1 files changed, 50 insertions, 0 deletions
diff --git a/pw_digital_io_mcuxpresso/interrupt_line.cc b/pw_digital_io_mcuxpresso/interrupt_line.cc
new file mode 100644
index 000000000..a4fc4d311
--- /dev/null
+++ b/pw_digital_io_mcuxpresso/interrupt_line.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_mcuxpresso/interrupt_line.h"
+
+#include "pw_digital_io/digital_io.h"
+#include "pw_digital_io_mcuxpresso/interrupt_controller.h"
+#include "pw_result/result.h"
+#include "pw_status/status.h"
+#include "pw_sync/borrow.h"
+
+namespace pw::digital_io {
+
+McuxpressoDigitalInInterrupt::McuxpressoDigitalInInterrupt(
+    pw::sync::Borrowable<McuxpressoInterruptController>& controller,
+    pint_pin_int_t pin)
+    : controller_(controller), pin_(pin) {}
+
+pw::Status McuxpressoDigitalInInterrupt::DoEnable(bool) {
+  // Can not enabled at individual line level. Only at controller level, which
+  // is always enabled.
+  return pw::OkStatus();
+}
+
+pw::Result<pw::digital_io::State> McuxpressoDigitalInInterrupt::DoGetState() {
+  return controller_.acquire()->GetState(pin_);
+}
+
+pw::Status McuxpressoDigitalInInterrupt::DoSetInterruptHandler(
+    pw::digital_io::InterruptTrigger trigger,
+    pw::digital_io::InterruptHandler&& handler) {
+  return controller_.acquire()->Config(pin_, trigger, std::move(handler));
+}
+
+pw::Status McuxpressoDigitalInInterrupt::DoEnableInterruptHandler(bool enable) {
+  return controller_.acquire()->EnableHandler(pin_, enable);
+}
+
+}  // namespace pw::digital_io