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cpp/BusIn.h@0:fd0d7bdfcdc2, 2012-11-20 (annotated)
- Committer:
- mbed_official
- Date:
- Tue Nov 20 17:24:08 2012 +0000
- Revision:
- 0:fd0d7bdfcdc2
- Child:
- 2:143cac498751
mbed sources
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 0:fd0d7bdfcdc2 | 1 | /* mbed Microcontroller Library |
mbed_official | 0:fd0d7bdfcdc2 | 2 | * Copyright (c) 2006-2012 ARM Limited |
mbed_official | 0:fd0d7bdfcdc2 | 3 | * |
mbed_official | 0:fd0d7bdfcdc2 | 4 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
mbed_official | 0:fd0d7bdfcdc2 | 5 | * of this software and associated documentation files (the "Software"), to deal |
mbed_official | 0:fd0d7bdfcdc2 | 6 | * in the Software without restriction, including without limitation the rights |
mbed_official | 0:fd0d7bdfcdc2 | 7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
mbed_official | 0:fd0d7bdfcdc2 | 8 | * copies of the Software, and to permit persons to whom the Software is |
mbed_official | 0:fd0d7bdfcdc2 | 9 | * furnished to do so, subject to the following conditions: |
mbed_official | 0:fd0d7bdfcdc2 | 10 | * |
mbed_official | 0:fd0d7bdfcdc2 | 11 | * The above copyright notice and this permission notice shall be included in |
mbed_official | 0:fd0d7bdfcdc2 | 12 | * all copies or substantial portions of the Software. |
mbed_official | 0:fd0d7bdfcdc2 | 13 | * |
mbed_official | 0:fd0d7bdfcdc2 | 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
mbed_official | 0:fd0d7bdfcdc2 | 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
mbed_official | 0:fd0d7bdfcdc2 | 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
mbed_official | 0:fd0d7bdfcdc2 | 17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
mbed_official | 0:fd0d7bdfcdc2 | 18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
mbed_official | 0:fd0d7bdfcdc2 | 19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
mbed_official | 0:fd0d7bdfcdc2 | 20 | * SOFTWARE. |
mbed_official | 0:fd0d7bdfcdc2 | 21 | */ |
mbed_official | 0:fd0d7bdfcdc2 | 22 | #ifndef MBED_BUSIN_H |
mbed_official | 0:fd0d7bdfcdc2 | 23 | #define MBED_BUSIN_H |
mbed_official | 0:fd0d7bdfcdc2 | 24 | |
mbed_official | 0:fd0d7bdfcdc2 | 25 | #include "platform.h" |
mbed_official | 0:fd0d7bdfcdc2 | 26 | #include "DigitalIn.h" |
mbed_official | 0:fd0d7bdfcdc2 | 27 | |
mbed_official | 0:fd0d7bdfcdc2 | 28 | namespace mbed { |
mbed_official | 0:fd0d7bdfcdc2 | 29 | |
mbed_official | 0:fd0d7bdfcdc2 | 30 | /** A digital input bus, used for reading the state of a collection of pins |
mbed_official | 0:fd0d7bdfcdc2 | 31 | */ |
mbed_official | 0:fd0d7bdfcdc2 | 32 | class BusIn { |
mbed_official | 0:fd0d7bdfcdc2 | 33 | |
mbed_official | 0:fd0d7bdfcdc2 | 34 | public: |
mbed_official | 0:fd0d7bdfcdc2 | 35 | /* Group: Configuration Methods */ |
mbed_official | 0:fd0d7bdfcdc2 | 36 | |
mbed_official | 0:fd0d7bdfcdc2 | 37 | /** Create an BusIn, connected to the specified pins |
mbed_official | 0:fd0d7bdfcdc2 | 38 | * |
mbed_official | 0:fd0d7bdfcdc2 | 39 | * @param <n> DigitalIn pin to connect to bus bit <n> (p5-p30, NC) |
mbed_official | 0:fd0d7bdfcdc2 | 40 | * |
mbed_official | 0:fd0d7bdfcdc2 | 41 | * @note |
mbed_official | 0:fd0d7bdfcdc2 | 42 | * It is only required to specify as many pin variables as is required |
mbed_official | 0:fd0d7bdfcdc2 | 43 | * for the bus; the rest will default to NC (not connected) |
mbed_official | 0:fd0d7bdfcdc2 | 44 | */ |
mbed_official | 0:fd0d7bdfcdc2 | 45 | BusIn(PinName p0, PinName p1 = NC, PinName p2 = NC, PinName p3 = NC, |
mbed_official | 0:fd0d7bdfcdc2 | 46 | PinName p4 = NC, PinName p5 = NC, PinName p6 = NC, PinName p7 = NC, |
mbed_official | 0:fd0d7bdfcdc2 | 47 | PinName p8 = NC, PinName p9 = NC, PinName p10 = NC, PinName p11 = NC, |
mbed_official | 0:fd0d7bdfcdc2 | 48 | PinName p12 = NC, PinName p13 = NC, PinName p14 = NC, PinName p15 = NC); |
mbed_official | 0:fd0d7bdfcdc2 | 49 | |
mbed_official | 0:fd0d7bdfcdc2 | 50 | BusIn(PinName pins[16]); |
mbed_official | 0:fd0d7bdfcdc2 | 51 | |
mbed_official | 0:fd0d7bdfcdc2 | 52 | virtual ~BusIn(); |
mbed_official | 0:fd0d7bdfcdc2 | 53 | |
mbed_official | 0:fd0d7bdfcdc2 | 54 | /** Read the value of the input bus |
mbed_official | 0:fd0d7bdfcdc2 | 55 | * |
mbed_official | 0:fd0d7bdfcdc2 | 56 | * @returns |
mbed_official | 0:fd0d7bdfcdc2 | 57 | * An integer with each bit corresponding to the value read from the associated DigitalIn pin |
mbed_official | 0:fd0d7bdfcdc2 | 58 | */ |
mbed_official | 0:fd0d7bdfcdc2 | 59 | int read(); |
mbed_official | 0:fd0d7bdfcdc2 | 60 | |
mbed_official | 0:fd0d7bdfcdc2 | 61 | #ifdef MBED_OPERATORS |
mbed_official | 0:fd0d7bdfcdc2 | 62 | /** A shorthand for read() |
mbed_official | 0:fd0d7bdfcdc2 | 63 | */ |
mbed_official | 0:fd0d7bdfcdc2 | 64 | operator int(); |
mbed_official | 0:fd0d7bdfcdc2 | 65 | #endif |
mbed_official | 0:fd0d7bdfcdc2 | 66 | |
mbed_official | 0:fd0d7bdfcdc2 | 67 | protected: |
mbed_official | 0:fd0d7bdfcdc2 | 68 | DigitalIn* _pin[16]; |
mbed_official | 0:fd0d7bdfcdc2 | 69 | }; |
mbed_official | 0:fd0d7bdfcdc2 | 70 | |
mbed_official | 0:fd0d7bdfcdc2 | 71 | } // namespace mbed |
mbed_official | 0:fd0d7bdfcdc2 | 72 | |
mbed_official | 0:fd0d7bdfcdc2 | 73 | #endif |