运行在labview实时环境下，FPGA中的ABZ相光电码盘计数器，4细分，可重置-Labview run in real-time environments, FPGA ABZ phase of the photoelectric encoder counter, four segments, can be reset

FPGA控制4个7段数码管动态显示，可以为FPGA其他实验做校验中间结果使用- FPGA control 4 LED Segment Displays to dynamic display, can be used for FPGA other experiments to do check the results of the middle