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/*
** Zabbix
** Copyright (C) 2001-2022 Zabbix SIA
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**/
#ifndef ZABBIX_SYSINFO_COMMON_MODBTYPE_H
#define ZABBIX_SYSINFO_COMMON_MODBTYPE_H
#include "zbxsysinfo.h"
extern int CONFIG_TIMEOUT;
#define ZBX_MODBUS_TCP_PORT_DEFAULT 502
#define ZBX_MODBUS_FUNCTION_EMPTY 0
#define ZBX_MODBUS_FUNCTION_COIL 1
#define ZBX_MODBUS_FUNCTION_DISCRETE_INPUT 2
#define ZBX_MODBUS_FUNCTION_HOLDING_REGISTERS 3
#define ZBX_MODBUS_FUNCTION_INPUT_REGISTERS 4
#define ZBX_MODBUS_SERIAL_PARAMS_PARITY_NONE 'N'
#define ZBX_MODBUS_SERIAL_PARAMS_PARITY_EVEN 'E'
#define ZBX_MODBUS_SERIAL_PARAMS_PARITY_ODD 'O'
#define ZBX_MODBUS_BYTE_SWAP_16(t_int16) (((t_int16 >> 8) & 0xFF) | ((t_int16 & 0xFF) << 8))
#define ZBX_MODBUS_32BE(t_int16) \
(((uint32_t)t_int16[0]) << 16) | t_int16[1]
#define ZBX_MODBUS_32MLE(t_int16) \
(((uint32_t)t_int16[1]) << 16) | t_int16[0]
#define ZBX_MODBUS_32MBE(t_int16) \
(((uint32_t)ZBX_MODBUS_BYTE_SWAP_16(t_int16[0])) << 16) | \
ZBX_MODBUS_BYTE_SWAP_16(t_int16[1])
#define ZBX_MODBUS_32LE(t_int16) \
(((uint32_t)ZBX_MODBUS_BYTE_SWAP_16(t_int16[1])) << 16) | \
ZBX_MODBUS_BYTE_SWAP_16(t_int16[0])
#define ZBX_MODBUS_64BE(t_int16) \
(((uint64_t)t_int16[0]) << 48) | \
(((uint64_t)t_int16[1]) << 32) | \
(((uint64_t)t_int16[2]) << 16) | t_int16[3]
#define ZBX_MODBUS_64MLE(t_int16) \
(((uint64_t)t_int16[3]) << 48) | \
(((uint64_t)t_int16[2]) << 32) | \
(((uint64_t)t_int16[1]) << 16) | t_int16[0]
#define ZBX_MODBUS_64MBE(t_int16) \
(((uint64_t)ZBX_MODBUS_BYTE_SWAP_16(t_int16[0])) << 48) | \
(((uint64_t)ZBX_MODBUS_BYTE_SWAP_16(t_int16[1])) << 32) | \
(((uint64_t)ZBX_MODBUS_BYTE_SWAP_16(t_int16[2])) << 16) | \
ZBX_MODBUS_BYTE_SWAP_16(t_int16[3])
#define ZBX_MODBUS_64LE(t_int16) \
(((uint64_t)ZBX_MODBUS_BYTE_SWAP_16(t_int16[3])) << 48) | \
(((uint64_t)ZBX_MODBUS_BYTE_SWAP_16(t_int16[2])) << 32) | \
(((uint64_t)ZBX_MODBUS_BYTE_SWAP_16(t_int16[1])) << 16) | \
ZBX_MODBUS_BYTE_SWAP_16(t_int16[0])
typedef enum
{
ZBX_MODBUS_PROTOCOL_TCP,
ZBX_MODBUS_PROTOCOL_RTU
} modbus_protocol_t;
typedef struct
{
char *ip;
char *port;
}
zbx_modbus_connection_tcp;
typedef struct
{
char *port;
int baudrate;
unsigned char data_bits;
unsigned char parity;
unsigned char stop_bits;
}
zbx_modbus_connection_serial;
typedef struct
{
modbus_protocol_t protocol;
union
{
zbx_modbus_connection_tcp tcp;
zbx_modbus_connection_serial serial;
} conn_info;
}
zbx_modbus_endpoint_t;
typedef enum
{
ZBX_MODBUS_DATATYPE_BIT,
ZBX_MODBUS_DATATYPE_INT8,
ZBX_MODBUS_DATATYPE_UINT8,
ZBX_MODBUS_DATATYPE_INT16,
ZBX_MODBUS_DATATYPE_UINT16,
ZBX_MODBUS_DATATYPE_INT32,
ZBX_MODBUS_DATATYPE_UINT32,
ZBX_MODBUS_DATATYPE_FLOAT,
ZBX_MODBUS_DATATYPE_UINT64,
ZBX_MODBUS_DATATYPE_DOUBLE
} modbus_datatype_t;
typedef enum
{
ZBX_MODBUS_ENDIANNESS_BE,
ZBX_MODBUS_ENDIANNESS_LE,
ZBX_MODBUS_ENDIANNESS_MBE,
ZBX_MODBUS_ENDIANNESS_MLE
} modbus_endianness_t;
int modbus_get(AGENT_REQUEST *request, AGENT_RESULT *result);
int zbx_init_modbus(char **error);
void zbx_deinit_modbus(void);
#endif /* ZABBIX_SYSINFO_COMMON_MODBTYPE_H */
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