first approach with sensor controlled led sequence

include/pwm.h

@@ -2,6 +2,9 @@
 
 #include "PCA9685.h"
 
+#define SENSOR1 15
+#define SENSOR2 12
+
 class Treppe {
     private:
     uint8_t stairs;
@@ -10,8 +13,10 @@ class Treppe {
     uint16_t active_brightness = 2048;
 
     uint8_t direction = 0;
+    uint8_t switch_direction = 0;
     uint8_t state = 0;
     uint8_t switch_state = 0;
+    uint8_t finish = 1;
 
     // initialize with i2c-Address 0, use Wire Library
     PCA9685 pwmController;