Adds serial commands to get stats

- Added formatStatsReply, formatRadioStatsReply, and formatPacketStatsReply methods in MyMesh for both simple_repeater, simple_room_server, and simple_sensor.
- Updated CommonCLI to handle new stats commands.

examples/simple_repeater/MyMesh.cpp

@@ -787,6 +787,19 @@ void MyMesh::removeNeighbor(const uint8_t *pubkey, int key_len) {
 #endif
 }
 
+void MyMesh::formatStatsReply(char *reply) {
+  StatsFormatHelper::formatCoreStats(reply, board, *_ms, _err_flags, _mgr);
+}
+
+void MyMesh::formatRadioStatsReply(char *reply) {
+  StatsFormatHelper::formatRadioStats(reply, _radio, radio_driver, getTotalAirTime(), getReceiveAirTime());
+}
+
+void MyMesh::formatPacketStatsReply(char *reply) {
+  StatsFormatHelper::formatPacketStats(reply, radio_driver, getNumSentFlood(), getNumSentDirect(), 
+                                       getNumRecvFlood(), getNumRecvDirect());
+}
+
 void MyMesh::saveIdentity(const mesh::LocalIdentity &new_id) {
   self_id = new_id;
 #if defined(NRF52_PLATFORM) || defined(STM32_PLATFORM)

examples/simple_repeater/MyMesh.h

@@ -30,6 +30,7 @@
 #include <helpers/IdentityStore.h>
 #include <helpers/SimpleMeshTables.h>
 #include <helpers/StaticPoolPacketManager.h>
+#include <helpers/StatsFormatHelper.h>
 #include <helpers/TxtDataHelpers.h>
 
 #ifdef WITH_BRIDGE
@@ -183,6 +184,9 @@ public:
   void setTxPower(uint8_t power_dbm) override;
   void formatNeighborsReply(char *reply) override;
   void removeNeighbor(const uint8_t* pubkey, int key_len) override;
+  void formatStatsReply(char *reply) override;
+  void formatRadioStatsReply(char *reply) override;
+  void formatPacketStatsReply(char *reply) override;
 
   mesh::LocalIdentity& getSelfId() override { return self_id; }
 

examples/simple_room_server/MyMesh.cpp

@@ -729,6 +729,19 @@ void MyMesh::clearStats() {
   ((SimpleMeshTables *)getTables())->resetStats();
 }
 
+void MyMesh::formatStatsReply(char *reply) {
+  StatsFormatHelper::formatCoreStats(reply, board, *_ms, _err_flags, _mgr);
+}
+
+void MyMesh::formatRadioStatsReply(char *reply) {
+  StatsFormatHelper::formatRadioStats(reply, _radio, radio_driver, getTotalAirTime(), getReceiveAirTime());
+}
+
+void MyMesh::formatPacketStatsReply(char *reply) {
+  StatsFormatHelper::formatPacketStats(reply, radio_driver, getNumSentFlood(), getNumSentDirect(), 
+                                       getNumRecvFlood(), getNumRecvDirect());
+}
+
 void MyMesh::handleCommand(uint32_t sender_timestamp, char *command, char *reply) {
   while (*command == ' ')
     command++; // skip leading spaces

examples/simple_room_server/MyMesh.h

@@ -18,6 +18,7 @@
 #include <helpers/AdvertDataHelpers.h>
 #include <helpers/TxtDataHelpers.h>
 #include <helpers/CommonCLI.h>
+#include <helpers/StatsFormatHelper.h>
 #include <helpers/ClientACL.h>
 #include <RTClib.h>
 #include <target.h>
@@ -192,6 +193,9 @@ public:
   void formatNeighborsReply(char *reply) override {
     strcpy(reply, "not supported");
   }
+  void formatStatsReply(char *reply) override;
+  void formatRadioStatsReply(char *reply) override;
+  void formatPacketStatsReply(char *reply) override;
 
   mesh::LocalIdentity& getSelfId() override { return self_id; }
 

examples/simple_sensor/SensorMesh.cpp

@@ -769,6 +769,19 @@ void SensorMesh::setTxPower(uint8_t power_dbm) {
   radio_set_tx_power(power_dbm);
 }
 
+void SensorMesh::formatStatsReply(char *reply) {
+  StatsFormatHelper::formatCoreStats(reply, board, *_ms, _err_flags, _mgr);
+}
+
+void SensorMesh::formatRadioStatsReply(char *reply) {
+  StatsFormatHelper::formatRadioStats(reply, _radio, radio_driver, getTotalAirTime(), getReceiveAirTime());
+}
+
+void SensorMesh::formatPacketStatsReply(char *reply) {
+  StatsFormatHelper::formatPacketStats(reply, radio_driver, getNumSentFlood(), getNumSentDirect(), 
+                                       getNumRecvFlood(), getNumRecvDirect());
+}
+
 float SensorMesh::getTelemValue(uint8_t channel, uint8_t type) {
   auto buf = telemetry.getBuffer();
   uint8_t size = telemetry.getSize();

examples/simple_sensor/SensorMesh.h

@@ -20,6 +20,7 @@
 #include <helpers/AdvertDataHelpers.h>
 #include <helpers/TxtDataHelpers.h>
 #include <helpers/CommonCLI.h>
+#include <helpers/StatsFormatHelper.h>
 #include <helpers/ClientACL.h>
 #include <RTClib.h>
 #include <target.h>
@@ -69,6 +70,9 @@ public:
   void formatNeighborsReply(char *reply) override {
     strcpy(reply, "not supported");
   }
+  void formatStatsReply(char *reply) override;
+  void formatRadioStatsReply(char *reply) override;
+  void formatPacketStatsReply(char *reply) override;
   mesh::LocalIdentity& getSelfId() override { return self_id; }
   void saveIdentity(const mesh::LocalIdentity& new_id) override;
   void clearStats() override { }

src/helpers/CommonCLI.cpp

@@ -663,6 +663,12 @@ void CommonCLI::handleCommand(uint32_t sender_timestamp, const char* command, ch
     } else if (sender_timestamp == 0 && memcmp(command, "log", 3) == 0) {
       _callbacks->dumpLogFile();
       strcpy(reply, "   EOF");
+    } else if (sender_timestamp == 0 && memcmp(command, "stats-packets", 13) == 0 && (command[13] == 0 || command[13] == ' ')) {
+      _callbacks->formatPacketStatsReply(reply);
+    } else if (sender_timestamp == 0 && memcmp(command, "stats-radio", 11) == 0 && (command[11] == 0 || command[11] == ' ')) {
+      _callbacks->formatRadioStatsReply(reply);
+    } else if (sender_timestamp == 0 && memcmp(command, "stats-core", 10) == 0 && (command[10] == 0 || command[10] == ' ')) {
+      _callbacks->formatStatsReply(reply);
     } else {
       strcpy(reply, "Unknown command");
     }

src/helpers/CommonCLI.h

@@ -66,6 +66,9 @@ public:
   virtual void removeNeighbor(const uint8_t* pubkey, int key_len) {
     // no op by default
   };
+  virtual void formatStatsReply(char *reply) = 0;
+  virtual void formatRadioStatsReply(char *reply) = 0;
+  virtual void formatPacketStatsReply(char *reply) = 0;
   virtual mesh::LocalIdentity& getSelfId() = 0;
   virtual void saveIdentity(const mesh::LocalIdentity& new_id) = 0;
   virtual void clearStats() = 0;

src/helpers/StatsFormatHelper.h

@@ -0,0 +1,54 @@
+#pragma once
+
+#include "Mesh.h"
+
+class StatsFormatHelper {
+public:
+  static void formatCoreStats(char* reply, 
+                             mesh::MainBoard& board, 
+                             mesh::MillisecondClock& ms, 
+                             uint16_t err_flags,
+                             mesh::PacketManager* mgr) {
+    sprintf(reply, 
+      "{\"battery_mv\":%u,\"uptime_secs\":%u,\"errors\":%u,\"queue_len\":%u}",
+      board.getBattMilliVolts(),
+      ms.getMillis() / 1000,
+      err_flags,
+      mgr->getOutboundCount(0xFFFFFFFF)
+    );
+  }
+
+  template<typename RadioDriverType>
+  static void formatRadioStats(char* reply,
+                              mesh::Radio* radio,
+                              RadioDriverType& driver,
+                              uint32_t total_air_time_ms,
+                              uint32_t total_rx_air_time_ms) {
+    sprintf(reply, 
+      "{\"noise_floor\":%d,\"last_rssi\":%d,\"last_snr\":%.2f,\"tx_air_secs\":%u,\"rx_air_secs\":%u}",
+      (int16_t)radio->getNoiseFloor(),
+      (int16_t)driver.getLastRSSI(),
+      driver.getLastSNR(),
+      total_air_time_ms / 1000,
+      total_rx_air_time_ms / 1000
+    );
+  }
+
+  template<typename RadioDriverType>
+  static void formatPacketStats(char* reply,
+                               RadioDriverType& driver,
+                               uint32_t n_sent_flood,
+                               uint32_t n_sent_direct,
+                               uint32_t n_recv_flood,
+                               uint32_t n_recv_direct) {
+    sprintf(reply, 
+      "{\"recv\":%u,\"sent\":%u,\"flood_tx\":%u,\"direct_tx\":%u,\"flood_rx\":%u,\"direct_rx\":%u}",
+      driver.getPacketsRecv(),
+      driver.getPacketsSent(),
+      n_sent_flood,
+      n_sent_direct,
+      n_recv_flood,
+      n_recv_direct
+    );
+  }
+};