diff -r 5b1e0b384d31 -r 86f099bda525 lib/keypad/Keypad.h
--- a/lib/keypad/Keypad.h	Sun Aug 30 22:53:15 2020 +0200
+++ b/lib/keypad/Keypad.h	Thu Oct 15 01:11:03 2020 +0200
@@ -3,7 +3,7 @@
 #define KEYPAD_H
 
 #include "mbed.h"
-#include "rtos.h"
+//#include "rtos.h"
 #include <vector>
 
 
@@ -15,18 +15,18 @@
   Keypad(uint8_t nRows, DigitalIn rows[],
 	 uint8_t nColumns, DigitalOut cols[],
 	 int debounce_ms=20);
-    
+
   /** Destructor
    */
   ~Keypad();
-  
+
   void attach(const keyevent_callback_t& kp_callback=NULL,
 	      const keyevent_callback_t& kr_callback=NULL);
-  
+
   void start(void);
   void stop(void);
-  
-  
+
+
 protected:
   std::vector<DigitalIn> _rows;
   std::vector<DigitalOut> _columns;
@@ -37,7 +37,7 @@
   void _keyPressed(int row);
   void _keyReleased(int row);
   void run();
-  
+
 private:
   keyevent_callback_t _kp_callback;
   keyevent_callback_t _kr_callback;