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基于USB的LED灯光控制器的设计与实现 摘 要: 提出了一种在LED灯光控制领域实现同步和回放控制方式的解决方案,并在实际的LED灯光显示屏中得以实现。对其系 Abstract: The solution of synchronous and p layback control mode in LED lighting control area is p roposed; and its p ractical app lication on LED lighting disp lay panel is imp lemented. The p rincip le and hardware and software structure of the system are expounded; the main points in p rogramming of LPC2148 USB module, the function of block storage device SD card in synchronous and p layback control mode, and the soft2 ware imp lementing method of large capacity FIFO buffer structured by CPLD and SRAM are analyzed emphatically. The result of test illustrates that the controller p lays the light scene smoothly under simp le operation, and that it brings a new LED lighting control pattern to us.
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