Ядро Modbus протокола - определения и структуры More...

#include "modbus_config.h"
#include "modbus_data.h"
#include "__crc_algs.h"
#include "__modbus_compat.h"

Include dependency graph for modbus_core.h:

This graph shows which files directly or indirectly include this file:

Classes
struct	MB_DevIdMsgTypeDef
	Structure for device identifications message type. More...
struct	RS_MsgTypeDef
	Structure for modbus messsage. More...

Macros
#define	TransactionID_size 2
	size of (Transaction ID)
#define	ProtocolID_size 2
	size of (Protocol ID)
#define	PDULength_size 2
	size of (PDU Length)
#define	MbAddr_SIZE 1
	size of (Slave Addr)
#define	Func_Code_SIZE 1
	size of (Function Code)
#define	Addr_SIZE 2
	size of (Address)
#define	Qnt_SIZE 2
	size of (Quantity)
#define	ByteCnt_SIZE 1
	size of (Byte Count)
#define	DATA_SIZE 125
	maximum number of data: DWORD (NOT MESSAGE SIZE)
#define	CRC_SIZE 2
	size of (MbCRC) in bytes
#define	INFO_SIZE_MAX (MbAddr_SIZE+Func_Code_SIZE+Addr_SIZE+Qnt_SIZE+ByteCnt_SIZE)
	Size of whole RTU message.
#define	RX_FIRST_PART_SIZE INFO_SIZE_MAX
	Size of first part of message that will be received first receive info part of message, than defines size of rest message.
#define	MSG_SIZE_MAX (INFO_SIZE_MAX + DATA_SIZE*2 + CRC_SIZE)
	Size of buffer: max size of whole message.
#define	FC_ERR_VALUES_START 0x80U
	from this value starts error func codes
#define	MB_Set_Arr16_Ptr(_arr_)
	Macros to set pointer to 16-bit array.
#define	MB_Set_Register_Ptr(_parr_, _addr_)
	Macros to set pointer to register.
#define	MB_Set_Coil_Reg_Ptr(_parr_, _coil_)
	Макрос для установки указателя на регистр, содержащий запрашиваемый коил
#define	MB_Set_Coil_Mask(_coil_)
	Макрос для установки маски, чтобы выделить запрашиваемый коил из регистра
#define	RegisterType_Holding 0
#define	RegisterType_Input 1
#define	RegisterType_Discrete 2

Enumerations
enum	MB_ExceptionTypeDef { ET_NO_ERRORS = 0x00 , ET_ILLEGAL_FUNCTION = 0x01 , ET_ILLEGAL_DATA_ADDRESS = 0x02 , ET_ILLEGAL_DATA_VALUE = 0x03 , ET_SLAVE_DEVICE_FAILURE = 0x04 }
	Enum for modbus exception codes. More...
enum	MB_FunctonTypeDef { FC_R_COILS = 0x01 , FC_R_DISC_IN = 0x02 , FC_R_HOLD_REGS = 0x03 , FC_R_IN_REGS = 0x04 , FC_W_COIL = 0x05 , FC_W_HOLD_REG = 0x06 , FC_W_COILS = 0x0F , FC_W_HOLD_REGS = 0x10 , FC_R_DIAGNOSTICS = 0x08 , FC_R_DEVICE_ID = 0x2B , FC_ERR_R_COILS = FC_R_COILS + FC_ERR_VALUES_START , FC_ERR_R_DISC_IN = FC_R_DISC_IN + FC_ERR_VALUES_START , FC_ERR_R_IN_REGS = FC_R_IN_REGS + FC_ERR_VALUES_START , FC_ERR_R_HOLD_REGS = FC_R_HOLD_REGS + FC_ERR_VALUES_START , FC_ERR_W_COIL = FC_W_COIL + FC_ERR_VALUES_START , FC_ERR_W_HOLD_REG = FC_W_HOLD_REG + FC_ERR_VALUES_START , FC_ERR_W_COILS = FC_W_COILS + FC_ERR_VALUES_START , FC_ERR_W_HOLD_REGS = FC_W_HOLD_REGS + FC_ERR_VALUES_START , FC_ERR_R_DIAGNOSTIC = FC_R_DIAGNOSTICS + FC_ERR_VALUES_START , FC_ERR_R_DEVICE_INFO = FC_R_DEVICE_ID + FC_ERR_VALUES_START }
	Enum for modbus func codes. More...
enum	MB_MEITypeDef { MEI_DEVICE_IDENTIFICATIONS = 0x0E }
	Enum for MEI func codes. More...
enum	ReadDevId { RID_BASIC_IDENTIFICATIONS = 0x01 , RID_REGULAR_IDENTIFICATIONS = 0x02 , RID_EXTENDED_IDENTIFICATIONS = 0x03 , RID_SPEDIFIC_IDENTIFICATIONS = 0x04 }
	Enum for Read Device Id codes. More...

Functions
MB_ExceptionTypeDef	MB_Check_Address_For_Arr (uint16_t Addr, uint16_t Qnt, uint16_t R_ARR_ADDR, uint16_t R_ARR_NUMB)
	Check is address valid for certain array.
MB_ExceptionTypeDef	MB_DefineRegistersAddress (uint16_t **pRegs, uint16_t Addr, uint16_t Qnt, uint8_t RegisterType)
	Define Address Origin for Input/Holding Registers.
MB_ExceptionTypeDef	MB_DefineCoilsAddress (uint16_t *pCoils, uint16_t Addr, uint16_t Qnt, uint16_t start_shift, uint8_t WriteFlag)
	Define Address Origin for coils.

Variables
RS_MsgTypeDef	MODBUS_MSG
	Default Message Struct for Modbus.

Detailed Description

Ядро Modbus протокола - определения и структуры

Definition in file modbus_core.h.

Classes