diff options
Diffstat (limited to 'apps/plugins/sdl/src/timer/symbian/SDL_systimer.cpp')
-rw-r--r-- | apps/plugins/sdl/src/timer/symbian/SDL_systimer.cpp | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/apps/plugins/sdl/src/timer/symbian/SDL_systimer.cpp b/apps/plugins/sdl/src/timer/symbian/SDL_systimer.cpp new file mode 100644 index 0000000000..a5bb749cac --- /dev/null +++ b/apps/plugins/sdl/src/timer/symbian/SDL_systimer.cpp | |||
@@ -0,0 +1,114 @@ | |||
1 | /* | ||
2 | SDL - Simple DirectMedia Layer | ||
3 | Copyright (C) 1997-2012 Sam Lantinga | ||
4 | |||
5 | This library is free software; you can redistribute it and/or | ||
6 | modify it under the terms of the GNU Library General Public | ||
7 | License as published by the Free Software Foundation; either | ||
8 | version 2 of the License, or (at your option) any later version. | ||
9 | |||
10 | This library is distributed in the hope that it will be useful, | ||
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | Library General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Library General Public | ||
16 | License along with this library; if not, write to the Free | ||
17 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
18 | |||
19 | Sam Lantinga | ||
20 | slouken@devolution.com | ||
21 | */ | ||
22 | |||
23 | /* | ||
24 | SDL_systimer.cpp | ||
25 | |||
26 | Epoc version by Hannu Viitala (hannu.j.viitala@mbnet.fi) | ||
27 | Markus Mertama | ||
28 | */ | ||
29 | |||
30 | #include <e32std.h> | ||
31 | #include <e32hal.h> | ||
32 | |||
33 | extern "C" { | ||
34 | #include "SDL_error.h" | ||
35 | #include "SDL_thread.h" | ||
36 | #include "SDL_timer.h" | ||
37 | #include "SDL_timer_c.h" | ||
38 | |||
39 | static TUint start = 0; | ||
40 | static TInt tickPeriodMilliSeconds; | ||
41 | |||
42 | |||
43 | void SDL_StartTicks(void) | ||
44 | { | ||
45 | /* Set first ticks value */ | ||
46 | start = User::TickCount(); | ||
47 | |||
48 | TTimeIntervalMicroSeconds32 period; | ||
49 | TInt tmp = UserHal::TickPeriod(period); | ||
50 | tickPeriodMilliSeconds = period.Int() / 1000; | ||
51 | } | ||
52 | |||
53 | Uint32 SDL_GetTicks(void) | ||
54 | { | ||
55 | TUint deltaTics = User::TickCount() - start; | ||
56 | return(deltaTics * tickPeriodMilliSeconds); | ||
57 | } | ||
58 | |||
59 | void SDL_Delay(Uint32 ms) | ||
60 | { | ||
61 | User::After(TTimeIntervalMicroSeconds32(ms*1000)); | ||
62 | } | ||
63 | |||
64 | /* Data to handle a single periodic alarm */ | ||
65 | static int timer_alive = 0; | ||
66 | static SDL_Thread *timer = NULL; | ||
67 | |||
68 | static int RunTimer(void *unused) | ||
69 | { | ||
70 | while ( timer_alive ) | ||
71 | { | ||
72 | if (SDL_timer_running) | ||
73 | { | ||
74 | SDL_ThreadedTimerCheck(); | ||
75 | } | ||
76 | SDL_Delay(10); | ||
77 | } | ||
78 | return(0); | ||
79 | } | ||
80 | |||
81 | /* This is only called if the event thread is not running */ | ||
82 | int SDL_SYS_TimerInit(void) | ||
83 | { | ||
84 | if(timer != NULL) | ||
85 | return (-1); | ||
86 | timer_alive = 1; | ||
87 | timer = SDL_CreateThread(RunTimer, NULL); | ||
88 | if ( timer == NULL ) | ||
89 | return(-1); | ||
90 | return(SDL_SetTimerThreaded(1)); | ||
91 | } | ||
92 | |||
93 | void SDL_SYS_TimerQuit(void) | ||
94 | { | ||
95 | timer_alive = 0; | ||
96 | if ( timer ) | ||
97 | { | ||
98 | SDL_WaitThread(timer, NULL); | ||
99 | timer = NULL; | ||
100 | } | ||
101 | } | ||
102 | |||
103 | int SDL_SYS_StartTimer(void) | ||
104 | { | ||
105 | SDL_SetError("Internal logic error: Epoc uses threaded timer"); | ||
106 | return(-1); | ||
107 | } | ||
108 | |||
109 | void SDL_SYS_StopTimer(void) | ||
110 | { | ||
111 | return; | ||
112 | } | ||
113 | |||
114 | } // extern "C" | ||