| Directory: | ./ |
|---|---|
| File: | pdserv/src/msrproto/Channel.cpp |
| Date: | 2024-11-17 04:08:36 |
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| Lines: | 23 | 23 | 100.0% |
| Branches: | 18 | 30 | 60.0% |
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| 1 | /***************************************************************************** | ||
| 2 | * | ||
| 3 | * $Id$ | ||
| 4 | * | ||
| 5 | * Copyright 2010 Richard Hacker (lerichi at gmx dot net) | ||
| 6 | * | ||
| 7 | * This file is part of the pdserv library. | ||
| 8 | * | ||
| 9 | * The pdserv library is free software: you can redistribute it and/or modify | ||
| 10 | * it under the terms of the GNU Lesser General Public License as published | ||
| 11 | * by the Free Software Foundation, either version 3 of the License, or (at | ||
| 12 | * your option) any later version. | ||
| 13 | * | ||
| 14 | * The pdserv library is distributed in the hope that it will be useful, but | ||
| 15 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | ||
| 16 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public | ||
| 17 | * License for more details. | ||
| 18 | * | ||
| 19 | * You should have received a copy of the GNU Lesser General Public License | ||
| 20 | * along with the pdserv library. If not, see <http://www.gnu.org/licenses/>. | ||
| 21 | * | ||
| 22 | *****************************************************************************/ | ||
| 23 | |||
| 24 | #include "Channel.h" | ||
| 25 | #include "XmlElement.h" | ||
| 26 | #include "../Signal.h" | ||
| 27 | #include "../Task.h" | ||
| 28 | |||
| 29 | using namespace MsrProto; | ||
| 30 | |||
| 31 | ///////////////////////////////////////////////////////////////////////////// | ||
| 32 | 2772 | Channel::Channel(const PdServ::Signal *s, size_t index, | |
| 33 | const PdServ::DataType& dtype, | ||
| 34 | const PdServ::DataType::DimType& dim, | ||
| 35 | 2772 | size_t offset): | |
| 36 | Variable(s, index, dtype, dim, offset), | ||
| 37 | 2772 | signal(s) | |
| 38 | { | ||
| 39 | // log_debug("new var %s idx=%u size=%zu, nelem=%zu offset=%zu", | ||
| 40 | // path().c_str(), index, dtype.size, dim.nelem, offset); | ||
| 41 | 2772 | } | |
| 42 | |||
| 43 | ///////////////////////////////////////////////////////////////////////////// | ||
| 44 | 152 | void Channel::setXmlAttributes( XmlElement &element, | |
| 45 | bool shortReply, bool hex, bool derived, const char *data, | ||
| 46 | std::streamsize precision, struct timespec* time) const | ||
| 47 | { | ||
| 48 | 152 | setAttributes(element, shortReply, derived); | |
| 49 | |||
| 50 |
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152 | if (!shortReply) { |
| 51 | // <channel name="/lan/World Time" alias="" index="0" typ="TDBL" | ||
| 52 | // datasize="8" bufsize="500" HZ="50" unit="" | ||
| 53 | // value="1283134199.93743"/> | ||
| 54 |
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152 | double freq = 1.0 / signal->sampleTime(); |
| 55 | |||
| 56 | // The MSR protocol wants a bufsize, the maximum number of | ||
| 57 | // values that can be retraced. This artificial limitation does | ||
| 58 | // not exist any more. Instead, choose a buffer size so that | ||
| 59 | // at a maximum of 10 seconds has to be stored. | ||
| 60 | 152 | size_t bufsize = 10 * std::max(1U, (unsigned int)(freq + 0.5)); | |
| 61 | |||
| 62 | // bufsize= | ||
| 63 |
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152 | XmlElement::Attribute(element, "bufsize") << bufsize; |
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152 | XmlElement::Attribute(element, "task") << signal->task->index; |
| 65 |
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152 | XmlElement::Attribute(element, "HZ") << freq; |
| 66 | } | ||
| 67 | |||
| 68 |
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152 | if (time) |
| 69 |
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57 | XmlElement::Attribute(element, "time") << *time; |
| 70 | |||
| 71 |
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152 | if (data) { |
| 72 |
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57 | if (hex) |
| 73 | 14 | XmlElement::Attribute(element, "hexvalue") | |
| 74 |
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14 | .hexDec(data + offset, memSize); |
| 75 | else | ||
| 76 | 100 | XmlElement::Attribute(element, "value") | |
| 77 |
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100 | .csv(this, data + offset, 1, precision); |
| 78 | } | ||
| 79 | |||
| 80 |
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152 | if (!shortReply) |
| 81 | 152 | addCompoundFields(element, dtype); | |
| 82 | 152 | } | |
| 83 |