Ask everyone a question: ------------------------------- I am doing embedded development on the board. When in kernel mode: float result = 5.4 / 4.3 ; // I have a simple question. Some people say that...
First of all, why does C++ need inheritance? What does inheritance mean? What are the three types of inheritance?
Why do we need inheritance?
When writing large programs, there are often many classes,...
I don't understand the circuit. This amplifier circuit cannot achieve the signal amplification function. I don't understand the first level. I would be grateful if you can help me....
The Southchip SC8905 EVM evaluation data contains a setting tool that can easily set the registers on the control board and read the setting data of the registers. The following is the interface of th...
The definition statements in the .h file of an STM32 file are: #define LED_SEG0 PBout(0) #define LED_SEG1 PBout(1) . . . . #define LED_SEG15 PBout(15) The values assigned in its .c file are: LED_SEG0=...
After the MCU turns off interrupts, if an interrupt occurs, will it be discarded or latched? If it is latched, then if two interrupts of the same type come (for example, both are external interrupts w...
Entering the information age after the millennium, the huge demand for semiconductor chips has made China the world's largest semiconductor market. According to relevant data, the scale of my count...[Details]
【JDPCB】Qisda is introducing smart factories in phases. Chairman Chen Qihong said yesterday (25th) that through high automation, order delivery can be accelerated. The current benefits have reached a...[Details]
On April 20, Alibaba Group announced that it would acquire
the
chip
company Zhongtian Microelectronics and invest in six
chip
companies. Yesterday, JD.com CEO Liu Qiangdong said in a...[Details]
Recently, the US embargo on ZTE has attracted much attention. Let's take a look at the relevant content with the automotive electronics editor. On April 16, local time, the U.S. Department of Co...[Details]
1. The first project We are going to create the first project, which is mainly for project analysis, so that we can understand how CubeMX works and how to trace the code logic. Okay, no more nonsense...[Details]
A few days ago, Hanergy Chairman Li held a grand launch of Hanwa new products, which once again attracted the attention of the mass media to the development of photovoltaics. The unique Hanergy has gr...[Details]
The adoption rate of serverless
cloud
computing
is gradually increasing, but it has not yet reached people's expectations. Various surveys show that serverless
is
still
an eme...[Details]
This routine is also a classic routine on the development board. I modified the framework of the program to make it more suitable for future calls. The specific 4*4 keyboard scanning principle is rel...[Details]
The implementation of CAN driver under embedded operating system Android requires not only adding CAN driver device in Linux kernel, but also implementing the call of Android HAL layer. Taking S5...[Details]
//Observe the difference between feeding the dog and not feeding the dog, and use the LED indicator of the PB port for status indication. //Switch the LED indicator enable switch of the PB po...[Details]
Here is the temperature added in the previous chapter The above figure is the temperature calculation formula: where Vsense is the ADC value collected from the temperature channel. The stm32f407 ...[Details]
Using AT89S51 microcontroller, modify the original one to turn the LED on for 4s and off for 2s. Thank you. Use a timer. (The program is written in the answer, omitted here - just a note) The origi...[Details]
As an important branch of the power electronics industry, the technological progress of photovoltaic inverters is highly dependent on the development of electronic components and control technology...[Details]
Embedded System
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