Add saved regulator modes and battery-gated crash recovery

examples/companion_radio/MyMesh.cpp

@@ -1,3 +1,4 @@
+#include <helpers/RegulatorSettings.h>
 #include <helpers/ui/DisplayPowerSettings.h>
 #include <helpers/BatteryChargeCLI.h>
 #include <helpers/MorseCLI.h>
@@ -8222,6 +8223,7 @@ bool MyMesh::handleExtraFsHilCommand(const char* command, char* reply,
   if (strcmp(action, "unsafe-reset CONFIRM") == 0) {
     // Intentionally bypass all persistence hooks so HIL can prove that a
     // mutation was already committed before an event-driven sleep.
+    meshRegulatorCleanReset();  // Retained marker only; no persistence flush.
     NVIC_SystemReset();
     while (true) {}
   }
@@ -10720,6 +10722,8 @@ bool MyMesh::handleCommand(const char* command, uint32_t sender_timestamp,
     while (*command == ' ' || *command == '\t') command++;
   }
 
+  if (mesh::power::handleRegulatorCommand(command, reply, reply_capacity)) return true;
+
 #if COMPANION_FEATURE_READER
   if (sender_timestamp == 0 && mesh::morseTimingActive(_radio)
       && isCompanionReaderRequest(command)) {

examples/companion_radio/main.cpp

@@ -1,3 +1,4 @@
+#include <helpers/RegulatorSettings.h>
 #include <Arduino.h>   // needed for PlatformIO
 #include <helpers/ui/StartupScreen.h>
 #include <helpers/ui/DisplayPowerSettings.h>
@@ -3600,6 +3601,16 @@ void setup() {
 #endif
 
 
+  FILESYSTEM* regulator_prefs_fs = store.getPrimaryFS();
+#if defined(NRF52_PLATFORM)
+  if (!mesh::storage::internalPrimaryFilesystemReady(primary_fs_boot)
+      && !store.isVolatilePrimaryFS()) regulator_prefs_fs = nullptr;
+#endif
+  if (!mesh::power::beginRegulatorSettings(board, radio_driver, regulator_prefs_fs)) {
+    MESH_DEBUG_PRINTLN("Regulator selection could not be applied");
+  }
+
+
 #ifdef DISPLAY_CLASS
   // Load only the display policy before radio and secondary-storage startup.
   FILESYSTEM* display_prefs_fs = store.getPrimaryFS();
@@ -4205,6 +4216,7 @@ void loop() {
   if (!morse_timing) companionPairingUiHilProbe();
 #endif
   rtc_clock.tick();
+  mesh::power::serviceRegulatorSettings();
   board.loop();
   if (mesh::serviceUsbLoggingWatchdog(usbLoggingRecoverySafe)) board.reboot();
 #ifdef TBEAM_1W

examples/kiss_modem/main.cpp

@@ -180,6 +180,7 @@ void setup() {
 #endif
   KISS_BOOT_STAGE("board.before");
   board.begin();
+  board.applyMcuRegulator(mesh::power::RegulatorMode::Default);
   KISS_BOOT_STAGE("board.after");
 
 #if defined(ESP32)

examples/partition_expander/main.cpp

@@ -92,6 +92,7 @@ bool loadPrimaryRadio(mesh::RadioProfileParams& profile) {
 
 void startLoRaReceiver() {
   board.begin();
+  board.applyMcuRegulator(mesh::power::RegulatorMode::Default);
   if (!radio_init()) {
     Serial.println("Partition Expander: radio init failed; Wi-Fi recovery remains available");
     return;

examples/simple_repeater/main.cpp

@@ -1,3 +1,4 @@
+#include <helpers/RegulatorSettings.h>
 #include <Arduino.h>   // needed for PlatformIO
 #include <Mesh.h>
 #include <helpers/IdentityGeneration.h>
@@ -203,6 +204,9 @@ void setup() {
 #else
   #error "need to define filesystem"
 #endif
+  if (!mesh::power::beginRegulatorSettings(board, radio_driver, fs)) {
+    MESH_DEBUG_PRINTLN("Regulator selection could not be applied");
+  }
   mesh::hilStartupTrace("fs_ready");
 #ifdef DISPLAY_CLASS
   mesh::hilStartupTrace("display_begin");
@@ -538,6 +542,7 @@ static void __attribute__((noinline)) serviceCommandInterfaces() {
     command[0] = 0;  // reset command buffer
   }
 
+  mesh::power::serviceRegulatorSettings();
   board.loop();   // let the board feed its watchdog, run periodic housekeeping
 
 #ifdef ETHERNET_ENABLED

examples/simple_room_server/main.cpp

@@ -1,3 +1,4 @@
+#include <helpers/RegulatorSettings.h>
 #include <Arduino.h>   // needed for PlatformIO
 #include <Mesh.h>
 #include <helpers/IdentityGeneration.h>
@@ -137,6 +138,9 @@ void setup() {
 #else
   #error "need to define filesystem"
 #endif
+  if (!mesh::power::beginRegulatorSettings(board, radio_driver, fs)) {
+    MESH_DEBUG_PRINTLN("Regulator selection could not be applied");
+  }
 #ifdef DISPLAY_CLASS
   mesh::ui::loadDisplayPowerSettings(fs, false);
   mesh::ui::StartupScreen startup_screen;
@@ -390,6 +394,7 @@ void loop() {
   if (display_ready) ui_task.loop();
 #endif
   rtc_clock.tick();
+  mesh::power::serviceRegulatorSettings();
   board.loop();
   if (mesh::serviceUsbLoggingWatchdog(usbLoggingRecoverySafe)) board.reboot();
 #if MESH_USB_CONSOLE_COOPERATIVE

examples/simple_secure_chat/main.cpp

@@ -748,6 +748,7 @@ void setup() {
 #endif
 
   board.begin();
+  board.applyMcuRegulator(mesh::power::RegulatorMode::Default);
 
 #ifdef HAS_EXTERNAL_WATCHDOG
   external_watchdog.begin();

examples/simple_sensor/main.cpp

@@ -1,3 +1,4 @@
+#include <helpers/RegulatorSettings.h>
 #include "SensorMesh.h"
 #include <math.h>
 #include <helpers/IdentityGeneration.h>
@@ -162,6 +163,9 @@ void setup() {
 #else
   #error "need to define filesystem"
 #endif
+  if (!mesh::power::beginRegulatorSettings(board, radio_driver, fs)) {
+    MESH_DEBUG_PRINTLN("Regulator selection could not be applied");
+  }
 #ifdef DISPLAY_CLASS
   mesh::ui::loadDisplayPowerSettings(fs, false);
   mesh::ui::StartupScreen startup_screen;
@@ -351,6 +355,7 @@ void loop() {
     command[0] = 0;  // reset command buffer
   }
 
+  mesh::power::serviceRegulatorSettings();
   board.loop();   // let the board feed its watchdog, run periodic housekeeping
 
   the_mesh.loop();