CAN-to-Flexray gateways Device and confi guration tools lexray and CAN net- Listing bus data traffic toring channels it is possi- power management func- Fworks will coexists in (tracing) ble to compare timing rela- tionality offers configurable the next generation or pas- Graphic and text displays tionships and identify timing sleep, wake-up conditions, senger cars. Flexray orig- of signal values problems. and hold times. The data inally designed for x-by- Interactive sending of GTI has developed a manipulation functionality wire applications gains mar- pre-defined PDUs und gateway, which provides has been extended in or- ket acceptance particular- frames two CAN and two Flexray der to enable the user to ap- ly in driver assistance sys- Statistics on nodes and ports. It is based on the ply a specific manipulation tems. Nevertheless, Flexray messages with the Clus- MPC5554 micro-controller. function several times. Also applications need informa- ter Monitor The gateway is intended to available for TTXConnexion tion already available in ex- Logging messages for be used for diagnostic pur- is the PC tool TTXAnalyze, isting CAN in-vehicle net- later replay or offline poses, generating start-up/ which allows simultaneous works. Therefore, CAN-to- evaluation sync frames, and it can be viewing of traffic, carried on Flexray gateways are nec- Display of cycle multi- used with existing software the various bus systems. essary. Besides deeply em- plexing, in-cycle rep- tools. The Flexray/CAN bedded micro-controller etition and PDUs in the The TTXConnexion by gateway by Ixxat is a with CAN and Flexray inter- analysis windows TTControl is a gateway tool configurable PC application faces, there is also a need Agilent also provides an combining data manipula- allowing Flexray messag- for gateway devices as in- analyzing tool for Flexray tion, on-line viewing, and es and signals to be trans- terface modules for system and CAN. The PC software logging for Flexray and CAN ferred to CAN networks. and network design tools package allows users to op- networks. The gateway pro- Working in both directions as well as for prototyping. erate the VPT1000 (includ- vides bus-termination that this is especially useful for Several companies have ed with MSO7000-Option may be switched on and off. applications, where exist- already launched CAN-to- FR2) gateway by means of The updated version of the ing CAN-based measure- Flexray gateway devices. a graphical user interface. It device is smaller and fea- ment and control technol- Elektrobit has intro- is possible to visualize and tures a space-saving con- ogy has to be integrated duced the EB 61x0 gateway. analyze the received ana- nector concept. The soft- into Flexray environments. It features Flexray and CAN log and digital signals. Bus ware provides an optimized Another use is the integra- interfaces as well as analog statistics are displayed as trigger concept including tion of a Flexray control unit and digital inputs/outputs. It well. With the high-preci- visualization of configured in the CAN in-vehicle net- comes in a rugged housing sion time-stamp all moni- triggers. The gateway’s works. In addition, CAN-to- and is designed as a multi- CAN and Flexray-to-Flexray purpose-hardware. Silver At- data exchange is possible. ena provides a configurable The gateway with configu- gateway module for the bus ration software for the PC systems Flexray, CAN, LIN, and a gateway runtime ap- and Ethernet, which offers plication, which is execut- signal conditioning and the ed on the hardware plat- possibility to include user form. The software on the applications. The module is PC is required to define the available as a single or dou- gateway configuration. After ble gateway. It supports Fi- downloading to the target bex and dbc file formats. It hardware, the gateway ap- also provides an interface plication runs independent- to HIL systems by Dspace. ly of the PC. The gateway Vector offers the CAN- from Ixxat can be used for alyzer. Flexray analyzing residual bus simulation for tool. It analyzes and moni- Flexray and CAN systems. tors different communica- Based on the Fibex de- tion technologies such as scription file normally used Flexray and CAN simulta- for the Flexray bus, code is neously. The basic func- generated for the hardware tions include: Fig. 1: Agilent’s gateway platform used, which trans- 12 CAN Newsletter 1/2010 The PowerView® 750 freely-configurable screens on a 7-inch WVGA ! CAN 2.0B ! SAE J1939 ! CANopen ! NMEA 2000 ! PAL/NTSC video ! RS485 modbus ! USB 2.0 ! Data logging ! IP67 ! -40 to +85°C operation The PowerView 750 display features a fully modular design. Any of the major components can be redesigned and assembled to meet your exact needs. In the U.S. In Europe FW Murphy Frank W. Murphy, Ltd. P.O. Box 470248, Tulsa, OK 74147 USA Swichgage House, Church Rd., Laverstock tel. +1 918 317 4100 fax +1 918 317 4266 Salisbury SP1 1QZ, U.K. email: [email protected] tel. +44 1722 410055 fax +44 1722 410088 www.fwmurphy.com http://www.fwmurphy.com/pv750 email: [email protected] http://www.fwmurphy.co.uk/pv750 0910510 mits the messages required it is possible for the units to for communication with the also start the gateway appli- necessary CRC (cyclic re- cation independently after a dundancy check) check- power-on without a connec- sums and alive-counters tion to the PC. Due to this Device according to the specified stand-alone capability, pre- cycle. This ensures the op- configured units can also erability of the Flexray. be installed in inaccessible The PC-based config- places in the vehicle or test uration software by Ixxat is bench. used to allocate signals on In particular in test sys- the Flexray bus to signals tems for automotive elec- on the CAN network (and tronics, Flexray-to-CAN vice versa) via a graphical gateways are required. Eb- interface. The signals spec- erspaecher has introduced ified in the Fibex bus de- the Flexcard PMC II, which scription file or CANdb can Fig. 2: Ixxat’s Flexray/CAN gateway and software provides Flexrax, CAN, LIN, be selected and allocat- and Ethernet ports. The ed by drag-and-drop. The some of the signals on the tion is stored in the RAM or gateway has been devel- software supports user in- Flexray bus are relevant, so in the flash memory of the oped specifically for hard- puts by suggesting signals that the bandwidth of the hardware platform. After ware-in-the-loop applica- with relevant names. A de- CAN networks is sufficient. a successful download, a tions. The company that scription file is optional for If the available bandwidth is connection to the PC is no offers a broad range of CAN. If no description file exceeded, the user is noti- longer necessary. Flexray interface boards co- is available, the user can fied with a message. After The hardware platform operates with National In- also specify the messag- completed configuration, used for the Flexray to CAN struments (NI) and supports es or signals manually. The the software calculates the gateway is the Flexray CCM the Labview software. Us- tool checks all allocations allocation of the signals and or the FRC-EP150. Both ing the “virtual instrument” for consistency, i.e. the data provides them in the form units from Ixxat have a ro- approach, the user can run length and data type of the of a loadable table. All files bust housing, an extended Labview applications on the input and target signal are of a configuration can be temperature range and a gateway. (hz) compared. In the event of stored in one project and re- wide supply voltage range. www.eberspaecher.com inconsistencies, the user is loaded later for additions or The units are therefore ideal www.elektrobit.com notified of this by means of modifications. With a down- for use in vehicles or in the www.gti-muenchen.de a warning or error message. load dialogue, the neces- rough environment of a test www.home.agilent.com All CAN interfaces provid- sary files and code can be bench. The Flexray/CAN www.ixxat.de ed by the hardware plat- transferred to the hardware gateway configuration can www.silver-atena.com form can be used to trans- platform. The user can de- be stored in the flash mem- www.ttcontrol.com mit signals. Generally, only cide whether the configura- ory of the units. In this way www.vector.com xxat has introduced the Data logger and bus monitor and records continuously ICarcorder, a data log- the data transfer (up to sev- ger for automotive commu- case, an integrated UPS for ables the user to define trig- eral years). Sporadic nega- nication systems, and the up to 10 s of power cut and ger conditions and to set- tive impacts, such as exter- CANobserver, a tool for it has a power consumption up diagnostic tasks. The nal EMC interferences or a physical and logical long- of less than 10 mW in deep bus-configuration is done slowly deteriorating signal term monitoring of CAN net- sleep mode. The wake-up by importing the related bus quality caused by worn plug works. The data logger is is initiated with the first valid description files (CAN dB, connections can be detect- available as Basic or Plus message, which will be re- Fi bex, A2L, ODX, open ed by the physical layer di- version. The Basic version corded also. With the PC- XML). agnosis and logical frame provides six CAN interfaces based software tool, the The bus monitor is monitoring in a timely man- (compliant to ISO 11898-2 data logger can be config- suitable for CANopen and ner.