diff --git a/Firmware/Olfactometer/Olfactometer.cproj b/Firmware/Olfactometer/Olfactometer.cproj
index bd8def2..170c70e 100644
--- a/Firmware/Olfactometer/Olfactometer.cproj
+++ b/Firmware/Olfactometer/Olfactometer.cproj
@@ -144,7 +144,7 @@
   <avrgcc.linker.libraries.Libraries>
     <ListValues>
       <Value>libm</Value>
-      <Value>libATxmega128A1U-1.14.a</Value>
+      <Value>libATxmega128A1U-1.15.a</Value>
     </ListValues>
   </avrgcc.linker.libraries.Libraries>
   <avrgcc.linker.libraries.LibrarySearchPaths>
diff --git a/Firmware/Olfactometer/app.c b/Firmware/Olfactometer/app.c
index 1229e91..ad62c15 100644
--- a/Firmware/Olfactometer/app.c
+++ b/Firmware/Olfactometer/app.c
@@ -62,7 +62,7 @@ void hwbp_app_initialize(void)
     uint8_t hwH = 2;
     uint8_t hwL = 1;
     uint8_t fwH = 2;
-    uint8_t fwL = 2;
+    uint8_t fwL = 3;
     uint8_t ass = 0;
     
    	/* Start core */
diff --git a/Firmware/Olfactometer/hwbp_core.h b/Firmware/Olfactometer/hwbp_core.h
index 515d930..ccdc8b5 100644
--- a/Firmware/Olfactometer/hwbp_core.h
+++ b/Firmware/Olfactometer/hwbp_core.h
@@ -114,6 +114,24 @@ bool core_clock_to_unlock(void);
 
 
 /// It is mandatory that this function is the first of the application code.
+void core_func_start_core_V2 (
+	const uint16_t who_am_i,
+    const uint8_t hwH,
+    const uint8_t hwL,
+	const uint8_t hwP,
+    const uint8_t fwH,
+    const uint8_t fwL,
+    const uint8_t fwP,
+    uint8_t *pointer_to_app_regs,
+    const uint16_t app_mem_size_to_save,
+    const uint8_t num_of_app_registers,
+    const uint8_t *device_name,
+    const bool	device_is_able_to_repeat_clock,
+    const bool	device_is_able_to_generate_clock,
+	const uint8_t default_timestamp_offset
+	);
+
+/// Old initialization function. Use "core_func_start_core_V2()" instead.
 void core_func_start_core (
     const uint16_t who_am_i,
     const uint8_t hwH,
diff --git a/Firmware/Olfactometer/hwbp_core_regs.h b/Firmware/Olfactometer/hwbp_core_regs.h
index 52f0728..7435cfb 100644
--- a/Firmware/Olfactometer/hwbp_core_regs.h
+++ b/Firmware/Olfactometer/hwbp_core_regs.h
@@ -25,6 +25,7 @@ struct CommonBank
 	uint8_t R_UID[16];
 	uint8_t R_TAG[8];
 	uint16_t R_HEARTBEAT;
+	uint8_t R_VERSION[32];
 };
 
 /************************************************************************/
@@ -50,9 +51,10 @@ struct CommonBank
 #define ADD_R_UID               0x10    // U8[16]
 #define ADD_R_TAG               0x11    // U8[8]
 #define ADD_R_HEARTBEAT         0x12    // U16
+#define ADD_R_VERSION           0x13    // U8[32]
 
 /* Memory limits */
-#define COMMON_BANK_ADD_MAX             0x12
+#define COMMON_BANK_ADD_MAX             0x13
 #define COMMON_BANK_ABSOLUTE_ADD_MAX    0x1C
 
 /* R_OPERATION_CTRL */
@@ -77,6 +79,7 @@ struct CommonBank
 
 #define B_NAME_TO_DEFAULT   (1<<3)
 
+#define B_BOOT              (1<<5)
 #define B_BOOT_DEF          (1<<6)
 #define B_BOOT_EE           (1<<7)
 
diff --git a/Firmware/Olfactometer/libATxmega128A1U-1.14.a b/Firmware/Olfactometer/libATxmega128A1U-1.14.a
deleted file mode 100644
index dbf9a83..0000000
Binary files a/Firmware/Olfactometer/libATxmega128A1U-1.14.a and /dev/null differ
diff --git a/Firmware/Olfactometer/libATxmega128A1U-1.15.a b/Firmware/Olfactometer/libATxmega128A1U-1.15.a
new file mode 100644
index 0000000..545e330
Binary files /dev/null and b/Firmware/Olfactometer/libATxmega128A1U-1.15.a differ
diff --git a/device.yml b/device.yml
index 6524ffe..1567373 100644
--- a/device.yml
+++ b/device.yml
@@ -3,7 +3,7 @@
 # yaml-language-server: $schema=https://harp-tech.org/draft-02/schema/device.json
 device: Olfactometer
 whoAmI: 1140
-firmwareVersion: "2.2"
+firmwareVersion: "2.3"
 hardwareTargets: "1.0"
 registers:
   EnableFlow: