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mbed library sources

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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

Import librarymbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

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?

UserRevisionLine numberNew 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