Mladen Adamovic / Spectrogram

Final version.

Dependencies:   F746_GUI F746_SAI_IO UIT_FFT_Real

Fork of F746_Spectrogram by 不韋 呂

mbed_src_STM32F7/api/DigitalIn.h@4:c1beacfc42c7, 2016-10-02 (annotated)

Committer:
MikamiUitOpen
Date:
Sun Oct 02 10:51:10 2016 +0000
Revision:
4:c1beacfc42c7
5

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 4:c1beacfc42c7 1 /* mbed Microcontroller Library
MikamiUitOpen 4:c1beacfc42c7 2 * Copyright (c) 2006-2013 ARM Limited
MikamiUitOpen 4:c1beacfc42c7 3 *
MikamiUitOpen 4:c1beacfc42c7 4 * Licensed under the Apache License, Version 2.0 (the "License");
MikamiUitOpen 4:c1beacfc42c7 5 * you may not use this file except in compliance with the License.
MikamiUitOpen 4:c1beacfc42c7 6 * You may obtain a copy of the License at
MikamiUitOpen 4:c1beacfc42c7 7 *
MikamiUitOpen 4:c1beacfc42c7 8 * http://www.apache.org/licenses/LICENSE-2.0
MikamiUitOpen 4:c1beacfc42c7 9 *
MikamiUitOpen 4:c1beacfc42c7 10 * Unless required by applicable law or agreed to in writing, software
MikamiUitOpen 4:c1beacfc42c7 11 * distributed under the License is distributed on an "AS IS" BASIS,
MikamiUitOpen 4:c1beacfc42c7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MikamiUitOpen 4:c1beacfc42c7 13 * See the License for the specific language governing permissions and
MikamiUitOpen 4:c1beacfc42c7 14 * limitations under the License.
MikamiUitOpen 4:c1beacfc42c7 15 */
MikamiUitOpen 4:c1beacfc42c7 16 #ifndef MBED_DIGITALIN_H
MikamiUitOpen 4:c1beacfc42c7 17 #define MBED_DIGITALIN_H
MikamiUitOpen 4:c1beacfc42c7 18
MikamiUitOpen 4:c1beacfc42c7 19 #include "platform.h"
MikamiUitOpen 4:c1beacfc42c7 20
MikamiUitOpen 4:c1beacfc42c7 21 #include "gpio_api.h"
MikamiUitOpen 4:c1beacfc42c7 22
MikamiUitOpen 4:c1beacfc42c7 23 namespace mbed {
MikamiUitOpen 4:c1beacfc42c7 24
MikamiUitOpen 4:c1beacfc42c7 25 /** A digital input, used for reading the state of a pin
MikamiUitOpen 4:c1beacfc42c7 26 *
MikamiUitOpen 4:c1beacfc42c7 27 * Example:
MikamiUitOpen 4:c1beacfc42c7 28 * @code
MikamiUitOpen 4:c1beacfc42c7 29 * // Flash an LED while a DigitalIn is true
MikamiUitOpen 4:c1beacfc42c7 30 *
MikamiUitOpen 4:c1beacfc42c7 31 * #include "mbed.h"
MikamiUitOpen 4:c1beacfc42c7 32 *
MikamiUitOpen 4:c1beacfc42c7 33 * DigitalIn enable(p5);
MikamiUitOpen 4:c1beacfc42c7 34 * DigitalOut led(LED1);
MikamiUitOpen 4:c1beacfc42c7 35 *
MikamiUitOpen 4:c1beacfc42c7 36 * int main() {
MikamiUitOpen 4:c1beacfc42c7 37 * while(1) {
MikamiUitOpen 4:c1beacfc42c7 38 * if(enable) {
MikamiUitOpen 4:c1beacfc42c7 39 * led = !led;
MikamiUitOpen 4:c1beacfc42c7 40 * }
MikamiUitOpen 4:c1beacfc42c7 41 * wait(0.25);
MikamiUitOpen 4:c1beacfc42c7 42 * }
MikamiUitOpen 4:c1beacfc42c7 43 * }
MikamiUitOpen 4:c1beacfc42c7 44 * @endcode
MikamiUitOpen 4:c1beacfc42c7 45 */
MikamiUitOpen 4:c1beacfc42c7 46 class DigitalIn {
MikamiUitOpen 4:c1beacfc42c7 47
MikamiUitOpen 4:c1beacfc42c7 48 public:
MikamiUitOpen 4:c1beacfc42c7 49 /** Create a DigitalIn connected to the specified pin
MikamiUitOpen 4:c1beacfc42c7 50 *
MikamiUitOpen 4:c1beacfc42c7 51 * @param pin DigitalIn pin to connect to
MikamiUitOpen 4:c1beacfc42c7 52 */
MikamiUitOpen 4:c1beacfc42c7 53 DigitalIn(PinName pin) : gpio() {
MikamiUitOpen 4:c1beacfc42c7 54 gpio_init_in(&gpio, pin);
MikamiUitOpen 4:c1beacfc42c7 55 }
MikamiUitOpen 4:c1beacfc42c7 56
MikamiUitOpen 4:c1beacfc42c7 57 /** Create a DigitalIn connected to the specified pin
MikamiUitOpen 4:c1beacfc42c7 58 *
MikamiUitOpen 4:c1beacfc42c7 59 * @param pin DigitalIn pin to connect to
MikamiUitOpen 4:c1beacfc42c7 60 * @param mode the initial mode of the pin
MikamiUitOpen 4:c1beacfc42c7 61 */
MikamiUitOpen 4:c1beacfc42c7 62 DigitalIn(PinName pin, PinMode mode) : gpio() {
MikamiUitOpen 4:c1beacfc42c7 63 gpio_init_in_ex(&gpio, pin, mode);
MikamiUitOpen 4:c1beacfc42c7 64 }
MikamiUitOpen 4:c1beacfc42c7 65 /** Read the input, represented as 0 or 1 (int)
MikamiUitOpen 4:c1beacfc42c7 66 *
MikamiUitOpen 4:c1beacfc42c7 67 * @returns
MikamiUitOpen 4:c1beacfc42c7 68 * An integer representing the state of the input pin,
MikamiUitOpen 4:c1beacfc42c7 69 * 0 for logical 0, 1 for logical 1
MikamiUitOpen 4:c1beacfc42c7 70 */
MikamiUitOpen 4:c1beacfc42c7 71 int read() {
MikamiUitOpen 4:c1beacfc42c7 72 return gpio_read(&gpio);
MikamiUitOpen 4:c1beacfc42c7 73 }
MikamiUitOpen 4:c1beacfc42c7 74
MikamiUitOpen 4:c1beacfc42c7 75 /** Set the input pin mode
MikamiUitOpen 4:c1beacfc42c7 76 *
MikamiUitOpen 4:c1beacfc42c7 77 * @param mode PullUp, PullDown, PullNone, OpenDrain
MikamiUitOpen 4:c1beacfc42c7 78 */
MikamiUitOpen 4:c1beacfc42c7 79 void mode(PinMode pull) {
MikamiUitOpen 4:c1beacfc42c7 80 gpio_mode(&gpio, pull);
MikamiUitOpen 4:c1beacfc42c7 81 }
MikamiUitOpen 4:c1beacfc42c7 82
MikamiUitOpen 4:c1beacfc42c7 83 /** Return the output setting, represented as 0 or 1 (int)
MikamiUitOpen 4:c1beacfc42c7 84 *
MikamiUitOpen 4:c1beacfc42c7 85 * @returns
MikamiUitOpen 4:c1beacfc42c7 86 * Non zero value if pin is connected to uc GPIO
MikamiUitOpen 4:c1beacfc42c7 87 * 0 if gpio object was initialized with NC
MikamiUitOpen 4:c1beacfc42c7 88 */
MikamiUitOpen 4:c1beacfc42c7 89 int is_connected() {
MikamiUitOpen 4:c1beacfc42c7 90 return gpio_is_connected(&gpio);
MikamiUitOpen 4:c1beacfc42c7 91 }
MikamiUitOpen 4:c1beacfc42c7 92
MikamiUitOpen 4:c1beacfc42c7 93 #ifdef MBED_OPERATORS
MikamiUitOpen 4:c1beacfc42c7 94 /** An operator shorthand for read()
MikamiUitOpen 4:c1beacfc42c7 95 */
MikamiUitOpen 4:c1beacfc42c7 96 operator int() {
MikamiUitOpen 4:c1beacfc42c7 97 return read();
MikamiUitOpen 4:c1beacfc42c7 98 }
MikamiUitOpen 4:c1beacfc42c7 99 #endif
MikamiUitOpen 4:c1beacfc42c7 100
MikamiUitOpen 4:c1beacfc42c7 101 protected:
MikamiUitOpen 4:c1beacfc42c7 102 gpio_t gpio;
MikamiUitOpen 4:c1beacfc42c7 103 };
MikamiUitOpen 4:c1beacfc42c7 104
MikamiUitOpen 4:c1beacfc42c7 105 } // namespace mbed
MikamiUitOpen 4:c1beacfc42c7 106
MikamiUitOpen 4:c1beacfc42c7 107 #endif