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This file is part of my co-routines framework for small microcontrollers

by Isaac Marino Bavaresco

This is file "C-R.h"

/*============================================================================*/
/*
 Copyright (c) 2014, Isaac Marino Bavaresco
 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.
     * Neither the name of the author 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 AUTHOR ''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 THE AUTHOR 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.
*/
/*============================================================================*/
#if         !defined __C_R_H__
#define __C_R_H__
/*============================================================================*/

/*----------------------------------------------------------------------------*/
#if         defined __PICC__    /* HI-TECH PICC */
/*----------------------------------------------------------------------------*/

    #include <pic.h>
    #define DISABLEINTERRUPT()  (GIE=0)
    #define ENABLEINTERRUPT()   (GIE=1)
    #define CLEARWATCHDOG()     CLRWDT()
    typedef void                mainreturn_t;

/*----------------------------------------------------------------------------*/
#elif       defined __PICC18__  /* HI-TECH PICC18 */
/*----------------------------------------------------------------------------*/

    #include <pic18.h>
    #define DISABLEINTERRUPT()  (GIE=0)
    #define ENABLEINTERRUPT()   (GIE=1)
    #define CLEARWATCHDOG()     CLRWDT()
    typedef void                mainreturn_t;

/*----------------------------------------------------------------------------*/
#elif       defined __18CXX     /* MPLAB-C18 or XC8 */
/*----------------------------------------------------------------------------*/

    #include <p18cxxx.h>
    #define DISABLEINTERRUPT()  (PIE1bits.TMR1IE=0)
    #define ENABLEINTERRUPT()   (PIE1bits.TMR1IE=1)
    #define CLEARWATCHDOG()     ClrWdt()
    typedef void                mainreturn_t;

/*----------------------------------------------------------------------------*/
#elif       defined __XC16__
/*----------------------------------------------------------------------------*/

    #define DISABLEINTERRUPT()  (IEC0bits.T1IE=0)
    #define ENABLEINTERRUPT()   (IEC0bits.T1IE=1)
    #define CLEARWATCHDOG()     ClrWdt()
    typedef int                 mainreturn_t;

    /*------------------------------------------------------------------------*/
    #if       defined __PIC24E__
    /*------------------------------------------------------------------------*/

        #include <p24exxxx.h>
        #error Not working due to a suspected bug in XC16 compiler.
    
    /*------------------------------------------------------------------------*/
    #elif       defined __dsPIC33E__
    /*------------------------------------------------------------------------*/
    
        #include <p33exxxx.h>
        #error Not working due to a suspected bug in XC16 compiler.
    
    /*------------------------------------------------------------------------*/
    #elif       defined __PIC24H__
    /*------------------------------------------------------------------------*/
    
        #include <p24hxxxx.h>
    
    /*------------------------------------------------------------------------*/
    #elif       defined __PIC24F__ || defined __PIC24FK__
    /*------------------------------------------------------------------------*/
    
        #include <p24fxxxx.h>
    
    /*------------------------------------------------------------------------*/
    #elif       defined __dsPIC30F__
    /*------------------------------------------------------------------------*/
    
        #include <p30fxxxx.h>
    
    /*------------------------------------------------------------------------*/
    #elif       defined __dsPIC33F__
    /*------------------------------------------------------------------------*/
    
        #include <p33fxxxx.h>

    /*------------------------------------------------------------------------*/
    #else   /*  defined __dsPIC33F__ */
    /*------------------------------------------------------------------------*/

        #error Device not supported.

    /*------------------------------------------------------------------------*/
    #endif  /*  defined __PIC24E__ */
    /*------------------------------------------------------------------------*/

/*----------------------------------------------------------------------------*/
#elif       defined __PIC32MX__
/*----------------------------------------------------------------------------*/

    #include <p32xxxx.h>
    #define DISABLEINTERRUPT()  (IEC0bits.T1IE=0)
    #define ENABLEINTERRUPT()   (IEC0bits.T1IE=1)
    #define CLEARWATCHDOG()
    typedef int                 mainreturn_t;

/*----------------------------------------------------------------------------*/
#endif  /*  defined __18CXX */
/*----------------------------------------------------------------------------*/

/*============================================================================*/
#include <string.h>
/*============================================================================*/
#define USE_POINTERS
/*============================================================================*/
#define BASIC_TICK_TYPE long

typedef unsigned BASIC_TICK_TYPE    tickcount_t;
typedef signed BASIC_TICK_TYPE      tickcompare_t;
typedef signed char                 taskreturn_t;

typedef taskreturn_t                (*taskptr_t)( void );
extern volatile tickcount_t         SystemTick;

#define INCREMENTTICK()             (SystemTick++)

/*============================================================================*/
#define TaskEnd()   }

#undef Sleep
#if 0

#define TaskStart() static int __State=0;switch(__State){default:case 0:
#define Yield(n)    do{__State=__LINE__;return 0;case __LINE__:;}while(0)
#define Sleep(n,t)  do{__State=__LINE__;_Sleep(t);return -1;case __LINE__:;}while(0)

#else

#define TaskStart() static unsigned char __State=0;switch(__State){default:case 0:
#define Yield(n)    do{__State=(n);return 0;case (n):;}while(0)
#define Sleep(n,t)  do{__State=(n);_Sleep(t);return -1;case (n):;}while(0)

#endif

#define Finish()    do{__State=0;return -1;}while(0)

/*============================================================================*/

/*----------------------------------------------------------------------------*/
#if         defined USE_POINTERS
/*----------------------------------------------------------------------------*/

typedef struct task_tag *ctxtptr_t;

typedef struct task_tag
    {
    taskptr_t       TaskFunction;
    ctxtptr_t       Next;
    ctxtptr_t       Previous;
    tickcount_t     TimeToWake;
    } task_t;

/*----------------------------------------------------------------------------*/
#else   /*  defined USE_POINTERS */
/*----------------------------------------------------------------------------*/

typedef unsigned char   ctxtptr_t;

typedef struct
    {
    taskptr_t       TaskFunction;
    ctxtptr_t       Next;
    ctxtptr_t       Previous;
    unsigned char   dummy;      /* Just to make the structure length a power of two */
    tickcount_t     TimeToWake;
    } task_t;

/*----------------------------------------------------------------------------*/
#endif  /*  defined USE_POINTERS */
/*----------------------------------------------------------------------------*/

/*============================================================================*/

extern task_t               Tasks[];
extern const unsigned char  __NumTasks;

#define DECLARETASKS(n) task_t Tasks[(n)];const unsigned char __NumTasks=(n)

/*============================================================================*/

ctxtptr_t           CreateTask      ( taskptr_t task );
void                _Sleep          ( tickcompare_t t );
taskreturn_t        Task1           ( void );
void                InitializeTimer ( void );

/*============================================================================*/
#endif  /*  !defined __C_R_H__ */
/*============================================================================*/


file: /Techref/member/IMB-yahoo-J86/C-R.h.htm, 9KB, , updated: 2014/2/20 19:15, local time: 2022/7/4 20:11, owner: IMB-yahoo-J86,
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