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api/BusIn.h@9:0ce32e54c9a7, 2013-06-10 (annotated)
- Committer:
- emilmont
- Date:
- Mon Jun 10 16:03:00 2013 +0100
- Revision:
- 9:0ce32e54c9a7
- Parent:
- cpp/BusIn.h@2:143cac498751
- Child:
- 10:3bc89ef62ce7
Refactoring of the mbed SDK:
- Provide a well defined HAL and API
- Keep separated the HAL implementations for the different targets
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 0:fd0d7bdfcdc2 | 1 | /* mbed Microcontroller Library |
emilmont | 2:143cac498751 | 2 | * Copyright (c) 2006-2013 ARM Limited |
mbed_official | 0:fd0d7bdfcdc2 | 3 | * |
emilmont | 2:143cac498751 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
emilmont | 2:143cac498751 | 5 | * you may not use this file except in compliance with the License. |
emilmont | 2:143cac498751 | 6 | * You may obtain a copy of the License at |
mbed_official | 0:fd0d7bdfcdc2 | 7 | * |
emilmont | 2:143cac498751 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
mbed_official | 0:fd0d7bdfcdc2 | 9 | * |
emilmont | 2:143cac498751 | 10 | * Unless required by applicable law or agreed to in writing, software |
emilmont | 2:143cac498751 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
emilmont | 2:143cac498751 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
emilmont | 2:143cac498751 | 13 | * See the License for the specific language governing permissions and |
emilmont | 2:143cac498751 | 14 | * limitations under the License. |
mbed_official | 0:fd0d7bdfcdc2 | 15 | */ |
mbed_official | 0:fd0d7bdfcdc2 | 16 | #ifndef MBED_BUSIN_H |
mbed_official | 0:fd0d7bdfcdc2 | 17 | #define MBED_BUSIN_H |
mbed_official | 0:fd0d7bdfcdc2 | 18 | |
mbed_official | 0:fd0d7bdfcdc2 | 19 | #include "platform.h" |
mbed_official | 0:fd0d7bdfcdc2 | 20 | #include "DigitalIn.h" |
mbed_official | 0:fd0d7bdfcdc2 | 21 | |
mbed_official | 0:fd0d7bdfcdc2 | 22 | namespace mbed { |
mbed_official | 0:fd0d7bdfcdc2 | 23 | |
mbed_official | 0:fd0d7bdfcdc2 | 24 | /** A digital input bus, used for reading the state of a collection of pins |
mbed_official | 0:fd0d7bdfcdc2 | 25 | */ |
mbed_official | 0:fd0d7bdfcdc2 | 26 | class BusIn { |
mbed_official | 0:fd0d7bdfcdc2 | 27 | |
mbed_official | 0:fd0d7bdfcdc2 | 28 | public: |
mbed_official | 0:fd0d7bdfcdc2 | 29 | /* Group: Configuration Methods */ |
mbed_official | 0:fd0d7bdfcdc2 | 30 | |
mbed_official | 0:fd0d7bdfcdc2 | 31 | /** Create an BusIn, connected to the specified pins |
mbed_official | 0:fd0d7bdfcdc2 | 32 | * |
mbed_official | 0:fd0d7bdfcdc2 | 33 | * @param <n> DigitalIn pin to connect to bus bit <n> (p5-p30, NC) |
mbed_official | 0:fd0d7bdfcdc2 | 34 | * |
mbed_official | 0:fd0d7bdfcdc2 | 35 | * @note |
mbed_official | 0:fd0d7bdfcdc2 | 36 | * It is only required to specify as many pin variables as is required |
mbed_official | 0:fd0d7bdfcdc2 | 37 | * for the bus; the rest will default to NC (not connected) |
emilmont | 2:143cac498751 | 38 | */ |
mbed_official | 0:fd0d7bdfcdc2 | 39 | BusIn(PinName p0, PinName p1 = NC, PinName p2 = NC, PinName p3 = NC, |
mbed_official | 0:fd0d7bdfcdc2 | 40 | PinName p4 = NC, PinName p5 = NC, PinName p6 = NC, PinName p7 = NC, |
mbed_official | 0:fd0d7bdfcdc2 | 41 | PinName p8 = NC, PinName p9 = NC, PinName p10 = NC, PinName p11 = NC, |
mbed_official | 0:fd0d7bdfcdc2 | 42 | PinName p12 = NC, PinName p13 = NC, PinName p14 = NC, PinName p15 = NC); |
mbed_official | 0:fd0d7bdfcdc2 | 43 | |
mbed_official | 0:fd0d7bdfcdc2 | 44 | BusIn(PinName pins[16]); |
emilmont | 2:143cac498751 | 45 | |
mbed_official | 0:fd0d7bdfcdc2 | 46 | virtual ~BusIn(); |
emilmont | 2:143cac498751 | 47 | |
mbed_official | 0:fd0d7bdfcdc2 | 48 | /** Read the value of the input bus |
mbed_official | 0:fd0d7bdfcdc2 | 49 | * |
mbed_official | 0:fd0d7bdfcdc2 | 50 | * @returns |
mbed_official | 0:fd0d7bdfcdc2 | 51 | * An integer with each bit corresponding to the value read from the associated DigitalIn pin |
mbed_official | 0:fd0d7bdfcdc2 | 52 | */ |
mbed_official | 0:fd0d7bdfcdc2 | 53 | int read(); |
mbed_official | 0:fd0d7bdfcdc2 | 54 | |
mbed_official | 0:fd0d7bdfcdc2 | 55 | #ifdef MBED_OPERATORS |
mbed_official | 0:fd0d7bdfcdc2 | 56 | /** A shorthand for read() |
mbed_official | 0:fd0d7bdfcdc2 | 57 | */ |
mbed_official | 0:fd0d7bdfcdc2 | 58 | operator int(); |
mbed_official | 0:fd0d7bdfcdc2 | 59 | #endif |
mbed_official | 0:fd0d7bdfcdc2 | 60 | |
mbed_official | 0:fd0d7bdfcdc2 | 61 | protected: |
mbed_official | 0:fd0d7bdfcdc2 | 62 | DigitalIn* _pin[16]; |
mbed_official | 0:fd0d7bdfcdc2 | 63 | }; |
mbed_official | 0:fd0d7bdfcdc2 | 64 | |
mbed_official | 0:fd0d7bdfcdc2 | 65 | } // namespace mbed |
mbed_official | 0:fd0d7bdfcdc2 | 66 | |
mbed_official | 0:fd0d7bdfcdc2 | 67 | #endif |