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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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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/BusInOut.h@9:0ce32e54c9a7, 2013-06-10 (annotated)

Committer:
emilmont
Date:
Mon Jun 10 16:03:00 2013 +0100
Revision:
9:0ce32e54c9a7
Parent:
cpp/BusInOut.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_BUSINOUT_H
mbed_official 0:fd0d7bdfcdc2 17 #define MBED_BUSINOUT_H
mbed_official 0:fd0d7bdfcdc2 18
mbed_official 0:fd0d7bdfcdc2 19 #include "DigitalInOut.h"
mbed_official 0:fd0d7bdfcdc2 20
mbed_official 0:fd0d7bdfcdc2 21 namespace mbed {
mbed_official 0:fd0d7bdfcdc2 22
mbed_official 0:fd0d7bdfcdc2 23 /** A digital input output bus, used for setting the state of a collection of pins
mbed_official 0:fd0d7bdfcdc2 24 */
mbed_official 0:fd0d7bdfcdc2 25 class BusInOut {
mbed_official 0:fd0d7bdfcdc2 26
mbed_official 0:fd0d7bdfcdc2 27 public:
emilmont 2:143cac498751 28
mbed_official 0:fd0d7bdfcdc2 29 /** Create an BusInOut, connected to the specified pins
mbed_official 0:fd0d7bdfcdc2 30 *
mbed_official 0:fd0d7bdfcdc2 31 * @param p<n> DigitalInOut pin to connect to bus bit p<n> (p5-p30, NC)
mbed_official 0:fd0d7bdfcdc2 32 *
mbed_official 0:fd0d7bdfcdc2 33 * @note
mbed_official 0:fd0d7bdfcdc2 34 * It is only required to specify as many pin variables as is required
mbed_official 0:fd0d7bdfcdc2 35 * for the bus; the rest will default to NC (not connected)
mbed_official 0:fd0d7bdfcdc2 36 */
mbed_official 0:fd0d7bdfcdc2 37 BusInOut(PinName p0, PinName p1 = NC, PinName p2 = NC, PinName p3 = NC,
mbed_official 0:fd0d7bdfcdc2 38 PinName p4 = NC, PinName p5 = NC, PinName p6 = NC, PinName p7 = NC,
mbed_official 0:fd0d7bdfcdc2 39 PinName p8 = NC, PinName p9 = NC, PinName p10 = NC, PinName p11 = NC,
mbed_official 0:fd0d7bdfcdc2 40 PinName p12 = NC, PinName p13 = NC, PinName p14 = NC, PinName p15 = NC);
mbed_official 0:fd0d7bdfcdc2 41
mbed_official 0:fd0d7bdfcdc2 42 BusInOut(PinName pins[16]);
mbed_official 0:fd0d7bdfcdc2 43
mbed_official 0:fd0d7bdfcdc2 44 virtual ~BusInOut();
mbed_official 0:fd0d7bdfcdc2 45
mbed_official 0:fd0d7bdfcdc2 46 /* Group: Access Methods */
mbed_official 0:fd0d7bdfcdc2 47
mbed_official 0:fd0d7bdfcdc2 48 /** Write the value to the output bus
mbed_official 0:fd0d7bdfcdc2 49 *
mbed_official 0:fd0d7bdfcdc2 50 * @param value An integer specifying a bit to write for every corresponding DigitalInOut pin
mbed_official 0:fd0d7bdfcdc2 51 */
mbed_official 0:fd0d7bdfcdc2 52 void write(int value);
mbed_official 0:fd0d7bdfcdc2 53
emilmont 2:143cac498751 54
mbed_official 0:fd0d7bdfcdc2 55 /** Read the value currently output on the bus
mbed_official 0:fd0d7bdfcdc2 56 *
mbed_official 0:fd0d7bdfcdc2 57 * @returns
mbed_official 0:fd0d7bdfcdc2 58 * An integer with each bit corresponding to associated DigitalInOut pin setting
mbed_official 0:fd0d7bdfcdc2 59 */
mbed_official 0:fd0d7bdfcdc2 60 int read();
mbed_official 0:fd0d7bdfcdc2 61
mbed_official 0:fd0d7bdfcdc2 62 /** Set as an output
mbed_official 0:fd0d7bdfcdc2 63 */
mbed_official 0:fd0d7bdfcdc2 64 void output();
mbed_official 0:fd0d7bdfcdc2 65
mbed_official 0:fd0d7bdfcdc2 66 /** Set as an input
mbed_official 0:fd0d7bdfcdc2 67 */
mbed_official 0:fd0d7bdfcdc2 68 void input();
mbed_official 0:fd0d7bdfcdc2 69
mbed_official 0:fd0d7bdfcdc2 70 /** Set the input pin mode
mbed_official 0:fd0d7bdfcdc2 71 *
mbed_official 0:fd0d7bdfcdc2 72 * @param mode PullUp, PullDown, PullNone
mbed_official 0:fd0d7bdfcdc2 73 */
mbed_official 0:fd0d7bdfcdc2 74 void mode(PinMode pull);
emilmont 2:143cac498751 75
mbed_official 0:fd0d7bdfcdc2 76 #ifdef MBED_OPERATORS
mbed_official 0:fd0d7bdfcdc2 77 /** A shorthand for write()
mbed_official 0:fd0d7bdfcdc2 78 */
mbed_official 0:fd0d7bdfcdc2 79 BusInOut& operator= (int v);
mbed_official 0:fd0d7bdfcdc2 80 BusInOut& operator= (BusInOut& rhs);
mbed_official 0:fd0d7bdfcdc2 81
mbed_official 0:fd0d7bdfcdc2 82 /** A shorthand for read()
mbed_official 0:fd0d7bdfcdc2 83 */
mbed_official 0:fd0d7bdfcdc2 84 operator int();
mbed_official 0:fd0d7bdfcdc2 85 #endif
mbed_official 0:fd0d7bdfcdc2 86
mbed_official 0:fd0d7bdfcdc2 87 protected:
mbed_official 0:fd0d7bdfcdc2 88 DigitalInOut* _pin[16];
mbed_official 0:fd0d7bdfcdc2 89 };
mbed_official 0:fd0d7bdfcdc2 90
mbed_official 0:fd0d7bdfcdc2 91 } // namespace mbed
mbed_official 0:fd0d7bdfcdc2 92
mbed_official 0:fd0d7bdfcdc2 93 #endif