CANape
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CANape is a software tool from
Vector Informatik {{Infobox company , name = Vector Informatik , logo = , type = GmbH , slogan = , foundation = April 1, 1988, location = Stuttgart, Germany, key_people = Managing directors * Dr. Thomas Beck * Dr. Matthias ...
. This development software, widely used by OEMs and ECU suppliers of
automotive industries Automotive Industries Ltd. (, ''Ta'asiyot Rekhev Natzrat Ilit'', AIL) is an Israeli automaker and major supplier of the Israeli Security Forces. History Located in Nof HaGalil, the company was founded in 1966 by Automotive Equipment Group as ...
is used to calibrate
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s in ECUs at runtime.


Description

In calibrating ECUs, control behavior is modified for different vehicle models or variants. This is not done by making changes to the program code, but instead by changing the ECU's
parameterization In mathematics, and more specifically in geometry, parametrization (or parameterization; also parameterisation, parametrisation) is the process of finding parametric equations of a curve, a surface (mathematics), surface, or, more generally, a ma ...
. This involves the use of measurement and calibration systems such as CANape in the laboratory, on test benches or in vehicles during test trials. To evaluate the effects of changes to parameters, development engineers access the relevant process variables with conventional measurement technology at
sensor A sensor is often defined as a device that receives and responds to a signal or stimulus. The stimulus is the quantity, property, or condition that is sensed and converted into electrical signal. In the broadest definition, a sensor is a devi ...
s and
actuator An actuator is a machine element, component of a machine that produces force, torque, or Displacement (geometry), displacement, when an electrical, Pneumatics, pneumatic or Hydraulic fluid, hydraulic input is supplied to it in a system (called an ...
s and read out the data from the ECU. Measured data internal to the ECU, e.g. intermediate results of a computational function, can be accessed via ASAM standard protocols XCP or CCP and the ECU's standard interfaces ( CAN,
FlexRay FlexRay is an automotive network communications protocol developed by the FlexRay Consortium to govern on-board automotive computing. It is designed to be faster and more reliable than CAN and TTP, but it is also more expensive. The FlexRay co ...
, LIN,
Ethernet Ethernet ( ) is a family of wired computer networking technologies commonly used in local area networks (LAN), metropolitan area networks (MAN) and wide area networks (WAN). It was commercially introduced in 1980 and first standardized in 198 ...
/ BroadR-Reach). For high-performance ECU access, data from microcontroller-specific interfaces (for example JTAG, DAP, AURORA) can be converted via external hardware (like Vector's VX1000 system) in XCP on Ethernet. A typical use case for calibration with CANape is online calibration. This involves modifying parameters directly in the ECU. The resulting control characteristic can be measured and checked directly. Using this approach, measured data from the ECU or physical measurement variables on or in the vehicle can be precisely analyzed to determine the effects of each individual change.


Features

Functions required to modify parameter values are implemented as standard features in CANape: Measuring, analyzing (manually or automated), calibrating, calibration data management, and flashing. CANape also enables symbolic access to data and functions accessible via the diagnostic protocol, and it supports calibration over XCP on FlexRay. Options extend the functional features of CANapeOptions for CANape
/ref> by enabling access to models at runtime in
Simulink Simulink is a MATLAB-based graphical programming environment for modeling, simulating and analyzing multidomain dynamical systems. Its primary interface is a graphical block diagramming tool and a customizable set of block libraries. It offe ...
, functional bypassing, optical verification of object detection algorithms in developing driver assistance systems ( ADAS), and an ASAM MCD3 interface. CANape uses its own scripting language, hereinafter referred to as CASL (Calculation and Scripting Language). CASL, is a signal-oriented language. CANape contains a function editor for writing cross-device functions and scripts. The CASL scripting language used for this is similar to the C programming language. For easier use, CANape provides an IntelliSense input, code blocks, and various built-in function groups. Functions and scripts can be used to solve a variety of different tasks from simple calculations, e.g., adding signals, to automation of CANape.


Versions

Version 1.0 was released in 1996. Up to Version 6.0 the product was known as CANape Graph. In January 2017, CANape version 15.0Version History CANape
/ref> was current. In October 2019, the current version was 17.0.


Supported standards

Internal ECU parameters are accessed via standardized measurement and calibration protocols such as CCP (CAN Calibration Protocol) and XCP (Universal Measurement and Calibration Protocol). CANape was the first measurement and calibration tool to enable access over XCP on CAN and XCP on FlexRay. Supported ASAM standards, status as of June 2015: * AE MCD-1 XCP * XCP on CAN Interface Reference * XCP on Ethernet Interface Reference * XCP on FlexRay Interface Reference * XCP on SxI Interface Reference * XCP on
USB Universal Serial Bus (USB) is an industry standard, developed by USB Implementers Forum (USB-IF), for digital data transmission and power delivery between many types of electronics. It specifies the architecture, in particular the physical ...
Interface Reference * AE MCD-1 CCP * AE MCD-2MC ASAP2/A2L * AE MCD-2D ODX * AE MCD-2 FIBEX * AE MCD-3 * COM/DCOM Interface Reference * ASAP3 (Automation/Optimization Interface) * MDF Other supported standards: * CAN with DBC description format, CAN FD, Ethernet, BroadR-Reach, SOME/IP, FlexRay, LIN, SAE J1939, GMLAN, and MOST * KWP2000 on K-Line * ISO 14230 (KWP2000 on CAN) and ISO 14229 (UDS) * Transport protocols ISO/TF2 and VW-TP2.0 * Integration of measuring devices and hardware interfaces of third-party manufacturers * iLinkRT If a development task requires a high measurement data throughput of up to 30 MB/s, Vector's VX1000 System can be used to access data over microcontroller-specific data trace and debug interfaces like JTAG, DAP, LFAST, RTP/DMM, Nexus AUX or AURORA.


See also

* CANalyzer *
CANoe A canoe is a lightweight, narrow watercraft, water vessel, typically pointed at both ends and open on top, propelled by one or more seated or kneeling paddlers facing the direction of travel and using paddles. In British English, the term ' ...


References


External links


CANape on the web site of Vector


– CCP and XCP at standard category "ASAM AE (Automotive Electronics) – Software Development, Connection and Use of Controllers" {{DEFAULTSORT:Canape Computer-aided engineering software Data analysis software