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IOTIO
Dependencies: Nucleo_BLE_API_IOTIO Nucleo_BLE_BlueNRG Nucleo_BLE_DemoApp Nucleo_Sensor_Shield mbed
Dependents: Nucleo_BLE_Demo_IOTIO
Fork of Nucleo_BLE_Demo by
mbed/DigitalIn.h@1:4bdfa7d7e8bf, 2016-10-29 (annotated)
- Committer:
- 16038618
- Date:
- Sat Oct 29 15:11:28 2016 +0000
- Revision:
- 1:4bdfa7d7e8bf
IOTIO
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
16038618 | 1:4bdfa7d7e8bf | 1 | /* mbed Microcontroller Library |
16038618 | 1:4bdfa7d7e8bf | 2 | * Copyright (c) 2006-2013 ARM Limited |
16038618 | 1:4bdfa7d7e8bf | 3 | * |
16038618 | 1:4bdfa7d7e8bf | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
16038618 | 1:4bdfa7d7e8bf | 5 | * you may not use this file except in compliance with the License. |
16038618 | 1:4bdfa7d7e8bf | 6 | * You may obtain a copy of the License at |
16038618 | 1:4bdfa7d7e8bf | 7 | * |
16038618 | 1:4bdfa7d7e8bf | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
16038618 | 1:4bdfa7d7e8bf | 9 | * |
16038618 | 1:4bdfa7d7e8bf | 10 | * Unless required by applicable law or agreed to in writing, software |
16038618 | 1:4bdfa7d7e8bf | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
16038618 | 1:4bdfa7d7e8bf | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
16038618 | 1:4bdfa7d7e8bf | 13 | * See the License for the specific language governing permissions and |
16038618 | 1:4bdfa7d7e8bf | 14 | * limitations under the License. |
16038618 | 1:4bdfa7d7e8bf | 15 | */ |
16038618 | 1:4bdfa7d7e8bf | 16 | #ifndef MBED_DIGITALIN_H |
16038618 | 1:4bdfa7d7e8bf | 17 | #define MBED_DIGITALIN_H |
16038618 | 1:4bdfa7d7e8bf | 18 | |
16038618 | 1:4bdfa7d7e8bf | 19 | #include "platform.h" |
16038618 | 1:4bdfa7d7e8bf | 20 | |
16038618 | 1:4bdfa7d7e8bf | 21 | #include "gpio_api.h" |
16038618 | 1:4bdfa7d7e8bf | 22 | |
16038618 | 1:4bdfa7d7e8bf | 23 | namespace mbed { |
16038618 | 1:4bdfa7d7e8bf | 24 | |
16038618 | 1:4bdfa7d7e8bf | 25 | /** A digital input, used for reading the state of a pin |
16038618 | 1:4bdfa7d7e8bf | 26 | * |
16038618 | 1:4bdfa7d7e8bf | 27 | * Example: |
16038618 | 1:4bdfa7d7e8bf | 28 | * @code |
16038618 | 1:4bdfa7d7e8bf | 29 | * // Flash an LED while a DigitalIn is true |
16038618 | 1:4bdfa7d7e8bf | 30 | * |
16038618 | 1:4bdfa7d7e8bf | 31 | * #include "mbed.h" |
16038618 | 1:4bdfa7d7e8bf | 32 | * |
16038618 | 1:4bdfa7d7e8bf | 33 | * DigitalIn enable(p5); |
16038618 | 1:4bdfa7d7e8bf | 34 | * DigitalOut led(LED1); |
16038618 | 1:4bdfa7d7e8bf | 35 | * |
16038618 | 1:4bdfa7d7e8bf | 36 | * int main() { |
16038618 | 1:4bdfa7d7e8bf | 37 | * while(1) { |
16038618 | 1:4bdfa7d7e8bf | 38 | * if(enable) { |
16038618 | 1:4bdfa7d7e8bf | 39 | * led = !led; |
16038618 | 1:4bdfa7d7e8bf | 40 | * } |
16038618 | 1:4bdfa7d7e8bf | 41 | * wait(0.25); |
16038618 | 1:4bdfa7d7e8bf | 42 | * } |
16038618 | 1:4bdfa7d7e8bf | 43 | * } |
16038618 | 1:4bdfa7d7e8bf | 44 | * @endcode |
16038618 | 1:4bdfa7d7e8bf | 45 | */ |
16038618 | 1:4bdfa7d7e8bf | 46 | class DigitalIn { |
16038618 | 1:4bdfa7d7e8bf | 47 | |
16038618 | 1:4bdfa7d7e8bf | 48 | public: |
16038618 | 1:4bdfa7d7e8bf | 49 | /** Create a DigitalIn connected to the specified pin |
16038618 | 1:4bdfa7d7e8bf | 50 | * |
16038618 | 1:4bdfa7d7e8bf | 51 | * @param pin DigitalIn pin to connect to |
16038618 | 1:4bdfa7d7e8bf | 52 | */ |
16038618 | 1:4bdfa7d7e8bf | 53 | DigitalIn(PinName pin) : gpio() { |
16038618 | 1:4bdfa7d7e8bf | 54 | gpio_init_in(&gpio, pin); |
16038618 | 1:4bdfa7d7e8bf | 55 | } |
16038618 | 1:4bdfa7d7e8bf | 56 | |
16038618 | 1:4bdfa7d7e8bf | 57 | /** Create a DigitalIn connected to the specified pin |
16038618 | 1:4bdfa7d7e8bf | 58 | * |
16038618 | 1:4bdfa7d7e8bf | 59 | * @param pin DigitalIn pin to connect to |
16038618 | 1:4bdfa7d7e8bf | 60 | * @param mode the initial mode of the pin |
16038618 | 1:4bdfa7d7e8bf | 61 | */ |
16038618 | 1:4bdfa7d7e8bf | 62 | DigitalIn(PinName pin, PinMode mode) : gpio() { |
16038618 | 1:4bdfa7d7e8bf | 63 | gpio_init_in_ex(&gpio, pin, mode); |
16038618 | 1:4bdfa7d7e8bf | 64 | } |
16038618 | 1:4bdfa7d7e8bf | 65 | /** Read the input, represented as 0 or 1 (int) |
16038618 | 1:4bdfa7d7e8bf | 66 | * |
16038618 | 1:4bdfa7d7e8bf | 67 | * @returns |
16038618 | 1:4bdfa7d7e8bf | 68 | * An integer representing the state of the input pin, |
16038618 | 1:4bdfa7d7e8bf | 69 | * 0 for logical 0, 1 for logical 1 |
16038618 | 1:4bdfa7d7e8bf | 70 | */ |
16038618 | 1:4bdfa7d7e8bf | 71 | int read() { |
16038618 | 1:4bdfa7d7e8bf | 72 | return gpio_read(&gpio); |
16038618 | 1:4bdfa7d7e8bf | 73 | } |
16038618 | 1:4bdfa7d7e8bf | 74 | |
16038618 | 1:4bdfa7d7e8bf | 75 | /** Set the input pin mode |
16038618 | 1:4bdfa7d7e8bf | 76 | * |
16038618 | 1:4bdfa7d7e8bf | 77 | * @param mode PullUp, PullDown, PullNone, OpenDrain |
16038618 | 1:4bdfa7d7e8bf | 78 | */ |
16038618 | 1:4bdfa7d7e8bf | 79 | void mode(PinMode pull) { |
16038618 | 1:4bdfa7d7e8bf | 80 | gpio_mode(&gpio, pull); |
16038618 | 1:4bdfa7d7e8bf | 81 | } |
16038618 | 1:4bdfa7d7e8bf | 82 | |
16038618 | 1:4bdfa7d7e8bf | 83 | /** Return the output setting, represented as 0 or 1 (int) |
16038618 | 1:4bdfa7d7e8bf | 84 | * |
16038618 | 1:4bdfa7d7e8bf | 85 | * @returns |
16038618 | 1:4bdfa7d7e8bf | 86 | * Non zero value if pin is connected to uc GPIO |
16038618 | 1:4bdfa7d7e8bf | 87 | * 0 if gpio object was initialized with NC |
16038618 | 1:4bdfa7d7e8bf | 88 | */ |
16038618 | 1:4bdfa7d7e8bf | 89 | int is_connected() { |
16038618 | 1:4bdfa7d7e8bf | 90 | return gpio_is_connected(&gpio); |
16038618 | 1:4bdfa7d7e8bf | 91 | } |
16038618 | 1:4bdfa7d7e8bf | 92 | |
16038618 | 1:4bdfa7d7e8bf | 93 | #ifdef MBED_OPERATORS |
16038618 | 1:4bdfa7d7e8bf | 94 | /** An operator shorthand for read() |
16038618 | 1:4bdfa7d7e8bf | 95 | */ |
16038618 | 1:4bdfa7d7e8bf | 96 | operator int() { |
16038618 | 1:4bdfa7d7e8bf | 97 | return read(); |
16038618 | 1:4bdfa7d7e8bf | 98 | } |
16038618 | 1:4bdfa7d7e8bf | 99 | #endif |
16038618 | 1:4bdfa7d7e8bf | 100 | |
16038618 | 1:4bdfa7d7e8bf | 101 | protected: |
16038618 | 1:4bdfa7d7e8bf | 102 | gpio_t gpio; |
16038618 | 1:4bdfa7d7e8bf | 103 | }; |
16038618 | 1:4bdfa7d7e8bf | 104 | |
16038618 | 1:4bdfa7d7e8bf | 105 | } // namespace mbed |
16038618 | 1:4bdfa7d7e8bf | 106 | |
16038618 | 1:4bdfa7d7e8bf | 107 | #endif |