FRDM-K64F, Avnet M14A2A, Grove Shield, to create smart home system. In use with AT&Ts M2x & Flow.
Dependencies: mbed FXOS8700CQ MODSERIAL
mbed/PortIn.h@84:fc8c9b39723a, 2019-03-06 (annotated)
- Committer:
- jwhammel
- Date:
- Wed Mar 06 21:11:49 2019 +0000
- Revision:
- 84:fc8c9b39723a
Embedded Systems Midterm Project Spring 2019
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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jwhammel | 84:fc8c9b39723a | 1 | /* mbed Microcontroller Library |
jwhammel | 84:fc8c9b39723a | 2 | * Copyright (c) 2006-2013 ARM Limited |
jwhammel | 84:fc8c9b39723a | 3 | * |
jwhammel | 84:fc8c9b39723a | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
jwhammel | 84:fc8c9b39723a | 5 | * you may not use this file except in compliance with the License. |
jwhammel | 84:fc8c9b39723a | 6 | * You may obtain a copy of the License at |
jwhammel | 84:fc8c9b39723a | 7 | * |
jwhammel | 84:fc8c9b39723a | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
jwhammel | 84:fc8c9b39723a | 9 | * |
jwhammel | 84:fc8c9b39723a | 10 | * Unless required by applicable law or agreed to in writing, software |
jwhammel | 84:fc8c9b39723a | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
jwhammel | 84:fc8c9b39723a | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
jwhammel | 84:fc8c9b39723a | 13 | * See the License for the specific language governing permissions and |
jwhammel | 84:fc8c9b39723a | 14 | * limitations under the License. |
jwhammel | 84:fc8c9b39723a | 15 | */ |
jwhammel | 84:fc8c9b39723a | 16 | #ifndef MBED_PORTIN_H |
jwhammel | 84:fc8c9b39723a | 17 | #define MBED_PORTIN_H |
jwhammel | 84:fc8c9b39723a | 18 | |
jwhammel | 84:fc8c9b39723a | 19 | #include "platform.h" |
jwhammel | 84:fc8c9b39723a | 20 | |
jwhammel | 84:fc8c9b39723a | 21 | #if DEVICE_PORTIN |
jwhammel | 84:fc8c9b39723a | 22 | |
jwhammel | 84:fc8c9b39723a | 23 | #include "port_api.h" |
jwhammel | 84:fc8c9b39723a | 24 | |
jwhammel | 84:fc8c9b39723a | 25 | namespace mbed { |
jwhammel | 84:fc8c9b39723a | 26 | |
jwhammel | 84:fc8c9b39723a | 27 | /** A multiple pin digital input |
jwhammel | 84:fc8c9b39723a | 28 | * |
jwhammel | 84:fc8c9b39723a | 29 | * Example: |
jwhammel | 84:fc8c9b39723a | 30 | * @code |
jwhammel | 84:fc8c9b39723a | 31 | * // Switch on an LED if any of mbed pins 21-26 is high |
jwhammel | 84:fc8c9b39723a | 32 | * |
jwhammel | 84:fc8c9b39723a | 33 | * #include "mbed.h" |
jwhammel | 84:fc8c9b39723a | 34 | * |
jwhammel | 84:fc8c9b39723a | 35 | * PortIn p(Port2, 0x0000003F); // p21-p26 |
jwhammel | 84:fc8c9b39723a | 36 | * DigitalOut ind(LED4); |
jwhammel | 84:fc8c9b39723a | 37 | * |
jwhammel | 84:fc8c9b39723a | 38 | * int main() { |
jwhammel | 84:fc8c9b39723a | 39 | * while(1) { |
jwhammel | 84:fc8c9b39723a | 40 | * int pins = p.read(); |
jwhammel | 84:fc8c9b39723a | 41 | * if(pins) { |
jwhammel | 84:fc8c9b39723a | 42 | * ind = 1; |
jwhammel | 84:fc8c9b39723a | 43 | * } else { |
jwhammel | 84:fc8c9b39723a | 44 | * ind = 0; |
jwhammel | 84:fc8c9b39723a | 45 | * } |
jwhammel | 84:fc8c9b39723a | 46 | * } |
jwhammel | 84:fc8c9b39723a | 47 | * } |
jwhammel | 84:fc8c9b39723a | 48 | * @endcode |
jwhammel | 84:fc8c9b39723a | 49 | */ |
jwhammel | 84:fc8c9b39723a | 50 | class PortIn { |
jwhammel | 84:fc8c9b39723a | 51 | public: |
jwhammel | 84:fc8c9b39723a | 52 | |
jwhammel | 84:fc8c9b39723a | 53 | /** Create an PortIn, connected to the specified port |
jwhammel | 84:fc8c9b39723a | 54 | * |
jwhammel | 84:fc8c9b39723a | 55 | * @param port Port to connect to (Port0-Port5) |
jwhammel | 84:fc8c9b39723a | 56 | * @param mask A bitmask to identify which bits in the port should be included (0 - ignore) |
jwhammel | 84:fc8c9b39723a | 57 | */ |
jwhammel | 84:fc8c9b39723a | 58 | PortIn(PortName port, int mask = 0xFFFFFFFF) { |
jwhammel | 84:fc8c9b39723a | 59 | port_init(&_port, port, mask, PIN_INPUT); |
jwhammel | 84:fc8c9b39723a | 60 | } |
jwhammel | 84:fc8c9b39723a | 61 | |
jwhammel | 84:fc8c9b39723a | 62 | /** Read the value currently output on the port |
jwhammel | 84:fc8c9b39723a | 63 | * |
jwhammel | 84:fc8c9b39723a | 64 | * @returns |
jwhammel | 84:fc8c9b39723a | 65 | * An integer with each bit corresponding to associated port pin setting |
jwhammel | 84:fc8c9b39723a | 66 | */ |
jwhammel | 84:fc8c9b39723a | 67 | int read() { |
jwhammel | 84:fc8c9b39723a | 68 | return port_read(&_port); |
jwhammel | 84:fc8c9b39723a | 69 | } |
jwhammel | 84:fc8c9b39723a | 70 | |
jwhammel | 84:fc8c9b39723a | 71 | /** Set the input pin mode |
jwhammel | 84:fc8c9b39723a | 72 | * |
jwhammel | 84:fc8c9b39723a | 73 | * @param mode PullUp, PullDown, PullNone, OpenDrain |
jwhammel | 84:fc8c9b39723a | 74 | */ |
jwhammel | 84:fc8c9b39723a | 75 | void mode(PinMode mode) { |
jwhammel | 84:fc8c9b39723a | 76 | port_mode(&_port, mode); |
jwhammel | 84:fc8c9b39723a | 77 | } |
jwhammel | 84:fc8c9b39723a | 78 | |
jwhammel | 84:fc8c9b39723a | 79 | /** A shorthand for read() |
jwhammel | 84:fc8c9b39723a | 80 | */ |
jwhammel | 84:fc8c9b39723a | 81 | operator int() { |
jwhammel | 84:fc8c9b39723a | 82 | return read(); |
jwhammel | 84:fc8c9b39723a | 83 | } |
jwhammel | 84:fc8c9b39723a | 84 | |
jwhammel | 84:fc8c9b39723a | 85 | private: |
jwhammel | 84:fc8c9b39723a | 86 | port_t _port; |
jwhammel | 84:fc8c9b39723a | 87 | }; |
jwhammel | 84:fc8c9b39723a | 88 | |
jwhammel | 84:fc8c9b39723a | 89 | } // namespace mbed |
jwhammel | 84:fc8c9b39723a | 90 | |
jwhammel | 84:fc8c9b39723a | 91 | #endif |
jwhammel | 84:fc8c9b39723a | 92 | |
jwhammel | 84:fc8c9b39723a | 93 | #endif |
jwhammel | 84:fc8c9b39723a | 94 |