pwm.h File Reference

Pulse Width Modulation (PWM) driver. More...

#include "hw/pwm_map.h"
#include <cpu/attr.h>
#include "drv/PP_CAT3(pwm, _, CPU_ID).h"
#include <cfg/compiler.h>

Typedefs
typedef uint16_t	pwm_duty_t
	PWM type define.
Functions
void	pwm_setPolarity (PwmDev dev, bool pol)
	Set PWM polarity of pwm `dev`.
void	pwm_setDuty (PwmDev dev, pwm_duty_t duty)
	Set duty of pwm channel `dev`.
void	pwm_setFrequency (PwmDev dev, pwm_freq_t freq)
	Set frequency of pwm channel `dev` at `freq` in Hz.
void	pwm_enable (PwmDev dev, bool state)
	Set duty of pwm channel `dev`.
void	pwm_init (void)
	Initialize PWM hw.
void	pwm_testRun (void)
	Test function prototypes.
int	pwm_testSetup (void)
	Setup all needed to test PWM on AT91.
int	pwm_testTearDown (void)
	End a PWM Test.

Detailed Description

Pulse Width Modulation (PWM) driver.

Author:: Francesco Sacchi <batt@develer.com>; Daniele Basile <asterix@develer.com>

Definition in file pwm.h.

void pwm_testRun ( void )

Test function prototypes.

See pwm_test.c for implemntation of these functions.

Definition at line 135 of file pwm_hwtest.c.

int pwm_testSetup ( void )

Setup all needed to test PWM on AT91.

Definition at line 121 of file pwm_hwtest.c.

int pwm_testTearDown ( void )

End a PWM Test.

(Unused)

Definition at line 212 of file pwm_hwtest.c.