500c015a
 Peter M. Groen
Setting up workin...
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/*
* Copyright © 2001-2011 Stéphane Raimbault <stephane.raimbault@gmail.com>
*
* SPDX-License-Identifier: LGPL-2.1+
*/
#ifndef MODBUS_RTU_PRIVATE_H
#define MODBUS_RTU_PRIVATE_H
#ifndef _MSC_VER
#include <stdint.h>
#else
#include "stdint.h"
#endif
#if defined(_WIN32)
#include <windows.h>
#else
#include <termios.h>
#endif
#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
#if defined(_WIN32)
#if !defined(ENOTSUP)
#define ENOTSUP WSAEOPNOTSUPP
#endif
/* WIN32: struct containing serial handle and a receive buffer */
#define PY_BUF_SIZE 512
struct win32_ser {
/* File handle */
HANDLE fd;
/* Receive buffer */
uint8_t buf[PY_BUF_SIZE];
/* Received chars */
DWORD n_bytes;
};
#endif /* _WIN32 */
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;
#if defined(_WIN32)
struct win32_ser w_ser;
DCB old_dcb;
#else
/* Save old termios settings */
struct termios old_tios;
#endif
#if HAVE_DECL_TIOCSRS485
int serial_mode;
#endif
//***Not part of libmodbus - added for QModMaster***//
#if defined(_WIN32) || HAVE_DECL_TIOCM_RTS
int rts;
int rts_delay;
int onebyte_time;
void (*set_rts) (modbus_t *ctx, int on);
#endif
/* To handle many slaves on the same link */
int confirmation_to_ignore;
} modbus_rtu_t;
#endif /* MODBUS_RTU_PRIVATE_H */
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