90 lines
3.1 KiB
C
90 lines
3.1 KiB
C
/*
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ChibiOS - Copyright (C) 2006,2007,2008,2009,2010,2011,2012,2013,2014,
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2015,2016,2017,2018,2019,2020,2021 Giovanni Di Sirio.
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This file is part of ChibiOS.
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ChibiOS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation version 3 of the License.
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ChibiOS is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file ARMvx-M-SB/chcore.c
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* @brief ARMvx-M-SB port code.
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*
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* @addtogroup ARMVXM_SB_CORE
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* @{
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*/
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#include "ch.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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/* 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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/*===========================================================================*/
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/* Module interrupt handlers. */
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/*===========================================================================*/
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CH_IRQ_HANDLER(__sb_vector0) {
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CH_IRQ_PROLOGUE();
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chSysLockFromISR();
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chSysTimerHandlerI();
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chSysUnlockFromISR();
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CH_IRQ_EPILOGUE();
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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 Port-related initialization code.
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*
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* @param[in, out] oip pointer to the @p os_instance_t structure
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*
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* @notapi
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*/
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void port_init(os_instance_t *oip) {
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(void)oip;
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/* Starting in a known IRQ configuration.*/
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port_disable();
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/* Enabling alarm VRQ.*/
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__sb_vrq_seten(1U << 0);
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sbSetAlarm(sbGetFrequency() / CH_CFG_ST_FREQUENCY, true);
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}
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/** @} */
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