diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..f18efc9
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,91 @@
+# ============================================================
+# Code Composer Studio workspace files
+# ============================================================
+
+.metadata/
+RemoteSystemsTempFiles/
+dvt/
+.jxbrowser-data/
+
+# CCS-generated temporary project information
+**/.xdchelp
+**/.config/
+**/.launches/
+
+# CCS Theia / language-server caches
+**/.cache/
+**/.clangd/
+**/compile_commands.json
+
+
+# ============================================================
+# CCS build configurations
+# ============================================================
+
+**/Debug/
+**/Release/
+
+# Common C2000 build configuration names
+**/RAM/
+**/FLASH/
+**/Flash/
+**/CPU1_RAM/
+**/CPU1_FLASH/
+**/CPU2_RAM/
+**/CPU2_FLASH/
+
+
+# ============================================================
+# TI C2000 compiler and linker outputs
+# ============================================================
+
+*.obj
+*.out
+*.map
+*.hex
+*.bin
+*.elf
+
+*.d
+*.dep
+*.pp
+*.lst
+*.listing
+*.opt
+
+# Code-generation and coverage artifacts
+*.gcda
+*.gcno
+*.profraw
+*.profdata
+
+
+# ============================================================
+# Operating-system and editor files
+# ============================================================
+
+# macOS
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Windows
+Thumbs.db
+Desktop.ini
+
+# Editors
+*.swp
+*.swo
+*~
+.vscode/
+.idea/
+
+
+# ============================================================
+# Logs and temporary files
+# ============================================================
+
+*.log
+*.tmp
+*.temp
+*.bak
diff --git a/gpio_driverlib_cpu1/gpio_driverlib_cpu1.c b/gpio_driverlib_cpu1/gpio_driverlib_cpu1.c
index 6484fcf..604aecb 100644
--- a/gpio_driverlib_cpu1/gpio_driverlib_cpu1.c
+++ b/gpio_driverlib_cpu1/gpio_driverlib_cpu1.c
@@ -29,10 +29,8 @@ void main(void){
     // gpio-22
     GPIO_setPadConfig(22, GPIO_PIN_TYPE_STD);
     GPIO_setDirectionMode(22, GPIO_DIR_MODE_OUT);
-    GPIO_writePin(22, 1);
-    
-    //GPIO_setControllerCore(22, GPIO_CoreSelect core)
-    
+    GPIO_setControllerCore(22, GPIO_CORE_CPU1); //CPU1 selected as controller core
+    GPIO_writePin(22, 1);  
 
     // gpio-97:
     GPIO_setPadConfig(97, GPIO_PIN_TYPE_STD);