Diff: drivers/source/DigitalInOut.cpp

Revision:

1:9db0e321a9f4

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/drivers/source/DigitalInOut.cpp	Tue Dec 31 06:02:27 2019 +0000
@@ -0,0 +1,53 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2019 ARM Limited
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * 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
+ *
+ *     http://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 "drivers/DigitalInOut.h"
+
+#include "platform/mbed_critical.h"
+
+namespace mbed {
+
+void DigitalInOut::output()
+{
+    core_util_critical_section_enter();
+    gpio_dir(&gpio, PIN_OUTPUT);
+    core_util_critical_section_exit();
+}
+
+void DigitalInOut::input()
+{
+    core_util_critical_section_enter();
+    gpio_dir(&gpio, PIN_INPUT);
+    core_util_critical_section_exit();
+}
+
+void DigitalInOut::mode(PinMode pull)
+{
+    core_util_critical_section_enter();
+    gpio_mode(&gpio, pull);
+    core_util_critical_section_exit();
+}
+
+DigitalInOut &DigitalInOut::operator= (DigitalInOut &rhs)
+{
+    core_util_critical_section_enter();
+    write(rhs.read());
+    core_util_critical_section_exit();
+    return *this;
+}
+
+} // namespace mbed