148 lines
4.6 KiB
C
148 lines
4.6 KiB
C
/*
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ChibiOS - Copyright (C) 2006..2018 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 osal.c
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* @brief OSAL module code.
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*
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* @addtogroup OSAL
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* @{
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*/
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#include "osal.h"
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#include "osal_vt.h"
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/*===========================================================================*/
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/* Module local definitions. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module exported variables. */
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/*===========================================================================*/
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/**
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* @brief Pointer to a halt error message.
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* @note The message is meant to be retrieved by the debugger after the
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* system halt caused by an unexpected error.
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*/
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const char *osal_halt_msg;
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/*===========================================================================*/
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/* Module local types. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module local variables. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module local functions. */
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/*===========================================================================*/
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static void callback_timeout(void *p) {
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osalSysLockFromISR();
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osalThreadResumeI((thread_reference_t *)p, MSG_TIMEOUT);
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osalSysUnlockFromISR();
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}
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/*===========================================================================*/
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/* Module exported functions. */
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/*===========================================================================*/
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/**
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* @brief System halt with error message.
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*
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* @param[in] reason the halt message pointer
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*
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* @api
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*/
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#if !defined(__DOXYGEN__)
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__attribute__((weak, noreturn))
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#endif
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void osalSysHalt(const char *reason) {
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osalSysDisable();
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osal_halt_msg = reason;
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while (true) {
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}
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}
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/**
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* @brief Polled delay.
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* @note The real delay is always few cycles in excess of the specified
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* value.
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*
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* @param[in] cycles number of cycles
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*
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* @xclass
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*/
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void osalSysPolledDelayX(rtcnt_t cycles) {
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(void)cycles;
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}
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/**
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* @brief Current system time.
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* @details Returns the number of system ticks since the @p osalInit()
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* invocation.
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* @note The counter can reach its maximum and then restart from zero.
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* @note This function can be called from any context but its atomicity
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* is not guaranteed on architectures whose word size is less than
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* @p systime_t size.
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*
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* @return The system time in ticks.
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*
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* @xclass
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*/
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systime_t osalOsGetSystemTimeX(void) {
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return 0;
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}
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/**
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* @brief Suspends the invoking thread for the specified time.
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*
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* @param[in] time the delay in system ticks, the special values are
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* handled as follow:
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* - @a TIME_INFINITE is allowed but interpreted as a
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* normal time specification.
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* - @a TIME_IMMEDIATE this value is not allowed.
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* .
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*
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* @sclass
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*/
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void osalThreadSleepS(sysinterval_t time) {
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}
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/**
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* @brief Suspends the invoking thread for the specified time.
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*
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* @param[in] time the delay in system ticks, the special values are
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* handled as follow:
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* - @a TIME_INFINITE is allowed but interpreted as a
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* normal time specification.
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* - @a TIME_IMMEDIATE this value is not allowed.
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* .
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*
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* @api
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*/
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void osalThreadSleep(sysinterval_t time) {
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}
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/** @} */
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