Emir Sokic / mbedPAI Featured

mbed.h verzija za koristenje na predmetu PAI

BusIn.h@0:05aad811ea07, 2015-03-10 (annotated)

Committer:
esokic
Date:
Tue Mar 10 09:51:52 2015 +0000
Revision:
0:05aad811ea07
mbed.h verzija od marta 2014, za koristenje na predmetu PAI

Who changed what in which revision?

UserRevisionLine numberNew contents of line
esokic 0:05aad811ea07 1 /* mbed Microcontroller Library
esokic 0:05aad811ea07 2 * Copyright (c) 2006-2013 ARM Limited
esokic 0:05aad811ea07 3 *
esokic 0:05aad811ea07 4 * Licensed under the Apache License, Version 2.0 (the "License");
esokic 0:05aad811ea07 5 * you may not use this file except in compliance with the License.
esokic 0:05aad811ea07 6 * You may obtain a copy of the License at
esokic 0:05aad811ea07 7 *
esokic 0:05aad811ea07 8 * http://www.apache.org/licenses/LICENSE-2.0
esokic 0:05aad811ea07 9 *
esokic 0:05aad811ea07 10 * Unless required by applicable law or agreed to in writing, software
esokic 0:05aad811ea07 11 * distributed under the License is distributed on an "AS IS" BASIS,
esokic 0:05aad811ea07 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
esokic 0:05aad811ea07 13 * See the License for the specific language governing permissions and
esokic 0:05aad811ea07 14 * limitations under the License.
esokic 0:05aad811ea07 15 */
esokic 0:05aad811ea07 16 #ifndef MBED_BUSIN_H
esokic 0:05aad811ea07 17 #define MBED_BUSIN_H
esokic 0:05aad811ea07 18
esokic 0:05aad811ea07 19 #include "platform.h"
esokic 0:05aad811ea07 20 #include "DigitalIn.h"
esokic 0:05aad811ea07 21
esokic 0:05aad811ea07 22 namespace mbed {
esokic 0:05aad811ea07 23
esokic 0:05aad811ea07 24 /** A digital input bus, used for reading the state of a collection of pins
esokic 0:05aad811ea07 25 */
esokic 0:05aad811ea07 26 class BusIn {
esokic 0:05aad811ea07 27
esokic 0:05aad811ea07 28 public:
esokic 0:05aad811ea07 29 /* Group: Configuration Methods */
esokic 0:05aad811ea07 30
esokic 0:05aad811ea07 31 /** Create an BusIn, connected to the specified pins
esokic 0:05aad811ea07 32 *
esokic 0:05aad811ea07 33 * @param <n> DigitalIn pin to connect to bus bit <n> (p5-p30, NC)
esokic 0:05aad811ea07 34 *
esokic 0:05aad811ea07 35 * @note
esokic 0:05aad811ea07 36 * It is only required to specify as many pin variables as is required
esokic 0:05aad811ea07 37 * for the bus; the rest will default to NC (not connected)
esokic 0:05aad811ea07 38 */
esokic 0:05aad811ea07 39 BusIn(PinName p0, PinName p1 = NC, PinName p2 = NC, PinName p3 = NC,
esokic 0:05aad811ea07 40 PinName p4 = NC, PinName p5 = NC, PinName p6 = NC, PinName p7 = NC,
esokic 0:05aad811ea07 41 PinName p8 = NC, PinName p9 = NC, PinName p10 = NC, PinName p11 = NC,
esokic 0:05aad811ea07 42 PinName p12 = NC, PinName p13 = NC, PinName p14 = NC, PinName p15 = NC);
esokic 0:05aad811ea07 43
esokic 0:05aad811ea07 44 BusIn(PinName pins[16]);
esokic 0:05aad811ea07 45
esokic 0:05aad811ea07 46 virtual ~BusIn();
esokic 0:05aad811ea07 47
esokic 0:05aad811ea07 48 /** Read the value of the input bus
esokic 0:05aad811ea07 49 *
esokic 0:05aad811ea07 50 * @returns
esokic 0:05aad811ea07 51 * An integer with each bit corresponding to the value read from the associated DigitalIn pin
esokic 0:05aad811ea07 52 */
esokic 0:05aad811ea07 53 int read();
esokic 0:05aad811ea07 54
esokic 0:05aad811ea07 55 /** Set the input pin mode
esokic 0:05aad811ea07 56 *
esokic 0:05aad811ea07 57 * @param mode PullUp, PullDown, PullNone
esokic 0:05aad811ea07 58 */
esokic 0:05aad811ea07 59 void mode(PinMode pull);
esokic 0:05aad811ea07 60
esokic 0:05aad811ea07 61 #ifdef MBED_OPERATORS
esokic 0:05aad811ea07 62 /** A shorthand for read()
esokic 0:05aad811ea07 63 */
esokic 0:05aad811ea07 64 operator int();
esokic 0:05aad811ea07 65 #endif
esokic 0:05aad811ea07 66
esokic 0:05aad811ea07 67 protected:
esokic 0:05aad811ea07 68 DigitalIn* _pin[16];
esokic 0:05aad811ea07 69 };
esokic 0:05aad811ea07 70
esokic 0:05aad811ea07 71 } // namespace mbed
esokic 0:05aad811ea07 72
esokic 0:05aad811ea07 73 #endif