diff --git a/.settings/language.settings.xml b/.settings/language.settings.xml
index 24ae69c..fc36963 100644
--- a/.settings/language.settings.xml
+++ b/.settings/language.settings.xml
@@ -5,7 +5,7 @@
 			<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
 			<provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
 			<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
-			<provider class="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" console="false" env-hash="-1247772646882860514" id="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" keep-relative-paths="false" name="MCU ARM GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
+			<provider class="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" console="false" env-hash="415990467709285895" id="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" keep-relative-paths="false" name="MCU ARM GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
 				<language-scope id="org.eclipse.cdt.core.gcc"/>
 				<language-scope id="org.eclipse.cdt.core.g++"/>
 			</provider>
@@ -16,7 +16,7 @@
 			<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
 			<provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
 			<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
-			<provider class="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" console="false" env-hash="-1247772646882860514" id="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" keep-relative-paths="false" name="MCU ARM GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
+			<provider class="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" console="false" env-hash="415990467709285895" id="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" keep-relative-paths="false" name="MCU ARM GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
 				<language-scope id="org.eclipse.cdt.core.gcc"/>
 				<language-scope id="org.eclipse.cdt.core.g++"/>
 			</provider>
diff --git a/Core/Src/main.c b/Core/Src/main.c
index ee89af5..856c67c 100644
--- a/Core/Src/main.c
+++ b/Core/Src/main.c
@@ -32,7 +32,7 @@ int main(void)
   HAL_GPIO_WritePin(GPIOA, LR_OUT_Pin, GPIO_PIN_RESET);
   HAL_GPIO_WritePin(GPIOA, RL_OUT_Pin, GPIO_PIN_RESET);
 //  uint8_t slave_present = HAL_GPIO_ReadPin(GPIOA, Slave_Detect_Pin);
-
+//
 //   if(slave_present == TRUE)
 //   {
 // 	  HAL_GPIO_WritePin(Last_Node_Switch_GPIO_Port, feed_back_Pin, GPIO_PIN_RESET);
@@ -46,21 +46,21 @@ int main(void)
   {
 
 
-//    feed_back_present = HAL_GPIO_ReadPin(GPIOA, feed_back_Pin);
-//    if(feed_back_present == TRUE) {
-//      RL_mode = TRUE;
-//    }
-//    else {
-//      RL_mode = FALSE;
-//    }
-//
-//    slave_master = HAL_GPIO_ReadPin(GPIOA, RL_OUT_Pin);
-//    if(slave_master == TRUE) {
-//      LR_mode = TRUE;
-//    }
-//    else {
-//      LR_mode = FALSE;
-//    }
+   bool  feed_back_present = HAL_GPIO_ReadPin(GPIOA, feed_back_Pin);
+    if(feed_back_present == TRUE) {
+      LR_mode = TRUE;
+    }
+    else {
+      LR_mode = FALSE;
+    }
+
+   bool  slave_master = HAL_GPIO_ReadPin(GPIOA, RL_OUT_Pin);
+    if(slave_master == TRUE) {
+      RL_mode = TRUE;
+    }
+    else {
+      RL_mode = FALSE;
+    }
 
 //    / Update LED states based on current mode /
     if(AMBERFLASH_mode) {
@@ -85,7 +85,7 @@ int main(void)
       HAL_GPIO_WritePin(GPIOA, Amber_LED_OUT_Pin, GPIO_PIN_RESET);
       HAL_GPIO_WritePin(GPIOA, Red_LED_OUT_Pin, GPIO_PIN_RESET);
       HAL_GPIO_WritePin(GPIOA, LR_OUT_Pin, GPIO_PIN_RESET);
-//      HAL_GPIO_WritePin(GPIOA, RL_OUT_Pin, GPIO_PIN_SET); this line was to check whether the interrupt is working  fine or not
+      HAL_GPIO_WritePin(GPIOA, RL_OUT_Pin, GPIO_PIN_SET); 	//this line was to check whether the interrupt is working  fine or not
 
 // updated section here the mode is changed to output since the slave acts as origin of input
 
@@ -188,7 +188,7 @@ static void MX_GPIO_Init(void)
 
 }
 
-/// USER CODE BEGIN 4 /
+
 void HAL_GPIO_EXTI_Rising_Callback(uint16_t GPIO_Pin)
 {
   if (GPIO_Pin == Red_IN_Pin) {