PortIn.cpp

00001 /* mbed Microcontroller Library
00002  * Copyright (c) 2006-2019 ARM Limited
00003  * SPDX-License-Identifier: Apache-2.0
00004  *
00005  * Licensed under the Apache License, Version 2.0 (the "License");
00006  * you may not use this file except in compliance with the License.
00007  * You may obtain a copy of the License at
00008  *
00009  *     http://www.apache.org/licenses/LICENSE-2.0
00010  *
00011  * Unless required by applicable law or agreed to in writing, software
00012  * distributed under the License is distributed on an "AS IS" BASIS,
00013  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00014  * See the License for the specific language governing permissions and
00015  * limitations under the License.
00016  */
00017 
00018 #include "drivers/PortIn.h"
00019 
00020 
00021 #if DEVICE_PORTIN
00022 
00023 #include "platform/mbed_critical.h"
00024 
00025 namespace mbed {
00026 
00027 PortIn::PortIn(PortName port, int mask)
00028 {
00029     core_util_critical_section_enter();
00030     port_init(&_port, port, mask, PIN_INPUT);
00031     core_util_critical_section_exit();
00032 }
00033 
00034 void PortIn::mode(PinMode mode)
00035 {
00036     core_util_critical_section_enter();
00037     port_mode(&_port, mode);
00038     core_util_critical_section_exit();
00039 }
00040 
00041 } // namespace mbed
00042 
00043 #endif // #if DEVICE_PORTIN