Decrease max nodes for NRF52 to 80 as workaround to prevent FS blowouts (#5338)

* Decrease max nodes for NRF52 to 80 as workaround to prevent FS blowouts

* Don't redefine

* Newline

src/Power.cpp

@@ -271,7 +271,7 @@ class AnalogBatteryLevel : public HasBatteryLevel
             config.power.adc_multiplier_override > 0 ? config.power.adc_multiplier_override : ADC_MULTIPLIER;
         // Do not call analogRead() often.
         const uint32_t min_read_interval = 5000;
-        if (!Throttle::isWithinTimespanMs(last_read_time_ms, min_read_interval)) {
+        if (!initial_read_done || !Throttle::isWithinTimespanMs(last_read_time_ms, min_read_interval)) {
             last_read_time_ms = millis();
 
             uint32_t raw = 0;

src/mesh/mesh-pb-constants.h

@@ -20,8 +20,12 @@
 
 /// max number of nodes allowed in the mesh
 #ifndef MAX_NUM_NODES
+#ifdef ARCH_NRF52
+#define MAX_NUM_NODES 80
+#else
 #define MAX_NUM_NODES 100
 #endif
+#endif
 
 /// Max number of channels allowed
 #define MAX_NUM_CHANNELS (member_size(meshtastic_ChannelFile, channels) / member_size(meshtastic_ChannelFile, channels[0]))

src/modules/AdminModule.cpp

@@ -526,6 +526,11 @@ void AdminModule::handleSetConfig(const meshtastic_Config &c)
             requiresReboot = false;
         }
         config.power = c.payload_variant.power;
+        if (c.payload_variant.power.on_battery_shutdown_after_secs > 0 &&
+            c.payload_variant.power.on_battery_shutdown_after_secs < 30) {
+            LOG_WARN("Tried to set on_battery_shutdown_after_secs too low, set to min 30 seconds");
+            config.power.on_battery_shutdown_after_secs = 30;
+        }
         break;
     case meshtastic_Config_network_tag:
         LOG_INFO("Set config: WiFi");