hybridgroup.gobot/core/robot/device.go

79 lines
1.7 KiB
Go

package robot
import (
"errors"
"github.com/hybridgroup/gobot/core/driver"
"github.com/hybridgroup/gobot/core/utils"
"log"
"reflect"
)
type Device interface {
Init() bool
Start() bool
Halt() bool
}
type device struct {
Name string `json:"name"`
Type string `json:"driver"`
Interval string `json:"-"`
Robot *Robot `json:"-"`
Driver driver.DriverInterface `json:"-"`
}
type devices []*device
// Start() starts all the devices.
func (d devices) Start() error {
var err error
log.Println("Starting devices...")
for _, device := range d {
log.Println("Starting device " + device.Name + "...")
if device.Start() == false {
err = errors.New("Could not start connection")
break
}
}
return err
}
// Halt() stop all the devices.
func (d devices) Halt() {
for _, device := range d {
device.Halt()
}
}
func NewDevice(driver driver.DriverInterface, r *Robot) *device {
d := new(device)
s := reflect.ValueOf(driver).Type().String()
d.Type = s[1:len(s)]
d.Name = utils.FieldByNamePtr(driver, "Name").String()
d.Robot = r
if utils.FieldByNamePtr(driver, "Interval").String() == "" {
utils.FieldByNamePtr(driver, "Interval").SetString("0.1s")
}
d.Driver = driver
return d
}
func (d *device) Init() bool {
log.Println("Device " + d.Name + " initialized")
return d.Driver.Init()
}
func (d *device) Start() bool {
log.Println("Device " + d.Name + " started")
return d.Driver.Start()
}
func (d *device) Halt() bool {
log.Println("Device " + d.Name + " halted")
return d.Driver.Halt()
}
func (d *device) Commands() interface{} {
return utils.FieldByNamePtr(d.Driver, "Commands").Interface()
}