b85a3e4a
 Peter M. Groen
Setting up workin...
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#pragma once
#include <stdint.h>
#include <termios.h>
#define _MODBUS_RTU_HEADER_LENGTH 1
#define _MODBUS_RTU_PRESET_REQ_LENGTH 6
#define _MODBUS_RTU_PRESET_RSP_LENGTH 2
#define _MODBUS_RTU_CHECKSUM_LENGTH 2
typedef struct _modbus_rtu
{
/* Device: "/dev/ttyS0", "/dev/ttyUSB0" or "/dev/tty.USA19*" on Mac OS X. */
char *device;
/* Bauds: 9600, 19200, 57600, 115200, etc */
int baud;
/* Data bit */
uint8_t data_bit;
/* Stop bit */
uint8_t stop_bit;
/* Parity: 'N', 'O', 'E' */
char parity;
/* Save old termios settings */
struct termios old_tios;
#if HAVE_DECL_TIOCSRS485
int serial_mode;
#endif
/* To handle many slaves on the same link */
int confirmation_to_ignore;
} modbus_rtu_t;
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