Yihui Xiong
/
Seeed_nRF51822_Motion
initial
Diff: mbed-src/common/InterruptIn.cpp
- Revision:
- 1:9d3b497333c0
- Parent:
- 0:638edba3adf6
--- a/mbed-src/common/InterruptIn.cpp Mon Jan 11 02:32:24 2016 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,85 +0,0 @@ -/* mbed Microcontroller Library - * Copyright (c) 2006-2013 ARM Limited - * - * 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 "InterruptIn.h" - -#if DEVICE_INTERRUPTIN - -namespace mbed { - -InterruptIn::InterruptIn(PinName pin) : gpio(), - gpio_irq(), - _rise(), - _fall() { - gpio_irq_init(&gpio_irq, pin, (&InterruptIn::_irq_handler), (uint32_t)this); - gpio_init_in(&gpio, pin); -} - -InterruptIn::~InterruptIn() { - gpio_irq_free(&gpio_irq); -} - -int InterruptIn::read() { - return gpio_read(&gpio); -} - -void InterruptIn::mode(PinMode pull) { - gpio_mode(&gpio, pull); -} - -void InterruptIn::rise(void (*fptr)(void)) { - if (fptr) { - _rise.attach(fptr); - gpio_irq_set(&gpio_irq, IRQ_RISE, 1); - } else { - gpio_irq_set(&gpio_irq, IRQ_RISE, 0); - } -} - -void InterruptIn::fall(void (*fptr)(void)) { - if (fptr) { - _fall.attach(fptr); - gpio_irq_set(&gpio_irq, IRQ_FALL, 1); - } else { - gpio_irq_set(&gpio_irq, IRQ_FALL, 0); - } -} - -void InterruptIn::_irq_handler(uint32_t id, gpio_irq_event event) { - InterruptIn *handler = (InterruptIn*)id; - switch (event) { - case IRQ_RISE: handler->_rise.call(); break; - case IRQ_FALL: handler->_fall.call(); break; - case IRQ_NONE: break; - } -} - -void InterruptIn::enable_irq() { - gpio_irq_enable(&gpio_irq); -} - -void InterruptIn::disable_irq() { - gpio_irq_disable(&gpio_irq); -} - -#ifdef MBED_OPERATORS -InterruptIn::operator int() { - return read(); -} -#endif - -} // namespace mbed - -#endif