mbed-os/features/nanostack/sal-stack-nanostack-eventloop/source/timer_sys.h

61 lines
1.6 KiB
C

/*
* Copyright (c) 2014-2015 ARM Limited. All rights reserved.
* SPDX-License-Identifier: Apache-2.0
* Licensed under the Apache License, Version 2.0 (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.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.
*/
#ifndef _PL_NANO_TIMER_SYS_H_
#define _PL_NANO_TIMER_SYS_H_
#ifdef __cplusplus
extern "C" {
#endif
#include "eventOS_event.h"
/* We borrow base event storage, including its list link, and add a time field */
typedef struct sys_timer_struct_s {
arm_event_storage_t event;
uint32_t launch_time; // tick value
uint32_t period;
} sys_timer_struct_s;
/**
* Initialize system timer
* */
extern void timer_sys_init(void);
extern uint32_t timer_get_runtime_ticks(void);
int8_t timer_sys_wakeup(void);
void timer_sys_disable(void);
void timer_sys_event_free(struct arm_event_storage *event);
// This require lock to be held
void timer_sys_event_cancel_critical(struct arm_event_storage *event);
/**
* System Timer update and synch after sleep
*
* \param ticks Time in 10 ms resolution
*
* \return none
*
* */
void system_timer_tick_update(uint32_t ticks);
#ifdef __cplusplus
}
#endif
#endif /*_PL_NANO_TIMER_SYS_H_*/