UART

安防A、D芯片资料，很重要的文件，使用者广泛(Security A, D chip data, it is important documents)

很有价值的消回音降噪语音处理芯片，具体技术支持请联系郭生13189769580(Valuable noise reduction echo cancellation voice processing chip, specific technical support, please contact Guo Sheng 13189769580)

海康威视客户端SDK（以下简称“客户端SDK”）是海康威视嵌入式网络硬盘录像机、视频服务器、IP设备的配套产品，用于设备远程访问及远程控制软件的开发，适用于以下产品型号： 客户端SDK主要功能： 图像预览、文件回放和下载、云台控制、布防/撤防、语音对讲、日志管理、解码卡. 远程升级、远程重启/关闭、格式化硬盘、参数配置（系统配置、通道配置、串口配置、报警配置、用户配置）等. (Hikvision client SDK (hereinafter referred to as " client SDK) Hikvision embedded network hard disk video recorders, video servers, IP devices and accessory products for device remote access and remote control software, for Product Model: DS-90xx hybrid DVR DS-80xx, the DS-70xx, the DS-71xx, DS-72xx DVR DS-60xx, DS-61xx video server, encoder/decoder, IP devices, including IP blocks, IP camera (hereinafter referred to as the " IPC" ), IP fast ball, and other client SDK main features: image preview, playback and download files, PTZ control, arm/disarm, voice intercom, log management, decoder card remote upgrade, remote reboot/off, format the hard disk parameter configuration (system configuration, channel configuration, the serial port configuration, alarm configuration, user configuration))

说明：  嵌入式linux 下使用 v4l2采集USB摄像头图像的完整代码,输出文件可播放(Using v4l2 to collect the complete code of USB camera image under embedded linux, the output file can be played.)

实时时钟处理芯片ds1337驱动程序，芯片由i2c接口控制，将文件加入到linux内核的driver i2c/chips目录下，在makefine中添加该文件直接编译即可(real-time clock chip ds1337 driver, from i2c chip interface control, file into the Linux kernel driver i2c/chips directory, In addition makefine the document can be directly translated)

TI davinci dm6446 视频处理方案，文件为PDF.(TI davinci dm6446 video processing scheme)

AT91RM9200从入门到开发所要学习的知识和过程，包括uboot移植，linux移植，以及linux启动和工作的全过程，包含软件和硬件知识！(AT91RM9200 from entry to the development was to learn the knowledge and processes, including uboot transplant, linux migration, as well as linux boot up and work the entire process, including software and hardware knowledge!)

说明：  利用Qt开发的仓库管理系统，包含数据库操作，实现出入库和库存查看等功能(The warehouse management system developed by Qt includes database operation, access to warehouse and inventory view functions.)

linux的多进程处理与调度，处理阻塞与非阻塞(linux multi-process handling and scheduling, handle blocking and non-blocking)

eCos开发环境在Debian Linux下的建立(eCos development environment in the establishment under Debian Linux)