Previously, I used lwip1.4.1, which had the concept of varbindlist. Each varbind to be sent was combined into a list, and then a trap was sent.
Now I am using lwip2.1.2, which does not have the concep...
stopped external ....by other core It always fails to execute. When I disable GPIO_IPINPUTConneced of pin 6.6, I can send content. But I can't receive. The similar program has been implemented on UART...
Continued from the previous article~~~~~
Continue the decoupling/bypass journey~~~~~~~·
This article explains in detail the effects of ESR and ESL on decoupling through examples. By comparing theoreti...
My new computer arrived today. When I bought it, there were 512+1T hard drives and 512 only hard drives. Since I have a lot of hard drives and I plan to install them myself, I didn't choose the one wi...
1. The failure conditions are as follows:The driver installation is correct (the board is automatically installed after the USB is plugged in):
If the MCU selected in config is correct, an error will ...
Before introducing SDRAM circuit design, let's first understand the addressing principle of SDRAM. SDRAM is a storage array inside, which can be imagined as a table. Just like the retrieval principle ...[Details]
Recently, Sungrow and China Electric Power Research Institute jointly carried out a test on replacing traditional SVG with photovoltaic inverters at Sungrow's 100MW photovoltaic power station in Ji...[Details]
Imagine you are building a professionally designed breadboard. You have done all the simulations required before layout and reviewed the manufacturer's recommendations for good thermal design ...[Details]
I. Introduction According to statistics, the annual capacity of single-chip microcomputers in my country has reached 100-300 million pieces, and it is growing at a rate of about 16% per year, but my ...[Details]
Energy shortage and environmental pollution are becoming increasingly serious in the world today, forcing people to find and use new alternative energy sources. With the improvement of electronic tec...[Details]
Steps to use Minitools to burn the uboot.bin file into the mini2440 development board: 1. Connect the development board to the computer with a USB cable, turn the S2 switch of the development board...[Details]
According to industry sources, UMC plans to increase the quotes for popular processes such as 22/28nm by about 6% in 2023.
Taiwan media Electronic Times reported that the market has recently...[Details]
For writing programs, the running address of the program is very important. By default, it can be set directly according to the software module. I didn’t pay too much attention to it before. Recently...[Details]
Keithley source meters are widely used in low voltage/resistance, LIV, IDDQ, IV characteristic analysis, isolation and lead resistance, temperature coefficient, forward voltage, reverse breakdown, le...[Details]
MSP430F149 has rich external interrupt resources. All 16 IO ports, including P1 and P2, can be used as external interrupt sources. We will focus on how to use them.
To make an IO port as an interrupt...[Details]
;Input: analog quantity of channel 1,
;Export: A data area is opened in the on-chip RAM to store the A/D conversion results.
Results from IN0 to IN7
; Stored in 8 units from 30H to 37H
AD0809: M...[Details]
The latest industry forecast is that LCD panel prices will continue to decline by the end of the first quarter or the beginning of the second quarter of 2022. According to WitsView data, the unit pri...[Details]
Reference: "STM32F4xx Chinese Reference Manual" System Configuration Controller and Interrupts and Events chapters. EXTI(External interrupt /evet controller) Those who have come into contact with...[Details]
October 16, 2024 -
In the wave of global digital transformation and the rise of big models, the global computing power industry is gradually shifting from being centered on computing units to b...[Details]
stm32/stm8
京公网安备 11010802033920号
EEWORLD
