modbus Class Reference

Modbus Operator Class. More...

#include <modbus.hpp>

Collaboration diagram for modbus:

Public Member Functions
	modbus (const std::string &host, uint16_t port)
	modbus (const std::string &host)
	~modbus ()
bool	modbus_connect ()
void	modbus_close ()
void	modbus_set_slave_id (int id)
void	modbus_read_coils (int address, int amount, bool *buffer)
void	modbus_read_input_bits (int address, int amount, bool *buffer)
void	modbus_read_holding_registers (int address, int amount, uint16_t *buffer)
void	modbus_read_input_registers (int address, int amount, uint16_t *buffer)
void	modbus_write_coil (int address, bool to_write)
void	modbus_write_register (int address, uint16_t value)
void	modbus_write_coils (int address, int amount, bool *value)
void	modbus_write_registers (int address, int amount, uint16_t *value)

Private Member Functions
void	modbus_build_request (uint8_t *to_send, int address, int func)
void	modbus_read (int address, int amount, int func)
void	modbus_write (int address, int amount, int func, uint16_t *value)
ssize_t	modbus_send (uint8_t *to_send, int length)
ssize_t	modbus_receive (uint8_t *buffer)
void	modbus_error_handle (uint8_t *msg, int func)

Private Attributes
bool	_connected {false}
uint16_t	PORT {502}
int	_socket {0}
int	_msg_id {1}
int	_slaveid {1}
std::string	HOST
struct sockaddr_in	_server

Detailed Description

Modbus Operator Class.

Modbus Operator Class Providing networking support and mobus operation support.

Definition at line 63 of file modbus.hpp.

Constructor & Destructor Documentation

modbus() [1/2]

modbus::modbus	(	const std::string &	host,
		uint16_t	port
	)

Definition at line 6 of file modbus.cpp.

modbus() [2/2]

modbus::modbus ( const std::string &  host )

explicit

Definition at line 10 of file modbus.cpp.

~modbus()

modbus::~modbus

(

void

)

Definition at line 12 of file modbus.cpp.

Member Function Documentation

modbus_build_request()

void modbus::modbus_build_request ( uint8_t *  to_send, int  address, int  func  )

private

Definition at line 54 of file modbus.cpp.

References _msg_id, and _slaveid.

Referenced by modbus_read(), and modbus_write().

modbus_close()

void modbus::modbus_close

(

)

Definition at line 49 of file modbus.cpp.

References _socket.

Referenced by MagAOX::app::xt1121Ctrl::appShutdown().

modbus_connect()

bool modbus::modbus_connect

(

)

Definition at line 19 of file modbus.cpp.

References _connected, _server, _socket, HOST, and PORT.

Referenced by MagAOX::app::xt1121Ctrl::appLogic().

modbus_error_handle()

void modbus::modbus_error_handle ( uint8_t *  msg, int  func  )

private

Definition at line 281 of file modbus.cpp.

References EX_ACKNOWLEDGE, EX_GATEWAY_PROBLEMP, EX_GATEWYA_PROBLEMF, EX_ILLEGAL_ADDRESS, EX_ILLEGAL_FUNCTION, EX_ILLEGAL_VALUE, EX_SERVER_BUSY, and EX_SERVER_FAILURE.

Referenced by modbus_read_coils(), modbus_read_holding_registers(), modbus_read_input_bits(), modbus_read_input_registers(), modbus_write_coil(), modbus_write_coils(), modbus_write_register(), and modbus_write_registers().

modbus_read()

void modbus::modbus_read ( int  address, int  amount, int  func  )

private

Definition at line 100 of file modbus.cpp.

References modbus_build_request(), and modbus_send().

Referenced by modbus_read_coils(), modbus_read_holding_registers(), modbus_read_input_bits(), and modbus_read_input_registers().

modbus_read_coils()

void modbus::modbus_read_coils	(	int	address,
		int	amount,
		bool *	buffer
	)

Definition at line 153 of file modbus.cpp.

References _connected, MAX_MSG_LENGTH, modbus_error_handle(), modbus_read(), modbus_receive(), and READ_COILS.

modbus_read_holding_registers()

void modbus::modbus_read_holding_registers	(	int	address,
		int	amount,
		uint16_t *	buffer
	)

Definition at line 109 of file modbus.cpp.

References _connected, MAX_MSG_LENGTH, modbus_error_handle(), modbus_read(), modbus_receive(), and READ_REGS.

modbus_read_input_bits()

void modbus::modbus_read_input_bits	(	int	address,
		int	amount,
		bool *	buffer
	)

Definition at line 174 of file modbus.cpp.

References _connected, MAX_MSG_LENGTH, modbus_error_handle(), modbus_read(), modbus_receive(), and READ_INPUT_BITS.

modbus_read_input_registers()

void modbus::modbus_read_input_registers	(	int	address,
		int	amount,
		uint16_t *	buffer
	)

Definition at line 131 of file modbus.cpp.

References _connected, MAX_MSG_LENGTH, modbus_error_handle(), modbus_read(), modbus_receive(), and READ_INPUT_REGS.

Referenced by MagAOX::app::xt1121Ctrl::getState().

modbus_receive()

ssize_t modbus::modbus_receive ( uint8_t *  buffer )

private

Definition at line 277 of file modbus.cpp.

References _socket, and MAX_MSG_LENGTH.

Referenced by modbus_read_coils(), modbus_read_holding_registers(), modbus_read_input_bits(), modbus_read_input_registers(), modbus_write_coil(), modbus_write_coils(), modbus_write_register(), and modbus_write_registers().

modbus_send()

ssize_t modbus::modbus_send ( uint8_t *  to_send, int  length  )

private

Definition at line 272 of file modbus.cpp.

References _msg_id, and _socket.

Referenced by modbus_read(), and modbus_write().

modbus_set_slave_id()

void modbus::modbus_set_slave_id

(

int

id

)

Definition at line 15 of file modbus.cpp.

References _slaveid.

Referenced by MagAOX::app::xt1121Ctrl::appLogic().

modbus_write()

void modbus::modbus_write ( int  address, int  amount, int  func, uint16_t *  value  )

private

Definition at line 66 of file modbus.cpp.

References modbus_build_request(), modbus_send(), WRITE_COIL, WRITE_COILS, WRITE_REG, and WRITE_REGS.

Referenced by modbus_write_coil(), modbus_write_coils(), modbus_write_register(), and modbus_write_registers().

modbus_write_coil()

void modbus::modbus_write_coil	(	int	address,
		bool	to_write
	)

Definition at line 195 of file modbus.cpp.

References _connected, MAX_MSG_LENGTH, modbus_error_handle(), modbus_receive(), modbus_write(), and WRITE_COIL.

modbus_write_coils()

void modbus::modbus_write_coils	(	int	address,
		int	amount,
		bool *	value
	)

Definition at line 232 of file modbus.cpp.

References _connected, MAX_MSG_LENGTH, modbus_error_handle(), modbus_receive(), modbus_write(), and WRITE_COILS.

modbus_write_register()

void modbus::modbus_write_register	(	int	address,
		uint16_t	value
	)

Definition at line 214 of file modbus.cpp.

References _connected, MAX_MSG_LENGTH, modbus_error_handle(), modbus_receive(), modbus_write(), WRITE_COIL, and WRITE_REG.

modbus_write_registers()

void modbus::modbus_write_registers	(	int	address,
		int	amount,
		uint16_t *	value
	)

Definition at line 254 of file modbus.cpp.

References _connected, MAX_MSG_LENGTH, modbus_error_handle(), modbus_receive(), modbus_write(), and WRITE_REGS.

Referenced by MagAOX::app::xt1121Ctrl::channelSetCallback().

Member Data Documentation

_connected

bool modbus::_connected {false}

private

Definition at line 65 of file modbus.hpp.

Referenced by modbus_connect(), modbus_read_coils(), modbus_read_holding_registers(), modbus_read_input_bits(), modbus_read_input_registers(), modbus_write_coil(), modbus_write_coils(), modbus_write_register(), and modbus_write_registers().

_msg_id

int modbus::_msg_id {1}

private

Definition at line 68 of file modbus.hpp.

Referenced by modbus_build_request(), and modbus_send().

_server

struct sockaddr_in modbus::_server

private

Definition at line 71 of file modbus.hpp.

Referenced by modbus_connect().

_slaveid

int modbus::_slaveid {1}

private

Definition at line 69 of file modbus.hpp.

Referenced by modbus_build_request(), and modbus_set_slave_id().

_socket

int modbus::_socket {0}

private

Definition at line 67 of file modbus.hpp.

Referenced by modbus_close(), modbus_connect(), modbus_receive(), and modbus_send().

HOST

std::string modbus::HOST

private

Definition at line 70 of file modbus.hpp.

Referenced by modbus_connect().

PORT

uint16_t modbus::PORT {502}

private

Definition at line 66 of file modbus.hpp.

Referenced by modbus_connect().

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The documentation for this class was generated from the following files:

• libMagAOX/modbus/modbus.hpp
• libMagAOX/modbus/modbus.cpp