211,7 +211,7 @@ function Settings({}) {
           toggle button, dropdown select, input field with left and right
           addons. Device settings are received by calling
           /api/settings/get API call, which returns settings JSON object.
-          Clicking on a save button calls /api/settings/set
+          Clicking on the save button calls /api/settings/set
           API call" />
   <//>