1 /*---------------------------------------------------------------------------*
2 Project: TwlSDK - OS - demos - event-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 //---------------- defines
20 #define STACK_SIZE 1024
21 #define THREAD1_PRIO 20
22 #define COUNT OS_MilliSecondsToTicks( 1000 )
23
24 #define WAKEUP_EVENT 0x00000001
25
26 //---------------- variables
27 OSThread thread1;
28 u64 stack1[STACK_SIZE / sizeof(u64)];
29 OSAlarm alarm;
30 int alarmCount = 0;
31 OSEvent event;
32
33 //---------------- prototypes
34 void alarmCallback(void* arg);
35 void VBlankIntr(void);
36 void proc1(void *arg);
37
38 /*---------------------------------------------------------------------------*
39 Name: NitroMain
40
41 Description: main
42
43 Arguments: None
44
45 Returns: None
46 *---------------------------------------------------------------------------*/
NitroMain(void)47 void NitroMain(void)
48 {
49 OS_Init();
50 OS_InitTick();
51 OS_InitAlarm();
52 OS_InitThread();
53
54 //---- init event
55 OS_InitEvent(&event);
56
57 //---- create thread
58 OS_CreateThread(&thread1,
59 proc1,
60 (void *)0x123,
61 stack1 + STACK_SIZE / sizeof(u64),
62 STACK_SIZE,
63 THREAD1_PRIO);
64 OS_WakeupThreadDirect(&thread1);
65
66 //---- interrupt setting
67 OS_SetIrqFunction(OS_IE_V_BLANK, VBlankIntr);
68 (void)OS_EnableIrqMask(OS_IE_V_BLANK);
69 (void)OS_EnableIrq();
70 (void)GX_VBlankIntr(TRUE);
71
72 OS_Printf("*** start event-1 demo\n");
73
74 //---- alarm
75 OS_SetPeriodicAlarm( &alarm, COUNT, COUNT, alarmCallback, NULL );
76
77 //---- main loop
78 while( alarmCount <= 10 )
79 {
80 static u16 prevButton = 0;
81 u16 button = PAD_Read();
82 u16 trigger = (u16)((button ^ prevButton) & button);
83 prevButton = button;
84
85 SVC_WaitVBlankIntr();
86
87 if ( trigger & PAD_BUTTON_A )
88 {
89 //---- signal event
90 OS_SignalEvent(&event, WAKEUP_EVENT);
91 }
92 }
93
94 OS_Printf("==== Finish sample.\n");
95 OS_Terminate();
96 }
97
98
99 /*---------------------------------------------------------------------------*
100 Name: alarmCallback
101
102 Description: alarm handler
103
104 Arguments: arg :
105
106 Returns: None
107 *---------------------------------------------------------------------------*/
alarmCallback(void * arg)108 void alarmCallback(void* arg)
109 {
110 #pragma unused(arg)
111 OS_Printf( "alarm callback (%d)\n", alarmCount );
112 alarmCount ++;
113
114 //---- signal event
115 OS_SignalEvent(&event, WAKEUP_EVENT);
116 }
117
118 /*---------------------------------------------------------------------------*
119 Name: VBlankIntr
120
121 Description: vblank handler
122
123 Arguments: None
124
125 Returns: None
126 *---------------------------------------------------------------------------*/
VBlankIntr(void)127 void VBlankIntr(void)
128 {
129 OS_SetIrqCheckFlag(OS_IE_V_BLANK);
130 }
131
132 /*---------------------------------------------------------------------------*
133 Name: proc1
134
135 Description: thread1
136
137 Arguments: arg :
138
139 Returns: None
140 *---------------------------------------------------------------------------*/
proc1(void * arg)141 void proc1(void *arg)
142 {
143 #pragma unused( arg )
144 while (1)
145 {
146 //---- wait event
147 (void)OS_WaitEventEx(&event, WAKEUP_EVENT, OS_EVENT_MODE_AND, WAKEUP_EVENT);
148
149 OS_Printf("Thread1\n");
150 }
151 }
152