公交车系统基于FPGA芯片的基础上，增加了数码管显示模块、语音自动报站模块、红外通信模块。站牌系统采用以FPGA为核心的主控芯片，增加液晶显示模块、红外通信模块、RS232总线模块、指示灯显示模块等。(The bus system is based on FPGA chip. It adds digital tube display module, voice automatic reporting module and infrared communication module. The bu