#ifndef _HIDO_MODBUS_H_
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#define _HIDO_MODBUS_H_
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#include "HIDO_TypeDef.h"
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#include "HIDO_FSM.h"
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#include "HIDO_VLQueue.h"
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#define MODBUS_RTU_MIN_SIZE ( 4 )
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#define MODBUS_RTU_FUNC_CODE_OFFSET ( 1 )
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#define MODBUS_RTU_ADDR_OFFSET ( 0 )
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#define MODBUS_RTU_DATA_OFFSET ( 2 )
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#define MODBUS_RTU_ADDR_SIZE ( 1 )
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#define MODBUS_RTU_FUNC_CODE_SIZE ( 1 )
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#define MODBUS_RTU_REGISTER_SIZE ( 2 )
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#define MODBUS_RTU_REGISTER_COUNT_SIZE ( 2 )
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#define MODBUS_RTU_COUNT_SIZE ( 1 )
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#define MODBUS_RTU_CRC16_SIZE ( 2 )
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#define MODBUS_RTU_READ_HOLDING_REGISTER_SIZE ( \
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MODBUS_RTU_ADDR_SIZE \
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+ MODBUS_RTU_FUNC_CODE_SIZE \
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+ MODBUS_RTU_REGISTER_SIZE \
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+ MODBUS_RTU_REGISTER_COUNT_SIZE \
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+ MODBUS_RTU_CRC16_SIZE)
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#define MODBUS_RTU_WRITE_MULTIPLE_REGISTERS_SIZE(cnt) ( \
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MODBUS_RTU_ADDR_SIZE \
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+ MODBUS_RTU_FUNC_CODE_SIZE \
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+ MODBUS_RTU_REGISTER_SIZE \
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+ MODBUS_RTU_COUNT_SIZE \
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+ MODBUS_RTU_REGISTER_COUNT_SIZE \
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+ (MODBUS_RTU_REGISTER_SIZE * (cnt)) \
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+ MODBUS_RTU_CRC16_SIZE)
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#define MODBUS_ADDRESS_BROADCAST ( 0 ) /*! Modbus broadcast address. */
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#define MODBUS_ADDRESS_MIN ( 1 ) /*! Smallest possible slave address. */
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#define MODBUS_ADDRESS_MAX ( 247 ) /*! Biggest possible slave address. */
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#define MODBUS_FUNC_NONE ( 0 )
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#define MODBUS_FUNC_READ_COILS ( 1 )
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#define MODBUS_FUNC_READ_DISCRETE_INPUTS ( 2 )
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#define MODBUS_FUNC_WRITE_SINGLE_COIL ( 5 )
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#define MODBUS_FUNC_WRITE_MULTIPLE_COILS ( 15 )
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#define MODBUS_FUNC_READ_HOLDING_REGISTER ( 3 )
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#define MODBUS_FUNC_READ_INPUT_REGISTER ( 4 )
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#define MODBUS_FUNC_WRITE_REGISTER ( 6 )
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#define MODBUS_FUNC_WRITE_MULTIPLE_REGISTERS ( 16 )
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#define MODBUS_FUNC_READWRITE_MULTIPLE_REGISTERS ( 23 )
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#define MODBUS_FUNC_DIAG_READ_EXCEPTION ( 7 )
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#define MODBUS_FUNC_DIAG_DIAGNOSTIC ( 8 )
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#define MODBUS_FUNC_DIAG_GET_COM_EVENT_CNT ( 11 )
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#define MODBUS_FUNC_DIAG_GET_COM_EVENT_LOG ( 12 )
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#define MODBUS_FUNC_OTHER_REPORT_SLAVEID ( 17 )
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#define MODBUS_FUNC_ERROR ( 128 )
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typedef enum
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{
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HIDO_MODBUS_MODE_MASTER,
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HIDO_MODBUS_MODE_SLAVE,
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} HIDO_ModbusModeEnum;
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typedef enum
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{
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HIDO_MODBUS_RESULT_NONE,
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HIDO_MODBUS_RESULT_WAIT,
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HIDO_MODBUS_RESULT_RESPONSE,
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} HIDO_ModbusResultEnum;
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typedef struct
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{
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HIDO_VOID *m_pData;
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HIDO_UINT32 m_u32Len;
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HIDO_UINT32 m_u32SerialNumber;
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}HIDO_ModbusDataStruct;
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typedef struct HIDO_ModbusStruct HIDO_ModbusStruct;
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typedef HIDO_ModbusResultEnum (* HIDO_ModbusOnRecvFunc)(HIDO_ModbusStruct *_pstModbus, HIDO_UINT8 _u8Addr, HIDO_UINT8 _u8FuncCode, HIDO_UINT8 *_pu8Data, HIDO_UINT32 _u32Len, HIDO_UINT32 _u32SerialNumber);
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typedef HIDO_VOID (* HIDO_ModbusSerialEvent)(HIDO_ModbusStruct *_pstModbus);
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struct HIDO_ModbusStruct
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{
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HIDO_UINT32 m_u32TimerID;
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HIDO_UINT32 m_u32SerialTXOver;
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HIDO_UINT32 m_u32SerialRXOver;
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HIDO_UINT32 m_u32SerialRXReady;
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HIDO_FSMStruct m_stFSM;
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HIDO_UINT32 m_u32NextSerialNumber;
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HIDO_UINT32 m_u32CurrentSerialNumber;
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/* ÒÔÏÂÓû§ÊµÏÖ */
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HIDO_UINT32 m_u32DelayUs;
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HIDO_VLQStruct m_stSendQueue;
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HIDO_UINT8 *m_pu8SendBuff;
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HIDO_UINT32 m_u32SendBuffSize;
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HIDO_UINT32 m_u32TransferIndex;
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HIDO_UINT32 m_u32TransferLen;
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HIDO_UINT8 *m_pu8TransferBuff;
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HIDO_UINT32 m_u32TransferBuffSize;
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HIDO_VOID (* m_fnTimerStart)(HIDO_ModbusStruct *_pstModbus, HIDO_UINT32 _u32Us);
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HIDO_VOID (* m_fnTimerStop)(HIDO_ModbusStruct *_pstModbus);
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HIDO_VOID (* m_fnSerialEnable)(HIDO_ModbusStruct* _pstModbus, HIDO_BOOL _bRxEnable, HIDO_BOOL _bTxEnable);
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HIDO_INT32 (* m_fnSerialPutByte)(HIDO_ModbusStruct *_pstModbus, HIDO_UINT8 _u8Byte);
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HIDO_INT32 (* m_fnSerialGetByte)(HIDO_ModbusStruct *_pstModbus, HIDO_UINT8 *_pu8Byte);
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HIDO_VOID *m_pPrivateData;
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HIDO_ModbusOnRecvFunc m_fnOnRecv;
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HIDO_ModbusSerialEvent m_fnSerialTXOver;
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HIDO_ModbusSerialEvent m_fnSerialRXOver;
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};
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HIDO_VOID HIDO_ModbusEnterCriticalSection(void);
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HIDO_VOID HIDO_ModbusExitCriticalSection(void);
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HIDO_INT32 HIDO_ModbusInit(HIDO_ModbusStruct *_pstModbus, HIDO_ModbusModeEnum _eMode);
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HIDO_INT32 HIDO_ModbusSetOnRecvCallback(HIDO_ModbusStruct *_pstModbus, HIDO_ModbusOnRecvFunc _fnOnRecv);
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HIDO_INT32 HIDO_ModbusSetSerialTXOverCallback(HIDO_ModbusStruct *_pstModbus, HIDO_ModbusSerialEvent _fnSerialEvent);
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HIDO_INT32 HIDO_ModbusSetSerialRXOverCallback(HIDO_ModbusStruct *_pstModbus, HIDO_ModbusSerialEvent _fnSerialEvent);
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HIDO_INT32 HIDO_ModbusFramePack(HIDO_UINT8 *_pu8FrameBuf, HIDO_UINT32 _u32FrameBufSize, HIDO_UINT8 _u8Addr, HIDO_UINT8 _u8FuncCode, HIDO_UINT8 *_pu8Data, HIDO_UINT32 _u32DataLen, HIDO_UINT32 *_pu32FrameLen);
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#endif /* _HIDO_MODBUS_H_ */
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