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LeCroyOscilloscope.cpp
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LeCroyOscilloscope.cpp
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/***********************************************************************************************************************
* *
* ANTIKERNEL v0.1 *
* *
* Copyright (c) 2012-2020 Andrew D. Zonenberg *
* All rights reserved. *
* *
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the *
* following conditions are met: *
* *
* * Redistributions of source code must retain the above copyright notice, this list of conditions, and the *
* following disclaimer. *
* *
* * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the *
* following disclaimer in the documentation and/or other materials provided with the distribution. *
* *
* * Neither the name of the author nor the names of any contributors may be used to endorse or promote products *
* derived from this software without specific prior written permission. *
* *
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL *
* THE AUTHORS BE HELD LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES *
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR *
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT *
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE *
* POSSIBILITY OF SUCH DAMAGE. *
* *
***********************************************************************************************************************/
#include "scopehal.h"
#include "LeCroyOscilloscope.h"
#include "base64.h"
#include <locale>
#include <immintrin.h>
#include <omp.h>
#include "DropoutTrigger.h"
#include "EdgeTrigger.h"
#include "GlitchTrigger.h"
#include "PulseWidthTrigger.h"
#include "RuntTrigger.h"
#include "SlewRateTrigger.h"
#include "UartTrigger.h"
#include "WindowTrigger.h"
using namespace std;
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Construction / destruction
LeCroyOscilloscope::LeCroyOscilloscope(SCPITransport* transport)
: SCPIOscilloscope(transport)
, m_hasLA(false)
, m_hasDVM(false)
, m_hasFunctionGen(false)
, m_hasFastSampleRate(false)
, m_memoryDepthOption(0)
, m_hasI2cTrigger(false)
, m_hasSpiTrigger(false)
, m_hasUartTrigger(false)
, m_maxBandwidth(10000)
, m_triggerArmed(false)
, m_triggerOneShot(false)
, m_sampleRateValid(false)
, m_sampleRate(1)
, m_memoryDepthValid(false)
, m_memoryDepth(1)
, m_triggerOffsetValid(false)
, m_triggerOffset(0)
, m_interleaving(false)
, m_interleavingValid(false)
, m_meterMode(Multimeter::DC_VOLTAGE)
, m_meterModeValid(false)
, m_highDefinition(false)
{
//standard initialization
FlushConfigCache();
IdentifyHardware();
DetectAnalogChannels();
SharedCtorInit();
DetectOptions();
}
void LeCroyOscilloscope::SharedCtorInit()
{
m_digitalChannelCount = 0;
//Add the external trigger input
m_extTrigChannel =
new OscilloscopeChannel(this, "Ext", OscilloscopeChannel::CHANNEL_TYPE_TRIGGER, "", 1, m_channels.size(), true);
m_channels.push_back(m_extTrigChannel);
//Desired format for waveform data
//Only use increased bit depth if the scope actually puts content there!
if(m_highDefinition)
m_transport->SendCommand("COMM_FORMAT DEF9,WORD,BIN");
else
m_transport->SendCommand("COMM_FORMAT DEF9,BYTE,BIN");
//Always use "fixed sample rate" config for setting timebase
m_transport->SendCommand("VBS 'app.Acquisition.Horizontal.Maximize=\"FixedSampleRate\"'");
//If interleaving, disable the extra channels
if(IsInterleaving())
{
m_channelsEnabled[0] = false;
m_channelsEnabled[3] = false;
}
//Clear the state-change register to we get rid of any history we don't care about
PollTrigger();
}
void LeCroyOscilloscope::IdentifyHardware()
{
//Turn off headers (complicate parsing and add fluff to the packets)
m_transport->SendCommand("CHDR OFF");
//Ask for the ID
m_transport->SendCommand("*IDN?");
string reply = m_transport->ReadReply();
char vendor[128] = "";
char model[128] = "";
char serial[128] = "";
char version[128] = "";
if(4 != sscanf(reply.c_str(), "%127[^,],%127[^,],%127[^,],%127s", vendor, model, serial, version))
{
LogError("Bad IDN response %s\n", reply.c_str());
return;
}
m_vendor = vendor;
m_model = model;
m_serial = serial;
m_fwVersion = version;
//Look up model info
m_modelid = MODEL_UNKNOWN;
m_maxBandwidth = 0;
if(m_model.find("DDA5") == 0)
{
m_modelid = MODEL_DDA_5K;
m_maxBandwidth = 5000;
}
else if((m_model.find("HDO4") == 0) && (m_model.find("A") != string::npos))
{
m_modelid = MODEL_HDO_4KA;
m_maxBandwidth = stoi(m_model.substr(4, 2)) * 100;
}
else if((m_model.find("HDO6") == 0) && (m_model.find("A") != string::npos))
{
m_modelid = MODEL_HDO_6KA;
m_maxBandwidth = stoi(m_model.substr(4, 2)) * 100;
}
else if(m_model.find("HDO9") == 0)
{
m_modelid = MODEL_HDO_9K;
m_maxBandwidth = stoi(m_model.substr(4, 1)) * 1000;
}
else if(m_model == "MCM-ZI-A")
{
m_modelid = MODEL_LABMASTER_ZI_A;
//For now assume 100 GHz bandwidth.
//TODO: ID acquisition modules
m_maxBandwidth = 100000;
}
else if(m_model.find("MDA8") == 0)
{
m_modelid = MODEL_MDA_800;
m_highDefinition = true; //Doesn't have "HD" in the name but is still 12 bit resolution
m_maxBandwidth = stoi(m_model.substr(4, 2)) * 100;
}
else if(m_model.find("SDA3") == 0)
{
m_modelid = MODEL_SDA_3K;
m_maxBandwidth = 3000;
}
else if(m_model.find("WM8") == 0)
{
if(m_model.find("ZI-B") != string::npos)
m_modelid = MODEL_WAVEMASTER_8ZI_B;
m_maxBandwidth = stoi(m_model.substr(3, 2)) * 1000;
}
else if(m_model.find("SDA8") == 0)
{
if(m_model.find("ZI-B") != string::npos)
m_modelid = MODEL_SDA_8ZI_B;
else if(m_model.find("ZI-A") != string::npos)
m_modelid = MODEL_SDA_8ZI_A;
else
m_modelid = MODEL_SDA_8ZI;
m_maxBandwidth = stoi(m_model.substr(4, 2)) * 1000;
}
else if(m_model.find("WAVERUNNER8") == 0)
{
m_modelid = MODEL_WAVERUNNER_8K;
m_maxBandwidth = stoi(m_model.substr(11, 2)) * 100;
if(m_model.find("HD") != string::npos)
m_modelid = MODEL_WAVERUNNER_8K_HD;
}
else if(m_model.find("WP") == 0)
{
if(m_model.find("HD") != string::npos)
m_modelid = MODEL_WAVEPRO_HD;
}
else if(m_model.find("WAVERUNNER9") == 0)
{
m_modelid = MODEL_WAVERUNNER_9K;
m_maxBandwidth = stoi(m_model.substr(11, 2)) * 100;
}
else if(m_model.find("WS3") == 0)
{
m_modelid = MODEL_WAVESURFER_3K;
m_maxBandwidth = stoi(m_model.substr(3, 2)) * 100;
}
else
{
LogWarning("Model \"%s\" is unknown, available sample rates/memory depths may not be properly detected\n",
m_model.c_str());
}
//Enable HD mode by default if model name contains "HD" at any point
if(m_model.find("HD") != string::npos)
m_highDefinition = true;
//300 MHz bandwidth doesn't exist on any known scope.
//It's always 350, but is normally coded in the model ID as if it were 300.
if(m_maxBandwidth == 300)
m_maxBandwidth = 350;
}
void LeCroyOscilloscope::DetectOptions()
{
LogDebug("\n");
m_transport->SendCommand("*OPT?");
string reply = m_transport->ReadReply();
if(reply.length() > 3)
{
//Read options until we hit a null
vector<string> options;
string opt;
for(unsigned int i = 0; i < reply.length(); i++)
{
if(reply[i] == 0)
{
options.push_back(opt);
break;
}
else if(reply[i] == ',')
{
options.push_back(opt);
opt = "";
}
//skip newlines
else if(reply[i] == '\n')
continue;
else
opt += reply[i];
}
if(opt != "")
options.push_back(opt);
//Print out the option list and do processing for each
LogDebug("Installed options:\n");
LogDebug(" %-20s %-25s %-35s %-20s\n", "Code", "Type", "Description", "Action");
if(options.empty())
LogDebug("* None\n");
for(auto o : options)
{
string type = "Unknown";
string desc = "Unknown";
string action = "Ignoring";
//Default types
if(o.find("_TDME") != string::npos)
type = "Trig/decode/measure/eye";
else if(o.find("_TDG") != string::npos)
type = "Trig/decode/graph";
else if(o.find("_TD") != string::npos)
type = "Trig/decode";
else if((o.find("_D") != string::npos) || (o.find("-DECODE") != string::npos))
type = "Protocol decode";
//If we have an LA module installed, add the digital channels
if((o == "MSXX") && !m_hasLA)
{
type = "Hardware";
desc = "16-channel MSO probe";
action = "Enabled";
AddDigitalChannels(16);
}
//If we have the voltmeter installed, make a note of that
else if(o == "DVM")
{
m_hasDVM = true;
type = "Hardware";
desc = "Digital multimeter";
action = "Enabled";
SetMeterAutoRange(false);
}
//If we have the function generator installed, remember that
else if(o == "AFG")
{
m_hasFunctionGen = true;
type = "Hardware";
desc = "Function generator";
action = "Enabled";
}
//Extra sample rate and memory for WaveRunner 8000
else if(o == "-M")
{
m_hasFastSampleRate = true;
m_memoryDepthOption = 128;
type = "Hardware";
desc = "Extra sample rate and memory";
action = "Enabled";
}
//Extra memory depth for WaveRunner 8000HD and WavePro HD
else if(o == "100MS")
{
m_memoryDepthOption = 100;
type = "Hardware";
desc = "100M point memory";
action = "Enabled";
}
else if(o == "200MS")
{
m_memoryDepthOption = 200;
type = "Hardware";
desc = "200M point memory";
action = "Enabled";
}
else if(o == "500MS")
{
m_memoryDepthOption = 500;
type = "Hardware";
desc = "500M point memory";
action = "Enabled";
}
else if(o == "1000MS")
{
m_memoryDepthOption = 1000;
type = "Hardware";
desc = "1000M point memory";
action = "Enabled";
}
else if(o == "2000MS")
{
m_memoryDepthOption = 2000;
type = "Hardware";
desc = "2000M point memory";
action = "Enabled";
}
else if(o == "5000MS")
{
m_memoryDepthOption = 5000;
type = "Hardware";
desc = "5000M point memory";
action = "Enabled";
}
//Print out full names for protocol trigger options and enable trigger mode.
//Note that many of these options don't have _TD in the base (non-TDME) option code!
else if(o.find("I2C") == 0)
{
m_hasI2cTrigger = true;
desc = "I2C"; //seems like UTF-8 characters mess up printf width specifiers
action = "Enabling trigger";
if(o == "I2C")
type = "Trig/decode";
}
else if(o.find("SPI") == 0)
{
m_hasSpiTrigger = true;
desc = "SPI";
action = "Enabling trigger";
if(o == "SPI")
type = "Trig/decode";
}
else if(o.find("UART") == 0)
{
m_hasUartTrigger = true;
desc = "UART";
action = "Enabling trigger";
if(o == "UART")
type = "Trig/decode";
}
else if(o.find("SMBUS") == 0)
{
m_hasI2cTrigger = true;
desc = "SMBus";
//TODO: enable any SMBus specific stuff
if(o == "SMBUS")
type = "Trig/decode";
}
//Currently unsupported protocol decode with trigger capability, but no _TD in the option code
//Print out names but ignore for now
else if(o.find("FLX") == 0)
{
type = "Trig/decode";
desc = "FlexRay";
}
else if(o.find("LIN") == 0)
{
type = "Trig/decode";
desc = "LIN";
}
else if(o.find("MIL1553") == 0)
{
type = "Trig/decode";
desc = "MIL-STD-1553";
}
//Decode only, not a trigger.
//Has to be before USB2 to match properly.
else if(o == "USB2-HSIC-BUS")
{
type = "Protocol decode";
desc = "USB2 HSIC";
}
//Currently unsupported trigger/decodes, to be added in the future
else if(o.find("CAN_FD") == 0)
desc = "CAN FD";
else if(o.find("FIBER_CH") == 0)
desc = "Fibre Channel";
else if(o.find("I2S") == 0)
desc = "I2S";
else if(o.find("I3C") == 0)
desc = "I3C";
else if(o.find("SENT") == 0)
desc = "SENT";
else if(o.find("SPMI") == 0)
desc = "SPMI";
else if(o.find("USB2") == 0)
desc = "USB2";
else if(o.find("USB3") == 0)
desc = "USB3";
else if(o.find("SATA") == 0)
desc = "Serial ATA";
else if(o.find("SAS") == 0)
desc = "Serial Attached SCSI";
else if(o == "HDTV")
{
type = "Trigger"; //FIXME: Is this just 1080p analog trigger support?
desc = "HD analog TV";
}
//Protocol decodes without trigger capability
//Print out name but otherwise ignore
else if(o == "10-100M-ENET-BUS")
{
type = "Protocol decode";
desc = "10/100 Ethernet";
}
else if(o == "10G-ENET-BUS")
{
type = "Protocol decode";
desc = "10G Ethernet";
}
else if(o == "8B10B-BUS")
{
type = "Protocol decode";
desc = "8B/10B";
}
else if(o == "64B66B-BUS")
{
type = "Protocol decode";
desc = "64B/66B";
}
else if((o == "ARINC429") || (o == "ARINC429_DME_SYMB"))
{
type = "Protocol decode";
desc = "ARINC 429";
}
else if(o == "AUTOENETDEBUG")
{
type = "Protocol decode";
desc = "Automotive Ethernet";
}
else if(o == "DIGRF_3G_D")
desc = "DigRF (3G)";
else if(o == "DIGRF_V4_D")
desc = "DigRF (V4)";
else if(o == "DPHY-DECODE")
desc = "MIPI D-PHY";
else if(o == "ET")
{
type = "Protocol decode";
desc = "Electrical Telecom";
}
else if(o == "MANCHESTER-BUS")
{
type = "Protocol decode";
desc = "Manchester";
}
else if(o == "MDIO")
{
type = "Protocol decode";
desc = "Ethernet MDIO";
}
else if(o == "MPHY-DECODE")
desc = "MIPI M-PHY";
else if(o == "PCIE_D")
desc = "PCIe gen 1";
else if(o == "SPACEWIRE")
{
type = "Protocol decode";
desc = "SpaceWire";
}
else if(o == "NRZ-BUS")
{
desc = "NRZ";
type = "Protocol decode";
}
else if(o == "UNIPRO-DECODE")
desc = "UniPro";
//Miscellaneous software option
//Print out name but otherwise ignore
else if(o == "CBL_DBED")
{
type = "Math";
desc = "Cable De-Embedding";
}
else if(o == "DDM2")
{
type = "Math";
desc = "Disk Drive Measurement";
}
else if(o == "DDR2DEBUG")
{
type = "Signal Integrity";
desc = "DDR2 Debug";
}
else if(o == "DDR3DEBUG")
{
type = "Signal Integrity";
desc = "DDR3 Debug";
}
else if(o == "DDR4DEBUG")
{
type = "Signal Integrity";
desc = "DDR4 Debug";
}
else if(o == "DPHY-PHY")
{
type = "Signal Integrity";
desc = "MIPI D-PHY";
}
else if(o == "MPHY-PHY")
{
type = "Signal Integrity";
desc = "MIPI M-PHY";
}
else if(o == "EYEDR2")
{
type = "Signal Integrity";
desc = "Eye Doctor";
}
else if(o == "EYEDR_EQ")
{
type = "Signal Integrity";
desc = "Eye Doctor Equalization";
}
else if(o == "EYEDR_VP")
{
type = "Signal Integrity";
desc = "Eye Doctor Virtual Probe";
}
else if(o == "VPROBE")
{
type = "Signal Integrity";
desc = "Virtual Probe";
}
else if(o == "XTALK")
{
type = "Signal Integrity";
desc = "Crosstalk Analysis";
}
else if(o == "DFP2")
{
type = "Math";
desc = "DSP Filter";
}
else if(o == "DIGPWRMGMT")
{
type = "Miscellaneous";
desc = "Power Management";
}
else if(o == "EMC")
{
type = "Miscellaneous";
desc = "EMC Pulse Analysis";
}
else if((o == "JITKIT") || (o == "JTA2"))
{
type = "Miscellaneous";
desc = "Jitter/Timing Analysis";
}
else if(o == "PWR_ANALYSIS")
{
type = "Miscellaneous";
desc = "Power Analysis";
}
else if((o == "SDA2") || (o == "SDA3") || (o == "SDA3-LINQ"))
{
type = "Signal Integrity";
desc = "Serial Data Analysis";
}
else if((o == "THREEPHASEHARMONICS") || (o == "THREEPHASEPOWER"))
{
type = "Miscellaneous";
desc = "3-Phase Power Analysis";
}
//UI etc options
else if(o == "SPECTRUM")
{
type = "Math";
desc = "Spectrum analyzer";
}
else if(o == "XWEB")
{
type = "UI";
desc = "Processing web";
}
else if(o == "QSCAPE")
{
type = "UI";
desc = "Tabbed display";
}
else if(o == "XDEV")
{
type = "SDK";
desc = "Software development kit";
}
//Ignore meta-options
else if(o == "DEMO-BUNDLE")
{
type = "Informational";
desc = "Software licenses are demo/trial";
}
else if(o == "SIM")
{
type = "Informational";
desc = "Instrument is a simulation";
}
LogDebug("* %-20s %-25s %-35s %-20s\n", o.c_str(), type.c_str(), desc.c_str(), action.c_str());
}
}
//If we don't have a code for the LA software option, but are a -MS scope, add the LA
if(!m_hasLA && (m_model.find("-MS") != string::npos))
AddDigitalChannels(16);
LogDebug("\n");
}
/**
@brief Creates digital channels for the oscilloscope
*/
void LeCroyOscilloscope::AddDigitalChannels(unsigned int count)
{
m_hasLA = true;
LogIndenter li;
m_digitalChannelCount = count;
m_digitalChannelBase = m_channels.size();
char chn[32];
for(unsigned int i = 0; i < count; i++)
{
snprintf(chn, sizeof(chn), "D%u", i);
auto chan = new OscilloscopeChannel(this,
chn,
OscilloscopeChannel::CHANNEL_TYPE_DIGITAL,
GetDefaultChannelColor(m_channels.size()),
1,
m_channels.size(),
true);
m_channels.push_back(chan);
m_digitalChannels.push_back(chan);
}
//Set the threshold to "user defined" vs using a canned family
m_transport->SendCommand("VBS? 'app.LogicAnalyzer.MSxxLogicFamily0 = \"USERDEFINED\" '");
m_transport->SendCommand("VBS? 'app.LogicAnalyzer.MSxxLogicFamily1 = \"USERDEFINED\" '");
//Select display to be "CUSTOM" so we can assign nicknames to the bits
m_transport->SendCommand("VBS 'app.LogicAnalyzer.Digital1.Labels=\"CUSTOM\"'");
}
/**
@brief Figures out how many analog channels we have, and add them to the device
If you're lucky, the last digit of the model number will be the number of channels (HDO9204)
But, since we can't have nice things, theres are plenty of exceptions. Known formats so far:
* WAVERUNNER8104-MS has 4 channels (plus 16 digital)
* DDA5005 / DDA5005A have 4 channels
* SDA3010 have 4 channels
* SDA8xxZi have 4 channels
* LabMaster just calls itself "MCM-Zi-A" and there's no information on the number of modules!
*/
void LeCroyOscilloscope::DetectAnalogChannels()
{
int nchans = 1;
switch(m_modelid)
{
//DDA5005 and similar have 4 channels despite a model number ending in 5
//SDA3010 have 4 channels despite a model number ending in 0
case MODEL_DDA_5K:
case MODEL_SDA_3K:
nchans = 4;
break;
//All SDA / WaveMaster 8Zi have 4 channels
case MODEL_SDA_8ZI:
case MODEL_SDA_8ZI_A:
case MODEL_SDA_8ZI_B:
case MODEL_WAVEMASTER_8ZI_B:
nchans = 4;
break;
//MDA800 models all have 8 channels
case MODEL_MDA_800:
nchans = 8;
break;
//LabMaster MCM could have any number of channels.
//This is ugly and produces errors in the remote log each time we start up, but does work.
case MODEL_LABMASTER_ZI_A:
{
char tmp[128];
for(int i = 1; i < 80; i++)
{
snprintf(tmp, sizeof(tmp), "VBS? 'return=IsObject(app.Acquisition.C%d)'", i);
m_transport->SendCommand(tmp);
string reply = m_transport->ReadReply();
//All good
if(Trim(reply) == "-1")
nchans = i;
//Anything else is probably an error:
//Object doesn't support this property or method: 'app.Acquisition.C5'
else
break;
}
}
break;
//General model format is family, number, suffix. Not all are always present.
default:
{
//Trim off alphabetic characters from the start of the model number
size_t pos;
for(pos = 0; pos < m_model.length(); pos++)
{
if(isalpha(m_model[pos]))
continue;
else if(isdigit(m_model[pos]))
break;
else
{
LogError("Unrecognized character (not alphanumeric) in model number %s\n", m_model.c_str());
return;
}
}
//Now we should be able to read the model number
int modelNum = atoi(m_model.c_str() + pos);
//Last digit of the model number is normally the number of channels (WAVESURFER3022, HDO8108)
nchans = modelNum % 10;
}
break;
}
for(int i = 0; i < nchans; i++)
{
//Hardware name of the channel
string chname = string("C1");
chname[1] += i;
//Color the channels based on LeCroy's standard color sequence
//yellow-pink-cyan-green-lightgreen-purple-red-brown
//After that, for LabMaster, repeat the same colors
string color = "#ffffff";
switch(i % 8)
{
case 0:
color = "#ffff00";
break;
case 1:
color = "#ff6abc";
break;
case 2:
color = "#00ffff";
break;
case 3:
color = "#00c100";
break;
case 4:
color = "#d7ffd7";
break;
case 5:
color = "#8482ff";
break;
case 6:
color = "#ff0000";
break;
case 7:
color = "#ff8000";
break;
}
//Create the channel
m_channels.push_back(
new OscilloscopeChannel(this, chname, OscilloscopeChannel::CHANNEL_TYPE_ANALOG, color, 1, i, true));
}
m_analogChannelCount = nchans;
}
LeCroyOscilloscope::~LeCroyOscilloscope()
{
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Device information
string LeCroyOscilloscope::GetDriverNameInternal()
{
return "lecroy";
}
OscilloscopeChannel* LeCroyOscilloscope::GetExternalTrigger()
{
return m_extTrigChannel;
}
void LeCroyOscilloscope::FlushConfigCache()
{
lock_guard<recursive_mutex> lock(m_cacheMutex);
if(m_trigger)
delete m_trigger;
m_trigger = NULL;
m_channelVoltageRanges.clear();
m_channelOffsets.clear();
m_channelsEnabled.clear();
m_channelDeskew.clear();
m_channelDisplayNames.clear();
m_probeIsActive.clear();
m_sampleRateValid = false;
m_memoryDepthValid = false;
m_triggerOffsetValid = false;
m_interleavingValid = false;
m_meterModeValid = false;
}
/**
@brief See what measurement capabilities we have
*/
unsigned int LeCroyOscilloscope::GetMeasurementTypes()
{
unsigned int type = 0;
if(m_hasDVM)
{
type |= DC_VOLTAGE;
type |= DC_RMS_AMPLITUDE;
type |= AC_RMS_AMPLITUDE;
type |= FREQUENCY;
}
return type;
}
/**
@brief See what features we have
*/
unsigned int LeCroyOscilloscope::GetInstrumentTypes()
{
unsigned int type = INST_OSCILLOSCOPE;
if(m_hasDVM)
type |= INST_DMM;
if(m_hasFunctionGen)
type |= INST_FUNCTION;
return type;
}
string LeCroyOscilloscope::GetName()
{
return m_model;
}
string LeCroyOscilloscope::GetVendor()
{
return m_vendor;
}
string LeCroyOscilloscope::GetSerial()
{
return m_serial;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Channel configuration
bool LeCroyOscilloscope::IsChannelEnabled(size_t i)
{
//ext trigger should never be displayed
if(i == m_extTrigChannel->GetIndex())
return false;
//Disable end channels if interleaving
if(m_interleaving)
{
if((i == 0) || (i == 3))
return false;
}
//Early-out if status is in cache
{
lock_guard<recursive_mutex> lock2(m_cacheMutex);
if(m_channelsEnabled.find(i) != m_channelsEnabled.end())
return m_channelsEnabled[i];
}
//Need to lock the main mutex first to prevent deadlocks
lock_guard<recursive_mutex> lock(m_mutex);
lock_guard<recursive_mutex> lock2(m_cacheMutex);
//Analog
if(i < m_analogChannelCount)
{
//See if the channel is enabled, hide it if not
string cmd = m_channels[i]->GetHwname() + ":TRACE?";
m_transport->SendCommand(cmd);
string reply = m_transport->ReadReply();
if(reply.find("OFF") == 0) //may have a trailing newline, ignore that
m_channelsEnabled[i] = false;
else
m_channelsEnabled[i] = true;
}
//Digital
else
{
//See if the channel is on
//Note that GetHwname() returns Dn, as used by triggers, not Digitaln, as used here
size_t nchan = i - (m_analogChannelCount + 1);
m_transport->SendCommand(string("VBS? 'return = app.LogicAnalyzer.Digital1.Digital") + to_string(nchan) + "'");
string str = m_transport->ReadReply();
if(str == "0")
m_channelsEnabled[i] = false;
else
m_channelsEnabled[i] = true;
}
return m_channelsEnabled[i];
}
void LeCroyOscilloscope::EnableChannel(size_t i)
{
//LogDebug("enable channel %d\n", i);
lock_guard<recursive_mutex> lock(m_mutex);