incubator-nuttx/drivers/modem/alt1250/altmdm_timer.h

112 lines
4.0 KiB
C

/****************************************************************************
* drivers/modem/alt1250/altmdm_timer.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF 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. 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 __DEVICES_MODEM_ALT1250_ALTMDM_TIMER_H
#define __DEVICES_MODEM_ALT1250_ALTMDM_TIMER_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <signal.h>
#include <time.h>
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/****************************************************************************
* Name: altmdm_timer_start
*
* Description:
* Starts the timer with the specified timeout period. When the timeout
* occurs, the function specified in the handler is executed.
*
* Input Parameters:
* first_ms - The time until next expiration.
* interval_ms - The reload value of the timer.
* handler - Function pointer to be called when the timer expires.
* ptr_param - The value set in info->si_value.sival_ptr.
* info is the second argument of the handler.
*
* Returned Value:
* If the altmdm_timer_start() succeeds, timer instance will be returned.
* If an error occurs, the NULL will be returned.
*
****************************************************************************/
timer_t altmdm_timer_start(int first_ms, int interval_ms,
FAR _sa_sigaction_t handler, FAR void *ptr_param);
/****************************************************************************
* Name: altmdm_timer_restart
*
* Description:
* Restarts the timer with the specified timeout period.
*
* Input Parameters:
* timerid - timer instatce created by altmdm_timer_start().
* first_ms - The time until next expiration.
* interval_ms - The reload value of the timer.
*
* Returned Value:
* If the altmdm_timer_restart() succeeds, the value 0 (OK) will be
* returned. If an error occurs, the value -1 (ERROR) will be returned.
*
****************************************************************************/
int altmdm_timer_restart(timer_t timerid, int first_ms, int interval_ms);
/****************************************************************************
* Name: altmdm_timer_is_running
*
* Description:
* Check whether the timer is running or not.
*
* Input Parameters:
* timerid - timer instatce created by altmdm_timer_start().
*
* Returned Value:
* Return 1 if the timer is running, 0 otherwise.
*
****************************************************************************/
int altmdm_timer_is_running(timer_t timerid);
/****************************************************************************
* Name: altmdm_timer_stop
*
* Description:
* Stops the timer.
*
* Input Parameters:
* timerid - timer instatce created by altmdm_timer_start().
*
* Returned Value:
* None
*
****************************************************************************/
void altmdm_timer_stop(timer_t timerid);
#endif /* __DEVICES_MODEM_ALT1250_ALTMDM_TIMER_H */