pwm_lld.h File Reference

PWM Driver subsystem low level driver header template. More...

Go to the source code of this file.

Data Structures
struct	PWMChannelConfig
	PWM driver channel configuration structure. More...
struct	PWMConfig
	Driver configuration structure. More...
struct	PWMDriver
	Structure representing an PWM driver. More...
Defines
#define	PWM_CHANNELS   1
	Number of PWM channels per PWM driver.
#define	PWM_FRACTION_TO_WIDTH(pwmp, numerator, denominator)   0
	Converts from fraction to pulse width.
#define	PWM_DEGREES_TO_WIDTH(pwmp, degrees)   PWM_FRACTION_TO_WIDTH(pwmp, 36000, degrees)
	Converts from degrees to pulse width.
#define	PWM_PERCENTAGE_TO_WIDTH(pwmp, percentage)   PWM_FRACTION_TO_WIDTH(pwmp, 10000, percentage)
	Converts from percentage to pulse width.
Typedefs
typedef uint8_t	pwmchannel_t
	PWM channel type.
typedef uint16_t	pwmcnt_t
	PWM counter type.
typedef struct PWMDriver	PWMDriver
	Type of a structure representing an PWM driver.
typedef void(*	pwmcallback_t )(PWMDriver *pwmp)
	PWM notification callback type.
Functions
void	pwm_lld_init (void)
	Low level PWM driver initialization.
void	pwm_lld_start (PWMDriver *pwmp)
	Configures and activates the PWM peripheral.
void	pwm_lld_stop (PWMDriver *pwmp)
	Deactivates the PWM peripheral.
bool_t	pwm_lld_is_enabled (PWMDriver *pwmp, pwmchannel_t channel)
	Determines whatever the PWM channel is already enabled.
void	pwm_lld_enable_channel (PWMDriver *pwmp, pwmchannel_t channel, pwmcnt_t width)
	Enables a PWM channel.
void	pwm_lld_disable_channel (PWMDriver *pwmp, pwmchannel_t channel)
	Disables a PWM channel.

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Detailed Description

PWM Driver subsystem low level driver header template.

Definition in file templates/pwm_lld.h.