Introduction IAP (In-application programming) allows firmware updates over the network without disassembling the device. The firmware of an IAP system typically consists of two parts: the BootLoader Code and the Application Code, stored at different starting addresses: During system operation, the Bootloader program runs first to check the status and determine whether to execute the … Read more
The relationship between JLINK firmware, JLINK drivers, and JLINK hardware versions, as well as methods for firmware upgrades. Beginners often get confused about these issues, so let’s briefly discuss them.1. JLINK Hardware VersionFirst, let’s talk about the JLINK hardware versions, which include V7, V8, and V9. This should not be a problem for everyone. How … Read more
Introduction This article introduces how to use SEGGER’s official software JFlash for program downloading, supporting Hex and Bin files. Downloading and Installing JFlash First, install the JFlash software. After installation, the JLink driver will be installed by default, which includes the following tools: JFlash, primarily used for program downloading and reading. JFlashLite, a mini version … Read more
1 Many beginners encounter difficulties when using the Jlink downloader, often facing various issues that can be quite confusing. This document aims to illustrate some common problems and their solutions, providing reference for those just starting to use the Longqiu Jlink downloader, helping to reduce unnecessary efforts in their learning process. If there are any … Read more
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In a previous article titled “RT-Thread Wild Step Debugging Method,” an example of step debugging on Ubuntu was demonstrated. The article did not specify which type of Link was used. This article will discuss the three most common Links (JLink, STLink, CMSIS-DAP Link) and how to use them on Ubuntu. Let the Video Speak Tools … Read more
JLink Usage Tips: Merging Programming Files Introduction IAP (In-Application Programming) allows firmware to be upgraded conveniently over the network without disassembling the device after product release. The firmware in an IAP system generally consists of two parts: the BootLoader Code and the Application Code, stored in different starting address spaces: During system operation, the Bootloader … Read more
JLink Tips Series Tutorial Introduction Most people who play with microcontrollers know that JLink can flash Hex files as an ARM emulator debugger, but not many know that it can also flash SPI Flash. This article will introduce how to use JLink to write or read SPI Flash memory. Among the tools included in the … Read more
When developing with Java 8, if you wanted to run your application on a machine without Java installed, you always had to copy the JRE along with your program. What could originally be a program of a few kilobytes ballooned to over a hundred megabytes with the JRE included, and even after maximum compression with … Read more
In microcontroller development, printing debug information usually relies on serial ports. However, if no serial port is reserved, the RTT (Real-Time Transfer) function of the JLINK debugger can serve as an alternative. RTT enables real-time communication between the target device and the debugging host through the JLINK debugger, supporting log output and data collection while … Read more