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1 Phenomenon: The keil4 input cursor turns into a black square, as shown below:
2 Reason: The cursor turns into a black square. You may have accidentally pressed the insert key, changing...[Details]
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Recently, according to media reports, Mainline Technology, a domestic self-driving truck company, is involved in vehicle manufacturing. The main partner is FAW Jiefang, the leader in independent comm...[Details]
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Recently, China Communications Construction Yu Ke, a subsidiary of NavInfo, and Beijing Nebula Internet Technology Co., Ltd. officially signed a strategic cooperation agreement in Beijing. According...[Details]
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According to statistics, the aging of Chinese society is becoming more and more serious, and the medical and health problems of the elderly are becoming more and more important. Among them, the chroni...[Details]
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introduction
Passive optical network PON has been applied on a large scale in the network with its unique advantages. Since the GPON system has the highest bandwidth utilization rate, the lowest sy...[Details]
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Cortex-M3 Overview (1 Introduction The Cortex-M3 is a 32-bit processor core. The internal data path is 32-bit, the registers are 32-bit, and the memory interface is also 32-bit. The CM3 uses a H...[Details]
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Recently, Lu Weibing, President of Xiaomi Group China and General Manager of Redmi Brand, warmed up the Redmi K50 gaming version and announced sample photos of the front and rear cameras. Lu...[Details]
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We all know that the school uses bells to control the class start and end times of all classes. How does the microcontroller fetch instructions, execute instructions and perform other operations? Her...[Details]
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News from Huawei's official EMUI Weibo account shows that 13 models including Huawei Mate 20 have been able to fully upgrade to EMUI 10.1. So what are the benefits of upgrading these 13 Huawei and ...[Details]
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Functional features of variable frequency power supply products:
■ Wide range of applications: For different types of power supplies around the world, users can not only simulate their voltage and ...[Details]
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As a domestic brand that has made rapid progress in the field of science and technology in recent years, the news that Huawei is going to build cars has attracted media attention many times. However,...[Details]
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Siemens low-code helps SAIC Passenger Vehicle's "1+4" digital transformation Key findings: • Driving force for change: With the rise of the Internet wave, we embrace new technologies with an o...[Details]
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With the rapid development of communication technology, electrical signals are becoming more and more complex and transient. Developers have put forward higher and higher requirements on the perform...[Details]
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On August 4, Minxin Co., Ltd. issued an announcement on the results of its initial public offering and listing on the Science and Technology Innovation Board, determining the issue price to be 62.67 ...[Details]
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First, in the previous example, add the dma.c file to the dev folder, and then add it to the Makefile in that directory:
This is the framework. Next, open dma.c to implement it:
...[Details]