Yajun's Blog

知识记录与分享

技术人生,永不倦怠

    Bluetooth_overview

    内容摘要: Bluetooth Overview Bluetooth Basics Benefits of Bluetooth Technology How Bluetooth Technology Works Core System Architecture Profile Overview Bluetooth Basics Bluetooth wireless technology is a short-range communications technology intended to replace the c...

    Transport_arch

    内容摘要: Overview The Bluetooth data transport system follows a layered architecture.

    Profiles

    内容摘要: ## Serveral Common Bluetooth Profiles A/V Remote Control Profile(AVRCP) This profile is commonly used in conjunction with A2DP to provide media control, like skipping tracks, play, pause, and media volume control. Defined device...

    Le_op

    内容摘要: ## Overview

    Host_blocks

    内容摘要: ## Channel Manager

    Controller_blocks

    内容摘要: Device Manager the functional block in the baseband that controls the general behavior of the Bluetooth device. responsible for all operations not directly related to data transport such as: Inquiry Connect make local device discoverable or co...

    Br_edr_op

    内容摘要: Overview operates in the unlicensed ISM band at 2.4 GHz employs a frequency hopping transceiver to combat interference and fading and provides many FHSS carriers. uses a shaped, binary frequency modulation to minimize transceiver complexity. ...

    Bluetooth_overview

    内容摘要: ## What's Bluetooth

    L2cap学习系列之一

    内容摘要: L2CAP Channel * L2CAP is based around the concept of ’channels’. * Each one of the endpoints of an L2CAP channel is referred to by a **channel identifier (CID)**. ## CHANNEL IDENTIFIERS * The null identifier (0x0000) shall never be used as a destination endpoint. * Iden...

    有三种钱必须花

    内容摘要: ## 有三种钱必须花 李嘉诚 ## 学习的钱 * 头脑是东山再起的最大本钱,因为脑袋穷,人生就会穷。 * 人生中的困境,是你前世未完成的功课,一定要通过自我摸索与自我学习,才能突破与跃进。 * 聪明的人懂得通过学习别人的经验为借镜,避免自己重蹈覆辙走冤枉路。 * 学习的钱一定要舍得花,因为它一定会有窗口让你再把钱赚进来。 * 把钱投在自己的头脑上,是最安全的理财。 * 好好栽培自己永远不嫌迟。 * 把学费交给有智慧的人引导我们,而不是把钱砸在学费高昂的社会大学里。 ## 孝敬父母的钱 * 不管你的父母经济情况如何,孝敬父母的钱...

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