From 673acc97b3aaf65d23582c4ec47fa53d98e6b51d Mon Sep 17 00:00:00 2001
From: Ladislas de Toldi <ladislas@detoldi.me>
Date: Wed, 26 May 2021 23:10:13 +0200
Subject: [PATCH 1/2] :wrench: (mbed): Add EXPERIMENTAL_API to target's
 features

This is necessary to use the DigitalIn interface
---
 mbed_app.json | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/mbed_app.json b/mbed_app.json
index 86f6e257fe..a105c5672e 100644
--- a/mbed_app.json
+++ b/mbed_app.json
@@ -18,7 +18,10 @@
 			"sd.SPI_MISO": "SD_SPI_MISO",
 			"sd.SPI_MOSI": "SD_SPI_MOSI",
 			"sd.SPI_CLK": "SD_SPI_SCK",
-			"target.printf_lib": "std"
+			"target.printf_lib": "std",
+			"target.features_add": [
+				"EXPERIMENTAL_API"
+			]
 		},
 		"LEKA_DISCO": {
 			"target_name": "\"LEKA_DISCO\""

From 395a1b953a8ad40263913ad0dd8873983707bb02 Mon Sep 17 00:00:00 2001
From: Ladislas de Toldi <ladislas@detoldi.me>
Date: Wed, 26 May 2021 18:05:43 +0200
Subject: [PATCH 2/2] :clown_face: (mbed): Mock mbed::interface::DigitalOut

To work we need to also stub mbed::gpio_read and mbed::gpio_is_connected
---
 tests/unit/mbed-os/CMakeLists.txt             |  1 +
 .../unit/mbed-os/include/mbed_target_config.h |  1 +
 tests/unit/mbed-os/mocks/mock_DigitalOut.h    | 26 +++++++++++++++++++
 tests/unit/mbed-os/stubs/stub_gpio_api.cpp    | 10 +++++++
 4 files changed, 38 insertions(+)
 create mode 100644 tests/unit/mbed-os/mocks/mock_DigitalOut.h

diff --git a/tests/unit/mbed-os/CMakeLists.txt b/tests/unit/mbed-os/CMakeLists.txt
index f9fc94ca20..20680d418d 100644
--- a/tests/unit/mbed-os/CMakeLists.txt
+++ b/tests/unit/mbed-os/CMakeLists.txt
@@ -9,6 +9,7 @@ add_library(mbed-os INTERFACE)
 target_include_directories(mbed-os
 	INTERFACE
 		${UNITTESTS_DIR}/mbed-os
+		${UNITTESTS_DIR}/mbed-os/mocks
 		${UNITTESTS_DIR}/mbed-os/stubs
 		${UNITTESTS_DIR}/mbed-os/include
 
diff --git a/tests/unit/mbed-os/include/mbed_target_config.h b/tests/unit/mbed-os/include/mbed_target_config.h
index f6349282aa..1984e70f6d 100644
--- a/tests/unit/mbed-os/include/mbed_target_config.h
+++ b/tests/unit/mbed-os/include/mbed_target_config.h
@@ -62,3 +62,4 @@
 #define __CORTEX_M7				   1
 #define __FPU_PRESENT			   1
 #define __MBED_CMSIS_RTOS_CM	   1
+#define FEATURE_EXPERIMENTAL_API   1
diff --git a/tests/unit/mbed-os/mocks/mock_DigitalOut.h b/tests/unit/mbed-os/mocks/mock_DigitalOut.h
new file mode 100644
index 0000000000..77e0642e44
--- /dev/null
+++ b/tests/unit/mbed-os/mocks/mock_DigitalOut.h
@@ -0,0 +1,26 @@
+// Leka - LekaOS
+// Copyright 2021 APF France handicap
+// SPDX-License-Identifier: Apache-2.0
+
+#ifndef _LEKA_OS_MBED_MOCK_DIGITAL_OUT_H_
+#define _LEKA_OS_MBED_MOCK_DIGITAL_OUT_H_
+
+#include "PinNames.h"
+
+#include "drivers/interfaces/InterfaceDigitalOut.h"
+
+#include "gmock/gmock.h"
+
+namespace mbed::mock {
+
+class DigitalOut : public mbed::interface::DigitalOut
+{
+  public:
+	MOCK_METHOD(void, write, (int value), (override));
+	MOCK_METHOD(int, read, (), (override));
+	MOCK_METHOD(int, is_connected, (), (override));
+};
+
+}	// namespace mbed::mock
+
+#endif	 // _LEKA_OS_MBED_MOCK_DIGITAL_OUT_H_
diff --git a/tests/unit/mbed-os/stubs/stub_gpio_api.cpp b/tests/unit/mbed-os/stubs/stub_gpio_api.cpp
index 0eb6fa7bf3..ea4e74a1ba 100644
--- a/tests/unit/mbed-os/stubs/stub_gpio_api.cpp
+++ b/tests/unit/mbed-os/stubs/stub_gpio_api.cpp
@@ -13,3 +13,13 @@ void gpio_write(gpio_t *gpio, int value)
 {
 	return;
 }
+
+auto gpio_read(gpio_t *obj) -> int
+{
+	return 0;
+}
+
+auto gpio_is_connected(const gpio_t *obj) -> int
+{
+	return 1;
+}