Debugging for the runtime monitoring of high-end SoCs

Debugging for the runtime monitoring of high-end SoCs

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By eeNews Europe

For example, trace functions for data transfers between the six Arm Cortex-R52 cores, special CPUs and peripherals are now also supported for the Stellar automotive microcontroller family from STMicroelectronics, which go far beyond the previously available Arm CoreSight debug and trace system.

In addition, the extended trace functions of UDE 5.2 also allow data transfers via Networks-on-Chip (NoC) to be observed for the first time. These networks are increasingly being used to ensure efficient and flexible data transmission on the chip in highly complex, high-end microcontroller systems. In parallel, a conventional code trace of one or more cores can of course also be performed. Thus, for the first time, the UDE allows the evaluation of the overall system behavior of these new microcontrollers. Moreover, a trace analysis, specially optimized for the Arm CoreSight ETM v4, is used for the core trace, which offers an intelligent correlation of related data and instruction trace. This greatly simplifies the subsequent evaluation of the recorded trace information by the user. Furthermore, trace functions for the Bosch Generic Timer Module (GTM) are now also available especially for the Stellar family.

The extensive debug functions of the Universal Debug Engine (UDE) are not only available for STMicroelectronics’s Stellar MCU family. Other current MCUs are also supported, such as for example, the new AURIX TC33 and TC36 devices from Infineon, the high-performance STM32H7 MCU and the latest SPC58 E-line multi-core automotive MCUs from STMicroelectronics as well as new controllers of the RH850 family and the R-Car H3 from Renesas.

Add-ons for Real Time Operating System (RTOS) awareness of the latest FreeRTOS and SafeRTOS operating system versions can also be integrated into UDE for development of real-time critical applications under the control of real-time operating systems. These add-ons provide developers with all the necessary information of the operating systems such as tasks, queues, semaphores / mutexes or timers in a well-structured form. A further add-in is available for the PXROS-HR real-time operating system from HighTec and provides a detailed overview of its objects and the status.

Additionally, in terms of functionality and ease of use, the latest version of the UDE meets a whole range of special customer requirements. For example, the management of software projects with many source code paths has been revised and further optimized. It now allows not only an unlimited number of path replacement rules for source files, but also the exclusion of complete source paths. This is useful, for example, if software libraries are used for which no source code is available. Furthermore, the breakpoint management is also presented in a completely new outfit in UDE. All breakpoints in code as well as data breakpoints are now accessible for the developer in a central window in UDE and can thus be changed even more quickly and conveniently. This central breakpoint window also plays an important role when dealing with multicore breakpoints, which can be used in code shared by multiple cores. Here the user can select those cores which should react to the set multicore breakpoint and thus should stop synchronously.

The UDE 5.2 also supports software debugging via the Universal Measurement and Calibration Protocol (XCP Version 1.5), which was defined by the Association for Standardization of Automation and Measuring Systems (ASAM) as an associated standard to the actual XCP. Precisely for the development of automotive applications in the powertrain domain, this debug channel offers the great advantage that both the UDE and measurement and calibration tools can communicate simultaneously and conflict-free with the ECU without additional hardware effort. A time-consuming change of tools, which would otherwise have relied on one and the same debug interface on the control unit, is therefore no longer necessary.
PLS Programmierbare Logik & Systeme GmbH –

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