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Add CMSIS RTE folder
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kchuang1 committed Aug 27, 2018
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#
obj/
lst/
RTE/


#
# For IAR
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/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: RTX_Conf_CM.C
* Purpose: Configuration of CMSIS RTX Kernel for Cortex-M
* Rev.: V4.70.1
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
* All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - 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.
* - Neither the name of ARM nor the names of its contributors may be used
* to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDERS AND CONTRIBUTORS 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.
*---------------------------------------------------------------------------*/

#include "cmsis_os.h"


/*----------------------------------------------------------------------------
* RTX User configuration part BEGIN
*---------------------------------------------------------------------------*/

//-------- <<< Use Configuration Wizard in Context Menu >>> -----------------
//
// <h>Thread Configuration
// =======================
//
// <o>Number of concurrent running user threads <1-250>
// <i> Defines max. number of user threads that will run at the same time.
// <i> Default: 6
#ifndef OS_TASKCNT
#define OS_TASKCNT 4
#endif

// <o>Default Thread stack size [bytes] <64-4096:8><#/4>
// <i> Defines default stack size for threads with osThreadDef stacksz = 0
// <i> Default: 200
#ifndef OS_STKSIZE
#define OS_STKSIZE 64 // this stack size value is in words
#endif

// <o>Main Thread stack size [bytes] <64-32768:8><#/4>
// <i> Defines stack size for main thread.
// <i> Default: 200
#ifndef OS_MAINSTKSIZE
#define OS_MAINSTKSIZE 128 // this stack size value is in words
#endif

// <o>Number of threads with user-provided stack size <0-250>
// <i> Defines the number of threads with user-provided stack size.
// <i> Default: 0
#ifndef OS_PRIVCNT
#define OS_PRIVCNT 3
#endif

// <o>Total stack size [bytes] for threads with user-provided stack size <0-1048576:8><#/4>
// <i> Defines the combined stack size for threads with user-provided stack size.
// <i> Default: 0
#ifndef OS_PRIVSTKSIZE
#define OS_PRIVSTKSIZE 384 // this stack size value is in words
#endif

// <q>Stack overflow checking
// <i> Enable stack overflow checks at thread switch.
// <i> Enabling this option increases slightly the execution time of a thread switch.
#ifndef OS_STKCHECK
#define OS_STKCHECK 1
#endif

// <q>Stack usage watermark
// <i> Initialize thread stack with watermark pattern for analyzing stack usage (current/maximum) in System and Thread Viewer.
// <i> Enabling this option increases significantly the execution time of osThreadCreate.
#ifndef OS_STKINIT
#define OS_STKINIT 0
#endif

// <o>Processor mode for thread execution
// <0=> Unprivileged mode
// <1=> Privileged mode
// <i> Default: Privileged mode
#ifndef OS_RUNPRIV
#define OS_RUNPRIV 1
#endif

// </h>

// <h>RTX Kernel Timer Tick Configuration
// ======================================
// <q> Use Cortex-M SysTick timer as RTX Kernel Timer
// <i> Cortex-M processors provide in most cases a SysTick timer that can be used as
// <i> as time-base for RTX.
#ifndef OS_SYSTICK
#define OS_SYSTICK 1
#endif
//
// <o>RTOS Kernel Timer input clock frequency [Hz] <1-1000000000>
// <i> Defines the input frequency of the RTOS Kernel Timer.
// <i> When the Cortex-M SysTick timer is used, the input clock
// <i> is on most systems identical with the core clock.
#ifndef OS_CLOCK
#define OS_CLOCK 180000000
#endif

// <o>RTX Timer tick interval value [us] <1-1000000>
// <i> The RTX Timer tick interval value is used to calculate timeout values.
// <i> When the Cortex-M SysTick timer is enabled, the value also configures the SysTick timer.
// <i> Default: 1000 (1ms)
#ifndef OS_TICK
#define OS_TICK 1000
#endif

// </h>

// <h>System Configuration
// =======================
//
// <e>Round-Robin Thread switching
// ===============================
//
// <i> Enables Round-Robin Thread switching.
#ifndef OS_ROBIN
#define OS_ROBIN 1
#endif

// <o>Round-Robin Timeout [ticks] <1-1000>
// <i> Defines how long a thread will execute before a thread switch.
// <i> Default: 5
#ifndef OS_ROBINTOUT
#define OS_ROBINTOUT 5
#endif

// </e>

// <e>User Timers
// ==============
// <i> Enables user Timers
#ifndef OS_TIMERS
#define OS_TIMERS 1
#endif

// <o>Timer Thread Priority
// <1=> Low
// <2=> Below Normal <3=> Normal <4=> Above Normal
// <5=> High
// <6=> Realtime (highest)
// <i> Defines priority for Timer Thread
// <i> Default: High
#ifndef OS_TIMERPRIO
#define OS_TIMERPRIO 5
#endif

// <o>Timer Thread stack size [bytes] <64-4096:8><#/4>
// <i> Defines stack size for Timer thread.
// <i> Default: 200
#ifndef OS_TIMERSTKSZ
#define OS_TIMERSTKSZ 128 // this stack size value is in words
#endif

// <o>Timer Callback Queue size <1-32>
// <i> Number of concurrent active timer callback functions.
// <i> Default: 4
#ifndef OS_TIMERCBQS
#define OS_TIMERCBQS 4
#endif

// </e>

// <o>ISR FIFO Queue size<4=> 4 entries <8=> 8 entries
// <12=> 12 entries <16=> 16 entries
// <24=> 24 entries <32=> 32 entries
// <48=> 48 entries <64=> 64 entries
// <96=> 96 entries
// <i> ISR functions store requests to this buffer,
// <i> when they are called from the interrupt handler.
// <i> Default: 16 entries
#ifndef OS_FIFOSZ
#define OS_FIFOSZ 16
#endif

// </h>

//------------- <<< end of configuration section >>> -----------------------

// Standard library system mutexes
// ===============================
// Define max. number system mutexes that are used to protect
// the arm standard runtime library. For microlib they are not used.
#ifndef OS_MUTEXCNT
#define OS_MUTEXCNT 8
#endif

/*----------------------------------------------------------------------------
* RTX User configuration part END
*---------------------------------------------------------------------------*/

#define OS_TRV ((uint32_t)(((double)OS_CLOCK*(double)OS_TICK)/1E6)-1)


/*----------------------------------------------------------------------------
* Global Functions
*---------------------------------------------------------------------------*/

/*--------------------------- os_idle_demon ---------------------------------*/

/// \brief The idle demon is running when no other thread is ready to run
void os_idle_demon (void) {

for (;;) {
/* HERE: include optional user code to be executed when no thread runs.*/
}
}

#if (OS_SYSTICK == 0) // Functions for alternative timer as RTX kernel timer

/*--------------------------- os_tick_init ----------------------------------*/

/// \brief Initializes an alternative hardware timer as RTX kernel timer
/// \return IRQ number of the alternative hardware timer
int os_tick_init (void) {
return (-1); /* Return IRQ number of timer (0..239) */
}

/*--------------------------- os_tick_val -----------------------------------*/

/// \brief Get alternative hardware timer's current value (0 .. OS_TRV)
/// \return Current value of the alternative hardware timer
uint32_t os_tick_val (void) {
return (0);
}

/*--------------------------- os_tick_ovf -----------------------------------*/

/// \brief Get alternative hardware timer's overflow flag
/// \return Overflow flag\n
/// - 1 : overflow
/// - 0 : no overflow
uint32_t os_tick_ovf (void) {
return (0);
}

/*--------------------------- os_tick_irqack --------------------------------*/

/// \brief Acknowledge alternative hardware timer interrupt
void os_tick_irqack (void) {
/* ... */
}

#endif // (OS_SYSTICK == 0)

/*--------------------------- os_error --------------------------------------*/

/* OS Error Codes */
#define OS_ERROR_STACK_OVF 1
#define OS_ERROR_FIFO_OVF 2
#define OS_ERROR_MBX_OVF 3
#define OS_ERROR_TIMER_OVF 4

extern osThreadId svcThreadGetId (void);

/// \brief Called when a runtime error is detected
/// \param[in] error_code actual error code that has been detected
void os_error (uint32_t error_code) {

/* HERE: include optional code to be executed on runtime error. */
switch (error_code) {
case OS_ERROR_STACK_OVF:
/* Stack overflow detected for the currently running task. */
/* Thread can be identified by calling svcThreadGetId(). */
break;
case OS_ERROR_FIFO_OVF:
/* ISR FIFO Queue buffer overflow detected. */
break;
case OS_ERROR_MBX_OVF:
/* Mailbox overflow detected. */
break;
case OS_ERROR_TIMER_OVF:
/* User Timer Callback Queue overflow detected. */
break;
}
for (;;);
}


/*----------------------------------------------------------------------------
* RTX Configuration Functions
*---------------------------------------------------------------------------*/

#include "RTX_CM_lib.h"

/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/
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