314 lines
11 KiB
C
314 lines
11 KiB
C
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/*----------------------------------------------------------------------------
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* CMSIS-RTOS - RTX
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*----------------------------------------------------------------------------
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* Name: RTX_Conf_CM.C
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* Purpose: Configuration of CMSIS RTX Kernel for Cortex-M
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* Rev.: V4.70.1
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*----------------------------------------------------------------------------
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*
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* Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
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* All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* - Neither the name of ARM nor the names of its contributors may be used
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* to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*---------------------------------------------------------------------------*/
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#include "cmsis_os.h"
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/*----------------------------------------------------------------------------
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* RTX User configuration part BEGIN
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*---------------------------------------------------------------------------*/
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//-------- <<< Use Configuration Wizard in Context Menu >>> -----------------
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//
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// <h>Thread Configuration
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// =======================
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//
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// <o>Number of concurrent running user threads <1-250>
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// <i> Defines max. number of user threads that will run at the same time.
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// <i> Default: 6
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#ifndef OS_TASKCNT
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#define OS_TASKCNT 6
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#endif
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// <o>Default Thread stack size [bytes] <64-4096:8><#/4>
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// <i> Defines default stack size for threads with osThreadDef stacksz = 0
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// <i> Default: 200
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#ifndef OS_STKSIZE
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#define OS_STKSIZE 50 // this stack size value is in words
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#endif
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// <o>Main Thread stack size [bytes] <64-32768:8><#/4>
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// <i> Defines stack size for main thread.
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// <i> Default: 200
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#ifndef OS_MAINSTKSIZE
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#define OS_MAINSTKSIZE 50 // this stack size value is in words
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#endif
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// <o>Number of threads with user-provided stack size <0-250>
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// <i> Defines the number of threads with user-provided stack size.
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// <i> Default: 0
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#ifndef OS_PRIVCNT
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#define OS_PRIVCNT 0
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#endif
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// <o>Total stack size [bytes] for threads with user-provided stack size <0-1048576:8><#/4>
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// <i> Defines the combined stack size for threads with user-provided stack size.
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// <i> Default: 0
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#ifndef OS_PRIVSTKSIZE
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#define OS_PRIVSTKSIZE 0 // this stack size value is in words
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#endif
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// <q>Stack overflow checking
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// <i> Enable stack overflow checks at thread switch.
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// <i> Enabling this option increases slightly the execution time of a thread switch.
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#ifndef OS_STKCHECK
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#define OS_STKCHECK 1
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#endif
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// <q>Stack usage watermark
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// <i> Initialize thread stack with watermark pattern for analyzing stack usage (current/maximum) in System and Thread Viewer.
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// <i> Enabling this option increases significantly the execution time of osThreadCreate.
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#ifndef OS_STKINIT
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#define OS_STKINIT 0
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#endif
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// <o>Processor mode for thread execution
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// <0=> Unprivileged mode
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// <1=> Privileged mode
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// <i> Default: Privileged mode
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#ifndef OS_RUNPRIV
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#define OS_RUNPRIV 1
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#endif
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// </h>
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// <h>RTX Kernel Timer Tick Configuration
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// ======================================
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// <q> Use Cortex-M SysTick timer as RTX Kernel Timer
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// <i> Cortex-M processors provide in most cases a SysTick timer that can be used as
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// <i> as time-base for RTX.
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#ifndef OS_SYSTICK
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#define OS_SYSTICK 1
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#endif
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//
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// <o>RTOS Kernel Timer input clock frequency [Hz] <1-1000000000>
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// <i> Defines the input frequency of the RTOS Kernel Timer.
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// <i> When the Cortex-M SysTick timer is used, the input clock
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// <i> is on most systems identical with the core clock.
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#ifndef OS_CLOCK
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#define OS_CLOCK 12000000
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#endif
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// <o>RTX Timer tick interval value [us] <1-1000000>
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// <i> The RTX Timer tick interval value is used to calculate timeout values.
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// <i> When the Cortex-M SysTick timer is enabled, the value also configures the SysTick timer.
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// <i> Default: 1000 (1ms)
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#ifndef OS_TICK
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#define OS_TICK 1000
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#endif
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// </h>
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// <h>System Configuration
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// =======================
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//
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// <e>Round-Robin Thread switching
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// ===============================
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//
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// <i> Enables Round-Robin Thread switching.
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#ifndef OS_ROBIN
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#define OS_ROBIN 1
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#endif
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// <o>Round-Robin Timeout [ticks] <1-1000>
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// <i> Defines how long a thread will execute before a thread switch.
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// <i> Default: 5
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#ifndef OS_ROBINTOUT
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#define OS_ROBINTOUT 5
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#endif
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// </e>
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// <e>User Timers
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// ==============
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// <i> Enables user Timers
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#ifndef OS_TIMERS
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#define OS_TIMERS 1
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#endif
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// <o>Timer Thread Priority
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// <1=> Low
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// <2=> Below Normal <3=> Normal <4=> Above Normal
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// <5=> High
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// <6=> Realtime (highest)
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// <i> Defines priority for Timer Thread
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// <i> Default: High
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#ifndef OS_TIMERPRIO
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#define OS_TIMERPRIO 5
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#endif
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// <o>Timer Thread stack size [bytes] <64-4096:8><#/4>
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// <i> Defines stack size for Timer thread.
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// <i> Default: 200
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#ifndef OS_TIMERSTKSZ
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#define OS_TIMERSTKSZ 50 // this stack size value is in words
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#endif
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// <o>Timer Callback Queue size <1-32>
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// <i> Number of concurrent active timer callback functions.
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// <i> Default: 4
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#ifndef OS_TIMERCBQS
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#define OS_TIMERCBQS 4
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#endif
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// </e>
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// <o>ISR FIFO Queue size<4=> 4 entries <8=> 8 entries
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// <12=> 12 entries <16=> 16 entries
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// <24=> 24 entries <32=> 32 entries
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// <48=> 48 entries <64=> 64 entries
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// <96=> 96 entries
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// <i> ISR functions store requests to this buffer,
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// <i> when they are called from the interrupt handler.
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// <i> Default: 16 entries
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#ifndef OS_FIFOSZ
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#define OS_FIFOSZ 16
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#endif
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// </h>
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//------------- <<< end of configuration section >>> -----------------------
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// Standard library system mutexes
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// ===============================
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// Define max. number system mutexes that are used to protect
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// the arm standard runtime library. For microlib they are not used.
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#ifndef OS_MUTEXCNT
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#define OS_MUTEXCNT 8
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#endif
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/*----------------------------------------------------------------------------
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* RTX User configuration part END
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*---------------------------------------------------------------------------*/
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#define OS_TRV ((uint32_t)(((double)OS_CLOCK*(double)OS_TICK)/1E6)-1)
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/*----------------------------------------------------------------------------
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* Global Functions
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*---------------------------------------------------------------------------*/
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/*--------------------------- os_idle_demon ---------------------------------*/
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/// \brief The idle demon is running when no other thread is ready to run
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void os_idle_demon (void) {
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for (;;) {
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/* HERE: include optional user code to be executed when no thread runs.*/
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}
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}
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#if (OS_SYSTICK == 0) // Functions for alternative timer as RTX kernel timer
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/*--------------------------- os_tick_init ----------------------------------*/
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/// \brief Initializes an alternative hardware timer as RTX kernel timer
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/// \return IRQ number of the alternative hardware timer
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int os_tick_init (void) {
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return (-1); /* Return IRQ number of timer (0..239) */
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}
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/*--------------------------- os_tick_val -----------------------------------*/
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/// \brief Get alternative hardware timer's current value (0 .. OS_TRV)
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/// \return Current value of the alternative hardware timer
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uint32_t os_tick_val (void) {
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return (0);
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}
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/*--------------------------- os_tick_ovf -----------------------------------*/
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/// \brief Get alternative hardware timer's overflow flag
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/// \return Overflow flag\n
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/// - 1 : overflow
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/// - 0 : no overflow
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uint32_t os_tick_ovf (void) {
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return (0);
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}
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/*--------------------------- os_tick_irqack --------------------------------*/
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/// \brief Acknowledge alternative hardware timer interrupt
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void os_tick_irqack (void) {
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/* ... */
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}
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#endif // (OS_SYSTICK == 0)
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/*--------------------------- os_error --------------------------------------*/
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/* OS Error Codes */
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#define OS_ERROR_STACK_OVF 1
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#define OS_ERROR_FIFO_OVF 2
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#define OS_ERROR_MBX_OVF 3
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#define OS_ERROR_TIMER_OVF 4
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extern osThreadId svcThreadGetId (void);
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/// \brief Called when a runtime error is detected
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/// \param[in] error_code actual error code that has been detected
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void os_error (uint32_t error_code) {
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/* HERE: include optional code to be executed on runtime error. */
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switch (error_code) {
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case OS_ERROR_STACK_OVF:
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/* Stack overflow detected for the currently running task. */
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/* Thread can be identified by calling svcThreadGetId(). */
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break;
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case OS_ERROR_FIFO_OVF:
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/* ISR FIFO Queue buffer overflow detected. */
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break;
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case OS_ERROR_MBX_OVF:
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/* Mailbox overflow detected. */
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break;
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case OS_ERROR_TIMER_OVF:
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/* User Timer Callback Queue overflow detected. */
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break;
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default:
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break;
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}
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for (;;);
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}
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/*----------------------------------------------------------------------------
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* RTX Configuration Functions
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*---------------------------------------------------------------------------*/
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#include "RTX_CM_lib.h"
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/*----------------------------------------------------------------------------
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* end of file
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*---------------------------------------------------------------------------*/
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