e_event.c

凌阳32位单片机开发的小游戏

/******************************************************************************
 *
 *     The information contained herein is the exclusive property of
 *   Sunplus Technology Co. And shall not be distributed, reproduced,
 *   or disclosed in whole in part without prior written permission.
 *
 *         (C) COPYRIGHT 2005   SUNPLUS TECHNOLOGY CO.
 *                        ALL RIGHTS RESERVED
 *
 * The entire notice above must be reproduced on all authorized copies.
 *
 *****************************************************************************/

/******************************************************************************
 *  Filename:   	E_Event.c
 *  Author:     	Robin.xjliu  (eMail: [e-mail])
 *  Tel:        	[phone]
 *  Date:       	2005-11-21
 *  Description:	deal with input device,and translate key
 *  Reference:
 *  Version history:
 *-----------------------------------------------------------------------------
 *	Version   YYYY-MM-DD-INDEX   Modified By         Description
 *	1.0.0     2005-11-21           xjliu               Create
 *
 *****************************************************************************/
#include "Include/E_Event.h"

extern U32	DetectPosition;
#define		Position_X_Ready	bit1
#define		Position_Y_Ready	bit2

EVENT g_stEvent;
#define LDM_EN		0x80000000
#define LDM_IRQEN	0x40000000
#define LDM_MIU2LDM	0x00000000
#define LDM_LDM2MIU	0x20000000
#define LDM_BYTE	0x00000000
#define LDM_HWORD	0x04000000
#define LDM_WORD	0x08000000
#define LDM_BURST	0x0C000000
//U32 DiffBuf[300];
U32 old_yuv,md_frame_int;
/**
 * E_TransJoystick
 */
VIRTUAL_KEY E_TransJoystick(U32 nKeyValue)
{
	#define Translate(a,b) case a: return b;
	
	switch(nKeyValue)
	{
		Translate(KEY_UP, VK_UP);
		Translate(KEY_DOWN, VK_DOWN);
		Translate(KEY_LEFT, VK_LEFT);
		Translate(KEY_RIGHT, VK_RIGHT);
		Translate(KEY_LEFTUP, VK_LEFTUP);
		Translate(KEY_RIGHTUP, VK_RIGHTUP);
		Translate(KEY_LEFTDOWN, VK_LEFTDOWN);
		Translate(KEY_RIGHTDOWN, VK_RIGHTDOWN);

		Translate(KEY_START, VK_START);
		Translate(KEY_MODE, VK_MODE);

		Translate(KEY_A, VK_A);
		Translate(KEY_B, VK_B);
	}
	return VK_MAX_NUM;
}

/**
 *
 */
#ifdef INPUT_SENSOR
#endif	//SENSOR

/**
 *
 */
#ifdef INPUT_TOUCHPANEL
#endif	//TOUCHPANEL


/* U32 CSI_MD_BUFFER[1200] __attribute__ ((section (".ar_MD_LDM")));
U32 CSI_MD_DIFFBUF[1200] __attribute__ ((section (".ar_MD_SDRAM"))) ;
U32 CSI_KEY[7],OLDCSI_KEY[7], diff_key[7];

U32 CSIKey;
U32 CSI_Table[]={
	KEY_LEFT,
	KEY_UP,
	KEY_DOWN,
	KEY_RIGHT,
};

void CheckCSIKey(U32 x, U32 y)
{
	if(x<=12 && x>=0)
	{
//		if(y<=9 && y>=0)
//			CSI_KEY[0]+=1;
//			CSIKey = KEY_LEFTUP;
		if(y<=19 && y>=10)
//			CSIKey = KEY_LEFT;			
			CSI_KEY[0]+=1;	
//		else if(y<=29 && y>=20)
//			CSI_KEY[2]+=1;				
//			CSIKey = KEY_LEFTDOWN;			
	}		
	else if(x<=26 && x>=13)
	{
		if(y<=9 && y>=0)
			CSI_KEY[1]+=1;				
		if(y<=29 && y>=20)
			CSI_KEY[2]+=1;			
//			CSIKey = KEY_UP;
	}
	else if(x<=39 && x>=27)
	{
//		if(y<=9 && y>=0)
//			CSI_KEY[4]+=1;				
//			CSIKey = KEY_RIGHTUP;
		if(y<=19 && y>=10)
			CSI_KEY[3]+=1;				
//			CSIKey = KEY_RIGHT;			
//		else if(y<=29 && y>=20)
//			CSI_KEY[6]+=1;				
//			CSIKey = KEY_RIGHTDOWN;			
	}
}
void GetMotionDetect(void)
{
	U32 i,j,k;
	U32 diff_value;
	U32 max_value, keyindex;
	
	while (md_frame_int == 0);
		md_frame_int = 0;
	// Move DIFF Buffer to LDM
	*P_LDM_MIU_START = (U32)CSI_MD_DIFFBUF;
	*P_LDM_MIU_END = (U32)CSI_MD_DIFFBUF + 1200;
	*P_LDM_START = (U32)CSI_MD_BUFFER;
	*P_LDM_END = (U32)CSI_MD_BUFFER + 1200;
		
	*P_LDM_CTRL = LDM_EN|LDM_MIU2LDM|LDM_BURST;
		
	while (*P_LDM_STATUS == 0);
		*P_LDM_STATUS = 0x80000000;
	*P_LDM_CTRL = 0;
	k=0;
	for(i=0; i<4; i++)
		CSI_KEY[i]=0;
	for(i=0; i<30; i++)
	{
		for(j=0; j<40; j++)
		{
			if ((k&0x3) == 0)
				diff_value = CSI_MD_BUFFER[k/4]&0xF;
			
			if((diff_value & 0x1) != 0)
				CheckCSIKey(j,i);
//				break;
//				return true;
			k++;
			diff_value = (diff_value>>1);			
		}			
	}
 	for(i=0; i<4; i++)
	{
		if(CSI_KEY[i] != OLDCSI_KEY[i])
			diff_key[i] = CSI_KEY[i];
		else
			diff_key[i] = 0;
	}
 	max_value = diff_key[0];
	keyindex = 0;
	for(i=0; i<4; i++)
	{
		if(diff_key[i]>max_value)
		{
			max_value = diff_key[i];
			keyindex = i;
//			CSIKey = CSI_Table[i];
//			break;			
		}			
	}
	CSIKey = CSI_Table[keyindex];
//	return false;
}
 */
extern U32 Location;
extern U8	g_nText3Mode;
/**
 * E_InputService
 */
void E_InputService(EVENT_TYPE msg)
{
	//Check Joystick info in the PPU_Service
	
	//GetMotionDetect();
	
	switch(msg)
	{
	case EV_JOYSTICK:
		if(g_nText3Mode==1)
		{
			GetTouchKeyCode();
   			if(Location == 0)
			{
				GetJoystickKeyCode();
			}				
			g_stEvent.Ev_Type = EV_JOYSTICK;
			g_stEvent.Ev_Key = E_TransJoystick(Location);
			
			if(g_stEvent.Ev_Key == VK_MAX_NUM)		
			{
				g_stEvent.Ev_Key = E_TransJoystick(g_Joystick_KeyCode1);
			}	 	 	 

			Location = 0;			
		}
		else
		{
			GetJoystickKeyCode();
			g_stEvent.Ev_Type = EV_JOYSTICK;
			g_stEvent.Ev_Key = E_TransJoystick(g_Joystick_KeyCode1);
//			GetMotionDetect();
//			g_stEvent.Ev_Key = E_TransJoystick(CSIKey);
//			CSIKey = 0;
		}					
		break;
	}
}