1. After setting up the development correctly, you can test whether the code can run correctly. A more convenient way is to download the EFR Connect Android app.
After startup, enter the demo page, wi...
[color=#ff0000]A: How can I encapsulate a GPIO into a node of /sys/device/platform/rst. [/color] [color=#000000]B: Does it have to be in this directory /sys/device/platform/? Is there a way to only pu...
The hardware serial port has a FIFO function, so the received data will be put into the buffer. Since the GPIO simulation has no buffer, I "copied" a FIFO work myself.
fifi.c
/**************FIFO Begin...
Please help me, big guys. I beg you.
1. Based on the principle of the narrow pulse frequency discrimination circuit, design a practical frequency discrimination circuit, in which the monostable trigge...
Clock waveform output test
Like STM32 , the PA.8 pin of STM32 has the MCO function , which has a multiplexing function - clock output (MCO) , which can output the internal clock of STM32 through PA.8 ...
[i=s]This post was last edited by uuxz99 on 2020-10-19 11:01[/i][ AT-START-F403A Evaluation] Part 5 - FreeRTOS system based on IAR environment security library (sLib) function evaluationThis time, the...
Late last month, the U.S. Patent Office granted Apple a patent that was published this week by the European Patent Office. The invention relates to a smart fabric that can adjust its appearance throu...[Details]
China, November 10, 2014 - STMicroelectronics (STMicroelectronics, referred to as ST; NYSE: STM), a global semiconductor leader serving customers across multiple electronics applications and a ma...[Details]
1. Driving requirements for low current flash lamps
For various reasons, the flashlights in most mobile phones, MP4s, PDAs and other products on the market are implemented with low-brigh...[Details]
Physicists first postulated
more than a century ago
that the fusion of hydrogen into helium powers the sun. It took researchers many years to uncover the secret: lighter elements collide ...[Details]
1 Introduction
With the development of mobile storage industry and the popularization of digital products, the demand for mobile storage in data acquisition systems, industrial control industry and...[Details]
Work notes:
To debug external RAM, I expanded a 64K RAM on CS0, which means the address starts from 0X80000000. At first, I didn't know the setting of REALVIEW, so I couldn't read or write RAM...[Details]
The control of the servo generally requires a time base pulse of about 20ms. The high-level part of the pulse is generally the angle control pulse part in the range of 0.5ms-2.5ms, and the total inte...[Details]
According to foreign media NotebookCheck, the LG V60 ThinQ phone will soon receive the Android 11 system update. Foreign media asked the US telecom operator T-Mobile, and the official replied t...[Details]
One of the great advantages of development is that it is very convenient to make an interface. During the development process, we will definitely use front panel controls. Among the Boolean control...[Details]
Drones and self-driving vehicles are changing the world by enabling them to go places humans can’t. However, these machines are vulnerable to accidents because they lack the most basic human vision...[Details]
A hundred years after the definition of automotive tools, tools have shifted from computers, communications, the Internet to smartphones and then to AI . It seems that they have lost their past glory...[Details]
The volume of automobile consumption is far from being fully developed, but the trend of consumption upgrading is gradually igniting. Africa is just like China 30 years ago and India 20 years ago, pr...[Details]
Among the 51 single-chip microcomputers, the general at89s51 has two external interrupt sources. I think other enhanced models should have two more, but it is still not a lot. Sometimes it needs to...[Details]
The μC/OS-II operating system is a preemptive multitasking, single memory space, tiny kernel embedded operating system with high efficiency and compactness. It has high execution efficiency, smal...[Details]
On October 15, the Sichuan Provincial Department of Economy and Information Technology issued an announcement, publicizing the list of 25 new industrial tracks to be recognized in Sichuan Province ...[Details]
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