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arm_linux kernel generation process:
1. Generate vmlinux in the root directory of the linux kernel source code according to arch/arm/kernel/vmlinux.lds. This vmlinux is the original kernel with debug...[Details]
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According to foreign media reports, with the increase in carbon emission requirements and the development of electric vehicles, many automakers have formulated timetables to stop producing fuel vehic...[Details]
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A design of an intelligent fast charger. The charger is based on the MC68HC908SR12 single-chip microcomputer as the control core. The SR12's unique analog circuit module, high-precision A/D convers...[Details]
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LED has been very popular for such a long time, and more and more people are entering the LED industry. The wave of bankruptcies and mergers and acquisitions cannot change everyone's enthusiasm fo...[Details]
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//**************************************************//STC15F2K60S2 serial communication program, sends the data received by the serial port out from the serial port//Use 22.1184M crystal oscillator, ...[Details]
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With the vigorous development of power electronics technology, a large number of nonlinear loads have been added to the power supply system. The widespread application of low-voltage and small-capacit...[Details]
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How to determine the time base If the baud rate to be measured is 9600, then the time of each bit is: 1/9600 ≈ 104 μs. Generally, there are 5 small grids in each large grid horizontally on the oscill...[Details]
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question Vector network analyzers can measure impedance and Z parameters. However, in the specification manual, the impedance measurement range is rarely marked. How to determine the impedance measur...[Details]
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The Carlyle Group (Nasdaq, CG) today announced that it has agreed to acquire Flender GmbH, a leading company in the mechanical and electrical transmission industries, from Siemens AG for EUR 2 billio...[Details]
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According to official news from Longhua Technology, on May 18, Jinglian Optoelectronics' first domestically produced G10.5 ITO target material for TFT-LCD was successfully loaded and delivered from i...[Details]
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We have already talked about how to initialize SPI. Next, let's talk about the sending function. First, the code void OLED_Writ_Bus(uint8_t _data) { Delay20us(); if (SPI_Busy == 0) { SPI_B...[Details]
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The seventeenth requirement of sound: sense of space
I often say that if a sound system (including equipment and space) can "make the sound field float", then it must also be able to...[Details]
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Figure 5.11 shows a finger-like layout of power and ground wires, which is similar to the grid of power and ground, allowing some mutual inductance coupling but saving more circuit board area.
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According to foreign media Android Central, the OnePlus 8T, codenamed kebab, will be equipped with Qualcomm Snapdragon 865 Plus processor. Compared with the Snapdragon 865 in the OnePlus 8 se...[Details]
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The ARM processor startup process involves three aspects of knowledge:
Startup method
Address layout
Start the process
The boot process of the S3c2440 ARM ...[Details]