Emilio Monti / mbed-KL25Z

mbed libraries for KL25Z

Dependents:   FRDM_RGBLED

InterruptIn.h@0:8024c367e29f, 2012-10-05 (annotated)

Committer:
emilmont
Date:
Fri Oct 05 09:16:41 2012 +0000
Revision:
0:8024c367e29f
Child:
7:73c5efe92a6c
First release of the mbed libraries for 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 0:8024c367e29f 3 */
emilmont 0:8024c367e29f 4
emilmont 0:8024c367e29f 5 #ifndef MBED_INTERRUPTIN_H
emilmont 0:8024c367e29f 6 #define MBED_INTERRUPTIN_H
emilmont 0:8024c367e29f 7
emilmont 0:8024c367e29f 8 #include "device.h"
emilmont 0:8024c367e29f 9
emilmont 0:8024c367e29f 10 #if DEVICE_INTERRUPTIN
emilmont 0:8024c367e29f 11
emilmont 0:8024c367e29f 12 #include "platform.h"
emilmont 0:8024c367e29f 13 #include "gpio_api.h"
emilmont 0:8024c367e29f 14 #include "PeripheralNames.h"
emilmont 0:8024c367e29f 15 #include "Base.h"
emilmont 0:8024c367e29f 16 #include "FunctionPointer.h"
emilmont 0:8024c367e29f 17
emilmont 0:8024c367e29f 18 #if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
emilmont 0:8024c367e29f 19 #define CHANNEL_NUM 48
emilmont 0:8024c367e29f 20 #elif defined(TARGET_LPC11U24)
emilmont 0:8024c367e29f 21 #define CHANNEL_NUM 8
emilmont 0:8024c367e29f 22 #endif
emilmont 0:8024c367e29f 23
emilmont 0:8024c367e29f 24 namespace mbed {
emilmont 0:8024c367e29f 25
emilmont 0:8024c367e29f 26 /* Class: InterruptIn
emilmont 0:8024c367e29f 27 * A digital interrupt input, used to call a function on a rising or falling edge
emilmont 0:8024c367e29f 28 *
emilmont 0:8024c367e29f 29 * Example:
emilmont 0:8024c367e29f 30 * > // Flash an LED while waiting for events
emilmont 0:8024c367e29f 31 * >
emilmont 0:8024c367e29f 32 * > #include "mbed.h"
emilmont 0:8024c367e29f 33 * >
emilmont 0:8024c367e29f 34 * > InterruptIn event(p16);
emilmont 0:8024c367e29f 35 * > DigitalOut led(LED1);
emilmont 0:8024c367e29f 36 * >
emilmont 0:8024c367e29f 37 * > void trigger() {
emilmont 0:8024c367e29f 38 * > printf("triggered!\n");
emilmont 0:8024c367e29f 39 * > }
emilmont 0:8024c367e29f 40 * >
emilmont 0:8024c367e29f 41 * > int main() {
emilmont 0:8024c367e29f 42 * > event.rise(&trigger);
emilmont 0:8024c367e29f 43 * > while(1) {
emilmont 0:8024c367e29f 44 * > led = !led;
emilmont 0:8024c367e29f 45 * > wait(0.25);
emilmont 0:8024c367e29f 46 * > }
emilmont 0:8024c367e29f 47 * > }
emilmont 0:8024c367e29f 48 */
emilmont 0:8024c367e29f 49 class InterruptIn : public Base {
emilmont 0:8024c367e29f 50
emilmont 0:8024c367e29f 51 public:
emilmont 0:8024c367e29f 52
emilmont 0:8024c367e29f 53 /* Constructor: InterruptIn
emilmont 0:8024c367e29f 54 * Create an InterruptIn connected to the specified pin
emilmont 0:8024c367e29f 55 *
emilmont 0:8024c367e29f 56 * Variables:
emilmont 0:8024c367e29f 57 * pin - InterruptIn pin to connect to
emilmont 0:8024c367e29f 58 * name - (optional) A string to identify the object
emilmont 0:8024c367e29f 59 */
emilmont 0:8024c367e29f 60 InterruptIn(PinName pin, const char *name = NULL);
emilmont 0:8024c367e29f 61 #if defined(TARGET_LPC11U24)
emilmont 0:8024c367e29f 62 virtual ~InterruptIn();
emilmont 0:8024c367e29f 63 #endif
emilmont 0:8024c367e29f 64
emilmont 0:8024c367e29f 65 int read();
emilmont 0:8024c367e29f 66 #ifdef MBED_OPERATORS
emilmont 0:8024c367e29f 67 operator int();
emilmont 0:8024c367e29f 68
emilmont 0:8024c367e29f 69 #endif
emilmont 0:8024c367e29f 70
emilmont 0:8024c367e29f 71 /* Function: rise
emilmont 0:8024c367e29f 72 * Attach a function to call when a rising edge occurs on the input
emilmont 0:8024c367e29f 73 *
emilmont 0:8024c367e29f 74 * Variables:
emilmont 0:8024c367e29f 75 * fptr - A pointer to a void function, or 0 to set as none
emilmont 0:8024c367e29f 76 */
emilmont 0:8024c367e29f 77 void rise(void (*fptr)(void));
emilmont 0:8024c367e29f 78
emilmont 0:8024c367e29f 79 /* Function: rise
emilmont 0:8024c367e29f 80 * Attach a member function to call when a rising edge occurs on the input
emilmont 0:8024c367e29f 81 *
emilmont 0:8024c367e29f 82 * Variables:
emilmont 0:8024c367e29f 83 * tptr - pointer to the object to call the member function on
emilmont 0:8024c367e29f 84 * mptr - pointer to the member function to be called
emilmont 0:8024c367e29f 85 */
emilmont 0:8024c367e29f 86 template<typename T>
emilmont 0:8024c367e29f 87 void rise(T* tptr, void (T::*mptr)(void)) {
emilmont 0:8024c367e29f 88 _rise.attach(tptr, mptr);
emilmont 0:8024c367e29f 89 setup_interrupt(1, 1);
emilmont 0:8024c367e29f 90 }
emilmont 0:8024c367e29f 91
emilmont 0:8024c367e29f 92 /* Function: fall
emilmont 0:8024c367e29f 93 * Attach a function to call when a falling edge occurs on the input
emilmont 0:8024c367e29f 94 *
emilmont 0:8024c367e29f 95 * Variables:
emilmont 0:8024c367e29f 96 * fptr - A pointer to a void function, or 0 to set as none
emilmont 0:8024c367e29f 97 */
emilmont 0:8024c367e29f 98 void fall(void (*fptr)(void));
emilmont 0:8024c367e29f 99
emilmont 0:8024c367e29f 100 /* Function: fall
emilmont 0:8024c367e29f 101 * Attach a member function to call when a falling edge occurs on the input
emilmont 0:8024c367e29f 102 *
emilmont 0:8024c367e29f 103 * Variables:
emilmont 0:8024c367e29f 104 * tptr - pointer to the object to call the member function on
emilmont 0:8024c367e29f 105 * mptr - pointer to the member function to be called
emilmont 0:8024c367e29f 106 */
emilmont 0:8024c367e29f 107 template<typename T>
emilmont 0:8024c367e29f 108 void fall(T* tptr, void (T::*mptr)(void)) {
emilmont 0:8024c367e29f 109 _fall.attach(tptr, mptr);
emilmont 0:8024c367e29f 110 setup_interrupt(0, 1);
emilmont 0:8024c367e29f 111 }
emilmont 0:8024c367e29f 112
emilmont 0:8024c367e29f 113 /* Function: mode
emilmont 0:8024c367e29f 114 * Set the input pin mode
emilmont 0:8024c367e29f 115 *
emilmont 0:8024c367e29f 116 * Variables:
emilmont 0:8024c367e29f 117 * mode - PullUp, PullDown, PullNone
emilmont 0:8024c367e29f 118 */
emilmont 0:8024c367e29f 119 void mode(PinMode pull);
emilmont 0:8024c367e29f 120
emilmont 0:8024c367e29f 121 static InterruptIn *_irq_objects[CHANNEL_NUM];
emilmont 0:8024c367e29f 122
emilmont 0:8024c367e29f 123 #if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
emilmont 0:8024c367e29f 124 static void _irq();
emilmont 0:8024c367e29f 125 #elif defined(TARGET_LPC11U24)
emilmont 0:8024c367e29f 126 static void handle_interrupt_in(unsigned int channel);
emilmont 0:8024c367e29f 127 static void _irq0(); static void _irq1();
emilmont 0:8024c367e29f 128 static void _irq2(); static void _irq3();
emilmont 0:8024c367e29f 129 static void _irq4(); static void _irq5();
emilmont 0:8024c367e29f 130 static void _irq6(); static void _irq7();
emilmont 0:8024c367e29f 131 #endif
emilmont 0:8024c367e29f 132
emilmont 0:8024c367e29f 133 protected:
emilmont 0:8024c367e29f 134 gpio_object gpio;
emilmont 0:8024c367e29f 135 #if defined(TARGET_LPC11U24)
emilmont 0:8024c367e29f 136 Channel _channel;
emilmont 0:8024c367e29f 137 #endif
emilmont 0:8024c367e29f 138 FunctionPointer _rise;
emilmont 0:8024c367e29f 139 FunctionPointer _fall;
emilmont 0:8024c367e29f 140
emilmont 0:8024c367e29f 141 void setup_interrupt(int rising, int enable);
emilmont 0:8024c367e29f 142
emilmont 0:8024c367e29f 143 };
emilmont 0:8024c367e29f 144
emilmont 0:8024c367e29f 145 } // namespace mbed
emilmont 0:8024c367e29f 146
emilmont 0:8024c367e29f 147 #endif
emilmont 0:8024c367e29f 148
emilmont 0:8024c367e29f 149 #endif