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stm32F4_usb读写u盘例程
基于stm32F407zgt6 usb_host_OTG的u盘读写例程,实现的功能有:对插入的u盘目录的读取、向u盘写数据、对任意插入的usb HID 设备描述符,配置描述符,接口描述符,端点描述符等的读取。
- 2022-05-05 01:57:53下载
- 积分:1
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计算机网络第4版(谢希仁著)课后习题答案
计算机网络第4版(谢希仁著)课后习题答案
-computer networks Release 4 (Xie Renchu) OSCAR answer Exercises
- 2023-01-05 03:50:04下载
- 积分:1
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用开发的新版贪吃蛇游戏,支持连网功能,并可由玩家选择主角的外观和食物的外观....
用开发的新版贪吃蛇游戏,支持连网功能,并可由玩家选择主角的外观和食物的外观.-with the development of the new Snake games, support networking function, players can choose from the protagonist"s appearance and the appearance of the food.
- 2023-03-18 14:45:04下载
- 积分:1
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Java中的Canvas绘图源码实例
Java中的Canvas绘图源码实例,主要是画线条、弧线、圆角矩形、三角形、文字、圆形等简单的几何图形,主要是通过创建DrawingCanvas对象canvas,为canvas设置命令监听者,实现接口CommandListener的方法,把缓冲区图像的内容绘制到画布上,画图部分代码:
int w = getWidth(); // 画布的宽度
int h = getHeight(); // 画布的高度
Image buffer = Image.createImage(w, h); // 用于绘图的缓冲图像
Graphics gc = buffer.getGraphics(); // 获取缓冲图像的图形环境
// 清除画布
public void clearScreen() {
gc.setColor(255,255,255); // 设置绘图颜色为白色
gc.fillRect(0,0,w,h); // 把缓冲图像填充为白色
gc.setColor(255,0,0); // 设置绘图颜色为红色
}
// 绘制直线
public void drawLine() {
setTitle("直线"); // 设置画布的标题
clearScreen(); // 清除画布
gc.drawLine(10,10,w-20,h-20); // 绘制黑色直线
gc.setColor(0,0,255); // 设置绘图颜色为蓝色
gc.drawLine(10,h/2,w-10,h/2); // 绘制蓝色直线
}
// 绘制弧
public void drawArc() {
setTitle("弧线和填充弧");
clearScreen();
gc.drawArc(5,5,w/2-20,h/2-20,60,216); // 绘制弧线
gc.drawArc(5,h/2-10,w/2-20,h/2-20,0,360); // 绘制圆
gc.setColor(0,0,255);
gc.fillArc(w/2,5,w/2-20,h/2-20,60,216); // 绘制填充弧线
gc
- 2023-04-11 05:50:03下载
- 积分:1
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kullan和# 305局域网巴兹和# 305 MATLAB bilgileri
Kullanı lan bazı matlab bilgileri
Matlabda kodlar mfile lara yazı lı p kaydedilebilir. Ü st menüden, file, new, mfile. Command windowa yazdı kları nı zı kaydedemezsiniz. Yazdı ğ ı nı z kodu ç alı ş tı rabilmeniz iç in ç alı ş tı ğ ı nı z current directory nin altı na kaydetmelisiniz. Current directory i dosyanı n bulunduğ u yere de gö türebilirsiniz
-Kullanı lan bazı matlab bilgileri
Matlabda kodlar mfile lara yazı lı p kaydedilebilir. Ü st menüden, file, new, mfile. Command windowa yazdı kları nı zı kaydedemezsiniz. Yazdı ğ ı nı z kodu ç alı ş tı rabilmeniz iç in ç alı ş tı ğ ı nı z current directory nin altı na kaydetmelisiniz. Current directory i dosyanı n bulunduğ u yere de gö türebilirsiniz
- 2022-08-23 15:58:15下载
- 积分:1
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此系统用EXEL开发,摘要如下,对于血液供需模型,我们对某地区进行了系统模拟,为了使医疗中心花费最少,我们首先对三种情况进行分析,就是不举办活动,每30,60天...
此系统用EXEL开发,摘要如下,对于血液供需模型,我们对某地区进行了系统模拟,为了使医疗中心花费最少,我们首先对三种情况进行分析,就是不举办活动,每30,60天举办活动,得出结果,每30天举办一次活动,费用最少。最后,我们对模型评价与推广,还有个人的心得体会。-system used EXEL development, summarized below, the blood supply model, we have certain areas of the system simulation, in order to spend at least a medical center, we first of the three, is not organizing activities, held every 415.70 days, the outcome of each 30 days of an event, at least cost. Finally, we model for evaluation and promotion, there are personal experiences.
- 2022-04-26 09:28:41下载
- 积分:1
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inventory management for shops
inventory management for shops
- 2022-12-12 23:55:03下载
- 积分:1
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Android GetPost数据提交实例
Android GetPost数据提交实例,发送post必须设置 conn.setDoInput(true);conn.setDoOutput(true);这两行代码,从用户界面提交过来的数据上传到服务器接收,类似于WEB网页提交表单的操作,不过Android有自己独特的地方,这个源码,您可以参考对比一下。
- 2022-05-14 19:29:20下载
- 积分:1
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锁相环的 systemview 实现,主要是还有FM的应用哦
锁相环的 systemview 实现,主要是还有FM的应用哦-PLL is implemented by system view, FM is an example.
- 2022-09-03 13:15:02下载
- 积分:1
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很经典的100个C源程序,很值得一看. 我刚好发现了.
很经典的100个C源程序,很值得一看. 我刚好发现了.-classic of 100 C source, it is worth looking at. I just discovered.
- 2022-02-04 18:29:12下载
- 积分:1