hal_pwm.h File Reference

#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
#include "hal_gpio.h"

Include dependency graph for hal_pwm.h:

Data Structures
struct	pwm_channel_attr_t

Macros
#define	PWM_MIN_PCNT   (0.0f)
#define	PWM_MAX_PCNT   (100.0f)

Enumerations
enum	pwm_result_t {   PWM_RESULT_OK ,   PWM_RESULT_INVALID ,   PWM_RESULT_UNSUPPORTED ,   PWM_RESULT_BUSY ,   PWM_RESULT_ERR ,   TOTAL_PWM_RESULT }
enum	pwm_alignment_t {   PWM_ALIGNMENT_EDGE ,   PWM_ALIGNMENT_CENTER ,   TOTAL_PWM_ALIGNMENT }

Functions
pwm_result_t	hal_pwm_init (const pwm_channel_attr_t attr)
	Configure PWM channel with specific attributes.
pwm_result_t	hal_pwm_start (const gpio_pin_t pin)
	Start generate PWM pulses.
pwm_result_t	hal_pwm_update (const gpio_pin_t pin, const float duty_cycle_pcnt)
	Update PWM duty cycles.
pwm_result_t	hal_pwm_stop (const gpio_pin_t pin)
	Stop PWM operation.
pwm_result_t	hal_pwm_mutex_take (const gpio_pin_t pin, const uint32_t timeout_ms)
	Try acquire RTOS mutex for specified pin.
pwm_result_t	hal_pwm_mutex_give (const gpio_pin_t pin)
	Release RTOS mutex for specified pin.