prt_p12.h

MicroChip等单片机开发的专业RTOS,源代码

#ifndef _JA_PRT_H
#define _JA_PRT_H

#define __task

#define OS_MSG_FAR const
#define OS_MSG_NEAR near

#ifndef OS_FAST_CALL
  #define OS_FAST_CALL fastcall
#endif

#define OS_PICVER\
  asm("save_address macro");\
  asm("  local label,label_out");\
  asm("  global _os_cur_task");\
  asm("  incf  _os_cur_task,w");\
  asm("  movwf fsr");\
  asm("  movlw low label_out");\
  asm("  movwf indf");\
  asm("  global _OS_Return");\
  asm("  ljmp   _OS_Return");\
  asm("label:");\
  asm("  psect strings");\
  asm("label_out: ljmp label");\
  asm("endm");


#define OS_Cooperate()\
{\
  os_status.state_parts.task_run = FALSE;\
  asm("save_address ");\
}

#undef OS_VAR_LOC
#if !defined(OS_USE_BANK) ||  OS_USE_BANK == 0
  #define OS_VAR_LOC
#else
  #define OS_VAR_LOC bank1
#endif

#define OS_Task_Switch()\
{\
  asm("incf _os_cur_task,w");\
  asm("movwf fsr");\
  asm("movf indf,w");\
  asm("global stringbase");\
  asm("bsf status,(high stringbase >> 1)*5");\
  asm("clrf fsr");\
  asm("movwf pcl");\
}

#define OS_Tree_Rest(a)\
{\
  asm("fncall _OS_Kernel,_" #a);\
}

#define OS_RTN_LABEL()\
{\
  asm("global _OS_Return");\
  asm("_OS_Return:");\
}

#ifndef OS_Is_Timer
  #define OS_Is_Timer() TMR0 & 0x80
#endif

#ifndef OS_Timer_Tick_Set
  #define OS_Timer_Tick_Set()\
  {\
    TMR0 -= OS_TMR_TICK/2;\
  }
#endif

#if OS_SCHED_LOCKED == FALSE
  #define OS_Scheduler()\
  {\
    asm("global _OS_Kernel");\
    asm("fncall _main,_OS_Kernel");\
    asm("goto _OS_Kernel");\
    OS_RTN_LABEL();\
    asm("clrf fsr");\
  }
#endif

#define OS_Bank(a) (char)((OST_U16)(a) & 0x00FF)

#endif // _JA_PRT_H