mini_system.c

SPG290 上SD卡读取写入程序源代码

/******************************************************************************
 *
 *     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:   	Mini_System.c
 *  Author:     	Robin.xjliu  (eMail: [e-mail])
 *  Tel:        	[phone]
 *  Date:       	2005-11-11
 *  Description:	initialize a mini system, that is to say it's a basic system.
 *  Reference:
 *  Version history:
 *-----------------------------------------------------------------------------
 *	Version   YYYY-MM-DD-INDEX   Modified By         Description
 *	1.0.0     2005-11-11           xjliu               Create
 *
 *****************************************************************************/
#include "Include/Mini_System.h"
#include "Include/MIU_Control.h"
#include "Include/PPU_Control.h"
#include "Include/GPIO_Joystick.h"
#include "Include/Tve_Control.h"

/**
 * InitSystem - initialize all basic function
 */
void InitSystem(void)
{
	//initialize MIU1 & MIU2
	MIU1_Init();
	//MIU2_Init();

	//clear all register
	ClearAllSetting();
	
	//initialize joystick
	InitJoystick();
	
	//load data
	//Sys_Load_SDCard(&testLoadInfo, ASZ(testLoadInfo));
	
	//initial TV
	//InitTV();//must use Fade_In
		
	//initial PPU
	InitPPU();
	
	*P_VBLK_TIME 	= 0x5a;
	*P_IRQ_CONTROL 	= 0x00000001;
}

/**
 * ClearAllSetting - clear all register setting
 */
void ClearAllSetting(void)
{
	U32 i;
	
	//clear Texture register
	ClearTextRegister();

	//clear Sprite register
	for	( i = 0 ; i < 512*2 ; i++ )
		*(P_PPU_Sprite + i )= 0;

	//clear movement
	for(i=0; i<512; i++)
		*(P_PPU_Tx_HOffset_ADR+i) = 0x00;

	//clear compress
	for(i=0; i<512; i++)
		*(P_PPU_Tx1_HCmp_ADR+i) = 0x100;

	// Enable PPU to TV Hardware Buffer Control
	*P_PTR_SETTING 	= PPU_P2L_HW4|TVE_P2T_HW4;
	*P_P2T_SETTING 	= PPU_P2T_EN;		// PPU2TVE Enable,   $8809003C = 0x00000001
	*P_HW4_SETTING	= 0x01;

	// Setup PPU Output Frame Buffer Start Address
	*P_PPU_FB_START_ADR1  	= 0xa0d00000;
	*P_PPU_FB_START_ADR2  	= 0xa0e00000;
	*P_PPU_FB_START_ADR3  	= 0xa0f00000;
}