Bug/aare file reading (#230)

MasterFile supports reading new json file format (backwards compatible
for older versions)
Multiple ROI's not supported yet

RELEASE.md

@@ -1,5 +1,10 @@
 # Release notes
 
+### 2025.10.1
+
+Bugfixes: 
+
+- File supports reading new master json file format (multiple ROI's not supported yet)
 
 ### 2025.8.22
 
@@ -43,3 +48,6 @@ Bugfixes:
 
 
 
+
+
+

include/aare/RawMasterFile.hpp

@@ -42,14 +42,16 @@ class RawFileNameComponents {
 
 class ScanParameters {
     bool m_enabled = false;
-    std::string m_dac;
+    DACIndex m_dac{};
     int m_start = 0;
     int m_stop = 0;
     int m_step = 0;
-    // TODO! add settleTime, requires string to time conversion
+    int64_t m_settleTime = 0; // [ns]
 
   public:
     ScanParameters(const std::string &par);
+    ScanParameters(const bool enabled, const DACIndex dac, const int start,
+                   const int stop, const int step, const int64_t settleTime);
     ScanParameters() = default;
     ScanParameters(const ScanParameters &) = default;
     ScanParameters &operator=(const ScanParameters &) = default;
@@ -57,8 +59,9 @@ class ScanParameters {
     int start() const;
     int stop() const;
     int step() const;
-    const std::string &dac() const;
+    DACIndex dac() const;
     bool enabled() const;
+    int64_t settleTime() const;
     void increment_stop();
 };
 

include/aare/defs.hpp

@@ -215,6 +215,122 @@ enum class DetectorType {
     Unknown
 };
 
+/**
+ * @brief Enum class to define the Digital to Analog converter
+ * The values are the same as in slsDetectorPackage
+ */
+enum DACIndex {
+    DAC_0,
+    DAC_1,
+    DAC_2,
+    DAC_3,
+    DAC_4,
+    DAC_5,
+    DAC_6,
+    DAC_7,
+    DAC_8,
+    DAC_9,
+    DAC_10,
+    DAC_11,
+    DAC_12,
+    DAC_13,
+    DAC_14,
+    DAC_15,
+    DAC_16,
+    DAC_17,
+    VSVP,
+    VTRIM,
+    VRPREAMP,
+    VRSHAPER,
+    VSVN,
+    VTGSTV,
+    VCMP_LL,
+    VCMP_LR,
+    VCAL,
+    VCMP_RL,
+    RXB_RB,
+    RXB_LB,
+    VCMP_RR,
+    VCP,
+    VCN,
+    VISHAPER,
+    VTHRESHOLD,
+    IO_DELAY,
+    VREF_DS,
+    VOUT_CM,
+    VIN_CM,
+    VREF_COMP,
+    VB_COMP,
+    VDD_PROT,
+    VIN_COM,
+    VREF_PRECH,
+    VB_PIXBUF,
+    VB_DS,
+    VREF_H_ADC,
+    VB_COMP_FE,
+    VB_COMP_ADC,
+    VCOM_CDS,
+    VREF_RSTORE,
+    VB_OPA_1ST,
+    VREF_COMP_FE,
+    VCOM_ADC1,
+    VREF_L_ADC,
+    VREF_CDS,
+    VB_CS,
+    VB_OPA_FD,
+    VCOM_ADC2,
+    VCASSH,
+    VTH2,
+    VRSHAPER_N,
+    VIPRE_OUT,
+    VTH3,
+    VTH1,
+    VICIN,
+    VCAS,
+    VCAL_N,
+    VIPRE,
+    VCAL_P,
+    VDCSH,
+    VBP_COLBUF,
+    VB_SDA,
+    VCASC_SFP,
+    VIPRE_CDS,
+    IBIAS_SFP,
+    ADC_VPP,
+    HIGH_VOLTAGE,
+    TEMPERATURE_ADC,
+    TEMPERATURE_FPGA,
+    TEMPERATURE_FPGAEXT,
+    TEMPERATURE_10GE,
+    TEMPERATURE_DCDC,
+    TEMPERATURE_SODL,
+    TEMPERATURE_SODR,
+    TEMPERATURE_FPGA2,
+    TEMPERATURE_FPGA3,
+    TRIMBIT_SCAN,
+    V_POWER_A = 100,
+    V_POWER_B = 101,
+    V_POWER_C = 102,
+    V_POWER_D = 103,
+    V_POWER_IO = 104,
+    V_POWER_CHIP = 105,
+    I_POWER_A = 106,
+    I_POWER_B = 107,
+    I_POWER_C = 108,
+    I_POWER_D = 109,
+    I_POWER_IO = 110,
+    V_LIMIT = 111,
+    SLOW_ADC0 = 1000,
+    SLOW_ADC1,
+    SLOW_ADC2,
+    SLOW_ADC3,
+    SLOW_ADC4,
+    SLOW_ADC5,
+    SLOW_ADC6,
+    SLOW_ADC7,
+    SLOW_ADC_TEMP
+};
+
 enum class TimingMode { Auto, Trigger };
 enum class FrameDiscardPolicy { NoDiscard, Discard, DiscardPartial };
 
@@ -231,6 +347,15 @@ template <> FrameDiscardPolicy StringTo(const std::string & /*mode*/);
 
 using DataTypeVariants = std::variant<uint16_t, uint32_t>;
 
-constexpr uint16_t ADC_MASK = 0x3FFF; // used to mask out the gain bits in Jungfrau
+constexpr uint16_t ADC_MASK =
+    0x3FFF; // used to mask out the gain bits in Jungfrau
+
+/**
+ * @brief Convert a string to a DACIndex
+ * @param arg string representation of the dacIndex
+ * @return DACIndex
+ * @throw invalid argument error if the string does not match any DACIndex
+ */
+template <> DACIndex StringTo(const std::string &arg);
 
 } // namespace aare

src/RawFile.test.cpp

@@ -99,7 +99,8 @@ TEST_CASE("Read data from a jungfrau 500k single port raw file",
 }
 
 TEST_CASE("Read frame numbers from a raw file", "[.with-data]") {
-    auto fpath = test_data_path() / "raw/eiger" / "eiger_500k_16bit_master_0.json";
+    auto fpath =
+        test_data_path() / "raw/eiger" / "eiger_500k_16bit_master_0.json";
     REQUIRE(std::filesystem::exists(fpath));
 
     // we know this file has 3 frames with frame numbers 14, 15, 16
@@ -288,8 +289,7 @@ TEST_CASE("check find_geometry", "[.with-data]") {
     }
 }
 
-TEST_CASE("Open multi module file with ROI",
+TEST_CASE("Open multi module file with ROI", "[.with-data]") {
-          "[.with-data]") {
 
     auto fpath = test_data_path() / "raw/SingleChipROI/Data_master_0.json";
     REQUIRE(std::filesystem::exists(fpath));
@@ -319,4 +319,4 @@ TEST_CASE("Read file with unordered frames", "[.with-data]") {
     REQUIRE(std::filesystem::exists(fpath));
     File f(fpath);
     REQUIRE_THROWS((f.read_frame()));
-}
+}

src/RawMasterFile.cpp

@@ -64,6 +64,12 @@ const std::string &RawFileNameComponents::base_name() const {
 const std::string &RawFileNameComponents::ext() const { return m_ext; }
 int RawFileNameComponents::file_index() const { return m_file_index; }
 
+ScanParameters::ScanParameters(const bool enabled, const DACIndex dac,
+                               const int start, const int stop, const int step,
+                               const int64_t settleTime)
+    : m_enabled(enabled), m_dac(dac), m_start(start), m_stop(stop),
+      m_step(step), m_settleTime(settleTime){};
+
 // "[enabled\ndac dac 4\nstart 500\nstop 2200\nstep 5\nsettleTime 100us\n]"
 ScanParameters::ScanParameters(const std::string &par) {
     std::istringstream iss(par.substr(1, par.size() - 2));
@@ -72,7 +78,7 @@ ScanParameters::ScanParameters(const std::string &par) {
         if (line == "enabled") {
             m_enabled = true;
         } else if (line.find("dac") != std::string::npos) {
-            m_dac = line.substr(4);
+            m_dac = StringTo<DACIndex>(line.substr(4));
         } else if (line.find("start") != std::string::npos) {
             m_start = std::stoi(line.substr(6));
         } else if (line.find("stop") != std::string::npos) {
@@ -87,8 +93,9 @@ int ScanParameters::start() const { return m_start; }
 int ScanParameters::stop() const { return m_stop; }
 void ScanParameters::increment_stop() { m_stop += 1; }
 int ScanParameters::step() const { return m_step; }
-const std::string &ScanParameters::dac() const { return m_dac; }
+DACIndex ScanParameters::dac() const { return m_dac; }
 bool ScanParameters::enabled() const { return m_enabled; }
+int64_t ScanParameters::settleTime() const { return m_settleTime; }
 
 RawMasterFile::RawMasterFile(const std::filesystem::path &fpath)
     : m_fnc(fpath) {
@@ -170,6 +177,7 @@ void RawMasterFile::parse_json(const std::filesystem::path &fpath) {
     std::ifstream ifs(fpath);
     json j;
     ifs >> j;
+
     double v = j["Version"];
     m_version = fmt::format("{:.1f}", v);
 
@@ -181,7 +189,9 @@ void RawMasterFile::parse_json(const std::filesystem::path &fpath) {
         j["Geometry"]["x"]}; // TODO: isnt it only available for version > 7.1?
                              // - try block default should be 1x1
 
-    m_image_size_in_bytes = j["Image Size in bytes"];
+    m_image_size_in_bytes =
+        v < 8.0 ? j["Image Size in bytes"] : j["Image Size"];
+
     m_frames_in_file = j["Frames in File"];
     m_pixels_y = j["Pixels"]["y"];
     m_pixels_x = j["Pixels"]["x"];
@@ -206,7 +216,6 @@ void RawMasterFile::parse_json(const std::filesystem::path &fpath) {
     } catch (const json::out_of_range &e) {
         // keep the optional empty
     }
-
     // ----------------------------------------------------------------
     // Special treatment of analog flag because of Moench03
     try {
@@ -227,7 +236,6 @@ void RawMasterFile::parse_json(const std::filesystem::path &fpath) {
         m_analog_flag = 0;
     }
     //-----------------------------------------------------------------
-
     try {
         m_quad = j.at("Quad");
     } catch (const json::out_of_range &e) {
@@ -239,7 +247,6 @@ void RawMasterFile::parse_json(const std::filesystem::path &fpath) {
     // }catch (const json::out_of_range &e) {
     //     m_adc_mask = 0;
     // }
-
     try {
         int digital_flag = j.at("Digital Flag");
         if (digital_flag) {
@@ -248,7 +255,6 @@ void RawMasterFile::parse_json(const std::filesystem::path &fpath) {
     } catch (const json::out_of_range &e) {
         // keep the optional empty
     }
-
     try {
         m_transceiver_flag = j.at("Transceiver Flag");
         if (m_transceiver_flag) {
@@ -257,10 +263,20 @@ void RawMasterFile::parse_json(const std::filesystem::path &fpath) {
     } catch (const json::out_of_range &e) {
         // keep the optional empty
     }
-
     try {
-        std::string scan_parameters = j.at("Scan Parameters");
+        if (v < 8.0) {
-        m_scan_parameters = ScanParameters(scan_parameters);
+            std::string scan_parameters = j.at("Scan Parameters");
+            m_scan_parameters = ScanParameters(scan_parameters);
+        } else {
+            auto json_obj = j.at("Scan Parameters");
+            m_scan_parameters = ScanParameters(
+                json_obj.at("enable").get<int>(),
+                static_cast<DACIndex>(json_obj.at("dacInd").get<int>()),
+                json_obj.at("start offset").get<int>(),
+                json_obj.at("stop offset").get<int>(),
+                json_obj.at("step size").get<int>(),
+                json_obj.at("dac settle time ns").get<int>());
+        }
         if (v < 7.21) {
             m_scan_parameters
                 .increment_stop(); // adjust for endpoint being included
@@ -268,6 +284,7 @@ void RawMasterFile::parse_json(const std::filesystem::path &fpath) {
     } catch (const json::out_of_range &e) {
         // not a scan
     }
+
     try {
         m_udp_interfaces_per_module = {j.at("Number of UDP Interfaces"), 1};
     } catch (const json::out_of_range &e) {
@@ -277,14 +294,22 @@ void RawMasterFile::parse_json(const std::filesystem::path &fpath) {
             m_udp_interfaces_per_module = {1, 2};
         }
     }
-
     try {
         ROI tmp_roi;
-        auto obj = j.at("Receiver Roi");
+        if (v < 8.0) {
-        tmp_roi.xmin = obj.at("xmin");
+            auto obj = j.at("Receiver Roi");
-        tmp_roi.xmax = obj.at("xmax");
+            tmp_roi.xmin = obj.at("xmin");
-        tmp_roi.ymin = obj.at("ymin");
+            tmp_roi.xmax = obj.at("xmax");
-        tmp_roi.ymax = obj.at("ymax");
+            tmp_roi.ymin = obj.at("ymin");
+            tmp_roi.ymax = obj.at("ymax");
+        } else {
+            // TODO: for now only handle single ROI
+            auto obj = j.at("Receiver Rois");
+            tmp_roi.xmin = obj[0].at("xmin");
+            tmp_roi.xmax = obj[0].at("xmax");
+            tmp_roi.ymin = obj[0].at("ymin");
+            tmp_roi.ymax = obj[0].at("ymax");
+        }
 
         // if any of the values are set update the roi
         if (tmp_roi.xmin != 4294967295 || tmp_roi.xmax != 4294967295 ||
@@ -298,14 +323,10 @@ void RawMasterFile::parse_json(const std::filesystem::path &fpath) {
         }
 
     } catch (const json::out_of_range &e) {
-        std::cout << e.what() << std::endl;
+        LOG(TLogLevel::logERROR) << e.what() << std::endl;
         // leave the optional empty
     }
 
-    // if we have an roi we need to update the geometry for the subfiles
-    if (m_roi) {
-    }
-
 // Update detector type for Moench
 // TODO! How does this work with old .raw master files?
 #ifdef AARE_VERBOSE

src/RawMasterFile.test.cpp

@@ -51,7 +51,7 @@ TEST_CASE("Parse scan parameters") {
     ScanParameters s("[enabled\ndac dac 4\nstart 500\nstop 2200\nstep "
                      "5\nsettleTime 100us\n]");
     REQUIRE(s.enabled());
-    REQUIRE(s.dac() == "dac 4");
+    REQUIRE(s.dac() == DACIndex::DAC_4);
     REQUIRE(s.start() == 500);
     REQUIRE(s.stop() == 2200);
     REQUIRE(s.step() == 5);
@@ -60,7 +60,7 @@ TEST_CASE("Parse scan parameters") {
 TEST_CASE("A disabled scan") {
     ScanParameters s("[disabled]");
     REQUIRE_FALSE(s.enabled());
-    REQUIRE(s.dac() == "");
+    REQUIRE(s.dac() == DACIndex::DAC_0);
     REQUIRE(s.start() == 0);
     REQUIRE(s.stop() == 0);
     REQUIRE(s.step() == 0);
@@ -68,7 +68,7 @@ TEST_CASE("A disabled scan") {
 
 TEST_CASE("Parse a master file in .json format", "[.integration]") {
     auto fpath =
-        test_data_path() / "jungfrau" / "jungfrau_single_master_0.json";
+        test_data_path() / "raw" / "jungfrau" / "jungfrau_single_master_0.json";
     REQUIRE(std::filesystem::exists(fpath));
     RawMasterFile f(fpath);
 
@@ -224,6 +224,41 @@ TEST_CASE("Parse a master file in .raw format", "[.integration]") {
     // Packets Caught Mask        : 64 bytes
 }
 
+TEST_CASE("Parse a master file in new .json format",
+          "[.integration][.width-data]") {
+
+    auto file_path =
+        test_data_path() / "raw" / "newmythen03" / "run_87_master_0.json";
+    REQUIRE(std::filesystem::exists(file_path));
+
+    RawMasterFile f(file_path);
+
+    // Version                    : 8.0
+    REQUIRE(f.version() == "8.0");
+
+    REQUIRE(f.detector_type() == DetectorType::Mythen3);
+    // Timing Mode                : auto
+    REQUIRE(f.timing_mode() == TimingMode::Auto);
+    // Geometry                   : [2, 1]
+    REQUIRE(f.geometry().col == 2);
+    REQUIRE(f.geometry().row == 1);
+    // Image Size                 : 5120 bytes
+    REQUIRE(f.image_size_in_bytes() == 5120);
+
+    REQUIRE(f.scan_parameters().enabled() == false);
+    REQUIRE(f.scan_parameters().dac() == DACIndex::DAC_0);
+    REQUIRE(f.scan_parameters().start() == 0);
+    REQUIRE(f.scan_parameters().stop() == 0);
+    REQUIRE(f.scan_parameters().step() == 0);
+    REQUIRE(f.scan_parameters().settleTime() == 0);
+
+    auto roi = f.roi().value();
+    REQUIRE(roi.xmin == 0);
+    REQUIRE(roi.xmax == 2559);
+    REQUIRE(roi.ymin == -1);
+    REQUIRE(roi.ymax == -1);
+}
+
 TEST_CASE("Read eiger master file", "[.integration]") {
     auto fpath = test_data_path() / "eiger" / "eiger_500k_32bit_master_0.json";
     REQUIRE(std::filesystem::exists(fpath));
@@ -292,4 +327,4 @@ TEST_CASE("Read eiger master file", "[.integration]") {
     //         "Packets Caught Mask": "64 bytes"
     //     }
     // }
-}
+}

src/defs.cpp

@@ -115,4 +115,186 @@ template <> FrameDiscardPolicy StringTo(const std::string &arg) {
 
 // template <> TimingMode StringTo<TimingMode>(std::string mode);
 
+template <> DACIndex StringTo(const std::string &arg) {
+    if (arg == "dac 0")
+        return DACIndex::DAC_0;
+    else if (arg == "dac 1")
+        return DACIndex::DAC_1;
+    else if (arg == "dac 2")
+        return DACIndex::DAC_2;
+    else if (arg == "dac 3")
+        return DACIndex::DAC_3;
+    else if (arg == "dac 4")
+        return DACIndex::DAC_4;
+    else if (arg == "dac 5")
+        return DACIndex::DAC_5;
+    else if (arg == "dac 6")
+        return DACIndex::DAC_6;
+    else if (arg == "dac 7")
+        return DACIndex::DAC_7;
+    else if (arg == "dac 8")
+        return DACIndex::DAC_8;
+    else if (arg == "dac 9")
+        return DACIndex::DAC_9;
+    else if (arg == "dac 10")
+        return DACIndex::DAC_10;
+    else if (arg == "dac 11")
+        return DACIndex::DAC_11;
+    else if (arg == "dac 12")
+        return DACIndex::DAC_12;
+    else if (arg == "dac 13")
+        return DACIndex::DAC_13;
+    else if (arg == "dac 14")
+        return DACIndex::DAC_14;
+    else if (arg == "dac 15")
+        return DACIndex::DAC_15;
+    else if (arg == "dac 16")
+        return DACIndex::DAC_16;
+    else if (arg == "dac 17")
+        return DACIndex::DAC_17;
+    else if (arg == "vsvp")
+        return DACIndex::VSVP;
+    else if (arg == "vtrim")
+        return DACIndex::VTRIM;
+    else if (arg == "vrpreamp")
+        return DACIndex::VRPREAMP;
+    else if (arg == "vrshaper")
+        return DACIndex::VRSHAPER;
+    else if (arg == "vsvn")
+        return DACIndex::VSVN;
+    else if (arg == "vtgstv")
+        return DACIndex::VTGSTV;
+    else if (arg == "vcmp_ll")
+        return DACIndex::VCMP_LL;
+    else if (arg == "vcmp_lr")
+        return DACIndex::VCMP_LR;
+    else if (arg == "vcal")
+        return DACIndex::VCAL;
+    else if (arg == "vcmp_rl")
+        return DACIndex::VCMP_RL;
+    else if (arg == "rxb_rb")
+        return DACIndex::RXB_RB;
+    else if (arg == "rxb_lb")
+        return DACIndex::RXB_LB;
+    else if (arg == "vcmp_rr")
+        return DACIndex::VCMP_RR;
+    else if (arg == "vcp")
+        return DACIndex::VCP;
+    else if (arg == "vcn")
+        return DACIndex::VCN;
+    else if (arg == "vishaper")
+        return DACIndex::VISHAPER;
+    else if (arg == "vthreshold")
+        return DACIndex::VTHRESHOLD;
+    else if (arg == "vref_ds")
+        return DACIndex::VREF_DS;
+    else if (arg == "vout_cm")
+        return DACIndex::VOUT_CM;
+    else if (arg == "vin_cm")
+        return DACIndex::VIN_CM;
+    else if (arg == "vref_comp")
+        return DACIndex::VREF_COMP;
+    else if (arg == "vb_comp")
+        return DACIndex::VB_COMP;
+    else if (arg == "vdd_prot")
+        return DACIndex::VDD_PROT;
+    else if (arg == "vin_com")
+        return DACIndex::VIN_COM;
+    else if (arg == "vref_prech")
+        return DACIndex::VREF_PRECH;
+    else if (arg == "vb_pixbuf")
+        return DACIndex::VB_PIXBUF;
+    else if (arg == "vb_ds")
+        return DACIndex::VB_DS;
+    else if (arg == "vref_h_adc")
+        return DACIndex::VREF_H_ADC;
+    else if (arg == "vb_comp_fe")
+        return DACIndex::VB_COMP_FE;
+    else if (arg == "vb_comp_adc")
+        return DACIndex::VB_COMP_ADC;
+    else if (arg == "vcom_cds")
+        return DACIndex::VCOM_CDS;
+    else if (arg == "vref_rstore")
+        return DACIndex::VREF_RSTORE;
+    else if (arg == "vb_opa_1st")
+        return DACIndex::VB_OPA_1ST;
+    else if (arg == "vref_comp_fe")
+        return DACIndex::VREF_COMP_FE;
+    else if (arg == "vcom_adc1")
+        return DACIndex::VCOM_ADC1;
+    else if (arg == "vref_l_adc")
+        return DACIndex::VREF_L_ADC;
+    else if (arg == "vref_cds")
+        return DACIndex::VREF_CDS;
+    else if (arg == "vb_cs")
+        return DACIndex::VB_CS;
+    else if (arg == "vb_opa_fd")
+        return DACIndex::VB_OPA_FD;
+    else if (arg == "vcom_adc2")
+        return DACIndex::VCOM_ADC2;
+    else if (arg == "vcassh")
+        return DACIndex::VCASSH;
+    else if (arg == "vth2")
+        return DACIndex::VTH2;
+    else if (arg == "vrshaper_n")
+        return DACIndex::VRSHAPER_N;
+    else if (arg == "vipre_out")
+        return DACIndex::VIPRE_OUT;
+    else if (arg == "vth3")
+        return DACIndex::VTH3;
+    else if (arg == "vth1")
+        return DACIndex::VTH1;
+    else if (arg == "vicin")
+        return DACIndex::VICIN;
+    else if (arg == "vcas")
+        return DACIndex::VCAS;
+    else if (arg == "vcal_n")
+        return DACIndex::VCAL_N;
+    else if (arg == "vipre")
+        return DACIndex::VIPRE;
+    else if (arg == "vcal_p")
+        return DACIndex::VCAL_P;
+    else if (arg == "vdcsh")
+        return DACIndex::VDCSH;
+    else if (arg == "vbp_colbuf")
+        return DACIndex::VBP_COLBUF;
+    else if (arg == "vb_sda")
+        return DACIndex::VB_SDA;
+    else if (arg == "vcasc_sfp")
+        return DACIndex::VCASC_SFP;
+    else if (arg == "vipre_cds")
+        return DACIndex::VIPRE_CDS;
+    else if (arg == "ibias_sfp")
+        return DACIndex::IBIAS_SFP;
+    else if (arg == "trimbits")
+        return DACIndex::TRIMBIT_SCAN;
+    else if (arg == "highvoltage")
+        return DACIndex::HIGH_VOLTAGE;
+    else if (arg == "iodelay")
+        return DACIndex::IO_DELAY;
+    else if (arg == "temp_adc")
+        return DACIndex::TEMPERATURE_ADC;
+    else if (arg == "temp_fpga")
+        return DACIndex::TEMPERATURE_FPGA;
+    else if (arg == "temp_fpgaext")
+        return DACIndex::TEMPERATURE_FPGAEXT;
+    else if (arg == "temp_10ge")
+        return DACIndex::TEMPERATURE_10GE;
+    else if (arg == "temp_dcdc")
+        return DACIndex::TEMPERATURE_DCDC;
+    else if (arg == "temp_sodl")
+        return DACIndex::TEMPERATURE_SODL;
+    else if (arg == "temp_sodr")
+        return DACIndex::TEMPERATURE_SODR;
+    else if (arg == "temp_fpgafl")
+        return DACIndex::TEMPERATURE_FPGA2;
+    else if (arg == "temp_fpgafr")
+        return DACIndex::TEMPERATURE_FPGA3;
+    else if (arg == "temp_slowadc")
+        return DACIndex::SLOW_ADC_TEMP;
+    else
+        throw std::invalid_argument("Could not decode DACIndex from: \"" + arg +
+                                    "\"");
+}
+
 } // namespace aare