Mark Turner / MarksMbed

This is a repository for all my programs or modified programs.

BusInOut.h@0:72480818e4a9, 2016-09-11 (annotated)

Committer:
mturner5
Date:
Sun Sep 11 23:48:09 2016 +0000
Revision:
0:72480818e4a9
Made delays for the LEDS and button presses

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mturner5 0:72480818e4a9 1 /* mbed Microcontroller Library
mturner5 0:72480818e4a9 2 * Copyright (c) 2006-2013 ARM Limited
mturner5 0:72480818e4a9 3 *
mturner5 0:72480818e4a9 4 * Licensed under the Apache License, Version 2.0 (the "License");
mturner5 0:72480818e4a9 5 * you may not use this file except in compliance with the License.
mturner5 0:72480818e4a9 6 * You may obtain a copy of the License at
mturner5 0:72480818e4a9 7 *
mturner5 0:72480818e4a9 8 * http://www.apache.org/licenses/LICENSE-2.0
mturner5 0:72480818e4a9 9 *
mturner5 0:72480818e4a9 10 * Unless required by applicable law or agreed to in writing, software
mturner5 0:72480818e4a9 11 * distributed under the License is distributed on an "AS IS" BASIS,
mturner5 0:72480818e4a9 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mturner5 0:72480818e4a9 13 * See the License for the specific language governing permissions and
mturner5 0:72480818e4a9 14 * limitations under the License.
mturner5 0:72480818e4a9 15 */
mturner5 0:72480818e4a9 16 #ifndef MBED_BUSINOUT_H
mturner5 0:72480818e4a9 17 #define MBED_BUSINOUT_H
mturner5 0:72480818e4a9 18
mturner5 0:72480818e4a9 19 #include "DigitalInOut.h"
mturner5 0:72480818e4a9 20
mturner5 0:72480818e4a9 21 namespace mbed {
mturner5 0:72480818e4a9 22
mturner5 0:72480818e4a9 23 /** A digital input output bus, used for setting the state of a collection of pins
mturner5 0:72480818e4a9 24 */
mturner5 0:72480818e4a9 25 class BusInOut {
mturner5 0:72480818e4a9 26
mturner5 0:72480818e4a9 27 public:
mturner5 0:72480818e4a9 28
mturner5 0:72480818e4a9 29 /** Create an BusInOut, connected to the specified pins
mturner5 0:72480818e4a9 30 *
mturner5 0:72480818e4a9 31 * @param p<n> DigitalInOut pin to connect to bus bit p<n> (p5-p30, NC)
mturner5 0:72480818e4a9 32 *
mturner5 0:72480818e4a9 33 * @note
mturner5 0:72480818e4a9 34 * It is only required to specify as many pin variables as is required
mturner5 0:72480818e4a9 35 * for the bus; the rest will default to NC (not connected)
mturner5 0:72480818e4a9 36 */
mturner5 0:72480818e4a9 37 BusInOut(PinName p0, PinName p1 = NC, PinName p2 = NC, PinName p3 = NC,
mturner5 0:72480818e4a9 38 PinName p4 = NC, PinName p5 = NC, PinName p6 = NC, PinName p7 = NC,
mturner5 0:72480818e4a9 39 PinName p8 = NC, PinName p9 = NC, PinName p10 = NC, PinName p11 = NC,
mturner5 0:72480818e4a9 40 PinName p12 = NC, PinName p13 = NC, PinName p14 = NC, PinName p15 = NC);
mturner5 0:72480818e4a9 41
mturner5 0:72480818e4a9 42 BusInOut(PinName pins[16]);
mturner5 0:72480818e4a9 43
mturner5 0:72480818e4a9 44 virtual ~BusInOut();
mturner5 0:72480818e4a9 45
mturner5 0:72480818e4a9 46 /* Group: Access Methods */
mturner5 0:72480818e4a9 47
mturner5 0:72480818e4a9 48 /** Write the value to the output bus
mturner5 0:72480818e4a9 49 *
mturner5 0:72480818e4a9 50 * @param value An integer specifying a bit to write for every corresponding DigitalInOut pin
mturner5 0:72480818e4a9 51 */
mturner5 0:72480818e4a9 52 void write(int value);
mturner5 0:72480818e4a9 53
mturner5 0:72480818e4a9 54
mturner5 0:72480818e4a9 55 /** Read the value currently output on the bus
mturner5 0:72480818e4a9 56 *
mturner5 0:72480818e4a9 57 * @returns
mturner5 0:72480818e4a9 58 * An integer with each bit corresponding to associated DigitalInOut pin setting
mturner5 0:72480818e4a9 59 */
mturner5 0:72480818e4a9 60 int read();
mturner5 0:72480818e4a9 61
mturner5 0:72480818e4a9 62 /** Set as an output
mturner5 0:72480818e4a9 63 */
mturner5 0:72480818e4a9 64 void output();
mturner5 0:72480818e4a9 65
mturner5 0:72480818e4a9 66 /** Set as an input
mturner5 0:72480818e4a9 67 */
mturner5 0:72480818e4a9 68 void input();
mturner5 0:72480818e4a9 69
mturner5 0:72480818e4a9 70 /** Set the input pin mode
mturner5 0:72480818e4a9 71 *
mturner5 0:72480818e4a9 72 * @param mode PullUp, PullDown, PullNone
mturner5 0:72480818e4a9 73 */
mturner5 0:72480818e4a9 74 void mode(PinMode pull);
mturner5 0:72480818e4a9 75
mturner5 0:72480818e4a9 76 #ifdef MBED_OPERATORS
mturner5 0:72480818e4a9 77 /** A shorthand for write()
mturner5 0:72480818e4a9 78 */
mturner5 0:72480818e4a9 79 BusInOut& operator= (int v);
mturner5 0:72480818e4a9 80 BusInOut& operator= (BusInOut& rhs);
mturner5 0:72480818e4a9 81
mturner5 0:72480818e4a9 82 /** A shorthand for read()
mturner5 0:72480818e4a9 83 */
mturner5 0:72480818e4a9 84 operator int();
mturner5 0:72480818e4a9 85 #endif
mturner5 0:72480818e4a9 86
mturner5 0:72480818e4a9 87 protected:
mturner5 0:72480818e4a9 88 DigitalInOut* _pin[16];
mturner5 0:72480818e4a9 89
mturner5 0:72480818e4a9 90 /* disallow copy constructor and assignment operators */
mturner5 0:72480818e4a9 91 private:
mturner5 0:72480818e4a9 92 BusInOut(const BusInOut&);
mturner5 0:72480818e4a9 93 BusInOut & operator = (const BusInOut&);
mturner5 0:72480818e4a9 94 };
mturner5 0:72480818e4a9 95
mturner5 0:72480818e4a9 96 } // namespace mbed
mturner5 0:72480818e4a9 97
mturner5 0:72480818e4a9 98 #endif