pwm.hxx

// dawn/include/dawn/porting/pwm.hxx
//
// SPDX-License-Identifier: Apache-2.0
//
 
#pragma once
 
#include <cstdint>
 
#include "dawn/porting/nuttx/pwm.hxx"
 
namespace dawn
{
namespace porting
{
struct pwm_write_s
{
  uint32_t freq;
 
  struct
  {
    uint16_t duty;   // Duty in 0.1% units (0 - 0%, 10 - 1%, 1000 - 100%)
    uint8_t channel; // start from 1
  } channels[];
};
 
} // namespace porting
} // namespace dawn
 
int pwm_open(const char *path);
 
void pwm_close(int fd);
 
void pwm_init(int fd);
 
int pwm_start(int fd);
 
int pwm_stop(int fd);
 
int pwm_write(int fd, dawn::porting::pwm_write_s *pwm);