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Key points: #define Setbit(y,x) y|=(1 (x)) //setb(p1,2); p12=1; #define Clrbit(y,x) y&=~(1 (x)) //clrb(p1,2); p12=0; #define Getbit(y,x) (0x01&(y (x))) //Get a certain bit value *****************...[Details]
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China Unicom and Qualcomm IoT Joint Innovation Center (hereinafter referred to as "Joint Innovation Center") was officially unveiled and put into use in Nanjing. Chen Xiaotian, General Manager of Chi...[Details]
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1. In traditional Linux systems, Linux drivers generally have two types of code: code for accessing hardware registers and business logic code.
2. Android's hierarchical structure: application...[Details]
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Recently, Nanjing Chuangxin Huilian Technology Co., Ltd. (hereinafter referred to as "Chuangxin Huilian"), an expert in 5G communication baseband chips, announced that it has received strategic inves...[Details]
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Today I will continue to play with the mini2440 development board and figure out the compilation and burning process of U-boot. First of all, here is a premise. The u-boot used here is a ported and...[Details]
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Apple continued its “Shot with iPhone” series today by uploading another “Experimental” video focusing on the iPhone 13 Pro’s camera capabilities. In the video, titled "Movie Magic," Dong Hoon Jun ...[Details]
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Global automotive semiconductors face huge market opportunities, but design engineers also face technical challenges in terms of cost, power consumption, security, etc. This article uses the latest...[Details]
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News on November 16, 2023. As cars become more connected and technologically advanced, the need for enhanced safety measures also increases. The latest cybersecurity specifications from governments a...[Details]
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Intel and Google Cloud recently announced a collaboration that will help enterprises leverage existing on-premises self-managed hardware to improve the capabilities needed to simplify applications an...[Details]
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China Energy Storage Network News:
According to the 2020 State Grid Corporation's science and technology project acceptance plan, the State Grid Science and Technology Department organized ex...[Details]
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1. General requirements for the test piece The surface of the test piece should be clean, free of dust, oil and oxide scale. 2. Requirements for the surface temperature of the test piece The surface ...[Details]
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Design of automatic control system
6.1 Basic ideas of control system design
As mentioned above, a single-...[Details]
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According to foreign media Pulse91, the real picture of Lenovo's new phone K10 Note has been exposed recently. It will use Qualcomm Snapdragon 710 processor and may be the Lenovo Z6 Youth Editi...[Details]
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STK200/300 is a kit designed by KANDA for ATMEL, but the online programmer part in the original design can be simplified. This is the simplified circuit diagram I (BA1FB).
You will find it i...[Details]
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210 startup process:
Although there is a distinction between BL1 and BL2 in 2440 and 6410, the same is true for 210:
...[Details]