rs232.h

A serial programming source code for linux

/* DELAY AFTER APPLYING SERIAL DEVICE SETTINGS */
#define INIT_DELAY 100000  /* uSec */

/* MAXIMUM STRING LENGTHS */
#define MAXREADCHARS 1024
#define MAXSENDCHARS 512
#define MAXFILECHARS 16

/* BOOLEAN DEFINITIONS */
#define TRUE  (1==1)
#define FALSE (0==1)
#define ON     TRUE
#define OK     TRUE
#define OFF    FALSE
#define ERROR  FALSE
#define IGNORE FALSE

/* EXIT CODES */
#define EXIT_OK      0
#define EXIT_ERROR  -1
#define EXIT_INTRPT 10

typedef enum dispMode {
   ASCII_ONLY, HEX_ONLY, BOTH
} tDispMode;

typedef struct {
   char *device;
   int baudrate;
   int databits;
   char parity;
   int stopbits;
   int xonxoff;
   int rtscts;
} tCommParms;

typedef struct {
   int   write;
   int   read;
   int   readlength;
   int   mdln;
   char  *sendstring;
   float wait;
   float pause;
   int   msec;
} tCmdParms;

typedef struct {
   int   wrap;
   int   wraplen;
   int   trim;
   int   trimlen;
   int   lf;
   tDispMode hex;
} tOutParms;

typedef struct {
   int dtr;
   int rts;
} tMdLines;

typedef struct {
   char *name;
   char ver;
   int  info;
   int  debug;
   int  rndm;
} tProgParms;

typedef int tRS232; /* serial device handle */

extern void   rs232_main  (tCommParms *, tCmdParms *, tMdLines *, 
			   tProgParms *, tOutParms *);
extern tRS232 rs232_open  (char const *, int);
extern int    rs232_init  (tRS232, tCommParms *, int);
extern int    rs232_mdlns (tRS232, tMdLines *, int);
extern int    rs232_send  (tRS232, char *, float, int, int);
extern void   rs232_wait  (float, int, int);
extern char   *rs232_read (tRS232, char *, int, int);
extern int    rs232_close (tRS232);
extern void   Abort       (tRS232);
extern float  ck_atof     (char const *);

extern char   *strhandler (int, int);