cpu.c

ucos-ii for hc12 in codewarrior

/** ###################################################################
**     THIS BEAN MODULE IS GENERATED BY THE TOOL. DO NOT MODIFY IT.
**     Filename  : Cpu.C
**     Project   : _2006_01_02_PE
**     Processor : MC9S12H256CPV
**     Beantype  : MC9S12H256_112
**     Version   : Bean 01.009, Driver 01.19, CPU db: 2.87.329
**     Datasheet : 9S12H256BDGV1/D V01.16
**     Compiler  : Metrowerks HC12 C Compiler
**     Date/Time : 1/3/2006, 3:59 PM
**     Abstract  :
**         This bean "MC9S12H256_112" implements properties, methods,
**         and events of the CPU.
**     Settings  :
**
**     Contents  :
**         EnableInt   - void Cpu_EnableInt(void);
**         DisableInt  - void Cpu_DisableInt(void);
**         SetWaitMode - void Cpu_SetWaitMode(void);
**         SetStopMode - void Cpu_SetStopMode(void);
**
**     (c) Copyright UNIS, spol. s r.o. 1997-2004
**     UNIS, spol. s r.o.
**     Jundrovska 33
**     624 00 Brno
**     Czech Republic
**     http      : www.processorexpert.com
**     mail      : [e-mail]
** ###################################################################*/

/* MODULE Cpu. */

#include "Cpu.h"

#define CGM_DELAY  1023UL

#pragma DATA_SEG DEFAULT                                  

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


/*
** ===================================================================
**     Method      :  Cpu_Interrupt (bean MC9S12H256_112)
**
**     Description :
**         This method is internal. It is used by Processor Expert
**         only.
** ===================================================================
*/
#pragma CODE_SEG __NEAR_SEG NON_BANKED     

ISR(Cpu_Interrupt)
{
}
/*
** ===================================================================
**     Method      :  Cpu_SWINT (bean MC9S12H256_144)
**
**     Description :
**         This method is internal. It is used by Processor Expert
**         only.
** ===================================================================
*/
ISR(Cpu_SWINT)
{
  OSCtxSw();                       /* invoke an user interrupt */
}
#pragma CODE_SEG DEFAULT                                   

/*
** ===================================================================
**     Method      :  Cpu_DisableInt (bean MC9S12H256_112)
**
**     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 MC9S12H256_112)
**
**     Description :
**         Enable maskable interrupts
**     Parameters  : None
**     Returns     : Nothing
** ===================================================================
*/
/*
void Cpu_EnableInt(void)

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

/*
** ===================================================================
**     Method      :  Cpu_SetStopMode (bean MC9S12H256_112)
**
**     Description :
**         Set low power mode - Stop mode.
**         For more information about the stop mode see
**         documentation of this CPU.
**     Parameters  : None
**     Returns     : Nothing
** ===================================================================
*/
/*
void Cpu_SetStopMode(void)

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

/*
** ===================================================================
**     Method      :  Cpu_SetWaitMode (bean MC9S12H256_112)
**
**     Description :
**         Set low power mode - Wait mode.
**         For more information about the wait mode see
**         documentation of this CPU.
**         Release from Wait mode: Reset or interrupt
**     Parameters  : None
**     Returns     : Nothing
** ===================================================================
*/
/*
void Cpu_SetWaitMode(void)

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

/*
** ===================================================================
**     Method      :  _EntryPoint (bean MC9S12H256_112)
**
**     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 CODE_SEG __NEAR_SEG NON_BANKED     

#define INITRG_ADR  0x0011             /* Register map position register */

#pragma NO_FRAME
#pragma NO_EXIT
void _EntryPoint(void)
{
  /*** ### MC9S12H256CPV "Cpu" init code ... ***/
  /*** PE initialization code after reset ***/
  /* Initialization of the registers INITRG, INITRM, INITEE is done to protect them to be written accidentally later by the application */
  *(byte*)INITRG_ADR = 0;              /* Set the register map position */
  asm("nop");                          /* nop instruction */
  INITRM=1;                            /* Set the RAM map position */
  INITEE=1;                            /* Set the EEPROM map position */
  /* MISC: ??=0,??=0,??=0,??=0,EXSTR1=1,EXSTR0=1,ROMHM=0,ROMON=1 */
  MISC=13;
  /* PEAR: NOACCE=0,??=0,PIPOE=0,NECLK=1,LSTRE=0,RDWE=0,??=0,??=0 */
  PEAR=16;
  CLKSEL = 0;                          /* Select clock source from XTAL and set bits in CLKSEL reg. */
  /*** End of PE initialization code after reset ***/
  __asm("jmp _Startup");               /* Jump to C startup code */
}

#pragma CODE_SEG DEFAULT                                   

/*
** ===================================================================
**     Method      :  PE_low_level_init (bean MC9S12H256_112)
**
**     Description :
**         This method is internal. It is used by Processor Expert
**         only.
** ===================================================================
*/
void PE_low_level_init(void)
{
  /* Common initialization of the CPU registers */
  /* PWMCTL: PSWAI=0,PFRZ=0 */
  clrReg8Bits(PWMCTL, 12);              
  /* TSCR1: TSWAI=0,TSFRZ=0 */
  clrReg8Bits(TSCR1, 96);               
  /* ### MC9S12H256_112 "Cpu" init code ... */
  INTCR_IRQEN = 0;                     /* Disable the IRQ interrupt. IRQ interrupt is enabled after CPU reset by default. */
  __EI();                              /* Enable interrupts */
}

/* END Cpu. */

/*
** ###################################################################
**
**     This file was created by UNIS Processor Expert 2.95 [03.62]
**     for the Freescale HCS12 series of microcontrollers.
**
** ###################################################################
*/