diff --git a/extra_script.py b/extra_script.py
new file mode 100644
index 000000000..1b0234601
--- /dev/null
+++ b/extra_script.py
@@ -0,0 +1,271 @@
+Import('env')
+from os.path import join, realpath
+
+# Includes
+
+# Sources
+#env.Append(SRC_FILTER=["+<*>","-<.git/>", "-<.svn/>"])
+#env.Append(SRC_FILTER=["-<apps/>"])
+
+def c_file(folder, name):
+    return "+<"+folder+name+">"
+
+# ==================
+#      Boards
+# ==================
+
+#env.Append(SRC_FILTER=["-<boards/>"])
+env.Append(CPPPATH=[realpath("src/boards")])
+
+
+if env.get("PIOENV") == 'nucleo_l073rz':
+    # Defines
+    env.Append(CPPDEFINES=["USE_HAL_DRIVER", "STM32L073xx"])
+
+    # Includes
+    board_dir="boards/NucleoL073/"
+    inc_dir="src/"+board_dir
+    env.Append(CPPPATH=[realpath(inc_dir)])
+    env.Append(CPPPATH=[realpath(inc_dir + "cmsis")])
+    env.Append(CPPPATH=[realpath(inc_dir + "../mcu/stm32")])
+    env.Append(CPPPATH=[realpath(inc_dir + "../mcu/stm32/cmsis")])
+    env.Append(CPPPATH=[realpath(inc_dir + "../mcu/stm32/STM32L0xx_HAL_Driver/Inc")])
+
+    # Files
+    env.Append(SRC_FILTER=[c_file(board_dir,"adc-board.c")])
+    env.Append(SRC_FILTER=[c_file(board_dir,"board.c")])
+    env.Append(SRC_FILTER=[c_file(board_dir,"delay-board.c")])
+    env.Append(SRC_FILTER=[c_file(board_dir,"eeprom-board.c")])
+    env.Append(SRC_FILTER=[c_file(board_dir,"gpio-board.c")])
+    env.Append(SRC_FILTER=[c_file(board_dir,"i2c-board.c")])
+    env.Append(SRC_FILTER=[c_file(board_dir,"lpm-board.c")])
+    env.Append(SRC_FILTER=[c_file(board_dir,"rtc-board.c")])
+    env.Append(SRC_FILTER=[c_file(board_dir,"spi-board.c")])
+    env.Append(SRC_FILTER=[c_file(board_dir,"sysIrqHandlers.c")])
+    env.Append(SRC_FILTER=[c_file(board_dir,"uart-board.c")])
+    env.Append(SRC_FILTER=[c_file(board_dir,"../mcu/utilities.c")])
+    env.Append(SRC_FILTER=[c_file(board_dir,"cmsis/arm-gcc/startup_stm32l073xx.s")])
+    env.Append(SRC_FILTER=[c_file(board_dir,"cmsis/system_stm32l0xx.c")])
+
+    for item in env.get("CPPDEFINES", []):
+        if item == "MCU_HAL_FROM_LIB":
+            env.Append(SRC_FILTER=[c_file(board_dir,"../mcu/stm32/STM32L0xx_HAL_Driver/Src/stm32l0xx_hal.c")])
+            env.Append(SRC_FILTER=[c_file(board_dir,"../mcu/stm32/STM32L0xx_HAL_Driver/Src/stm32l0xx_hal_adc.c")])
+            env.Append(SRC_FILTER=[c_file(board_dir,"../mcu/stm32/STM32L0xx_HAL_Driver/Src/stm32l0xx_hal_adc_ex.c")])
+            env.Append(SRC_FILTER=[c_file(board_dir,"../mcu/stm32/STM32L0xx_HAL_Driver/Src/stm32l0xx_hal_cortex.c")])
+            env.Append(SRC_FILTER=[c_file(board_dir,"../mcu/stm32/STM32L0xx_HAL_Driver/Src/stm32l0xx_hal_dma.c")])
+            env.Append(SRC_FILTER=[c_file(board_dir,"../mcu/stm32/STM32L0xx_HAL_Driver/Src/stm32l0xx_hal_flash.c")])
+            env.Append(SRC_FILTER=[c_file(board_dir,"../mcu/stm32/STM32L0xx_HAL_Driver/Src/stm32l0xx_hal_flash_ex.c")])
+            env.Append(SRC_FILTER=[c_file(board_dir,"../mcu/stm32/STM32L0xx_HAL_Driver/Src/stm32l0xx_hal_gpio.c")])
+            env.Append(SRC_FILTER=[c_file(board_dir,"../mcu/stm32/STM32L0xx_HAL_Driver/Src/stm32l0xx_hal_i2c.c")])
+            env.Append(SRC_FILTER=[c_file(board_dir,"../mcu/stm32/STM32L0xx_HAL_Driver/Src/stm32l0xx_hal_i2c_ex.c")])
+            env.Append(SRC_FILTER=[c_file(board_dir,"../mcu/stm32/STM32L0xx_HAL_Driver/Src/stm32l0xx_hal_pwr.c")])
+            env.Append(SRC_FILTER=[c_file(board_dir,"../mcu/stm32/STM32L0xx_HAL_Driver/Src/stm32l0xx_hal_pwr_ex.c")])
+            env.Append(SRC_FILTER=[c_file(board_dir,"../mcu/stm32/STM32L0xx_HAL_Driver/Src/stm32l0xx_hal_rcc.c")])
+            env.Append(SRC_FILTER=[c_file(board_dir,"../mcu/stm32/STM32L0xx_HAL_Driver/Src/stm32l0xx_hal_rcc_ex.c")])
+            env.Append(SRC_FILTER=[c_file(board_dir,"../mcu/stm32/STM32L0xx_HAL_Driver/Src/stm32l0xx_hal_rtc.c")])
+            env.Append(SRC_FILTER=[c_file(board_dir,"../mcu/stm32/STM32L0xx_HAL_Driver/Src/stm32l0xx_hal_rtc_ex.c")])
+            env.Append(SRC_FILTER=[c_file(board_dir,"../mcu/stm32/STM32L0xx_HAL_Driver/Src/stm32l0xx_hal_spi.c")])
+            env.Append(SRC_FILTER=[c_file(board_dir,"../mcu/stm32/STM32L0xx_HAL_Driver/Src/stm32l0xx_hal_uart.c")])
+            env.Append(SRC_FILTER=[c_file(board_dir,"../mcu/stm32/STM32L0xx_HAL_Driver/Src/stm32l0xx_hal_uart_ex.c")])
+
+        if isinstance(item, tuple) and item[0] == "MBED_RADIO_SHIELD":
+            env.Append(CPPDEFINES=[item[1]])
+            if item[1] == "SX1272MB2DAS":
+                env.Append(SRC_FILTER=[c_file(board_dir,"sx1272mb2das-board.c")])
+                env.Append(CPPDEFINES=[("RADIO", "sx1272")])
+            elif item[1] == "SX1276MB1LAS":
+                env.Append(SRC_FILTER=[c_file(board_dir,"sx1276mb1las-board.c")])
+                env.Append(CPPDEFINES=[("RADIO", "sx1276")])
+            elif item[1] == "SX1276MB1MAS":
+                env.Append(SRC_FILTER=[c_file(board_dir,"sx1276mb1mas-board.c")])
+                env.Append(CPPDEFINES=[("RADIO", "sx1276")])
+            elif item[1] == "SX1261MBXBAS":
+                env.Append(SRC_FILTER=[c_file(board_dir,"sx1261mbxbas-board.c")])
+                env.Append(CPPDEFINES=[("RADIO", "sx126x")])
+            elif item[1] == "SX1262MBXCAS":
+                env.Append(SRC_FILTER=[c_file(board_dir,"sx1262mbxcas-board.c")])
+                env.Append(CPPDEFINES=[("RADIO", "sx126x")])
+            elif item[1] == "SX1262MBXDAS":
+                env.Append(SRC_FILTER=[c_file(board_dir,"sx1262mbxdas-board.c")])
+                env.Append(CPPDEFINES=[("RADIO", "sx126x")])
+            elif item[1] == "LR1110MB1XXS":
+                env.Append(SRC_FILTER=[c_file(board_dir,"lr1110mb1xxs-board.c")])
+                env.Append(CPPDEFINES=[("RADIO", "lr1110")])
+            else:
+                raise ValueError(" Please specify the MBED_RADIO_SHIELD !\nPossible values are: SX1272MB2DAS, SX1276MB1LAS, SX1276MB1MAS, SX1261MBXBAS, SX1262MBXCAS, SX1262MBXDAS and LR1110MB1XXS.")
+
+# ==================
+#       Mac
+# ==================
+#env.Append(SRC_FILTER=["-<mac/>"])
+mac_dir="mac/"
+mac_incdir="src/"+mac_dir
+
+env.Append(CPPPATH=[realpath(mac_incdir)])
+env.Append(CPPPATH=[realpath(mac_incdir + "region")])
+
+env.Append(SRC_FILTER=[c_file(mac_dir,"region/RegionCommon.c")])
+env.Append(SRC_FILTER=[c_file(mac_dir,"region/Region.c")])
+env.Append(SRC_FILTER=[c_file(mac_dir,"LoRaMac.c")])
+env.Append(SRC_FILTER=[c_file(mac_dir,"LoRaMacAdr.c")])
+env.Append(SRC_FILTER=[c_file(mac_dir,"LoRaMacClassB.c")])
+env.Append(SRC_FILTER=[c_file(mac_dir,"LoRaMacCommands.c")])
+env.Append(SRC_FILTER=[c_file(mac_dir,"LoRaMacConfirmQueue.c")])
+env.Append(SRC_FILTER=[c_file(mac_dir,"LoRaMacCrypto.c")])
+env.Append(SRC_FILTER=[c_file(mac_dir,"LoRaMacParser.c")])
+env.Append(SRC_FILTER=[c_file(mac_dir,"LoRaMacSerializer.c")])
+
+for item in env.get("CPPDEFINES", []):
+
+    # Region
+    if item == "REGION_AS923":
+        env.Append(SRC_FILTER=[c_file(mac_dir,"region/RegionAS923.c")])
+    elif item == "REGION_AU915":
+        env.Append(SRC_FILTER=[c_file(mac_dir,"region/RegionAU915.c")])
+    elif item == "REGION_CN470":
+        env.Append(SRC_FILTER=[c_file(mac_dir,"region/RegionCN470.c")])
+        env.Append(SRC_FILTER=[c_file(mac_dir,"region/RegionCN470A20.c")])
+        env.Append(SRC_FILTER=[c_file(mac_dir,"region/RegionCN470B20.c")])
+        env.Append(SRC_FILTER=[c_file(mac_dir,"region/RegionCN470A26.c")])
+        env.Append(SRC_FILTER=[c_file(mac_dir,"region/RegionCN470B26.c")])
+    elif item == "REGION_CN779":
+        env.Append(SRC_FILTER=[c_file(mac_dir,"region/RegionCN779.c")])
+    elif item == "REGION_EU433":
+        env.Append(SRC_FILTER=[c_file(mac_dir,"region/RegionEU433.c")])
+    elif item == "REGION_EU868":
+        env.Append(SRC_FILTER=[c_file(mac_dir,"region/RegionEU868.c")])
+    elif item == "REGION_IN865":
+        env.Append(SRC_FILTER=[c_file(mac_dir,"region/RegionIN865.c")])
+    elif item == "REGION_KR920":
+        env.Append(SRC_FILTER=[c_file(mac_dir,"region/RegionKR920.c")])
+    elif item == "REGION_RU864":
+        env.Append(SRC_FILTER=[c_file(mac_dir,"region/RegionRU864.c")])
+    elif item == "REGION_US915":
+        env.Append(SRC_FILTER=[c_file(mac_dir,"region/RegionBaseUS.c")])
+        env.Append(SRC_FILTER=[c_file(mac_dir,"region/RegionUS915.c")])
+        
+    # AS923 channel plan
+    env.Append(CPPDEFINES=[("REGION_AS923_DEFAULT_CHANNEL_PLAN", "CHANNEL_PLAN_GROUP_AS923_1")])
+    if isinstance(item, tuple) and item[0] == "REGION_AS923_DEFAULT_CHANNEL_PLAN":
+        env.Replace(CPPDEFINES=[("REGION_AS923_DEFAULT_CHANNEL_PLAN", "CHANNEL_PLAN_GROUP_AS923_"+item[1])])
+
+    # CN470 channel plan
+    env.Append(CPPDEFINES=[("REGION_CN470_DEFAULT_CHANNEL_PLAN", "CHANNEL_PLAN_GROUP_CN470_1")])
+    if isinstance(item, tuple) and item[0] == "REGION_CN470_DEFAULT_CHANNEL_PLAN":
+        env.Replace(CPPDEFINES=[("REGION_CN470_DEFAULT_CHANNEL_PLAN", "CHANNEL_PLAN_GROUP_CN470_"+item[1])])
+
+# ==================
+#    Peripherals
+# ==================
+
+#env.Append(SRC_FILTER=["-<peripherals/>"])
+env.Append(CPPPATH=[realpath("src/peripherals")])
+
+periph_dir="peripherals/"
+
+for item in env.get("CPPDEFINES", []):
+
+    # Secure Element
+    if isinstance(item, tuple) and item[0] == "SECURE_ELEMENT":
+        if item[1] == "SOFT_SE":
+            env.Append(CPPDEFINES=["SOFT_SE"])
+            env.Append(SRC_FILTER=[c_file(periph_dir,"*.c")])
+            env.Append(SRC_FILTER=[c_file(periph_dir,"soft-se/*.c")])
+            env.Append(CPPPATH=[realpath("src/peripherals/soft-se")])
+        elif item[1] == "LR1110_SE":
+            for itemx in env.get("CPPDEFINES", []):
+                if isinstance(itemx, tuple) and itemx[0] == "RADIO":
+                    if itemx[1] == "lr1110":
+                        env.Append(SRC_FILTER=[c_file(periph_dir,"*.c")])
+                        env.Append(SRC_FILTER=[c_file(periph_dir,"lr1110-se/*.c")])
+                        env.Append(CPPPATH=[realpath("src/peripherals/lr1110-se")])
+                    else: 
+                        raise ValueError("LR1110_SE secure elemeent can only be used when LR1110 radio is selected.")
+        elif item[1] == "ATECC608A_TNGLORA_SE":
+            env.Append(SRC_FILTER=[c_file(periph_dir,"*.c")])
+            env.Append(SRC_FILTER=[c_file(periph_dir,"atecc608a-tnglora-se/*.c")])
+            env.Append(SRC_FILTER=[c_file(periph_dir,"atecc608a-tnglora-se/cryptoauthlib/lib/*.c")])
+            env.Append(SRC_FILTER=[c_file(periph_dir,"atecc608a-tnglora-se/cryptoauthlib/lib/basic/*.c")])
+            env.Append(SRC_FILTER=[c_file(periph_dir,"atecc608a-tnglora-se/cryptoauthlib/lib/crypto/*.c")])
+            env.Append(SRC_FILTER=[c_file(periph_dir,"atecc608a-tnglora-se/cryptoauthlib/lib/crypto/hashes/*.c")])
+            env.Append(SRC_FILTER=[c_file(periph_dir,"atecc608a-tnglora-se/cryptoauthlib/lib/hal/atca_hal.c")])
+            env.Append(SRC_FILTER=[c_file(periph_dir,"atecc608a-tnglora-se/cryptoauthlib/lib/host/*.c")])
+
+            env.Append(CCPPATH=[realpath("src/peripherals/atecc608a-tnglora-se")])
+            env.Append(CCPPATH=[realpath("src/peripherals/atecc608a-tnglora-se/cryptoauthlib/lib")])
+            env.Append(CCPPATH=[realpath("src/peripherals/atecc608a-tnglora-se/cryptoauthlib/lib/basic")])
+            env.Append(CCPPATH=[realpath("src/peripherals/atecc608a-tnglora-se/cryptoauthlib/lib/crypto")])
+            env.Append(CCPPATH=[realpath("src/peripherals/atecc608a-tnglora-se/cryptoauthlib/lib/crypto/hashes")])
+            env.Append(CCPPATH=[realpath("src/peripherals/atecc608a-tnglora-se/cryptoauthlib/lib/hal")])
+            env.Append(CCPPATH=[realpath("src/peripherals/atecc608a-tnglora-se/cryptoauthlib/lib/host")])
+        else:
+            raise ValueError("No secure-element selected.")
+        
+# ==================
+#       Radio
+# ==================
+#env.Append(SRC_FILTER=["-<radio/>"])
+env.Append(CPPPATH=[realpath("src/radio")])
+radio_dir = "radio/"
+
+for item in env.get("CPPDEFINES", []):
+    if isinstance(item, tuple) and item[0] == "RADIO":
+        if item[1] == "lr1110":
+            env.Append(SRC_FILTER=[c_file(radio_dir,"lr1110/radio.c")])
+            env.Append(SRC_FILTER=[c_file(radio_dir,"lr1110/lr1110_driver/src/lr1110_bootloader.c")])
+            env.Append(SRC_FILTER=[c_file(radio_dir,"lr1110/lr1110_driver/src/lr1110_crypto_engine.c")])
+            env.Append(SRC_FILTER=[c_file(radio_dir,"lr1110/lr1110_driver/src/lr1110_driver_version.c")])
+            env.Append(SRC_FILTER=[c_file(radio_dir,"lr1110/lr1110_driver/src/lr1110_gnss.c")])
+            env.Append(SRC_FILTER=[c_file(radio_dir,"lr1110/lr1110_driver/src/lr1110_radio.c")])
+            env.Append(SRC_FILTER=[c_file(radio_dir,"lr1110/lr1110_driver/src/lr1110_regmem.c")])
+            env.Append(SRC_FILTER=[c_file(radio_dir,"lr1110/lr1110_driver/src/lr1110_system.c")])
+            env.Append(SRC_FILTER=[c_file(radio_dir,"lr1110/lr1110_driver/src/lr1110_wifi.c")])
+
+            env.Append(CCPPATH=[realpath("src/radio/lr1110")])
+            env.Append(CCPPATH=[realpath("src/radio/lr1110/lr1110_driver/src")])
+        elif item[1] == "sx126x":
+            env.Append(SRC_FILTER=[c_file(radio_dir,"sx126x/radio.c")])
+            env.Append(SRC_FILTER=[c_file(radio_dir,"sx126x/sx126x.c")])
+
+            env.Append(CCPPATH=[realpath("src/radio/sx126x")])
+        elif item[1] == "sx1272":
+            env.Append(SRC_FILTER=[c_file(radio_dir,"sx1272/sx1272.c")])
+
+            env.Append(CCPPATH=[realpath("src/radio/sx1272")])
+        elif item[1] == "sx1276":
+            env.Append(SRC_FILTER=[c_file(radio_dir,"sx1276/sx1276.c")])
+
+            env.Append(CCPPATH=[realpath("src/radio/sx1276")])
+        else:
+            raise ValueError("Unsupported radio driver selected...")
+
+# ==================
+#      System
+# ==================
+env.Append(CPPPATH=[realpath("src/system")])
+env.Append(SRC_FILTER=[c_file("system/","*.c")])
+
+# ==================
+#    LoRaMac App
+# ==================
+loramac_dir = "apps/LoRaMac/"
+for item in env.get("CPPDEFINES", []):
+    if item == "LORAMAC":
+        env.Append(SRC_FILTER=[c_file(loramac_dir,"common/CayenneLpp.c")])
+        env.Append(SRC_FILTER=[c_file(loramac_dir,"common/cli.c")])
+        env.Append(SRC_FILTER=[c_file(loramac_dir,"common/LmHandlerMsgDisplay.c")])
+        env.Append(SRC_FILTER=[c_file(loramac_dir,"common/NvmDataMgmt.c")])
+        env.Append(SRC_FILTER=[c_file(loramac_dir,"common/LmHandler/LmHandler.c")])
+        env.Append(SRC_FILTER=[c_file(loramac_dir,"common/LmHandler/packages/FragDecoder.c")])
+        env.Append(SRC_FILTER=[c_file(loramac_dir,"common/LmHandler/packages/LmhpClockSync.c")])
+        env.Append(SRC_FILTER=[c_file(loramac_dir,"common/LmHandler/packages/LmhpCompliance.c")])
+        env.Append(SRC_FILTER=[c_file(loramac_dir,"common/LmHandler/packages/LmhpFragmentation.c")])
+        env.Append(SRC_FILTER=[c_file(loramac_dir,"common/LmHandler/packages/LmhpRemoteMcastSetup.c")])
+
+        env.Append(CPPPATH=[realpath("src/apps/LoRaMac/common")])
+        env.Append(CPPPATH=[realpath("src/apps/LoRaMac/common/LmHandler")])
+        env.Append(CPPPATH=[realpath("src/apps/LoRaMac/common/LmHandler/packages")])
+
+# Dump global construction environment (for debug purpose)
+print(env.Dump())
diff --git a/library.json b/library.json
new file mode 100644
index 000000000..b2a737ed9
--- /dev/null
+++ b/library.json
@@ -0,0 +1,26 @@
+{
+  "name": "LoRaMac-node",
+  "version": "1.0.0",
+  "description": "A \"Hello world\" program is a computer program that outputs \"Hello World\" (or some variant) on a display device",
+  "keywords": "planet, happiness, people",
+  "repository":
+  {
+    "type": "git",
+    "url": "https://github.com/scarbajali/LoRaMac-node.git"
+  },
+  "authors":
+  [
+    {
+      "name": "Semtech",
+      "email": "xxx",
+      "url": "xxxx",
+      "maintainer": true
+    }
+  ],
+  "license": "MIT",
+  "frameworks": "*",
+  "platforms": "*",
+  "build": {
+    "extraScript": "extra_script.py"
+  }
+}