Emilio Monti / mbed-KL25Z

mbed libraries for KL25Z

Dependents:   FRDM_RGBLED

InterruptIn.h@7:73c5efe92a6c, 2012-10-23 (annotated)

Committer:
emilmont
Date:
Tue Oct 23 09:20:18 2012 +0000
Revision:
7:73c5efe92a6c
Parent:
0:8024c367e29f
Child:
8:c14af7958ef5
Make the C++ library completely TARGET independent.; Implement "gpio_irq_api" and "port_api" to KL25Z.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emilmont 0:8024c367e29f 1 /* mbed Microcontroller Library - InterruptIn
emilmont 0:8024c367e29f 2 * Copyright (c) 2006-2011 ARM Limited. All rights reserved.
emilmont 7:73c5efe92a6c 3 */
emilmont 0:8024c367e29f 4 #ifndef MBED_INTERRUPTIN_H
emilmont 0:8024c367e29f 5 #define MBED_INTERRUPTIN_H
emilmont 0:8024c367e29f 6
emilmont 0:8024c367e29f 7 #include "device.h"
emilmont 0:8024c367e29f 8
emilmont 0:8024c367e29f 9 #if DEVICE_INTERRUPTIN
emilmont 0:8024c367e29f 10
emilmont 7:73c5efe92a6c 11 #include "gpio_api.h"
emilmont 7:73c5efe92a6c 12 #include "gpio_irq_api.h"
emilmont 7:73c5efe92a6c 13
emilmont 0:8024c367e29f 14 #include "platform.h"
emilmont 0:8024c367e29f 15 #include "Base.h"
emilmont 0:8024c367e29f 16 #include "FunctionPointer.h"
emilmont 0:8024c367e29f 17
emilmont 0:8024c367e29f 18 namespace mbed {
emilmont 0:8024c367e29f 19
emilmont 0:8024c367e29f 20 /* Class: InterruptIn
emilmont 0:8024c367e29f 21 * A digital interrupt input, used to call a function on a rising or falling edge
emilmont 0:8024c367e29f 22 *
emilmont 0:8024c367e29f 23 * Example:
emilmont 0:8024c367e29f 24 * > // Flash an LED while waiting for events
emilmont 0:8024c367e29f 25 * >
emilmont 0:8024c367e29f 26 * > #include "mbed.h"
emilmont 0:8024c367e29f 27 * >
emilmont 0:8024c367e29f 28 * > InterruptIn event(p16);
emilmont 0:8024c367e29f 29 * > DigitalOut led(LED1);
emilmont 0:8024c367e29f 30 * >
emilmont 0:8024c367e29f 31 * > void trigger() {
emilmont 0:8024c367e29f 32 * > printf("triggered!\n");
emilmont 0:8024c367e29f 33 * > }
emilmont 0:8024c367e29f 34 * >
emilmont 0:8024c367e29f 35 * > int main() {
emilmont 0:8024c367e29f 36 * > event.rise(&trigger);
emilmont 0:8024c367e29f 37 * > while(1) {
emilmont 0:8024c367e29f 38 * > led = !led;
emilmont 0:8024c367e29f 39 * > wait(0.25);
emilmont 0:8024c367e29f 40 * > }
emilmont 0:8024c367e29f 41 * > }
emilmont 0:8024c367e29f 42 */
emilmont 0:8024c367e29f 43 class InterruptIn : public Base {
emilmont 0:8024c367e29f 44
emilmont 0:8024c367e29f 45 public:
emilmont 0:8024c367e29f 46
emilmont 0:8024c367e29f 47 /* Constructor: InterruptIn
emilmont 0:8024c367e29f 48 * Create an InterruptIn connected to the specified pin
emilmont 0:8024c367e29f 49 *
emilmont 0:8024c367e29f 50 * Variables:
emilmont 0:8024c367e29f 51 * pin - InterruptIn pin to connect to
emilmont 0:8024c367e29f 52 * name - (optional) A string to identify the object
emilmont 0:8024c367e29f 53 */
emilmont 0:8024c367e29f 54 InterruptIn(PinName pin, const char *name = NULL);
emilmont 0:8024c367e29f 55 virtual ~InterruptIn();
emilmont 0:8024c367e29f 56
emilmont 0:8024c367e29f 57 int read();
emilmont 0:8024c367e29f 58 #ifdef MBED_OPERATORS
emilmont 0:8024c367e29f 59 operator int();
emilmont 0:8024c367e29f 60
emilmont 0:8024c367e29f 61 #endif
emilmont 0:8024c367e29f 62
emilmont 0:8024c367e29f 63 /* Function: rise
emilmont 0:8024c367e29f 64 * Attach a function to call when a rising edge occurs on the input
emilmont 0:8024c367e29f 65 *
emilmont 0:8024c367e29f 66 * Variables:
emilmont 0:8024c367e29f 67 * fptr - A pointer to a void function, or 0 to set as none
emilmont 0:8024c367e29f 68 */
emilmont 0:8024c367e29f 69 void rise(void (*fptr)(void));
emilmont 0:8024c367e29f 70
emilmont 0:8024c367e29f 71 /* Function: rise
emilmont 0:8024c367e29f 72 * Attach a member function to call when a rising edge occurs on the input
emilmont 0:8024c367e29f 73 *
emilmont 0:8024c367e29f 74 * Variables:
emilmont 0:8024c367e29f 75 * tptr - pointer to the object to call the member function on
emilmont 0:8024c367e29f 76 * mptr - pointer to the member function to be called
emilmont 0:8024c367e29f 77 */
emilmont 0:8024c367e29f 78 template<typename T>
emilmont 0:8024c367e29f 79 void rise(T* tptr, void (T::*mptr)(void)) {
emilmont 0:8024c367e29f 80 _rise.attach(tptr, mptr);
emilmont 7:73c5efe92a6c 81 gpio_irq_set(&gpio_irq, IRQ_RISE, 1);
emilmont 0:8024c367e29f 82 }
emilmont 0:8024c367e29f 83
emilmont 0:8024c367e29f 84 /* Function: fall
emilmont 0:8024c367e29f 85 * Attach a function to call when a falling edge occurs on the input
emilmont 0:8024c367e29f 86 *
emilmont 0:8024c367e29f 87 * Variables:
emilmont 0:8024c367e29f 88 * fptr - A pointer to a void function, or 0 to set as none
emilmont 0:8024c367e29f 89 */
emilmont 0:8024c367e29f 90 void fall(void (*fptr)(void));
emilmont 0:8024c367e29f 91
emilmont 0:8024c367e29f 92 /* Function: fall
emilmont 0:8024c367e29f 93 * Attach a member function to call when a falling edge occurs on the input
emilmont 0:8024c367e29f 94 *
emilmont 0:8024c367e29f 95 * Variables:
emilmont 0:8024c367e29f 96 * tptr - pointer to the object to call the member function on
emilmont 0:8024c367e29f 97 * mptr - pointer to the member function to be called
emilmont 0:8024c367e29f 98 */
emilmont 0:8024c367e29f 99 template<typename T>
emilmont 0:8024c367e29f 100 void fall(T* tptr, void (T::*mptr)(void)) {
emilmont 0:8024c367e29f 101 _fall.attach(tptr, mptr);
emilmont 7:73c5efe92a6c 102 gpio_irq_set(&gpio_irq, IRQ_FALL, 1);
emilmont 0:8024c367e29f 103 }
emilmont 0:8024c367e29f 104
emilmont 0:8024c367e29f 105 /* Function: mode
emilmont 0:8024c367e29f 106 * Set the input pin mode
emilmont 0:8024c367e29f 107 *
emilmont 0:8024c367e29f 108 * Variables:
emilmont 0:8024c367e29f 109 * mode - PullUp, PullDown, PullNone
emilmont 0:8024c367e29f 110 */
emilmont 0:8024c367e29f 111 void mode(PinMode pull);
emilmont 0:8024c367e29f 112
emilmont 7:73c5efe92a6c 113 static void _irq_handler(uint32_t id, gpio_irq_event event);
emilmont 0:8024c367e29f 114
emilmont 0:8024c367e29f 115 protected:
emilmont 0:8024c367e29f 116 gpio_object gpio;
emilmont 7:73c5efe92a6c 117 gpio_irq_object gpio_irq;
emilmont 7:73c5efe92a6c 118
emilmont 0:8024c367e29f 119 FunctionPointer _rise;
emilmont 0:8024c367e29f 120 FunctionPointer _fall;
emilmont 0:8024c367e29f 121 };
emilmont 0:8024c367e29f 122
emilmont 0:8024c367e29f 123 } // namespace mbed
emilmont 0:8024c367e29f 124
emilmont 0:8024c367e29f 125 #endif
emilmont 0:8024c367e29f 126
emilmont 0:8024c367e29f 127 #endif