Martin Werluschnig / Mbed 2 deprecated Diplomarbeit_MW_CW

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Dependencies:   mbed

inc/InterruptIn.h@1:ff38e3bad33a, 2018-11-15 (annotated)

Committer:
martwerl
Date:
Thu Nov 15 17:59:08 2018 +0000
Revision:
1:ff38e3bad33a
Parent:
0:afeca64a6543 
Diplomarbeit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
martwerl 0:afeca64a6543 1 /* mbed Microcontroller Library
martwerl 0:afeca64a6543 2 * Copyright (c) 2006-2013 ARM Limited
martwerl 0:afeca64a6543 3 *
martwerl 0:afeca64a6543 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
martwerl 0:afeca64a6543 5 * of this software and associated documentation files (the "Software"), to deal
martwerl 0:afeca64a6543 6 * in the Software without restriction, including without limitation the rights
martwerl 0:afeca64a6543 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
martwerl 0:afeca64a6543 8 * copies of the Software, and to permit persons to whom the Software is
martwerl 0:afeca64a6543 9 * furnished to do so, subject to the following conditions:
martwerl 0:afeca64a6543 10 *
martwerl 0:afeca64a6543 11 * The above copyright notice and this permission notice shall be included in
martwerl 0:afeca64a6543 12 * all copies or substantial portions of the Software.
martwerl 0:afeca64a6543 13 *
martwerl 0:afeca64a6543 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
martwerl 0:afeca64a6543 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
martwerl 0:afeca64a6543 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
martwerl 0:afeca64a6543 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
martwerl 0:afeca64a6543 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
martwerl 0:afeca64a6543 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
martwerl 0:afeca64a6543 20 * SOFTWARE.
martwerl 0:afeca64a6543 21 */
martwerl 0:afeca64a6543 22 #ifndef MBED_INTERRUPTIN_H
martwerl 0:afeca64a6543 23 #define MBED_INTERRUPTIN_H
martwerl 0:afeca64a6543 24
martwerl 0:afeca64a6543 25 #include "platform.h"
martwerl 0:afeca64a6543 26
martwerl 0:afeca64a6543 27 #if DEVICE_INTERRUPTIN
martwerl 0:afeca64a6543 28
martwerl 0:afeca64a6543 29 #include "gpio_api.h"
martwerl 0:afeca64a6543 30 #include "gpio_irq_api.h"
martwerl 0:afeca64a6543 31
martwerl 0:afeca64a6543 32 #include "FunctionPointer.h"
martwerl 0:afeca64a6543 33
martwerl 0:afeca64a6543 34 namespace mbed {
martwerl 0:afeca64a6543 35
martwerl 0:afeca64a6543 36 /** A digital interrupt input, used to call a function on a rising or falling edge
martwerl 0:afeca64a6543 37 *
martwerl 0:afeca64a6543 38 * Example:
martwerl 0:afeca64a6543 39 * @code
martwerl 0:afeca64a6543 40 * // Flash an LED while waiting for events
martwerl 0:afeca64a6543 41 *
martwerl 0:afeca64a6543 42 * #include "mbed.h"
martwerl 0:afeca64a6543 43 *
martwerl 0:afeca64a6543 44 * InterruptIn event(p16);
martwerl 0:afeca64a6543 45 * DigitalOut led(LED1);
martwerl 0:afeca64a6543 46 *
martwerl 0:afeca64a6543 47 * void trigger() {
martwerl 0:afeca64a6543 48 * printf("triggered!\n");
martwerl 0:afeca64a6543 49 * }
martwerl 0:afeca64a6543 50 *
martwerl 0:afeca64a6543 51 * int main() {
martwerl 0:afeca64a6543 52 * event.rise(&trigger);
martwerl 0:afeca64a6543 53 * while(1) {
martwerl 0:afeca64a6543 54 * led = !led;
martwerl 0:afeca64a6543 55 * wait(0.25);
martwerl 0:afeca64a6543 56 * }
martwerl 0:afeca64a6543 57 * }
martwerl 0:afeca64a6543 58 * @endcode
martwerl 0:afeca64a6543 59 */
martwerl 0:afeca64a6543 60 class InterruptIn {
martwerl 0:afeca64a6543 61
martwerl 0:afeca64a6543 62 public:
martwerl 0:afeca64a6543 63
martwerl 0:afeca64a6543 64 /** Create an InterruptIn connected to the specified pin
martwerl 0:afeca64a6543 65 *
martwerl 0:afeca64a6543 66 * @param pin InterruptIn pin to connect to
martwerl 0:afeca64a6543 67 * @param name (optional) A string to identify the object
martwerl 0:afeca64a6543 68 */
martwerl 0:afeca64a6543 69 InterruptIn(PinName pin);
martwerl 0:afeca64a6543 70 virtual ~InterruptIn();
martwerl 0:afeca64a6543 71
martwerl 0:afeca64a6543 72 int read();
martwerl 0:afeca64a6543 73 #ifdef MBED_OPERATORS
martwerl 0:afeca64a6543 74 operator int();
martwerl 0:afeca64a6543 75
martwerl 0:afeca64a6543 76 #endif
martwerl 0:afeca64a6543 77
martwerl 0:afeca64a6543 78 /** Attach a function to call when a rising edge occurs on the input
martwerl 0:afeca64a6543 79 *
martwerl 0:afeca64a6543 80 * @param fptr A pointer to a void function, or 0 to set as none
martwerl 0:afeca64a6543 81 */
martwerl 0:afeca64a6543 82 void rise(void (*fptr)(void));
martwerl 0:afeca64a6543 83
martwerl 0:afeca64a6543 84 /** Attach a member function to call when a rising edge occurs on the input
martwerl 0:afeca64a6543 85 *
martwerl 0:afeca64a6543 86 * @param tptr pointer to the object to call the member function on
martwerl 0:afeca64a6543 87 * @param mptr pointer to the member function to be called
martwerl 0:afeca64a6543 88 */
martwerl 0:afeca64a6543 89 template<typename T>
martwerl 0:afeca64a6543 90 void rise(T* tptr, void (T::*mptr)(void)) {
martwerl 0:afeca64a6543 91 _rise.attach(tptr, mptr);
martwerl 0:afeca64a6543 92 gpio_irq_set(&gpio_irq, IRQ_RISE, 1);
martwerl 0:afeca64a6543 93 }
martwerl 0:afeca64a6543 94
martwerl 0:afeca64a6543 95 /** Attach a function to call when a falling edge occurs on the input
martwerl 0:afeca64a6543 96 *
martwerl 0:afeca64a6543 97 * @param fptr A pointer to a void function, or 0 to set as none
martwerl 0:afeca64a6543 98 */
martwerl 0:afeca64a6543 99 void fall(void (*fptr)(void));
martwerl 0:afeca64a6543 100
martwerl 0:afeca64a6543 101 /** Attach a member function to call when a falling edge occurs on the input
martwerl 0:afeca64a6543 102 *
martwerl 0:afeca64a6543 103 * @param tptr pointer to the object to call the member function on
martwerl 0:afeca64a6543 104 * @param mptr pointer to the member function to be called
martwerl 0:afeca64a6543 105 */
martwerl 0:afeca64a6543 106 template<typename T>
martwerl 0:afeca64a6543 107 void fall(T* tptr, void (T::*mptr)(void)) {
martwerl 0:afeca64a6543 108 _fall.attach(tptr, mptr);
martwerl 0:afeca64a6543 109 gpio_irq_set(&gpio_irq, IRQ_FALL, 1);
martwerl 0:afeca64a6543 110 }
martwerl 0:afeca64a6543 111
martwerl 0:afeca64a6543 112 /** Set the input pin mode
martwerl 0:afeca64a6543 113 *
martwerl 0:afeca64a6543 114 * @param mode PullUp, PullDown, PullNone
martwerl 0:afeca64a6543 115 */
martwerl 0:afeca64a6543 116 void mode(PinMode pull);
martwerl 0:afeca64a6543 117
martwerl 0:afeca64a6543 118 static void _irq_handler(uint32_t id, gpio_irq_event event);
martwerl 0:afeca64a6543 119
martwerl 0:afeca64a6543 120 protected:
martwerl 0:afeca64a6543 121 gpio_t gpio;
martwerl 0:afeca64a6543 122 gpio_irq_t gpio_irq;
martwerl 0:afeca64a6543 123
martwerl 0:afeca64a6543 124 FunctionPointer _rise;
martwerl 0:afeca64a6543 125 FunctionPointer _fall;
martwerl 0:afeca64a6543 126 };
martwerl 0:afeca64a6543 127
martwerl 0:afeca64a6543 128 } // namespace mbed
martwerl 0:afeca64a6543 129
martwerl 0:afeca64a6543 130 #endif
martwerl 0:afeca64a6543 131
martwerl 0:afeca64a6543 132 #endif
martwerl 0:afeca64a6543 133