DMAC/reactor/needs_port/device/pwm.go

package device

// do sensor and methods

import (
	"sync"
)

type PWMManager struct {
	// do sensor manager
	*ControllerManager
	sync.RWMutex
	Frequency int
	DutyCycle int
}

func NewPWMManager() (*PWMManager, error) {
	cm, err := NewControllerManager()

	return &PWMManager{
		ControllerManager: cm,
	}, err
}

// freq changing
func (m *PWMManager) GetFrequency() (int, error) {
	m.Lock()
	defer m.Unlock()
	return m.Frequency, nil
}

func (m *PWMManager) String() string {
	// TODO
	return ""
}