Struct SYN_Modbus_Config¶

Modbus RTU slave configuration.

#include <syn_modbus.h>

Public Attributes¶

Type	Name
uint8_t *	coils
uint16_t	coils_count
const SYN_Modbus_DeviceInfo *	device_info
uint16_t	discrete_count
uint8_t *	discrete_inputs
uint8_t	exception_status
uint16_t	fifo_count
const uint16_t *	fifo_queue
void *	file_cb_ctx
uint16_t	holding_count
uint16_t *	holding_regs
uint16_t	input_count
uint16_t *	input_regs
SYN_Modbus_ReadFileRecordCallback	on_read_file
SYN_Modbus_WriteCallback	on_write
void *	on_write_ctx
SYN_Modbus_WriteFileRecordCallback	on_write_file
const uint8_t *	server_id
uint8_t	server_id_len
uint32_t	silence_ms
uint8_t	slave_addr
SYN_UARTInstance	uart

Public Attributes Documentation¶

variable coils¶

uint8_t* SYN_Modbus_Config::coils;

Read/write coils (1 byte = 8 bits)

variable coils_count¶

uint16_t SYN_Modbus_Config::coils_count;

Total number of coil bits

variable device_info¶

const SYN_Modbus_DeviceInfo* SYN_Modbus_Config::device_info;

Device Info for FC 0x2B/0x0E

variable discrete_count¶

uint16_t SYN_Modbus_Config::discrete_count;

Total discrete input bits

variable discrete_inputs¶

uint8_t* SYN_Modbus_Config::discrete_inputs;

Read-only discrete inputs (1 byte = 8 bits)

variable exception_status¶

uint8_t SYN_Modbus_Config::exception_status;

Status byte for FC 0x07

variable fifo_count¶

uint16_t SYN_Modbus_Config::fifo_count;

Number of elements in FIFO

variable fifo_queue¶

const uint16_t* SYN_Modbus_Config::fifo_queue;

Pointer to FIFO queue elements

variable file_cb_ctx¶

void* SYN_Modbus_Config::file_cb_ctx;

Context for file callbacks

variable holding_count¶

uint16_t SYN_Modbus_Config::holding_count;

Number of holding registers

variable holding_regs¶

uint16_t* SYN_Modbus_Config::holding_regs;

Read/write holding registers

variable input_count¶

uint16_t SYN_Modbus_Config::input_count;

Number of input registers

variable input_regs¶

uint16_t* SYN_Modbus_Config::input_regs;

Read-only input registers

variable on_read_file¶

SYN_Modbus_ReadFileRecordCallback SYN_Modbus_Config::on_read_file;

File read callback FC 0x14

variable on_write¶

SYN_Modbus_WriteCallback SYN_Modbus_Config::on_write;

Write pre-check callback

variable on_write_ctx¶

void* SYN_Modbus_Config::on_write_ctx;

Context for on_write

variable on_write_file¶

SYN_Modbus_WriteFileRecordCallback SYN_Modbus_Config::on_write_file;

File write callback FC 0x15

variable server_id¶

const uint8_t* SYN_Modbus_Config::server_id;

Server ID bytes for FC 0x11 (NULL = "SYN-MB")

variable server_id_len¶

uint8_t SYN_Modbus_Config::server_id_len;

Length of server_id bytes (max 240)

variable silence_ms¶

uint32_t SYN_Modbus_Config::silence_ms;

Custom inter-frame silence gap in ms (0 = default 5ms)

variable slave_addr¶

uint8_t SYN_Modbus_Config::slave_addr;

Modbus slave address (1–247)

variable uart¶

SYN_UARTInstance SYN_Modbus_Config::uart;

UART instance to use

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