BeRTOS
Data Structures | Defines | Typedefs | Enumerations | Functions
pwm.h File Reference
#include <cpu/attr.h>
#include <cfg/compiler.h>
#include "cfg/cfg_pwm.h"

Go to the source code of this file.

Data Structures

struct  Pwm
 PWM context structure. More...

Defines

#define PWM_MAX_DUTY   ((pwm_duty_t)0xFFFF)
 Maximum PWM duty cycle value (100%)

Typedefs

typedef uint16_t pwm_duty_t
 Type for PWM duty cycle.
typedef uint32_t pwm_freq_t
 Type for PWM frequency.

Enumerations

enum  PwmPolarity { PWM_POL_HIGH_PULSE, PWM_POL_POSITIVE = PWM_POL_HIGH_PULSE, PWM_POL_LOW_PULSE, PWM_POL_NEGATIVE = PWM_POL_LOW_PULSE }
 Enum describing PWM polarities. More...

Functions

void pwm_setDuty (Pwm *ctx, pwm_duty_t duty)
 Set the duty cycle of the PWM channel linked to ctx.
void pwm_setFrequency (Pwm *ctx, pwm_freq_t freq)
 Set PWM frequency of channel linked to ctx.
void pwm_setPolarity (Pwm *ctx, PwmPolarity pol)
 Set PWM polarity of pwm channel linked to ctx.
void pwm_enable (Pwm *ctx, bool state)
 Enable/Disable the pwm channel linked to ctx.
void pwm_init (Pwm *ctx, unsigned channel)
 Initialize PWM driver.

Detailed Description

Definition in file pwm.h.