Merge branch 'feat-sdcard-info' of https://github.com/jpirnay/crosspoint-reader into mybuild

src/network/CrossPointWebServer.cpp

@@ -12,6 +12,7 @@
 
 #include "CrossPointSettings.h"
 #include "SettingsList.h"
+#include "SystemStatus.h"
 #include "WebDAVHandler.h"
 #include "html/FilesPageHtml.generated.h"
 #include "html/HomePageHtml.generated.h"
@@ -316,16 +317,17 @@ void CrossPointWebServer::handleNotFound() const {
 }
 
 void CrossPointWebServer::handleStatus() const {
-  // Get correct IP based on AP vs STA mode
-  const String ipAddr = apMode ? WiFi.softAPIP().toString() : WiFi.localIP().toString();
+  const auto status = SystemStatus::collect();
 
   JsonDocument doc;
-  doc["version"] = CROSSPOINT_VERSION;
-  doc["ip"] = ipAddr;
-  doc["mode"] = apMode ? "AP" : "STA";
-  doc["rssi"] = apMode ? 0 : WiFi.RSSI();
-  doc["freeHeap"] = ESP.getFreeHeap();
-  doc["uptime"] = millis() / 1000;
+  doc["version"] = status.version;
+  doc["ip"] = status.ip;
+  doc["mode"] = status.wifiMode;
+  doc["rssi"] = status.rssi;
+  doc["freeHeap"] = status.freeHeapBytes;
+  doc["uptime"] = status.uptimeSeconds;
+  doc["sdTotal"] = status.sdTotalBytes;
+  doc["sdUsed"] = status.sdUsedBytes;
 
   String json;
   serializeJson(doc, json);

src/network/CrossPointWebServer.h

@@ -84,7 +84,6 @@ class CrossPointWebServer {
 
   // File scanning
   void scanFiles(const char* path, const std::function<void(FileInfo)>& callback) const;
-  String formatFileSize(size_t bytes) const;
   bool isEpubFile(const String& filename) const;
 
   // Request handlers

src/network/html/HomePage.html

@@ -124,6 +124,10 @@
         <span class="label">Free Memory</span>
         <span class="value" id="free-heap"></span>
       </div>
+      <div class="info-row">
+        <span class="label">SD Card</span>
+        <span class="value" id="sd-space"></span>
+      </div>
     </div>
 
     <div class="card">
@@ -132,6 +136,14 @@
       </p>
     </div>
   <script>
+      function formatBytes(bytes) {
+        if (bytes == null) return 'N/A';
+        const units = ['B', 'KB', 'MB', 'GB'];
+        let val = bytes, i = 0;
+        while (val >= 1024 && i < units.length - 1) { val /= 1024; i++; }
+        return parseFloat(val.toFixed(2)).toLocaleString() + ' ' + units[i];
+      }
+
     async function fetchStatus() {
       try {
         const response = await fetch('/api/status');
@@ -144,6 +156,9 @@
         document.getElementById('free-heap').textContent = data.freeHeap
           ? data.freeHeap.toLocaleString() + ' bytes'
           : 'N/A';
+        document.getElementById('sd-space').textContent = data.sdTotal
+          ? formatBytes(data.sdUsed) + ' / ' + formatBytes(data.sdTotal)
+          : 'N/A';
       } catch (error) {
         console.error('Error fetching status:', error);
       }