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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Runtime.InteropServices;
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namespace Mesnac.Equip.Siemens.S7.Net
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{
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public class Prodave6
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{
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#region 常值定义(用于极限值)
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public const int MAX_CONNECTIONS = 64; // 64 is default in PRODAVE
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public const int MAX_DEVNAME_LEN = 128;// e.g. "S7ONLINE"
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public const int MAX_BUFFERS = 64; // 64 for blk_read() and blk_write()
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public const int MAX_BUFFER = 65536; // Transfer buffer for error text)
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#endregion
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#region 结构体定义
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public struct CON_TABLE_TYPE//待连接plc地址属性表
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{
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 6)]
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//public CON_ADR_TYPE Adr; // connection address
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public byte[] Adr; // connection address
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// MPI/PB station address (2)
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// IP address (192.168.0.1)
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// MAC address (08-00-06-01-AA-BB)
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public byte AdrType; // Type of address: MPI/PB (1), IP (2), MAC (3)
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public byte SlotNr; // Slot number
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public byte RackNr; // Rack number
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}
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public enum DatType : byte//PLC数据类型
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{
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BYTE = 0x02,
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WORD = 0x04,
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DWORD = 0x06,
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}
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public enum FieldType : byte//PLC区域类型
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{
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//Value types as ASCII characters区域类型对应的ASCII字符
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//data byte (d/D)
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d = 100,
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D = 68,
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//input byte (e/E)
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e = 101,
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E = 69,
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//output byte (a/A)
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a = 97,
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A = 65,
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//memory byte (m/M)
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m = 109,
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M = 77,
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//timer word (t/T),
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t = 116,
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T = 84,
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}
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#endregion
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#region PLC基本函数
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[DllImport("Prodave6.dll")]//连接PLC操作
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//参数:连接号(0-63)、常值"S7ONLINE"、待连接plc地址属性表长度(字节为单位,常值9)、待连接plc地址属性表
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public extern static int LoadConnection_ex6(int ConNr, string pAccessPoint, int ConTableLen, ref CON_TABLE_TYPE pConTable);
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[DllImport("Prodave6.dll")]//断开PLC操作
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//参数:连接号(0-63)
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public extern static int UnloadConnection_ex6(UInt16 ConNr);
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[DllImport("Prodave6.dll")]//激活PLC连接操作
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//参数:连接号(0-63)
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public extern static int SetActiveConnection_ex6(UInt16 ConNr);
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[DllImport("Prodave6.dll")]//PLC db区读取操作
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//参数:data block号、要读取的数据类型、起始地址号、需要读取类型的数量、缓冲区长度(字节为单位)、缓冲区、缓冲区数据交互的长度
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public extern static int db_read_ex6(UInt16 BlkNr, DatType DType, UInt16 StartNr, ref UInt32 pAmount, UInt32 BufLen,
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ushort[] pBuffer, ref UInt32 pDatLen);
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[DllImport("Prodave6.dll")]//PLC db区写入操作
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//参数:data block号、要写入的数据类型、起始地址号、需要写入类型的数量、缓冲区长度(字节为单位)、缓冲区
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public extern static int db_write_ex6(UInt16 BlkNr, DatType Type, UInt16 StartNr, ref UInt32 pAmount, UInt32 BufLen,
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ushort[] pBuffer);
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[DllImport("Prodave6.dll")]//PLC 任意区读取操作
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//参数:要读取的区类型、data block号(DB区特有,默认为0)、起始地址号、需要读取类型的数量、
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//缓冲区长度(字节为单位)、缓冲区、缓冲区数据交互的长度
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public extern static int field_read_ex6(FieldType FType, UInt16 BlkNr, UInt16 StartNr, UInt32 pAmount, UInt32 BufLen,
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byte[] pBuffer, ref UInt32 pDatLen);
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[DllImport("Prodave6.dll")]//PLC 任意区写入操作
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//参数:要写入的区类型、data block号(DB区特有,默认为0)、起始地址号、需要写入类型的数量、
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//缓冲区长度(字节为单位)、缓冲区
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public extern static int field_write_ex6(FieldType FType, UInt16 BlkNr, UInt16 StartNr, UInt32 pAmount, UInt32 BufLen,
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byte[] pBuffer);
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[DllImport("Prodave6.dll")]//PLC M区某字节的某位读取操作
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//参数:M区字节号、位号、当前的值(0/1)
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public extern static int mb_bittest_ex6(UInt16 MbNr, UInt16 BitNr, ref int pValue);
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[DllImport("Prodave6.dll")]//PLC M区某字节的某位写入操作
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//参数:M区字节号、位号、要写入的值(0/1)
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public extern static int mb_setbit_ex6(UInt16 MbNr, UInt16 BitNr, byte Value);
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#endregion
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#region PLC200用数据传输函数
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[DllImport("Prodave6.dll")]//200系列PLC 任意区读取操作
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//参数:要读取的区类型、data block号(DB区特有,默认为0)、起始地址号、需要读取类型的数量、
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//缓冲区长度(字节为单位)、缓冲区、缓冲区数据交互的长度
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public extern static int as200_field_read_ex6(FieldType FType, UInt16 BlkNr, UInt16 StartNr, UInt32 pAmount, UInt32 BufLen,
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byte[] pBuffer, ref UInt32 pDatLen);
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[DllImport("Prodave6.dll")]//200系列PLC 任意区写入操作
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//参数:要写入的区类型、data block号(DB区特有,默认为0)、起始地址号、需要写入类型的数量、
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//缓冲区长度(字节为单位)、缓冲区
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public extern static int as200_field_write_ex6(FieldType FType, UInt16 BlkNr, UInt16 StartNr, UInt32 pAmount, UInt32 BufLen,
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byte[] pBuffer);
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[DllImport("Prodave6.dll")]//200系列PLC M区某字节的某位读取操作
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//参数:M区字节号、位号、当前的值(0/1)
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public extern static int as200_mb_bittest_ex6(UInt16 MbNr, UInt16 BitNr, ref int pValue);
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[DllImport("Prodave6.dll")]//200系列PLC M区某字节的某位写入操作
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//参数:M区字节号、位号、要写入的值(0/1)
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public extern static int as200_mb_setbit_ex6(UInt16 MbNr, UInt16 BitNr, byte Value);
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#endregion
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#region PLC数据转换函数
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[DllImport("Prodave6.dll")]//诊断错误信息操作
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//参数:错误代号、缓冲区大小(字节为单位)、缓冲区
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public extern static int GetErrorMessage_ex6(int ErrorNr, UInt32 BufLen, [MarshalAs(UnmanagedType.LPStr)] StringBuilder pBuffer);
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[DllImport("Prodave6.dll")]//S7浮点数转换成PC浮点数
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//参数:S7浮点数、PC浮点数
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public extern static int gp_2_float_ex6(UInt32 gp, ref float pieee);
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[DllImport("Prodave6.dll")]//PC浮点数转换成S7浮点数
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//参数:PC浮点数、S7浮点数
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public extern static int float_2_gp_ex6(float ieee, ref UInt32 pgp);
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[DllImport("Prodave6.dll")]//检测某字节的某位的值是0或1
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//参数:字节值、位号
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public extern static int testbit_ex6(byte Value, int BitNr);
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[DllImport("Prodave6.dll")]//检测某字节的byte值转换成int数组
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//参数:byte值、int数组(长度为8)
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public extern static void byte_2_bool_ex6(byte Value, int[] pBuffer);
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[DllImport("Prodave6.dll")]//检测某字节的int数组转换成byte值
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//参数:int数组(长度为8)
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public extern static byte bool_2_byte_ex6(int[] pBuffer);
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[DllImport("Prodave6.dll")]//交换数据的高低字节——16位数据
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//参数:待交换的数据
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public extern static UInt16 kf_2_integer_ex6(UInt16 wValue);//16位数据——WORD
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[DllImport("Prodave6.dll")]//交换数据的高低字节——32位数据
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//参数:待交换的数据
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public extern static UInt32 kf_2_long_ex6(UInt32 dwValue);//32位数据——DWORD
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[DllImport("Prodave6.dll")]//交换数据缓冲区的的高低字节区,例如pBuffer[0]与pBuffer[1],pBuffer[2]与pBuffer[3]交换
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//参数:待交换的数据缓冲区,要交换的字节数,如Amount=pBuffer.Length,则交换全部缓冲
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public extern static void swab_buffer_ex6(byte[] pBuffer, UInt32 Amount);
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[DllImport("Prodave6.dll")]//复制数据缓冲区
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//参数:目的数据缓冲区,源数据缓冲区,要复制的数量(字节为单位)
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public extern static void copy_buffer_ex6(byte[] pTargetBuffer, byte[] pSourceBuffer, UInt32 Amount);
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[DllImport("Prodave6.dll")]//把二进制数组传换成BCD码的数组——16位数据
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//参数:要处理的数组,要处理的字节数,转换前是否先交换高低字节,转换后是否要交换高低字节
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//InBytechange为1则转换BCD码之前,先交换高低字节
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//OutBytechange为1则转换BCD码之后,再交换高低字节
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//如果InBytechange和OutBytechange都没有置1,则不发生高低位的交换
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//16位数据BCD码值的许可范围是:+999 —— -999
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public extern static void ushort_2_bcd_ex6(UInt16[] pwValues, UInt32 Amount, int InBytechange, int OutBytechange);//16位数据——WORD
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[DllImport("Prodave6.dll")]//把二进制数组传换成BCD码的数组——32位数据
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//参数:要处理的数组,要处理的字节数,转换前是否先交换高低字节,转换后是否要交换高低字节
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//InBytechange为1则转换BCD码之前,先交换高低字节
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//OutBytechange为1则转换BCD码之后,再交换高低字节
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//如果InBytechange和OutBytechange都没有置1,则不发生高低位的交换
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//32位数据BCD码值的许可范围是:+9 999 999 —— -9 999 999
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public extern static void ulong_2_bcd_ex6(UInt32[] pdwValues, UInt32 Amount, int InBytechange, int OutBytechange);//32位数据——DWORD
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[DllImport("Prodave6.dll")]//把BCD码的数组传换成二进制数组——16位数据
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//参数:要处理的数组,要处理的字节数,转换前是否先交换高低字节,转换后是否要交换高低字节
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//InBytechange为1则转换BCD码之前,先交换高低字节
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//OutBytechange为1则转换BCD码之后,再交换高低字节
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//如果InBytechange和OutBytechange都没有置1,则不发生高低位的交换
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//16位数据BCD码值的许可范围是:+999 —— -999
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public extern static void bcd_2_ushort_ex6(UInt16[] pwValues, UInt32 Amount, int InBytechange, int OutBytechange);//16位数据——WORD
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[DllImport("Prodave6.dll")]//把BCD码的数组传换成二进制数组——32位数据
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//参数:要处理的数组,要处理的字节数,转换前是否先交换高低字节,转换后是否要交换高低字节
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//InBytechange为1则转换BCD码之前,先交换高低字节
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//OutBytechange为1则转换BCD码之后,再交换高低字节
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//如果InBytechange和OutBytechange都没有置1,则不发生高低位的交换
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//32位数据BCD码值的许可范围是:+9 999 999 —— -9 999 999
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public extern static void bcd_2_ulong_ex6(UInt32[] pdwValues, UInt32 Amount, int InBytechange, int OutBytechange);//32位数据——DWORD
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[DllImport("Prodave6.dll")]//查看64个连接中哪些被占用,哪些已经建立
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//参数:传输缓冲的字节长度,64位长度的数组(0或1)
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public extern static void GetLoadedConnections_ex6(UInt32 BufLen, int[] pBuffer);
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#endregion
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#region 自定义辅助函数
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public static UInt16 bytes_2_word(byte dbb0, byte dbb1)//将高低2个byte转换成1个word
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{
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UInt16 dbw0;
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dbw0 = (UInt16)(dbb0 * 256 + dbb1);
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return dbw0;
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}
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public static UInt32 bytes_2_dword(byte dbb0, byte dbb1, byte dbb2, byte dbb3)//将高低4个byte转换成1个dword
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{
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UInt32 dbd0;
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dbd0 = (UInt32)(dbb0 * 16777216 + dbb1 * 65536 + dbb2 * 256 + dbb3);
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return dbd0;
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}
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public static UInt32 words_2_dword(UInt16 dbw0, UInt16 dbw2)//将高低2个word转换成1个dword
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{
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UInt32 dbd0;
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dbd0 = (UInt32)(dbw0 * 65536 + dbw2);
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return dbd0;
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}
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public static byte[] word_2_bytes(UInt16 dbw0)//将word拆分为2个byte
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{
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byte[] bytes = new byte[2];
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bytes[0] = (byte)(dbw0 / 256);
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bytes[1] = (byte)(dbw0 % 256);
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return bytes;
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}
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public static byte[] dword_2_bytes(UInt32 dbd0)//将dword拆分为4个byte
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{
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byte[] bytes = new byte[4];
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bytes[0] = (byte)(dbd0 / 16777216);
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dbd0 = dbd0 % 16777216;
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bytes[1] = (byte)(dbd0 / 65536);
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dbd0 = dbd0 % 65536;
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bytes[2] = (byte)(dbd0 / 256);
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bytes[3] = (byte)(dbd0 % 256);
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return bytes;
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}
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public static UInt16[] dword_2_words(UInt32 dbd0)//将dword拆分为2个word
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{
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UInt16[] words = new UInt16[2];
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words[0] = (UInt16)(dbd0 / 65536);
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words[1] = (UInt16)(dbd0 % 65536);
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return words;
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}
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#endregion
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}
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}
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