pwm.h

用freescale公司的DSP56F8013芯片实现的PMSM的SVPWM 驱动

    byte pair1 : 1;                                               /* PWM pair 1 */
    byte pair2 : 1;                                               /* PWM pair 2 */
  } TChannelPairs;                     /* 3 channel pairs represented by bit in structure. */
#endif


byte PWM_Enable(void);
/*
** ===================================================================
**     Method      :  PWM_Enable (bean PWMMC)
**
**     Description :
**         Enable the bean - it starts the signal generation. Events
**         can be disabled/enabled by DisableEvent/EnableEvent.
**     Parameters  : None
**     Returns     :
**         ---             - Error code, possible codes:
**                           ERR_OK - OK
**                           ERR_SPEED - This device does not work in
**                           the active speed mode
** ===================================================================
*/

byte PWM_Disable(void);
/*
** ===================================================================
**     Method      :  PWM_Disable (bean PWMMC)
**
**     Description :
**         Disable the bean - it stops signal generation and events
**         calling. When the timer is disabled, it is possible to
**         call method "SetOutput" to control the output value on
**         corresponding pin.
**     Parameters  : None
**     Returns     :
**         ---             - Error code, possible codes:
**                           ERR_OK - OK
**                           ERR_SPEED - This device does not work in
**                           the active speed mode
** ===================================================================
*/

byte PWM_EnableEvent(void);
/*
** ===================================================================
**     Method      :  PWM_EnableEvent (bean PWMMC)
**
**     Description :
**         Enable the events. Method is available only if interrupt
**         service/event is enabled.
**     Parameters  : None
**     Returns     :
**         ---             - Error code, possible codes:
**                           ERR_OK - OK
**                           ERR_SPEED - This device does not work in
**                           the active speed mode
** ===================================================================
*/

byte PWM_DisableEvent(void);
/*
** ===================================================================
**     Method      :  PWM_DisableEvent (bean PWMMC)
**
**     Description :
**         Disable the events. Method is available only if interrupt
**         service/event is enabled.
**     Parameters  : None
**     Returns     :
**         ---             - Error code, possible codes:
**                           ERR_OK - OK
**                           ERR_SPEED - This device does not work in
**                           the active speed mode
** ===================================================================
*/

void PWM_SetHigh(void);
/*
** ===================================================================
**     Method      :  PWM_SetHigh (bean PWMMC)
**
**     Description :
**         The method reconfigures the bean and its selected peripheral(s)
**         when the CPU is switched to the High speed mode. The method is 
**         called automatically as s part of the CPU SetHighSpeed method.
**         This method is internal. It is used by Processor Expert only.
** ===================================================================
*/

void PWM_InterruptOnReload(void);
/*
** ===================================================================
**     Method      :  PWM_InterruptOnReload (bean PWMMC)
**
**     Description :
**         This method is internal. It is used by Processor Expert only.
** ===================================================================
*/
void PWM_Init(void);
/*
** ===================================================================
**     Method      :  PWM_Init (bean PWMMC)
**
**     Description :
**         Initializes the associated peripheral(s) and the bean's 
**         internal variables. The method is called automatically as a 
**         part of the application initialization code.
**         This method is internal. It is used by Processor Expert only.
** ===================================================================
*/

byte PWM_SetPeriod(word period);
/*
** ===================================================================
**     Method      :  PWM_SetPeriod (bean PWMMC)
**
**     Description :
**         Setting PWM modulo register. The value is loaded after
**         calling Load() method.
**     Parameters  :
**         NAME            - DESCRIPTION
**         period          - Value for setting PWM period
**                           register in range 15 bit (12-bit on HC08 family).
**     Returns     :
**         ---             - Error code, possible codes:
**                           ERR_OK - OK
**                           ERR_RANGE - Parameter period is out of
**                           range
** ===================================================================
*/

byte PWM_SetDuty(byte channel,int duty);
/*
** ===================================================================
**     Method      :  PWM_SetDuty (bean PWMMC)
**
**     Description :
**         Setting duty(value) register of selected channel.  The
**         value is loaded after calling Load() method.
**     Parameters  :
**         NAME            - DESCRIPTION
**         channel         - channel 0-5
**         duty            - Duty value for selected channel.
**                           Writing a number less than or equal to 0
**                           causes the PWM to be off for the entire
**                           PWM period. Writing a number greater
**                           than or equal to the 15 bit (12-bit on
**                           HC08MR32 CPU) modulus causes the PWM to
**                           be on for the entire PWM period.
**     Returns     :
**         ---             - Error code, possible codes:
**                           ERR_OK - OK
**                           ERR_NOTAVAIL - Channel is disabled
**                           ERR_RANGE - Parameter channel is out of
**                           range
** ===================================================================
*/

#define PWM_Load() setRegBit(PWM_PMCTL,LDOK)
/*
** ===================================================================
**     Method      :  PWM_Load (bean PWMMC)
**
**     Description :
**         Apply last setting of the methods SetDuty, SetDutyPercent,
**         SetPeriod and SetPrescaler.
**     Parameters  : None
**     Returns     : Nothing
** ===================================================================
*/

byte PWM_SetDutyPercent(byte channel,byte duty);
/*
** ===================================================================
**     Method      :  PWM_SetDutyPercent (bean PWMMC)
**
**     Description :
**         Setting duty(value) in percent of selected channel.  The
**         value is loaded after calling Load() method.
**     Parameters  :
**         NAME            - DESCRIPTION
**         channel         - channel 0-5
**         duty            - Duty value in pecents for selected
**                           channel.
**     Returns     :
**         ---             - Error code, possible codes:
**                           ERR_OK - OK
**                           ERR_NOTAVAIL - Channel is disabled
**                           ERR_RANGE - Parameter channel is out of
**                           range
** ===================================================================
*/

#define PWM_OutputPadEnable() setRegBit(PWM_PMOUT,PAD_EN)
/*
** ===================================================================
**     Method      :  PWM_OutputPadEnable (bean PWMMC)
**
**     Description :
**         Method enables output pads.
**     Parameters  : None
**     Returns     : Nothing
** ===================================================================
*/

#define PWM_OutputPadDisable() clrRegBit(PWM_PMOUT,PAD_EN)
/*
** ===================================================================
**     Method      :  PWM_OutputPadDisable (bean PWMMC)
**
**     Description :
**         Method disables output pads.
**     Parameters  : None
**     Returns     : Nothing
** ===================================================================
*/

/* END PWM. */

#endif /* ifndef __PWM */
/*
** ###################################################################
**
**     This file was created by UNIS Processor Expert 2.98 [03.79]
**     for the Freescale 56800 series of microcontrollers.
**
** ###################################################################
*/