247 lines
7.1 KiB
C
247 lines
7.1 KiB
C
/****************************************************************************
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* arch/renesas/src/rx65n/rx65n_rtc.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#ifndef __ARCH_RENESAS_SRC_RX65N_RX65N_RTC_H
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#define __ARCH_RENESAS_SRC_RX65N_RX65N_RTC_H
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#include <nuttx/config.h>
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#include "chip.h"
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#include "rx65n_definitions.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Public Types
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****************************************************************************/
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#ifndef __ASSEMBLY__
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#ifdef CONFIG_RTC_ALARM
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/* The form of an alarm callback */
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typedef void (*alm_callback_t)(void *arg, unsigned int alarmid);
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/* Structure used to pass parameters to set an alarm */
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struct alm_setalarm_s
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{
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int as_id; /* enum alm_id_e */
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struct tm as_time; /* Alarm expiration time */
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alm_callback_t as_cb; /* Callback (if non-NULL) */
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void *as_arg; /* Argument for callback */
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};
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/* Structure used to pass parameters to query an alarm */
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struct alm_rdalarm_s
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{
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int ar_id; /* enum alm_id_e */
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struct rtc_time *ar_time; /* Argument for storing ALARM RTC time */
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};
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#endif /* CONFIG_RTC_ALARM */
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#ifdef CONFIG_RTC_PERIODIC
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typedef int (*periodiccb_t)(void *arg, unsigned int alarmid);
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#endif
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#ifdef CONFIG_RX65N_CARRY
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typedef void (*carrycb_t)(void);
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#endif
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Name: rx65n_rtc_setdatetime
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*
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* Description:
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* Set the RTC to the provided time. RTC implementations which provide
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* up_rtc_getdatetime() (CONFIG_RTC_DATETIME is selected) should provide
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* this function.
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*
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* Input Parameters:
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* tp - the time to use
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*
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* Returned Value:
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* Zero (OK) on success; a negated errno on failure
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*
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****************************************************************************/
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#ifdef CONFIG_RTC_DATETIME
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struct tm;
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int rx65n_rtc_setdatetime(const struct tm *tp);
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#endif
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/****************************************************************************
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* Name: rx65n_rtc_havesettime
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*
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* Description:
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* Check if RTC time has been set.
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*
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* Returned Value:
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* Returns true if RTC date-time have been previously set.
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*
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****************************************************************************/
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bool rx65n_rtc_havesettime(void);
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#ifdef CONFIG_RTC_ALARM
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/****************************************************************************
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* Name: rx65n_rtc_setalarm
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*
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* Description:
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* Set an alarm to an absolute time using associated hardware.
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*
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* Input Parameters:
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* alminfo - Information about the alarm configuration.
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*
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* Returned Value:
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* Zero (OK) on success; a negated errno on failure
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*
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****************************************************************************/
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int rx65n_rtc_setalarm(struct alm_setalarm_s *alminfo);
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/****************************************************************************
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* Name: rx65n_rtc_rdalarm
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*
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* Description:
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* Query an alarm configured in hardware.
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*
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* Input Parameters:
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* alminfo - Information about the alarm configuration.
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*
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* Returned Value:
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* Zero (OK) on success; a negated errno on failure
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*
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****************************************************************************/
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int rx65n_rtc_rdalarm(struct alm_rdalarm_s *alminfo);
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/****************************************************************************
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* Name: rx65n_rtc_cancelalarm
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*
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* Description:
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* Cancel an alarm.
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*
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* Input Parameters:
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* alarmid - Identifies the alarm to be cancelled
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*
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* Returned Value:
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* Zero (OK) on success; a negated errno on failure
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*
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****************************************************************************/
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int rx65n_rtc_cancelalarm(void);
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#endif /* CONFIG_RTC_ALARM */
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#ifdef CONFIG_RTC_PERIODIC
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/****************************************************************************
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* Name: rx65n_rtc_setperiodic
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*
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* Description:
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* Set a periodic RTC wakeup
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*
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* Input Parameters:
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* period - Time to sleep between wakeups
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* callback - Function to call when the period expires.
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*
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* Returned Value:
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* Zero (OK) on success; a negated errno on failure
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*
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****************************************************************************/
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int rx65n_rtc_setperiodic(const struct timespec *period,
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periodiccb_t callback);
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/****************************************************************************
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* Name: rx65n_rtc_cancelperiodic
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*
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* Description:
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* Cancel a periodic wakeup
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*
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* Input Parameters:
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*
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* Returned Value:
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* Zero (OK) on success; a negated errno on failure
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*
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****************************************************************************/
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int rx65n_rtc_cancelperiodic(void);
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#endif /* CONFIG_RTC_PERIODIC */
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/****************************************************************************
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* Name: rx65n_rtc_lowerhalf
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*
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* Description:
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* Instantiate the RTC lower half driver for the rx65n. General usage:
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*
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* #include <nuttx/timers/rtc.h>
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* #include "rx65n_rtc.h>
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*
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* struct rtc_lowerhalf_s *lower;
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* lower = rx65n_rtc_lowerhalf();
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* rtc_initialize(0, lower);
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*
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* Input Parameters:
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* None
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*
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* Returned Value:
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* On success, a non-NULL RTC lower interface is returned. NULL is
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* returned on any failure.
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*
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****************************************************************************/
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#ifdef CONFIG_RTC_DRIVER
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struct rtc_lowerhalf_s;
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struct rtc_lowerhalf_s *rx65n_rtc_lowerhalf(void);
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#endif
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __ARCH_RENESAS_SRC_RX65N_RX65N_RTC_H */
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