67 lines
2.1 KiB
C
67 lines
2.1 KiB
C
#ifndef _PROTO_MODBUS_H_
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#define _PROTO_MODBUS_H_
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#include "main.h"
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#define MODBUS_DEFAULT_ID (0x01)
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#define MODBUS_SENDBUF_LEN (512U)
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#define U16_DATA_L (0)//低16位
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#define U16_DATA_H (1)//高16位
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#define BIG_ENDIAN (0)//大端序
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#define LITTLE_ENDIAN (1)//小端序
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typedef struct _ModbusCommunicationSendBuf{
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u8 SendBuffer[MODBUS_SENDBUF_LEN];
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u16 Len;
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}ModbusCommunicationSendBuf_t;
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typedef struct _ModbusAnalysisData
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{
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u8 ID; /*ModbusID*/
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u8 Func; /*功能号*/
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u16 StartAddress; /*起始地址*/
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u16 RegNumber; /*寄存器数量*/
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u8 *wDataAddress; /*写入寄存器数据地址*/
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}ModbusAnalysisData_t;
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typedef enum _ModbusErrorCode
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{
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ModbusErrorCode_Success = 0x00,
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ModbusErrorCode_IllegalFunction = 0x01,
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ModbusErrorCode_IllegalAddr = 0x02,
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ModbusErrorCode_IllegalData = 0x03,
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ModbusErrorCode_DeviceBusy = 0x06
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}ModbusErrorCode_e;
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typedef struct proto_Modbus_t proto_Modbus_t;
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struct proto_Modbus_t
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{
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u8 ID;
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u16 (*DataRead)(u16); /*Modbus读数据*/
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ModbusErrorCode_e (*DataWrite)(u16,u16); /*Modbus写数据*/
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void (*Init)(void); /*初始化函数*/
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void (*Task)(void); /*任务函数*/
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void (*DataAnalysis)(u8 *,u16,void *); /*数据解析*/
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};
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u16 ModbusCrc16(u8 *pData, u16 Len);
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u16 FloatTOu16(float FloatData,unsigned char HorL);
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u16 u32TOu16(u32 u32Data,unsigned char HorL);
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u32 u8TOu32(u8 *p_u8Data,unsigned char u8Endian);
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u16 u8TOu16(u8 *p_u8Data,unsigned char u8Endian);
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void u32TOu8(u32 u32Data,u8 *pData,u8 Endian);
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void u16TOu8(u16 u16Data,u8 *pData,u8 Endian);
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u32 u32_EndianConv(u32 Data);
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u16 u16_EndianConv(u16 Data);
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void ModbusReadData(u8 Id,u16 Addr,u16 Num,void (*UsartSendBuffer)(u8 *,u16 ));
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void ModbusWriteMultipleData(u8 ID,u16 Addr,u16 Num,u16 *Data,void (*UsartSendBuffer)(u8 *,u16 ));
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void ModbusyWriteOnlData(u8 ID,u16 Addr,u16 Value,void (*UsartSendBuffer)(u8 *,u16 ));
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u8 ModbusAnalysis(ModbusAnalysisData_t *pModbus, u8 *pData, u16 len);
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#endif
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