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We have cross-compiled and generated OpenCV libraries and libjpeg-related libraries. Now let's try to write and cross-compile an OpenCV application. 1. Opencv test program test.cpp program code: ...[Details]
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#include
#define uint unsigned int
uint i=0;
void delay(uint z) //delay function
{
uint x,y;
for(x=z;x 0;x--)
for(y=20;y 0;y--);
}
void main (void)
{ ...[Details]
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Using the self-biasing characteristics of JFETs, you can build a DC/DC converter that can operate from power supplies such as solar cells, thermocouples, and single-stage fuel cells, all of which h...[Details]
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Factors affecting the accuracy of the three-dimensional coordinate measuring machine In addition to the measurement accuracy error caused by the fault of the three-dimensional coordinate measurin...[Details]
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Writing C programs in a certain style can help the C compiler generate ARM code that executes faster. Here are some key points related to performance:
1. Use signed and unsigned int types...[Details]
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At present, except for a small number of users who cannot upgrade, it can be basically considered that one more iOS 14 user means one less iOS 13 user. Sina Digital News reported on the morning o...[Details]
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Electromagnetic flowmeter is made according to Faraday's law of electromagnetic induction. It is used to measure the volume flow of conductive liquids with a conductivity greater than 5μs/cm. It is p...[Details]
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Digi-Key Electronics, a global distributor of off-the-shelf electronic components and automation products with a wide variety of products and fast shipping, recently announced that it will hold match...[Details]
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近年来，平板电视的发展非常迅速，而中国平板电视市场经过连续数年的快速增长现已进入成熟期。得益于销售价格的回落，3D、智能、互联网电视市场的显著增长，并随着三网融合的推进，预计IPTV、互动数字电视、智能互联网电视业务的用户数量将在几年内都达到千万级规模。这同时预示着，用于平板电视的高效且功能强大的开关电源需求也在显著增加。
ON Semiconductor's NCP19...[Details]
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Each GPIO port of STM32 has two special registers, GPIOx_BSRR and GPIOx_BRR registers, through which the corresponding GPIOx port can be directly set to '1' or '0'.
Each of the upper 16 bits of GPI...[Details]
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Until recently, most technological innovations were born in well-funded corporate and university research labs, because developing new technologies was both expensive and time-consuming. Developing n...[Details]
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There are many types of temperature detection instruments . When selecting temperature detection instruments , you should pay attention to the characteristics and applicable scope of each instrumen...[Details]
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Keysight Technologies has announced its intention to acquire all of the issued and to-be-issued share capital of Spirent Communications PLC ("Spirent") for a cash consideration of 199 pence per Spi...[Details]
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Honda recently announced its latest intelligent assisted driving function and promised to improve and enhance the active safety system of its cars, and to safely and completely equip the hardware in ...[Details]
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Analysis process:
Program entry
Phase 1 Program Analysis
Second stage program analysis
2440 Development Board:
1.uboot entry:
To see the entry of...[Details]
Embedded System
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