嵌入式产品中的osip的源代码.

通过51单片机来进行测量光的强弱来转换成频率来发出相应的频率的声音，实现光控电子琴，通过数码管显示出来，程序已经带有详细的注释，可以方便的使用。

硬盘MP3源码，包括原理图，--Hard drive MP3 source code, including diagrams.

s3c44b0下uclinux下，声卡驱动源代码-s3c44b0 under Basis, sound card driver source code

cypress的an2131开发板原理图-cypress an2131 the development board diagram

PPP协议C语言源代码，可移植到嵌入式系统上！-It is the C source file of ppp protocol that can be transplanted to embeded systems.

802.15.4 mac协议

由 Xilinx 提供的 IIC 接口，使用 AXI interface。 Features ‧ AXI interface is based on the AXI4-Lite interface ‧ Master or slave operation ‧ Multi-master operation ‧ Software selectable acknowledge bit ‧ Arbitration lost interrupt with automatic mode switching from master to slave ‧ Calling address identification interrupt with automatic mode switching from master to slave ‧ START and STOP signal generation and detection ‧ Repeated START signal generation ‧ Acknowledge bit generation and detection ‧ Bus busy detec ‧ Fast mode 400 KHz operation or standard mode 100 KHz ‧ 7-bit or 10-bit addressing ‧ General call enable or disable ‧ Transmit and receive FIFOs - 16 bytes deep ‧ Throttling ‧ General purpose output, 1 bit to 8 bits wide ‧ Dynamic Start and Stop generation ‧ Filtering on the SCL and SDA signals to eliminate spurious pulses

应用背景ADXL345 是AD 公司的一款 3轴、数字输出的加速度传感器。stm32驱动该传感器进行通信和获得数据。关键技术功能简介：主函数不停的查询ADXL345的转换结果，得到x、y和z三个方向的加速度值（读数值），然后将其转换为与自然系坐标的角度，并将结果在LCD模块上显示出来。DS0来指示程序正在运行，通过按下WK_UP按键，可以进行ADXL345的自动校准（DS1用于提示正在校准）。

PLC控制日本安川伺服电机的源程序。控制方式为串口控制，按顺序发送相应指令。-PLC Yaskawa Japan servo motor control of the source. Control mode for the serial control, according to the order to send the corresponding commands.

virtual LED display - POV display of 8 LEDs