// Configuration
//#define XONXOFF
#define XON 0x11  //!< XON flow control character
#define XOFF 0x13 //!< XOFF flow control character
#define SEARCH "tty"
//#define TRY_TO_OPEN_PORTS
#define TIMEOUT 2
// Setup
int serialOpen(const char *port, unsigned int baud);
void serialClose(int fd);
char **getSerialPorts(void);
// Raw, non-blocking I/O
unsigned int serialReadRaw(int fd, char *data, int length);
unsigned int serialWriteRaw(int fd, const char *data, int length);
void serialWaitUntilSent(int fd);
// Blocking I/O
int serialHasChar(int fd);
void serialReadChar(int fd, char *c);
void serialWriteChar(int fd, char c);
void serialWriteString(int fd, const char *s);