/*----------------------------------------------------------------------------
 *      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     6
#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     50      // 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 50      // 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     0
#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 0       // 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       12000000
#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  50     // 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;
    default:
      break;
  }
  for (;;);
}
 

/*----------------------------------------------------------------------------
 *      RTX Configuration Functions
 *---------------------------------------------------------------------------*/
 
#include "RTX_CM_lib.h"
 
/*----------------------------------------------------------------------------
 * end of file
 *---------------------------------------------------------------------------*/
