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QuercusVL Programming Manual

4. Communications protocol

Each unit can receive and send information through a simple, binary UDP protocol. The
messages will be sent to the unit through port 8051 (can be modified with the setup), and the
unit will send messages to port 8050 of the address configured as central system (can be
modified with the setup), where the client application is running.

There are two main groups of messages in the communications between the unit and the
central system:

●

Events.

●

Requests (and their responses).

An Event is defined as a message sent by the unit to notify the central system of a happening
(arrival of an incidence, activation of a digital output, etc.). An event must be responded to by
the central system within a limited period of time (can be modified in the setup) with an ACK,
so that the unit knows that the message has been successfully received. Otherwise, the
message will be sent again until the ACK is received or the maximum number of retries is
exceeded (can also be modified in the setup). If an event is answered with a NAK, it will also
be sent again until the maximum number of retries is exceeded.
Example of Events:

A message of Request type is a message sent by the client application to a unit to obtain

Quercus Technologies

125

Unit

Central system

ACK

Event 1

Event 4

NAK

Event 3

Event 2

Event 2

NAK

Event 3

Timeout

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Содержание SmartLoop TS

Страница 1: ...Software version 1 5 x Firmware version 1 5 x www quercus biz www quercus technologies com www quercus com br Quercus Technologies PROGRAMMING MANUAL PROGRAMMING MANUAL...

Страница 2: ...d under a license and can be solely used for the purposes described in the license The contents of this manual are provided for information purposes only and can be modified with no prior warning The...

Страница 3: ...ompatibility between QuercusVL products 24 3 2 Hierarchy 26 3 3 Classes 27 3 4 System Class 27 3 4 1 Properties 27 3 4 2 Methods 28 3 4 3 Events 29 3 5 Units Class 30 3 5 1 Properties 30 3 6 Unit Clas...

Страница 4: ...1 Properties 50 3 17 TrafficLight Class 51 3 17 1 Properties 51 3 17 2 Methods 52 3 18 HistoricIncidences Class 53 3 18 1 Properties 53 3 18 2 Methods 53 3 19 HistoricSummaries Class 55 3 19 1 Proper...

Страница 5: ...3 29 1 Properties 72 3 29 2 Methods 77 3 30 SpeedsDistribution Class 77 3 30 1 Properties 77 3 31 LengthsDistribution Class 78 3 31 1 Properties 78 3 32 OccupationsDistribution Class 79 3 32 1 Proper...

Страница 6: ...05 3 44 1 Properties 105 3 45 ConfigurationOutputActuator class 108 3 45 1 Properties 108 3 45 2 Methods 110 3 46 ConfigurationOutputActuatorConditions class 110 3 46 1 Methods 110 3 47 ConfigurationO...

Страница 7: ...ype 124 3 62 VLConditionOperatorType Type 125 4 Communications protocol 126 4 1 Message format 127 4 2 Message version 128 4 3 Compatibility between QuercusVL products 130 4 4 Initial concepts 132 4 4...

Страница 8: ...atusQuery 146 4 7 4 IOQuery 147 4 7 5 ImageQuery 147 4 7 6 SnapshotQuery 148 4 7 7 UnitTasksQuery 150 4 7 8 DetectorTasksQuery 151 4 7 9 DetectorsCountQuery 151 4 7 10 DetectorInformationQuery 152 4 7...

Страница 9: ...Changes 168 4 9 16 DiscardChanges 169 4 9 17 Restart 169 4 9 18 GetEntriesCount 170 4 9 19 GetEntry 171 4 9 20 SetEntry 171 4 9 21 RestoreEntry 172 4 9 22 GetDetectorsCount 172 4 9 23 RemoveDetector 1...

Страница 10: ...ctor 189 5 1 6 TrafficLight 190 5 1 7 RedLightDetector 190 5 1 8 StoppedCarDetector 192 5 2 Event messages 193 5 2 1 IncidenceInformation 193 5 3 Query messages 193 5 3 1 SnapshotQuery 193 5 3 2 Detec...

Страница 11: ...le 205 7 1 2 Detectors configuration file 206 7 1 2 1 Globals section 206 7 1 2 2 DetectorX section 207 7 1 2 3 TrafficLight_X section 208 7 1 2 4 LightX_Y section 208 7 2 Simulation configuration 208...

Страница 12: ...summary 217 8 1 1 3 Speed summary 219 8 1 1 4 Red light incidence 221 8 1 1 5 Stopped car incidence 223 8 1 2 JPEG file 226 8 1 3 AVI file 226 8 2 Protocol encryption 226 8 2 1 Encryption format 227 8...

Страница 13: ...VL family products which SmartLoop and BirdWatch belong to Although they have different functionalities booth of them are based on virtual loop technology As a result they use the same protocol of com...

Страница 14: ...stems Function library in C Dynamically linked library for Windows and GNU Linux that provides an object oriented vision to functions of the system As in the case of the C library the source code of a...

Страница 15: ...a dynamically linked library which includes all the functionalities of the system We must take into account that even though there are different layers in the system they do not add any noticeable ove...

Страница 16: ...he corresponding method OnRealTimeInformation in this case Take into account that these methods will be called from execution threads which are different from the main one so code that is not safe abo...

Страница 17: ...inc get_Video get_Duration inc get_Video get_Framerate else printf Video NOT FOUND n virtual void OnSummary Summary sum printf OnSummary d d sum get_Unit get_Id sum get_DetectorId switch sum get_Detec...

Страница 18: ...ng with units configured at initialization file Central ini The file Central log stores system logs As you can see the previously created object CEventHandler is passed to the library as a parameter s...

Страница 19: ...function returns it would call the object s copy destructor and this is dangerous specially if the object internally contains pointers In VL library all these caveats have been solved as the object s...

Страница 20: ...tion directory Copyright C 2011 Quercus Technologies All rights reserved include stdio h include VLWrapperC h typedef enum DT_ALL 0 DT_SPEED 1 DT_QUEUE 2 DT_PRESENCE 3 DT_RED_LIGHT 4 DT_STOPPED_CAR 5...

Страница 21: ...void __stdcall OnSummary int sum Implementation of client code that will run with the events The functions must have exactly the same format defined at header file VLWrapperC h otherwise will fail at...

Страница 22: ...on Class_Release must be called see Release method The parameter h is a handler of the class Release C void Class_Release int h The function decreases a reference to the object and frees the allocated...

Страница 23: ...folder Set CApi_Basic as active project Build the executable Linux Open a console Go to folder Samples CApi_Basic Type make command 2 3 Other examples At Installation folder Samples you will find more...

Страница 24: ...oducts so there are parts in it functions classes events not applicable to every product The following table describes classes events and types useful for each unit type SmartLoop TS SmartLoop TS Plus...

Страница 25: ...igurationDetector ConfigurationPresenceDetector ConfigurationQueueDetector ConfigurationSpeedDetector ConfigurationRedLightDetector ConfigurationStoppedCarDetector ConfigurationTrafficLight Configurat...

Страница 26: ...l traffic light Summary the logical representation of a summary Incidence the logical representation of an incidence Take into account that for every modification in the configuration of a unit the hi...

Страница 27: ...the same VL_Detector_Release detector Releasing the detector 3 3 Classes In C and C you need to call VLLoad function to load the library before any other call and VLUnload at the end of program execu...

Страница 28: ...H systemEH C int VL_System_Initialize const char iniFile const char logFile VL_ISYSTEMEH_ONREALTIMEINFORMATION VL_ISYSTEMEH_ONINCIDENCE VL_ISYSTEMEH_ONSUMMARY VL_ISYSTEMEH_ONNOTIFICATION VL_ISYSTEMEH_...

Страница 29: ...f the function scope VL_RealTimeInformation_AddRef should be called to add a reference see method AddRef from RealTimeInformation class and VL_RealTimeInformation_Release to remove the reference and f...

Страница 30: ...real time event The parameter hNotification receives event data check Notification class In C the parameter hNotification is a handler of Notification In C and C the parameter Notification is only va...

Страница 31: ...from zero Id C Unit Id int id C Does not exist check VL_System_get_Units_Id from System Returns the unit with identifier id specified inside the units collection If there is no unit with such identif...

Страница 32: ...ess to collection properties int VL_Unit_get_Detectors_Count int h returns the number of detectors in unit h int VL_Unit_get_Detectors_Item int h int item returns the detector located at the indicated...

Страница 33: ...icLight_Release must be called to free allocated memory see Release method at TrafficLight class int VL_Unit_get_TrafficLights_Id int h int id returns the TrafficLight identified by id inside the Traf...

Страница 34: ...int numRedLights int redLights int inputValues int outputValues C int VL_Unit_GetSnapshot int h int roiRight int roiTop int roiLeft int roiBottom int exposureTime int zoom int maxSize unsigned char pI...

Страница 35: ...camera exposure time for the snapshot bool zoom indicates if the obtained image must be captured by the unit false or a magnified one true int maxSize sets the size of the pImageData buffer This is a...

Страница 36: ...ctivateOutput int bit int time C int VL_Unit_ActivateOutput int h int bit int time Enables the digital output bit for the time specified in milliseconds In C the parameter h is a handler of unit Unit...

Страница 37: ...nitTasks int h int sendInputChanges Sets the status of unit tasks The unit will inform the central system about the changes in digital inputs if sendInputChanges is true if false not Returns true if t...

Страница 38: ...imeInformation Informs about the status of the indicated id detector tasks Returns true if the query was successful or false otherwise In C the parameter h is a handler of unit Unit 3 7 UnitStatus Cla...

Страница 39: ...ersionInformation_get_Major int h Informs about the Major value of the version In C the parameter h is a handler of version VersionInformation Minor C int get_Minor C int VL_VersionInformation_get_Min...

Страница 40: ...ero If there is no Detector for the specified position returns an invalid one see IsValid from Detector class Id C Detector Id int id C Does not exist check VL_Unit_get_Detectors_Id int h int id of Un...

Страница 41: ...C int VL_Detector_get_AreIncidencesEnabled int h Returns true if the generation of incidences is enabled false if disabled In C the parameter h is a handler of detector Detector AreSummariesEnabled C...

Страница 42: ...int VL_Detector_get_SummariesPeriod int h Returns the summaries period setting in minutes In C the parameter h is a handler of detector Detector Coordinates C Region get_Coordinates C int VL_Detector...

Страница 43: ...about a detector and false if invalid Some methods may sometimes return void Detectors In C this behaviour is detected as its value will be 0 In C however this method is necessary because the object a...

Страница 44: ...as implemented the assignment operator to use a generic detector as a queue detector Example in C if detector get_Type DT_QUEUE QueueDetector myQueueDetector myQueueDetector detector assignment operat...

Страница 45: ...or Distance C int get_Distance C int VL_SpeedDetector_get_Distance int h Returns the distance from the camera to the detector in millimetres In C the parameter h is a handler of detector SpeedDetector...

Страница 46: ...eturns true if the detector is enabled to calculate the metrics In C the parameter h is a handler of detector RedLightDetector Distance C int get_Distance C int VL_RedLightDetector_get_Distance int h...

Страница 47: ...RedInput int h Returns the identifier of the digital input used for the red state sign If no input has been configured but a traffic light see TrafficLightId from RedLightDetector it will return 1 In...

Страница 48: ...LastPictureDelayTimeMs C int get_LastPictureDelayTimeMs C int VL_RedLightDetector_get_LastPictureDelayTimeMs int h Returns the time that the last picture of incidence will be delayed in miliseconds In...

Страница 49: ...al If no traffic light is configured but a digital input check RedInput from StoppedCarDetector it will return 1 In C the parameter h is a handler of detector StoppedCarDetector RedInput C int get_Red...

Страница 50: ...ndler of detector StoppedCarDetector 3 16 TrafficLights Class Collection of configured traffic lights in a unit 3 16 1 Properties Count C int Count C Does not exist check VL_Unit_get_TrafficLights_Cou...

Страница 51: ...d in a traffic light will be defined in a 5 megapixel image from 0 to 2559 and from 0 to 1919 3 17 1 Properties UnitId C Unit get_Unit C int VL_TrafficLight_get_UnitId int h Returns the unit where the...

Страница 52: ...zero If there is no Light for the specified ligt returns null The parameter h is a handler of the traffic light TrafficLight 3 17 2 Methods IsValid C bool IsValid C Does not exist Returns true if the...

Страница 53: ...dler of incidences record HistoricIncidences Returns a handler of the incidence Incidence In C when the object is no more needed the function VL_Incidence_Release must be called see Release method fro...

Страница 54: ...rty the information of the record s last incidence that complies with the applied filter see the method SetFilter from HistoricIncidences class In C the parameter h is a handler of incidences record H...

Страница 55: ...ore needed the function VL_Summary_Release must be called see Release method from Summary class In C if there is no available summary returns null 3 19 2 Methods MoveFirst C void MoveFirst C void VL_H...

Страница 56: ...summary record HistoricSummaries SetFilter C void SetFilter VLDetectorType detectorType int detectorId C void VL_HistoricSummaries_SetFilter int h int detectorType int detectorId Sets a summary record...

Страница 57: ...the parameter h is a handler of real time information RealTimeInformation Timestamp C Timestamp get_Timestamp C Does Not exist In C returns the timestamp when unit generated the real time info In C t...

Страница 58: ...t get_Length C int VL_RealTimeInformation_get_Length int h Returns the length of the detected vehicle in millimetres If length calculation was not possible the value will be 1 In C the parameter h is...

Страница 59: ...ter would always be valid AddRef C Does not exist C void VL_RealTimeInformation_AddRef int h Ver 2 2 1 Memory management Release C Does not exist C void VL_RealTimeInformation_Release int h Ver 2 2 1...

Страница 60: ...valid one see IsValid from Region class 3 22 Region Class Define the coordinates of each vertex of a rectangle 3 22 1 Properties X1 C int get_X1 C int VL_Region_get_X1 int h Returns the X value horizo...

Страница 61: ...nt get_Y3 C int VL_Region_get_Y3 int h Returns the Y value vertical axis of vertex 3 In C the parameter h is a handler of the region Region X4 C int get_X4 C int VL_Region_get_X4 int h Returns the X v...

Страница 62: ...Light Number of lights in the traffic light Item C Light Item int item C Does not exist check VL_TrafficLight_get_Lights_Item int h int item of TrafficLight Returns the light in the indicated position...

Страница 63: ..._Radius int h Returns the radius of the traffic light s light in the image in pixels In C the parameter h is a handler of the light Light 3 24 2 Methods IsValid C bool IsValid C does not exist Returns...

Страница 64: ...pe C int VL_Incidence_get_DetectorType int h Returns the type of detector that generated the incidence In C the parameter h is a handler of the incidence Incidence Id C int get_Id C int Incidence_get_...

Страница 65: ...ence Incidence AmberLightTime Returns the elapsed time with the amber light on before turning into red C int get_AmbertLightTime C int VL_Incidence_get_AmbertLightTime int h Devuelve el tiempo transcu...

Страница 66: ...he collection of incidence images starting from zero If there is no imaage at the specified position returns null In C if the object is no more needed the function VL_Image_Release must be called see...

Страница 67: ...s not exist C void VL_Incidence_Release int h See 2 2 1 Memory management 3 26 Images Class Collection of images of an incidence 3 26 1 Properties Count C int Count C Does not exist check VL_Incidence...

Страница 68: ...will not be filled up and will return 1 In C the parameter h is a handler of the image Image Timestamp C Timestamp get_Timestamp C Does not exist In C returns the time stamp when the unit captured th...

Страница 69: ...Video Class Logical representation of an incidence video recording 3 28 1 Properties Location C int Location char pBuffer int bufferLen C int VL_Video_get_Location int h char pBuffer int maxSize prov...

Страница 70: ...capture In C there is no representation of TimeStamp class but methods to directly access to its properties int VL_Video_get_EndTimestamp_Seconds int h date and time when the video recording stopped s...

Страница 71: ...he parameter h is a handler of video Video 3 28 2 Methods IsValid C bool IsValid C Does not exist Returns true if the object contains valid information about a video and false if invalid Some methods...

Страница 72: ...the summary In C the parameter h is a handler of summary Summary DetectorType C VLDetectorType get_DetectorType C int VL_Summary_get_DetectorType int h Returns the detector type that generated the su...

Страница 73: ...of vehicles in the summary in km h If speed calculation was not possible returns 1 In C the parameter h is a handler of summary Summary AvgLength C int get_AvgLength C int VL_Summary_get_AvgLength int...

Страница 74: ...s not exist In C returns the collection of values making up distribution of lengths in the summary In C there is no representation of LengthsDistribution collection but methods to directly access to c...

Страница 75: ..._get_SpeedsUpperLimit_Count int h number of values making up the ranges of distribution of speeds in the summary int VL_Summary_get_SpeedsUpperLimit_Item int h int item returns the value in the indica...

Страница 76: ...pancies in the summary int VL_Summary_get_OccupationsUpperLimit_Item int h int item returns the value in the indicated position inside the collection of values making up the ranges of distribution of...

Страница 77: ...nt item from Summary Returns the percentage in the indicated position within the collection of percentages of vehicles that have circulated through a detector for a given speed range The location of e...

Страница 78: ...of ranges in the collection LengthsUpperLimit of the detector The parameter item must specify the position starting from zero If there is no LengthsDistribution at the specified position it returns an...

Страница 79: ...of values making up the speed ranges of a detector For deeper information about speed distribution see SmartLoop user manual 3 33 1 Properties Count C int Count C Does not exist check VL_Summary_get_...

Страница 80: ...on of values making up the length ranges of a detector The values are sorted from lowest to highest placing the smallest value at the first position in the collection The parameter item must specify t...

Страница 81: ...invalid one see IsValid from OccupationsUpperLimit class 3 36 Timestamp Class Definition of timestamp 3 36 1 Properties Seconds C int get_Seconds C Does not exist check class_get_Timestamp_Seconds int...

Страница 82: ...3 38 Configuration Class Class that gives access to unit s configuration system 3 38 1 Methods IsValid C bool IsValid C Does not exist Returns true if the object contains valid information about the c...

Страница 83: ...Changes the password of the unit The change will be effective when changes are applied newPassword must be a text string ending with 0 Returns true for a successful operation otherwise returns false...

Страница 84: ...rmware Returns true for a successful operation otherwise returns false In C the parameter h is a handler of Configuration ExportLog C bool ExportLog VLLogSystem logType const char fileName C int VL_Co...

Страница 85: ...the nth variable of unit s configuration system In C if the SettingsEntry indicated does not exist returns an invalid one in C returns null In C when the object is needed no more the function VL_Setti...

Страница 86: ...alse In C the parameter h is a handler of Configuration ApplyChanges C bool ApplyChanges C int VL_Configuration_ApplyChanges int h Applies changes made in unit s configuration system and reboots the u...

Страница 87: ...resenceDetector C int VL_Configuration_New_PresenceDetector int h Creates a new presence detector default values To add a new presence detector to the unit this function must be used to later on modif...

Страница 88: ...n ApplyDetector of Configuration class In C the parameter h is a handler of Configuration NewStoppedCarDetector C ConfigurationStoppedCarDetector NewStoppedCarDetector C int VL_Configuration_New_Stopp...

Страница 89: ...e unit s detector list which is specified by one of the following two parameters Index position of the detector in the list of detectors of the unit Id detector s identifier Only one of them can be us...

Страница 90: ...the number of configured traffic lights In C the parameter h is a handler of Configuration GetTrafficLight C ConfigurationTrafficLight GetTrafficLight int index int id C int VL_Configuration_Get_Traff...

Страница 91: ...ew traffic light into the unit s traffic light list or modifies an existing one The action done will depend on the parameter action see 3 61 VLConfigurationActionType Type type If an existing traffic...

Страница 92: ...o ConfigurationOutputActuator with the specified index position returns an invalid one in C returns null In C when the object is needed no more the function VL_ConfigurationOutputActuator_Release must...

Страница 93: ...Actuator a handler of ConfigurationOutputActuator SetLanguage C bool SetLanguage const char languageId C int Configuration_SetLanguage int h const char languageId Sets the language of the configuratio...

Страница 94: ...ameter h is a handler of ConfigurationDetector C void put_Id int id C void VL_ConfigurationDetector_put_Id int h int id Modifies the identifier The new value is set by parameter id In C the parameter...

Страница 95: ...bled int h Returns the status of summaries generation In C the parameter h is a handler of ConfigurationDetector C void put_AreSummariesEnabled bool value C void VL_ConfigurationDetector_put_AreSummar...

Страница 96: ...VL_ConfigurationDetector_put_SendIncidences int h int n True to enable sending generated incidences in the detector false otherwise In C the parameter h is a handler of ConfigurationDetector SendSumm...

Страница 97: ...nfigurationDetector Coordinates Detector coordinates C Region get_Coordinates C int VL_ConfigurationDetector_get_Coordinates int h Returns the detector coordinates In C the parameter h is a handler of...

Страница 98: ...urationDetector Class 3 41 ConfigurationQueueDetector class Represents a queue detector of the configuration system This class derives from ConfigurationDetector see 3 39 ConfigurationDetector Class 3...

Страница 99: ...ctor_get_Distance int h Returns the distance from the unit to the detector In C the parameter h is a handler of ConfigurationDetector C void put_Distance bool value C void VL_ConfigurationSpeedDetecto...

Страница 100: ...tus of speed and length calculation In C the parameter h is a handler of ConfigurationDetector C void put_CalculateMetrics bool value C void VL_ConfigurationRedLightDetector_put_CalculateMetrics int h...

Страница 101: ...rameter h is a handler of ConfigurationDetector DelayTime Daly time for the detector in miliseconds C int get_DelayTime C int VL_ConfigurationRedLightDetector_get_DelayTime int h Returns the delay tim...

Страница 102: ...l If a configured traffic litght is used the value will be 1 C int get_RedInput C int VL_ConfigurationRedLightDetector_get_RedInput int h Returns the digital input identifier In C the parameter h is a...

Страница 103: ...eoEnabled C int VL_ConfigurationRedLightDetector_get_IsVideoEnabled int h Returns the status of video generation In C the parameter h is a handler of ConfigurationDetector C void put_IsVideoEnabled bo...

Страница 104: ...oid put_PostVideoTimeMs int value C void VL_ConfigurationRedLightDetector_put_PostVideoTimeMs int h int n Modifies the delay time In C the parameter h is a handler of ConfigurationDetector LastPicture...

Страница 105: ...is a handler of ConfigurationDetector C void put_MaxStopTime int value C void VL_ConfigurationStoppedCarDetector_put_MaxStopTime int h int n Modifies the minimum stop time at the detector in order to...

Страница 106: ...t_RedInput int h int n Modifies the digital input identifier In C the parameter h is a handler of ConfigurationDetector IsVideoEnabled Shows if video generation at the units is enabled If disabled the...

Страница 107: ...handler of ConfigurationDetector PostVideoTimeMs Time that the stop of the video recording will be delayed in miliseconds C int get_PostVideoTimeMs C int VL_ConfigurationStoppedCarDetector_get_PostVid...

Страница 108: ...itionOperatorType Type C VLConditionOperatorType get_Operator C int VL_ConfigurationOutputActuator_get_Operator int h Returns the operator In C the parameter h is a handler of ConfigurationOutputActua...

Страница 109: ...onfigurationOutputActuator_get_Time int h Returns the time duration of digital output activation In C the parameter h is a handler of ConfigurationDetector C void put_Time int value C void VL_Configur...

Страница 110: ...tem int item C Does not exist check VL_ConfigurationOutputActuator_get_Conditions_Item from ConfigurationOutputActuator Returns the condition in the specified position inside the conditions collection...

Страница 111: ...n class Represents a condition of an output actuator in a configuration system 3 47 1 Properties DetectorId Identifier of the detector associated to the condition C int get_DetectorId C int VL_Configu...

Страница 112: ...type C VLOperatorType get_Operator C int VL_ConfigurationOutputActuatorCondition_get_Operator int h Returns the conditions s operator In C the parameter h is a handler of ConfigurationOutputActuatorCo...

Страница 113: ...e configuration system For historical reasons all the coordinates described in a detector will be defined in a 5 megapixel image from 0 to 2559 and from 0 to 1919 3 48 1 Properties Id Identifier of th...

Страница 114: ...em int h int item returns the light located at the specified position inside the lights collection of the traffic light starting from zero If there is no ConfigurationLight por the specified position...

Страница 115: ...nTrafficLight_get_Lights_Count of ConfigurationTrafficLight Number of configured lights Item C ConfigurationLight Item int item C Does not exist check VL_ConfigurationTrafficLight_get_Lights_Item of C...

Страница 116: ...affic light that has the position index Returns true if deletion was successful false otherwise 3 50 ConfigurationLight class Represents a light that belongs to a traffic light of the configuration sy...

Страница 117: ...is a handler of ConfigurationDetector Y Position Y vertical axis of the center of the light C int get_Y C int VL_ConfigurationLight_get_Y int h Returns the position Y vertical axis of the light In C t...

Страница 118: ...t_Name char buf int bufLen C void VL_SystemInformation_get_Name int h char buf int bufLen Returns the product name The parameter buff is a pointer to a buffer where the name will be written and the bu...

Страница 119: ...l be written and the buffLen parameter must specifiy the maximum buffer size in bytes In C the parameter h is a handler of Configuration BootTime C long get_BootTime C long VL_SystemInformation_get_Bo...

Страница 120: ...bufLen Returns the name of the variable The parameter buff is a pointer to a buffer where the name will be written and the buffLen parameter must specifiy the maximum buffer size in bytes In C the pa...

Страница 121: ...ingsEntry 3 52 2 Methods IsValid C bool IsValid C Does not exist Returns true if the object contains valid information false otherwise AddRef C Does not exist C void VL_SettingEntry_AddRef int h See 2...

Страница 122: ...the type of incidence IT_RED_LIGHT_VIOLATION 1 vehicle violating the red light sign IT_STOPPED_CAR_VIOLATION 2 vehicle stopped in a forbidden zone 3 56 VLLightType Type Specifies the colour of a light...

Страница 123: ...E_END 3 End of a video 3 60 VLLogSystem Type Specifies the log file type VL_LOG_UNIT 0 Log file of the system VL_LOG_COMBRIDGE 1 Obsolete VL_LOG_CONFIG 2 Log file of the configuration system VL_LOG_FI...

Страница 124: ...62 VLConditionOperatorType Type Specifies the operator that will define the behaviour of an output actuator COT_ALL 0 All conditions have to be true to activate the digital output COT_ANY 1 One or mo...

Страница 125: ...otify the central system of a happening arrival of an incidence activation of a digital output etc An event must be responded to by the central system within a limited period of time can be modified i...

Страница 126: ...est has been made might not be the response to the request Example of requests and their responses 4 1 Message format Messages will always have the same format Bytes are ordered in all fields with the...

Страница 127: ...tx to the last byte in the Message data Etx 1 byte signals the end of the message ASCII character 3 4 2 Message version Messages contain a field version which notes the version of the message used thu...

Страница 128: ...t will contain the message version already set This process will be repeated at every unit start up Example On the other hand when the unit receives a request message from the central system always tr...

Страница 129: ...ery product This table describes the useful messages and structures for each unit type SmartLoop TS SmartLoop TS Plus BiardWatch RL BiardWatch RL Plus Common structures Region DetectorHeader SpeedDete...

Страница 130: ...tectorInformationQuery TrafficLightsCountQuery TrafficLightInformationQuery SetUnitTasksQuery SetDetectorTasksQuery OutputQuery RebootQuery VideoQuery PingQuery LoginQuery PasswordQuery SyncTimeQuery...

Страница 131: ...GetTrafficLightsCountQuery RemoveTrafficLightQuery GetTrafficLightQuery SetTrafficLightQuery GetOutputActuatorsCountQuery RemoveOutputActuatorQuery GetOutputActuatorQuery SetOutputActuatorQuery Ackno...

Страница 132: ...s returned at the call to function time_t time time_t timer from ANSI C standard Useconds microseconds of the timestamp 4 5 2 Region Informs about the location of the four vertex that make up a detect...

Страница 133: ...ncidences SIn true if sending the incidences generated at the detector to the central system is enabled false if disabled SendRealTimeInformation SRT true if sending the real time events generated at...

Страница 134: ...l image of the detector s second loop using a Region structure 4 5 5 QueueDetector Describes a queue detector The structure corresponds to the version 3 Check 5 Communications protocol old versions to...

Страница 135: ...t X X position horizontal axe of light s centre in the 5 megapixel image Y Y position vertical axe of light s centre in the 5 megapixel image Radius radius of the light in the 5 megapixel image in pix...

Страница 136: ...o red until the infringement is made to generate a valid incidence in milliseconds FirstLoop Loop1 coordinates in the 5 megapixel image of the detector s first loop using a Region structure SecondLoop...

Страница 137: ...f the detectors using a DetectorHeader MaxStopTime minimum stop time with the traffic light on red in order to generate an incidence in miliseconds Loop description of the coordinates in the 5 megapix...

Страница 138: ...s used Duration duration of the video file in miliseconds Framerate FR frames per second of the video file 4 5 12 OutputActuatorCondition Describes a conditions of an output actuator DetectorId id of...

Страница 139: ...l output OutputId OId digital output identifier that corresponds to the actuator Time time that the actuator keeps the digital output active in milliseconds NumConditions NCo number of conditions that...

Страница 140: ...summary data collection started in seconds elapsed since 00 00 hours on the first of January of 1970 End timestamp when summary data collection finished in seconds elapsed since 00 00 hours on the fi...

Страница 141: ...ion of lengths in the summary They are provided using 7 consecutive integers where the ones that are not used show a 1 LengthsUpperLimit LenUL collection of values making up the ranges of distribution...

Страница 142: ...DetectorType DTy type of detector that generated the real time event 1 speed detector 2 queue detector 3 presence detector 4 red light detector 5 stopped car detector Speed approximated speed of the d...

Страница 143: ...light detector 5 stoppped car detector Timestamp timestamp when the real time event was generated using a QuercusTimestamp structure Speed approximated speed of the detected vehicle in km h If speed...

Страница 144: ...Characters not being used will be zero Major Maj major number of the version Minor Min minor number of the version Revision Rev revision number of the version 4 7 2 RealTimeQuery Query to receive the...

Страница 145: ...cle in km h Length approximated length of the detected vehicle in millimetres WrongWay WW true if the direction of the detected vehicle is incorrect and false if the direction is correct Occupation oc...

Страница 146: ...utCh status of the 2 digital inputs of the unit Each one of the first 2 bits corresponds to the status of one input being the least significant bit for input 0 Possible values 1 enabled 0 disabled The...

Страница 147: ...480 high and a complete status of detectors traffic lights and digital inputs and outputs The image content and the focus value current digital focus coefficient will vary depending on the value of t...

Страница 148: ...ttom RoidBttm Y value vertical axis from bottom side of the rectangle to not define it specify 1 RoiRight X value horizontal axis from right side of the rectangle to not define it specify 1 ExposureTi...

Страница 149: ...er Possible values 0 red state other value any other state Inputs status of the 2 digital inputs Each one of the first 2 bits corresponds to the status of an input being the least significant bit for...

Страница 150: ...ration of incidences at the unit is enabled false disabled SendSummaries SSm if true sending the summaries generated at the unit to the central system is enabled false disabled SendIncidences SIn if t...

Страница 151: ...specific detector in the unit The format of the answer will vary depending on the type of detector that is described The structures correspond to the version 3 Check 5 Communications protocol old ver...

Страница 152: ...tector using a SpeedDetector structure Answer presence detector Type 75 Message Data PresenceDetector PresDetect description of the detector using a PresenceDetector structure Answer queue detector Ty...

Страница 153: ...Message Data no message data Answer Type 77 Message Data Count number of configured traffic lights in the unit 4 7 12 TrafficLightInformationQuery Request of information about a configured traffic lig...

Страница 154: ...TrafficLight structure 4 7 13 SetUnitTasksQuery Query to configure the tasks a unit must perform Currently only one task is possible to configure inform about the changes at digital inputs Query Type...

Страница 155: ...tral system the summaries generated at the unit is enabled false disabled SendIncidences SIn if true sending to the central system the incidences generated at the unit is enabled false disabled SendRe...

Страница 156: ...n to perform 0 reboot Currently only the reboot operation is possible and the code is required so the protocol is open to future extensions Answer ACK NAK 4 7 17 VideoQuery Query to transfer a video f...

Страница 157: ...y valid the first Length bytes 4 8 Confirmation messages 4 8 1 ACK Confirmation that the message has been received and interpreted correctly Type 192 Message Data no message data 4 8 2 NAK Informs tha...

Страница 158: ...d feature action not supported for example if you want to enable the generation of incidences at a queue detector 8 Bad authorization does not exist the authorization to process such request The libra...

Страница 159: ...f the conditions of an output actuator is wrong 32 operator variable of one of the conditions of an output actuator is wrong 33 value variable of one of the conditions of an output actuator is wrong 3...

Страница 160: ...to check that at the IP and port where the message is sent there is a configuration system running It is not needed to complete a successful Login message to get answer to this message Query Type 51 M...

Страница 161: ...s access to configuration system and sets current SessionId to invalid Query Type 129 Message Data SessionId session identifier obtained at the last valid Login Answer ACK NAK 4 9 4 PasswordChange Cha...

Страница 162: ...time against the configured time server Query Type 131 Message Data SessionId session identifier obtained at the last valid Login Answer ACK NAK 4 9 6 SetTime Sets indicated date and time Query Type...

Страница 163: ...Type 133 Message Data SessionId session identifier obtained at the last valid Login FileName name of the update file Answer ACK NAK 4 9 8 RestoreFirmware Restores the factory original firmware and re...

Страница 164: ...ning during the process Moreover formatting can take some minutes while the configuration system will not answer to any message Once the format process is done the unit must be rebooted in order to ge...

Страница 165: ...that has to be given to file stored in FTP root Answer ACK NAK 4 9 11 SystemInfo Information about the unit The structures correspond to the version 1 Check 5 Communications protocol old versions to...

Страница 166: ...onds from 01 01 1970 00 00 00h FirmwareMajor Maf first figure in the firmware version E g 1 2 3 FirmwareMinor Mif second figure in the firmware version E g 1 2 3 FirmwareRevision Rf third figure in th...

Страница 167: ...guration to a file in the unit s ftp server root Query Type 140 Message Data SessionId session identifier obtained at the last valid Login FileName filename in the unit s ftp server root where the con...

Страница 168: ...dChanges Discards changes made to the system variables Query Type 142 Message Data SessionId session identifier obtained at the last valid Login Answer ACK NAK 4 9 17 Restart This query has been desig...

Страница 169: ...number variables of the configuration system Query Type 150 Message Data SessionId session identifier obtained at the last valid Login Answer Type 182 Message Data EntriesCount number of variables 4...

Страница 170: ...e that its information is required Only used if field Name is empty Answer Type 183 Message Data Name name of the variable Value current value of the varible Description1 description of the variable i...

Страница 171: ...lt value of the variable specified by its name Query Type 153 Message Data SessionId session identifier obtained at the last valid Login Name name of the variable to restore Answer ACK NAK 4 9 22 GetD...

Страница 172: ...f the detector in the detector s collection of the configuration system starting from zero DetectorId identifier of the detector Only one of the two parameters can be used to specify a detector Index...

Страница 173: ...ector Only one of the two parameters can be used to specify a detector Index or DetectorId the parameter not used must be set to 1 Answer presence detector Type 185 Message Data Detector detector desc...

Страница 174: ...ctor Answer stopped car detector Type 191 Message Data Detector detector description using a structure StoppedCarDetector 4 9 25 SetPresenceDetector Add or modify a presence detector in the configurat...

Страница 175: ...n answer its subcode field will give more detailed information about why the query has failed See 4 8 2 NAK 4 9 26 SetQueueDetector Add or modify a queue detector in the configuration system Query The...

Страница 176: ...k 5 Communications protocol old versions to see the older versions Type 165 Message Data SessionId session identifier obtained at the last valid Login Action Act action 0 modify the existing detector...

Страница 177: ...r must indicate the old identifier can have been modified On the other hand if a new detector is added it must be set to 1 Detector detector description using a structure SpeedDetector Answer ACK NAK...

Страница 178: ...be set to 1 Detector detector description using a structure StoppedCarDetector Answer ACK NAK If a NAK message is received as an answer its subcode field will give more detailed information about why...

Страница 179: ...the configuration system starting from zero TrafficLightId traffic light identifier Only one of the two parameters can be used to specify the traffic light Index or TrafficLightId the parameter not u...

Страница 180: ...e parameter not used must be set to 1 Answer Type 190 Message Data TrafficLight TL description of the traffic light using a structure TrafficLight 4 9 33 SetTrafficLight Add or modify a traffic light...

Страница 181: ...er ACK NAK If a NAK message is received as an answer its subcode field will give more detailed information about why the query has failed See 4 8 2 NAK 4 9 34 GetLanguage Obtains the language currentl...

Страница 182: ...he character 0 Response ACK NAK 4 9 36 GetOutputActuatorsCount Obtains the number of output actuators in the configuration system Query Type 167 Message Data SessionId session identifier obtained at t...

Страница 183: ...rameters can be used to specify the output actuator Index or OutputActuatorId the parameter not used must be set to 1 Answer ACK NAK 4 9 38 GetOutputActuator Obtains information about an output actuat...

Страница 184: ...figuration system Query Type 170 Message Data SessionId session identifier obtained at the last valid Login Action Act action 0 modify the existing output actuator 1 add a new output actuator OutputAc...

Страница 185: ...QuercusVL Programming Manual If a NAK message is revived as an answer its subcode field will give more detailed information about why the query has failed See 4 8 2 NAK Quercus Technologies 185...

Страница 186: ...0 vehicle driving speed detected 1 vehicle length detected 2 driving direction detected 3 detector s occupancy percentage 4 vehicle presence Operator Op operator used by the actuator 0 equal to 1 dif...

Страница 187: ...ng the real time events generated at the detector to the central system is enabled false if disabled SummariesPeriod SumPeriod configured summaries period in minutes NumOutputActuators NOut number of...

Страница 188: ...ondLoop are defined in the 0 3 megapixel image The rest of the fields have the same meaning of version 1 5 1 4 QueueDetector Version 1 and 2 are the same Header Head description of detector s common f...

Страница 189: ...mber of lights in the traffic light Lights description of each one of the configured lights using 5 consecutive Light structures maximum number of configurable lights Only the first NumLights are used...

Страница 190: ...has been configured but a traffic light its value will be 1 AmberInput the identifier of the digital input used for the amber sign If no digital input has been configured because a traffic light will...

Страница 191: ...Loop description of the coordinates in the 5 megapixel image of the only loop of the detector using a Region structure TrafficLightId identifier of the traffic light used as a stop signal If no traff...

Страница 192: ...ation Version 1 The fields MaxStopTime and TotalStoppedTime don t exist The rest of fields have the same meaning of the version 2 Version 0 The fields MaxStopTime TotalStoppedTime VideoInformation and...

Страница 193: ...end on the version of this query Answer The structure related to the detector description has changed the version of this message defines the version of the detector structure See the obsolete version...

Страница 194: ...HardwareMinor and HardwareRevision don t indicate the hardware version but the firmware version 5 4 2 GetDetector Versions 0 1 and 2 Query The fields of the structure have the same meaning but the ver...

Страница 195: ...ed the version of this message defines the version of the detector structure See the obsolete versions of RedLightDetector 5 4 6 SetSpeedDetector Versions 0 1 and 2 Query The structure related to the...

Страница 196: ...rafficlight description has changed the version of this message defines the version of the trafficlight structure See the obsolete versions of TrafficLight 5 4 9 SetTrafficLight Version 0 Query The st...

Страница 197: ...stem 6 1 Configuration A couple of configuration files must be created General configuration file Detectors configuration file 6 1 1 General configuration file Contains the unit configuration This fil...

Страница 198: ...he file is divided into sections defined between brackets with their parameters described below one per line Global NumDetectors Detector1 parameter1 value1 The first section Globals indicates the num...

Страница 199: ...parameters for speed detectors CalculateMetrics enables the calculation of speed and length 0 disabled 1 enabled CameraDistance horizontal distance between the unit and the detector in millimetres Le...

Страница 200: ...comments and ignored by the simulator Unit events all lines will represent vehicle movements Several vehicles can be simulated These are managed by a single identifier integer value There are three t...

Страница 201: ...wo vehicles movement The first vehicle drives from the bottom to the top of the image When bypassing the half it increases its speed Then the second car starts its movement from the top to the bottom...

Страница 202: ...tLoopTS SmartLoopTSPlus FGlobals path absolute or relative to the unit configuration file FDetectors path absolute or relative to the detectors configuration file FLog path absolute or relative to the...

Страница 203: ...ere the following fields can be seen Live Camera graphical representation of the virtual lane All movements taking place on that lane can be seen Detectors list of all detectors and their related task...

Страница 204: ...stem 7 1 Configuration A couple of configuration files must be created General configuration file Detectors configuration file 7 1 1 General configuration file Contains the unit configuration This fil...

Страница 205: ...ated detector The file is divided into sections defined between brackets with their parameters described below one per line Global NumDetectors NumTrafficLights Detector1 parameter1 value1 Trafficligh...

Страница 206: ...n 1 signal through a digital input Extra parameters in a red light detector IsVideoEnabled enables disables the generation of a video to each incidence Possible values 1 enabled 0 disabled Only availa...

Страница 207: ...ights number of lights 7 1 2 4 LightX_Y section Description of a light belonging to a defined traffic light X indicates the traffic light identifier and Y is the light identifier from 1 to the total a...

Страница 208: ...light centre of the light x y 614 126 16 pixels radius The virtual lane parameters will be written in a configuration file There is an example available in the installation folder Simulation Simulatio...

Страница 209: ...traffic light state Event parameters they will depend on the event type see below 7 2 1 Vehicle movement event Several vehicles can be simulated These are managed by a single identifier integer value...

Страница 210: ...ter vehicle 2 type Van1 is created on position 35000 out of the image 0 Van1 2 35000 2000ms later vehicle 2 must be on position 10000 out of the image 2000 Van1 2 10000 7 2 2 Digital input event The s...

Страница 211: ...on and no lights on 7 2 3 1 Instruction structure Milliseconds the simulator has to wait from the previous instruction until the execution of the next one Event type TrafficLight change of the traffi...

Страница 212: ...the log file generated by RLSimu DPersistent folder where incidences will be stored simulates the Log folder of the unit FTP The simulator will create the sub folder Incidences if it don t exist FSim...

Страница 213: ...unit Events list of the most recent events 7 4 Simulation example Example of a complete simulation Two vehicles are driving a truck and then a car while there occur changes in the I O card and also in...

Страница 214: ...he image bottom 1000 Car1 2 10000 1000ms later end of movement of truck1 on the image top 1000 Truck1 1 45000 at the same time input 0 inactive 0 Input 0 0 at the same time traffic light changes to re...

Страница 215: ...ed to detect any later manipulation Keep in mind that stored data make two records summaries and incidences of limited size so once the disk is full of data the oldest data will be deleted automatical...

Страница 216: ...me number of detected vehicles AvgHeadway the average distance headway of vehicles in seconds Example of a XML file xml version 1 0 encoding UTF 8 Summary Unit 1 Unit Detector 1 Detector DetectorType...

Страница 217: ...angeX range X where X is the range identifier starting from 1 InferiorLimit inferior limit of the range SuperiorLimit superior limit of the range not included If it s infinite its value will be 1 Perc...

Страница 218: ...contains all data from the summary Unit unit identifier Detector detector identifier DetectorType type of detector SPEED for a speed detector Period period when data was collected From start of the p...

Страница 219: ...limit of the range not included in millimetres SuperiorLimit superior limit of the range not included in millimetres If it s infinite its value will be 1 Percentage percentage associated to the range...

Страница 220: ...ier left padded with zeros until reaching eight digits The contents of the file is the following Incidence contains all data from the incidence Id incidence identifier Type type of incidence RED_LIGHT...

Страница 221: ...d year month day Time time formatted as hh mm ss us hours minutes seconds microseconds Duration video duration in miliseconds Width width of image in the video in pixels Incidence contains all data fr...

Страница 222: ...Name 00000003 avi FileName IniTimeStamp Seconds 1276610126 Seconds USeconds 80133 USeconds Date 2010 06 15 Date Time 15 55 26 80133 Time IniTimeStamp EndTimeStamp Seconds 1276610127 Seconds USeconds 9...

Страница 223: ...the video geneated if video generation is enabled Filename file name of the video recording InitTimestamp time stamp of the start of the video capturing Seconds showed in seconds since 00 00h of 01 0...

Страница 224: ...ds 476000 USeconds Date 2012 06 26 Date Time 11 08 59 476000 Time TimeStamp Image1 Image2 FileName 00000002_2 jpg FileName TimeStamp Seconds 1340701741 Seconds USeconds 984000 USeconds Date 2012 06 26...

Страница 225: ...rcc FMP4 Incidence data inserted into strings these strings are written at the start of AviChunk JUNK Digital sign of the whole video file This way joins incidence data video and time stamp together a...

Страница 226: ...sage padding original message encrypted necessary bytes to make it multiple of 16 The type of AES codification will depend on the password length For passwords up to 16 characters AES 128 will be used...

Страница 227: ...ications All provided programming examples that call the DLL functions can use the protocol encryption just setting Communications Password parameter on its configuration files 8 2 2 SFTP server When...

Страница 228: ...itate to contact our technical support department USA 1 201 227 2020 Brazil and Latin America 55 11 2614 3006 Extension 21 EMEA Asia 34 977 300 377 Or by email at support quercus biz You can also cont...

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