diff --git a/Core/Inc/stm32wlxx_hal_conf.h b/Core/Inc/stm32wlxx_hal_conf.h
index 60fd3b2..b06c984 100644
--- a/Core/Inc/stm32wlxx_hal_conf.h
+++ b/Core/Inc/stm32wlxx_hal_conf.h
@@ -41,7 +41,7 @@
 /*#define HAL_DAC_MODULE_ENABLED   */
 /*#define HAL_GTZC_MODULE_ENABLED   */
 /*#define HAL_HSEM_MODULE_ENABLED   */
-/*#define HAL_I2C_MODULE_ENABLED   */
+#define HAL_I2C_MODULE_ENABLED
 /*#define HAL_I2S_MODULE_ENABLED   */
 /*#define HAL_IPCC_MODULE_ENABLED   */
 /*#define HAL_IRDA_MODULE_ENABLED   */
diff --git a/Core/Src/i2c.c b/Core/Src/i2c.c
index 3ab7d85..0911d30 100644
--- a/Core/Src/i2c.c
+++ b/Core/Src/i2c.c
@@ -21,6 +21,7 @@
 /* Includes ------------------------------------------------------------------*/
 #include "i2c.h"
 #include "main.h"
+#include "yunhorn_sts_prd_conf.h"
 /* USER CODE BEGIN 0 */
 I2C_HandleTypeDef hi2c2;
 DMA_HandleTypeDef hdma_i2c2_rx;
diff --git a/STM32CubeIDE/.cproject b/STM32CubeIDE/.cproject
index 93edae5..468e7ec 100644
--- a/STM32CubeIDE/.cproject
+++ b/STM32CubeIDE/.cproject
@@ -17,11 +17,11 @@
 				<configuration artifactExtension="elf" artifactName="${ProjName}" buildArtefactType="org.eclipse.cdt.build.core.buildArtefactType.exe" buildProperties="org.eclipse.cdt.build.core.buildArtefactType=org.eclipse.cdt.build.core.buildArtefactType.exe,org.eclipse.cdt.build.core.buildType=org.eclipse.cdt.build.core.buildType.debug" cleanCommand="rm -rf" description="" id="com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.debug.548833444" name="Debug" parent="com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.debug">
 					<folderInfo id="com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.debug.548833444." name="/" resourcePath="">
 						<toolChain id="com.st.stm32cube.ide.mcu.gnu.managedbuild.toolchain.exe.debug.1245189394" name="MCU ARM GCC" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.toolchain.exe.debug">
-							<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_mcu.1668122417" name="MCU" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_mcu" useByScannerDiscovery="true" value="STM32WL55JCIx" valueType="string"/>
+							<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_mcu.1668122417" name="MCU" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_mcu" useByScannerDiscovery="true" value="STM32WLE5CCUx" valueType="string"/>
 							<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_cpuid.377546145" name="CPU" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_cpuid" useByScannerDiscovery="false" value="0" valueType="string"/>
 							<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_coreid.653319510" name="Core" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_coreid" useByScannerDiscovery="false" value="0" valueType="string"/>
-							<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_board.1155291299" name="Board" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_board" useByScannerDiscovery="false" value="NUCLEO-WL55JC1" valueType="string"/>
-							<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.defaults.2103610047" name="Defaults" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.defaults" useByScannerDiscovery="false" value="com.st.stm32cube.ide.common.services.build.inputs.revA.1.0.5 || Debug || true || Executable || com.st.stm32cube.ide.mcu.gnu.managedbuild.option.toolchain.value.workspace || NUCLEO-WL55JC1 || 0 || 0 || arm-none-eabi- || ${gnu_tools_for_stm32_compiler_path} || ../../Core/Inc | ../../LoRaWAN/Target | ../../../../../../../Utilities/misc | ../../../../../../../Middlewares/Third_Party/SubGHz_Phy | ../../../../../../../Utilities/lpm/tiny_lpm | ../../../../../../../Middlewares/Third_Party/SubGHz_Phy/stm32_radio_driver | ../../../../../../../Drivers/CMSIS/Device/ST/STM32WLxx/Include | ../../../../../../../Utilities/sequencer | ../../../../../../../Middlewares/Third_Party/LoRaWAN/LmHandler/Packages | ../../LoRaWAN/App | ../../../../../../../Middlewares/Third_Party/LoRaWAN/Mac/Region | ../../../../../../../Drivers/STM32WLxx_HAL_Driver/Inc | ../../../../../../../Drivers/STM32WLxx_HAL_Driver/Inc/Legacy | ../../../../../../../Utilities/trace/adv_trace | ../../../../../../../Drivers/BSP/STM32WLxx_Nucleo | ../../../../../../../Utilities/timer | ../../../../../../../Middlewares/Third_Party/LoRaWAN/Mac | ../../../../../../../Middlewares/Third_Party/LoRaWAN/Utilities | ../../../../../../../Middlewares/Third_Party/LoRaWAN/Crypto | ../../../../../../../Middlewares/Third_Party/LoRaWAN/LmHandler | ../../../../../../../Drivers/CMSIS/Include ||  ||  || USE_HAL_DRIVER | STM32WL55xx | CORE_CM4 ||  ||  ||  ||  || ${workspace_loc:/${ProjName}/STM32WL55JCIX_FLASH.ld} || true || NonSecure ||  || secure_nsclib.o ||  || None || " valueType="string"/>
+							<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_board.1155291299" name="Board" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_board" useByScannerDiscovery="false" value="YUNHORN-STS-WLE5CC" valueType="string"/>
+							<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.defaults.2103610047" name="Defaults" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.defaults" useByScannerDiscovery="false" value="com.st.stm32cube.ide.common.services.build.inputs.revA.1.0.5 || Debug || true || Executable || com.st.stm32cube.ide.mcu.gnu.managedbuild.option.toolchain.value.workspace || NUCLEO-WL55JC1 || 0 || 0 || arm-none-eabi- || ${gnu_tools_for_stm32_compiler_path} || ../../Core/Inc | ../../LoRaWAN/Target | ../../../../../../../Utilities/misc | ../../../../../../../Middlewares/Third_Party/SubGHz_Phy | ../../../../../../../Utilities/lpm/tiny_lpm | ../../../../../../../Middlewares/Third_Party/SubGHz_Phy/stm32_radio_driver | ../../../../../../../Drivers/CMSIS/Device/ST/STM32WLxx/Include | ../../../../../../../Utilities/sequencer | ../../../../../../../Middlewares/Third_Party/LoRaWAN/LmHandler/Packages | ../../LoRaWAN/App | ../../../../../../../Middlewares/Third_Party/LoRaWAN/Mac/Region | ../../../../../../../Drivers/STM32WLxx_HAL_Driver/Inc | ../../../../../../../Drivers/STM32WLxx_HAL_Driver/Inc/Legacy | ../../../../../../../Utilities/trace/adv_trace | ../../../../../../../Drivers/BSP/STM32WLxx_Nucleo | ../../../../../../../Utilities/timer | ../../../../../../../Middlewares/Third_Party/LoRaWAN/Mac | ../../../../../../../Middlewares/Third_Party/LoRaWAN/Utilities | ../../../../../../../Middlewares/Third_Party/LoRaWAN/Crypto | ../../../../../../../Middlewares/Third_Party/LoRaWAN/LmHandler | ../../../../../../../Drivers/CMSIS/Include ||  ||  || USE_HAL_DRIVER | STM32WLE5xx | CORE_CM4 ||  ||  ||  ||  || ${workspace_loc:/${ProjName}/STM32WLE5CCUX_FLASH.ld} || true || NonSecure ||  || secure_nsclib.o ||  || None || " valueType="string"/>
 							<targetPlatform archList="all" binaryParser="org.eclipse.cdt.core.ELF" id="com.st.stm32cube.ide.mcu.gnu.managedbuild.targetplatform.611324519" isAbstract="false" osList="all" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.targetplatform"/>
 							<builder buildPath="${workspace_loc:/LoRaWAN_End_Node}/Debug" id="com.st.stm32cube.ide.mcu.gnu.managedbuild.builder.216780214" keepEnvironmentInBuildfile="false" managedBuildOn="true" name="Gnu Make Builder" parallelBuildOn="true" parallelizationNumber="optimal" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.builder"/>
 							<tool id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.assembler.288747390" name="MCU GCC Assembler" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.assembler">
@@ -129,11 +129,11 @@
 				<configuration artifactExtension="elf" artifactName="${ProjName}" buildArtefactType="org.eclipse.cdt.build.core.buildArtefactType.exe" buildProperties="org.eclipse.cdt.build.core.buildArtefactType=org.eclipse.cdt.build.core.buildArtefactType.exe,org.eclipse.cdt.build.core.buildType=org.eclipse.cdt.build.core.buildType.release" cleanCommand="rm -rf" description="" id="com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.release.842072465" name="Release" parent="com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.release">
 					<folderInfo id="com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.release.842072465." name="/" resourcePath="">
 						<toolChain id="com.st.stm32cube.ide.mcu.gnu.managedbuild.toolchain.exe.release.628144182" name="MCU ARM GCC" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.toolchain.exe.release">
-							<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_mcu.2079728176" name="MCU" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_mcu" useByScannerDiscovery="true" value="STM32WL55JCIx" valueType="string"/>
+							<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_mcu.2079728176" name="MCU" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_mcu" useByScannerDiscovery="true" value="STM32WLE5CCUx" valueType="string"/>
 							<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_cpuid.467096959" name="CPU" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_cpuid" useByScannerDiscovery="false" value="0" valueType="string"/>
 							<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_coreid.1220095777" name="Core" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_coreid" useByScannerDiscovery="false" value="0" valueType="string"/>
-							<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_board.2109882892" name="Board" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_board" useByScannerDiscovery="false" value="NUCLEO-WL55JC1" valueType="string"/>
-							<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.defaults.239742593" name="Defaults" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.defaults" useByScannerDiscovery="false" value="com.st.stm32cube.ide.common.services.build.inputs.revA.1.0.5 || Release || false || Executable || com.st.stm32cube.ide.mcu.gnu.managedbuild.option.toolchain.value.workspace || NUCLEO-WL55JC1 || 0 || 0 || arm-none-eabi- || ${gnu_tools_for_stm32_compiler_path} || ../../Core/Inc | ../../LoRaWAN/Target | ../../../../../../../Utilities/misc | ../../../../../../../Middlewares/Third_Party/SubGHz_Phy | ../../../../../../../Utilities/lpm/tiny_lpm | ../../../../../../../Middlewares/Third_Party/SubGHz_Phy/stm32_radio_driver | ../../../../../../../Drivers/CMSIS/Device/ST/STM32WLxx/Include | ../../../../../../../Utilities/sequencer | ../../../../../../../Middlewares/Third_Party/LoRaWAN/LmHandler/Packages | ../../LoRaWAN/App | ../../../../../../../Middlewares/Third_Party/LoRaWAN/Mac/Region | ../../../../../../../Drivers/STM32WLxx_HAL_Driver/Inc | ../../../../../../../Drivers/STM32WLxx_HAL_Driver/Inc/Legacy | ../../../../../../../Utilities/trace/adv_trace | ../../../../../../../Drivers/BSP/STM32WLxx_Nucleo | ../../../../../../../Utilities/timer | ../../../../../../../Middlewares/Third_Party/LoRaWAN/Mac | ../../../../../../../Middlewares/Third_Party/LoRaWAN/Utilities | ../../../../../../../Middlewares/Third_Party/LoRaWAN/Crypto | ../../../../../../../Middlewares/Third_Party/LoRaWAN/LmHandler | ../../../../../../../Drivers/CMSIS/Include ||  ||  || USE_HAL_DRIVER | STM32WL55xx | CORE_CM4 ||  ||  ||  ||  || ${workspace_loc:/${ProjName}/STM32WL55JCIX_FLASH.ld} || true || NonSecure ||  || secure_nsclib.o ||  || None || " valueType="string"/>
+							<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_board.2109882892" name="Board" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_board" useByScannerDiscovery="false" value="YUNHORN-STS-WLE5Cx" valueType="string"/>
+							<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.defaults.239742593" name="Defaults" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.defaults" useByScannerDiscovery="false" value="com.st.stm32cube.ide.common.services.build.inputs.revA.1.0.5 || Release || false || Executable || com.st.stm32cube.ide.mcu.gnu.managedbuild.option.toolchain.value.workspace || NUCLEO-WL55JC1 || 0 || 0 || arm-none-eabi- || ${gnu_tools_for_stm32_compiler_path} || ../../Core/Inc | ../../LoRaWAN/Target | ../../../../../../../Utilities/misc | ../../../../../../../Middlewares/Third_Party/SubGHz_Phy | ../../../../../../../Utilities/lpm/tiny_lpm | ../../../../../../../Middlewares/Third_Party/SubGHz_Phy/stm32_radio_driver | ../../../../../../../Drivers/CMSIS/Device/ST/STM32WLxx/Include | ../../../../../../../Utilities/sequencer | ../../../../../../../Middlewares/Third_Party/LoRaWAN/LmHandler/Packages | ../../LoRaWAN/App | ../../../../../../../Middlewares/Third_Party/LoRaWAN/Mac/Region | ../../../../../../../Drivers/STM32WLxx_HAL_Driver/Inc | ../../../../../../../Drivers/STM32WLxx_HAL_Driver/Inc/Legacy | ../../../../../../../Utilities/trace/adv_trace | ../../../../../../../Drivers/BSP/STM32WLxx_Nucleo | ../../../../../../../Utilities/timer | ../../../../../../../Middlewares/Third_Party/LoRaWAN/Mac | ../../../../../../../Middlewares/Third_Party/LoRaWAN/Utilities | ../../../../../../../Middlewares/Third_Party/LoRaWAN/Crypto | ../../../../../../../Middlewares/Third_Party/LoRaWAN/LmHandler | ../../../../../../../Drivers/CMSIS/Include ||  ||  || USE_HAL_DRIVER | STM32WLE5xx | CORE_CM4 ||  ||  ||  ||  || ${workspace_loc:/${ProjName}/STM32WLE5CCUX_FLASH.ld} || true || NonSecure ||  || secure_nsclib.o ||  || None || " valueType="string"/>
 							<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.nanoscanffloat.1874218879" name="Use float with scanf from newlib-nano (-u _scanf_float)" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.nanoscanffloat" useByScannerDiscovery="false" value="false" valueType="boolean"/>
 							<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.nanoprintffloat.1776401448" name="Use float with printf from newlib-nano (-u _printf_float)" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.nanoprintffloat" useByScannerDiscovery="false" value="false" valueType="boolean"/>
 							<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.convertbinary.639397767" name="Convert to binary file (-O binary)" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.convertbinary" useByScannerDiscovery="false" value="true" valueType="boolean"/>