modbus::constants namespace

#include <modbuscpp/details/constants.hpp>

Enums

enum class function_code: std::uint8_t { min = 0x00, read_coils = 0x01, read_discrete_inputs = 0x02, read_holding_registers = 0x03, read_input_registers = 0x04, write_single_coil = 0x05, write_single_register = 0x06, read_exception_status = 0x07, diagnostics = 0x08, write_multiple_coils = 0x0F, write_multiple_registers = 0x10, read_file_record = 0x14, write_file_record = 0x15, mask_write_register = 0x16, read_write_multiple_registers = 0x17, read_fifo_queue = 0x18, encapsulated_interface_transport = 0x2B, max = 0x2C }

is a strongly typed enum class representing the function of Modbus

enum class exception_code: std::uint8_t { min = 0x00, illegal_function = 0x01, illegal_data_address, illegal_data_value, server_device_failure, acknowledge, server_device_busy, negative_acknowledge, memory_parity_error, undef, gateway_path_unavailable, gateway_target_device_failed_to_respond, bad_data, bad_data_size, connection_problem, bad_exception, no_exception, max }

is a strongly typed enum class representing the exception of Modbus and internal lib

Variables

static std::uint16_t max_adu_length constexpr

static std::uint16_t tcp_protocol constexpr

static std::uint16_t max_num_bits_read constexpr

static std::uint16_t max_num_regs_read constexpr

static std::uint16_t max_num_bits_write constexpr

static std::uint16_t max_num_regs_write constexpr

static std::uint16_t max_address constexpr

Enum documentation