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rllib
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rlsiemenstcp.h
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00001 /*************************************************************************** 00002 rlsiemenstcp.h - description 00003 ------------------- 00004 begin : Mon Mar 08 2004 00005 copyright : (C) 2004 by Rainer Lehrig 00006 email : lehrig@t-online.de 00007 00008 S7_200 update : Wed Mar 21 2007 00009 copyright : (C) 2007 by Aljosa Merljak 00010 Email : aljosa.merljak@datapan.si 00011 ***************************************************************************/ 00012 00013 /*************************************************************************** 00014 * * 00015 * This library is free software; you can redistribute it and/or modify * 00016 * it under the terms of the GNU LESSER GENERAL PUBLIC LICENSE as * 00017 * published by the Free Software Foundation * 00018 * * 00019 ***************************************************************************/ 00020 #ifndef _RL_SIEMENS_TCP_H_ 00021 #define _RL_SIEMENS_TCP_H_ 00022 00023 #include "rldefine.h" 00024 #include "rlsocket.h" 00025 00029 class rlSiemensTCP : public rlSocket 00030 { 00031 public: 00032 enum ORG 00033 { 00034 ORG_DB = 1, 00035 ORG_M = 2, 00036 ORG_E = 3, 00037 ORG_A = 4, 00038 ORG_PEPA = 5, 00039 ORG_Z = 6, 00040 ORG_T = 7 00041 }; 00042 enum PLC_TYPE 00043 { 00044 S7_200 = 1, 00045 S7_300 = 2, 00046 S7_400 = 3, 00047 S5 = 4, 00048 RACK_SLOT = 5 00049 }; 00050 enum SiemensFunctionCodes 00051 { 00052 WriteBit = 1, 00053 WriteByte = 2 00054 }; 00055 rlSiemensTCP(const char *adr, int _plc_type, int _fetch_write = 1, int function = -1, int rack_slot = -1); 00056 virtual ~rlSiemensTCP(); 00059 int write(int org, int dbnr, int start_adr, int length, const unsigned char *buf, int function=WriteByte); 00060 int fetch(int org, int dbnr, int start_adr, int length, unsigned char *buf); 00061 private: 00062 void doConnect(); 00063 int read_iso(unsigned char *buf); 00064 int write_iso(unsigned char *buf, int len); 00065 int getOrg(int org); 00066 int write_bit(int& i, int org, int dbnr, int start_adr, int len, const unsigned char *buf); 00067 int write_byte(int& i, int org, int dbnr, int start_adr, int length, const unsigned char *buf); 00068 typedef struct 00069 { 00070 unsigned char version; 00071 unsigned char reserved; 00072 unsigned char length_high; 00073 unsigned char length_low; 00074 }IH; // iso header 00075 typedef struct 00076 { 00077 unsigned char ident[2]; 00078 unsigned char header_len; 00079 unsigned char ident_op_code; 00080 unsigned char op_code_len; 00081 unsigned char op_code; 00082 unsigned char ident_org_block; 00083 unsigned char len_org_block; 00084 unsigned char org_block; 00085 unsigned char dbnr; 00086 unsigned char start_adr[2]; 00087 unsigned char len[2]; 00088 unsigned char spare1; 00089 unsigned char spare1_len; 00090 }WH; // write header 00091 typedef struct 00092 { 00093 unsigned char ident[2]; 00094 unsigned char header_len; 00095 unsigned char ident_op_code; 00096 unsigned char op_code_len; 00097 unsigned char op_code; 00098 unsigned char ack_block; 00099 unsigned char ack_block_len; 00100 unsigned char error_block; 00101 unsigned char spare1; 00102 unsigned char spare1_len; 00103 unsigned char spare2[5]; 00104 }WA; // write ack 00105 typedef struct 00106 { 00107 unsigned char ident[2]; 00108 unsigned char header_len; 00109 unsigned char ident_op_code; 00110 unsigned char op_code_len; 00111 unsigned char op_code; 00112 unsigned char ident_org_block; 00113 unsigned char len_org_block; 00114 unsigned char org_block; 00115 unsigned char dbnr; 00116 unsigned char start_adr[2]; 00117 unsigned char len[2]; 00118 unsigned char spare1; 00119 unsigned char spare1_len; 00120 }FH; // fetch header 00121 typedef struct 00122 { 00123 unsigned char ident[2]; 00124 unsigned char header_len; 00125 unsigned char ident_op_code; 00126 unsigned char op_code_len; 00127 unsigned char op_code; 00128 unsigned char ack_block; 00129 unsigned char ack_block_len; 00130 unsigned char error_block; 00131 unsigned char spare1; 00132 unsigned char spare1_len; 00133 unsigned char spare2[5]; 00134 }FA; // fetch ack 00135 WH wh; 00136 WA wa; 00137 FH fh; 00138 FA fa; 00139 IH ih; 00140 int function, rack_slot; 00141 int plc_type; 00142 int fetch_write; 00143 unsigned char pdu[2048]; 00144 }; 00145 00146 #endif
