Struct SYN_ModbusMaster

ClassList > SYN_ModbusMaster

Modbus Master instance configuration & transaction state.

• #include <syn_modbus_master.h>

Public Attributes

Type	Name
uint8_t	buf
uint16_t	count
uint8_t	exception_code
uint8_t	func_code
uint32_t	last_byte_tick_ms
uint16_t	read_count
uint16_t	read_data
uint32_t	request_tick_ms
uint8_t	response_fc
uint16_t	rx_len
uint8_t	slave_addr
uint16_t	start_addr
SYN_ModbusMaster_State	state
uint32_t	timeout_ms
uint16_t	tx_len

Public Attributes Documentation

variable buf

uint8_t SYN_ModbusMaster::buf[256];

Frame buffer

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variable count

uint16_t SYN_ModbusMaster::count;

Register quantity / write value

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variable exception_code

uint8_t SYN_ModbusMaster::exception_code;

Exception code if error

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variable func_code

uint8_t SYN_ModbusMaster::func_code;

Active function code

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variable last_byte_tick_ms

uint32_t SYN_ModbusMaster::last_byte_tick_ms;

Tick of last received RX byte

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variable read_count

uint16_t SYN_ModbusMaster::read_count;

Number of registers read

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variable read_data

uint16_t SYN_ModbusMaster::read_data[125];

Received read data buffer

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variable request_tick_ms

uint32_t SYN_ModbusMaster::request_tick_ms;

Tick when request was dispatched

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variable response_fc

uint8_t SYN_ModbusMaster::response_fc;

Response function code

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variable rx_len

uint16_t SYN_ModbusMaster::rx_len;

Received response length

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variable slave_addr

uint8_t SYN_ModbusMaster::slave_addr;

Target slave address (1–247)

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variable start_addr

uint16_t SYN_ModbusMaster::start_addr;

Target register start address

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variable state

SYN_ModbusMaster_State SYN_ModbusMaster::state;

Master transaction state

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variable timeout_ms

uint32_t SYN_ModbusMaster::timeout_ms;

Response timeout limit in ms

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variable tx_len

uint16_t SYN_ModbusMaster::tx_len;

Transmitted request length

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The documentation for this class was generated from the following file src/syntropic/proto/syn_modbus_master.h