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Due to work requirements, I am preparing to learn MCU, and I am also preparing to learn embedded Linux in the future. Recently, I am fed up with the automatic updates of Win10, so I gave up the Win...[Details]
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This paper proposes a residential electricity management solution based on embedded Linux system. The system structure is shown in Figure 1. The entire residential electricity management system is ...[Details]
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When using an oscilloscope to repair a color TV, you don't have to follow some fixed steps, but for those who are new to using an oscilloscope to repair a color TV, it is necessary to master the ge...[Details]
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An oscilloscope is a common test and measurement device that can convert invisible electrical signals into visible graphics, helping designers to detect circuits or collect data. It plays an importa...[Details]
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The human body's neural signals directly represent the human body's self-meaning. Studying neural signals provides a way to understand and identify the human body. Over the years. At present, the r...[Details]
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At present, the instruments for measuring distortion can be roughly divided into two categories according to the measurement principle: fundamental wave elimination method and spectrum analysis ...[Details]
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1. Interruption 1. The concept of interruption When the CPU is processing an event A, another event B occurs, requiring the CPU to process it quickly (an interrupt is generated); The CPU temporar...[Details]
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The U.S. Department of Energy recently announced that AMD, a world-renowned semiconductor technology company, will work with supercomputer manufacturer Cray to build the world's fastest supercomputer...[Details]
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Mitsubishi PLC counter soft element OUT, RST instruction mnemonics and functions
Internal counter programming
C0 counts the number of OFF-ON times of X011. When it reaches the...[Details]
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On August 16, Renesas Electronics announced that the Fair Trade Commission of Taiwan has dropped its review of its acquisition of Dialog. The transaction has been approved by the United States, Chi...[Details]
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The TMS320VC5402 (VC5402) enhanced peripherals consist of a software wait state generator, a phase-locked loop clock generator, a 6-channel direct memory access (DMA) controller, an enhanced 8...[Details]
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IT Home reported on April 7 that the OnePlus 9 series was officially released at the end of last month, but only the OnePlus 9 and OnePlus 9 Pro were launched in China. Another Snapdragon 870 m...[Details]
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1. What is PendSV PendSV is a suspendable exception. If we configure it with the lowest priority, then if multiple exceptions are triggered at the same time, it will be executed after other exception...[Details]
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Download the code
The stm32 standard peripheral library is the peripheral driver for the full range of stm32 chips. With it, we can greatly accelerate the development of stm32.
First, downl...[Details]
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In the design of the driver, we may use flush_cache_all to flush the contents of the ARM cache to the RAM, because the cache in ARM Linux is generally set to write back. Usually, DMA cannot access ...[Details]
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