131 lines
4.0 KiB
C
131 lines
4.0 KiB
C
/*
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ChibiOS - Copyright (C) 2006..2015 Giovanni Di Sirio
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/**
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* @file st.c
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* @brief ST Driver code.
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*
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* @addtogroup ST
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* @{
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*/
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#include "hal.h"
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#if (OSAL_ST_MODE != OSAL_ST_MODE_NONE) || defined(__DOXYGEN__)
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/*===========================================================================*/
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/* Driver local definitions. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver exported variables. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver local types. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver local variables. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver local functions. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver exported functions. */
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/*===========================================================================*/
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/**
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* @brief ST Driver initialization.
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* @note This function is implicitly invoked by @p halInit(), there is
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* no need to explicitly initialize the driver.
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*
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* @init
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*/
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void stInit(void) {
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st_lld_init();
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}
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/**
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* @brief Starts the alarm.
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* @note Makes sure that no spurious alarms are triggered after
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* this call.
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* @note This functionality is only available in free running mode, the
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* behavior in periodic mode is undefined.
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*
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* @param[in] abstime the time to be set for the first alarm
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*
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* @api
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*/
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void stStartAlarm(systime_t abstime) {
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osalDbgAssert(stIsAlarmActive() == false, "already active");
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st_lld_start_alarm(abstime);
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}
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/**
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* @brief Stops the alarm interrupt.
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* @note This functionality is only available in free running mode, the
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* behavior in periodic mode is undefined.
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*
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* @api
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*/
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void stStopAlarm(void) {
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st_lld_stop_alarm();
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}
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/**
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* @brief Sets the alarm time.
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* @note This functionality is only available in free running mode, the
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* behavior in periodic mode is undefined.
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*
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* @param[in] abstime the time to be set for the next alarm
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*
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* @api
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*/
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void stSetAlarm(systime_t abstime) {
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osalDbgAssert(stIsAlarmActive() != false, "not active");
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st_lld_set_alarm(abstime);
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}
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/**
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* @brief Returns the current alarm time.
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* @note This functionality is only available in free running mode, the
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* behavior in periodic mode is undefined.
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*
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* @return The currently set alarm time.
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*
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* @api
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*/
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systime_t stGetAlarm(void) {
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osalDbgAssert(stIsAlarmActive() != false, "not active");
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return st_lld_get_alarm();
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}
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#endif /* OSAL_ST_MODE != OSAL_ST_MODE_NONE */
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/** @} */
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