os.h

CMX990 demonstration board (DE9901)

/****h* DE9901/os.h
* COPYRIGHT
*  (c) 2004-2005 Mobitex Technology AB - All rights reserved
* 
*  Redistribution and use in source and binary forms, with or without modification,
*  are permitted provided that the following conditions are met:
*  * 1. Redistributions of source code must retain the above copyright notice,
*       this list of conditions and the following disclaimer. 
*  * 2. Redistributions in binary form must reproduce the above copyright notice,
*       this list of conditions and the following disclaimer in the documentation
*       and/or other materials provided with the distribution.
*  * 3. The name Mobitex Technology AB may not be used to endorse or promote products
*       derived from this software without specific prior written permission.
*
*  THIS SOFTWARE IS PROVIDED BY MOBITEX TECHNOLOGY AB "AS IS" AND ANY EXPRESS OR
*  IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
*  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
*  SHALL MOBITEX TECHNOLOGY AB BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
*  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
*  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
*  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
*  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
*  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
*  EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* AUTHOR
*  MPN/Kjell Westerberg
* HISTORY
*  Changes in the file are recorded in this list.
*   Ver:  Date:       Responsible:         Comment:
*   R1A01 2005-01-17  Kjell Westerberg     Approved.
*   R1A02 2005-02-07  Kjell Westerberg     Changed prio for CMX and BINIO interrupts.
*   R1A04 2005-02-28  Kjell Westerberg     Increased priority of CMX interrupt.
* DESCRIPTION
*  This is a collection of functions to access some OS functions.
***/
#ifndef _OS_H
#define _OS_H

/* Disable/enable all interrupts. */
#define DISABLE_INTERRUPTS        cyg_interrupt_disable
#define ENABLE_INTERRUPTS         cyg_interrupt_enable

/* Stops the scheduler. No DSR or thread changes can take place. */
#define DISABLE_THREADS           cyg_scheduler_lock
#define ENABLE_THREADS            cyg_scheduler_unlock

/* We define an own type for the OS tick count. */
typedef cyg_tick_count_t OSTICK;
/* We can use a special function to always get the OSTICK in ms. Even if we change the clock */
/* interrupt source to something else than 1000 Hz. */
#define MS_PER_OSTICK  (1000/CYGNUM_HAL_RTC_DENOMINATOR)
OSTICK OS_GetTicks(void);

/* ISR priority, highest priority with the highest value. */
/* The RTC has a priority of 2 in the Mobitex version of eCos. */
/* The serial ports has a priority of 4. */
#define CMX_ISR_PRIO   5
#define BINIO_ISR_PRIO 1


/* Thread priorities: high priority with low value. */
#define TCL_THREAD_PRIO              25
#define PRINT_THREAD_PRIO            29
#define MAIN_THREAD_PRIO             2

#endif