2014.03.29/Write Yesterday, I finally prepared to start bare-metal development on the S3C6410. I wrote the program and compiled it into an .axf file. Everything was going smoothly, and I was ready to use JLINK for online debugging when suddenly I felt that success was just around the corner. JLINK was recognized by the computer normally, … Read more
This article is a highlight from the Kanxue forum. Author ID: Zeng Banxian The firmware verification defect of Jlink V10 was previously published along with a flashing tool, but the defect requires flashing once and then flashing back. Before the release, during a discussion in a mobile device development group, a group member mentioned that … Read more
BOM stands for Bill of Material, which can be translated as a material list, material inventory, or parts list. BOM contains information about the material names, quantities, models (suppliers), material codes, etc., of the components used in PCBA, making it a crucial document for guiding PCBA assembly. The contents of the BOM are often represented … Read more
Read the latest documentation and participate:【Find Errors in Documentation and Win Prizes】 ActivityFor the latest documentation content of this article, see:https://docs.openluat.com/air724ug/luatos/app/driver/spi/ 1. Introduction SPI stands for Serial Peripheral Interface. SPI is a high-speed, full-duplex, synchronous communication bus that only occupies four lines on the chip pins: SDI (Data Input), SDO (Data Output), SCLK (Clock), and … Read more
Follow+Star Public Account Number, don’t miss out on exciting content In recent years, starting with Apple’s release of theAirPods, the true wireless headset market has seen rapid growth, and theTWS/OWS headset market has also experienced significant sales increases. The charging cases that accompanyTWS headsets have developed rapidly alongside the headsets. This article introduces a design … Read more
Click on the above “HD Life” to follow us and subscribe for great articles In the previous session, we provided a flashing course for the RK3188 series. This time, the editorial team will give a detailed explanation of flashing for Allwinner series products. Let’s get straight to the point, Let’s Go! This course is applicable … Read more
Hello everyone, I am Liang Xu. This article is the 5th in the embedded series, and I plan to publish two articles per week in the future. The articles will be organized systematically to facilitate learning and communication. All of Liang Xu’s articles are first published on the website: www.lxlinux.net/e/, feel free to bookmark it. … Read more
Today, let’s delve into a seemingly basic yet often overlooked topic — what exactly happens from the moment you press the reset button until your <span>main()</span> function begins execution? Overview of the Startup Process: The Journey of System Awakening Imagine your MCU as a robot just awakened. It needs to get dressed (load the stack), … Read more
1. What is BIOS The term BIOS first appeared in 1975, and it stands for Basic Input Output System. It truly gained prominence with the launch of the IBM PC in 1981, marking the beginning of a tumultuous history. The IBM PC system generally consists of three parts: hardware, software, and the middleware BIOS, with … Read more
Becoming a formal embedded development engineer is a challenging process that requires developers to maintain and manage every bit and byte of the system. From a well-defined development cycle to strict execution and system checks, there are many techniques for developing highly reliable embedded systems. Today, I will introduce 7 practical and long-lasting tips that … Read more