1 files changed, 32 insertions, 0 deletions
diff --git a/pw_i2c/address.cc b/pw_i2c/address.cc
new file mode 100644
index 000000000..5cca79a62
--- /dev/null
+++ b/pw_i2c/address.cc
@@ -0,0 +1,32 @@
+// Copyright 2020 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_i2c/address.h"
+
+#include "pw_assert/assert.h"
+
+namespace pw::i2c {
+
+// Implemented in the source to produce a nicer CHECK message vs an ASSERT.
+Address::Address(uint16_t address) : address_(address) {
+  PW_CHECK_UINT_LE(address_, kMaxTenBitAddress);
+}
+
+// Implemented in the source to produce a nicer CHECK message vs an ASSERT.
+uint8_t Address::GetSevenBit() const {
+  PW_CHECK_UINT_LE(address_, kMaxSevenBitAddress);
+  return address_;
+}
+
+}  // namespace pw::i2c