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1. Why do we need DMA?
First, let's look at the serial port to transmit information: sending strings.
Send function: Add the following send function in uart.c:
Next c...[Details]
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In recent years, with the continuous development of electric vehicle charging and discharging technology, especially the continuous research and development and innovation of on-board charging and ...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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How to improve the battery energy efficiency ratio of IoT devices by extending life and reducing weight In a world where everything is connected, IoT plays a vital role by connecting different sens...[Details]
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illustrate
The Scan Operand for Falling Edges instruction determines whether the signal state of the specified operand ( Operand 1 ) changes from "1" to "0". The instruction compares the curre...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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Nidec Machine Tools Co., Ltd. launches the highly productive gantry machining center "MV12BxⅡ"
Compact machine tools that can handle "all types of processing in all industries"
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1. System Overview The modules used in the system include AT89C51 microcontroller + LCD1602 display screen + ADC0832 + buttons + small lights. The intelligent street light control system designed t...[Details]
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Memory chip prices have continued to decline in the past two years, with memory prices falling by 40% in one year, making life miserable for manufacturers in the industry. As the leader in memory, Sa...[Details]
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At present, the main interfaces in high-definition security equipment are DVI, HDMI, and VGA. DVI: The performance of its video image compression algorithm is equivalent to MPEG1, that is, the imag...[Details]
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#include linux/module.h #include linux/errno.h #include linux/interrupt.h #include linux/mm.h #include linux/fs.h #include linux/kernel.h #include linux/timer.h #include linux/genhd.h #includ...[Details]
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GPIO
Timers, Counters and Interrupts
Definition and configuration of timer:
The counting register is composed of TH high 8 bits an...[Details]
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Portable spectrum analyzers have the advantages of rich functions, excellent performance, small size, light weight, easy to carry and operate, etc., so they have become a common choice for radio inte...[Details]
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Overview of Linux memory management Process and memory management Linux memory is divided into two types from the perspective of memory type: A. Virtual Memory B. Physical Memory Linux memory i...[Details]