LCOV - code coverage report
Current view: top level - src/cli - metercommand.cpp (source / functions) Coverage Total Hit
Project: Dokit Lines: 83.9 % 211 177
Version: Functions: 62.5 % 8 5

            Line data    Source code
       1              : // SPDX-FileCopyrightText: 2022-2025 Paul Colby <git@colby.id.au>
       2              : // SPDX-License-Identifier: LGPL-3.0-or-later
       3              : 
       4              : #include "metercommand.h"
       5              : #include "../stringliterals_p.h"
       6              : 
       7              : #include <qtpokit/pokitdevice.h>
       8              : 
       9              : #include <QJsonDocument>
      10              : #include <QJsonObject>
      11              : 
      12              : #include <iostream>
      13              : 
      14              : DOKIT_USE_STRINGLITERALS
      15              : 
      16              : /*!
      17              :  * \class MeterCommand
      18              :  *
      19              :  * The MeterCommand class implements the `meter` CLI command.
      20              :  */
      21              : 
      22              : /*!
      23              :  * Construct a new MeterCommand object with \a parent.
      24              :  */
      25         7728 : MeterCommand::MeterCommand(QObject * const parent) : DeviceCommand(parent)
      26         2576 : {
      27              : 
      28         8176 : }
      29              : 
      30         4240 : QStringList MeterCommand::requiredOptions(const QCommandLineParser &parser) const
      31         2968 : {
      32        18126 :     return DeviceCommand::requiredOptions(parser) + QStringList{
      33         2968 :         u"mode"_s,
      34        14151 :     };
      35         2968 : }
      36              : 
      37         2080 : QStringList MeterCommand::supportedOptions(const QCommandLineParser &parser) const
      38         1456 : {
      39        12740 :     return DeviceCommand::supportedOptions(parser) + QStringList{
      40         1456 :         u"interval"_s,
      41         1456 :         u"range"_s,
      42         1456 :         u"samples"_s,
      43        11102 :     };
      44         1456 : }
      45              : 
      46              : /*!
      47              :  * \copybrief DeviceCommand::processOptions
      48              :  *
      49              :  * This implementation extends DeviceCommand::processOptions to process additional CLI options
      50              :  * supported (or required) by this command.
      51              :  */
      52         2000 : QStringList MeterCommand::processOptions(const QCommandLineParser &parser)
      53         1400 : {
      54         3400 :     QStringList errors = DeviceCommand::processOptions(parser);
      55         3400 :     if (!errors.isEmpty()) {
      56           56 :         return errors;
      57           56 :     }
      58              : 
      59              :     // Parse the (required) mode option.
      60         5184 :     if (const QString mode = parser.value(u"mode"_s).trimmed().toLower();
      61         6216 :         mode.startsWith(u"ac v"_s) || mode.startsWith(u"vac"_s)) {
      62          136 :         settings.mode = MultimeterService::Mode::AcVoltage;
      63          136 :         minRangeFunc = minVoltageRange;
      64         5957 :     } else if (mode.startsWith(u"dc v"_s) || mode.startsWith(u"vdc"_s)) {
      65         1496 :         settings.mode = MultimeterService::Mode::DcVoltage;
      66         1496 :         minRangeFunc = minVoltageRange;
      67         3108 :     } else if (mode.startsWith(u"ac c"_s) || mode.startsWith(u"aac"_s)) {
      68          136 :         settings.mode = MultimeterService::Mode::AcCurrent;
      69          136 :         minRangeFunc = minCurrentRange;
      70         2849 :     } else if (mode.startsWith(u"dc c"_s) || mode.startsWith(u"adc"_s)) {
      71          272 :         settings.mode = MultimeterService::Mode::DcCurrent;
      72          272 :         minRangeFunc = minCurrentRange;
      73         1611 :     } else if (mode.startsWith(u"res"_s)) {
      74          272 :         settings.mode = MultimeterService::Mode::Resistance;
      75          272 :         minRangeFunc = minResistanceRange;
      76         1253 :     } else if (mode.startsWith(u"dio"_s)) {
      77          272 :         settings.mode = MultimeterService::Mode::Diode;
      78          272 :         minRangeFunc = nullptr;
      79          895 :     } else if (mode.startsWith(u"cont"_s)) {
      80          136 :         settings.mode = MultimeterService::Mode::Continuity;
      81          136 :         minRangeFunc = nullptr;
      82          716 :     } else if (mode.startsWith(u"temp"_s)) {
      83          136 :         settings.mode = MultimeterService::Mode::Temperature;
      84          136 :         minRangeFunc = nullptr;
      85          537 :     } else if (mode.startsWith(u"cap"_s)) {
      86          272 :         settings.mode = MultimeterService::Mode::Capacitance;
      87          272 :         minRangeFunc = minCapacitanceRange;
      88          112 :     } else {
      89          229 :         errors.append(tr("Unknown meter mode: %1").arg(parser.value(u"mode"_s)));
      90           56 :         return errors;
      91          944 :     }
      92              : 
      93              :     // Parse the interval option.
      94         4117 :     if (parser.isSet(u"interval"_s)) {
      95          940 :         const QString value = parser.value(u"interval"_s);
      96          680 :         const quint32 interval = parseNumber<std::milli>(value, u"s"_s, 500);
      97          680 :         if (interval == 0) {
      98          358 :             errors.append(tr("Invalid interval value: %1").arg(value));
      99          168 :         } else {
     100          408 :             settings.updateInterval = interval;
     101          168 :         }
     102          465 :     }
     103              : 
     104              :     // Parse the range option.
     105         3128 :     rangeOptionValue = 0; // Default to auto.
     106         4117 :     if (parser.isSet(u"range"_s)) {
     107         2068 :         const QString value = parser.value(u"range"_s);
     108         1969 :         if (value.trimmed().compare(u"auto"_s, Qt::CaseInsensitive) != 0) {
     109          952 :             switch (settings.mode) {
     110          352 :             case MultimeterService::Mode::DcVoltage:
     111          168 :             case MultimeterService::Mode::AcVoltage:
     112          408 :                 rangeOptionValue =  parseNumber<std::milli>(value, u"V"_s, 50); // mV.
     113          408 :                 break;
     114          216 :             case MultimeterService::Mode::DcCurrent:
     115          112 :             case MultimeterService::Mode::AcCurrent:
     116          272 :                 rangeOptionValue = parseNumber<std::milli>(value, u"A"_s, 5); // mA.
     117          272 :                 break;
     118            0 :             case MultimeterService::Mode::Resistance:
     119            0 :                 rangeOptionValue = parseNumber<std::ratio<1>>(value, u"ohms"_s);
     120            0 :                 break;
     121          136 :             case MultimeterService::Mode::Capacitance:
     122          136 :                 rangeOptionValue = parseNumber<std::nano>(value, u"F"_s, 500); // pF.
     123          136 :                 break;
     124          136 :             default:
     125          288 :                 qCInfo(lc).noquote() << tr("Ignoring range value: %1").arg(value);
     126          392 :             }
     127          952 :             if ((minRangeFunc != nullptr) && (rangeOptionValue == 0)) {
     128          179 :                 errors.append(tr("Invalid range value: %1").arg(value));
     129           56 :             }
     130          392 :         }
     131         1023 :     }
     132              : 
     133              :     // Parse the samples option.
     134         4117 :     if (parser.isSet(u"samples"_s)) {
     135          564 :         const QString value = parser.value(u"samples"_s);
     136          408 :         const quint32 samples = parseNumber<std::ratio<1>>(value, u"S"_s);
     137          408 :         if (samples == 0) {
     138          358 :             errors.append(tr("Invalid samples value: %1").arg(value));
     139          112 :         } else {
     140          136 :             samplesToGo = samples;
     141           56 :         }
     142          279 :     }
     143         1288 :     return errors;
     144         1288 : }
     145              : 
     146              : /*!
     147              :  * \copybrief DeviceCommand::getService
     148              :  *
     149              :  * This override returns a pointer to a MultimeterService object.
     150              :  */
     151            0 : AbstractPokitService * MeterCommand::getService()
     152            0 : {
     153            0 :     Q_ASSERT(device);
     154            0 :     if (!service) {
     155            0 :         service = device->multimeter();
     156            0 :         Q_ASSERT(service);
     157            0 :         connect(service, &MultimeterService::settingsWritten,
     158            0 :                 this, &MeterCommand::settingsWritten);
     159            0 :     }
     160            0 :     return service;
     161            0 : }
     162              : 
     163              : /*!
     164              :  * \copybrief DeviceCommand::serviceDetailsDiscovered
     165              :  *
     166              :  * This override fetches the current device's status, and outputs it in the selected format.
     167              :  */
     168            0 : void MeterCommand::serviceDetailsDiscovered()
     169            0 : {
     170            0 :     DeviceCommand::serviceDetailsDiscovered(); // Just logs consistently.
     171            0 :     settings.range = (minRangeFunc == nullptr) ? 0 : minRangeFunc(*service->pokitProduct(), rangeOptionValue);
     172            0 :     const QString range = service->toString(settings.range, settings.mode);
     173            0 :     qCInfo(lc).noquote() << tr("Measuring %1, with range %2, every %L3ms.").arg(
     174            0 :         MultimeterService::toString(settings.mode),
     175            0 :         (range.isNull()) ? QString::fromLatin1("N/A") : range).arg(settings.updateInterval);
     176            0 :     service->setSettings(settings);
     177            0 : }
     178              : 
     179              : /*!
     180              :  * \var MeterCommand::minRangeFunc
     181              :  *
     182              :  * Pointer to function for converting #rangeOptionValue to a Pokit device's range enumerator. This function pointer
     183              :  * is assigned during the command line parsing, but is not invoked until after the device's services are discovered,
     184              :  * because prior to that discovery, we don't know which product (Meter vs Pro vs Clamp, etc) we're talking to and thus
     185              :  * which enumerator list to be using.
     186              :  *
     187              :  * If the current mode does not support ranges (eg diode, and continuity modes), then this member will be \c nullptr.
     188              :  *
     189              :  * \see processOptions
     190              :  * \see serviceDetailsDiscovered
     191              :  */
     192              : 
     193              : /*!
     194              :  * Invoked when the multimeter settings have been written, to begin reading the meter values.
     195              :  */
     196            0 : void MeterCommand::settingsWritten()
     197            0 : {
     198            0 :     qCDebug(lc).noquote() << tr("Settings written; starting meter readings...");
     199            0 :     connect(service, &MultimeterService::readingRead,
     200            0 :             this, &MeterCommand::outputReading);
     201            0 :     service->enableReadingNotifications();
     202            0 : }
     203              : 
     204              : /*!
     205              :  * Outputs meter \a reading in the selected output format.
     206              :  */
     207         6000 : void MeterCommand::outputReading(const MultimeterService::Reading &reading)
     208         1800 : {
     209         5025 :     QString status;
     210         7800 :     if (reading.status == MultimeterService::MeterStatus::Error) {
     211          624 :         status = u"Error"_s;
     212         7176 :     } else switch (reading.mode) {
     213          216 :     case MultimeterService::Mode::Idle:
     214          216 :         break;
     215         3024 :     case MultimeterService::Mode::DcVoltage:
     216          288 :     case MultimeterService::Mode::AcVoltage:
     217          432 :     case MultimeterService::Mode::DcCurrent:
     218          576 :     case MultimeterService::Mode::AcCurrent:
     219          720 :     case MultimeterService::Mode::Resistance:
     220          864 :     case MultimeterService::Mode::Capacitance:
     221          864 :         status = (reading.status == MultimeterService::MeterStatus::AutoRangeOn)
     222         5076 :             ? tr("Auto Range On") : tr("Auto Range Off");
     223         3744 :         break;
     224         1248 :     case MultimeterService::Mode::Continuity:
     225          288 :         status = (reading.status == MultimeterService::MeterStatus::Continuity)
     226         1692 :             ? tr("Continuity") : tr("No continuity");
     227         1248 :         break;
     228         1104 :     case MultimeterService::Mode::Temperature:
     229          144 :     case MultimeterService::Mode::ExternalTemperature:
     230          288 :     case MultimeterService::Mode::Diode:
     231          876 :         status = tr("Ok");
     232         1248 :         break;
     233         1656 :     }
     234              : 
     235         7800 :     QString unit;
     236         7800 :     switch (reading.mode) {
     237          360 :     case MultimeterService::Mode::Idle:        break;
     238          882 :     case MultimeterService::Mode::DcVoltage:   unit = u"Vdc"_s; break;
     239          882 :     case MultimeterService::Mode::AcVoltage:   unit = u"Vac"_s; break;
     240          882 :     case MultimeterService::Mode::DcCurrent:   unit = u"Adc"_s; break;
     241          882 :     case MultimeterService::Mode::AcCurrent:   unit = u"Aac"_s; break;
     242          882 :     case MultimeterService::Mode::Resistance:  unit = QString::fromUtf8("Ω"); break;
     243          144 :     case MultimeterService::Mode::Diode:       break;
     244          288 :     case MultimeterService::Mode::Continuity:  break;
     245          882 :     case MultimeterService::Mode::Temperature: unit = QString::fromUtf8("°C"); break;
     246          882 :     case MultimeterService::Mode::Capacitance: unit = QString::fromUtf8("F");  break;
     247            0 :     case MultimeterService::Mode::ExternalTemperature: unit = QString::fromUtf8("°C"); break;
     248         1800 :     }
     249              : 
     250        10575 :     const QString range = service->toString(reading.range, reading.mode);
     251              : 
     252         7800 :     switch (format) {
     253          600 :     case OutputFormat::Csv:
     254         4056 :         for (; showCsvHeader; showCsvHeader = false) {
     255         2058 :             std::cout << qUtf8Printable(tr("mode,value,unit,status,range\n"));
     256          336 :         }
     257         6500 :         std::cout << qUtf8Printable(QString::fromLatin1("%1,%2,%3,%4,%5\n")
     258          600 :             .arg(escapeCsvField(MultimeterService::toString(reading.mode)))
     259          600 :             .arg(reading.value, 0, 'f').arg(unit, status, range)
     260          600 :             );
     261         2600 :         break;
     262         2600 :     case OutputFormat::Json: {
     263          600 :         QJsonObject object{
     264         3300 :             { u"status"_s, status },
     265         3900 :             { u"value"_s, qIsInf(reading.value) ?
     266         2675 :                 QJsonValue(tr("Infinity")) : QJsonValue(reading.value) },
     267         5300 :             { u"mode"_s,   MultimeterService::toString(reading.mode) },
     268        12075 :         };
     269         2600 :         if (!unit.isNull()) {
     270         2954 :             object.insert(u"unit"_s, unit);
     271          336 :         }
     272         2600 :         if (!range.isNull()) {
     273         2321 :             object.insert(u"range"_s, range);
     274          264 :         }
     275         4600 :         std::cout << QJsonDocument(object).toJson().toStdString();
     276         2600 :     }   break;
     277         2600 :     case OutputFormat::Text:
     278         5000 :         std::cout << qUtf8Printable(tr("Mode:   %1 (0x%2)\n").arg(MultimeterService::toString(reading.mode))
     279          600 :             .arg((quint8)reading.mode,2,16,'0'_L1));
     280         5775 :         std::cout << qUtf8Printable(tr("Value:  %1 %2\n").arg(reading.value,0,'f').arg(unit));
     281         4750 :         std::cout << qUtf8Printable(tr("Status: %1 (0x%2)\n").arg(status)
     282          600 :             .arg((quint8)reading.status,2,16,'0'_L1));
     283         4550 :         std::cout << qUtf8Printable(tr("Range:  %1 (0x%2)\n").arg(range)
     284          600 :             .arg((quint8)reading.range,2,16,'0'_L1));
     285         2600 :         break;
     286         1800 :     }
     287              : 
     288         7800 :     if ((samplesToGo > 0) && (--samplesToGo == 0)) {
     289            0 :         if (device) disconnect(); // Will exit the application once disconnected.
     290            0 :     }
     291        13100 : }
        

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