Difference between revisions of "J-Run"
(→Usage) |
|||
Line 1: | Line 1: | ||
+ | [[Category:Software Tools]] |
||
J-Run is a command line utility for automated tests. |
J-Run is a command line utility for automated tests. |
||
It loads an application (elf) file to the device under test, runs it, and captures the application's output. |
It loads an application (elf) file to the device under test, runs it, and captures the application's output. |
Latest revision as of 13:30, 16 May 2024
J-Run is a command line utility for automated tests. It loads an application (elf) file to the device under test, runs it, and captures the application's output.
The origin on J-Run is described in this blog post: https://blog.segger.com/j-run-automating-performance-tests
Test Applications
J-Run supports any ARM and RISC-V device which is supported by J-Link, and elf output from most toolchains.
The test application can do standard printf-style debug output to the debugger. J-Run supports handling of RTT and Semihosting.
When the test application is finished, it can call the semihosting exit operation or print the wildcard exit string (by default "STOP"), to exit the J-Run test.
The target output is printed to the terminal. It can be redirected to a file or application for further analysis.
Usage
JRun [options] elf-file
Option | Default | Description |
---|---|---|
--usb SerialNo | Not set | Connect to J-Link with SN "SerialNo" via USB. |
--ip sIP | Not set | Connect to J-Link with IP "sIP" via IP. |
--device str | STM32F407IE | Set device name to "str". |
-if SWD/JTAG | SWD | Select SWD or JTAG as target interface. |
-speed n | 4000 | Set interface speed to n kHz. |
--rtt | Auto | Force RTT enabled. |
--nortt | Auto | Force RTT disabled. |
--semihost | Auto | Force semihosting enabled. |
--nosemihost | Auto | Force semihosting disabled. |
--exit str | *STOP* | Set exit wildcard to "str". |
--quit | On | Automatically exit J-Run on application exit. |
--wait | Off | Wait for key press on application exit. |
--stderr | Off | Also send target output to stderr. |
--jlinkscriptfile Path | Not set | Set path of J-Link script file to use to "Path". Further info: J-Link script files |
--silent | Off | Work silently. |
--verbose | Off | Increase verbosity. |
--dryrun | Off | Dry run. Parse elf-file only. |
Example Output
C:> jrun --wait JRun_Demo.elf J-Run compiled Aug 15 2019 12:09:19 (c) 2018-2019 SEGGER Microcontroller GmbH www.segger.com Open application...OK Set target device to STM32F407IE...OK Select SWD interface...OK Set interface speed to 4000 kHz...OK Reset target...OK Download 08000000-08002E19...OK SEGGER_SEMIHOST_DebugHalt found at 0x08000734 Start target application...OK Reading output from target until exit command. ============================================== SEGGER J-Run demo. Took 2582433 cycles J-Run finished. Press any key to exit. C:> _
C:> jrun --silent JRun_Demo.elf SEGGER J-Run demo. Took 2582433 cycles C:> _