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/*
* Copyright (C) 2016 The Android Open Source Project
*
* 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 _STM32F4XX_RTC_H_
#define _STM32F4XX_RTC_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#include <inc/seos.h>
enum RtcClock
{
RTC_CLK_LSI,
RTC_CLK_LSE,
RTC_CLK_LSE_BYPASS,
};
#define RTC_ERR_TOO_BIG -1
#define RTC_ERR_TOO_SMALL -2
#define RTC_ERR_INTERNAL -3
#define RTC_ERR_ACCURACY_UNMET -4
void rtcInit(void);
int rtcSetWakeupTimer(uint64_t delay);
uint64_t rtcGetTime(void);
#define RTC_NUM_BACKUP_REGS 20
uint32_t* rtcGetBackupStorage(void);
#ifdef __cplusplus
}
#endif
#endif
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