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Club Amiga de Montreal - CAM
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199.lha
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GimmeLib
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communic.h
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C/C++ Source or Header
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1988-12-27
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2KB
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55 lines
#ifndef GIMMELIB_COMMUNIC_H
#define GIMMELIB_COMMUNIC_H
#ifdef I_AM_COMMUNIC
/* internal constants */
#ifndef MILLION
#define MILLION 1000000L
#endif
#define SMALL_SECS 0L /* "small" time-out */
#define SMALL_MICROS (MILLION / 2)
#define BIG_SECS 2L /* "large" time-out */
#define BIG_MICROS 0L
#define DEFAULT_EOL 0x0d /* CR */
#endif I_AM_COMMUNIC
/* Constants used for setup parameters */
#define C_SER_7 1 /* 7 wire handshaking */
#define C_SER_3 2 /* 3 wire XON/XOFF handshaking */
#define C_NO_PARITY 1 /* No parity */
#define C_EVEN_PARITY 2 /* Even parity */
#define C_ODD_PARITY 3 /* Odd parity */
/* Setup parameter structure */
typedef struct c_parameters {
WORD C_MODE; /* Mode of communications to be used */
WORD C_BAUD;
WORD C_STOP;
WORD C_PARITY;
WORD C_RLEN;
WORD C_WLEN;
} SERPARMS;
/* Error Condition values */
#define C_ERR_OK 0 /* No error occured */
#define C_ERR_INITIAL 1 /* System not initialized */
#define C_ERR_OPEN 2 /* Channel already opened */
#define C_ERR_CANT 3 /* Can't open channel */
#define C_ERR_PARAMS 4 /* Can't set parameters as specified */
#define C_ERR_CHAN 5 /* Channel not open */
#define C_ERR_GET 6 /* Timeout before character recieved */
#define C_ERR_PUT 7 /* Can't send character */
#define C_ERR_PARITY 8 /* Parity specified is not valid */
#define C_ERR_ILLEGAL 9 /* Illegal length parameter for get/put s */
#define C_ERR_BADPARM 10 /* Invalid parameter given to routine */
#ifndef I_AM_COMMUNIC
extern short c_error; /* error number of last communic routine */
#endif !I_AM_COMMUNIC
#endif !GIMMELIB_COMMUNIC_H