farmhub-kernel.patch

diff --git a/platformio.ini b/platformio.ini
index dd73415..bdb058f 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -25,6 +25,7 @@ build_flags =
 
 monitor_filters = esp32_exception_decoder
 monitor_speed = 115200
+monitor_raw = true
 lib_deps =
     256dpi/MQTT@^2.5.1
     bblanchon/ArduinoJson@^6.21.3
diff --git a/src/kernel/Application.hpp b/src/kernel/Application.hpp
index 8cedd6d..6f0a483 100644
--- a/src/kernel/Application.hpp
+++ b/src/kernel/Application.hpp
@@ -1,5 +1,7 @@
 #pragma once
 
+#include <optional>
+
 #include <freertos/FreeRTOS.h>
 
 #include <kernel/Command.hpp>
diff --git a/src/main.cpp b/src/main.cpp
index 7c9f78e..318cf6b 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -3,14 +3,16 @@
 #include <kernel/Application.hpp>
 #include <kernel/FileSystem.hpp>
 #include <kernel/Task.hpp>
+#include <kernel/drivers/BatteryDriver.hpp>
 
 using namespace farmhub::kernel;
 using namespace farmhub::kernel::drivers;
 
 class ConsolePrinter : IntermittentLoopTask {
 public:
-    ConsolePrinter()
-        : IntermittentLoopTask("Console printer", 32768, 1) {
+    ConsolePrinter(BatteryDriver& batteryDriver)
+        : IntermittentLoopTask("Console printer", 32768, 1)
+        , batteryDriver(batteryDriver) {
     }
 
 protected:
@@ -31,7 +33,10 @@ protected:
         Serial.printf(", now: \033[33m%d\033[0m", now);
         Serial.print(&timeinfo, ", UTC: \033[33m%A, %B %d %Y %H:%M:%S\033[0m");
 
-        Serial.print(" ");
+        Serial.printf(", battery: \033[33m%.2f V\033[0m", batteryDriver.getVoltage());
+
+        Serial.println(" ");
+        Serial.flush();
         return milliseconds(100);
     }
 
@@ -61,6 +66,8 @@ private:
 
     int counter;
     const String spinner { "-\\|/" };
+
+    BatteryDriver& batteryDriver;
 };
 
 class SampleDeviceConfiguration
@@ -79,7 +86,8 @@ public:
     }
 
 private:
-    ConsolePrinter consolePrinter;
+    BatteryDriver batteryDriver { GPIO_NUM_1, 1.0 };
+    ConsolePrinter consolePrinter { batteryDriver };
 };
 
 SampleDeviceConfiguration* deviceConfig;