corridor_control/fan_control/include/serial.hpp

#include <Arduino.h>
#include <list>

class WsSerial{
    std::list<String> debug;

    public:
    inline void println(const String& line){
        // enable debug the debugging 
        Serial.println(line.c_str()); 
        if(debug.size() > 100 ) debug.pop_back();
        debug.push_front(line); 
        }
    inline void println(const float num){ println(String(num)) ; };

    inline const String& first(){ return debug.front();};
    inline void pop(){ return debug.pop_front();};
    inline bool empty(){ return debug.empty();};
    inline void clear(){ debug.clear();}
};

extern WsSerial debug_out;

#if(false)
#define DEBUG_OUT Serial
#define DEBUG_SERIAL true
#else
#define DEBUG_SERIAL false
#define DEBUG_OUT debug_out
#endif