George Roussos / BLE_Temperature_Exercise

BLE Temperature Service Mobile and Ubiquitous Computing Module Birkbeck College

Dependencies:   DS1820

mbed/InterruptIn.h@0:dd0fea342ad2, 2015-03-08 (annotated)

Committer:
gkroussos
Date:
Sun Mar 08 19:42:20 2015 +0000
Revision:
0:dd0fea342ad2
BLE Temperature Service ; Mobile and Ubiquitous Computing Module; Birkbeck College

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gkroussos 0:dd0fea342ad2 1 /* mbed Microcontroller Library
gkroussos 0:dd0fea342ad2 2 * Copyright (c) 2006-2013 ARM Limited
gkroussos 0:dd0fea342ad2 3 *
gkroussos 0:dd0fea342ad2 4 * Licensed under the Apache License, Version 2.0 (the "License");
gkroussos 0:dd0fea342ad2 5 * you may not use this file except in compliance with the License.
gkroussos 0:dd0fea342ad2 6 * You may obtain a copy of the License at
gkroussos 0:dd0fea342ad2 7 *
gkroussos 0:dd0fea342ad2 8 * http://www.apache.org/licenses/LICENSE-2.0
gkroussos 0:dd0fea342ad2 9 *
gkroussos 0:dd0fea342ad2 10 * Unless required by applicable law or agreed to in writing, software
gkroussos 0:dd0fea342ad2 11 * distributed under the License is distributed on an "AS IS" BASIS,
gkroussos 0:dd0fea342ad2 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
gkroussos 0:dd0fea342ad2 13 * See the License for the specific language governing permissions and
gkroussos 0:dd0fea342ad2 14 * limitations under the License.
gkroussos 0:dd0fea342ad2 15 */
gkroussos 0:dd0fea342ad2 16 #ifndef MBED_INTERRUPTIN_H
gkroussos 0:dd0fea342ad2 17 #define MBED_INTERRUPTIN_H
gkroussos 0:dd0fea342ad2 18
gkroussos 0:dd0fea342ad2 19 #include "platform.h"
gkroussos 0:dd0fea342ad2 20
gkroussos 0:dd0fea342ad2 21 #if DEVICE_INTERRUPTIN
gkroussos 0:dd0fea342ad2 22
gkroussos 0:dd0fea342ad2 23 #include "gpio_api.h"
gkroussos 0:dd0fea342ad2 24 #include "gpio_irq_api.h"
gkroussos 0:dd0fea342ad2 25 #include "FunctionPointer.h"
gkroussos 0:dd0fea342ad2 26
gkroussos 0:dd0fea342ad2 27 namespace mbed {
gkroussos 0:dd0fea342ad2 28
gkroussos 0:dd0fea342ad2 29 /** A digital interrupt input, used to call a function on a rising or falling edge
gkroussos 0:dd0fea342ad2 30 *
gkroussos 0:dd0fea342ad2 31 * Example:
gkroussos 0:dd0fea342ad2 32 * @code
gkroussos 0:dd0fea342ad2 33 * // Flash an LED while waiting for events
gkroussos 0:dd0fea342ad2 34 *
gkroussos 0:dd0fea342ad2 35 * #include "mbed.h"
gkroussos 0:dd0fea342ad2 36 *
gkroussos 0:dd0fea342ad2 37 * InterruptIn event(p16);
gkroussos 0:dd0fea342ad2 38 * DigitalOut led(LED1);
gkroussos 0:dd0fea342ad2 39 *
gkroussos 0:dd0fea342ad2 40 * void trigger() {
gkroussos 0:dd0fea342ad2 41 * printf("triggered!\n");
gkroussos 0:dd0fea342ad2 42 * }
gkroussos 0:dd0fea342ad2 43 *
gkroussos 0:dd0fea342ad2 44 * int main() {
gkroussos 0:dd0fea342ad2 45 * event.rise(&trigger);
gkroussos 0:dd0fea342ad2 46 * while(1) {
gkroussos 0:dd0fea342ad2 47 * led = !led;
gkroussos 0:dd0fea342ad2 48 * wait(0.25);
gkroussos 0:dd0fea342ad2 49 * }
gkroussos 0:dd0fea342ad2 50 * }
gkroussos 0:dd0fea342ad2 51 * @endcode
gkroussos 0:dd0fea342ad2 52 */
gkroussos 0:dd0fea342ad2 53 class InterruptIn {
gkroussos 0:dd0fea342ad2 54
gkroussos 0:dd0fea342ad2 55 public:
gkroussos 0:dd0fea342ad2 56
gkroussos 0:dd0fea342ad2 57 /** Create an InterruptIn connected to the specified pin
gkroussos 0:dd0fea342ad2 58 *
gkroussos 0:dd0fea342ad2 59 * @param pin InterruptIn pin to connect to
gkroussos 0:dd0fea342ad2 60 * @param name (optional) A string to identify the object
gkroussos 0:dd0fea342ad2 61 */
gkroussos 0:dd0fea342ad2 62 InterruptIn(PinName pin);
gkroussos 0:dd0fea342ad2 63 virtual ~InterruptIn();
gkroussos 0:dd0fea342ad2 64
gkroussos 0:dd0fea342ad2 65 int read();
gkroussos 0:dd0fea342ad2 66 #ifdef MBED_OPERATORS
gkroussos 0:dd0fea342ad2 67 operator int();
gkroussos 0:dd0fea342ad2 68
gkroussos 0:dd0fea342ad2 69 #endif
gkroussos 0:dd0fea342ad2 70
gkroussos 0:dd0fea342ad2 71 /** Attach a function to call when a rising edge occurs on the input
gkroussos 0:dd0fea342ad2 72 *
gkroussos 0:dd0fea342ad2 73 * @param fptr A pointer to a void function, or 0 to set as none
gkroussos 0:dd0fea342ad2 74 */
gkroussos 0:dd0fea342ad2 75 void rise(void (*fptr)(void));
gkroussos 0:dd0fea342ad2 76
gkroussos 0:dd0fea342ad2 77 /** Attach a member function to call when a rising edge occurs on the input
gkroussos 0:dd0fea342ad2 78 *
gkroussos 0:dd0fea342ad2 79 * @param tptr pointer to the object to call the member function on
gkroussos 0:dd0fea342ad2 80 * @param mptr pointer to the member function to be called
gkroussos 0:dd0fea342ad2 81 */
gkroussos 0:dd0fea342ad2 82 template<typename T>
gkroussos 0:dd0fea342ad2 83 void rise(T* tptr, void (T::*mptr)(void)) {
gkroussos 0:dd0fea342ad2 84 _rise.attach(tptr, mptr);
gkroussos 0:dd0fea342ad2 85 gpio_irq_set(&gpio_irq, IRQ_RISE, 1);
gkroussos 0:dd0fea342ad2 86 }
gkroussos 0:dd0fea342ad2 87
gkroussos 0:dd0fea342ad2 88 /** Attach a function to call when a falling edge occurs on the input
gkroussos 0:dd0fea342ad2 89 *
gkroussos 0:dd0fea342ad2 90 * @param fptr A pointer to a void function, or 0 to set as none
gkroussos 0:dd0fea342ad2 91 */
gkroussos 0:dd0fea342ad2 92 void fall(void (*fptr)(void));
gkroussos 0:dd0fea342ad2 93
gkroussos 0:dd0fea342ad2 94 /** Attach a member function to call when a falling edge occurs on the input
gkroussos 0:dd0fea342ad2 95 *
gkroussos 0:dd0fea342ad2 96 * @param tptr pointer to the object to call the member function on
gkroussos 0:dd0fea342ad2 97 * @param mptr pointer to the member function to be called
gkroussos 0:dd0fea342ad2 98 */
gkroussos 0:dd0fea342ad2 99 template<typename T>
gkroussos 0:dd0fea342ad2 100 void fall(T* tptr, void (T::*mptr)(void)) {
gkroussos 0:dd0fea342ad2 101 _fall.attach(tptr, mptr);
gkroussos 0:dd0fea342ad2 102 gpio_irq_set(&gpio_irq, IRQ_FALL, 1);
gkroussos 0:dd0fea342ad2 103 }
gkroussos 0:dd0fea342ad2 104
gkroussos 0:dd0fea342ad2 105 /** Set the input pin mode
gkroussos 0:dd0fea342ad2 106 *
gkroussos 0:dd0fea342ad2 107 * @param mode PullUp, PullDown, PullNone
gkroussos 0:dd0fea342ad2 108 */
gkroussos 0:dd0fea342ad2 109 void mode(PinMode pull);
gkroussos 0:dd0fea342ad2 110
gkroussos 0:dd0fea342ad2 111 /** Enable IRQ. This method depends on hw implementation, might enable one
gkroussos 0:dd0fea342ad2 112 * port interrupts. For further information, check gpio_irq_enable().
gkroussos 0:dd0fea342ad2 113 */
gkroussos 0:dd0fea342ad2 114 void enable_irq();
gkroussos 0:dd0fea342ad2 115
gkroussos 0:dd0fea342ad2 116 /** Disable IRQ. This method depends on hw implementation, might disable one
gkroussos 0:dd0fea342ad2 117 * port interrupts. For further information, check gpio_irq_disable().
gkroussos 0:dd0fea342ad2 118 */
gkroussos 0:dd0fea342ad2 119 void disable_irq();
gkroussos 0:dd0fea342ad2 120
gkroussos 0:dd0fea342ad2 121 static void _irq_handler(uint32_t id, gpio_irq_event event);
gkroussos 0:dd0fea342ad2 122
gkroussos 0:dd0fea342ad2 123 protected:
gkroussos 0:dd0fea342ad2 124 gpio_t gpio;
gkroussos 0:dd0fea342ad2 125 gpio_irq_t gpio_irq;
gkroussos 0:dd0fea342ad2 126
gkroussos 0:dd0fea342ad2 127 FunctionPointer _rise;
gkroussos 0:dd0fea342ad2 128 FunctionPointer _fall;
gkroussos 0:dd0fea342ad2 129 };
gkroussos 0:dd0fea342ad2 130
gkroussos 0:dd0fea342ad2 131 } // namespace mbed
gkroussos 0:dd0fea342ad2 132
gkroussos 0:dd0fea342ad2 133 #endif
gkroussos 0:dd0fea342ad2 134
gkroussos 0:dd0fea342ad2 135 #endif