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src/kernel/pspsystimer.h

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+/*
+ * PSP Software Development Kit - http://www.pspdev.org
+ * -----------------------------------------------------------------------
+ * Licensed under the BSD license, see LICENSE in PSPSDK root for details.
+ *
+ * pspsystimer.h - Prototypes for the sceSystimer library.
+ *
+ * Copyright (c) 2007 Iaroslav Gaponenko <adrahil@gmail.com>
+ *
+ * $Id: pspsystimer.h 2149 2007-01-25 20:46:21Z tyranid $
+ */
+
+#ifndef __SYSTIMER_H__
+#define __SYSTIMER_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef int SceSysTimerId;
+
+/**
+ * Allocate a new SysTimer timer instance.
+ *
+ * @return SysTimerId on success, < 0 on error
+ */
+SceSysTimerId sceSTimerAlloc(void);
+
+/**
+ * Free an instance of a SysTimer timer.
+ *
+ * @param timer - The timer id.
+ *
+ */
+void sceSTimerFree(SceSysTimerId timer);
+
+/**
+ * Start the SysTimer timer count.
+ *
+ * @param timer - The timer id.
+ *
+ */
+void sceSTimerStartCount(SceSysTimerId timer);
+
+/**
+ * Stop the current SysTimer timer count.
+ *
+ * @param timer - The timer id.
+ *
+ */
+void sceSTimerStopCount(SceSysTimerId timer);
+
+/**
+ * Reset the current SysTimer timer count.
+ *
+ * @param timer - The timer id.
+ *
+ */
+void sceSTimerResetCount(SceSysTimerId timer);
+
+/**
+ * Get the current SysTimer timer count.
+ *
+ * @param timer - The timer id.
+ * @param count - The pointer to an integer into which the count will be written.
+ *
+ */
+void sceSTimerGetCount(SceSysTimerId timer, int* count);
+
+/**
+ * Setup a SysTimer handler
+ *
+ * @param timer - The timer id.
+ * @param cycle - The timer cycle in microseconds (???). Maximum: 4194303 which represents ~1/10 seconds.
+ * @param handler - The handler function. Has to return -1.
+ * @param unk1 - Unknown. Pass 0.
+ *
+ */
+void sceSTimerSetHandler(SceSysTimerId timer, int cycle, int (*handler)(void), int unk1);
+
+/* Unknown functions. */
+//probably something to set the cycle of an active timer.
+void SysTimerForKernel_53231A15(SceSysTimerId timer, int unk1);
+//more complex. computes some ratio (unk2/unk1) and saves both parameters into the hardware registers. Might be some sort of scaling factor?
+void SysTimerForKernel_B53534B4(SceSysTimerId timer, int unk1, int unk2);
+
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif