the do / gr-peach-opencv-project

Opencv 3.1 project on GR-PEACH board

Fork of gr-peach-opencv-project by the do

drivers/InterruptIn.h@170:54ff26da7eb6, 2017-07-04 (annotated)

Committer:
thedo
Date:
Tue Jul 04 06:23:13 2017 +0000
Revision:
170:54ff26da7eb6
Parent:
167:1657b442184c 
project opencv 3.1 on GR PEACH board, no use SD card.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
thedo 167:1657b442184c 1 /* mbed Microcontroller Library
thedo 167:1657b442184c 2 * Copyright (c) 2006-2013 ARM Limited
thedo 167:1657b442184c 3 *
thedo 167:1657b442184c 4 * Licensed under the Apache License, Version 2.0 (the "License");
thedo 167:1657b442184c 5 * you may not use this file except in compliance with the License.
thedo 167:1657b442184c 6 * You may obtain a copy of the License at
thedo 167:1657b442184c 7 *
thedo 167:1657b442184c 8 * http://www.apache.org/licenses/LICENSE-2.0
thedo 167:1657b442184c 9 *
thedo 167:1657b442184c 10 * Unless required by applicable law or agreed to in writing, software
thedo 167:1657b442184c 11 * distributed under the License is distributed on an "AS IS" BASIS,
thedo 167:1657b442184c 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
thedo 167:1657b442184c 13 * See the License for the specific language governing permissions and
thedo 167:1657b442184c 14 * limitations under the License.
thedo 167:1657b442184c 15 */
thedo 167:1657b442184c 16 #ifndef MBED_INTERRUPTIN_H
thedo 167:1657b442184c 17 #define MBED_INTERRUPTIN_H
thedo 167:1657b442184c 18
thedo 167:1657b442184c 19 #include "platform/platform.h"
thedo 167:1657b442184c 20
thedo 167:1657b442184c 21 #if defined (DEVICE_INTERRUPTIN) || defined(DOXYGEN_ONLY)
thedo 167:1657b442184c 22
thedo 167:1657b442184c 23 #include "hal/gpio_api.h"
thedo 167:1657b442184c 24 #include "hal/gpio_irq_api.h"
thedo 167:1657b442184c 25 #include "platform/Callback.h"
thedo 167:1657b442184c 26 #include "platform/mbed_critical.h"
thedo 167:1657b442184c 27 #include "platform/mbed_toolchain.h"
thedo 167:1657b442184c 28
thedo 167:1657b442184c 29 namespace mbed {
thedo 167:1657b442184c 30 /** \addtogroup drivers */
thedo 167:1657b442184c 31
thedo 167:1657b442184c 32 /** A digital interrupt input, used to call a function on a rising or falling edge
thedo 167:1657b442184c 33 *
thedo 167:1657b442184c 34 * @note Synchronization level: Interrupt safe
thedo 167:1657b442184c 35 *
thedo 167:1657b442184c 36 * Example:
thedo 167:1657b442184c 37 * @code
thedo 167:1657b442184c 38 * // Flash an LED while waiting for events
thedo 167:1657b442184c 39 *
thedo 167:1657b442184c 40 * #include "mbed.h"
thedo 167:1657b442184c 41 *
thedo 167:1657b442184c 42 * InterruptIn event(p16);
thedo 167:1657b442184c 43 * DigitalOut led(LED1);
thedo 167:1657b442184c 44 *
thedo 167:1657b442184c 45 * void trigger() {
thedo 167:1657b442184c 46 * printf("triggered!\n");
thedo 167:1657b442184c 47 * }
thedo 167:1657b442184c 48 *
thedo 167:1657b442184c 49 * int main() {
thedo 167:1657b442184c 50 * event.rise(&trigger);
thedo 167:1657b442184c 51 * while(1) {
thedo 167:1657b442184c 52 * led = !led;
thedo 167:1657b442184c 53 * wait(0.25);
thedo 167:1657b442184c 54 * }
thedo 167:1657b442184c 55 * }
thedo 167:1657b442184c 56 * @endcode
thedo 167:1657b442184c 57 * @ingroup drivers
thedo 167:1657b442184c 58 */
thedo 167:1657b442184c 59 class InterruptIn {
thedo 167:1657b442184c 60
thedo 167:1657b442184c 61 public:
thedo 167:1657b442184c 62
thedo 167:1657b442184c 63 /** Create an InterruptIn connected to the specified pin
thedo 167:1657b442184c 64 *
thedo 167:1657b442184c 65 * @param pin InterruptIn pin to connect to
thedo 167:1657b442184c 66 */
thedo 167:1657b442184c 67 InterruptIn(PinName pin);
thedo 167:1657b442184c 68 virtual ~InterruptIn();
thedo 167:1657b442184c 69
thedo 167:1657b442184c 70 /** Read the input, represented as 0 or 1 (int)
thedo 167:1657b442184c 71 *
thedo 167:1657b442184c 72 * @returns
thedo 167:1657b442184c 73 * An integer representing the state of the input pin,
thedo 167:1657b442184c 74 * 0 for logical 0, 1 for logical 1
thedo 167:1657b442184c 75 */
thedo 167:1657b442184c 76 int read();
thedo 167:1657b442184c 77
thedo 167:1657b442184c 78 /** An operator shorthand for read()
thedo 167:1657b442184c 79 */
thedo 167:1657b442184c 80 operator int();
thedo 167:1657b442184c 81
thedo 167:1657b442184c 82
thedo 167:1657b442184c 83 /** Attach a function to call when a rising edge occurs on the input
thedo 167:1657b442184c 84 *
thedo 167:1657b442184c 85 * @param func A pointer to a void function, or 0 to set as none
thedo 167:1657b442184c 86 */
thedo 167:1657b442184c 87 void rise(Callback<void()> func);
thedo 167:1657b442184c 88
thedo 167:1657b442184c 89 /** Attach a member function to call when a rising edge occurs on the input
thedo 167:1657b442184c 90 *
thedo 167:1657b442184c 91 * @param obj pointer to the object to call the member function on
thedo 167:1657b442184c 92 * @param method pointer to the member function to be called
thedo 167:1657b442184c 93 * @deprecated
thedo 167:1657b442184c 94 * The rise function does not support cv-qualifiers. Replaced by
thedo 167:1657b442184c 95 * rise(callback(obj, method)).
thedo 167:1657b442184c 96 */
thedo 167:1657b442184c 97 template<typename T, typename M>
thedo 167:1657b442184c 98 MBED_DEPRECATED_SINCE("mbed-os-5.1",
thedo 167:1657b442184c 99 "The rise function does not support cv-qualifiers. Replaced by "
thedo 167:1657b442184c 100 "rise(callback(obj, method)).")
thedo 167:1657b442184c 101 void rise(T *obj, M method) {
thedo 167:1657b442184c 102 core_util_critical_section_enter();
thedo 167:1657b442184c 103 rise(callback(obj, method));
thedo 167:1657b442184c 104 core_util_critical_section_exit();
thedo 167:1657b442184c 105 }
thedo 167:1657b442184c 106
thedo 167:1657b442184c 107 /** Attach a function to call when a falling edge occurs on the input
thedo 167:1657b442184c 108 *
thedo 167:1657b442184c 109 * @param func A pointer to a void function, or 0 to set as none
thedo 167:1657b442184c 110 */
thedo 167:1657b442184c 111 void fall(Callback<void()> func);
thedo 167:1657b442184c 112
thedo 167:1657b442184c 113 /** Attach a member function to call when a falling edge occurs on the input
thedo 167:1657b442184c 114 *
thedo 167:1657b442184c 115 * @param obj pointer to the object to call the member function on
thedo 167:1657b442184c 116 * @param method pointer to the member function to be called
thedo 167:1657b442184c 117 * @deprecated
thedo 167:1657b442184c 118 * The rise function does not support cv-qualifiers. Replaced by
thedo 167:1657b442184c 119 * rise(callback(obj, method)).
thedo 167:1657b442184c 120 */
thedo 167:1657b442184c 121 template<typename T, typename M>
thedo 167:1657b442184c 122 MBED_DEPRECATED_SINCE("mbed-os-5.1",
thedo 167:1657b442184c 123 "The fall function does not support cv-qualifiers. Replaced by "
thedo 167:1657b442184c 124 "fall(callback(obj, method)).")
thedo 167:1657b442184c 125 void fall(T *obj, M method) {
thedo 167:1657b442184c 126 core_util_critical_section_enter();
thedo 167:1657b442184c 127 fall(callback(obj, method));
thedo 167:1657b442184c 128 core_util_critical_section_exit();
thedo 167:1657b442184c 129 }
thedo 167:1657b442184c 130
thedo 167:1657b442184c 131 /** Set the input pin mode
thedo 167:1657b442184c 132 *
thedo 167:1657b442184c 133 * @param pull PullUp, PullDown, PullNone
thedo 167:1657b442184c 134 */
thedo 167:1657b442184c 135 void mode(PinMode pull);
thedo 167:1657b442184c 136
thedo 167:1657b442184c 137 /** Enable IRQ. This method depends on hw implementation, might enable one
thedo 167:1657b442184c 138 * port interrupts. For further information, check gpio_irq_enable().
thedo 167:1657b442184c 139 */
thedo 167:1657b442184c 140 void enable_irq();
thedo 167:1657b442184c 141
thedo 167:1657b442184c 142 /** Disable IRQ. This method depends on hw implementation, might disable one
thedo 167:1657b442184c 143 * port interrupts. For further information, check gpio_irq_disable().
thedo 167:1657b442184c 144 */
thedo 167:1657b442184c 145 void disable_irq();
thedo 167:1657b442184c 146
thedo 167:1657b442184c 147 static void _irq_handler(uint32_t id, gpio_irq_event event);
thedo 167:1657b442184c 148
thedo 167:1657b442184c 149 protected:
thedo 167:1657b442184c 150 gpio_t gpio;
thedo 167:1657b442184c 151 gpio_irq_t gpio_irq;
thedo 167:1657b442184c 152
thedo 167:1657b442184c 153 Callback<void()> _rise;
thedo 167:1657b442184c 154 Callback<void()> _fall;
thedo 167:1657b442184c 155 };
thedo 167:1657b442184c 156
thedo 167:1657b442184c 157 } // namespace mbed
thedo 167:1657b442184c 158
thedo 167:1657b442184c 159 #endif
thedo 167:1657b442184c 160
thedo 167:1657b442184c 161 #endif
thedo 167:1657b442184c 162