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- #ifndef __ALT_PRIV_ALARM_H__
- #define __ALT_PRIV_ALARM_H__
- /******************************************************************************
- * *
- * License Agreement *
- * *
- * Copyright (c) 2004 Altera Corporation, San Jose, California, USA. *
- * All rights reserved. *
- * *
- * Permission is hereby granted, free of charge, to any person obtaining a *
- * copy of this software and associated documentation files (the "Software"), *
- * to deal in the Software without restriction, including without limitation *
- * the rights to use, copy, modify, merge, publish, distribute, sublicense, *
- * and/or sell copies of the Software, and to permit persons to whom the *
- * Software is furnished to do so, subject to the following conditions: *
- * *
- * The above copyright notice and this permission notice shall be included in *
- * all copies or substantial portions of the Software. *
- * *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE *
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING *
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER *
- * DEALINGS IN THE SOFTWARE. *
- * *
- * This agreement shall be governed in all respects by the laws of the State *
- * of California and by the laws of the United States of America. *
- * *
- * Altera does not recommend, suggest or require that this reference design *
- * file be used in conjunction or combination with any other product. *
- ******************************************************************************/
- /******************************************************************************
- * *
- * THIS IS A LIBRARY READ-ONLY SOURCE FILE. DO NOT EDIT. *
- * *
- ******************************************************************************/
- #include "alt_types.h"
- /*
- * This header provides the internal defenitions required by the public
- * interface alt_alarm.h. These variables and structures are not guaranteed to
- * exist in future implementations of the HAL.
- */
- #ifdef __cplusplus
- extern "C"
- {
- #endif /* __cplusplus */
- /*
- * "alt_alarm_s" is a structure type used to maintain lists of alarm callback
- * functions.
- */
- struct alt_alarm_s
- {
- alt_llist llist; /* linked list */
- alt_u32 time; /* time in system ticks of the callback */
- alt_u32 (*callback) (void* context); /* callback function. The return
- * value is the period for the next callback; where
- * zero indicates that the alarm should be removed
- * from the list.
- */
- alt_u8 rollover; /* set when desired alarm time + current time causes
- overflow, to prevent premature alarm */
- void* context; /* Argument for the callback */
- };
- /*
- * "_alt_tick_rate" is a global variable used to store the system clock rate
- * in ticks per second. This is initialised to zero, which coresponds to there
- * being no system clock available.
- *
- * It is then set to it's final value by the system clock driver through a call
- * to alt_sysclk_init().
- */
- extern alt_u32 _alt_tick_rate;
- /*
- * "_alt_nticks" is a global variable which records the elapsed number of
- * system clock ticks since the last call to settimeofday() or since reset if
- * settimeofday() has not been called.
- */
- extern volatile alt_u32 _alt_nticks;
- /* The list of registered alarms. */
- extern alt_llist alt_alarm_list;
- #ifdef __cplusplus
- }
- #endif
- #endif /* __ALT_PRIV_ALARM_H__ */
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