PokittoLib is the library needed for programming the Pokitto DIY game console (www.pokitto.com)
mbed-pokitto/common/InterruptIn.cpp@5:ea7377f3d1af, 2017-10-11 (annotated)
- Committer:
- Pokitto
- Date:
- Wed Oct 11 20:35:27 2017 +0000
- Revision:
- 5:ea7377f3d1af
Fixed PokittoLib. Includes a working custom mbed-src
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Pokitto | 5:ea7377f3d1af | 1 | /* mbed Microcontroller Library |
Pokitto | 5:ea7377f3d1af | 2 | * Copyright (c) 2006-2013 ARM Limited |
Pokitto | 5:ea7377f3d1af | 3 | * |
Pokitto | 5:ea7377f3d1af | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
Pokitto | 5:ea7377f3d1af | 5 | * you may not use this file except in compliance with the License. |
Pokitto | 5:ea7377f3d1af | 6 | * You may obtain a copy of the License at |
Pokitto | 5:ea7377f3d1af | 7 | * |
Pokitto | 5:ea7377f3d1af | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
Pokitto | 5:ea7377f3d1af | 9 | * |
Pokitto | 5:ea7377f3d1af | 10 | * Unless required by applicable law or agreed to in writing, software |
Pokitto | 5:ea7377f3d1af | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
Pokitto | 5:ea7377f3d1af | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
Pokitto | 5:ea7377f3d1af | 13 | * See the License for the specific language governing permissions and |
Pokitto | 5:ea7377f3d1af | 14 | * limitations under the License. |
Pokitto | 5:ea7377f3d1af | 15 | */ |
Pokitto | 5:ea7377f3d1af | 16 | #include "InterruptIn.h" |
Pokitto | 5:ea7377f3d1af | 17 | |
Pokitto | 5:ea7377f3d1af | 18 | #if DEVICE_INTERRUPTIN |
Pokitto | 5:ea7377f3d1af | 19 | |
Pokitto | 5:ea7377f3d1af | 20 | namespace mbed { |
Pokitto | 5:ea7377f3d1af | 21 | |
Pokitto | 5:ea7377f3d1af | 22 | InterruptIn::InterruptIn(PinName pin) : gpio(), |
Pokitto | 5:ea7377f3d1af | 23 | gpio_irq(), |
Pokitto | 5:ea7377f3d1af | 24 | _rise(), |
Pokitto | 5:ea7377f3d1af | 25 | _fall() { |
Pokitto | 5:ea7377f3d1af | 26 | gpio_irq_init(&gpio_irq, pin, (&InterruptIn::_irq_handler), (uint32_t)this); |
Pokitto | 5:ea7377f3d1af | 27 | gpio_init_in(&gpio, pin); |
Pokitto | 5:ea7377f3d1af | 28 | } |
Pokitto | 5:ea7377f3d1af | 29 | |
Pokitto | 5:ea7377f3d1af | 30 | InterruptIn::~InterruptIn() { |
Pokitto | 5:ea7377f3d1af | 31 | gpio_irq_free(&gpio_irq); |
Pokitto | 5:ea7377f3d1af | 32 | } |
Pokitto | 5:ea7377f3d1af | 33 | |
Pokitto | 5:ea7377f3d1af | 34 | int InterruptIn::read() { |
Pokitto | 5:ea7377f3d1af | 35 | return gpio_read(&gpio); |
Pokitto | 5:ea7377f3d1af | 36 | } |
Pokitto | 5:ea7377f3d1af | 37 | |
Pokitto | 5:ea7377f3d1af | 38 | void InterruptIn::mode(PinMode pull) { |
Pokitto | 5:ea7377f3d1af | 39 | gpio_mode(&gpio, pull); |
Pokitto | 5:ea7377f3d1af | 40 | } |
Pokitto | 5:ea7377f3d1af | 41 | |
Pokitto | 5:ea7377f3d1af | 42 | void InterruptIn::rise(void (*fptr)(void)) { |
Pokitto | 5:ea7377f3d1af | 43 | if (fptr) { |
Pokitto | 5:ea7377f3d1af | 44 | _rise.attach(fptr); |
Pokitto | 5:ea7377f3d1af | 45 | gpio_irq_set(&gpio_irq, IRQ_RISE, 1); |
Pokitto | 5:ea7377f3d1af | 46 | } else { |
Pokitto | 5:ea7377f3d1af | 47 | gpio_irq_set(&gpio_irq, IRQ_RISE, 0); |
Pokitto | 5:ea7377f3d1af | 48 | } |
Pokitto | 5:ea7377f3d1af | 49 | } |
Pokitto | 5:ea7377f3d1af | 50 | |
Pokitto | 5:ea7377f3d1af | 51 | void InterruptIn::fall(void (*fptr)(void)) { |
Pokitto | 5:ea7377f3d1af | 52 | if (fptr) { |
Pokitto | 5:ea7377f3d1af | 53 | _fall.attach(fptr); |
Pokitto | 5:ea7377f3d1af | 54 | gpio_irq_set(&gpio_irq, IRQ_FALL, 1); |
Pokitto | 5:ea7377f3d1af | 55 | } else { |
Pokitto | 5:ea7377f3d1af | 56 | gpio_irq_set(&gpio_irq, IRQ_FALL, 0); |
Pokitto | 5:ea7377f3d1af | 57 | } |
Pokitto | 5:ea7377f3d1af | 58 | } |
Pokitto | 5:ea7377f3d1af | 59 | |
Pokitto | 5:ea7377f3d1af | 60 | void InterruptIn::_irq_handler(uint32_t id, gpio_irq_event event) { |
Pokitto | 5:ea7377f3d1af | 61 | InterruptIn *handler = (InterruptIn*)id; |
Pokitto | 5:ea7377f3d1af | 62 | switch (event) { |
Pokitto | 5:ea7377f3d1af | 63 | case IRQ_RISE: handler->_rise.call(); break; |
Pokitto | 5:ea7377f3d1af | 64 | case IRQ_FALL: handler->_fall.call(); break; |
Pokitto | 5:ea7377f3d1af | 65 | case IRQ_NONE: break; |
Pokitto | 5:ea7377f3d1af | 66 | } |
Pokitto | 5:ea7377f3d1af | 67 | } |
Pokitto | 5:ea7377f3d1af | 68 | |
Pokitto | 5:ea7377f3d1af | 69 | void InterruptIn::enable_irq() { |
Pokitto | 5:ea7377f3d1af | 70 | gpio_irq_enable(&gpio_irq); |
Pokitto | 5:ea7377f3d1af | 71 | } |
Pokitto | 5:ea7377f3d1af | 72 | |
Pokitto | 5:ea7377f3d1af | 73 | void InterruptIn::disable_irq() { |
Pokitto | 5:ea7377f3d1af | 74 | gpio_irq_disable(&gpio_irq); |
Pokitto | 5:ea7377f3d1af | 75 | } |
Pokitto | 5:ea7377f3d1af | 76 | |
Pokitto | 5:ea7377f3d1af | 77 | #ifdef MBED_OPERATORS |
Pokitto | 5:ea7377f3d1af | 78 | InterruptIn::operator int() { |
Pokitto | 5:ea7377f3d1af | 79 | return read(); |
Pokitto | 5:ea7377f3d1af | 80 | } |
Pokitto | 5:ea7377f3d1af | 81 | #endif |
Pokitto | 5:ea7377f3d1af | 82 | |
Pokitto | 5:ea7377f3d1af | 83 | } // namespace mbed |
Pokitto | 5:ea7377f3d1af | 84 | |
Pokitto | 5:ea7377f3d1af | 85 | #endif |