Various communication protocols are used in automotive ECUs. Previous articles introduced several serial communication methods, such as: Understanding the SPI Protocol: Principles, Architecture, and Applications Understanding the I2C Communication Protocol Understanding the Differences Between I2C and SPI Buses Chassis Domain Control: Have You Heard of AK and PSI5? In this article, we will introduce another … Read more
1. Introduction Previously, we implemented the read and write operations for SPIFLASH. Now, we will continue to add functionality by porting xmodem to achieve the import and export of on-chip mem and SPI FLASH. This allows us to dump the contents of on-chip RAM and FLASH, and also to import and export the contents of … Read more
1. Background 1. Storytelling When a <span>.NET application</span> crashes on Linux, we can configure some references to obtain the corresponding core file. After obtaining the core file, we can open it with windbg, and often see a message like this: <span>Signal SIGABRT code SI_USER (Sent by kill, sigsend, raise)</span>, as shown below: (1.1d): Signal SIGABRT … Read more
Hello everyone! I am Xiaokang. Today, we are going to discuss a topic that sounds dull but actually hides a lot of secrets — C language macros. ⚡ Friendly Reminder: Follow me to stay updated! There will be more hardcore technical articles shared later, guiding you through Linux C/C++ programming! 😆 What? Macros? Isn’t that … Read more
WAGO project. The diagram on the left is the schematic & the one on the right is the physical image. They are consistent when viewed side by side.Please pay attention to the physical image on the right. I connected the 7PIN ribbon cable. The three wires on the left are for the serial port (ignore … Read more
Place MASM in the D drive. Start DOSBox and enter mount c d:\masm and press Enter. This command mounts the D drive MASM as the C drive. Because when you first start, it is on the Z drive. Next, enter c: and press Enter; it has successfully started and is now usable. General-purpose registers: AX, … Read more
Introduction to GDB The GNU Project Debugger (GDB) is a long-standing program written by Richard Stallman in 1986, supporting multiple languages including C/C++ and modern languages like Rust. GDB is a command-line application, but there are many graphical user interface front-ends and IDE integrations available. For this tutorial, we will use the command-line interface as … Read more
When learning STM32 development, the step of DEBUG debugging is essential. This article will guide you through the knowledge related to debugging. Taking STM32F1 and Cortex-M3 as examples, the principles are similar for other series of chips or cores.01【Overview】 In STM32, there are many debugging components. Using them allows for various debugging functions, including breakpoints, … Read more
OpenOCD is used to drive the JTAG interface, typically in conjunction with GDB for code execution debugging. The usage of GDB is fundamentally no different from its use in other contexts.Some debugging techniques for GDB: Advanced Usage of GDBThere are two ways to start GDB and interact with OpenOCD: GDB communicates with OpenOCD over TCP … Read more
Infineon AURIX TC3xx (or TC2xx) series chips include the corresponding Triboard development board, and the official JTAG hardware box is miniWiggler, which also contains the FTDI USB2JTAG chip:Although it is an FTDI chip, it does not work with the open-source openocd, which is used by the FlysWattery hardware box. The corresponding software provided by Infineon … Read more