move IDLE_POWER_SAVING_MS

lib/hal/HalPowerManager.cpp

@@ -1,6 +1,7 @@
+#include "HalPowerManager.h"
+
 #include <esp_sleep.h>
 
-#include "HalPowerManager.h"
 #include "HalGPIO.h"
 
 void HalPowerManager::begin() {

lib/hal/HalPowerManager.h

@@ -7,12 +7,13 @@
 #include "HalGPIO.h"
 
 class HalPowerManager {
-  static constexpr int LOW_POWER_FREQ = 10; // MHz
-
   int normalFreq = 0;  // MHz
   bool isLowPower = false;
 
  public:
+  static constexpr int LOW_POWER_FREQ = 10;                    // MHz
+  static constexpr unsigned long IDLE_POWER_SAVING_MS = 3000;  // ms
+
   void begin();
 
   // Control CPU frequency for power saving

src/main.cpp

@@ -414,8 +414,7 @@ void loop() {
   if (currentActivity && currentActivity->skipLoopDelay()) {
     yield();  // Give FreeRTOS a chance to run tasks, but return immediately
   } else {
-    static constexpr unsigned long IDLE_POWER_SAVING_MS = 3000;  // 3 seconds
-    if (millis() - lastActivityTime >= IDLE_POWER_SAVING_MS) {
+    if (millis() - lastActivityTime >= HalPowerManager::IDLE_POWER_SAVING_MS) {
       // If we've been inactive for a while, increase the delay to save power
       powerManager.setPowerSaving(true);  // Lower CPU frequency after extended inactivity
       delay(50);