Xilix spartan 3E 旋转编码器接口,脉冲方向识别,AB脉冲滤波 Rotary Encoder Interface Demonstrates how to use the rotary encoder portion of the rotary pushbutton switch.-Xilix spartan 3E rotary encoder interface, pulse direction identification, AB pulse filter Ro

旋转编码器的vhdl驱动程序，巧妙的消除按键噪声。-The rotary encoder VHDL driver, clever elimination of key noise.