Use an oscilloscope to test the pin of UART0, but there is no waveform. UART0 is multiplexed with MII, so the PINMUX of MII is shielded, and the PINMUX3 setting is used. After checking the kernel star...
Reprinted from: http://www.stdaily.com/index/kejixinwen/2021-07/21/content_1198986.shtmlAccording to the latest progress in electronics published in the British journal Nature on the 21st, a British r...
Author: Wuhan Huaqian Embedded College Technical Support Teacher Tu b][font=Songti][size=12pt] Table of Contents: 1. Process Representation in the Linux Kernel 2. Process Management in Linux 3. [font=...
When writing the source program of the PIC microcontroller, in addition to the strict list instructions at the beginning of the source program, you must also pay attention to the rules of upper and lo...
I want to make a 0 to 15V adjustable voltage regulated power supply using LM317. The question requires the output current to be no less than 80ma. How should I deal with the current problem? I also do...
The most significant event in the technology circle during this period is undoubtedly the news that ZTE was banned by the United States. Once the news came out, it shocked the entire Chinese techno...[Details]
In the war without gunpowder between China and the United States,
ZTE
has become a new victim. The seven-year chip ban by the United States has pushed this communications giant to a life-or...[Details]
I recently upgraded MDK to V5.25 and found that there are many libraries in the Managing Run-Time Environment. Compared with the past, it is much better, from the bottom-level driver to the upper-le...[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]
China Energy Storage Network News:
The State Grid Corporation of China, this elephant, is planning to turn around and enter the emerging power service market.
The rallying cry for the tr...[Details]
The photovoltaic industry has become a new business card for China to the world. It not only represents China's leading technology, but also constantly breaks various records with its development spee...[Details]
The storage media corresponding to the three boot modes of STM32 are built-in to the chip, they are: 1. User Flash = Flash built into the chip 2.SRAM = RAM area built into the chip, which is the m...[Details]
When the program starts running, light A turns on for 5 seconds, then turns off, light B turns on for 5 seconds, light B turns off, light C turns on for 5 seconds, light C turns off, the program ends...[Details]
I have been deeply affected by serial ports since 51. The MAX232 I bought from Huaqiang was originally broken. I thought there was something wrong with my circuit or schematic. Since there was no goo...[Details]
According to Kyodo News, Japan's NTT Institute for Physical Science and others announced on November 20 that they had successfully developed a new ultra-high-performance
quantum computer
th...[Details]
Mobile phone battery charger program made by STC12C2052AD microcontroller #include stc12c2052ad.h #include intrins.h #define uchar unsigned char #define uint unsigned int sbit REF =P1^0; sbi...[Details]
The watchdog timer is a counter whose basic function is to restart the system after a software problem or program runaway occurs. The watchdog counter counts automatically when it is working normally...[Details]
Linux and Android
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