keypad.h

ARM9下的键盘驱动源程序

#ifndef _KEYPAD_H_
#define _KEYPAD_H_

#define IOCTL_KEYPAD_INIT			1
#define IOCTL_I2C_WRITE			2
#define IOCTL_I2C_READ			3
#define IOCTL_SUBSAMPLE			4
#define IOCTL_SET_GAIN			5
#define IOCTL_SET_VF_WIDTH		6
#define IOCTL_SET_INT_TIME		7
#define IOCTL_DMA_CAPTURE		8
//#define IOCTL_RESET_ASSERT            11
//#define IOCTL_RESET_RELEASE   12
#define IOCTL_STOP_CAPTURE		13
#define IOCTL_INC_FRM			20	// increment frame rate meter
#define IOCTL_MOD_SATURATION	21


#endif