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Should arm32 configure CONFIG_HIGHMEM? The premise is that vmalloc_min is 0xf000 0000, and kernel space size: user space size = 1:3 If memory = 768MB Want to do linear mapping of all memory D...[Details]
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Shanghai, China – Relying on its excellent technical support and performance growth capabilities, Future Electronics, a world-renowned authorized agent for electronic components, recently won the "Be...[Details]
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Simulation diagram proteus7.8 and above Program compiler: keil 4/keil 5 Programming language: C language Design number: S0056 1. Main functions: Based on 51 microcontroller AT89C51/52 (common to 51 c...[Details]
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The oscilloscope is a widely used and relatively complex instrument. This chapter introduces the principles and usage of the oscilloscope from the perspective of usage. 01Oscilloscope Working Princi...[Details]
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Nowadays, with the continuous improvement of science and technology and intelligence, a large number of smart devices have emerged and gradually entered our lives, bringing unprecedented convenience ...[Details]
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IT Home reported on July 7 that digital blogger @坏评帝 exposed a patent drawing of the appearance of OPPO gaming phone. From the picture, we can see that the design of the phone is very stylized,...[Details]
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Electronic products, electrical products, power products, testing product performance parameters (voltage, current, resistance, etc.), waveform distortion, you must use an oscilloscope. Oscilloscopes...[Details]
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I just started learning MSP430 and used IAR5.4. I wrote my first program according to the example in the reference book. It is as follows:
#include "io430.h"
void main( void )
{
// St...[Details]
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Taking ST's V3.50 firmware as the target, 1. The definition and address allocation of the tick register in the kernel .H file are as follows typedef struct { __IO uint32_t CTRL; ...[Details]
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The vehicle overload detection simulation principle diagram is as follows The source program of the electronic scale microcontroller is as follows: //Linear interval scale transformation formula...[Details]
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JC rel ; (C) = 1, transfer, otherwise execute sequentially. JNC rel ; (C) = 0, transfer, otherwise execute sequentially. Flags are not affected. Transfer address: (PC) (PC) + rel For example, comp...[Details]
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Last week, Tencent AutoLink released TAI 3.0, claiming that it can be deployed in cars in two months. However, after reading the details, I found that except for the exclusive application of WeChat C...[Details]
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Cars are becoming an indispensable part of people's lives. However, what worries car users is that the theft of vehicles is increasing year by year. This article aims to design a convenient, reliable ...[Details]
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September 19 news, according to a press release on Intel’s official website, Intel has recently launched a glass substrate for next-generation advanced packaging. Babak Sabi, Intel’s senior vice pres...[Details]
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On the morning of October 26, Wei County held a groundbreaking ceremony for the Qingyun Fengda New Energy Storage Project. Cui Yaopeng, secretary of the county party committee, attended and delivered ...[Details]
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