br::ufrgs::ece::AIC::PWM Class Reference
[AIC Hardware Interface]

List of all members.

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Detailed Description

Provices access to the PWM in an Actuator Interface Card.

Author:

Walter Fetter Lages (w.fetter@ieee.org)

Version:

AIC-1.3.0

Public Member Functions
void	setFreq (double frequency)
	Sets the frequency of PWM.
double	getFreq ()
	Returns the frequency of PWM.
	PWM (int base, double freq)
	Initializes the PWM.
	PWM (int base)
	Initializes the PWM using the default PWM frequency (20KHz).
native void	finalize ()
	Finalizes the PWM.
int	setDuty (double dutycycle)
	Sets the duty-cycle of PWM.
Static Public Member Functions
native void	setCount (int count)
	Sets the frequency of PWM in cycles of 10MHz.
native int	setDuty (int dutycycle)
	Sets the duty-cycle of PWM.
native void	on ()
	Turns the PWM on.
native void	off ()
	Turns the PWM off.
Static Public Attributes
final double	REF_FREQ = 10e6
	Reference frequency = 10MHz.
final double	SW_FREQ = 20e3
	Default Switching Frequency = 20KHz.

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Constructor & Destructor Documentation

br::ufrgs::ece::AIC::PWM::PWM (  int  base, double  freq )  [inline]

Initializes the PWM. Parameters: base  Base address for on board devices freq  PWM frequency

br::ufrgs::ece::AIC::PWM::PWM (  int  base  )  [inline]

Initializes the PWM using the default PWM frequency (20KHz). Parameters: base  Base address for on board devices

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Member Function Documentation

double br::ufrgs::ece::AIC::PWM::getFreq (   )  [inline]

Returns the frequency of PWM. Returns: PWM frequency in Hz

native void br::ufrgs::ece::AIC::PWM::setCount (  int  count  )  [static]

Sets the frequency of PWM in cycles of 10MHz. Parameters: count  number of cycles from 10 to 65530. Default value is 500 Since: AIC-1.3.0

native int br::ufrgs::ece::AIC::PWM::setDuty (  int  dutycycle  )  [static]

Sets the duty-cycle of PWM. Parameters: dutycycle  to be used by PWM as a int from 0 to 1000000 Returns: the count value programmed to the PWM timer

int br::ufrgs::ece::AIC::PWM::setDuty (  double  dutycycle  )  [inline]

Sets the duty-cycle of PWM. Parameters: dutycycle  to be used by PWM as a double from 0 to 1.0 Returns: the count value programmed to the PWM timer

void br::ufrgs::ece::AIC::PWM::setFreq (  double  frequency  )  [inline]

Sets the frequency of PWM. Parameters: frequency  frequency in Hz from 152.60Hz to 1MHz. Default value is 20KHz

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The documentation for this class was generated from the following file:

• PWM.java

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