uart

程序描述的是等边三角形麦克风阵列语音增强的程序，采用的是延时求和波束形成的方法，同时实现了声源定位功能。(Procedure is described in an equilateral triangle microphone array speech enhancement procedure, using the delay sum beamforming method, while achieving a sound source localization capabilities.)

PSCAD PWM_DC_Motor_Control_1 PWM直流电机控制模型(PSCAD PWM_DC_Motor_Control_1 PWM DC motor control model)

利用反正切进行角度计算，可用作DSP上的锁相环(can be used as SPLL on DSP)

用28系列DSP与北京迪文公司生产的触摸屏进行通信，来外接完成键盘的测试功能。(DSP with 28 series production with Beijing Di Wengong Division of touch screen to communicate to an external keyboard to complete the testing.)

SCI MODBUS通信程序，应用于DSP，对应功能码包括03、06、16.(SCI MODBUS communication program)

针对光伏并网发电系统中关健部件—逆变器的结构设计与控制方法研究进行了详细分析 和阐述。从电网、光伏阵列以及用户对逆变器的要求出发, 分析了各种不同的逆变器拓扑结构与控 制方法, 比较其运行效率和控制效果。对于本文提出了一种基于全桥变换器的正弦波逆变电源的整体设计 方案。文章首先对系统设计中将使用到的DC/DC变换器，DC/AC变 换器以及PWM控制技术在理论上进行了深入的研究。并讨论了数字 式PID控制算法的实现和在系统中的应用，还针对这种基于全桥变换 器的正弦波逆变器提出了一种用一个电压闭环来调节两个控制量的 PID算法。 其次，文章设计了基于全桥变换器、全桥逆变器和以DSP为核 心的逆变电源控制电路，详细介绍了各相关电路模块的原理与结构。 在完成电路参数设计以后，通过使用MATLAB/Simulink软件对整个 系统进行了仿真分析。并对系统软件设计的思路与实现方法以及关键 程序的流程进行了介绍。 最后，通过系统的带载实验对整套系统软硬件设计的合理性进行 了验证。实验结果表明，本文设计的逆变电源硬件电路和软件系统是 成功的。 (The paper comes up with a full-package solution to convert solar power into AC.This solution is based on the design of the full-bridge converter and the full-bridge inverter.This paper first gives full analysis on the theories of power switching technology,inverter technology and PWM technology.And the theory and fulfillment of PID algorithm are discussed in this paper.Especially for this solution,this paper comes up with a PID algorithm in which two variables are being controlled in one close-loop. Then,this paper gives the procedure to calculate the main circuit parameters.The design of digital controlling circuit and assistant circuits, such as MOSFET driving circuit and voltage protection circuit,are introduced.Based on the parameters worked out,the paper gives the simulation of whole system in Matlab/Simulink.This paper also introduces the firmware design based on the DSP（TMS320F2812）. The last is the verification of whole system including hardware and software by t)

传统的DSP 控制通常针对的是三相系统,其外设资源不能满足多相逆变器的控制要求,文中 提出一种DSP + FPGA 的控制器解决方案. 特别利用了FPGA 逻辑资源丰富,编程灵活的特点,设 计了译码电路、脉冲发生、串口通信、看门狗保护、硬件状态锁存等功能单元,在有效扩展系统功能 的同时,降低了运算单元的负荷,提高了整体性能. 对设计进行了时序仿真,并将其应用于8 MW逆变器的控制系统中,结果验证了设计方案的功能性与可靠性.(Traditional DSP control is usually targeted at three-phase system, its peripherals resources can not meet the requirements of multi-phase inverter control, the paper presents a DSP+ FPGA controller solutions, especially the use of the FPGA logic resource-rich, flexible programming characteristics, the design of the decoding circuit, pulse, serial communication, watchdog protection, hardware, latches and other functional unit state, the effective expansion of system functions, while reducing the computing unit load, improve the overall performance of the design for timing simulation, and applied to 8 MW inverter control system, the results validate the design' s functionality and reliability.)

ECIES encryption by CRYPTOPP

说明：  运用到DSP的F28335芯片的PWM功能，定时器0中断执行操作，每一秒变换一次占空比(Using the PWM function of F28335 chip of DSP, timer 0 interrupts the operation.Change duty cycle once per second)

基于F28035的EQEP模块用于捕获外部脉冲的程序(The EQEP based F28035 module for capturing external pulse program)