PSP: moved timer thread to backends/timer/psp

svn-id: r49173

2 files changed, 130 insertions, 0 deletions

diff --git a/backends/timer/psp/timer.cpp b/backends/timer/psp/timer.cpp
new file mode 100644
index 0000000000..55b63ba4fd
--- /dev/null
+++ b/backends/timer/psp/timer.cpp
@@ -0,0 +1,83 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/trunk/backends/platform/psp/osys_psp.cpp $
+ * $Id: osys_psp.cpp 46126 2009-11-24 14:18:46Z fingolfin $
+ *
+ */
+
+#if defined (__PSP__) 
+#include <pspthreadman.h>
+
+#include "common/scummsys.h"
+#include "common/timer.h"
+#include "backends/platform/psp/thread.h"
+#include "backends/timer/psp/timer.h"
+
+//#define __PSP_DEBUG_FUNCS__	/* For debugging function calls */
+//#define __PSP_DEBUG_PRINT__	/* For debug printouts */
+
+#include "backends/platform/psp/trace.h"
+
+bool PspTimer::start() {
+	DEBUG_ENTER_FUNC();
+	
+	if (!_interval || !_callback)
+		return false;
+
+	_threadId = sceKernelCreateThread("timerThread", thread, PRIORITY_TIMER_THREAD, STACK_TIMER_THREAD, THREAD_ATTR_USER, 0);
+
+	if (_threadId < 0) {	// error
+		PSP_ERROR("failed to create timer thread. Error code %d\n", _threadId);
+		return false;
+	}
+	
+	PspTimer *_this = this;	// trick to get into context when the thread starts
+	_init = true;
+	
+	if (sceKernelStartThread(_threadId, sizeof(uint32 *), &_this) < 0) {
+		PSP_ERROR("failed to start thread %d\n", _threadId);
+		return false;
+	}
+	
+	PSP_DEBUG_PRINT("created timer thread[%x]\n", _threadId);
+	
+	return true;
+}
+
+int PspTimer::thread(SceSize, void *__this) {
+	DEBUG_ENTER_FUNC();
+	PspTimer *_this = *(PspTimer **)__this;		// get our this for the context
+	
+	_this->timerThread();
+	return 0;
+};
+
+void PspTimer::timerThread() {
+	DEBUG_ENTER_FUNC();
+	
+	while (_init) {
+		sceKernelDelayThread(_interval);
+		PSP_DEBUG_PRINT("calling callback!\n");
+		_callback();
+	}
+};
+
+#endif /* __PSP__ */
diff --git a/backends/timer/psp/timer.h b/backends/timer/psp/timer.h
new file mode 100644
index 0000000000..ec31addb72
--- /dev/null
+++ b/backends/timer/psp/timer.h
@@ -0,0 +1,47 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/trunk/backends/platform/psp/osys_psp.cpp $
+ * $Id: osys_psp.cpp 46126 2009-11-24 14:18:46Z fingolfin $
+ *
+ */
+
+#ifndef PSP_TIMER_H
+#define PSP_TIMER_H 
+ 
+class PspTimer {
+public:
+	typedef void (* CallbackFunc)(void);
+	PspTimer() : _callback(0), _interval(0), _threadId(-1), _init(false) {}
+	void stop() { _init = false; }
+	bool start();
+	~PspTimer() { stop(); }
+	void setCallback(CallbackFunc cb) { _callback = cb; }
+	void setIntervalMs(uint32 interval) { _interval = interval * 1000; }
+	static int thread(SceSize, void *__this);		// static thread to use as bridge
+	void timerThread();
+private:
+	CallbackFunc _callback;	// pointer to timer callback
+	uint32 _interval;
+	int _threadId;
+	bool _init;
+};
+
+#endif