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/**************************************************************************
*
* Copyright (c) 2013 Alcatel-Lucent
*
* Alcatel Lucent licenses this file to You under the Apache License,
* Version 2.0 (the "License"); you may not use this file except in
* compliance with the License. A copy of the License is contained the
* file LICENSE at the top level of this repository.
* You may also obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
**************************************************************************
*
* timer.h
*
* Original author: Ed Sutter (ed.sutter@alcatel-lucent.com)
*
*/
#ifndef _TIMER_H_
#define _TIMER_H_
struct elapsed_tmr {
unsigned long start; // Start value of elapsed timeout.
unsigned long tmrval; // Running timer value
// (used by elapsed timeout)
unsigned long currenttmrval; // Current timer value
// (not used by elapsed timeout)
unsigned long tpm; // Ticks per millisecond
unsigned long elapsed_low;
unsigned long elapsed_high;
unsigned long timeout_low;
unsigned long timeout_high;
unsigned long tmrflags;
};
/* Timer flags:
*/
#define HWTMR_ENABLED (1 << 0)
#define TIMEOUT_OCCURRED (1 << 1)
/* Timer macros:
*/
#define HWRTMR_IS_ENABLED(tmr) \
((tmr)->tmrflags & HWTMR_ENABLED)
#define ELAPSED_TIMEOUT(tmr) \
((tmr)->tmrflags & TIMEOUT_OCCURRED)
/* uMon API timer commands:
*/
#define TIMER_START 1
#define TIMER_ELAPSED 2
#define TIMER_QUERY 3
extern unsigned long target_timer(void);
extern void startElapsedTimer(struct elapsed_tmr *tmr,long timeout);
extern int msecElapsed(struct elapsed_tmr *tmr);
extern unsigned long msecRemaining(struct elapsed_tmr *tmr);
extern int monTimer(int cmd, void *arg);
#endif
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