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/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file ARMCM3/STM32F103/cmparams.h
* @brief ARM Cortex-M3 STM32 specific parameters.
*
* @addtogroup ARMCM3_STM32F103
* @{
*/
#ifndef _CMPARAMS_H_
#define _CMPARAMS_H_
/*===========================================================================*/
/* Constants parameters. */
/*===========================================================================*/
/**
* @brief Cortex core model.
*/
#define CORTEX_MODEL CORTEX_M3
/**
* @brief Systick unit presence.
*/
#define CORTEX_HAS_ST TRUE
/**
* @brief Memory Protection unit presence.
*/
#define CORTEX_HAS_MPU FALSE
/**
* @brief Number of bits in priority masks.
* @details The available number of priority levels is equal to
* (1 << @p CORTEX_PRIORITY_BITS).
*/
#define CORTEX_PRIORITY_BITS 4
/**
* @brief Priority to priority mask conversion macro.
*/
#define CORTEX_PRIORITY(n) ((n) << (8 - CORTEX_PRIORITY_BITS))
/*===========================================================================*/
/* Configurable parameters. */
/*===========================================================================*/
/**
* @brief BASEPRI user level, 0 = disabled.
*/
#ifndef CORTEX_BASEPRI_USER
#define CORTEX_BASEPRI_USER CORTEX_PRIORITY(0)
#endif
/**
* @brief BASEPRI level within kernel lock.
* @details Priority levels higher than this one (lower values) are unaffected
* by the OS activity and can be classified as fast interrupt sources,
* see @ref interrupt_classes.
*/
#ifndef CORTEX_BASEPRI_KERNEL
#define CORTEX_BASEPRI_KERNEL CORTEX_PRIORITY(4)
#endif
/**
* @brief SVCALL handler priority.
* @note This priority must always be one level above the @p BASEPRI_KERNEL
* value.
* @note It is recommended, but not mandatory, to leave this priority level
* for this handler alone.
*/
#ifndef CORTEX_PRIORITY_SVCALL
#define CORTEX_PRIORITY_SVCALL CORTEX_PRIORITY(3)
#endif
/**
* @brief SYSTICK handler priority.
*/
#ifndef CORTEX_PRIORITY_SYSTICK
#define CORTEX_PRIORITY_SYSTICK CORTEX_PRIORITY(8)
#endif
/**
* @brief PENDSV handler priority.
* @note It is recommended to leave this priority level for this handler
* alone.
* @note This is a reserved handler and its priority must always be the
* lowest priority in the system in order to be always executed last
* in the interrupt servicing chain.
*/
#ifndef CORTEX_PRIORITY_PENDSV
#define CORTEX_PRIORITY_PENDSV CORTEX_PRIORITY(15)
#endif
#endif /* _CMPARAMS_H_ */
/** @} */
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