mirror of
https://github.com/joel16/uofw.git
synced 2024-11-23 11:39:50 +00:00
131 lines
4.2 KiB
C
131 lines
4.2 KiB
C
/* Copyright (C) 2011, 2012, 2013 The uOFW team
|
|
See the file COPYING for copying permission.
|
|
*/
|
|
|
|
#include "common_header.h"
|
|
|
|
/** @defgroup SystemTimer System Timer Module
|
|
* Hardware timer management.
|
|
* @{
|
|
*/
|
|
|
|
#ifndef SYSTIMER_H
|
|
#define SYSTIMER_H
|
|
|
|
/**
|
|
* The time-up handler used by ::sceSTimerSetHandler(). \n
|
|
* When the hardware timer counter register matches the comparison value
|
|
* that was set by ::sceSTimerSetHandler(), the time-up handler is called.
|
|
*
|
|
* When the value returned by the time-up handler is not equal to -1, timer \n
|
|
* counting is stopped and the timer is set to "not in use".
|
|
*
|
|
* The following arguments don't need to be used in the time-up routine.
|
|
*
|
|
* @param timerID The ID of the timer this time-up handler belongs to.
|
|
* @param count Counter value.
|
|
* @param common Pass the common argument specified in ::sceSTimerSetHandler().
|
|
* @param unk Unknown.
|
|
*
|
|
* Typically return -1.
|
|
*/
|
|
typedef s32 (*SceSysTimerCb)(s32 timerId, s32 count, void *common, s32 unk);
|
|
|
|
/**
|
|
* Obtain a hardware timer. Cannot be called from an interrupt handler.
|
|
*
|
|
* @return The timer id (greater than or equal to 0) on success.
|
|
*/
|
|
s32 sceSTimerAlloc(void);
|
|
|
|
/**
|
|
* Return the hardware timer that was obtained by ::sceSTimerAlloc().\n
|
|
* Cannot be called from an interrupt handler.
|
|
*
|
|
* @param timerId The ID of the timer to return.
|
|
*
|
|
* @return SCE_ERROR_OK on success.
|
|
*/
|
|
s32 sceSTimerFree(s32 timerId);
|
|
|
|
/**
|
|
* Start hardware timer counting. The timer is set to "in use" state.
|
|
*
|
|
* @param timerId The ID of the timer to start counting.
|
|
*
|
|
* @return SCE_ERROR_OK on success.
|
|
*/
|
|
s32 sceSTimerStartCount(s32 timerId);
|
|
|
|
/**
|
|
* Read the current value of hardware timer's counter register.
|
|
*
|
|
* @param timerId The ID of the timer to obtain the timer counter value from.
|
|
* @param count A pointer where the obtained counter value will be stored into.
|
|
*
|
|
* @return SCE_ERROR_OK on success.
|
|
*/
|
|
s32 sceSTimerGetCount(s32 timerId, s32 *count);
|
|
|
|
/**
|
|
* Reset the hardware timer's counter register to 0.
|
|
*
|
|
* @param timerId The ID of the timer to reset its counter.
|
|
*
|
|
* @return SCE_ERROR_OK on success.
|
|
*/
|
|
s32 sceSTimerResetCount(s32 timerId);
|
|
|
|
/**
|
|
* Stop the hardware timer counting and set the timer's state to "not in use".
|
|
*
|
|
* @param timerId The ID of the timer to stop its counting.
|
|
*
|
|
* @return SCE_ERROR_OK on success.
|
|
*/
|
|
s32 sceSTimerStopCount(s32 timerId);
|
|
|
|
/**
|
|
* Set the prescale of a hardware timer. It can be only set on timers which are in the "not in use" state.\n
|
|
* The input signal is divided into the resulting ratio. The ratio has to be greater than 1/11.
|
|
*
|
|
* @param timerId The ID of the timer to set the prescale.
|
|
* @param numerator The numerator of the prescale. Must not be 0.
|
|
* @param denominator The denumerator of the prescale. Must not be 0.
|
|
*
|
|
* @return SCE_ERROR_OK on success.
|
|
*/
|
|
s32 sceSTimerSetPrscl(s32 timerId, s32 numerator, s32 denominator);
|
|
|
|
/**
|
|
* Set the comparison value and the time-up handler of the hardware timer counter register.\n
|
|
* The hardware timer counter register begins counting up from zero. If the counter register matches \n
|
|
* the comparison value, an interrupt occurs, the counter register is returned to zero, and counting \n
|
|
* continues. The time-up handler is called via this interrupt.
|
|
*
|
|
* @param timerId The ID of the timer to set the compare value and time-up handler.
|
|
* @param compareValue The count comparison value. Should not be greater 4194303 (~1/10 seconds) and less than 0.
|
|
* @param timeUpHandler Specify the time-up handler that is called when count matches the comparison value.\n
|
|
* Pass null to delete a registered time-up handler. This will also stop the hardware timer \n
|
|
* counting.
|
|
* @param common Pointer to memory common between time-up handler and general routines.
|
|
*
|
|
* @return SCE_ERROR_OK on success.
|
|
*/
|
|
s32 sceSTimerSetHandler(s32 timerId, s32 compareValue, SceSysTimerCb timeUpHandler, void *common);
|
|
|
|
/**
|
|
* Unknown purpose.
|
|
*
|
|
* @param timerId The ID of the timer.
|
|
* @param arg1 Unknown. Should not be less than 0 and greater 4194304.
|
|
*
|
|
* @return SCE_ERROR_OK on success.
|
|
*/
|
|
s32 sceSTimerSetTMCY(s32 timerId, s32 arg1);
|
|
|
|
#endif /* SYSTIMER_H */
|
|
|
|
/** @} */
|
|
|