s12_page.h

PWM Generation Using HCS12 Timer Channels

/*****************************************************************************/
/*                                             COPYRIGHT (c) MOTOROLA 2002   */
/*                                                                           */
/* File Name          :    $RCSfile: s12_page.h,v $							 */
/*                                                                           */
/* Current Revision :      $Revision: 1.2 $                                  */
/*                                                                           */
/* PURPOSE: header file for HCS12 Page (MEBI) register block	   			 */
/*                                                                           */
/*  ***********************************************************************  */
/*  *  THIS CODE IS ONLY INTENDED AS AN EXAMPLE OF CODE FOR THE           *  */
/*  *  METROWERKS COMPILER AND THE STAR12 EVB AND HAS ONLY BEEN GIVEN A   *  */
/*  *  MIMIMUM LEVEL OF TEST. IT IS PROVIDED 'AS SEEN' WITH NO GUARANTEES *  */
/*  *  AND NO PROMISE OF SUPPORT.                                         *  */
/*  ***********************************************************************  */
/*                                                                           */
/*                                                                           */
/* DESCRIPTION:  Defines the paging (MEBI) register block as a datastructure */
/*               of type tPAGE.                                              */
/* 																		     */
/* PAGE module base address (out of reset) -                                 */
/*                                                                           */
/* S12DP256      : 0x0030                                                    */
/*																			 */
/* The datastructure compiled can be determined by the #define's S12DP256,   */
/* S12xxx, etc. These definitions can be found in "s12_common.h".            */
/* The MCU id can be #defined in a "target.h" header file or included as a   */
/* complier command line argument as -DS12DP256.                             */
/* Currently only S12DP256 is supported.									 */
/*																			 */
/* Multiple register descriptions are used when a differing bit structure    */
/* exists between parts. In the case of additional bit definitions within    */
/* the same register, then only the full register description is used.       */
/*                                                                           */
/*                                                                           */
/* AUTHOR: R32151            LOCATION: SPSEKB      LAST EDIT DATE: 14/03/02  */
/*                                                                           */
/* UPDATE HISTORY                                                            */
/* REV  AUTHOR       DATE       DESCRIPTION OF CHANGE                        */
/* ---  ------      --------    ---------------------                        */
/* 1.00	r32151  	28/4/00                                                  */
/* 1.01 r32151  	10/5/00 	- changed bit/mask names on Port K           */
/*                                consistant with PIM ports	                 */
/*     							- Changed #include <s12_common.h> 		     */
/* 							      to #include "s12_common.h"			     */
/* 1.1  r32151      11/03/02	- Added disclaimer and reformated file info. */
/*                              - Modified revision numbering to match RCS   */
/* 1.2  r32151      14/03/02	- Declared all registers volatile 	 		 */
/*                                                                           */
/*===========================================================================*/
/* Motorola reserves the right to make changes without further notice to any */
/* product herein to improve reliability, function, or design. Motorola does */
/* not assume any  liability arising  out  of the  application or use of any */
/* product,  circuit, or software described herein;  neither  does it convey */
/* any license under its patent rights  nor the  rights of others.  Motorola */
/* products are not designed, intended,  or authorized for use as components */
/* in  systems  intended  for  surgical  implant  into  the  body, or  other */
/* applications intended to support life, or  for any  other application  in */
/* which the failure of the Motorola product  could create a situation where */
/* personal injury or death may occur. Should Buyer purchase or use Motorola */
/* products for any such intended  or unauthorized  application, Buyer shall */
/* indemnify and  hold  Motorola  and its officers, employees, subsidiaries, */
/* affiliates,  and distributors harmless against all claims costs, damages, */
/* and expenses, and reasonable  attorney  fees arising  out of, directly or */
/* indirectly,  any claim of personal injury  or death  associated with such */
/* unintended or unauthorized use, even if such claim alleges that  Motorola */
/* was negligent regarding the  design  or manufacture of the part. Motorola */
/* and the Motorola logo* are registered trademarks of Motorola Ltd.         */
/*****************************************************************************/

#ifndef S12_PAGE_H			/*prevent duplicated includes */
#define S12_PAGE_H

#ifndef S12_COMMON_H		/*prevent duplicated includes */
#include "s12_common.h"
#endif

typedef union uPPAGE
  {
  tU08	byte;
  struct
    {
    tU08 pix	:6;		/*active page bits */
    tU08		:2;		/* not used */
    }bit;
  }tPPAGE;

#define PIX0	0x01	/*bit masks	*/
#define PIX1	0x02
#define PIX2	0x04
#define PIX3	0x08
#define PIX4	0x10
#define PIX5	0x20

typedef union uPORTK
  {
  tU08	byte;
  struct
    {
    tU08 ptk0	:1;		/*i/o port pins	*/
    tU08 ptk1	:1;
    tU08 ptk2	:1;
    tU08 ptk3	:1;
	tU08 ptk4	:1;
    tU08 ptk5	:1;
    tU08 ptk6	:1;
    tU08 ptk7	:1;
    }bit;
  }tPORTK;

#define PTK0	0x01	/*bit masks	*/
#define PTK1 	0x02
#define PTK2 	0x04
#define PTK3 	0x08
#define PTK4 	0x10
#define PTK5 	0x20
#define PTK6 	0x40
#define PTK7 	0x80

typedef union uDDRK
  {
  tU08	byte;
  struct
    {
    tU08 ddrk0	:1;		/*data direction bits (0:input;1:output) */
    tU08 ddrk1	:1;
    tU08 ddrk2	:1;
    tU08 ddrk3	:1;
	tU08 ddrk4	:1;
    tU08 ddrk5	:1;
    tU08 ddrk6	:1;
    tU08 ddrk7	:1;
    }bit;
  }tDDRK;

#define DDRK0	0x01	/*bit masks	*/
#define DDRK1	0x02
#define DDRK2	0x04
#define DDRK3	0x08
#define DDRK4 	0x10
#define DDRK5 	0x20
#define DDRK6 	0x40
#define DDRK7	0x80


typedef struct				/*page module used on the Dx256	*/
  {
  volatile tPPAGE	ppage;	/*program page index register */
           tU08		rsv;	/*reserved (maintaining memory map)	*/
  volatile tPORTK	portk;	/*port K data register */
  volatile tDDRK	ddrk;	/*port K data direction register */


  }tPAGE;

#endif /*S12_PAGE_H	*/