File list (Check if you may need any files):
4.GPIO输入实验-按键输入检测
.............................\GPIO_KeyIn
.............................\..........\GPIO_KeyIn.mcp
.............................\..........\src
.............................\..........\...\config.h
.............................\..........\...\IRQ.s
.............................\..........\...\LPC2294.h
.............................\..........\...\main.c
.............................\..........\...\mem_a.scf
.............................\..........\...\mem_b.scf
.............................\..........\...\mem_c.scf
.............................\..........\...\Startup.s
.............................\..........\...\target.c
.............................\..........\...\target.h