mbed-os/drivers/source/DigitalInOut.cpp

54 lines
1.4 KiB
C++

/* 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