Define a variable a in function funA, and then create a task with funB as the entry function of the task. Why can the value of a be modified in funB? For example, funA() { int a; taskSpawn("test",CONS...
[p=24, null, left][color=rgb(43, 43, 43)][font=Lato, sans-serif][size=16px]First, let's talk about how to calculate CPU usage in RT-Thread. It first turns off interrupts and accumulates a benchmark va...
I really want to learn vxworks embedded operating system. I would like to ask experienced experts to share some experience and tips. Where should I start and what preparations should I make? It would ...
Question: I made a minimum system by myself, and used the serial port 1 of stm32f103 to download the program. The following problems occurred:I pressed the reset button and tried again, but it still d...
It’s been a while since I posted my second post. Today I’d like to share again the inexplicable things between me and MX32630. First of all, after I posted the first thread about the light, a forum us...
1 Introduction
A wide variety of communication cables and control cables are widely used in various instruments and control equipment. Whether the cable is well-conducted and
whether
th...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[Details]
MediaTek (2454) announced the acquisition of F-MStar (3697) and attracted the attention of IC design industry. This morning, Gartner Semiconductor Industry Research Director Hong Cenwei analyzed ...[Details]
Introduction
X1226 has the functions of clock and calendar. The clock relies on hour, minute and second registers to track, and the calendar relies on date, week, month and year registers to tr...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
In order to develop lighting LED technology, developed countries attach great importance to the research of LED testing methods and standards. For example, the National Institute of Standards and T...[Details]
In industry, voltage 0…5 (10) V or current 0 (4)…20 mA is usually used as a method for analog signal transmission, which is also a method often used by programmable controllers. So what are the dif...[Details]
Fairchild's FAN6208 is a synchronous rectification (SR) controller for isolated LLC or LC resonant converters that can drive two individual SR MOSFETs emulating the behavior of rectifier diodes. FAN62...[Details]
Previously used primarily in high-power power supplies and large industrial and consumer power supplies, supercapacitors are now finding their way into products of all sizes, especially portable de...[Details]
First, the choice of charging location. Wireless charging technology is related to the distance and state of the charger and the charged device. That is to say, the distance between the two cannot...[Details]
Thyristor is the abbreviation of thyristor, commonly known as silicon controlled rectifier. It is a high-power switching semiconductor device, represented by the letter symbols "V" or "VT" in the c...[Details]
1 Introduction
The Global Navigation and Positioning System (GPS) has been widely used in vehicle positioning because it can provide all-weather, continuous, and real-time high-precision posit...[Details]
1. Introduction
Power flow calculation is the basis for studying steady-state problems of power systems. Since the application of computers to calculate power flow distribution in power sy...[Details]
Embedded System
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