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Diffstat (limited to 'bsps/arm/atsam/include/libchip/include/rtt.h')
| -rw-r--r-- | bsps/arm/atsam/include/libchip/include/rtt.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/bsps/arm/atsam/include/libchip/include/rtt.h b/bsps/arm/atsam/include/libchip/include/rtt.h new file mode 100644 index 0000000000..2dd2ca5eb5 --- /dev/null +++ b/bsps/arm/atsam/include/libchip/include/rtt.h @@ -0,0 +1,82 @@ +/* ---------------------------------------------------------------------------- */ +/* Atmel Microcontroller Software Support */ +/* SAM Software Package License */ +/* ---------------------------------------------------------------------------- */ +/* Copyright (c) 2015, Atmel Corporation */ +/* */ +/* All rights reserved. */ +/* */ +/* Redistribution and use in source and binary forms, with or without */ +/* modification, are permitted provided that the following condition is met: */ +/* */ +/* - Redistributions of source code must retain the above copyright notice, */ +/* this list of conditions and the disclaimer below. */ +/* */ +/* Atmel's name may not be used to endorse or promote products derived from */ +/* this software without specific prior written permission. */ +/* */ +/* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR */ +/* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE */ +/* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, */ +/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */ +/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */ +/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */ +/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */ +/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */ +/* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ +/* ---------------------------------------------------------------------------- */ + +/** + * \file + * + * \par Purpose + * + * Interface for Real Time Timer (RTT) controller. + * + * \par Usage + * + * -# Changes the prescaler value of the given RTT and restarts it + * using \ref RTT_SetPrescaler(). + * -# Get current value of the RTT using \ref RTT_GetTime(). + * -# Enables the specified RTT interrupt using \ref RTT_EnableIT(). + * -# Get the status register value of the given RTT using \ref RTT_GetStatus(). + * -# Configures the RTT to generate an alarm at the given time + * using \ref RTT_SetAlarm(). + */ + +#ifndef _RTT_ +#define _RTT_ + +/*---------------------------------------------------------------------------- + * Headers + *----------------------------------------------------------------------------*/ + +#include "chip.h" + +#include <stdint.h> + +/*---------------------------------------------------------------------------- + * Exported functions + *----------------------------------------------------------------------------*/ + +#ifdef __cplusplus +extern "C" { +#endif + +extern void RTT_SetPrescaler(Rtt *pRtt, uint16_t wPrescaler); + +extern uint32_t RTT_GetTime(Rtt *pRtt); + +extern void RTT_EnableIT(Rtt *pRtt, uint32_t dwSources); + +extern uint32_t RTT_GetStatus(Rtt *pRtt); + +extern void RTT_SetAlarm(Rtt *pRtt, uint32_t dwTime); + +#ifdef __cplusplus +} +#endif + +#endif /* #ifndef RTT_H */ + |