<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[mingcz的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/mingcz</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; mingcz]]></copyright><item><title><![CDATA[IO端口与IO内存]]></title><link>https://blog.youkuaiyun.com/mingcz/article/details/36653481</link><guid>https://blog.youkuaiyun.com/mingcz/article/details/36653481</guid><author>mingcz</author><pubDate>Thu, 03 Jul 2014 14:06:30 +0800</pubDate><description><![CDATA[原文：

从CPU连出来一把线：数据总线、地址总线、控制总线，这把线上挂着N个接口，有相同的，有不同的，名字叫做存储器接口、中断控制接口、DMA接口、并行接口、串行接口、AD接口……一个设备要想接入，就用自己的接口和总线上的某个匹配接口对接……于是总线上出现了各种设备：内存、硬盘，鼠标、键盘，显示器……
对于CPU而言，如果它要发数据到某个设备，其实是发到对应的接口，接口电路里有多个寄存器（]]></description><category></category></item><item><title><![CDATA[SoCKit 学习资料汇总]]></title><link>https://blog.youkuaiyun.com/mingcz/article/details/22984507</link><guid>https://blog.youkuaiyun.com/mingcz/article/details/22984507</guid><author>mingcz</author><pubDate>Wed, 18 Jun 2014 02:14:28 +0800</pubDate><description><![CDATA[#中断
http://www.alteraforum.com/forum/archive/index.php/t-41622.html]]></description><category></category></item><item><title><![CDATA[FFT]]></title><link>https://blog.youkuaiyun.com/mingcz/article/details/24385971</link><guid>https://blog.youkuaiyun.com/mingcz/article/details/24385971</guid><author>mingcz</author><pubDate>Wed, 18 Jun 2014 02:12:55 +0800</pubDate><description><![CDATA[Projects - Fast Fourier Transform for ARM


http://www.lartmaker.nl/projects/fft-arm/]]></description><category></category></item><item><title><![CDATA[Sockit 开发记录]]></title><link>https://blog.youkuaiyun.com/mingcz/article/details/24566085</link><guid>https://blog.youkuaiyun.com/mingcz/article/details/24566085</guid><author>mingcz</author><pubDate>Wed, 18 Jun 2014 02:11:56 +0800</pubDate><description><![CDATA[编译设备树
复制sockit_ghrd/中的hps_clock_info.xml]]></description><category></category></item><item><title><![CDATA[Centos 运行VMware Station 10.0.1死机问题]]></title><link>https://blog.youkuaiyun.com/mingcz/article/details/22578425</link><guid>https://blog.youkuaiyun.com/mingcz/article/details/22578425</guid><author>mingcz</author><pubDate>Sun, 30 Mar 2014 11:44:14 +0800</pubDate><description><![CDATA[在Centos 系统上安装VMware sattion ，更新Centos后，每次启动VMware上虚拟机到打开VMware Tools的阶段，Centos便花屏死机，不久自动重启。
解决办法如下：
点击打开链接


# service vmware-workstation-server stop
# service vmware stop
# mv -v /usr/lib/vmware]]></description><category></category></item><item><title><![CDATA[Fedora VMware Workstation Kernel headers install]]></title><link>https://blog.youkuaiyun.com/mingcz/article/details/21679823</link><guid>https://blog.youkuaiyun.com/mingcz/article/details/21679823</guid><author>mingcz</author><pubDate>Fri, 21 Mar 2014 05:02:55 +0800</pubDate><description><![CDATA[Fedora 更新后，VMware启动会提示编译内核模块：




安装kernel-devel：

yum install kernel
重新启动VMware：



编译出错：


定位到 /tmp/vmware-root/vmware-modconfig-29126.log
# Error message is something like:
# 3.3-20]]></description><category></category></item><item><title><![CDATA[fwrite写入文件大小错误的问题]]></title><link>https://blog.youkuaiyun.com/mingcz/article/details/20847847</link><guid>https://blog.youkuaiyun.com/mingcz/article/details/20847847</guid><author>mingcz</author><pubDate>Sun, 09 Mar 2014 16:20:00 +0800</pubDate><description><![CDATA[最近使用fwrite将缓冲区的内容写入文件，发现写入的字节数与预期的不一致，后来发现是打开文件时fopen使用的mode是“w”，改为“wb”问题解决。
查看BCB的帮助文档发现:
The mode string used in calls to fopen is one of the following values: 





Value
Description]]></description><category></category></item><item><title><![CDATA[recvfrom设置超时]]></title><link>https://blog.youkuaiyun.com/mingcz/article/details/20814263</link><guid>https://blog.youkuaiyun.com/mingcz/article/details/20814263</guid><author>mingcz</author><pubDate>Sun, 09 Mar 2014 01:54:14 +0800</pubDate><description><![CDATA[struct timeval tv;
int ret;
tv.tv_sec = 10;
tv.tv_usec = 0;
if (setsockopt(s, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv)) < 0) {
	printf("socket option  SO_RCVTIMEO not support\n");
	return;
}
if ((ret ]]></description><category></category></item><item><title><![CDATA[new 二维数组]]></title><link>https://blog.youkuaiyun.com/mingcz/article/details/19300881</link><guid>https://blog.youkuaiyun.com/mingcz/article/details/19300881</guid><author>mingcz</author><pubDate>Sun, 16 Feb 2014 22:13:48 +0800</pubDate><description><![CDATA[定义二维数组char array[x][y]; 


1.只定义个一维的就可以了 
char *array; 
array = new char[x*y]; 
访问的时候*(array+i*y+j)表示array[i][j] 


2.定义一个二维数组 
char **array1 
array1 = new char *[x]; 
for(i=0;i
array1[i]]]></description><category></category></item><item><title><![CDATA[BCB使用TImage做探地雷达图形动态显示]]></title><link>https://blog.youkuaiyun.com/mingcz/article/details/19290635</link><guid>https://blog.youkuaiyun.com/mingcz/article/details/19290635</guid><author>mingcz</author><pubDate>Sun, 16 Feb 2014 17:52:13 +0800</pubDate><description><![CDATA[我所需要的动态显示不是摄像头或视频的图像显示，而是类似于任务管理器CUP、内存使用率的动态显示，在显示界面动态绘制彩图、二维/三维坐标图，以前使用过TeeChart用来数学作图，但显然不适合用在现在所作的探地雷达图形显示。
探地雷达图像显示的基本要求：
1. 探地雷达原始数据得到的灰度图、光谱图，随接收数据包从右至左移动
2. 显示当前采集波形
3. 有固定的时间距离坐标尺
4. 图形生]]></description><category></category></item><item><title><![CDATA[DZT header structure]]></title><link>https://blog.youkuaiyun.com/mingcz/article/details/18766573</link><guid>https://blog.youkuaiyun.com/mingcz/article/details/18766573</guid><author>mingcz</author><pubDate>Sat, 25 Jan 2014 13:19:51 +0800</pubDate><description><![CDATA[http://pubs.usgs.gov/of/2002/ofr-02-0166/source/GPR_IO.H点击打开链接]]></description><category></category></item><item><title><![CDATA[简单的socket UDP Client Server通信]]></title><link>https://blog.youkuaiyun.com/mingcz/article/details/18766373</link><guid>https://blog.youkuaiyun.com/mingcz/article/details/18766373</guid><author>mingcz</author><pubDate>Sat, 25 Jan 2014 13:03:07 +0800</pubDate><description><![CDATA[头文件：
#include 
#include 
#pragma comment(lib,"ws2_32.lib")



Server ：
{
WSADATA  wsadata;
if(WSAStartup(0x101,&wsadata) != 0)
this->Terminate();


SOCKET socket1;
struct sockaddr_in lo]]></description><category></category></item></channel></rss>