RTEMS: bsps/arm/atsam/include/libchip/include/rtt.h Source File

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rtt.h
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1/* ---------------------------------------------------------------------------- */
2/* Atmel Microcontroller Software Support */
3/* SAM Software Package License */
4/* ---------------------------------------------------------------------------- */
5/* Copyright (c) 2015, Atmel Corporation */
6/* */
7/* All rights reserved. */
8/* */
9/* Redistribution and use in source and binary forms, with or without */
10/* modification, are permitted provided that the following condition is met: */
11/* */
12/* - Redistributions of source code must retain the above copyright notice, */
13/* this list of conditions and the disclaimer below. */
14/* */
15/* Atmel's name may not be used to endorse or promote products derived from */
16/* this software without specific prior written permission. */
17/* */
18/* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR */
19/* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
20/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE */
21/* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, */
22/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */
23/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */
24/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
25/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */
26/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */
27/* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
28/* ---------------------------------------------------------------------------- */
29
48#ifndef _RTT_
49#define _RTT_
50
51/*----------------------------------------------------------------------------
52 * Headers
53 *----------------------------------------------------------------------------*/
54
55#include "chip.h"
56
57#include <stdint.h>
58
59/*----------------------------------------------------------------------------
60 * Exported functions
61 *----------------------------------------------------------------------------*/
62
63#ifdef __cplusplus
64extern "C" {
65#endif
66
67extern void RTT_SetPrescaler(Rtt *pRtt, uint16_t wPrescaler);
68
69extern uint32_t RTT_GetTime(Rtt *pRtt);
70
71extern void RTT_EnableIT(Rtt *pRtt, uint32_t dwSources);
72
73extern uint32_t RTT_GetStatus(Rtt *pRtt);
74
75extern void RTT_SetAlarm(Rtt *pRtt, uint32_t dwTime);
76
77#ifdef __cplusplus
78}
79#endif
80
81#endif /* #ifndef RTT_H */
82
RTT_EnableIT
void RTT_EnableIT(Rtt *pRtt, uint32_t dwSources)
Enables the specified RTT interrupt sources.
Definition: rtt.c:107
RTT_SetAlarm
void RTT_SetAlarm(Rtt *pRtt, uint32_t dwTime)
Configures the RTT to generate an alarm at the given time.
Definition: rtt.c:129
RTT_GetTime
uint32_t RTT_GetTime(Rtt *pRtt)
Returns the current value of the RTT timer value.
Definition: rtt.c:96
RTT_GetStatus
uint32_t RTT_GetStatus(Rtt *pRtt)
Returns the status register value of the given RTT.
Definition: rtt.c:118
RTT_SetPrescaler
void RTT_SetPrescaler(Rtt *pRtt, uint16_t wPrescaler)
Changes the prescaler value of the given RTT and restarts it.
Definition: rtt.c:86
Rtt
Rtt hardware registers.
Definition: component_rtt.h:41