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No matter I use ping command or tftp command, it shows CS8900 Ethernet chip not found?! I checked uboot1.1.6/include/configs/smdk6410.h, it is indeed configured to use CS8900 as the network card. Wh...[Details]
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Preface
I often encounter the problem that some people need to put part or all of the program code into RAM when using KEIL. This article summarizes the problem. This article introduces several metho...[Details]
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Since 2019, technological development has been reported frequently, and computing power has continued to increase. The speed of information transmission has become more efficient and accurate, an...[Details]
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Reuters reported that Philips said on the 25th that it would sell its home appliance business to Hillhouse Capital for 3.7 billion euros. Philips said last year it planned to sell its home appliances...[Details]
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Advantech, a Taiwanese industrial IoT manufacturer, announced that it has signed a global distribution agreement with Acronis, a global leader in cyber security protection. Starting from September, A...[Details]
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Digital Tube: Digital tubes can be divided into seven-segment digital tubes and eight-segment digital tubes according to the number of segments. Eight-segment digital tubes have an additional...[Details]
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Generally speaking, microcontrollers with internal A/D converters are relatively expensive, and generally only have 8 to 10-bit resolution, which is obviously not applicable when high resolution is re...[Details]
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In the existing video surveillance projects, more and more companies have chosen IP surveillance systems. Some of them are new projects that directly adopt IP video systems; some need to transform ...[Details]
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German auto parts supplier Bosch has secretly withdrawn from the development of lidar sensors, which are crucial to achieving breakthroughs in fully autonomous driving, Handelsblatt reported. In t...[Details]
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With two-way travel and deep binding, when can domestically produced cars and Chinese chips truly achieve an "effective marriage"? At this 2023 World Intelligent Connected Vehicle Conference, peopl...[Details]
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Although the electromagnetic flowmeter is an old-fashioned flowmeter, it has incomparable advantages over the new flowmeter: With the development of science and technology, new flow meters are co...[Details]
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Migration environment
1. Host environment: CentOS 5.5 under VMare, 1G memory.
2. Integrated development environment: Eclipse IDE
3. Compilation environment: arm-linux-gcc v4.4.3, arm...[Details]
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1. Oscillographic method to measure frequency (1) Determine the frequency by measuring the period The period measurement method can be used to first measure the period of the signal, and then the fre...[Details]
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//------------------------------------------------------------------------------------------------------------------------- /*This is what I wrote: dynamic scanning of digital tubes, and experience o...[Details]
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The pins of a microcontroller can be controlled by a program to output high or low levels, which can be considered the output voltage of the microcontroller. However, the program cannot control the o...[Details]
Analogue and Mixed Signal
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