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3下载：
ucOS-II应用源码：通过对串口编程来控制GPRS扩展板，实现发送固定内容的短信，接打语音电话等通讯模块的基本功能。利用开发平台的键盘和液晶屏实现人机交互。-ucOS-II application source : Serial Programming right to control the GPRS expansion boards, achieve this fixed content of the messages, then fight voice telephone communi
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3下载：
在STM32F103上实现双定时器1S定时，利用RS232串口发送数据，利用中断检测PS2键盘和PC机交换信息并在串口助手上显示-In the STM32F103 dual timer 1 S timing, using RS232 serial send data, using interrupt the PS2 and PC keyboard detection to exchange information and serial port on display in assistant
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0下载：
移植于51单片机上的ucos。SCH51-OS是整个工程项目，能实现键盘，lCD显示，串行通信等试验内容。-Transplanted into 51 single-chip on the ucos. SCH51-OS is the project, to achieve the keyboard, lCD show that tests the contents of the serial communications.
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0下载：
ARM9s3c2410的串口通讯实验，通过上位机与下位机的串口实现键盘按键能在dnw上显示出来。-Serial Communication ARM9s3c2410 experiments, through the host computer and the next crew to achieve the serial keyboard keys can be displayed in dnw.
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2下载：
1.板上的8 个按键分别 代表数字1-8，按下一个按键将结果通过串口发送到PC机上显示；
2.使用两个定时器模块，分别定时为1ms 和100ms 产生中断，使用它们分别
产生1s的定时时间，将时间分别显示到数码管上；
3.外接PS/2小键盘，将按键的值通过串口显示到PC机上。-A panel of eight key representing the number 1-8 press a key the results sent through the serial port on
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