drv_tp.h

The combined demo is dedicated for S1C33L05, so DMT33L05 should be used to load and run the demo. F

/************************************************************************
 *																		*
 *	Copyright (C) SHANGHAI EPSON CORP. 2001								*
 *																		*
 *	File name: drv_tp.h													*
 *	  This is touch panel header file.									*
 *																		*
 *	Revision history													*
 *		2001.05.18	Stella.Yuan		Start.								*
 *		2004.05.27	David.Ji		Modulize							*
 *																		*
 ************************************************************************/
#ifndef _TP_H_
#define _TP_H_

/*------------------------------------------------------*/
/*	Macro define										*/
/*------------------------------------------------------*/
#define TP_STATUS_PENUP			(0x0)
#define TP_STATUS_PENDOWN		(0x1)

#define	TP_STAGE_INIT			(0x1)
#define	TP_STAGE_SAMPL			(0x2)

#define	TP_SAMPLE_TIMES			(0x8)

#define	SCREEN_MARGIN			(10)
#define	SCREEN_WIDTH			(320)
#define	SCREEN_HEIGHT			(240)

/* adjust position range define */
#define	TP_RNG1_XL			890
#define	TP_RNG1_XH			930
#define	TP_RNG1_YL			860
#define	TP_RNG1_YH			930

#define	TP_RNG2_XL			200
#define	TP_RNG2_XH			250
#define	TP_RNG2_YL			180
#define	TP_RNG2_YH			250


//Registers
#define REG_TM16_3_PSC			0x0004014a	// 16bit Timer 3, Prescaler
#define REG_TM16_3_CTL			0x0004819e	// 16bit Timer 3
#define REG_TM16_3_CMPA			0x00048198
#define REG_TM16_3_CMPB			0x0004819a

#define REG_TM16_3_IMASK 		0x00040273	// Upper 4-bits
#define REG_TM16_3_IFLAG 		0x00040283	// Upper 4-bits
#define REG_TM16_3_ILEVL		0x00040267	// Upper 4-bits

/* code macro define */
#define	TP_M_RUNTM			(*(volatile unsigned char *)REG_TM16_3_CTL |= 0x01)
#define	TP_M_STOPTM			(*(volatile unsigned char *)REG_TM16_3_CTL &= 0xfe)
#define	TP_M_STOPADC		(*(volatile unsigned char*)0x40244=0x0)

#define TP_M_EN_TMINT		*(volatile unsigned char*)REG_TM16_3_IMASK |= 0x40
#define	TP_M_DS_TMINT		*(volatile unsigned char*)REG_TM16_3_IMASK &= 0xbf
#define	TP_M_CL_TMINT		*(volatile unsigned char*)REG_TM16_3_IFLAG |= 0x40


/*------------------------------------------------------*/
/*	Structure define									*/
/*------------------------------------------------------*/
typedef enum{
	TPCTL_INITAL,
	TPCTL_SCANX,
	TPCTL_SCANY,
} T_TPCtlP;

typedef struct{
	unsigned short usX;
	unsigned short usY;
} T_POINT;

typedef struct{
	unsigned char	ucStage;		// stage
	unsigned char 	ucStatus;		// status
	unsigned short	usADC_X;		// average x value
	unsigned short	usADC_Y;		// average y value
	unsigned short	usLOG_X;		// logical x value
	unsigned short	usLOG_Y;		// ~ y value

	float			fStep_X;		// step x value
	float			fStep_Y;		// step y value
	T_POINT			stPoint_UL;		// Upper & Left point
	T_POINT			stPoint_BR;		// Bottom & right point
} T_TPCtlDev;

/*------------------------------------------------------*/
/*	Function prototype									*/
/*------------------------------------------------------*/
void 	fnTP_InitHL(void);
void 	fnTP_InitAL(void);
void 	fnTP_EnTP(void);
void 	fnTP_CtlP(T_TPCtlP);
void 	fnTP_GetLogPos(unsigned short*, unsigned short*);
unsigned char fnTP_CalAvg(unsigned short*, unsigned short*);
unsigned char fnTP_ChkRng (unsigned short,unsigned short,\
						unsigned short,unsigned short, unsigned short,unsigned short);

/* static function */
static void fnTPHL_InitP(void);
static void fnTPHL_InitK(void);
static void fnTPHL_InitADC(void);
static void fnTPHL_InitTM(void);
static void fnTPAL_MapPos(T_TPCtlDev*);


/* interrupt function */
void 	Int_TP_TM(void)	__attribute__ ((interrupt_handler));
void 	Int_TP_K(void)		__attribute__ ((interrupt_handler));
void	Int_TP_ADC(void);	// use ent_int, no neeed __attribute__

#endif// _TP_ 

/*------------ End of this file -----------------------*/