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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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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

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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@160:6870f452afa4, 2014-04-14 (annotated)

Committer:
mbed_official
Date:
Mon Apr 14 11:30:06 2014 +0100
Revision:
160:6870f452afa4
Parent:
13:0645d8841f51
Child:
212:34d62c0b2af6
Synchronized with git revision 65be1ee4a1e5212e696a4d8cab05bfc0522bb81f



Full URL: https://github.com/mbedmicro/mbed/commit/65be1ee4a1e5212e696a4d8cab05bfc0522bb81f/



Mode added to BusIn + allow creation of NC pins

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 13:0645d8841f51 1 /* mbed Microcontroller Library
bogdanm 13:0645d8841f51 2 * Copyright (c) 2006-2013 ARM Limited
bogdanm 13:0645d8841f51 3 *
bogdanm 13:0645d8841f51 4 * Licensed under the Apache License, Version 2.0 (the "License");
bogdanm 13:0645d8841f51 5 * you may not use this file except in compliance with the License.
bogdanm 13:0645d8841f51 6 * You may obtain a copy of the License at
bogdanm 13:0645d8841f51 7 *
bogdanm 13:0645d8841f51 8 * http://www.apache.org/licenses/LICENSE-2.0
bogdanm 13:0645d8841f51 9 *
bogdanm 13:0645d8841f51 10 * Unless required by applicable law or agreed to in writing, software
bogdanm 13:0645d8841f51 11 * distributed under the License is distributed on an "AS IS" BASIS,
bogdanm 13:0645d8841f51 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
bogdanm 13:0645d8841f51 13 * See the License for the specific language governing permissions and
bogdanm 13:0645d8841f51 14 * limitations under the License.
bogdanm 13:0645d8841f51 15 */
bogdanm 13:0645d8841f51 16 #ifndef MBED_BUSIN_H
bogdanm 13:0645d8841f51 17 #define MBED_BUSIN_H
bogdanm 13:0645d8841f51 18
bogdanm 13:0645d8841f51 19 #include "platform.h"
bogdanm 13:0645d8841f51 20 #include "DigitalIn.h"
bogdanm 13:0645d8841f51 21
bogdanm 13:0645d8841f51 22 namespace mbed {
bogdanm 13:0645d8841f51 23
bogdanm 13:0645d8841f51 24 /** A digital input bus, used for reading the state of a collection of pins
bogdanm 13:0645d8841f51 25 */
bogdanm 13:0645d8841f51 26 class BusIn {
bogdanm 13:0645d8841f51 27
bogdanm 13:0645d8841f51 28 public:
bogdanm 13:0645d8841f51 29 /* Group: Configuration Methods */
bogdanm 13:0645d8841f51 30
bogdanm 13:0645d8841f51 31 /** Create an BusIn, connected to the specified pins
bogdanm 13:0645d8841f51 32 *
bogdanm 13:0645d8841f51 33 * @param <n> DigitalIn pin to connect to bus bit <n> (p5-p30, NC)
bogdanm 13:0645d8841f51 34 *
bogdanm 13:0645d8841f51 35 * @note
bogdanm 13:0645d8841f51 36 * It is only required to specify as many pin variables as is required
bogdanm 13:0645d8841f51 37 * for the bus; the rest will default to NC (not connected)
bogdanm 13:0645d8841f51 38 */
bogdanm 13:0645d8841f51 39 BusIn(PinName p0, PinName p1 = NC, PinName p2 = NC, PinName p3 = NC,
bogdanm 13:0645d8841f51 40 PinName p4 = NC, PinName p5 = NC, PinName p6 = NC, PinName p7 = NC,
bogdanm 13:0645d8841f51 41 PinName p8 = NC, PinName p9 = NC, PinName p10 = NC, PinName p11 = NC,
bogdanm 13:0645d8841f51 42 PinName p12 = NC, PinName p13 = NC, PinName p14 = NC, PinName p15 = NC);
bogdanm 13:0645d8841f51 43
bogdanm 13:0645d8841f51 44 BusIn(PinName pins[16]);
bogdanm 13:0645d8841f51 45
bogdanm 13:0645d8841f51 46 virtual ~BusIn();
bogdanm 13:0645d8841f51 47
bogdanm 13:0645d8841f51 48 /** Read the value of the input bus
bogdanm 13:0645d8841f51 49 *
bogdanm 13:0645d8841f51 50 * @returns
bogdanm 13:0645d8841f51 51 * An integer with each bit corresponding to the value read from the associated DigitalIn pin
bogdanm 13:0645d8841f51 52 */
bogdanm 13:0645d8841f51 53 int read();
mbed_official 160:6870f452afa4 54
mbed_official 160:6870f452afa4 55 /** Set the input pin mode
mbed_official 160:6870f452afa4 56 *
mbed_official 160:6870f452afa4 57 * @param mode PullUp, PullDown, PullNone
mbed_official 160:6870f452afa4 58 */
mbed_official 160:6870f452afa4 59 void mode(PinMode pull);
mbed_official 160:6870f452afa4 60
bogdanm 13:0645d8841f51 61 #ifdef MBED_OPERATORS
bogdanm 13:0645d8841f51 62 /** A shorthand for read()
bogdanm 13:0645d8841f51 63 */
bogdanm 13:0645d8841f51 64 operator int();
bogdanm 13:0645d8841f51 65 #endif
bogdanm 13:0645d8841f51 66
bogdanm 13:0645d8841f51 67 protected:
bogdanm 13:0645d8841f51 68 DigitalIn* _pin[16];
bogdanm 13:0645d8841f51 69 };
bogdanm 13:0645d8841f51 70
bogdanm 13:0645d8841f51 71 } // namespace mbed
bogdanm 13:0645d8841f51 72
bogdanm 13:0645d8841f51 73 #endif