feat(lib): stringer required for driver, deviceid and device

acr122usb/device.go

@@ -85,6 +85,10 @@ func (d *Acr122UsbDevice) Logger() *zap.SugaredLogger {
 	return d.logger
 }
 
+func (d *Acr122UsbDevice) String() string {
+	return d.id.String()
+}
+
 func (d *Acr122UsbDevice) SetLastError(err error) {
 	d.LastError = err
 }

acr122usb/driver.go

@@ -1,6 +1,8 @@
 package acr122usb
 
 import (
+	"fmt"
+
 	"github.com/google/gousb"
 	"github.com/maitredede/gonfc"
 	"go.uber.org/zap"
@@ -29,6 +31,10 @@ func (Acr122USBDriver) Product() string {
 	return "acr122"
 }
 
+func (d Acr122USBDriver) String() string {
+	return fmt.Sprintf("%s %s", d.Manufacturer(), d.Product())
+}
+
 func (Acr122USBDriver) Conflicts(otherDriver gonfc.Driver) bool {
 	if _, ok := otherDriver.(*Acr122USBDriver); ok {
 		return true

device.go

@@ -9,6 +9,7 @@ import (
 type Device interface {
 	ID() DeviceID
 	Close() error
+	String() string
 
 	SetPropertyBool(property Property, value bool) error
 	SetPropertyInt(property Property, value int) error

driver.go

@@ -10,10 +10,12 @@ type Driver interface {
 	LookupDevices(logger *zap.SugaredLogger) ([]DeviceID, error)
 
 	Conflicts(otherDriver Driver) bool
+	String() string
 }
 
 type DeviceID interface {
 	Driver() Driver
 	Path() string
 	Open(logger *zap.SugaredLogger) (Device, error)
+	String() string
 }

periphio/i2cdevice.go

@@ -36,6 +36,10 @@ func (d *PeriphioI2CDevice) Close() error {
 	return d.hwBus.Close()
 }
 
+func (d *PeriphioI2CDevice) String() string {
+	return d.id.String()
+}
+
 func (d *PeriphioI2CDevice) SetPropertyBool(property gonfc.Property, value bool) error {
 	panic("TODO")
 }

periphio/i2cdeviceid.go

@@ -24,3 +24,7 @@ func (d *PeriphioI2CDeviceID) Path() string {
 func (d *PeriphioI2CDeviceID) Open(logger *zap.SugaredLogger) (gonfc.Device, error) {
 	return d.drv.openDevice(logger)
 }
+
+func (d *PeriphioI2CDeviceID) String() string {
+	return fmt.Sprintf("%s %s", d.drv.String(), d.Path())
+}

periphio/i2cdriver.go

@@ -42,6 +42,10 @@ func (d *PeriphioI2CDriver) Product() string {
 	return "pn532-i2c"
 }
 
+func (d *PeriphioI2CDriver) String() string {
+	return fmt.Sprintf("%s %s", d.Manufacturer(), d.Product())
+}
+
 func (d *PeriphioI2CDriver) LookupDevices(logger *zap.SugaredLogger) ([]gonfc.DeviceID, error) {
 	dev, err := d.openDevice(logger)
 	if err != nil {

pigpio/pn532i2c.device.go

@@ -33,9 +33,14 @@ func (d *PN532PiGPIOI2CDevice) Logger() *zap.SugaredLogger {
 	return d.logger
 }
 
+func (d *PN532PiGPIOI2CDevice) String() string {
+	return d.id.String()
+}
+
 func (d *PN532PiGPIOI2CDevice) SetLastError(err error) {
 	d.LastError = err
 }
+
 func (d *PN532PiGPIOI2CDevice) GetInfiniteSelect() bool {
 	return d.InfiniteSelect
 }

pigpio/pn532i2c.deviceid.go

@@ -21,6 +21,10 @@ func (d *PN532PiGPIOI2CDeviceID) Path() string {
 	return fmt.Sprintf("tcp://%v?bus=%v&addr=%v&flags=%v", d.drv.host, d.drv.i2cBus, d.drv.i2cAddress, d.drv.i2cFlags)
 }
 
+func (d *PN532PiGPIOI2CDeviceID) String() string {
+	return fmt.Sprintf("%s %s", d.drv.String(), d.Path())
+}
+
 func (d *PN532PiGPIOI2CDeviceID) Open(logger *zap.SugaredLogger) (gonfc.Device, error) {
 	dev, err := d.drv.openDevice(logger)
 	if err != nil {

pigpio/pn532i2c.driver.go

@@ -36,13 +36,17 @@ func NewI2CDriver(host string, i2cBus byte, i2cAddress byte, i2cFlags uint32) (*
 }
 
 func (d *PN532PiGPIOI2CDriver) Manufacturer() string {
-	return "PN532 I2C via PiGPIO"
+	return "PiGPIO - PN532 I2C"
 }
 
 func (d *PN532PiGPIOI2CDriver) Product() string {
 	return d.host
 }
 
+func (d *PN532PiGPIOI2CDriver) String() string {
+	return fmt.Sprintf("%s %s", d.Manufacturer(), d.Product())
+}
+
 func (d *PN532PiGPIOI2CDriver) Conflicts(otherDriver gonfc.Driver) bool {
 	if o, ok := otherDriver.(*PN532PiGPIOI2CDriver); ok {
 		return strings.EqualFold(o.host, d.host)