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Simple ptxdist create program

umi.css解决web前端页面布局的最后一里路。在对web页面排版布局时，经常有琐碎的细节要另外写样式，umi.css样式库将最常用的碎片样式整合起来，并统一了样式命名规则。(Umi.css solves the last mile of Web front-end layout. In the layout of web pages, there are often trivial details to write styles. The umi.css style library integrates the most common fragment styles together, and unifies the style naming rules.)

mega8SPI功能源程序及protues仿真(mega8SPI functional simulation source and protues)

视频解码和视频消除奇偶场，基于freeScale MX27(VIDEO decode and combine odd and even image, based on IMX27)

基于STM32的信号发生器（定时器控制），频率 占空比 峰峰值可调，输出最大频率30k (STM32-based signal generator (timer control), the frequency duty cycle peak and peak adjustable, the maximum output frequency of 30k)

飞思卡尔单片机的etpu功能模块set1 打包好的 直接可以用(The etpu function module of Freescale MCU Set1 Carle pack can be used directly)

使用STM32的RTC时钟做的一个石英时钟，能掉电保存，时间准确，界面美观(The use of STM32 RTC clock to do a quartz clock, can save power, accurate time, beautiful interface)

基于stm32f103的超声波测距程序，利用keil编写(Ultrasonic ranging based on STM32F103)

说明：  STM32F103VET6用LCD画坐标轴(Drawing coordinate axes with LCD in STM32F103VET6)

这stm32f746描述了如何使用DAC外围 产生使用DMA控制器的信号。 在用户按键每按一下，信号已被选中，可监测 DAC通道： • 三角波形（通道1）。 -自动扶梯的波形（1频道）使用DMA传输。(This STM32F746 code provides a description of how to use the DAC peripheral to generate several signals using DMA controller. For each press on User push-button, a signal has been selected and can be monitored on the DAC channel one: - Triangle waveform (Channel 1). - Escalator waveform (Channel 1) using DMA transfer.)