µracoli Manual
Version foo
µracoli
User Guide
Reference Guide
rtc.h
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/* Copyright (c) 2014, Daniel Thiele
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the authors nor the names of its contributors
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may be used to endorse or promote products derived from this software
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE. */
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#ifndef RTC_H
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#define RTC_H
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/* === includes ============================================================ */
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/* === macros ============================================================== */
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/* the following macros are defined by avr-gcc
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*
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* order is important because __AVR_MEGA__ is also defined on Xmega devices
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*/
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#if defined(__AVR_XMEGA__)
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#define RTC_AVR_XMEGA
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#elif defined(__AVR_MEGA__)
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#define RTC_AVR_MEGA
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#else
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#error "MCU class not defined, dont know what to do"
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#endif
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/* setup macros to end up with a tick of 1 second */
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#if defined(RTC_AVR_MEGA)
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#define RTC_PRESCALER (256)
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#define RTC_PRESCALER_BITS (6)
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#define RTC_HWTICK_NB (128)
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#elif defined(RTC_AVR_MEGA_WATCHDOG)
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/* empty */
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#elif defined(RTC_AVR_XMEGA)
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/* empty */
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#else
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/* empty */
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#endif
/* defined(RTC_MEGA_AVR) */
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/* === types =============================================================== */
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/* === prototypes ========================================================== */
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#ifdef __cplusplus
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extern
"C"
{
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#endif
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void
rtc_init
(
void
(*tickfunc)(
void
));
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void
rtc_start
(
void
);
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void
rtc_stop
(
void
);
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#ifdef __cplusplus
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}
/* extern "C" */
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#endif
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#endif
/* #ifndef RTC_H */
rtc_init
void rtc_init(void(*tickfunc)(void))
rtc_start
void rtc_start(void)
rtc_stop
void rtc_stop(void)
Lib
Inc
rtc.h
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