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/*! \file include/sys/time.h
\brief Internal Interface: system time functions
\author Markus L. Noga <markus@noga.de>
*/
/*
* The contents of this file are subject to the Mozilla Public License
* Version 1.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License
* at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and
* limitations under the License.
*
* The Original Code is legOS code, released October 17, 1999.
*
* The Initial Developer of the Original Code is Markus L. Noga.
* Portions created by Markus L. Noga are Copyright (C) 1999
* Markus L. Noga. All Rights Reserved.
*
* Contributor(s): Markus L. Noga <markus@noga.de>
*/
#ifndef __sys_time_h__
#define __sys_time_h__
#ifdef __cplusplus
extern "C" {
#endif
#include "../time.h"
#ifdef CONF_TIME
///////////////////////////////////////////////////////////////////////
//
// Definitions
//
///////////////////////////////////////////////////////////////////////
#ifdef CONF_TM
#define TM_DEFAULT_SLICE 20 //!< default multitasking timeslice
#endif
///////////////////////////////////////////////////////////////////////
//
// Global variables
//
///////////////////////////////////////////////////////////////////////
#ifdef CONF_TM
//! return address for the task switcher
//
extern void* systime_tm_return;
#endif
///////////////////////////////////////////////////////////////////////
//
// Functions
//
///////////////////////////////////////////////////////////////////////
//! initialize system timer
/*! task switcher initialized to empty handler,
motors turned off
*/
void systime_init(void);
//! shutdown system timer
//
void systime_shutdown(void);
#ifdef CONF_TM
//! set task switcher vector
//
void systime_set_switcher(void* switcher);
//! set multitasking timeslice in ms
//
void systime_set_timeslice(unsigned char slice);
#endif // CONF_TM
time_t get_system_up_time(void);
#endif // CONF_TIME
#ifdef __cplusplus
}
#endif
#endif // __sys_time_h__
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