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1. Inline assembly under Ndk
Just like in vc, inline assembly can also be used in ndk compilation environment, as follows:
include stdio.h
int my_thumb(int dummy)
{
__asm__(
“mov r0,#...[Details]
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The slow charging harness is the harness that connects the slow charging port to the on-board charger and uses AC power.
1. Slow charging harness distribution
High voltage wiring ha...[Details]
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The compressor
is
a part of
the car air conditioner
. It compresses the refrigerant into high-temperature and high-pressure gas, and then flows through the condenser, throttle valve an...[Details]
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Principle of infrared spectrophotometry The light emitted by the light source is divided into two beams with equal and symmetrical energy, one beam is the sample light passing through the sample,...[Details]
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The 2019 coronavirus (COVID-19) has put many of our travel plans on hold or canceled. On one hand, some are wondering if air travel will shut down completely. For others, road trips have become their...[Details]
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Function of the circuit
This circuit is a temperature measurement circuit with a linearizer using positive feedback. When the temperature rises, the current flowing through the ...[Details]
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Signal source is one of the four common electronic measuring instruments, the other three are: network analyzer, spectrum analyzer and oscilloscope. This article introduces the basic knowledge of sig...[Details]
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Wirebond once dominated this market, when most chips were relatively uncomplicated and had long product cycles—sometimes as long as 5 to 7 years. But as automakers begin planning for a faster-paced f...[Details]
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Correct selection, calibration and installation are the first steps to ensure that the pressure gauge will perform as expected during production. 1. Selection of pressure gauge The selection of pre...[Details]
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I believe that many people will refer to various parameters when buying a monitor , such as the panel, screen size, resolution, interface, etc., but one of them is what everyone needs to pay attent...[Details]
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According to foreign media reports, Rivian recently published a patent application and provided more details of the patent. The patent is called "Autonomous Driving Vehicle Occupant Cognitive Monitor...[Details]
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There are various types of capacitors, which can be divided into ceramic capacitors, supercapacitors, and electrolytic capacitors according to the production materials. As an indispensable electron...[Details]
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The reason is actually very simple, the optimization level set by Keil by default is too high! You just need to change it After changing it to 0, you can set a breakpoint anywhere By the way, don'...[Details]
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Prepaid smart IC card gas meter is a civil high-tech product that can automatically charge and control gas consumption according to the amount of gas purchased by the user's IC card. It can realize p...[Details]
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1 Introduction
Nowadays, embedded devices exist in every corner of people's lives, such as digital cameras, mobile phones, TV set-top boxes, and PDAs, etc. Most of these embedded devices use 3...[Details]