Jhon Plantikow / I2C_EEPROM

I2C_EEPROM

InterruptIn.h@0:ac8863619623, 2015-08-13 (annotated)

Committer:
jhon309
Date:
Thu Aug 13 00:23:16 2015 +0000
Revision:
0:ac8863619623
I2C

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jhon309 0:ac8863619623 1 /* mbed Microcontroller Library
jhon309 0:ac8863619623 2 * Copyright (c) 2006-2013 ARM Limited
jhon309 0:ac8863619623 3 *
jhon309 0:ac8863619623 4 * Licensed under the Apache License, Version 2.0 (the "License");
jhon309 0:ac8863619623 5 * you may not use this file except in compliance with the License.
jhon309 0:ac8863619623 6 * You may obtain a copy of the License at
jhon309 0:ac8863619623 7 *
jhon309 0:ac8863619623 8 * http://www.apache.org/licenses/LICENSE-2.0
jhon309 0:ac8863619623 9 *
jhon309 0:ac8863619623 10 * Unless required by applicable law or agreed to in writing, software
jhon309 0:ac8863619623 11 * distributed under the License is distributed on an "AS IS" BASIS,
jhon309 0:ac8863619623 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
jhon309 0:ac8863619623 13 * See the License for the specific language governing permissions and
jhon309 0:ac8863619623 14 * limitations under the License.
jhon309 0:ac8863619623 15 */
jhon309 0:ac8863619623 16 #ifndef MBED_INTERRUPTIN_H
jhon309 0:ac8863619623 17 #define MBED_INTERRUPTIN_H
jhon309 0:ac8863619623 18
jhon309 0:ac8863619623 19 #include "platform.h"
jhon309 0:ac8863619623 20
jhon309 0:ac8863619623 21 #if DEVICE_INTERRUPTIN
jhon309 0:ac8863619623 22
jhon309 0:ac8863619623 23 #include "gpio_api.h"
jhon309 0:ac8863619623 24 #include "gpio_irq_api.h"
jhon309 0:ac8863619623 25 #include "FunctionPointer.h"
jhon309 0:ac8863619623 26
jhon309 0:ac8863619623 27 namespace mbed {
jhon309 0:ac8863619623 28
jhon309 0:ac8863619623 29 /** A digital interrupt input, used to call a function on a rising or falling edge
jhon309 0:ac8863619623 30 *
jhon309 0:ac8863619623 31 * Example:
jhon309 0:ac8863619623 32 * @code
jhon309 0:ac8863619623 33 * // Flash an LED while waiting for events
jhon309 0:ac8863619623 34 *
jhon309 0:ac8863619623 35 * #include "mbed.h"
jhon309 0:ac8863619623 36 *
jhon309 0:ac8863619623 37 * InterruptIn event(p16);
jhon309 0:ac8863619623 38 * DigitalOut led(LED1);
jhon309 0:ac8863619623 39 *
jhon309 0:ac8863619623 40 * void trigger() {
jhon309 0:ac8863619623 41 * printf("triggered!\n");
jhon309 0:ac8863619623 42 * }
jhon309 0:ac8863619623 43 *
jhon309 0:ac8863619623 44 * int main() {
jhon309 0:ac8863619623 45 * event.rise(&trigger);
jhon309 0:ac8863619623 46 * while(1) {
jhon309 0:ac8863619623 47 * led = !led;
jhon309 0:ac8863619623 48 * wait(0.25);
jhon309 0:ac8863619623 49 * }
jhon309 0:ac8863619623 50 * }
jhon309 0:ac8863619623 51 * @endcode
jhon309 0:ac8863619623 52 */
jhon309 0:ac8863619623 53 class InterruptIn {
jhon309 0:ac8863619623 54
jhon309 0:ac8863619623 55 public:
jhon309 0:ac8863619623 56
jhon309 0:ac8863619623 57 /** Create an InterruptIn connected to the specified pin
jhon309 0:ac8863619623 58 *
jhon309 0:ac8863619623 59 * @param pin InterruptIn pin to connect to
jhon309 0:ac8863619623 60 * @param name (optional) A string to identify the object
jhon309 0:ac8863619623 61 */
jhon309 0:ac8863619623 62 InterruptIn(PinName pin);
jhon309 0:ac8863619623 63 virtual ~InterruptIn();
jhon309 0:ac8863619623 64
jhon309 0:ac8863619623 65 int read();
jhon309 0:ac8863619623 66 #ifdef MBED_OPERATORS
jhon309 0:ac8863619623 67 operator int();
jhon309 0:ac8863619623 68
jhon309 0:ac8863619623 69 #endif
jhon309 0:ac8863619623 70
jhon309 0:ac8863619623 71 /** Attach a function to call when a rising edge occurs on the input
jhon309 0:ac8863619623 72 *
jhon309 0:ac8863619623 73 * @param fptr A pointer to a void function, or 0 to set as none
jhon309 0:ac8863619623 74 */
jhon309 0:ac8863619623 75 void rise(void (*fptr)(void));
jhon309 0:ac8863619623 76
jhon309 0:ac8863619623 77 /** Attach a member function to call when a rising edge occurs on the input
jhon309 0:ac8863619623 78 *
jhon309 0:ac8863619623 79 * @param tptr pointer to the object to call the member function on
jhon309 0:ac8863619623 80 * @param mptr pointer to the member function to be called
jhon309 0:ac8863619623 81 */
jhon309 0:ac8863619623 82 template<typename T>
jhon309 0:ac8863619623 83 void rise(T* tptr, void (T::*mptr)(void)) {
jhon309 0:ac8863619623 84 _rise.attach(tptr, mptr);
jhon309 0:ac8863619623 85 gpio_irq_set(&gpio_irq, IRQ_RISE, 1);
jhon309 0:ac8863619623 86 }
jhon309 0:ac8863619623 87
jhon309 0:ac8863619623 88 /** Attach a function to call when a falling edge occurs on the input
jhon309 0:ac8863619623 89 *
jhon309 0:ac8863619623 90 * @param fptr A pointer to a void function, or 0 to set as none
jhon309 0:ac8863619623 91 */
jhon309 0:ac8863619623 92 void fall(void (*fptr)(void));
jhon309 0:ac8863619623 93
jhon309 0:ac8863619623 94 /** Attach a member function to call when a falling edge occurs on the input
jhon309 0:ac8863619623 95 *
jhon309 0:ac8863619623 96 * @param tptr pointer to the object to call the member function on
jhon309 0:ac8863619623 97 * @param mptr pointer to the member function to be called
jhon309 0:ac8863619623 98 */
jhon309 0:ac8863619623 99 template<typename T>
jhon309 0:ac8863619623 100 void fall(T* tptr, void (T::*mptr)(void)) {
jhon309 0:ac8863619623 101 _fall.attach(tptr, mptr);
jhon309 0:ac8863619623 102 gpio_irq_set(&gpio_irq, IRQ_FALL, 1);
jhon309 0:ac8863619623 103 }
jhon309 0:ac8863619623 104
jhon309 0:ac8863619623 105 /** Set the input pin mode
jhon309 0:ac8863619623 106 *
jhon309 0:ac8863619623 107 * @param mode PullUp, PullDown, PullNone
jhon309 0:ac8863619623 108 */
jhon309 0:ac8863619623 109 void mode(PinMode pull);
jhon309 0:ac8863619623 110
jhon309 0:ac8863619623 111 /** Enable IRQ. This method depends on hw implementation, might enable one
jhon309 0:ac8863619623 112 * port interrupts. For further information, check gpio_irq_enable().
jhon309 0:ac8863619623 113 */
jhon309 0:ac8863619623 114 void enable_irq();
jhon309 0:ac8863619623 115
jhon309 0:ac8863619623 116 /** Disable IRQ. This method depends on hw implementation, might disable one
jhon309 0:ac8863619623 117 * port interrupts. For further information, check gpio_irq_disable().
jhon309 0:ac8863619623 118 */
jhon309 0:ac8863619623 119 void disable_irq();
jhon309 0:ac8863619623 120
jhon309 0:ac8863619623 121 static void _irq_handler(uint32_t id, gpio_irq_event event);
jhon309 0:ac8863619623 122
jhon309 0:ac8863619623 123 protected:
jhon309 0:ac8863619623 124 gpio_t gpio;
jhon309 0:ac8863619623 125 gpio_irq_t gpio_irq;
jhon309 0:ac8863619623 126
jhon309 0:ac8863619623 127 FunctionPointer _rise;
jhon309 0:ac8863619623 128 FunctionPointer _fall;
jhon309 0:ac8863619623 129 };
jhon309 0:ac8863619623 130
jhon309 0:ac8863619623 131 } // namespace mbed
jhon309 0:ac8863619623 132
jhon309 0:ac8863619623 133 #endif
jhon309 0:ac8863619623 134
jhon309 0:ac8863619623 135 #endif