Tamura Mizuki / STM32F746_FFT

fft

Dependencies:   BSP_DISCO_F746NG SDFileSystem_Warning_Fixed

mbed_src_STM32F7/common/InterruptIn.cpp@0:3e46577dc273, 2016-10-09 (annotated)

Committer:
MikamiUitOpen
Date:
Sun Oct 09 10:11:14 2016 +0000
Revision:
0:3e46577dc273
1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 0:3e46577dc273 1 /* mbed Microcontroller Library
MikamiUitOpen 0:3e46577dc273 2 * Copyright (c) 2006-2013 ARM Limited
MikamiUitOpen 0:3e46577dc273 3 *
MikamiUitOpen 0:3e46577dc273 4 * Licensed under the Apache License, Version 2.0 (the "License");
MikamiUitOpen 0:3e46577dc273 5 * you may not use this file except in compliance with the License.
MikamiUitOpen 0:3e46577dc273 6 * You may obtain a copy of the License at
MikamiUitOpen 0:3e46577dc273 7 *
MikamiUitOpen 0:3e46577dc273 8 * http://www.apache.org/licenses/LICENSE-2.0
MikamiUitOpen 0:3e46577dc273 9 *
MikamiUitOpen 0:3e46577dc273 10 * Unless required by applicable law or agreed to in writing, software
MikamiUitOpen 0:3e46577dc273 11 * distributed under the License is distributed on an "AS IS" BASIS,
MikamiUitOpen 0:3e46577dc273 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MikamiUitOpen 0:3e46577dc273 13 * See the License for the specific language governing permissions and
MikamiUitOpen 0:3e46577dc273 14 * limitations under the License.
MikamiUitOpen 0:3e46577dc273 15 */
MikamiUitOpen 0:3e46577dc273 16 #include "InterruptIn.h"
MikamiUitOpen 0:3e46577dc273 17
MikamiUitOpen 0:3e46577dc273 18 #if DEVICE_INTERRUPTIN
MikamiUitOpen 0:3e46577dc273 19
MikamiUitOpen 0:3e46577dc273 20 namespace mbed {
MikamiUitOpen 0:3e46577dc273 21
MikamiUitOpen 0:3e46577dc273 22 InterruptIn::InterruptIn(PinName pin) : gpio(),
MikamiUitOpen 0:3e46577dc273 23 gpio_irq(),
MikamiUitOpen 0:3e46577dc273 24 _rise(),
MikamiUitOpen 0:3e46577dc273 25 _fall() {
MikamiUitOpen 0:3e46577dc273 26 gpio_irq_init(&gpio_irq, pin, (&InterruptIn::_irq_handler), (uint32_t)this);
MikamiUitOpen 0:3e46577dc273 27 gpio_init_in(&gpio, pin);
MikamiUitOpen 0:3e46577dc273 28 }
MikamiUitOpen 0:3e46577dc273 29
MikamiUitOpen 0:3e46577dc273 30 InterruptIn::~InterruptIn() {
MikamiUitOpen 0:3e46577dc273 31 gpio_irq_free(&gpio_irq);
MikamiUitOpen 0:3e46577dc273 32 }
MikamiUitOpen 0:3e46577dc273 33
MikamiUitOpen 0:3e46577dc273 34 int InterruptIn::read() {
MikamiUitOpen 0:3e46577dc273 35 return gpio_read(&gpio);
MikamiUitOpen 0:3e46577dc273 36 }
MikamiUitOpen 0:3e46577dc273 37
MikamiUitOpen 0:3e46577dc273 38 void InterruptIn::mode(PinMode pull) {
MikamiUitOpen 0:3e46577dc273 39 gpio_mode(&gpio, pull);
MikamiUitOpen 0:3e46577dc273 40 }
MikamiUitOpen 0:3e46577dc273 41
MikamiUitOpen 0:3e46577dc273 42 void InterruptIn::rise(void (*fptr)(void)) {
MikamiUitOpen 0:3e46577dc273 43 if (fptr) {
MikamiUitOpen 0:3e46577dc273 44 _rise.attach(fptr);
MikamiUitOpen 0:3e46577dc273 45 gpio_irq_set(&gpio_irq, IRQ_RISE, 1);
MikamiUitOpen 0:3e46577dc273 46 } else {
MikamiUitOpen 0:3e46577dc273 47 _rise.attach(NULL);
MikamiUitOpen 0:3e46577dc273 48 gpio_irq_set(&gpio_irq, IRQ_RISE, 0);
MikamiUitOpen 0:3e46577dc273 49 }
MikamiUitOpen 0:3e46577dc273 50 }
MikamiUitOpen 0:3e46577dc273 51
MikamiUitOpen 0:3e46577dc273 52 void InterruptIn::fall(void (*fptr)(void)) {
MikamiUitOpen 0:3e46577dc273 53 if (fptr) {
MikamiUitOpen 0:3e46577dc273 54 _fall.attach(fptr);
MikamiUitOpen 0:3e46577dc273 55 gpio_irq_set(&gpio_irq, IRQ_FALL, 1);
MikamiUitOpen 0:3e46577dc273 56 } else {
MikamiUitOpen 0:3e46577dc273 57 _fall.attach(NULL);
MikamiUitOpen 0:3e46577dc273 58 gpio_irq_set(&gpio_irq, IRQ_FALL, 0);
MikamiUitOpen 0:3e46577dc273 59 }
MikamiUitOpen 0:3e46577dc273 60 }
MikamiUitOpen 0:3e46577dc273 61
MikamiUitOpen 0:3e46577dc273 62 void InterruptIn::_irq_handler(uint32_t id, gpio_irq_event event) {
MikamiUitOpen 0:3e46577dc273 63 InterruptIn *handler = (InterruptIn*)id;
MikamiUitOpen 0:3e46577dc273 64 switch (event) {
MikamiUitOpen 0:3e46577dc273 65 case IRQ_RISE: handler->_rise.call(); break;
MikamiUitOpen 0:3e46577dc273 66 case IRQ_FALL: handler->_fall.call(); break;
MikamiUitOpen 0:3e46577dc273 67 case IRQ_NONE: break;
MikamiUitOpen 0:3e46577dc273 68 }
MikamiUitOpen 0:3e46577dc273 69 }
MikamiUitOpen 0:3e46577dc273 70
MikamiUitOpen 0:3e46577dc273 71 void InterruptIn::enable_irq() {
MikamiUitOpen 0:3e46577dc273 72 gpio_irq_enable(&gpio_irq);
MikamiUitOpen 0:3e46577dc273 73 }
MikamiUitOpen 0:3e46577dc273 74
MikamiUitOpen 0:3e46577dc273 75 void InterruptIn::disable_irq() {
MikamiUitOpen 0:3e46577dc273 76 gpio_irq_disable(&gpio_irq);
MikamiUitOpen 0:3e46577dc273 77 }
MikamiUitOpen 0:3e46577dc273 78
MikamiUitOpen 0:3e46577dc273 79 #ifdef MBED_OPERATORS
MikamiUitOpen 0:3e46577dc273 80 InterruptIn::operator int() {
MikamiUitOpen 0:3e46577dc273 81 return read();
MikamiUitOpen 0:3e46577dc273 82 }
MikamiUitOpen 0:3e46577dc273 83 #endif
MikamiUitOpen 0:3e46577dc273 84
MikamiUitOpen 0:3e46577dc273 85 } // namespace mbed
MikamiUitOpen 0:3e46577dc273 86
MikamiUitOpen 0:3e46577dc273 87 #endif