Tamura Mizuki / STM32F746_FFT

fft

Dependencies:   BSP_DISCO_F746NG SDFileSystem_Warning_Fixed

mbed_src_STM32F7/api/InterruptIn.h@3:6f7e05dd8d15, 2020-03-06 (annotated)

Committer:
aria19970520
Date:
Fri Mar 06 06:52:14 2020 +0000
Revision:
3:6f7e05dd8d15
Parent:
0:3e46577dc273 
fft

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 0:3e46577dc273 1 /* mbed Microcontroller Library
MikamiUitOpen 0:3e46577dc273 2 * Copyright (c) 2006-2013 ARM Limited
MikamiUitOpen 0:3e46577dc273 3 *
MikamiUitOpen 0:3e46577dc273 4 * Licensed under the Apache License, Version 2.0 (the "License");
MikamiUitOpen 0:3e46577dc273 5 * you may not use this file except in compliance with the License.
MikamiUitOpen 0:3e46577dc273 6 * You may obtain a copy of the License at
MikamiUitOpen 0:3e46577dc273 7 *
MikamiUitOpen 0:3e46577dc273 8 * http://www.apache.org/licenses/LICENSE-2.0
MikamiUitOpen 0:3e46577dc273 9 *
MikamiUitOpen 0:3e46577dc273 10 * Unless required by applicable law or agreed to in writing, software
MikamiUitOpen 0:3e46577dc273 11 * distributed under the License is distributed on an "AS IS" BASIS,
MikamiUitOpen 0:3e46577dc273 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MikamiUitOpen 0:3e46577dc273 13 * See the License for the specific language governing permissions and
MikamiUitOpen 0:3e46577dc273 14 * limitations under the License.
MikamiUitOpen 0:3e46577dc273 15 */
MikamiUitOpen 0:3e46577dc273 16 #ifndef MBED_INTERRUPTIN_H
MikamiUitOpen 0:3e46577dc273 17 #define MBED_INTERRUPTIN_H
MikamiUitOpen 0:3e46577dc273 18
MikamiUitOpen 0:3e46577dc273 19 #include "platform.h"
MikamiUitOpen 0:3e46577dc273 20
MikamiUitOpen 0:3e46577dc273 21 #if DEVICE_INTERRUPTIN
MikamiUitOpen 0:3e46577dc273 22
MikamiUitOpen 0:3e46577dc273 23 #include "gpio_api.h"
MikamiUitOpen 0:3e46577dc273 24 #include "gpio_irq_api.h"
MikamiUitOpen 0:3e46577dc273 25 #include "FunctionPointer.h"
MikamiUitOpen 0:3e46577dc273 26
MikamiUitOpen 0:3e46577dc273 27 namespace mbed {
MikamiUitOpen 0:3e46577dc273 28
MikamiUitOpen 0:3e46577dc273 29 /** A digital interrupt input, used to call a function on a rising or falling edge
MikamiUitOpen 0:3e46577dc273 30 *
MikamiUitOpen 0:3e46577dc273 31 * Example:
MikamiUitOpen 0:3e46577dc273 32 * @code
MikamiUitOpen 0:3e46577dc273 33 * // Flash an LED while waiting for events
MikamiUitOpen 0:3e46577dc273 34 *
MikamiUitOpen 0:3e46577dc273 35 * #include "mbed.h"
MikamiUitOpen 0:3e46577dc273 36 *
MikamiUitOpen 0:3e46577dc273 37 * InterruptIn event(p16);
MikamiUitOpen 0:3e46577dc273 38 * DigitalOut led(LED1);
MikamiUitOpen 0:3e46577dc273 39 *
MikamiUitOpen 0:3e46577dc273 40 * void trigger() {
MikamiUitOpen 0:3e46577dc273 41 * printf("triggered!\n");
MikamiUitOpen 0:3e46577dc273 42 * }
MikamiUitOpen 0:3e46577dc273 43 *
MikamiUitOpen 0:3e46577dc273 44 * int main() {
MikamiUitOpen 0:3e46577dc273 45 * event.rise(&trigger);
MikamiUitOpen 0:3e46577dc273 46 * while(1) {
MikamiUitOpen 0:3e46577dc273 47 * led = !led;
MikamiUitOpen 0:3e46577dc273 48 * wait(0.25);
MikamiUitOpen 0:3e46577dc273 49 * }
MikamiUitOpen 0:3e46577dc273 50 * }
MikamiUitOpen 0:3e46577dc273 51 * @endcode
MikamiUitOpen 0:3e46577dc273 52 */
MikamiUitOpen 0:3e46577dc273 53 class InterruptIn {
MikamiUitOpen 0:3e46577dc273 54
MikamiUitOpen 0:3e46577dc273 55 public:
MikamiUitOpen 0:3e46577dc273 56
MikamiUitOpen 0:3e46577dc273 57 /** Create an InterruptIn connected to the specified pin
MikamiUitOpen 0:3e46577dc273 58 *
MikamiUitOpen 0:3e46577dc273 59 * @param pin InterruptIn pin to connect to
MikamiUitOpen 0:3e46577dc273 60 * @param name (optional) A string to identify the object
MikamiUitOpen 0:3e46577dc273 61 */
MikamiUitOpen 0:3e46577dc273 62 InterruptIn(PinName pin);
MikamiUitOpen 0:3e46577dc273 63 virtual ~InterruptIn();
MikamiUitOpen 0:3e46577dc273 64
MikamiUitOpen 0:3e46577dc273 65 int read();
MikamiUitOpen 0:3e46577dc273 66 #ifdef MBED_OPERATORS
MikamiUitOpen 0:3e46577dc273 67 operator int();
MikamiUitOpen 0:3e46577dc273 68
MikamiUitOpen 0:3e46577dc273 69 #endif
MikamiUitOpen 0:3e46577dc273 70
MikamiUitOpen 0:3e46577dc273 71 /** Attach a function to call when a rising edge occurs on the input
MikamiUitOpen 0:3e46577dc273 72 *
MikamiUitOpen 0:3e46577dc273 73 * @param fptr A pointer to a void function, or 0 to set as none
MikamiUitOpen 0:3e46577dc273 74 */
MikamiUitOpen 0:3e46577dc273 75 void rise(void (*fptr)(void));
MikamiUitOpen 0:3e46577dc273 76
MikamiUitOpen 0:3e46577dc273 77 /** Attach a member function to call when a rising edge occurs on the input
MikamiUitOpen 0:3e46577dc273 78 *
MikamiUitOpen 0:3e46577dc273 79 * @param tptr pointer to the object to call the member function on
MikamiUitOpen 0:3e46577dc273 80 * @param mptr pointer to the member function to be called
MikamiUitOpen 0:3e46577dc273 81 */
MikamiUitOpen 0:3e46577dc273 82 template<typename T>
MikamiUitOpen 0:3e46577dc273 83 void rise(T* tptr, void (T::*mptr)(void)) {
MikamiUitOpen 0:3e46577dc273 84 _rise.attach(tptr, mptr);
MikamiUitOpen 0:3e46577dc273 85 gpio_irq_set(&gpio_irq, IRQ_RISE, 1);
MikamiUitOpen 0:3e46577dc273 86 }
MikamiUitOpen 0:3e46577dc273 87
MikamiUitOpen 0:3e46577dc273 88 /** Attach a function to call when a falling edge occurs on the input
MikamiUitOpen 0:3e46577dc273 89 *
MikamiUitOpen 0:3e46577dc273 90 * @param fptr A pointer to a void function, or 0 to set as none
MikamiUitOpen 0:3e46577dc273 91 */
MikamiUitOpen 0:3e46577dc273 92 void fall(void (*fptr)(void));
MikamiUitOpen 0:3e46577dc273 93
MikamiUitOpen 0:3e46577dc273 94 /** Attach a member function to call when a falling edge occurs on the input
MikamiUitOpen 0:3e46577dc273 95 *
MikamiUitOpen 0:3e46577dc273 96 * @param tptr pointer to the object to call the member function on
MikamiUitOpen 0:3e46577dc273 97 * @param mptr pointer to the member function to be called
MikamiUitOpen 0:3e46577dc273 98 */
MikamiUitOpen 0:3e46577dc273 99 template<typename T>
MikamiUitOpen 0:3e46577dc273 100 void fall(T* tptr, void (T::*mptr)(void)) {
MikamiUitOpen 0:3e46577dc273 101 _fall.attach(tptr, mptr);
MikamiUitOpen 0:3e46577dc273 102 gpio_irq_set(&gpio_irq, IRQ_FALL, 1);
MikamiUitOpen 0:3e46577dc273 103 }
MikamiUitOpen 0:3e46577dc273 104
MikamiUitOpen 0:3e46577dc273 105 /** Set the input pin mode
MikamiUitOpen 0:3e46577dc273 106 *
MikamiUitOpen 0:3e46577dc273 107 * @param mode PullUp, PullDown, PullNone
MikamiUitOpen 0:3e46577dc273 108 */
MikamiUitOpen 0:3e46577dc273 109 void mode(PinMode pull);
MikamiUitOpen 0:3e46577dc273 110
MikamiUitOpen 0:3e46577dc273 111 /** Enable IRQ. This method depends on hw implementation, might enable one
MikamiUitOpen 0:3e46577dc273 112 * port interrupts. For further information, check gpio_irq_enable().
MikamiUitOpen 0:3e46577dc273 113 */
MikamiUitOpen 0:3e46577dc273 114 void enable_irq();
MikamiUitOpen 0:3e46577dc273 115
MikamiUitOpen 0:3e46577dc273 116 /** Disable IRQ. This method depends on hw implementation, might disable one
MikamiUitOpen 0:3e46577dc273 117 * port interrupts. For further information, check gpio_irq_disable().
MikamiUitOpen 0:3e46577dc273 118 */
MikamiUitOpen 0:3e46577dc273 119 void disable_irq();
MikamiUitOpen 0:3e46577dc273 120
MikamiUitOpen 0:3e46577dc273 121 static void _irq_handler(uint32_t id, gpio_irq_event event);
MikamiUitOpen 0:3e46577dc273 122
MikamiUitOpen 0:3e46577dc273 123 protected:
MikamiUitOpen 0:3e46577dc273 124 gpio_t gpio;
MikamiUitOpen 0:3e46577dc273 125 gpio_irq_t gpio_irq;
MikamiUitOpen 0:3e46577dc273 126
MikamiUitOpen 0:3e46577dc273 127 FunctionPointer _rise;
MikamiUitOpen 0:3e46577dc273 128 FunctionPointer _fall;
MikamiUitOpen 0:3e46577dc273 129 };
MikamiUitOpen 0:3e46577dc273 130
MikamiUitOpen 0:3e46577dc273 131 } // namespace mbed
MikamiUitOpen 0:3e46577dc273 132
MikamiUitOpen 0:3e46577dc273 133 #endif
MikamiUitOpen 0:3e46577dc273 134
MikamiUitOpen 0:3e46577dc273 135 #endif