Master query structure: This includes all the necessary fields to make the Master generate a Modbus query. A Master may keep several of these structures and send them cyclically or use them according to program needs. More...

#include <ModbusRtu.h>

Public Attributes
uint16_t *	au16reg

bool	coilValue

uint8_t	flags

uint16_t	u16CoilsNo

uint16_t	u16RegAdd

uint8_t	u8fct

uint8_t	u8id

Detailed Description

Master query structure: This includes all the necessary fields to make the Master generate a Modbus query. A Master may keep several of these structures and send them cyclically or use them according to program needs.

Definition at line 67 of file ModbusRtu.h.

Member Data Documentation

◆ au16reg

uint16_t* modbus_t::au16reg

Pointer to memory image in master

Definition at line 73 of file ModbusRtu.h.

◆ coilValue

bool modbus_t::coilValue

Definition at line 75 of file ModbusRtu.h.

◆ flags

uint8_t modbus_t::flags

Definition at line 74 of file ModbusRtu.h.

◆ u16CoilsNo

uint16_t modbus_t::u16CoilsNo

Number of coils or registers to access

Definition at line 72 of file ModbusRtu.h.

◆ u16RegAdd

uint16_t modbus_t::u16RegAdd

Address of the first register to access at slave/s

Definition at line 71 of file ModbusRtu.h.

◆ u8fct

uint8_t modbus_t::u8fct

Function code: 1, 2, 3, 4, 5, 6, 15 or 16

Definition at line 70 of file ModbusRtu.h.

◆ u8id

uint8_t modbus_t::u8id

Slave address between 1 and 247. 0 means broadcast

Definition at line 69 of file ModbusRtu.h.

The documentation for this struct was generated from the following file:

ModbusRtu.h

Public Attributes