Serial.h

#pragma once
 
#include <stddef.h>
 
class Serial {
public:
        Serial();
        ~Serial();
        int setup(const char* device, unsigned int speed);
        int read(char* buf, size_t len, int timeoutMs = -1);
        int write(const char* buf, size_t len = -1);
        void cleanup();
private:
        static unsigned int speedToBaudRate(unsigned int speed);
        void setMinCount(int mcount);
        int setInterfaceAttribs(unsigned int speed);
        int fd;
};