mirror of
https://github.com/S7NetPlus/s7netplus.git
synced 2026-02-17 22:38:27 +08:00
514dde365e
- Remove duplicate parameter code / length (already in initial array) - Remove separate branch for S7-400 (same as S7-300/1200) - Change all values to 2-character hex
62 lines
2.3 KiB
C#
62 lines
2.3 KiB
C#
using System;
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namespace S7.Net.Protocol
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{
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internal static class ConnectionRequest
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{
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public static byte[] GetCOTPConnectionRequest(CpuType cpu, Int16 rack, Int16 slot)
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{
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byte[] bSend1 = {
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3, 0, 0, 22, //TPKT
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17, //COTP Header Length
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224, //Connect Request
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0, 0, //Destination Reference
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0, 46, //Source Reference
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0, //Flags
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193, //Parameter Code (src-tasp)
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2, //Parameter Length
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1, 0, //Source TASP
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194, //Parameter Code (dst-tasp)
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2, //Parameter Length
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3, 0, //Destination TASP
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192, //Parameter Code (tpdu-size)
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1, //Parameter Length
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9 //TPDU Size (2^9 = 512)
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};
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switch (cpu)
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{
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case CpuType.S7200:
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//S7200: Chr(193) & Chr(2) & Chr(16) & Chr(0) 'Eigener Tsap
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bSend1[13] = 0x10;
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bSend1[14] = 0x00;
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//S7200: Chr(194) & Chr(2) & Chr(16) & Chr(0) 'Fremder Tsap
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bSend1[17] = 0x10;
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bSend1[18] = 0x00;
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break;
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case CpuType.S71200:
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case CpuType.S7300:
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case CpuType.S7400:
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//S7300: Chr(193) & Chr(2) & Chr(1) & Chr(0) 'Eigener Tsap
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bSend1[13] = 0x01;
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bSend1[14] = 0x00;
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//S7300: Chr(194) & Chr(2) & Chr(3) & Chr(2) 'Fremder Tsap
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bSend1[17] = 0x03;
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bSend1[18] = (byte) ((rack << 5) | (int) slot);
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break;
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case CpuType.S71500:
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// Eigener Tsap
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bSend1[13] = 0x10;
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bSend1[14] = 0x02;
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// Fredmer Tsap
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bSend1[17] = 0x03;
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bSend1[18] = (byte) ((rack << 5) | (int) slot);
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break;
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default:
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throw new Exception("Wrong CPU Type Secified");
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}
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return bSend1;
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}
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}
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}
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