From 1e9ebd1cc6ba88b324591c427296e49751101571 Mon Sep 17 00:00:00 2001
From: Ron Evans <ron@hybridgroup.com>
Date: Wed, 15 Aug 2018 00:12:48 +0200
Subject: [PATCH] i2c: add missing methods so the GrovePi fully implements the
 Adaptor interface

Signed-off-by: Ron Evans <ron@hybridgroup.com>
---
 drivers/i2c/grovepi_driver.go      | 10 ++++++++++
 drivers/i2c/grovepi_driver_test.go |  3 +++
 2 files changed, 13 insertions(+)

diff --git a/drivers/i2c/grovepi_driver.go b/drivers/i2c/grovepi_driver.go
index 4802cb01..997f2fd2 100644
--- a/drivers/i2c/grovepi_driver.go
+++ b/drivers/i2c/grovepi_driver.go
@@ -80,6 +80,16 @@ func (d *GrovePiDriver) Start() (err error) {
 // Halt returns true if devices is halted successfully
 func (d *GrovePiDriver) Halt() (err error) { return }
 
+// Connect is here to implement the Adaptor interface.
+func (d *GrovePiDriver) Connect() (err error) {
+	return
+}
+
+// Finalize is here to implement the Adaptor interface.
+func (d *GrovePiDriver) Finalize() (err error) {
+	return
+}
+
 // AnalogRead returns value from analog pin implementing the AnalogReader interface.
 func (d *GrovePiDriver) AnalogRead(pin string) (value int, err error) {
 	pin = getPin(pin)
diff --git a/drivers/i2c/grovepi_driver_test.go b/drivers/i2c/grovepi_driver_test.go
index a06b6094..a83a90c7 100644
--- a/drivers/i2c/grovepi_driver_test.go
+++ b/drivers/i2c/grovepi_driver_test.go
@@ -21,6 +21,9 @@ var _ gpio.DigitalWriter = (*GrovePiDriver)(nil)
 // must implement the AnalogReader interface
 var _ aio.AnalogReader = (*GrovePiDriver)(nil)
 
+// must implement the Adaptor interface
+var _ gobot.Adaptor = (*GrovePiDriver)(nil)
+
 func initTestGrovePiDriver() (driver *GrovePiDriver) {
 	driver, _ = initGrovePiDriverWithStubbedAdaptor()
 	return