There is a paragraph in the rec_packet function in hardware.c in Zhou Ligong's TCP/IP code
if(bnry!=curr) //This indicates that there is a new data packet in the buffer
{ //It is best to return to pag...
[b]Basic Input Interface Considerations[/b]System design using high input frequency, high speed analog-to-digital converters (ADCs) is a challenging task. There are six main criteria for ADC input int...
I have been separated from my girlfriend for a while. I was not used to it at first, but gradually I found that I could live well alone, and I missed her less and less. We had a small conflict some ti...
I'm in urgent need of an oscillator circuit that can output a 100MHz sine wave. Crystal or LC is fine. It must meet all the requirements. The price is 50 RMB. If you have a circuit diagram, please add...
1. Function prototype In the function library officially provided by STM32, you can find functions like HAL_Delay(). This function uses a timer to achieve a more accurate time delay and provides it...[Details]
In the previous article, I wrote a simple GPIO running light test, which looked a bit monotonous. I was used to serial port debugging. If there was no serial port on the board, I had to find another ...[Details]
1. About FPU transplantation As long as the chip has FPU function, the use of FPU is generally enabled by default. You can also select it in the Options tab; 2. About the transplantation of DSP li...[Details]
In 1952, Bell Labs built a 6-foot-tall automatic number recognition machine called "Audrey", which could recognize the pronunciation of the numbers 0 to 9 with an accuracy of more than 90%. And its...[Details]
Artificial intelligence
There is no inherent bias in AI. It does not "think" something is true or false for reasons that cannot be explained by logic. Unfortunately, human bias exists in mach...[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]
With the development of the automobile industry, more and more automotive electronic components are being used in modern cars, providing better safety, comfort and economy for cars. In the past, cars...[Details]
Note: This STM32 microcontroller is the STM32F103 series. The ADC of Stm32 has DMA function. This is beyond doubt and is what we use most! However, if we want to sample a signal (such as a pulse sign...[Details]
DMA： 1. When using DAC, when the converted analog signal is output through the IO port, why is the IO port also configured to input mode? PS: The stm32 manual defines that PA4 and PA5 are connected...[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]
In the packaging process of a production line, every time the conveyor belt of the production line delivers a product to the packaging machine, the "SP" terminal outputs a pulse to the T1 terminal of...[Details]
In 2014, the production and sales of new energy vehicles in China exceeded 80,000 units, and the development trend is encouraging. In order to enable new energy enthusiasts and junior R&D personnel t...[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]
China Energy Storage Network News:
2017 is the year when China's energy internet policy was implemented. Since the National Energy Administration issued the "Notice on the Announcement of the...[Details]
Embedded System
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