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Description: 该代码适用于嵌入式开发，内存映射的驱动程序-The code applies to the development of embedded memory mapping Driver
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Size: 30720 |
Author: 托蒂 |
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Description: 为Linux虚拟内存驱动程序，模拟了内核空间和用户空间之间的数据交流，是学习Linux内存管理的易用源码-Linux virtual memory for the driver to simulate the kernel space and user space data between the exchanges, is to learn Linux the easy-to-use memory management source code
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Size: 4096 |
Author: 杨超 |
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Description: 摘 要: video4 linux提供了一整套linux环境下操纵视频设备的函数接口,首先通过对video4 linux函数的调用成
功实现了两种方式(内存映射(mmap)和直接读取( read) )下摄像头数据的读取 然后对读取到内存缓冲区中的
RGB数据流进行分析,实现了同时对两种特定颜色(红、绿、蓝等)的识别,并给出相应色块的端点坐标 最后通过
对特定颜色箭头的端点分析,识别了箭头指向的角度 为了便于调试程序和验证结果,分析完成后把缓冲区中的
RGB流保存为BMP文件。-Abstract: video4 linux environment to provide a set of linux video equipment under the control of the function interface, the first function of the call video4 linux successfully in two ways (memory mapping (mmap) and direct reading (read)) under the camera data read then read into memory buffer of RGB data flow analysis, achieved at the same time for two specific colors (red, green, blue, etc.) to identify, and give the corresponding color coordinates of the endpoint final arrow on the specific color of the endpoint analysis, identification of the arrow point to the point of view In order to facilitate the debugging process and to verify the results of analysis after the completion of the RGB buffer to save it as a BMP file stream.
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Size: 223232 |
Author: db_tiger |
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