Golang NewDigitalPin示例

示例#1

文件： edison_adaptor.go 项目： hybridgroup/gobot

// arduinoSetup does needed setup for the Arduino compatible breakout board
func (e *Adaptor) arduinoSetup() (err error) {
	e.tristate = sysfs.NewDigitalPin(214)
	if err = e.tristate.Export(); err != nil {
		return err
	}
	if err = e.tristate.Direction(sysfs.OUT); err != nil {
		return err
	}
	if err = e.tristate.Write(sysfs.LOW); err != nil {
		return err
	}

	for _, i := range []int{263, 262} {
		io := sysfs.NewDigitalPin(i)
		if err = io.Export(); err != nil {
			return err
		}
		if err = io.Direction(sysfs.OUT); err != nil {
			return err
		}
		if err = io.Write(sysfs.HIGH); err != nil {
			return err
		}
		if err = io.Unexport(); err != nil {
			return err
		}
	}

	for _, i := range []int{240, 241, 242, 243} {
		io := sysfs.NewDigitalPin(i)
		if err = io.Export(); err != nil {
			return err
		}
		if err = io.Direction(sysfs.OUT); err != nil {
			return err
		}
		if err = io.Write(sysfs.LOW); err != nil {
			return err
		}
		if err = io.Unexport(); err != nil {
			return err
		}

	}

	for _, i := range []string{"111", "115", "114", "109"} {
		if err = changePinMode(i, "1"); err != nil {
			return err
		}
	}

	for _, i := range []string{"131", "129", "40"} {
		if err = changePinMode(i, "0"); err != nil {
			return err
		}
	}

	err = e.tristate.Write(sysfs.HIGH)
	return
}

示例#2

文件： edison_adaptor.go 项目： hybridgroup/gobot

func (e *Adaptor) arduinoI2CSetup() (err error) {
	if err = e.tristate.Write(sysfs.LOW); err != nil {
		return
	}

	for _, i := range []int{14, 165, 212, 213} {
		io := sysfs.NewDigitalPin(i)
		if err = io.Export(); err != nil {
			return
		}
		if err = io.Direction(sysfs.IN); err != nil {
			return
		}
		if err = io.Unexport(); err != nil {
			return
		}
	}

	for _, i := range []int{236, 237, 204, 205} {
		io := sysfs.NewDigitalPin(i)
		if err = io.Export(); err != nil {
			return
		}
		if err = io.Direction(sysfs.OUT); err != nil {
			return
		}
		if err = io.Write(sysfs.LOW); err != nil {
			return
		}
		if err = io.Unexport(); err != nil {
			return
		}
	}

	for _, i := range []string{"28", "27"} {
		if err = changePinMode(i, "1"); err != nil {
			return
		}
	}

	if err = e.tristate.Write(sysfs.HIGH); err != nil {
		return
	}

	return
}

示例#3

文件： beaglebone_adaptor.go 项目： hybridgroup/gobot

// digitalPin retrieves digital pin value by name
func (b *Adaptor) digitalPin(pin string, dir string) (sysfsPin sysfs.DigitalPin, err error) {
	i, err := b.translatePin(pin)
	if err != nil {
		return
	}
	if b.digitalPins[i] == nil {
		b.digitalPins[i] = sysfs.NewDigitalPin(i)
		err := b.digitalPins[i].Export()
		if err != nil {
			return nil, err
		}
	}
	if err = b.digitalPins[i].Direction(dir); err != nil {
		return
	}
	return b.digitalPins[i], nil
}

示例#4

文件： raspi_adaptor.go 项目： hybridgroup/gobot

// digitalPin returns matched digitalPin for specified values
func (r *Adaptor) digitalPin(pin string, dir string) (sysfsPin sysfs.DigitalPin, err error) {
	i, err := r.translatePin(pin)

	if err != nil {
		return
	}

	if r.digitalPins[i] == nil {
		r.digitalPins[i] = sysfs.NewDigitalPin(i)
		if err = r.digitalPins[i].Export(); err != nil {
			return
		}
	}

	if err = r.digitalPins[i].Direction(dir); err != nil {
		return
	}

	return r.digitalPins[i], nil
}

示例#5

文件： joule_adaptor.go 项目： hybridgroup/gobot

// digitalPin returns matched digitalPin for specified values
func (e *Adaptor) digitalPin(pin string, dir string) (sysfsPin sysfs.DigitalPin, err error) {
	i := sysfsPinMap[pin]
	if e.digitalPins[i.pin] == nil {
		e.digitalPins[i.pin] = sysfs.NewDigitalPin(i.pin)
		if err = e.digitalPins[i.pin].Export(); err != nil {
			// TODO: log error
			return
		}
	}

	if dir == "in" {
		if err = e.digitalPins[i.pin].Direction(sysfs.IN); err != nil {
			return
		}
	} else if dir == "out" {
		if err = e.digitalPins[i.pin].Direction(sysfs.OUT); err != nil {
			return
		}
	}
	return e.digitalPins[i.pin], nil
}

示例#6

文件： edison_adaptor.go 项目： hybridgroup/gobot

// digitalPin returns matched digitalPin for specified values
func (e *Adaptor) digitalPin(pin string, dir string) (sysfsPin sysfs.DigitalPin, err error) {
	i := e.pinmap[pin]
	if e.digitalPins[i.pin] == nil {
		e.digitalPins[i.pin] = sysfs.NewDigitalPin(i.pin)
		if err = e.digitalPins[i.pin].Export(); err != nil {
			return
		}

		if i.resistor > 0 {
			e.digitalPins[i.resistor] = sysfs.NewDigitalPin(i.resistor)
			if err = e.digitalPins[i.resistor].Export(); err != nil {
				return
			}
		}

		if i.levelShifter > 0 {
			e.digitalPins[i.levelShifter] = sysfs.NewDigitalPin(i.levelShifter)
			if err = e.digitalPins[i.levelShifter].Export(); err != nil {
				return
			}
		}

		if len(i.mux) > 0 {
			for _, mux := range i.mux {
				e.digitalPins[mux.pin] = sysfs.NewDigitalPin(mux.pin)
				if err = e.digitalPins[mux.pin].Export(); err != nil {
					return
				}

				if err = e.digitalPins[mux.pin].Direction(sysfs.OUT); err != nil {
					return
				}

				if err = e.digitalPins[mux.pin].Write(mux.value); err != nil {
					return
				}

			}
		}
	}

	if dir == "in" {
		if err = e.digitalPins[i.pin].Direction(sysfs.IN); err != nil {
			return
		}

		if i.resistor > 0 {
			if err = e.digitalPins[i.resistor].Direction(sysfs.OUT); err != nil {
				return
			}

			if err = e.digitalPins[i.resistor].Write(sysfs.LOW); err != nil {
				return
			}
		}

		if i.levelShifter > 0 {
			if err = e.digitalPins[i.levelShifter].Direction(sysfs.OUT); err != nil {
				return
			}

			if err = e.digitalPins[i.levelShifter].Write(sysfs.LOW); err != nil {
				return
			}
		}
	} else if dir == "out" {
		if err = e.digitalPins[i.pin].Direction(sysfs.OUT); err != nil {
			return
		}

		if i.resistor > 0 {
			if err = e.digitalPins[i.resistor].Direction(sysfs.IN); err != nil {
				return
			}
		}

		if i.levelShifter > 0 {
			if err = e.digitalPins[i.levelShifter].Direction(sysfs.OUT); err != nil {
				return
			}

			if err = e.digitalPins[i.levelShifter].Write(sysfs.HIGH); err != nil {
				return
			}
		}
	}
	return e.digitalPins[i.pin], nil
}