1 /*---------------------------------------------------------------------------*
2 Project: TwlSDK - OS - demos - simple-1
3 File: main.c
4
5 Copyright 2007-2008 Nintendo. All rights reserved.
6
7 These coded instructions, statements, and computer programs contain
8 proprietary information of Nintendo of America Inc. and/or Nintendo
9 Company Ltd., and are protected by Federal copyright law. They may
10 not be disclosed to third parties or copied or duplicated in any form,
11 in whole or in part, without the prior written consent of Nintendo.
12
13 $Date:: 2008-12-08#$
14 $Rev: 9555 $
15 $Author: kitase_hirotake $
16 *---------------------------------------------------------------------------*/
17 #include <nitro.h>
18
19 #define COUNT OS_MilliSecondsToTicks( 1000 )
20
21 OSAlarm alarm;
22 int alarmCount = 0;
23
24 void alarmCallback(void* arg);
25 void VBlankIntr(void);
26
27
28 /*---------------------------------------------------------------------------*
29 Name: NitroMain
30
31 Description: main
32
33 Arguments: None
34
35 Returns: None
36 *---------------------------------------------------------------------------*/
NitroMain(void)37 void NitroMain(void)
38 {
39 OS_Init();
40 OS_InitTick();
41 OS_InitAlarm();
42
43 //---- interrupt setting
44 OS_SetIrqFunction(OS_IE_V_BLANK, VBlankIntr);
45 (void)OS_EnableIrqMask(OS_IE_V_BLANK);
46 (void)OS_EnableIrq();
47 (void)GX_VBlankIntr(TRUE);
48
49 OS_Printf("*** start simple-1 demo\n");
50
51 OS_SetPeriodicAlarm( &alarm, COUNT, COUNT, alarmCallback, NULL );
52
53 while( alarmCount <= 10 )
54 {
55 static u16 prevButton = 0;
56 u16 button = PAD_Read();
57 u16 trigger = (u16)((button ^ prevButton) & button);
58 prevButton = button;
59
60 SVC_WaitVBlankIntr();
61
62 if ( trigger & PAD_BUTTON_A )
63 {
64 OS_Printf("pushed A.\n");
65 }
66 }
67
68 OS_Printf("***End of demo\n");
69 OS_Terminate();
70 }
71
72
73 /*---------------------------------------------------------------------------*
74 Name: alarmCallback
75
76 Description: main
77
78 Arguments: None
79
80 Returns: None
81 *---------------------------------------------------------------------------*/
alarmCallback(void * arg)82 void alarmCallback(void* arg)
83 {
84 #pragma unused(arg)
85 OS_Printf( "alarm callback (%d)\n", alarmCount );
86 alarmCount ++;
87 }
88
89 /*---------------------------------------------------------------------------*
90 Name: VBlankIntr
91
92 Description: main
93
94 Arguments: None
95
96 Returns: None
97 *---------------------------------------------------------------------------*/
VBlankIntr(void)98 void VBlankIntr(void)
99 {
100 OS_SetIrqCheckFlag(OS_IE_V_BLANK);
101 }
102
103