What is JLink commander?
J-Link Commander (JLink.exe) is a command line based utility that can be used for verifying proper functionality of J-Link as well as for simple analysis of the target system. It supports some simple commands, such as memory dump, halt, step, go etc. to verify the target connection.
How do I run JLink commander?
Answer
- Connect a single JLink adapter or EFM32 STK with on-board JLink to the PC and MCU.
- Run JLink Commander (jlink.exe) in interactive mode with no command line arguments:
- JLink Commander should automatically connect to the only JLink adapter using JTAG.
- [Optional] To switch to serial wire debug (SWD):
Is JLink a JTAG?
J-Link ULTRA+ and J-Link PRO support a maximum JTAG speed of 50MHz.
What is Java Jlink?
Jlink is a Java command line tool that is used to generate a custom Java runtime environment (JRE). You can use your customized JRE to run Java applications. Using jlink, you can create a custom runtime environment that only includes the relevant class file.
What JTAG means?
JTAG is a common hardware interface that provides your computer with a way to communicate directly with the chips on a board. It was originally developed by a consortium, the Joint (European) Test Access Group, in the mid-80s to address the increasing difficulty of testing printed circuit boards (PCBs).
How do I use JLink debugger?
Debug Settings
- Open the Options for Target — Debug dialog of µVision.
- Enable Use and select Cortex-M/R J-LINK/J-Trace.
- Click Settings to open the Target Driver Setup dialog.
- Select SW (Serial Wire) for the debug Port, and click Auto Clk to set the debugging communication speed.
How do I check my JLink connection?
Verify functionality using J-Link Commander
- Connect the J-Link via USB to the PC.
- Power the target device.
- Connect the target device with the J-Link.
- Start J-Link Commander and follow the startup configuration instructions.
What is Jlink used for?
How do I use Jlink debugger?
What is Jlink for?
jlink is a tool that generates a custom Java runtime image that contains only the platform modules that are required for a given application. Such a runtime image acts exactly like the JRE but contains only the modules we picked and the dependencies they need to function.
When was Jlink introduced?
The jlink command was introduced when the module system was introduced in OpenJDK. For this reason it is not available in Java 8, but is in all later supported versions.