便鞋查询方式识别按键和LCD-1602显示的驱动程序，并实现功能：按下SW2键时在LCD上显示“The Key is: SW2”,按下SW3键时在LCD上显示“The Key is: SW3”,并使用ICD2仿真器进行程序的烧写和仿真调试。-Sandals query mode identification keys and LCD-1602 display drivers, and functions: the SW2 key is pressed on the LCD display " The Key is: SW2" , SW3 key is pressed on the LCD display " The Key is: SW3 and ICD2 emulator procedural programming and simulation debugging.