mini2440的ADC驱动和触摸屏驱动, 包括修改后mini2440的BSP(linux-2.6.39.4). ADC驱动注册为misc device, 挂载再platform bus 触摸屏驱动注册为input device, 挂载再platform bus上, 并根据官方自带的BSP进行修改, 使它隶属于option peature。 测试信息: #/home/readadc adc value: 416 Do you want to read again?n #/home/test_input Type is 1, code is 330, value is 1. ABS_PRESS