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

157 lines
5.0 KiB
C

/****************************************************************************
* drivers/modem/alt1250/altmdm_event.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 __DRIVERS_MODEM_ALT1250_ALTMDM_EVENT_H
#define __DRIVERS_MODEM_ALT1250_ALTMDM_EVENT_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include <stdbool.h>
#include <semaphore.h>
/****************************************************************************
* Public Types
****************************************************************************/
struct altmdm_event_s
{
sem_t sem;
uint32_t event;
};
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/****************************************************************************
* Name: altmdm_event_init
*
* Description:
* Initialize the event flag.
*
* Input Parameters:
* evt - An instance pointer to the event flag.
*
* Returned Value:
* Returns 0 on success.
* When an error occurs, a negative value is returned.
*
****************************************************************************/
int altmdm_event_init(FAR struct altmdm_event_s *evt);
/****************************************************************************
* Name: altmdm_event_destroy
*
* Description:
* Destroy the event flag.
*
* Input Parameters:
* evt - An instance pointer to the event flag.
*
* Returned Value:
* Returns 0 on success.
* When an error occurs, a negative value is returned.
*
****************************************************************************/
int altmdm_event_destroy(FAR struct altmdm_event_s *evt);
/****************************************************************************
* Name: altmdm_event_wait
*
* Description:
* Wait for the specified event.
*
* Input Parameters:
* evt - An instance pointer to the event flag.
* event - A bitmap that means an event to wait for.
* with_clear - A flag to clear the event flag when an event is received.
* timeout_ms - Time-out value to wait for an event. 0 means infinite wait.
*
* Returned Value:
* Returns the received event. When an error occurs,
* a negative value is returned.
*
****************************************************************************/
uint32_t altmdm_event_wait(FAR struct altmdm_event_s *evt,
uint32_t event, bool with_clear, int timeout_ms);
/****************************************************************************
* Name: altmdm_event_set
*
* Description:
* Send event.
*
* Input Parameters:
* evt - An instance pointer to the event flag.
* event - Bitmap of the event to send.
*
* Returned Value:
* Returns 0 on success.
* When an error occurs, a negative value is returned.
*
****************************************************************************/
int altmdm_event_set(FAR struct altmdm_event_s *evt, uint32_t event);
/****************************************************************************
* Name: altmdm_event_clear
*
* Description:
* Clear event.
*
* Input Parameters:
* evt - An instance pointer to the event flag.
* event - Bitmap of the event to clear.
*
* Returned Value:
* Returns 0 on success.
* When an error occurs, a negative value is returned.
*
****************************************************************************/
int altmdm_event_clear(FAR struct altmdm_event_s *evt, uint32_t event);
/****************************************************************************
* Name: altmdm_event_refer
*
* Description:
* Get which event is being received.
*
* Input Parameters:
* evt - An instance pointer to the event flag.
*
* Returned Value:
* Returns the received event. When an error occurs,
* a negative value is returned.
*
****************************************************************************/
uint32_t altmdm_event_refer(FAR struct altmdm_event_s *evt);
#endif /* __DRIVERS_MODEM_ALT1250_ALTMDM_EVENT_H */