Test code for Grove Node BLE
Dependencies: BLE_API nRF51822
Fork of BLE_LoopbackUART by
InterruptIn.cpp
00001 /* mbed Microcontroller Library 00002 * Copyright (c) 2006-2013 ARM Limited 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 #include "InterruptIn.h" 00017 00018 #if DEVICE_INTERRUPTIN 00019 00020 namespace mbed { 00021 00022 InterruptIn::InterruptIn(PinName pin) : gpio(), 00023 gpio_irq(), 00024 _rise(), 00025 _fall() { 00026 gpio_irq_init(&gpio_irq, pin, (&InterruptIn::_irq_handler), (uint32_t)this); 00027 gpio_init_in(&gpio, pin); 00028 } 00029 00030 InterruptIn::~InterruptIn() { 00031 gpio_irq_free(&gpio_irq); 00032 } 00033 00034 int InterruptIn::read() { 00035 return gpio_read(&gpio); 00036 } 00037 00038 void InterruptIn::mode(PinMode pull) { 00039 gpio_mode(&gpio, pull); 00040 } 00041 00042 void InterruptIn::rise(void (*fptr)(void)) { 00043 if (fptr) { 00044 _rise.attach(fptr); 00045 gpio_irq_set(&gpio_irq, IRQ_RISE, 1); 00046 } else { 00047 gpio_irq_set(&gpio_irq, IRQ_RISE, 0); 00048 } 00049 } 00050 00051 void InterruptIn::fall(void (*fptr)(void)) { 00052 if (fptr) { 00053 _fall.attach(fptr); 00054 gpio_irq_set(&gpio_irq, IRQ_FALL, 1); 00055 } else { 00056 gpio_irq_set(&gpio_irq, IRQ_FALL, 0); 00057 } 00058 } 00059 00060 void InterruptIn::_irq_handler(uint32_t id, gpio_irq_event event) { 00061 InterruptIn *handler = (InterruptIn*)id; 00062 switch (event) { 00063 case IRQ_RISE: handler->_rise.call(); break; 00064 case IRQ_FALL: handler->_fall.call(); break; 00065 case IRQ_NONE: break; 00066 } 00067 } 00068 00069 void InterruptIn::enable_irq() { 00070 gpio_irq_enable(&gpio_irq); 00071 } 00072 00073 void InterruptIn::disable_irq() { 00074 gpio_irq_disable(&gpio_irq); 00075 } 00076 00077 #ifdef MBED_OPERATORS 00078 InterruptIn::operator int() { 00079 return read(); 00080 } 00081 #endif 00082 00083 } // namespace mbed 00084 00085 #endif
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