Egor Rumjantsev / mbed

The official mbed C/C SDK provides the software platform and libraries to build your applications.

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InterruptIn.h@59:0883845fe643, 2013-02-18 (annotated)

Committer:
emilmont
Date:
Mon Feb 18 11:12:58 2013 +0000
Revision:
59:0883845fe643
Parent:
55:d722ed6a4237
Child:
65:5798e58a58b1
Add pinmap NC terminators for LPC1768 CAN.

Update the license from MIT to Apache v2.

Make the semihost code target independent using opportune defines for the UID and MAC.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emilmont 44:24d45a770a51 1 /* mbed Microcontroller Library
emilmont 54:71b101360fb9 2 * Copyright (c) 2006-2013 ARM Limited
emilmont 44:24d45a770a51 3 *
emilmont 59:0883845fe643 4 * Licensed under the Apache License, Version 2.0 (the "License");
emilmont 59:0883845fe643 5 * you may not use this file except in compliance with the License.
emilmont 59:0883845fe643 6 * You may obtain a copy of the License at
emilmont 59:0883845fe643 7 *
emilmont 59:0883845fe643 8 * http://www.apache.org/licenses/LICENSE-2.0
emilmont 44:24d45a770a51 9 *
emilmont 59:0883845fe643 10 * Unless required by applicable law or agreed to in writing, software
emilmont 59:0883845fe643 11 * distributed under the License is distributed on an "AS IS" BASIS,
emilmont 59:0883845fe643 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
emilmont 59:0883845fe643 13 * See the License for the specific language governing permissions and
emilmont 59:0883845fe643 14 * limitations under the License.
emilmont 44:24d45a770a51 15 */
rolf.meyer@arm.com 11:1c1ebd0324fa 16 #ifndef MBED_INTERRUPTIN_H
rolf.meyer@arm.com 11:1c1ebd0324fa 17 #define MBED_INTERRUPTIN_H
rolf.meyer@arm.com 11:1c1ebd0324fa 18
emilmont 44:24d45a770a51 19 #include "platform.h"
emilmont 27:7110ebee3484 20
emilmont 27:7110ebee3484 21 #if DEVICE_INTERRUPTIN
emilmont 27:7110ebee3484 22
emilmont 44:24d45a770a51 23 #include "gpio_api.h"
emilmont 44:24d45a770a51 24 #include "gpio_irq_api.h"
rolf.meyer@arm.com 11:1c1ebd0324fa 25
emilmont 44:24d45a770a51 26 #include "FunctionPointer.h"
emilmont 27:7110ebee3484 27
rolf.meyer@arm.com 11:1c1ebd0324fa 28 namespace mbed {
rolf.meyer@arm.com 11:1c1ebd0324fa 29
emilmont 43:e2ed12d17f06 30 /** A digital interrupt input, used to call a function on a rising or falling edge
rolf.meyer@arm.com 11:1c1ebd0324fa 31 *
rolf.meyer@arm.com 11:1c1ebd0324fa 32 * Example:
emilmont 43:e2ed12d17f06 33 * @code
emilmont 43:e2ed12d17f06 34 * // Flash an LED while waiting for events
emilmont 43:e2ed12d17f06 35 *
emilmont 43:e2ed12d17f06 36 * #include "mbed.h"
emilmont 43:e2ed12d17f06 37 *
emilmont 43:e2ed12d17f06 38 * InterruptIn event(p16);
emilmont 43:e2ed12d17f06 39 * DigitalOut led(LED1);
emilmont 43:e2ed12d17f06 40 *
emilmont 43:e2ed12d17f06 41 * void trigger() {
emilmont 43:e2ed12d17f06 42 * printf("triggered!\n");
emilmont 43:e2ed12d17f06 43 * }
emilmont 43:e2ed12d17f06 44 *
emilmont 43:e2ed12d17f06 45 * int main() {
emilmont 43:e2ed12d17f06 46 * event.rise(&trigger);
emilmont 43:e2ed12d17f06 47 * while(1) {
emilmont 43:e2ed12d17f06 48 * led = !led;
emilmont 43:e2ed12d17f06 49 * wait(0.25);
emilmont 43:e2ed12d17f06 50 * }
emilmont 43:e2ed12d17f06 51 * }
emilmont 43:e2ed12d17f06 52 * @endcode
rolf.meyer@arm.com 11:1c1ebd0324fa 53 */
emilmont 44:24d45a770a51 54 class InterruptIn {
rolf.meyer@arm.com 11:1c1ebd0324fa 55
rolf.meyer@arm.com 11:1c1ebd0324fa 56 public:
rolf.meyer@arm.com 11:1c1ebd0324fa 57
emilmont 43:e2ed12d17f06 58 /** Create an InterruptIn connected to the specified pin
rolf.meyer@arm.com 11:1c1ebd0324fa 59 *
emilmont 43:e2ed12d17f06 60 * @param pin InterruptIn pin to connect to
emilmont 43:e2ed12d17f06 61 * @param name (optional) A string to identify the object
rolf.meyer@arm.com 11:1c1ebd0324fa 62 */
emilmont 44:24d45a770a51 63 InterruptIn(PinName pin);
emilmont 27:7110ebee3484 64 virtual ~InterruptIn();
emilmont 55:d722ed6a4237 65
rolf.meyer@arm.com 11:1c1ebd0324fa 66 int read();
rolf.meyer@arm.com 11:1c1ebd0324fa 67 #ifdef MBED_OPERATORS
rolf.meyer@arm.com 11:1c1ebd0324fa 68 operator int();
rolf.meyer@arm.com 11:1c1ebd0324fa 69
rolf.meyer@arm.com 11:1c1ebd0324fa 70 #endif
emilmont 55:d722ed6a4237 71
emilmont 43:e2ed12d17f06 72 /** Attach a function to call when a rising edge occurs on the input
rolf.meyer@arm.com 11:1c1ebd0324fa 73 *
emilmont 43:e2ed12d17f06 74 * @param fptr A pointer to a void function, or 0 to set as none
rolf.meyer@arm.com 11:1c1ebd0324fa 75 */
rolf.meyer@arm.com 11:1c1ebd0324fa 76 void rise(void (*fptr)(void));
rolf.meyer@arm.com 11:1c1ebd0324fa 77
emilmont 43:e2ed12d17f06 78 /** Attach a member function to call when a rising edge occurs on the input
emilmont 55:d722ed6a4237 79 *
emilmont 43:e2ed12d17f06 80 * @param tptr pointer to the object to call the member function on
emilmont 43:e2ed12d17f06 81 * @param mptr pointer to the member function to be called
rolf.meyer@arm.com 11:1c1ebd0324fa 82 */
rolf.meyer@arm.com 11:1c1ebd0324fa 83 template<typename T>
rolf.meyer@arm.com 11:1c1ebd0324fa 84 void rise(T* tptr, void (T::*mptr)(void)) {
rolf.meyer@arm.com 11:1c1ebd0324fa 85 _rise.attach(tptr, mptr);
emilmont 44:24d45a770a51 86 gpio_irq_set(&gpio_irq, IRQ_RISE, 1);
rolf.meyer@arm.com 11:1c1ebd0324fa 87 }
rolf.meyer@arm.com 11:1c1ebd0324fa 88
emilmont 43:e2ed12d17f06 89 /** Attach a function to call when a falling edge occurs on the input
rolf.meyer@arm.com 11:1c1ebd0324fa 90 *
emilmont 43:e2ed12d17f06 91 * @param fptr A pointer to a void function, or 0 to set as none
rolf.meyer@arm.com 11:1c1ebd0324fa 92 */
rolf.meyer@arm.com 11:1c1ebd0324fa 93 void fall(void (*fptr)(void));
rolf.meyer@arm.com 11:1c1ebd0324fa 94
emilmont 43:e2ed12d17f06 95 /** Attach a member function to call when a falling edge occurs on the input
emilmont 55:d722ed6a4237 96 *
emilmont 43:e2ed12d17f06 97 * @param tptr pointer to the object to call the member function on
emilmont 43:e2ed12d17f06 98 * @param mptr pointer to the member function to be called
rolf.meyer@arm.com 11:1c1ebd0324fa 99 */
rolf.meyer@arm.com 11:1c1ebd0324fa 100 template<typename T>
rolf.meyer@arm.com 11:1c1ebd0324fa 101 void fall(T* tptr, void (T::*mptr)(void)) {
rolf.meyer@arm.com 11:1c1ebd0324fa 102 _fall.attach(tptr, mptr);
emilmont 44:24d45a770a51 103 gpio_irq_set(&gpio_irq, IRQ_FALL, 1);
rolf.meyer@arm.com 11:1c1ebd0324fa 104 }
rolf.meyer@arm.com 11:1c1ebd0324fa 105
emilmont 43:e2ed12d17f06 106 /** Set the input pin mode
rolf.meyer@arm.com 11:1c1ebd0324fa 107 *
emilmont 43:e2ed12d17f06 108 * @param mode PullUp, PullDown, PullNone
rolf.meyer@arm.com 11:1c1ebd0324fa 109 */
rolf.meyer@arm.com 11:1c1ebd0324fa 110 void mode(PinMode pull);
emilmont 55:d722ed6a4237 111
emilmont 44:24d45a770a51 112 static void _irq_handler(uint32_t id, gpio_irq_event event);
emilmont 55:d722ed6a4237 113
rolf.meyer@arm.com 11:1c1ebd0324fa 114 protected:
emilmont 44:24d45a770a51 115 gpio_t gpio;
emilmont 44:24d45a770a51 116 gpio_irq_t gpio_irq;
emilmont 55:d722ed6a4237 117
rolf.meyer@arm.com 11:1c1ebd0324fa 118 FunctionPointer _rise;
rolf.meyer@arm.com 11:1c1ebd0324fa 119 FunctionPointer _fall;
rolf.meyer@arm.com 11:1c1ebd0324fa 120 };
rolf.meyer@arm.com 11:1c1ebd0324fa 121
rolf.meyer@arm.com 11:1c1ebd0324fa 122 } // namespace mbed
rolf.meyer@arm.com 11:1c1ebd0324fa 123
rolf.meyer@arm.com 11:1c1ebd0324fa 124 #endif
emilmont 27:7110ebee3484 125
emilmont 27:7110ebee3484 126 #endif