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First version under SVN is V4.0.1
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Richard Barry
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233
Demo/HCS12_CodeWarrior_small/CODE/Cpu.C
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233
Demo/HCS12_CodeWarrior_small/CODE/Cpu.C
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/** ###################################################################
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** THIS BEAN MODULE IS GENERATED BY THE TOOL. DO NOT MODIFY IT.
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** Filename : Cpu.C
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** Project : RTOSDemo
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** Processor : MC9S12C32CFU
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** Beantype : MC9S12C32_80
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** Version : Bean 01.002, Driver 01.09, CPU db: 2.87.276
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** Compiler : Metrowerks HC12 C Compiler
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** Date/Time : 18/06/2005, 18:00
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** Abstract :
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** This bean "MC9S12C32_80" implements properties, methods,
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** and events of the CPU.
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** Settings :
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**
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** Contents :
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** EnableInt - void Cpu_EnableInt(void);
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** DisableInt - void Cpu_DisableInt(void);
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** SetWaitMode - void Cpu_SetWaitMode(void);
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** SetStopMode - void Cpu_SetStopMode(void);
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**
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** (c) Copyright UNIS, spol. s r.o. 1997-2002
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** UNIS, spol. s r.o.
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** Jundrovska 33
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** 624 00 Brno
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** Czech Republic
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** http : www.processorexpert.com
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** mail : info@processorexpert.com
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** ###################################################################*/
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/* MODULE Cpu. */
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#include "Byte1.h"
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#include "TickTimer.h"
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#include "ButtonInterrupt.h"
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#include "PE_Types.h"
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#include "PE_Error.h"
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#include "PE_Const.h"
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#include "IO_Map.h"
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#include "PE_Timer.h"
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#include "Events.h"
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#include "Cpu.h"
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#define CGM_DELAY 3071UL
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/* Global variables */
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volatile byte CCR_reg; /* Current CCR reegister */
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byte CpuMode = HIGH_SPEED; /* Current speed mode */
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/*
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** ===================================================================
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** Method : Cpu_Interrupt (bean MC9S12C32_80)
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**
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** Description :
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** This method is internal. It is used by Processor Expert
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** only.
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** ===================================================================
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*/
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#pragma CODE_SEG __NEAR_SEG NON_BANKED /* Interrupt section for this module. Placement will be in NON_BANKED area. */
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__interrupt void Cpu_Interrupt(void)
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{
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}
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#pragma CODE_SEG DEFAULT /* Change code section to DEFAULT. */
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/*
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** ===================================================================
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** Method : Cpu_DisableInt (bean MC9S12C32_80)
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**
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** Description :
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** Disable maskable interrupts
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** Parameters : None
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** Returns : Nothing
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** ===================================================================
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*/
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/*
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void Cpu_DisableInt(void)
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** This method is implemented as macro in the header module. **
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*/
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/*
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** ===================================================================
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** Method : Cpu_EnableInt (bean MC9S12C32_80)
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**
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** Description :
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** Enable maskable interrupts
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** Parameters : None
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** Returns : Nothing
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** ===================================================================
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*/
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/*
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void Cpu_EnableInt(void)
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** This method is implemented as macro in the header module. **
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*/
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/*
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** ===================================================================
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** Method : Cpu_SetStopMode (bean MC9S12C32_80)
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**
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** Description :
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** Set low power mode - Stop mode. For more information
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** about the stop mode see documentation of this CPU.
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** Parameters : None
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** Returns : Nothing
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** ===================================================================
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*/
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/*
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void Cpu_SetStopMode(void)
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** This method is implemented as macro in the header module. **
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*/
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/*
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** ===================================================================
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** Method : Cpu_SetWaitMode (bean MC9S12C32_80)
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**
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** Description :
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** Set low power mode - Wait mode. For more information
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** about the wait mode see documentation of this CPU.
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** Release from Watch mode: Reset or interrupt
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** Parameters : None
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** Returns : Nothing
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** ===================================================================
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*/
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/*
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void Cpu_SetWaitMode(void)
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** This method is implemented as macro in the header module. **
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*/
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/*
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** ===================================================================
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** Method : _EntryPoint (bean MC9S12C32_80)
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**
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** Description :
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** This method is internal. It is used by Processor Expert
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** only.
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** ===================================================================
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*/
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extern void _Startup(void); /* Forward declaration of external startup function declared in file Start12.c */
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#define INITRG_ADR 0x0011 /* Register map position register */
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#pragma NO_FRAME
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#pragma NO_EXIT
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void _EntryPoint(void)
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{
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/*** ### MC9S12C32_80 "Cpu" init code ... ***/
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/*** PE initialization code after reset ***/
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/* Initialization of the registers INITRG, INITRM, INITEE is done to protect them to be written accidentally later by the application */
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*(byte*)INITRG_ADR = 0; /* Set the register map position */
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asm nop; /* nop instruction */
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INITRM=8; /* Set the RAM map position */
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/* MISC: ??=0,??=0,??=0,??=0,EXSTR1=0,EXSTR0=0,ROMHM=0,ROMON=1 */
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MISC=1;
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/* System clock initialization */
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CLKSEL=0;
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CLKSEL_PLLSEL = 0; /* Select clock source from XTAL */
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PLLCTL_PLLON = 0; /* Disable the PLL */
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SYNR = 23; /* Set the multiplier register */
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REFDV = 15; /* Set the divider register */
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PLLCTL = 192;
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PLLCTL_PLLON = 1; /* Enable the PLL */
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while(!CRGFLG_LOCK); /* Wait */
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CLKSEL_PLLSEL = 1; /* Select clock source from PLL */
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/*** End of PE initialization code after reset ***/
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__asm jmp _Startup; /* Jump to C startup code */
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}
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/*
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** ===================================================================
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** Method : PE_low_level_init (bean MC9S12C32_80)
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**
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** Description :
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** This method is internal. It is used by Processor Expert
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** only.
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** ===================================================================
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*/
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void PE_low_level_init(void)
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{
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/* Common initialization of the CPU registers */
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/* TSCR1: TEN=0,TSWAI=0,TSFRZ=1 */
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output( TSCR1, input( TSCR1 ) & ~192 | 32 );
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/* TCTL2: OM0=0,OL0=0 */
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output( TCTL2, input( TCTL2 ) & ~3 );
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/* TCTL1: OM7=0,OL7=0 */
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output( TCTL1, input( TCTL1 ) & ~192 );
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/* TIE: C0I=0 */
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output( TIE, input( TIE ) & ~1 );
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/* TTOV: TOV0=0 */
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output( TTOV, input( TTOV ) & ~1 );
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/* TSCR2: TOI=0,TCRE=1 */
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output( TSCR2, input( TSCR2 ) & ~128 | 8 );
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/* TIOS: IOS7=1,IOS0=1 */
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output( TIOS, input( TIOS ) | 129 );
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/* PPSP: PPSP0=0 */
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output( PPSP, input( PPSP ) & ~1 );
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/* PERP: PERP0=1 */
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output( PERP, input( PERP ) | 1 );
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/* DDRP: DDRP0=0 */
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output( DDRP, input( DDRP ) & ~1 );
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/* PWMCTL: PSWAI=0,PFRZ=0 */
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output( PWMCTL, input( PWMCTL ) & ~12 );
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/* PWMSDN: PWMIF=0,PWMIE=0,PWMRSTRT=0,PWMLVL=0,??=0,PWM7IN=0,PWM7INL=0,PWM7ENA=0 */
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output( PWMSDN, 0 );
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/* ### MC9S12C32_80 "Cpu" init code ... */
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/* ### ByteIO "Byte1" init code ... */
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PORTB = 0; /* Prepare value for output */
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DDRB = 255; /* Set direction to output */
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/* ### TimerInt "TickTimer" init code ... */
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TickTimer_Init();
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/* ### External interrupt "ButtonInterrupt" init code ... */
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PIEP_PIEP0 = 0; /* Disable interrupt */
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/* Common peripheral initialization - ENABLE */
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/* TSCR1: TEN=1 */
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output( TSCR1, input( TSCR1 ) | 128 );
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INTCR_IRQEN = 0; /* Disable the IRQ interrupt. IRQ interrupt is enabled after CPU reset by default. */
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__DI(); /* Disable interrupts */
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}
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/* END Cpu. */
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/*
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** ###################################################################
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**
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** This file was created by UNIS Processor Expert 03.33 for
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** the Motorola HCS12 series of microcontrollers.
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**
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** ###################################################################
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*/
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