PWM Driver macros and structures. More...

#include "hal_pwm_lld.h"

Macros
PWM output mode macros
#define	PWM_OUTPUT_MASK 0x0FU
	Standard output modes mask.
#define	PWM_OUTPUT_DISABLED 0x00U
	Output not driven, callback only.
#define	PWM_OUTPUT_ACTIVE_HIGH 0x01U
	Positive PWM logic, active is logic level one.
#define	PWM_OUTPUT_ACTIVE_LOW 0x02U
	Inverse PWM logic, active is logic level zero.
PWM duty cycle conversion
#define	PWM_FRACTION_TO_WIDTH(pwmp, denominator, numerator)
	Converts from fraction to pulse width.
#define	PWM_DEGREES_TO_WIDTH(pwmp, degrees)
	Converts from degrees to pulse width.
#define	PWM_PERCENTAGE_TO_WIDTH(pwmp, percentage)
	Converts from percentage to pulse width.
Macro Functions
#define	pwmChangePeriodI(pwmp, value)
	Changes the period the PWM peripheral.
#define	pwmEnableChannelI(pwmp, channel, width)
	Enables a PWM channel.
#define	pwmDisableChannelI(pwmp, channel)
	Disables a PWM channel.
#define	pwmIsChannelEnabledI(pwmp, channel)
	Returns a PWM channel status.
#define	pwmEnablePeriodicNotificationI(pwmp)
	Enables the periodic activation edge notification.
#define	pwmDisablePeriodicNotificationI(pwmp)
	Disables the periodic activation edge notification.
#define	pwmEnableChannelNotificationI(pwmp, channel)
	Enables a channel de-activation edge notification.
#define	pwmDisableChannelNotificationI(pwmp, channel)
	Disables a channel de-activation edge notification.

Typedefs
typedef struct PWMDriver	PWMDriver
	Type of a structure representing a PWM driver.
typedef void(*	pwmcallback_t) (PWMDriver *pwmp)
	Type of a PWM notification callback.

Enumerations
enum	pwmstate_t { PWM_UNINIT = 0 , PWM_STOP = 1 , PWM_READY = 2 }
	Driver state machine possible states. More...

Functions
void	pwmInit (void)
	PWM Driver initialization.
void	pwmObjectInit (PWMDriver *pwmp)
	Initializes the standard part of a `PWMDriver` structure.
msg_t	pwmStart (PWMDriver pwmp, const PWMConfig config)
	Configures and activates the PWM peripheral.
void	pwmStop (PWMDriver *pwmp)
	Deactivates the PWM peripheral.
void	pwmChangePeriod (PWMDriver *pwmp, pwmcnt_t period)
	Changes the period the PWM peripheral.
void	pwmEnableChannel (PWMDriver *pwmp, pwmchannel_t channel, pwmcnt_t width)
	Enables a PWM channel.
void	pwmDisableChannel (PWMDriver *pwmp, pwmchannel_t channel)
	Disables a PWM channel and its notification.
void	pwmEnablePeriodicNotification (PWMDriver *pwmp)
	Enables the periodic activation edge notification.
void	pwmDisablePeriodicNotification (PWMDriver *pwmp)
	Disables the periodic activation edge notification.
void	pwmEnableChannelNotification (PWMDriver *pwmp, pwmchannel_t channel)
	Enables a channel de-activation edge notification.
void	pwmDisableChannelNotification (PWMDriver *pwmp, pwmchannel_t channel)
	Disables a channel de-activation edge notification.

Detailed Description

PWM Driver macros and structures.

Definition in file hal_pwm.h.

Macros