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78993181c6
ライブラリ及びサンプルを追加・更新。 git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/twl_wrapsdk/trunk@241 4ee2a332-4b2b-5046-8439-1ba90f034370
109 lines
3.2 KiB
C
109 lines
3.2 KiB
C
/*---------------------------------------------------------------------------*
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Project: TwlSDK - SND - tests - channel
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File: main.c
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Copyright 2007 Nintendo. All rights reserved.
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These coded instructions, statements, and computer programs contain
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proprietary information of Nintendo of America Inc. and/or Nintendo
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Company Ltd., and are protected by Federal copyright law. They may
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not be disclosed to third parties or copied or duplicated in any form,
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in whole or in part, without the prior written consent of Nintendo.
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$Log: main.c,v $
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$NoKeywords: $
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*---------------------------------------------------------------------------*/
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#include <twl.h>
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#include <nitro/spi/ARM9/tp.h>
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void VBlankIntr(void);
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void DrawPos(int x, int y);
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/*---------------------------------------------------------------------------*
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Name: TwlMain
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Description: main
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Arguments: None
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Returns: None
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*---------------------------------------------------------------------------*/
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void TwlMain()
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{
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TPData raw_point;
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// 初期化
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OS_Init();
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GX_Init();
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TP_Init();
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// Vブランク割り込み設定
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OS_SetIrqFunction(OS_IE_V_BLANK, VBlankIntr);
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(void)OS_EnableIrqMask(OS_IE_V_BLANK);
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(void)OS_EnableIrq();
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(void)GX_VBlankIntr(TRUE);
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// Send parameter of revision noise.
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if (TP_RequestSetStability(3, 15) != 0)
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{
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OS_Panic("SetStability request err!\n");
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}
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GX_DispOff();
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GXS_DispOff();
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//---------------------------------------------------------------------------
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// All VRAM banks to LCDC
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//---------------------------------------------------------------------------
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GX_SetBankForLCDC(GX_VRAM_LCDC_ALL);
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//---------------------------------------------------------------------------
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// Clear all LCDC space
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//---------------------------------------------------------------------------
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MI_CpuClearFast((void *)HW_LCDC_VRAM, HW_LCDC_VRAM_SIZE);
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//---------------------------------------------------------------------------
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// Set graphics mode VRAM display mode
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//---------------------------------------------------------------------------
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GX_SetGraphicsMode(GX_DISPMODE_VRAM_A, // display VRAM-A
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(GXBGMode)0, // dummy
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(GXBG0As)0); // dummy
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GX_DispOn();
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GXS_DispOn();
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while (1)
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{
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OS_WaitVBlankIntr();
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if (TP_RequestRawSampling(&raw_point) == 0)
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{
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DrawPos(raw_point.x, raw_point.y);
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}
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}
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}
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//--------------------------------------------------------------------------------
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// Ｖブランク割り込み処理
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//
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void VBlankIntr(void)
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{
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OS_SetIrqCheckFlag(OS_IE_V_BLANK); // checking VBlank interrupt
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}
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//--------------------------------------------------------------------------------
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// 画面座標描画
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//
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void DrawPos(int x, int y)
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{
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const int screen_width = 256;
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const int screen_height = 191;
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const int axis_max = 4096;
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int adjust_x = x * screen_width / axis_max;
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int adjust_y = y * screen_height / axis_max;
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int address = HW_LCDC_VRAM + screen_width*2*adjust_y + 2*adjust_x;
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*(u16 *)(address) = 0x7fff;
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}
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