这是一个基于FPGA的数码管点亮程序，从0到F循环点亮。-This is a based on FPGA digital tube light program, from 0 to F light cycle.

基于FPGA_cycloneIV代FPGA的简单程序，含管脚配置文件。实现了IO的控制。可以点亮一个LED灯。-Based on a simple program FPGA_cycloneIV behalf of the FPGA, including pin configuration files. Realized IO control. You can light up a LED lamp.

点亮led，通过vhdl代码来使fpga外设led闪烁发光(Light up LEDdsakldsjkdhjksadhkjsadskdalksd)