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简介：针对飞控模拟装置中基于HDLC协议通信需求，完成了一种新的基于FPGA+ARM架构HDLC协议控制器的设计。文中首先介紹了HDLC协议的帧结构和循环冗余校验(CRC)原理，然后结合FPGA可进行任意数据宽度操作和ARM编程简单灵活的优点，有效实现了符合HDLC协议的帧结构和CRC校验的应用方法，满足HDLC协议要求。应用结果表明设计能够很好地满足各项功能指标的技术要求。 High-Le...[Details]
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The system expands two high-speed counting ports, one of which is used to record the speed of cotton strips on site, so that the length of cotton strips can be calculated, and the process parameter...[Details]
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When we learned serial communication, we focused on the operation process of the serial port's underlying timing, so the routines were all simple sending and receiving of characters or strings. In ac...[Details]
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Ultrasonic flowmeter is a flow detection instrument based on the principle of velocity difference method, which has certain applications in many industries. When installing ultrasonic flowmeter, we ne...[Details]
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Wingtech Technology issued an announcement, announcing that it has reached an agreement with OFILM on the acquisition of specific customer camera business. Wingtech Technology will complete the acqui...[Details]
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Preface
IC cards can be divided into two categories according to their structure: memory cards and microprocessor cards (CPU cards). The main control functions of the logic encryption card are...[Details]
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Introduction: Dutch battery startup LionVolt has completed a €4 million seed round of financing. The company is developing a solid-state battery based on lithium metal for applications such as electr...[Details]
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1 Problem Presentation and Face
Today is the era of the third generation of mobile communications (3G), and mobile phone designers are busy developing new solutions to solve a series of ne...[Details]
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When analyzing the UART in ARM-Linux s3c2440, it is necessary to first understand the hardware knowledge of the serial port in s3c2440A. Hardware: The S3c2440A serial port provides three independen...[Details]
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The core system of smart home is an intelligent detection and control system based on wireless communication transmission system, and wired communication technology is used as a partial supplement ...[Details]
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Progma compiler directive in GCC under ARM architecture
Mainly speaking #pragma pack()
1. Why do we need memory alignment?
2. Bare metal code verification of the default alignment ...[Details]
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China Energy Storage Network News
: On April 20, Narada Power and the Management Committee of Zhenjiang New District, Jiangsu Province officially signed an agreement to invest in an energy in...[Details]
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Chinese automobile brands are launching a massive "intelligent race." In the past six months, more than 20 brands have claimed to have pushed the high-speed NOA version (High-speed Intelligent Navi...[Details]
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Currently, there are huge differences in market analysis statistics for high-brightness LEDs (light-emitting diodes). Despite the divergence of forecasts, one trend is clear: the high-brightness (H...[Details]
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On November 10, researchers at the Vienna University of Technology (TU Wien) developed a self-learning robot that can imitate humans to complete simple tasks, such as cleaning a washbasin.
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