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嵌入式Linux 其中sound.c 用于录音和回放。其中特别需要注意的是:1。目前声卡似乎不能打开全双工

其中sound.c 用于录音和回放。其中特别需要注意的是:1。目前声卡似乎不能打开全双工，所以如果fd = open("/dev/dsp", O_RDWR) ，则无法录音和回放。只能分别设置RDONLY和WRONLY。即半双工方式。否则，就是在录音的时候可以听见，但是无法回放。分析下来似乎是IIC总线中只分配了一个通道给声卡，或者是只启用了一个通道，所 ...
https://www.eeworm.com/dl/653/227097.html
下载: 67
查看: 1125

加密解密 What Does the code DO? Sometimes we may desire to hide our file contents from others.One of the poss

What Does the code DO? Sometimes we may desire to hide our file contents from others.One of the possible way is encrypting these files.Here a simple encryption technique is used(In VB - The same technique can be implemented in "c" also.) Program flow Explained * Open the File to be encrypted for Bin ...
https://www.eeworm.com/dl/519/229032.html
下载: 65
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Symbian This C/C++ code example demonstrates porting standard C software to the S60 platform. In this exam

This C/C++ code example demonstrates porting standard C software to the S60 platform. In this example, an open source FTP library (ftplib and qftp) written in C has been ported to Open C. In addition, a simple UI has been written in Symbian C++ to provide a GUI application.
https://www.eeworm.com/dl/675/229156.html
下载: 91
查看: 1093

其他书籍 mmsv1.2 文档

mmsv1.2 文档，可以在open mobile alliance free download
https://www.eeworm.com/dl/542/235468.html
下载: 193
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加密解密 MD5加密算法java代码

MD5加密算法java代码，欢迎下载,欢迎open
https://www.eeworm.com/dl/519/237010.html
下载: 49
查看: 1052

其他 对于单个控件,COMPONET-->INSTALL COMPONENT..-->PAS或DCU文件-->INSTALL。 2.对于带*.DPK文件的控件包,FILE-->OP

对于单个控件,COMPONET-->INSTALL COMPONENT..-->PAS或DCU文件-->INSTALL。 2.对于带*.DPK文件的控件包,FILE-->OPEN(下拉列表框中选*.DPK)-->INSTALL即可。 3.对于带*.BPL文件的控件包,INSTALL PACKAGES-->ADD-->BPL文件名即可。 4.如果以上INSTALL按钮为失效的话,试试COMPILE按钮。 5.是RUN TIME LIB则在OPTION下的PACKAGE ...
https://www.eeworm.com/dl/534/237899.html
下载: 160
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其他 学会对文件的记录锁定

学会对文件的记录锁定，及解锁。#include <stdio.h> #include <unistd.h> #include <fcntl.h> int main() { int fd int i struct { char name[20] uint ID int age } myrec fd =open("name", O_RDWR|O_CREAT, 0755) if (fd == -1) return -1 printf("Input your name:") scanf("％s", myrec.name) ...
https://www.eeworm.com/dl/534/242419.html
下载: 95
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嵌入式Linux Linux 2.4.18 s3c2440 led driver 使用dev-C++撰寫

Linux 2.4.18 s3c2440 led driver 使用dev-C++撰寫，需要linux 2.4.18 kernel include，編譯完成後產生led module。 insmod main.o //安裝模組 mknod /dev/leds c 221 0 使用方法： int main(int argc, char *argv[]) { int testdev //led test... testdev = open("/dev/QuickMarkLed",O_RDWR) ioctl(testdev, 2 ...
https://www.eeworm.com/dl/653/246851.html
下载: 93
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压缩解压 The Tremor Vorbis I stream and file decoder provides an embeddable, integer-only library [libvorbisi

The Tremor Vorbis I stream and file decoder provides an embeddable, integer-only library [libvorbisidec] intended for decoding all current and future Vorbis I compliant streams. The Tremor libvorbisidec library exposes an API intended to be as similar as possible to the familiar vorbisfile library i ...
https://www.eeworm.com/dl/617/249090.html
下载: 87
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压缩解压 The Tremor Vorbis I stream and file decoder provides an embeddable, integer-only library [libvorbisi

The Tremor Vorbis I stream and file decoder provides an embeddable, integer-only library [libvorbisidec] intended for decoding all current and future Vorbis I compliant streams. The Tremor libvorbisidec library exposes an API intended to be as similar as possible to the familiar vorbisfile library i ...
https://www.eeworm.com/dl/617/249094.html
下载: 81
查看: 1043