This is a repository for all my programs or modified programs.
BusOut.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?
User | Revision | Line number | New 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_BUSOUT_H |
mturner5 | 0:72480818e4a9 | 17 | #define MBED_BUSOUT_H |
mturner5 | 0:72480818e4a9 | 18 | |
mturner5 | 0:72480818e4a9 | 19 | #include "DigitalOut.h" |
mturner5 | 0:72480818e4a9 | 20 | |
mturner5 | 0:72480818e4a9 | 21 | namespace mbed { |
mturner5 | 0:72480818e4a9 | 22 | |
mturner5 | 0:72480818e4a9 | 23 | /** A digital output bus, used for setting the state of a collection of pins |
mturner5 | 0:72480818e4a9 | 24 | */ |
mturner5 | 0:72480818e4a9 | 25 | class BusOut { |
mturner5 | 0:72480818e4a9 | 26 | |
mturner5 | 0:72480818e4a9 | 27 | public: |
mturner5 | 0:72480818e4a9 | 28 | |
mturner5 | 0:72480818e4a9 | 29 | /** Create an BusOut, connected to the specified pins |
mturner5 | 0:72480818e4a9 | 30 | * |
mturner5 | 0:72480818e4a9 | 31 | * @param p<n> DigitalOut pin to connect to bus bit <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 | BusOut(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 | BusOut(PinName pins[16]); |
mturner5 | 0:72480818e4a9 | 43 | |
mturner5 | 0:72480818e4a9 | 44 | virtual ~BusOut(); |
mturner5 | 0:72480818e4a9 | 45 | |
mturner5 | 0:72480818e4a9 | 46 | /** Write the value to the output bus |
mturner5 | 0:72480818e4a9 | 47 | * |
mturner5 | 0:72480818e4a9 | 48 | * @param value An integer specifying a bit to write for every corresponding DigitalOut pin |
mturner5 | 0:72480818e4a9 | 49 | */ |
mturner5 | 0:72480818e4a9 | 50 | void write(int value); |
mturner5 | 0:72480818e4a9 | 51 | |
mturner5 | 0:72480818e4a9 | 52 | /** Read the value currently output on the bus |
mturner5 | 0:72480818e4a9 | 53 | * |
mturner5 | 0:72480818e4a9 | 54 | * @returns |
mturner5 | 0:72480818e4a9 | 55 | * An integer with each bit corresponding to associated DigitalOut pin setting |
mturner5 | 0:72480818e4a9 | 56 | */ |
mturner5 | 0:72480818e4a9 | 57 | int read(); |
mturner5 | 0:72480818e4a9 | 58 | |
mturner5 | 0:72480818e4a9 | 59 | #ifdef MBED_OPERATORS |
mturner5 | 0:72480818e4a9 | 60 | /** A shorthand for write() |
mturner5 | 0:72480818e4a9 | 61 | */ |
mturner5 | 0:72480818e4a9 | 62 | BusOut& operator= (int v); |
mturner5 | 0:72480818e4a9 | 63 | BusOut& operator= (BusOut& rhs); |
mturner5 | 0:72480818e4a9 | 64 | |
mturner5 | 0:72480818e4a9 | 65 | /** A shorthand for read() |
mturner5 | 0:72480818e4a9 | 66 | */ |
mturner5 | 0:72480818e4a9 | 67 | operator int(); |
mturner5 | 0:72480818e4a9 | 68 | #endif |
mturner5 | 0:72480818e4a9 | 69 | |
mturner5 | 0:72480818e4a9 | 70 | protected: |
mturner5 | 0:72480818e4a9 | 71 | DigitalOut* _pin[16]; |
mturner5 | 0:72480818e4a9 | 72 | |
mturner5 | 0:72480818e4a9 | 73 | /* disallow copy constructor and assignment operators */ |
mturner5 | 0:72480818e4a9 | 74 | private: |
mturner5 | 0:72480818e4a9 | 75 | BusOut(const BusOut&); |
mturner5 | 0:72480818e4a9 | 76 | BusOut & operator = (const BusOut&); |
mturner5 | 0:72480818e4a9 | 77 | }; |
mturner5 | 0:72480818e4a9 | 78 | |
mturner5 | 0:72480818e4a9 | 79 | } // namespace mbed |
mturner5 | 0:72480818e4a9 | 80 | |
mturner5 | 0:72480818e4a9 | 81 | #endif |