Warning: Output pins are stuck at VCC or GND Warning (13410): Pin "L" is stuck at GND
比如定义了十个led灯，assign led=value;value 的最大值为15只能亮四个灯
Warning: Output pins are stuck at VCC or GND Warning (13410): Pin "L" is stuck at GND
比如定义了十个led灯，assign led=value;value 的最大值为15只能亮四个灯