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易成 ADisease 1.0 广告发布管理系统具有如下特点： 1、从管理上看，系统内管理的广告分三类：(1)目前在你的网站上正常播放的广告；(2)已满足限制条件(如开始设置的显示数已满，或者最后播放时间已到等)，被系统自动停止播放的失效广告；(3)由于其它原因，虽未失效，但被你人为停止播放的广告。(Yicheng Disease 1.0 advertising management system with the following characteristics: 1, a management point of view, the system management of advertising into three categories: (1) present in the normal play on your website advertising (2) have been met constraints (such as the start to set the number of full display, or the last player the time has come, etc.), by the system automatically stops playback failure advertising (3) due to other reasons, although not fail, but you are artificially stop playing ads.)

操作系统实验-死锁避免算法，word文档，详细，全，可执行，自己写的，希望快点能在贵网站下载。。。(Operating System Experiment- Deadlock avoidance algorithm, word documents, detailed, full, enforceable, wrote it myself, hope quickly in your website. . .)

说明：  1602的显示程序，很简单的那种，可以当入门之用(1602 1602 1602 1602 1602 1602)

改程序实现对16位高精度的数模转换AD420的初始化(Reform program to achieve high accuracy 16-bit initialization DAC AD420)

F28335 用EPWM模块，查表发，生成50Hz 相位差120度的三相SPWM。(F28335 EPWM module, table look-up hair, three-phase SPWM to generate 50Hz phase difference of 120 degrees.)

说明：  采用滑膜观测器在STM32平台实现的无霍尔PMSM的驱动程序(This is a sensorless pmsm driver program under stm32 platform .)

说明：  BC95开发资料，Quectel_BC95_NB-IoT_模块产品规格书，全部代码(BC95 Development Information, Quectel_BC95_NB-IoT_Module Product Specification, All Codes)

控制四相步进电机。。。。。。。。 可使电机正转和反转(Four-phase stepper motor control)

说明：  oled显示屏测试源代码，可显示姓名学号(OLED display test source code, can display name and student number)

MPU 6050 51单片机测试程序，包含串口通讯和1602显示屏显示(MPU 6050 51 SCM test procedures, including serial communications and display 1602)