1 files changed, 42 insertions, 0 deletions
diff --git a/pw_digital_io_rp2040/digital_io_test.cc b/pw_digital_io_rp2040/digital_io_test.cc
new file mode 100644
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+++ b/pw_digital_io_rp2040/digital_io_test.cc
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+// Copyright 2023 The Pigweed Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may not
+// use this file except in compliance with the License. You may obtain a copy of
+// the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+// License for the specific language governing permissions and limitations under
+// the License.
+#include "pw_digital_io/digital_io.h"
+
+#include <gtest/gtest.h>
+
+#include "pw_digital_io_rp2040/digital_io.h"
+
+using pw::digital_io::Rp2040DigitalIn;
+using pw::digital_io::Rp2040DigitalInOut;
+
+namespace pw::digital_io {
+namespace {
+
+Rp2040DigitalInOut output_pin(/*gpio_pin=*/15);
+Rp2040DigitalIn input_pin(/*gpio_pin=*/16);
+
+TEST(DigitalIoTest, Init) {
+  // Simple test only meant to ensure module is compiled.
+  output_pin.Enable();
+  output_pin.SetState(pw::digital_io::State::kInactive);
+  output_pin.SetState(pw::digital_io::State::kActive);
+
+  input_pin.Enable();
+  auto state_result = input_pin.GetState();
+  ASSERT_EQ(OkStatus(), state_result.status());
+  ASSERT_EQ(State::kInactive, state_result.value());
+}
+
+}  // namespace
+}  // namespace pw::digital_io