Window 2 is created in the timer of window 1. Click a button in window 2 and window 3 will appear. All are implemented with CreateWindow. There is a problem with the third window. Its timer event does...
Qorvo provides leading technology and comprehensive product solutions for demanding hybrid fiber-coaxial (HFC) and broadband applications. Qorvo's broadband portfolio includes high-power amplifiers, l...
I am a novice and am currently learning LINUX embedded system. I am interested in radio frequency technology, but I know too little about it. I hope some expert can give me some advice on what knowled...
Since ordinary HTML and SHTML are in different formats from XML, I think it is not feasible to parse XML, and the parsing is too complicated. Is there a simple way to directly obtain a region in HTML ...
[size=4][color=#666666][font=verdana, 宋体] "Easy Introduction to Learning Methods and Analytical Thinking of Electronic Technology" is divided into seven major sections, which connects theory with diag...
I used iar to compile and link today, and there were always several errors. I couldn't rule out the error. It means that USBD_ReqGetStatus is not defined. It seems that the header file contains it, bu...
Regarding the PHY construction of LWIP, the PHY chip used is LAN8720A, RMII mode. Regarding the hardware connection part, the Atomic board F407 is used, and the hardware connection is as follows: ...[Details]
Because the STM32 HAL library only has millisecond-level delay for HAl_Delay(), in order to achieve accurate microsecond-level delay, Systick has to be modified. However, since it is used internally ...[Details]
Chip: STM32F107VCT6 Application Pin: THOUSANDS, RMII STM32CubeMX is very convenient to use ETH. The software comes with LWIP and configuration. This time, STM32F107VCT6+DP83848CVV is used. The MII a...[Details]
I used STM32CubeMX V4.22.1 to generate a project including EHT and Lwip. The debugging has been abnormal. After careful inspection, the following problems were found: 1. The hardware uses LAN8720A, b...[Details]
From last year to now, competition in the photovoltaic inverter industry has become increasingly fierce. In addition to the introduction of new products, various marketing and promotion methods hav...[Details]
According to foreign media reports, the 2018 GMC Terrain Denali is equipped with multiple collision detection systems, and a recent test verified the safety of the system. Even when driving in a bu...[Details]
Autonomous driving
and
5G
are the two hot topics that global companies and media are paying the most attention to, and the combination of the two is the focus of everyone's attention....[Details]
sprintf is a function in the C language library that converts data types. There is a situation where In 51 MCU, define unsigned char temp; Then I want to use the serial port to print out temp in deci...[Details]
According to the description provided in the official manual of ST, it is not difficult to see that the ADC analog watchdog is actually that the user can set an upper and lower limit of the AD value...[Details]
OSC_IN and OSC_OUT are external crystal pins by default. If you do not use an external crystal oscillator on the STM32, how to connect OSC_IN and OSC_OUT If you use the internal RC oscillator instead...[Details]
In the 80C51 single-chip microcomputer, the clock frequency is known to be 6MHz. Please program P1.0 and P1.1 to output square waves with periods of 2s and 0.5s respectively. Please give the answer a...[Details]
6MHz crystal oscillator, using timer counter 1, using interrupt mode, through P1.0 to make a light emitting diode turn on for 100ms, turn off for 300ms, and repeat. Assembly programming is used to ac...[Details]
1.GCC+PN(WinAVR-20071221) Introduction: WinAVR-20071221 comes with Programmer's Notepad, which is an easy-to-use and powerful code editor with basic functions such as project management, syntax colo...[Details]
//Note: The GCC-AVR version used in this article is WinAVR20100110 Interrupts are not part of the C language, and the implementation of interrupts is implemented by the compiler. Therefore, the writ...[Details]