lh7a404_pwm.h

在sharp 404开发板的串口测试代码

/***********************************************************************
 * $Workfile:   lh7a404_pwm.h  $
 * $Revision:   1.2  $
 * $Author:   WellsK  $
 * $Date:   Jul 16 2003 08:20:22  $
 *
 * Project: LH7A404 PWM definitions
 *
 * Description:
 *     This file contains the structure definitions and manifest
 *     constants for the LH7A404 component:
 *         Pulse Width Modulators
 *
 * Revision History:
 * $Log:   //smaicnt2/pvcs/VM/sharpmcu/archives/sharpmcu/software/csps/lh7a404/include/lh7a404_pwm.h-arc  $
 * 
 *    Rev 1.2   Jul 16 2003 08:20:22   WellsK
 * Corrected register structure (added reserved values)
 * 
 *    Rev 1.1   Jul 01 2003 10:59:40   WellsK
 * Changed to use abl_types instead of sma_types.
 * 
 *    Rev 1.0   Jun 30 2003 16:28:50   WellsK
 * Initial revision.
 * 
 * 
 ***********************************************************************
 * SHARP MICROELECTRONICS OF THE AMERICAS MAKES NO REPRESENTATION
 * OR WARRANTIES WITH RESPECT TO THE PERFORMANCE OF THIS SOFTWARE,
 * AND SPECIFICALLY DISCLAIMS ANY RESPONSIBILITY FOR ANY DAMAGES, 
 * SPECIAL OR CONSEQUENTIAL, CONNECTED WITH THE USE OF THIS SOFTWARE.
 *
 * SHARP MICROELECTRONICS OF THE AMERICAS PROVIDES THIS SOFTWARE SOLELY 
 * FOR THE PURPOSE OF SOFTWARE DEVELOPMENT INCORPORATING THE USE OF A 
 * SHARP MICROCONTROLLER OR SYSTEM-ON-CHIP PRODUCT. USE OF THIS SOURCE
 * FILE IMPLIES ACCEPTANCE OF THESE CONDITIONS.
 *
 * COPYRIGHT (C) 2001 SHARP MICROELECTRONICS OF THE AMERICAS, INC.
 *     CAMAS, WA
 **********************************************************************/

#ifndef LH7A404_PWM_H
#define LH7A404_PWM_H

#include "abl_types.h"
#include "lh7a404_chip.h"

/***********************************************************************
 * PWM Register Structure
 **********************************************************************/

/* PWM base module Register Structure */ 
typedef struct 
{
    volatile UNS_32 pwmtcount;    /* PWM terminal count register */ 
    volatile UNS_32 pwmdcycle;    /* PWM suty cycle register */ 
    volatile UNS_32 pwmenable;    /* PWM enable register */ 
    volatile UNS_32 pwminvert;    /* PWM invert register */ 
    volatile UNS_32 pwmsync;      /* PWM synchronous mode register */
    volatile UNS_32 rsvd[3];      /* PWM reserved */
} PWM_BASE_REGS_T;

/* PWM Module Register Structure */ 
typedef struct 
{
    PWM_BASE_REGS_T pwmregs[2];   /* PWM base registers */ 
} PWM_REGS_T;

/***********************************************************************
 * PWM terminal count register definitions
 **********************************************************************/

/* PWM terminal count load macro */
#define PWM_TC(n)        ((n) & 0x0000FFFF)

/***********************************************************************
 * PWM duty cycle register definitions
 **********************************************************************/

/* PWM duty cycle load macro */
#define PWM_DC(n)        ((n) & 0x0000FFFF)

/***********************************************************************
 * PWM enable register definitions
 **********************************************************************/

/* PWM enable register enable bit */
#define PWM_ENABLE       0x00000001

/***********************************************************************
 * PWM invert register definitions
 **********************************************************************/

/* PWM invert register invert enable bit */
#define PWM_INVERT       0x00000001

/***********************************************************************
 * PWM synchronous mode register definitions
 **********************************************************************/

/* PWM synchronous mode sychronous mode enable bit */
#define PWM_SYNC         0x00000001
/* PWM synchronous mode normal mode */
#define PWM_NORMAL       0x00000000
/* PWM synchronous mode select sync0 as sync source */
#define PWM_USE_SYNC0    0x00000000

/* Macro pointing to DC to DC converter registers */
#define PWM    ((PWM_REGS_T *)(PWM_BASE))

#endif /* LH7A404_PWM_H */