I write ARM PS2 driver, I use ordinary GPIO simulation PS2 agreement can be dire...

代码说明：

我写的ARM PS2驱动程序，使用普通GPIO口模拟PS2协议，可直接驱动键盘、条码找描枪等设备，并将从键盘、条码扫描枪等输入的信号通过UART口传至PC机-I write ARM PS2 driver, I use ordinary GPIO simulation PS2 agreement can be directly driven keyboard, bar code depiction find guns and other equipment, and from the keyboard, barcode scanning guns and other input signals through UART I conveyed to PC