Emir Sokic / mbedPAI Featured

mbed.h verzija za koristenje na predmetu PAI

BusInOut.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_BUSINOUT_H
esokic 0:05aad811ea07 17 #define MBED_BUSINOUT_H
esokic 0:05aad811ea07 18
esokic 0:05aad811ea07 19 #include "DigitalInOut.h"
esokic 0:05aad811ea07 20
esokic 0:05aad811ea07 21 namespace mbed {
esokic 0:05aad811ea07 22
esokic 0:05aad811ea07 23 /** A digital input output bus, used for setting the state of a collection of pins
esokic 0:05aad811ea07 24 */
esokic 0:05aad811ea07 25 class BusInOut {
esokic 0:05aad811ea07 26
esokic 0:05aad811ea07 27 public:
esokic 0:05aad811ea07 28
esokic 0:05aad811ea07 29 /** Create an BusInOut, connected to the specified pins
esokic 0:05aad811ea07 30 *
esokic 0:05aad811ea07 31 * @param p<n> DigitalInOut pin to connect to bus bit p<n> (p5-p30, NC)
esokic 0:05aad811ea07 32 *
esokic 0:05aad811ea07 33 * @note
esokic 0:05aad811ea07 34 * It is only required to specify as many pin variables as is required
esokic 0:05aad811ea07 35 * for the bus; the rest will default to NC (not connected)
esokic 0:05aad811ea07 36 */
esokic 0:05aad811ea07 37 BusInOut(PinName p0, PinName p1 = NC, PinName p2 = NC, PinName p3 = NC,
esokic 0:05aad811ea07 38 PinName p4 = NC, PinName p5 = NC, PinName p6 = NC, PinName p7 = NC,
esokic 0:05aad811ea07 39 PinName p8 = NC, PinName p9 = NC, PinName p10 = NC, PinName p11 = NC,
esokic 0:05aad811ea07 40 PinName p12 = NC, PinName p13 = NC, PinName p14 = NC, PinName p15 = NC);
esokic 0:05aad811ea07 41
esokic 0:05aad811ea07 42 BusInOut(PinName pins[16]);
esokic 0:05aad811ea07 43
esokic 0:05aad811ea07 44 virtual ~BusInOut();
esokic 0:05aad811ea07 45
esokic 0:05aad811ea07 46 /* Group: Access Methods */
esokic 0:05aad811ea07 47
esokic 0:05aad811ea07 48 /** Write the value to the output bus
esokic 0:05aad811ea07 49 *
esokic 0:05aad811ea07 50 * @param value An integer specifying a bit to write for every corresponding DigitalInOut pin
esokic 0:05aad811ea07 51 */
esokic 0:05aad811ea07 52 void write(int value);
esokic 0:05aad811ea07 53
esokic 0:05aad811ea07 54
esokic 0:05aad811ea07 55 /** Read the value currently output on the bus
esokic 0:05aad811ea07 56 *
esokic 0:05aad811ea07 57 * @returns
esokic 0:05aad811ea07 58 * An integer with each bit corresponding to associated DigitalInOut pin setting
esokic 0:05aad811ea07 59 */
esokic 0:05aad811ea07 60 int read();
esokic 0:05aad811ea07 61
esokic 0:05aad811ea07 62 /** Set as an output
esokic 0:05aad811ea07 63 */
esokic 0:05aad811ea07 64 void output();
esokic 0:05aad811ea07 65
esokic 0:05aad811ea07 66 /** Set as an input
esokic 0:05aad811ea07 67 */
esokic 0:05aad811ea07 68 void input();
esokic 0:05aad811ea07 69
esokic 0:05aad811ea07 70 /** Set the input pin mode
esokic 0:05aad811ea07 71 *
esokic 0:05aad811ea07 72 * @param mode PullUp, PullDown, PullNone
esokic 0:05aad811ea07 73 */
esokic 0:05aad811ea07 74 void mode(PinMode pull);
esokic 0:05aad811ea07 75
esokic 0:05aad811ea07 76 #ifdef MBED_OPERATORS
esokic 0:05aad811ea07 77 /** A shorthand for write()
esokic 0:05aad811ea07 78 */
esokic 0:05aad811ea07 79 BusInOut& operator= (int v);
esokic 0:05aad811ea07 80 BusInOut& operator= (BusInOut& rhs);
esokic 0:05aad811ea07 81
esokic 0:05aad811ea07 82 /** A shorthand for read()
esokic 0:05aad811ea07 83 */
esokic 0:05aad811ea07 84 operator int();
esokic 0:05aad811ea07 85 #endif
esokic 0:05aad811ea07 86
esokic 0:05aad811ea07 87 protected:
esokic 0:05aad811ea07 88 DigitalInOut* _pin[16];
esokic 0:05aad811ea07 89 };
esokic 0:05aad811ea07 90
esokic 0:05aad811ea07 91 } // namespace mbed
esokic 0:05aad811ea07 92
esokic 0:05aad811ea07 93 #endif