etpu_pwm.h

mpc55**系列芯片的例程 包括SCI,SPI,TIMER,FIT,EDMA等几乎所有功能的实现

/**************************************************************************
 * FILE NAME: $RCSfile: etpu_pwm.h,v $       COPYRIGHT (c) FREESCALE 2004 *
 * DESCRIPTION:                                     All Rights Reserved   *
 * This file contains the prototypes and defines for the eTPU Pulse Width *
 * Modulation (PWM) API.                                                  *
 *========================================================================*
 * ORIGINAL AUTHOR: Jeff Loeliger (r12110)                                *
 * $Log: etpu_pwm.h,v $
 * Revision 2.0  2004/12/22 13:46:47  r12110
 * -First release into CVS.
 * -Added support for utils 2.0 functions.
 *
 **************************************************************************/
#include "etpu_pwm_auto.h"     /* Auto generated header file for eTPU PWM */

/**************************************************************************/
/*                       Function Prototypes                              */
/**************************************************************************/

/* New eTPU functions */
/* PWM channel initialization */
int32_t fs_etpu_pwm_init( uint8_t channel, uint8_t priority, uint32_t freq, uint16_t duty, \
          uint8_t polarity, uint8_t timebase, uint32_t timebase_freq);

/* PWM duty cycle update */
void fs_etpu_pwm_duty( uint8_t channel, uint16_t duty);
void fs_etpu_pwm_duty_immed( uint8_t channel, uint16_t duty);

/* PWM duty cycle and freq update */
int32_t fs_etpu_pwm_update( uint8_t channel, uint32_t freq, uint16_t duty, \
       uint32_t timebase_freq);

/* PWM information */
uint32_t fs_etpu_pwm_get_freq( uint8_t channel, uint32_t timebase_freq);

/* TPU3 PWM API compatible functions to be added */

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