keypad.txt

来自「arm体系结构和编程,一份很好的ARM汇编编程资料」· 文本 代码 · 共 13 行

1.dllmain
2.init
 1.Allocate a keypad controller object
 2.power up
 3.KeyPadConfigure
 	 configure GpioReg
 	 Init the control regs
   Enable the Interrupts
 4.IsrThreadStart
3.KeyPadIsrThread begin wait for Interrupt Envent
 1.disable interrupt
 2.read scancode
 3.enable interrupt