pwm.h

浏览该文件的文档.

 
#ifndef PWM_H
#define PWM_H
 
#include <stdint.h>
#include <stdbool.h>
#include "errcode.h"
 
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
 
typedef struct pwm_config {
    uint32_t low_time;               
    uint32_t high_time;              
    uint32_t offset_time;            
    uint16_t cycles;                 
    bool repeat;                     
} pwm_config_t;
 
typedef errcode_t (*pwm_callback_t)(uint8_t channel);
 
errcode_t uapi_pwm_init(void);
 
void uapi_pwm_deinit(void);
 
errcode_t uapi_pwm_open(uint8_t channel, const pwm_config_t *cfg);
 
errcode_t uapi_pwm_close(uint8_t channel);
 
errcode_t uapi_pwm_start(uint8_t channel);
 
uint32_t uapi_pwm_get_frequency(uint8_t channel);
 
#if defined(CONFIG_PWM_USING_V150)
errcode_t uapi_pwm_stop(uint8_t channel);
 
errcode_t uapi_pwm_update_duty_ratio(uint8_t channel, uint32_t low_time, uint32_t high_time);
#endif /* CONFIG_PWM_USING_V150 */
 
errcode_t uapi_pwm_isr(uint8_t channel);
 
errcode_t uapi_pwm_register_interrupt(uint8_t channel, pwm_callback_t callback);
 
errcode_t uapi_pwm_unregister_interrupt(uint8_t channel);
 
#if defined(CONFIG_PWM_USING_V151)
errcode_t uapi_pwm_set_group(uint8_t group, const uint8_t *channel_set, uint32_t channel_set_len);
 
errcode_t uapi_pwm_clear_group(uint8_t group);
 
errcode_t uapi_pwm_start_group(uint8_t group);
 
errcode_t uapi_pwm_stop_group(uint8_t group);
 
#if defined(CONFIG_PWM_PRELOAD)
errcode_t uapi_pwm_config_preload(uint8_t group, uint8_t channel, const pwm_config_t *cfg);
#endif /* CONFIG_PWM_PRELOAD */
#endif /* CONFIG_PWM_USING_V151 */
 
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
 
#endif