feat: add MQTT repeater support, web config panel, and EastMesh-specific firmware workflows

src/helpers/mqtt/MQTTPrefs.cpp

@@ -0,0 +1,82 @@
+#include "MQTTPrefs.h"
+
+#ifdef WITH_MQTT_UPLINK
+
+#include <helpers/TxtDataHelpers.h>
+#include <string.h>
+
+namespace {
+constexpr uint32_t kFixedStatusIntervalMs = 300000;
+}
+
+void MQTTPrefsStore::setDefaults(MQTTPrefs& prefs) {
+  memset(&prefs, 0, sizeof(prefs));
+  prefs.magic = kMagic;
+  prefs.enabled_mask = 0x01;
+  prefs.packets_enabled = 1;
+  prefs.raw_enabled = 0;
+  prefs.status_enabled = 1;
+  prefs.tx_enabled = 0;
+  prefs.web_enabled = 1;
+  prefs.wifi_powersave = 0;
+  prefs.status_interval_ms = kFixedStatusIntervalMs;
+  StrHelper::strncpy(prefs.iata, MQTT_DEFAULT_IATA, sizeof(prefs.iata));
+#ifdef WIFI_SSID
+  StrHelper::strncpy(prefs.wifi_ssid, WIFI_SSID, sizeof(prefs.wifi_ssid));
+#endif
+#ifdef WIFI_PWD
+  StrHelper::strncpy(prefs.wifi_pwd, WIFI_PWD, sizeof(prefs.wifi_pwd));
+#endif
+}
+
+bool MQTTPrefsStore::load(FILESYSTEM* fs, MQTTPrefs& prefs) {
+  setDefaults(prefs);
+  if (fs == nullptr || !fs->exists(kFilename)) {
+    return false;
+  }
+
+#if defined(RP2040_PLATFORM)
+  File file = fs->open(kFilename, "r");
+#else
+  File file = fs->open(kFilename);
+#endif
+  if (!file) {
+    return false;
+  }
+
+  size_t bytes_to_read = min(static_cast<size_t>(file.size()), sizeof(prefs));
+  bool ok = bytes_to_read >= sizeof(prefs.magic) &&
+            file.read(reinterpret_cast<uint8_t*>(&prefs), bytes_to_read) == bytes_to_read;
+  file.close();
+
+  if (!ok || prefs.magic != kMagic) {
+    return false;
+  }
+  if (prefs.wifi_powersave > 2) {
+    prefs.wifi_powersave = 0;
+  }
+  prefs.web_enabled = prefs.web_enabled ? 1 : 0;
+  prefs.status_interval_ms = kFixedStatusIntervalMs;
+  prefs.enabled_mask &= 0x07;
+  return true;
+}
+
+bool MQTTPrefsStore::save(FILESYSTEM* fs, const MQTTPrefs& prefs) {
+  if (fs == nullptr) {
+    return false;
+  }
+  fs->remove(kFilename);
+#if defined(RP2040_PLATFORM)
+  File file = fs->open(kFilename, "w");
+#else
+  File file = fs->open(kFilename, "w", true);
+#endif
+  if (!file) {
+    return false;
+  }
+  bool ok = file.write(reinterpret_cast<const uint8_t*>(&prefs), sizeof(prefs)) == sizeof(prefs);
+  file.close();
+  return ok;
+}
+
+#endif