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Sig_SW
- 本程序基于s3c2440的IO口电平状态检测驱动,适用于开关量信号检测电路。程序实现:检测当前IO口状态并通过串口打印。-This procedure applies to the switch signal detection circuit based on the the s3c2440 IO port level of state detection driver,. Program: detection of IO port status and print through the s