serialios.h

#ifndef _AVRIO_SERIAL_IOS_H_
#define _AVRIO_SERIAL_IOS_H_

#include <avrio/defs.h>
__BEGIN_C_DECLS
/* ========================================================================== */

/* constants ================================================================ */
#define EBADBAUD (-2)

typedef enum {
  SERIAL_DATABIT_5 = 5,
  SERIAL_DATABIT_6 = 6,
  SERIAL_DATABIT_7 = 7,
  SERIAL_DATABIT_8 = 8,
  SERIAL_DATABIT_9 = 9,
  SERIAL_DATABIT_UNKNOWN = -1
} eSerialDataBits;

typedef enum {
  SERIAL_PARITY_NONE = 'N',
  SERIAL_PARITY_EVEN = 'E',
  SERIAL_PARITY_ODD  = 'O',
  SERIAL_PARITY_SPACE = 'S',
  SERIAL_PARITY_MARK = 'M',
  SERIAL_PARITY_UNKNOWN = -1
} eSerialParity;

typedef enum {
  SERIAL_STOPBIT_ONE = 1,
  SERIAL_STOPBIT_TWO = 2,
  SERIAL_STOPBIT_ONEHALF = 3,
  SERIAL_STOPBIT_UNKNOWN
} eSerialStopBits;

typedef enum {

  SERIAL_FLOW_NONE = ' ',
  SERIAL_FLOW_RTSCTS = 'H',
  SERIAL_FLOW_XONXOFF = 'S',
  SERIAL_FLOW_UNKNOWN = -1
} eSerialFlow;

/* constants ================================================================ */
#define  SERIAL_BINARY  0 
#define  SERIAL_CR      0x0D 
#define  SERIAL_LF      0x0A 
#define  SERIAL_CRLF    (SERIAL_CR + SERIAL_LF) 
/* structures =============================================================== */

typedef struct xSerialIos {
  long baud; 
  eSerialDataBits dbits; 
  eSerialParity parity; 
  eSerialStopBits sbits;
  eSerialFlow flow;
  char eol; 
} xSerialIos;

#define SERIAL_SETTINGS(b) { \
  .baud = b, .dbits = SERIAL_DATABIT_8, .parity = SERIAL_PARITY_NONE, \
  .sbits = SERIAL_STOPBIT_ONE, .flow = SERIAL_FLOW_NONE, .eol =  SERIAL_CRLF }

/* ========================================================================== */
__END_C_DECLS
#endif /* _AVRIO_SERIAL_IOS_H_ */