cpu.c

MC9S08DZ60的一个SPI实例！比较适合初学者阅读！

/** ###################################################################
**     THIS BEAN MODULE IS GENERATED BY THE TOOL. DO NOT MODIFY IT.
**     Filename  : Cpu.C
**     Project   : Project
**     Processor : MC9S08DZ60MLF
**     Beantype  : MC9S08DZ60_48
**     Version   : Bean 01.036, Driver 01.29, CPU db: 2.87.131
**     Datasheet : MC9S08DZ60 Rev. 1 Draft G 2/2007
**     Compiler  : CodeWarrior HCS08 C Compiler
**     Date/Time : 2008-12-10, 上午 09:28
**     Abstract  :
**         This bean "MC9S08DZ60_48" contains initialization of the
**         CPU and provides basic methods and events for CPU core
**         settings.
**     Settings  :
**
**     Contents  :
**         EnableInt  - void Cpu_EnableInt(void);
**         DisableInt - void Cpu_DisableInt(void);
**
**     (c) Copyright UNIS, spol. s r.o. 1997-2006
**     UNIS, spol. s r.o.
**     Jundrovska 33
**     624 00 Brno
**     Czech Republic
**     http      : www.processorexpert.com
**     mail      : [e-mail]
** ###################################################################*/

/* MODULE Cpu. */

#pragma MESSAGE DISABLE C4002 /* WARNING C4002: Result not used is ignored */

#include "SM1.h"
#include "PE_Types.h"
#include "PE_Error.h"
#include "PE_Const.h"
#include "IO_Map.h"
#include "Events.h"
#include "Cpu.h"


/* Global variables */
volatile byte CCR_reg;                 /* Current CCR register */


/*
** ===================================================================
**     Method      :  Cpu_Interrupt (bean MC9S08DZ60_48)
**
**     Description :
**         The method services unhandled interrupt vectors.
**         This method is internal. It is used by Processor Expert only.
** ===================================================================
*/
ISR(Cpu_Interrupt)
{
}



/*
** ===================================================================
**     Method      :  Cpu_DisableInt (bean MC9S08DZ60_48)
**
**     Description :
**         Disables maskable interrupts
**     Parameters  : None
**     Returns     : Nothing
** ===================================================================
*/
/*
void Cpu_DisableInt(void)

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

/*
** ===================================================================
**     Method      :  Cpu_EnableInt (bean MC9S08DZ60_48)
**
**     Description :
**         Enables maskable interrupts
**     Parameters  : None
**     Returns     : Nothing
** ===================================================================
*/
/*
void Cpu_EnableInt(void)

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

/*
** ===================================================================
**     Method      :  _EntryPoint (bean MC9S08DZ60_48)
**
**     Description :
**         Initializes the whole system like timing and so on. At the end 
**         of this function, the C startup is invoked to initialize stack,
**         memory areas and so on.
**         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)
{
  /* ### MC9S08DZ60_48 "Cpu" init code ... */
  /*  PE initialization code after reset */
  /* Common initialization of the write once registers */
  /* SOPT1: COPT=0,STOPE=0,SCI2PS=0,IICPS=0,??=0,??=0,??=0 */
  setReg8(SOPT1, 0x00);                 
  /* SOPT2: COPCLKS=0,COPW=0,??=0,ADHTS=0,??=0,MCSEL=0 */
  setReg8(SOPT2, 0x00);                 
  /* SPMSC1: LVWF=0,LVWACK=0,LVWIE=0,LVDRE=1,LVDSE=1,LVDE=1,??=0,BGBE=0 */
  setReg8(SPMSC1, 0x1C);                
  /* SPMSC2: ??=0,??=0,LVDV=0,LVWV=0,PPDF=0,PPDACK=0,??=0,PPDC=0 */
  setReg8(SPMSC2, 0x00);                
  /*  System clock initialization */
  MCGTRM = *(unsigned char*)0xFFAF;    /* Initialize MCGTRM register from a non volatile memory */
  MCGSC = *(unsigned char*)0xFFAE;     /* Initialize MCGSC register from a non volatile memory */
  /* MCGC2: BDIV=1,RANGE=0,HGO=0,LP=0,EREFS=0,ERCLKEN=1,EREFSTEN=0 */
  setReg8(MCGC2, 0x42);                /* Set MCGC2 register */ 
  /* MCGC1: CLKS=0,RDIV=0,IREFS=1,IRCLKEN=1,IREFSTEN=0 */
  setReg8(MCGC1, 0x06);                /* Set MCGC1 register */ 
  /* MCGC3: LOLIE=0,PLLS=0,CME=0,??=0,VDIV=1 */
  setReg8(MCGC3, 0x01);                /* Set MCGC3 register */ 
  while(!MCGSC_LOCK) {                 /* Wait until FLL is locked */
  }
  
  /*** End of PE initialization code after reset ***/

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

}

/*
** ===================================================================
**     Method      :  PE_low_level_init (bean MC9S08DZ60_48)
**
**     Description :
**         Initializes beans and provides common register initialization. 
**         The method is called automatically as a part of the 
**         application initialization code.
**         This method is internal. It is used by Processor Expert only.
** ===================================================================
*/
void PE_low_level_init(void)
{
  /* Common initialization of the CPU registers */
  /* PTEDD: PTEDD5=0,PTEDD4=0,PTEDD3=1 */
  clrSetReg8Bits(PTEDD, 0x30, 0x08);    
  /* PTED: PTED3=0 */
  clrReg8Bits(PTED, 0x08);              
  /* PTASE: PTASE7=0,PTASE6=0,PTASE5=0,PTASE4=0,PTASE3=0,PTASE2=0,PTASE1=0,PTASE0=0 */
  setReg8(PTASE, 0x00);                 
  /* PTBSE: PTBSE7=0,PTBSE6=0,PTBSE5=0,PTBSE4=0,PTBSE3=0,PTBSE2=0,PTBSE1=0,PTBSE0=0 */
  setReg8(PTBSE, 0x00);                 
  /* PTDSE: PTDSE7=0,PTDSE6=0,PTDSE5=0,PTDSE4=0,PTDSE3=0,PTDSE2=0,PTDSE1=0,PTDSE0=0 */
  setReg8(PTDSE, 0x00);                 
  /* PTESE: PTESE7=0,PTESE6=0,PTESE5=0,PTESE4=0,PTESE3=0,PTESE2=0,PTESE0=0 */
  clrReg8Bits(PTESE, 0xFD);             
  /* PTFSE: PTFSE5=0,PTFSE4=0,PTFSE3=0,PTFSE2=0,PTFSE1=0,PTFSE0=0 */
  clrReg8Bits(PTFSE, 0x3F);             
  /* PTGSE: PTGSE1=0,PTGSE0=0 */
  clrReg8Bits(PTGSE, 0x03);             
  /* PTADS: PTADS7=1,PTADS6=1,PTADS5=1,PTADS4=1,PTADS3=1,PTADS2=1,PTADS1=1,PTADS0=1 */
  setReg8(PTADS, 0xFF);                 
  /* PTBDS: PTBDS7=1,PTBDS6=1,PTBDS5=1,PTBDS4=1,PTBDS3=1,PTBDS2=1,PTBDS1=1,PTBDS0=1 */
  setReg8(PTBDS, 0xFF);                 
  /* PTDDS: PTDDS7=1,PTDDS6=1,PTDDS5=1,PTDDS4=1,PTDDS3=1,PTDDS2=1,PTDDS1=1,PTDDS0=1 */
  setReg8(PTDDS, 0xFF);                 
  /* PTEDS: PTEDS7=1,PTEDS6=1,PTEDS5=1,PTEDS4=1,PTEDS3=1,PTEDS2=1,PTEDS1=0,PTEDS0=1 */
  setReg8(PTEDS, 0xFD);                 
  /* PTFDS: PTFDS7=0,PTFDS6=0,PTFDS5=1,PTFDS4=1,PTFDS3=1,PTFDS2=1,PTFDS1=1,PTFDS0=1 */
  setReg8(PTFDS, 0x3F);                 
  /* PTGDS: ??=0,??=0,PTGDS5=0,PTGDS4=0,PTGDS3=0,PTGDS2=0,PTGDS1=1,PTGDS0=1 */
  setReg8(PTGDS, 0x03);                 
  /* ### Shared modules init code ... */
  /* ###  Synchro master "SM1" init code ... */
  SM1_Init();
  __EI();                              /* Enable interrupts */
}

/* Initialization of the CPU registers in FLASH */

/* NVPROT: EPS=3,FPS=0x3F */
const unsigned char NVPROT_INIT @0x0000FFBD = 0xFF;

/* NVOPT: KEYEN=0,FNORED=1,EPGMOD=1,??=1,??=1,??=1,SEC1=1,SEC0=0 */
const unsigned char NVOPT_INIT @0x0000FFBF = 0x7E;

/* END Cpu. */

/*
** ###################################################################
**
**     This file was created by UNIS Processor Expert 3.01 [03.92]
**     for the Freescale HCS08 series of microcontrollers.
**
** ###################################################################
*/