cpu.c

基于MC908LK24 MCU的热量表程序

/*
** ###################################################################
**
**     THIS BEAN MODULE IS GENERATED BY THE TOOL. DO NOT MODIFY IT.
**
**     Filename  : Cpu.C
**
**     Project   : LK24E
** 
**     Processor : MC68HC908LK24FAC_80
**
**     Beantype  : MC68HC908LK24_80
**
**     Version   : Bean 01.001, Driver 01.17, CPU db: 2.89.000
**
**     Compiler  : Metrowerks HC08 C Compiler
**
**     Date/Time : 2004-1-3, 17:14
**
**     Abstract  :
**
**         This bean "MC68HC908LK24_80" implements properties, methods,
**         and events of the CPU.
**
**     Settings  :
**
**         Clock setting
**             External clock      : 0.032768 MHz
**             CPU mode selection  : Monitor mode
**             Initialization interrupt priority : 1
**             LVI module          : no
**
**         Speed modes
**             High speed clock    : Main clock frequency / 1
**             Internal bus clock  : 0.008192 MHz
**             Low speed mode      : Disabled
**             Slow speed mode     : Disabled
**
**     Contents  :
**
**         GetSpeedMode - byte Cpu_GetSpeedMode(void);
**         EnableInt    - void Cpu_EnableInt(void);
**         DisableInt   - void Cpu_DisableInt(void);
**
**
**     (c) Copyright UNIS, spol. s r.o. 1997-2002
**
**     UNIS, spol. s r.o.
**     Jundrovska 33
**     624 00 Brno
**     Czech Republic
**
**     http      : www.processorexpert.com
**     mail      : [e-mail]
**
** ###################################################################
*/

/* MODULE Cpu. */

#include "PE_Types.h"
#include "PE_Error.h"
#include "PE_Const.h"
#include "IO_Map.h"
#include "Events.h"
#include "Cpu.h"

#define CGM_DELAY  255


/* Global variables */
volatile byte CCR_reg;                 /* Current CCR register */
byte CpuMode = HIGH_SPEED;             /* Current speed mode */


/*
** ===================================================================
**     Method      :  Cpu_Interrupt (bean MC68HC908LK24_80)
**
**     Description :
**         This method is internal. It is used by Processor Expert
**         only.
** ===================================================================
*/
__interrupt void Cpu_Interrupt(void)
{
}

/*
** ===================================================================
**     Method      :  Cpu_SWIInterrupt (bean MC68HC908LK24_80)
**
**     Description :
**         This method is internal. It is used by Processor Expert
**         only.
** ===================================================================
*/
__interrupt void Cpu_SWIInterrupt(void)
{
  Cpu_OnSwINT();                       /* Invoke user event */
}

/*
** ===================================================================
**     Method      :  Cpu_DisableInt (bean MC68HC908LK24_80)
**
**     Description :
**         Disable maskable interrupts
**     Parameters  : None
**     Returns     : Nothing
** ===================================================================
*/
/*
void Cpu_DisableInt(void)

**      This method is implemented as macro in the header module. **
*/

/*
** ===================================================================
**     Method      :  Cpu_EnableInt (bean MC68HC908LK24_80)
**
**     Description :
**         Enable maskable interrupts
**     Parameters  : None
**     Returns     : Nothing
** ===================================================================
*/
/*
void Cpu_EnableInt(void)

**      This method is implemented as macro in the header module. **
*/

/*
** ===================================================================
**     Method      :  Cpu_GetSpeedMode (bean MC68HC908LK24_80)
**
**     Description :
**         Get current speed mode
**     Parameters  : None
**     Returns     :
**         ---             - Speed mode (HIGH_SPEED, LOW_SPEED,
**                           SLOW_SPEED)
** ===================================================================
*/
byte Cpu_GetSpeedMode(void)
{
  return CpuMode;                      /* Result the actual cpu mode */
}



/*
** ===================================================================
**     Method      :  _EntryPoint (bean MC68HC908LK24_80)
**
**     Description :
**         This method is internal. It is used by Processor Expert
**         only.
** ===================================================================
*/
extern void _Startup(void);            /* Forward declaration of external startup function declared in file Start12.c */
#pragma NO_FRAME
#pragma NO_EXIT
void _EntryPoint(void)
{
  /*** ### MC68HC908LK24_80 "Cpu" init code ... ***/
  /*** PE initialization code after reset ***/
  /* System clock initialization */
  /* CONFIG1: COPRS=0,LVISTOP=0,LVIRSTD=0,LVIPWRD=1,??=0,SSREC=0,STOP=0,COPD=1 */
  CONFIG1 = 17;                        /* Set the CONFIG1 register */
  /* CONFIG2: PEE=0,STOP_IRCDIS=0,STOP_XCLKEN=0,DIV2CLK=0,PCEH=0,PCEL=0,LVISEL1=0,LVISEL0=0 */
  CONFIG2 = 0;                         /* Set the CONFIG2 register */
  /*** End of PE initialization code after reset ***/

  __asm   jmp _Startup ;               /* Jump to C startup code */

}

/*
** ===================================================================
**     Method      :  PE_low_level_init (bean MC68HC908LK24_80)
**
**     Description :
**         This method is internal. It is used by Processor Expert
**         only.
** ===================================================================
*/
void PE_low_level_init(void)
{
  /* Common initialization of the CPU registers */
  /* ### MC68HC908LK24_80 "Cpu" init code ... */
  __EI();                              /* Enable interrupts */
}

/* END Cpu. */

/*
** ###################################################################
**
**     This file was created by UNIS Processor Expert 03.23 for 
**     the Motorola HC08 series of microcontrollers.
**
** ###################################################################
*/