示例软件包括:公共库、外围api和测试模块
的api。公共库包括启动文件、标准定义和
头文件，特定处理器设置模块，通用中断相关api，
计时器程序。外围目录包括:ADC, DAC, DMA, GPIO, PWM，
实时时钟，定时器，SPI, I2C，看门狗定时器，UART，外部
中断，CAN，以太网，USB HID等。
开发环境是Keil
The Example software includes, common library, peripheral APIs, and test modules
for the APIs. The common library include startup file, standard definition and
header files, processor specific setup module, generic interrupt related APIs,
timer routine. The peripheral directories include, ADC, DAC, DMA, GPIO, PWM,
Real-time clock, timer, SPI, I2C, Watchdog timer, UART, external
interrupt, CAN, Ethernet, USB HID,etc.
The development environment is Keil (2020-06-16, C/C++, 4673KB, 下载1次)
HF9624串口服务器是串口设备联网功能的完整解决方案，这个功能强大的产品支持Wi-Fi或者10/100M以太网自适应，支持完整的TCP/IP协议栈，并且支持多种数据加密方式，确保数据保密性。
HF9624 serial server is a complete solution for serial device networking. This powerful product supports Wi-Fi or 10 / 100M Ethernet self-adaption, supports a complete TCP / IP protocol stack, and supports multiple data encryption methods to ensure data. Confidentiality. (2020-02-04, C/C++, 1031KB, 下载0次)
实现智能配网，智能获取IP地址及端口，在局域网中，采用TCP服务器模式，设备开机及联网后，当无人按门铃及未接到手机APP指令的情况下，可关闭摄像头，当有人按门铃时，可打开摄像头并发送指令提醒用户查看视频监控及进行开关锁的操作或者手机APP端发送指令打开摄像头并传输数据随时查看视频监控。
Intelligent distribution network, intelligent access to IP addresses and ports, in the LAN, using TCP server mode, device boot-up and networking, when no one rings the doorbell or receives mobile phone APP instructions, the camera can be closed, when someone rings the doorbell, the camera can be opened and sent instructions to remind users to view video surveillance and access. Line switch lock operation or mobile phone APP send instructions to open the camera and transmit data to view video monitoring at any time. (2019-07-11, C/C++, 6213KB, 下载6次)
zigbee组网程序测试，1.选择CoodinatorEB-Pro, 下载到开发板A；作为协调器，通过USB线跟电脑连接.
2.选择EndDeviceEB-Pro, 下载到开发板B；作为终端设备无线发送数据给协调器3.给两块开发板上电，打开串口调试助手，设为:115200 8N1 ,协调器间隔5S会收到终端发过来的数据。此时你可以把终端设备的电源关闭，看电脑是否还能收到数据
1. Select coodinatoreb-pro and download it to development board A; As a coordinator, connect to your computer via a USB cable.
2. Select enddeviceeb-pro and download it to development board B; 3. Power two development boards and turn on the serial port debugging assistant, set as :115200 8N1. The interval 5S of the coordinator will receive the data sent by the terminal. You can turn off the power of the terminal to see if the computer can still receive data (2018-05-28, C/C++, 11109KB, 下载0次)
1．概述
PCF8563 是低功耗的 CMOS 实时时钟／日历芯片，它提供一个可编程时钟输出，一个
中断输出和掉电检测器，所有的地址和数据通过 I2C 总线接口串行传递。最大总线速度为
400Kbits/s，每次读写数据后，内嵌的字地址寄存器会自动产生增量。
2．特性
* 低工作电流：典型值为 0.25μA（VDD=3.0V， Tamb=25℃时）。
* 世纪标志
* 大工作电压范围：1.0～5.5
* 低休眠电流；典型值为 0.25μA(VDD=3.0V,Tamb=25℃)
* 400KHz 的 I2C 总线接口（VDD=1.8～5.5V 时）。
* 可编程时钟输出频率为： 32.768KHz， 1024Hz， 32Hz， 1Hz。
* 报警和定时器。
* 掉电检测器。
* 内部集成的振荡器电容。
* 片内电源复位功能。
* I2C 总线从地址：读， 0A3H；写， 0A2H。
* 开漏中断引脚。
3．应用
z 移动电话
z 便携仪器
z 传真机
z 电池电源产品
The PCF8563 is a CMOS1 Real-Time Clock (RTC) and calendar optimized for low power
consumption. A programmable clock output, interrupt output, and voltage-low detector are
also provided. All addresses and data are transferred serially via a two-line bidirectional
I2C-bus. Maximum bus speed is 400 kbit/s. The register address is incremented
automatically after each written or read data byte. (2018-05-28, C/C++, 334KB, 下载1次)
本书讲述的uC/OS 是一个操作系统，既然是系统，那就是一个整体，所以书中各章节
并不完全独立，章与章之间的内容皆有所交叉，只是各章均侧重本章标题对应的系统内核机
制。
The book is about uC/OS, which is an operation system. Since it is a system, it is a whole. So chapters in the book are not completely independent. The contents between chapters and chapters are all crossed, but all chapters emphasize the system kernel mechanism corresponding to the title of this chapter. (2018-03-22, C/C++, 7824KB, 下载3次)
本工程采用STM32F051驱动SX1278ROLA芯片进行乒乓测试，发送和接收的程序都集成在了一起，在程序内部采用宏开关选择，经过测试完全可以用
This project uses STM32F051 driver SX1278ROLA chip for ping pong test. The sending and receiving programs are integrated together, and the macro switch is selected in the program. After testing, it can be used. (2017-12-19, C/C++, 4423KB, 下载25次)
485/422接收到的数据通过串口传给mcu，然后通过spi发给w5500芯片最后可以通过以太网传走
485/422 received data through the serial port to mcu, and then sent to the w5500 spi chip, and finally can be passed through the Ethernet (2017-10-16, C/C++, 6608KB, 下载34次)
串行通信是一种概念，是指一比特一比特的收发数据，相对于并行通信可一次性收发N比特而言。包括普通的串口通信，包括I2C，包括SPI等等。
串口通信是一种通信手段，是相对于以太网方式、红外方式、蓝牙方式、usb方式（usb广义也算串行通信）等而言，是一种比较低级的通信手段。
Implementation of serial communication.Swf (2017-09-19, C/C++, 122KB, 下载1次)
UART以其简单可靠，抗干扰强，传输距离远，组网方便，被认为是嵌入式系统中进行串行数据传输的最佳方式。本文介绍了专为嵌入式系统设计的VK32系列新型多总线接口UART器件的原理及应用技术。
UART with its simple, reliable, strong anti-interference, transmission distance, network convenience, is considered the best way to embedded systems for serial data transfer. This paper introduces the principle and application of technology designed specifically for embedded systems VK32 series of new multi-bus interface UART devices. (2014-11-11, C/C++, 347KB, 下载3次)
程序包含数据采集与数据分析部分、电话交换网程控交换信令识别与分析部分、GSM模块TC35 modem接口程序部分、分析控制部分。
Program includes data acquisition and data analysis part of the program-controlled telephone switching network identification and the analysis of signaling exchange, GSM module TC35 modem interface program section of control section. (2011-03-03, C/C++, 3KB, 下载9次)
嵌入式FAT文件系统免费源码下载
该文件系统是由本人个人开发的，全部代码在VC下编写，测试。VC下测试基于虚拟磁盘驱动（在Flash_management.c）实现对磁盘的读写。实现的文件系统兼容FAT16/FAT32文件系统格式，兼容长文件名，兼容GB2312/UNICODE汉字编码，并且实现了对子目录的支持，实现了文件的读取，写入，创建，删除等文件系统的常用功能。另个，代码都使用C编写，可以移植到单片机上运行。
(FAT16是免费代码，用户可直接使用。
本代码有FAT32（兼容FAT16）和多个盘的版本（收费）， 如果需要，请与本人联系！qq:292942278，E-MAIL：tony_yang123@sina.com.cn）
Embedded FAT file system source code for free download
The file system is composed of my personal development, all code in the VC prepared and tested. To test the VC based on the virtual disk drive (in the Flash_management.c) achieve the disk read and write. Implemented file system is compatible with FAT16/FAT32 file system format, compatible with long file names, is compatible with GB2312/UNICODE Chinese character coding, and realized its subdirectory support for the implementation of documentation to read, write, create, delete and other file system common functions. The other one, write code using C can be ported to run on microcontrollers.
(FAT16 is free code, users can directly use.
This code has FAT32 (compatible with FAT16) and multi-disc version (fee), if required, please contact me! qq: 292942278, E-MAIL: tony_yang123@sina.com.cn) (2010-03-23, C/C++, 667KB, 下载144次)
Cypress SL811HS 评估软件包,用C语言对51单片机进行程序编辑，通过SL811HS，对USB设备，U盘的读写操作，通过8位，16位单片机等，实现单片机的USB储存设备的读写操作。包含了SL811HS的原理图和PCB，还有源代码。与大家分享
Cypress SL811HS evaluation software package, using C programming language 51 MCU editing, through SL811HS, for USB devices, U disk read and write operations through the 8-bit, 16-bit microcontroller, etc., to achieve SCM USB storage devices read and write operations. Contains SL811HS the schematic and PCB, there is source code. To share with you (2010-01-25, C/C++, 4257KB, 下载43次)
lpc2478 + DP83848 的网口程序，本人亲自调通并测试通过
lpc2478+ DP83848 The net interface program, personally and test through general adjustment. (2010-01-23, C/C++, 574KB, 下载384次)
本规范定义串行现场总线的技术和功能特性。 串行现场总线主要用来连接数字现场设备
或中、低功能的系统，如传感器、执行机构、变送器、可编程序控制器（PLC） 、数控装置
（NC） 、编程设备、本地人机接口等。
This specification defines a serial field bus technology and features. Serial field bus is mainly used to connect digital field devices or medium, and low functionality systems, such as sensors, actuators, transmitters, programmable logic controller (PLC), numerical control device (NC), programming equipment, local machine interfaces. (2010-01-11, C/C++, 2835KB, 下载7次)
Luminary单片机,LM3S系列单片机串行（UART）升级应用笔记。介绍 LM3S系列单片机如何通过串行（UART）接口
更新用户程序。 通过使用Luminary Flash Programmer软件可以有以下功能：
1. 通过 LM LINK 可以对 Flash 进行编程、擦除和对调试端口（PB7、PC0~PC3）解锁；
2. 可以通过 UART 对 Flash进行编程；
3. 可以通过以太网对 Flash进行编程。
Luminary monolithic integrated circuit, LM3S series monolithic integrated circuit serial (UART) promotion application note.How introduces the LM3S series monolithic integrated circuit through the serial (UART) connection
renewal user program. Through uses Luminary Flash the Programmer software to be possible to have following function:
1. May carry on the programming, the cleaning and to debugs the port (PB7, PC0~PC3) through LM LINK to Flash the solution lock
2. May carry on the programming through UART to Flash
3. May carry on the programming through the ethernet to Flash. (2009-07-31, C/C++, 570KB, 下载125次)
为实现导弹绝缘电阻的自动化快速测试，缺制了一套便携式测试仪。采用Atmel公司的AT91R M920。作为系统主
控芯片，通过USB总线实现测试数据的实时采集和处理。分析并设计了硬件系统，固件程序，驱动程序及应用程序。实际应
用表明，系统采用USB总线能够方便可靠地完成测试数据的实时通信，具有较好的应用价值。
Insulation resistance for the realization of the missile quick test automation, lack of a portable system for testing equipment. Using Atmel (2008-07-10, C/C++, 2265KB, 下载35次)
W3100是WIZnet公司专门为以太网互联和嵌入式设备推出的硬件TCP／IP协议栈芯片，其硬件TCP／IP协议栈包含了TCP、UDP、IP、ARP和ICMP协议。文中介绍了W3100A的主要特点、引脚功能和基本结构，分析了W3100的软硬件设计应用方法。 (2008-05-10, C/C++, 114KB, 下载35次)
http://www.pudn.com/Download/item/id/458355.html
ARM7_STR710的以态网驱动程序,已经测试通过!只要根据自己的扳子修改相应地址即可使用,注意:本文在测络时，需在断电时，卸掉lcd液晶。两者地址冲突.
ARM7_STR710 to the state network driver has been tested! As long as the wrench in accordance with their own amendments to the corresponding address to use, pay attention: In this paper, in determining the network needs to be in power when the LCD lcd dismantled. Address the conflict between the two. (2007-11-30, C/C++, 344KB, 下载15次)
linux移植的完整文档,包括交叉编译器,bootloader,内核 作者写得很详细,对想从事或已经从事linux,arm嵌入式开发的开发人员很有帮助!
linux transplant complete documentation, including cross-compiler, Bootloader. kernel authors write very detailed, right to engage in or have engaged in linux. Embedded development arm of the development staff helpful! (2007-06-14, C/C++, 1002KB, 下载1165次)