ChibiOS 21.11.4
hal_st.h
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1/*
2 ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
3
4 Licensed under the Apache License, Version 2.0 (the "License");
5 you may not use this file except in compliance with the License.
6 You may obtain a copy of the License at
7
8 http://www.apache.org/licenses/LICENSE-2.0
9
10 Unless required by applicable law or agreed to in writing, software
11 distributed under the License is distributed on an "AS IS" BASIS,
12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 See the License for the specific language governing permissions and
14 limitations under the License.
15*/
16
17/**
18 * @file hal_st.h
19 * @brief ST Driver macros and structures.
20 * @details This header is designed to be include-able without having to
21 * include other files from the HAL.
22 *
23 * @addtogroup ST
24 * @{
25 */
26
27#ifndef HAL_ST_H
28#define HAL_ST_H
29
30#include "hal_st_lld.h"
31
32/*===========================================================================*/
33/* Driver constants. */
34/*===========================================================================*/
35
36/*===========================================================================*/
37/* Driver pre-compile time settings. */
38/*===========================================================================*/
39
40/*===========================================================================*/
41/* Derived constants and error checks. */
42/*===========================================================================*/
43
44/* Compatibility with old LLDS.*/
45#if !defined(ST_LLD_NUM_ALARMS)
46#define ST_LLD_NUM_ALARMS 1
47#endif
48
49/*===========================================================================*/
50/* Driver data structures and types. */
51/*===========================================================================*/
52
53typedef void (*st_callback_t)(unsigned alarm);
54
55/*===========================================================================*/
56/* Driver macros. */
57/*===========================================================================*/
58
59/*===========================================================================*/
60/* External declarations. */
61/*===========================================================================*/
62
63#if (ST_LLD_NUM_ALARMS > 1) && !defined(__DOXYGEN__)
65#endif
66
67#ifdef __cplusplus
68extern "C" {
69#endif
70 void stInit(void);
71#if defined(ST_LLD_MULTICORE_SUPPORT)
72 void stBind(void);
73#endif
74#if OSAL_ST_MODE == OSAL_ST_MODE_FREERUNNING
76 void stStartAlarm(systime_t abstime);
77 void stStopAlarm(void);
78 void stSetAlarm(systime_t abstime);
80 bool stIsAlarmActive(void);
81#if ST_LLD_NUM_ALARMS > 1
82 void stSetCallback(unsigned alarm, st_callback_t cb);
83#if defined(ST_LLD_MULTICORE_SUPPORT)
84 void stBindAlarmN(unsigned alarm);
85#endif
86 void stStartAlarmN(unsigned alarm, systime_t abstime);
87 void stStopAlarmN(unsigned alarm);
88 void stSetAlarmN(unsigned alarm, systime_t abstime);
89 systime_t stGetAlarmN(unsigned alarm);
90 bool stIsAlarmActiveN(unsigned alarm);
91#endif /* ST_LLD_NUM_ALARMS > 1 */
92#endif /* OSAL_ST_MODE == OSAL_ST_MODE_FREERUNNING */
93#ifdef __cplusplus
94}
95#endif
96
97#endif /* HAL_ST_H */
98
99/** @} */
void stSetAlarm(systime_t abstime)
Sets the alarm zero time.
Definition hal_st.c:147
systime_t stGetCounter(void)
Returns the time counter value.
Definition hal_st.c:103
#define ST_LLD_NUM_ALARMS
Definition hal_st.h:46
systime_t stGetAlarm(void)
Returns the alarm zero current time.
Definition hal_st.c:163
void stSetCallback(unsigned alarm, st_callback_t cb)
Associates a callback to an alarm.
Definition hal_st.c:197
void stSetAlarmN(unsigned alarm, systime_t abstime)
Sets an additional alarm time.
Definition hal_st.c:268
void(* st_callback_t)(unsigned alarm)
Definition hal_st.h:53
bool stIsAlarmActiveN(unsigned alarm)
Determines if the specified alarm is active.
Definition hal_st.c:304
bool stIsAlarmActive(void)
Determines if the alarm zero is active.
Definition hal_st.c:179
void stBindAlarmN(unsigned alarm)
Enables an alarm interrupt on the invoking core.
Definition hal_st.c:213
void stBind(void)
Enables an alarm interrupt on the invoking core.
Definition hal_st.c:87
void stStopAlarmN(unsigned alarm)
Stops an additional alarm.
Definition hal_st.c:251
st_callback_t st_callbacks[ST_LLD_NUM_ALARMS]
Callback pointers for each alarm.
Definition hal_st.c:51
void stStopAlarm(void)
Stops the alarm zero interrupt.
Definition hal_st.c:133
void stStartAlarmN(unsigned alarm, systime_t abstime)
Starts an additional alarm.
Definition hal_st.c:234
systime_t stGetAlarmN(unsigned alarm)
Returns an additional alarm current time.
Definition hal_st.c:286
void stInit(void)
ST Driver initialization.
Definition hal_st.c:69
void stStartAlarm(systime_t abstime)
Starts the alarm zero.
Definition hal_st.c:119
uint64_t systime_t
Type of system time.
Definition chtime.h:107
PLATFORM ST subsystem low level driver header.