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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [HCS12_CodeWarrior_small/] [CODE/] [Cpu.C] - Rev 600
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/** ###################################################################
** THIS BEAN MODULE IS GENERATED BY THE TOOL. DO NOT MODIFY IT.
** Filename : Cpu.C
** Project : RTOSDemo
** Processor : MC9S12C32CFU
** Beantype : MC9S12C32_80
** Version : Bean 01.002, Driver 01.09, CPU db: 2.87.276
** Compiler : Metrowerks HC12 C Compiler
** Date/Time : 18/06/2005, 18:00
** Abstract :
** This bean "MC9S12C32_80" 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. 1997-2002
** UNIS, spol. s r.o.
** Jundrovska 33
** 624 00 Brno
** Czech Republic
** http : www.processorexpert.com
** mail : info@processorexpert.com
** ###################################################################*/
/* MODULE Cpu. */
#include "Byte1.h"
#include "TickTimer.h"
#include "ButtonInterrupt.h"
#include "PE_Types.h"
#include "PE_Error.h"
#include "PE_Const.h"
#include "IO_Map.h"
#include "PE_Timer.h"
#include "Events.h"
#include "Cpu.h"
#define CGM_DELAY 3071UL
/* Global variables */
volatile byte CCR_reg; /* Current CCR reegister */
byte CpuMode = HIGH_SPEED; /* Current speed mode */
/*
** ===================================================================
** Method : Cpu_Interrupt (bean MC9S12C32_80)
**
** Description :
** This method is internal. It is used by Processor Expert
** only.
** ===================================================================
*/
#pragma CODE_SEG __NEAR_SEG NON_BANKED /* Interrupt section for this module. Placement will be in NON_BANKED area. */
__interrupt void Cpu_Interrupt(void)
{
}
#pragma CODE_SEG DEFAULT /* Change code section to DEFAULT. */
/*
** ===================================================================
** Method : Cpu_DisableInt (bean MC9S12C32_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 MC9S12C32_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_SetStopMode (bean MC9S12C32_80)
**
** 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 MC9S12C32_80)
**
** Description :
** Set low power mode - Wait mode. For more information
** about the wait mode see documentation of this CPU.
** Release from Watch 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 MC9S12C32_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 */
#define INITRG_ADR 0x0011 /* Register map position register */
#pragma NO_FRAME
#pragma NO_EXIT
void _EntryPoint(void)
{
/*** ### MC9S12C32_80 "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=8; /* Set the RAM map position */
/* MISC: ??=0,??=0,??=0,??=0,EXSTR1=0,EXSTR0=0,ROMHM=0,ROMON=1 */
MISC=1;
/* System clock initialization */
CLKSEL=0;
CLKSEL_PLLSEL = 0; /* Select clock source from XTAL */
PLLCTL_PLLON = 0; /* Disable the PLL */
SYNR = 23; /* Set the multiplier register */
REFDV = 15; /* Set the divider register */
PLLCTL = 192;
PLLCTL_PLLON = 1; /* Enable the PLL */
while(!CRGFLG_LOCK); /* Wait */
CLKSEL_PLLSEL = 1; /* Select clock source from PLL */
/*** End of PE initialization code after reset ***/
__asm jmp _Startup; /* Jump to C startup code */
}
/*
** ===================================================================
** Method : PE_low_level_init (bean MC9S12C32_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 */
/* TSCR1: TEN=0,TSWAI=0,TSFRZ=1 */
output( TSCR1, input( TSCR1 ) & ~192 | 32 );
/* TCTL2: OM0=0,OL0=0 */
output( TCTL2, input( TCTL2 ) & ~3 );
/* TCTL1: OM7=0,OL7=0 */
output( TCTL1, input( TCTL1 ) & ~192 );
/* TIE: C0I=0 */
output( TIE, input( TIE ) & ~1 );
/* TTOV: TOV0=0 */
output( TTOV, input( TTOV ) & ~1 );
/* TSCR2: TOI=0,TCRE=1 */
output( TSCR2, input( TSCR2 ) & ~128 | 8 );
/* TIOS: IOS7=1,IOS0=1 */
output( TIOS, input( TIOS ) | 129 );
/* PPSP: PPSP0=0 */
output( PPSP, input( PPSP ) & ~1 );
/* PERP: PERP0=1 */
output( PERP, input( PERP ) | 1 );
/* DDRP: DDRP0=0 */
output( DDRP, input( DDRP ) & ~1 );
/* PWMCTL: PSWAI=0,PFRZ=0 */
output( PWMCTL, input( PWMCTL ) & ~12 );
/* PWMSDN: PWMIF=0,PWMIE=0,PWMRSTRT=0,PWMLVL=0,??=0,PWM7IN=0,PWM7INL=0,PWM7ENA=0 */
output( PWMSDN, 0 );
/* ### MC9S12C32_80 "Cpu" init code ... */
/* ### ByteIO "Byte1" init code ... */
PORTB = 0; /* Prepare value for output */
DDRB = 255; /* Set direction to output */
/* ### TimerInt "TickTimer" init code ... */
TickTimer_Init();
/* ### External interrupt "ButtonInterrupt" init code ... */
PIEP_PIEP0 = 0; /* Disable interrupt */
/* Common peripheral initialization - ENABLE */
/* TSCR1: TEN=1 */
output( TSCR1, input( TSCR1 ) | 128 );
INTCR_IRQEN = 0; /* Disable the IRQ interrupt. IRQ interrupt is enabled after CPU reset by default. */
__DI(); /* Disable interrupts */
}
/* END Cpu. */
/*
** ###################################################################
**
** This file was created by UNIS Processor Expert 03.33 for
** the Motorola HCS12 series of microcontrollers.
**
** ###################################################################
*/
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