diff --git a/common/gpio/gpioDefinitions.h b/common/gpio/gpioDefinitions.h
index 3b0f70f..66c0b00 100644
--- a/common/gpio/gpioDefinitions.h
+++ b/common/gpio/gpioDefinitions.h
@@ -7,6 +7,12 @@
 using gpioId_t = uint16_t;
 
 namespace gpio {
+
+enum Levels {
+    LOW = 0,
+    HIGH = 1
+};
+
 enum Direction {
     IN = 0,
     OUT = 1