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atokoatoko
committedSep 3, 2015
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‎README.md

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11
# Arduino-Dice-Board
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Arduino Dice Switchboard
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Description
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------------
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Dice board software for use with the TM1637 7-Segment Display and the Arduino Uno. Rolls the selected dice based on the switch and displays it on screen. This uses external libraries to handle the display module.
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Installation
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------------
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If using the arduino IDE:
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Copy TM1637-master to your arduino libraries, make sure that it appears as a contributed library
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On the circuit board:
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Set up the display CLK & DIO to pins 8 & 9, respectively.
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Wire inputs to digital pins 2 through 7.
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Schematic
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------------
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Coming Soon
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Usage
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-------------
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Pressing a switch will display the selected dice on screen. Releasing the switch will then display a random number based on the selection.
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Thanks to avishorp for the great [library](https://github.com/avishorp/TM1637) they provided for the TM1637.

‎TM1637-master/LICENSE

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GNU LESSER GENERAL PUBLIC LICENSE
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Version 3, 29 June 2007
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Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
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Everyone is permitted to copy and distribute verbatim copies
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of this license document, but changing it is not allowed.
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This version of the GNU Lesser General Public License incorporates
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the terms and conditions of version 3 of the GNU General Public
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License, supplemented by the additional permissions listed below.
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0. Additional Definitions.
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As used herein, "this License" refers to version 3 of the GNU Lesser
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General Public License, and the "GNU GPL" refers to version 3 of the GNU
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General Public License.
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"The Library" refers to a covered work governed by this License,
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other than an Application or a Combined Work as defined below.
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An "Application" is any work that makes use of an interface provided
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by the Library, but which is not otherwise based on the Library.
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Defining a subclass of a class defined by the Library is deemed a mode
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of using an interface provided by the Library.
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A "Combined Work" is a work produced by combining or linking an
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Application with the Library. The particular version of the Library
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with which the Combined Work was made is also called the "Linked
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Version".
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The "Minimal Corresponding Source" for a Combined Work means the
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Corresponding Source for the Combined Work, excluding any source code
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for portions of the Combined Work that, considered in isolation, are
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based on the Application, and not on the Linked Version.
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The "Corresponding Application Code" for a Combined Work means the
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object code and/or source code for the Application, including any data
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and utility programs needed for reproducing the Combined Work from the
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Application, but excluding the System Libraries of the Combined Work.
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1. Exception to Section 3 of the GNU GPL.
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You may convey a covered work under sections 3 and 4 of this License
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without being bound by section 3 of the GNU GPL.
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2. Conveying Modified Versions.
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If you modify a copy of the Library, and, in your modifications, a
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facility refers to a function or data to be supplied by an Application
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that uses the facility (other than as an argument passed when the
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facility is invoked), then you may convey a copy of the modified
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version:
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a) under this License, provided that you make a good faith effort to
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ensure that, in the event an Application does not supply the
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function or data, the facility still operates, and performs
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whatever part of its purpose remains meaningful, or
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b) under the GNU GPL, with none of the additional permissions of
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this License applicable to that copy.
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3. Object Code Incorporating Material from Library Header Files.
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The object code form of an Application may incorporate material from
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a header file that is part of the Library. You may convey such object
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Library is used in it and that the Library and its use are
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4. Combined Works.
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You may convey a Combined Work under terms of your choice that,
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engineering for debugging such modifications, if you also do each of
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a) Give prominent notice with each copy of the Combined Work that
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the Library is used in it and that the Library and its use are
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d) Do one of the following:
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0) Convey the Minimal Corresponding Source under the terms of this
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License, and the Corresponding Application Code in a form
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suitable for, and under terms that permit, the user to
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recombine or relink the Application with a modified version of
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the Linked Version to produce a modified Combined Work, in the
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manner specified by section 6 of the GNU GPL for conveying
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Corresponding Source.
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1) Use a suitable shared library mechanism for linking with the
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Library. A suitable mechanism is one that (a) uses at run time
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a copy of the Library already present on the user's computer
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system, and (b) will operate properly with a modified version
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of the Library that is interface-compatible with the Linked
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Version.
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e) Provide Installation Information, but only if you would otherwise
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be required to provide such information under section 6 of the
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GNU GPL, and only to the extent that such information is
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necessary to install and execute a modified version of the
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Combined Work produced by recombining or relinking the
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Application with a modified version of the Linked Version. (If
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you use option 4d0, the Installation Information must accompany
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the Minimal Corresponding Source and Corresponding Application
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Code. If you use option 4d1, you must provide the Installation
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Information in the manner specified by section 6 of the GNU GPL
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for conveying Corresponding Source.)
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5. Combined Libraries.
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You may place library facilities that are a work based on the
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Library side by side in a single library together with other library
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facilities that are not Applications and are not covered by this
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License, and convey such a combined library under terms of your
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choice, if you do both of the following:
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a) Accompany the combined library with a copy of the same work based
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on the Library, uncombined with any other library facilities,
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conveyed under the terms of this License.
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b) Give prominent notice with the combined library that part of it
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is a work based on the Library, and explaining where to find the
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accompanying uncombined form of the same work.
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6. Revised Versions of the GNU Lesser General Public License.
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The Free Software Foundation may publish revised and/or new versions
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of the GNU Lesser General Public License from time to time. Such new
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versions will be similar in spirit to the present version, but may
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differ in detail to address new problems or concerns.
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Each version is given a distinguishing version number. If the
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Library as you received it specifies that a certain numbered version
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of the GNU Lesser General Public License "or any later version"
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applies to it, you have the option of following the terms and
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conditions either of that published version or of any later version
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published by the Free Software Foundation. If the Library as you
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received it does not specify a version number of the GNU Lesser
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General Public License, you may choose any version of the GNU Lesser
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General Public License ever published by the Free Software Foundation.
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If the Library as you received it specifies that a proxy can decide
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whether future versions of the GNU Lesser General Public License shall
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apply, that proxy's public statement of acceptance of any version is
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permanent authorization for you to choose that version for the
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Library.

‎TM1637-master/README.md

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TM1637
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======
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Arduino library for TM1637 (LED Driver)
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Description
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-----------
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An Arduino library for 7-segment display modules based on the TM1637 chip, such as Seeed Studio's [Grove 4 digit display](http://www.seeedstudio.com/depot/grove-4digit-display-p-1198.html). The TM1637 chip also has keyboard input capability, but it's not implemented in this library.
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Hardware Connection
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-------------------
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The display modules has two signal connection (and two power connections) which are CLK and DIO. These pins can be connected to any pair of digital pins on the Arduino. When an object is created, the pins should be configured. There is no limitaion on the number of instances used concurrently (as long as each instance has a pin pair of its own)
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Installation
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------------
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The library is installed as any Arduino library, by copying the files into a directory on the library search path of the Arduino IDE
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Usage
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-----
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The library provides a single class named TM1637Display. An instance of this class provides the following functions:
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* `setSegments` - Sets the raw value of the segments of each digit
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* `showNumberDec` - Displays a decimal number
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* `setBrightness` - Sets the brightness of the display
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The information given above is only a summary. Please refer to TM1637Display.h for more information. An example is included, demonstarting the operation of most of the functions.
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‎TM1637-master/TM1637Display.cpp

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// Author: avishorp@gmail.com
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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extern "C" {
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#include <stdlib.h>
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#include <string.h>
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#include <inttypes.h>
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}
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#include <TM1637Display.h>
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#include <Arduino.h>
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#define TM1637_I2C_COMM1 0x40
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#define TM1637_I2C_COMM2 0xC0
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#define TM1637_I2C_COMM3 0x80
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//
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// A
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// ---
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// F | | B
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// -G-
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// E | | C
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// ---
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// D
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const uint8_t digitToSegment[] = {
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// XGFEDCBA
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0b00111111, // 0
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0b00000110, // 1
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0b01011011, // 2
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0b01001111, // 3
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0b01100110, // 4
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0b01101101, // 5
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0b01111101, // 6
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0b00000111, // 7
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0b01111111, // 8
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0b01101111, // 9
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0b01110111, // A
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0b01111100, // b
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0b00111001, // C
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0b01011110, // d
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0b01111001, // E
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0b01110001 // F
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};
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TM1637Display::TM1637Display(uint8_t pinClk, uint8_t pinDIO)
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{
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// Copy the pin numbers
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m_pinClk = pinClk;
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m_pinDIO = pinDIO;
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// Set the pin direction and default value.
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// Both pins are set as inputs, allowing the pull-up resistors to pull them up
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pinMode(m_pinClk, INPUT);
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pinMode(m_pinDIO,INPUT);
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digitalWrite(m_pinClk, LOW);
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digitalWrite(m_pinDIO, LOW);
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}
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void TM1637Display::setBrightness(uint8_t brightness)
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{
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m_brightness = brightness;
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}
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void TM1637Display::setSegments(const uint8_t segments[], uint8_t length, uint8_t pos)
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{
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// Write COMM1
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start();
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writeByte(TM1637_I2C_COMM1);
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stop();
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// Write COMM2 + first digit address
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start();
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writeByte(TM1637_I2C_COMM2 + (pos & 0x03));
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// Write the data bytes
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for (uint8_t k=0; k < length; k++)
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writeByte(segments[k]);
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stop();
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// Write COMM3 + brightness
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start();
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writeByte(TM1637_I2C_COMM3 + (m_brightness & 0x0f));
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stop();
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}
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void TM1637Display::showNumberDec(int num, bool leading_zero, uint8_t length, uint8_t pos)
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{
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uint8_t digits[4];
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const static int divisors[] = { 1, 10, 100, 1000 };
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bool leading = true;
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for(int8_t k = 0; k < 4; k++) {
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int divisor = divisors[4 - 1 - k];
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int d = num / divisor;
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if (d == 0) {
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if (leading_zero || !leading || (k == 3))
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digits[k] = encodeDigit(d);
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else
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digits[k] = 0;
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}
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else {
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digits[k] = encodeDigit(d);
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num -= d * divisor;
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leading = false;
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}
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}
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setSegments(digits + (4 - length), length, pos);
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}
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void TM1637Display::bitDelay()
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{
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delayMicroseconds(50);
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}
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void TM1637Display::start()
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{
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pinMode(m_pinDIO, OUTPUT);
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bitDelay();
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}
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void TM1637Display::stop()
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{
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pinMode(m_pinDIO, OUTPUT);
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bitDelay();
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pinMode(m_pinClk, INPUT);
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bitDelay();
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pinMode(m_pinDIO, INPUT);
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bitDelay();
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}
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bool TM1637Display::writeByte(uint8_t b)
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{
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uint8_t data = b;
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// 8 Data Bits
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for(uint8_t i = 0; i < 8; i++) {
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// CLK low
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pinMode(m_pinClk, OUTPUT);
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bitDelay();
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// Set data bit
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if (data & 0x01)
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pinMode(m_pinDIO, INPUT);
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else
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pinMode(m_pinDIO, OUTPUT);
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bitDelay();
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// CLK high
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pinMode(m_pinClk, INPUT);
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bitDelay();
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data = data >> 1;
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}
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// Wait for acknowledge
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// CLK to zero
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pinMode(m_pinClk, OUTPUT);
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pinMode(m_pinDIO, INPUT);
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bitDelay();
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// CLK to high
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pinMode(m_pinClk, INPUT);
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bitDelay();
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uint8_t ack = digitalRead(m_pinDIO);
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if (ack == 0)
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pinMode(m_pinDIO, OUTPUT);
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bitDelay();
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pinMode(m_pinClk, OUTPUT);
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bitDelay();
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return ack;
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}
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uint8_t TM1637Display::encodeDigit(uint8_t digit)
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{
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return digitToSegment[digit & 0x0f];
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}
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‎TM1637-master/TM1637Display.h

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// Author: avishorp@gmail.com
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#ifndef __TM1637DISPLAY__
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#define __TM1637DISPLAY__
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#include <inttypes.h>
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#define SEG_A 0b00000001
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#define SEG_B 0b00000010
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#define SEG_C 0b00000100
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#define SEG_D 0b00001000
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#define SEG_E 0b00010000
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#define SEG_F 0b00100000
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#define SEG_G 0b01000000
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class TM1637Display {
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public:
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//! Initialize a TM1637Display object, setting the clock and
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//! data pins.
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//!
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//! @param pinClk - The number of the digital pin connected to the clock pin of the module
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//! @param pinDIO - The number of the digital pin connected to the DIO pin of the module
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TM1637Display(uint8_t pinClk, uint8_t pinDIO);
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//! Sets the brightness of the display.
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//!
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//! The setting takes effect when a command is given to change the data being
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//! displayed.
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//!
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//! @param brightness A number from 0 (lowes brightness) to 7 (highest brightness)
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void setBrightness(uint8_t brightness);
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//! Display arbitrary data on the module
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//!
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//! This function receives raw segment values as input and displays them. The segment data
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//! is given as a byte array, each byte corresponding to a single digit. Within each byte,
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//! bit 0 is segment A, bit 1 is segment B etc.
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//! The function may either set the entire display or any desirable part on its own. The first
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//! digit is given by the @ref pos argument with 0 being the leftmost digit. The @ref length
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//! argument is the number of digits to be set. Other digits are not affected.
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//!
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//! @param segments An array of size @ref length containing the raw segment values
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//! @param length The number of digits to be modified
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//! @param pos The position from which to start the modification (0 - leftmost, 3 - rightmost)
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void setSegments(const uint8_t segments[], uint8_t length = 4, uint8_t pos = 0);
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//! Displayes a decimal number
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//!
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//! Dispalyes the given argument as a decimal number
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//!
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//! @param num The number to be shown
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//! @param leading_zero When true, leading zeros are displayed. Otherwise unnecessary digits are
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//! blank
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//! @param length The number of digits to set. The user must ensure that the number to be shown
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//! fits to the number of digits requested (for example, if two digits are to be displayed,
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//! the number must be between 0 to 99)
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//! @param pos The position least significant digit (0 - leftmost, 3 - rightmost)
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void showNumberDec(int num, bool leading_zero = false, uint8_t length = 4, uint8_t pos = 0);
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//! Translate a single digit into 7 segment code
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//!
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//! The method accepts a number between 0 - 15 and converts it to the
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//! code required to display the number on a 7 segment display.
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//! Numbers between 10-15 are converted to hexadecimal digits (A-F)
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//!
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//! @param digit A number between 0 to 15
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//! @return A code representing the 7 segment image of the digit (LSB - segment A;
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//! bit 6 - segment G; bit 7 - always zero)
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uint8_t encodeDigit(uint8_t digit);
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protected:
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void bitDelay();
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void start();
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void stop();
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bool writeByte(uint8_t b);
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private:
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uint8_t m_pinClk;
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uint8_t m_pinDIO;
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uint8_t m_brightness;
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};
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#endif // __TM1637DISPLAY__

‎TM1637-master/examples/TM1637Test/TM1637Test.ino

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#include <Arduino.h>
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#include <TM1637Display.h>
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// Module connection pins (Digital Pins)
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#define CLK 2
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#define DIO 3
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// The amount of time (in milliseconds) between tests
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#define TEST_DELAY 2000
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const uint8_t SEG_DONE[] = {
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SEG_B | SEG_C | SEG_D | SEG_E | SEG_G, // d
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SEG_A | SEG_B | SEG_C | SEG_D | SEG_E | SEG_F, // O
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SEG_C | SEG_E | SEG_G, // n
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SEG_A | SEG_D | SEG_E | SEG_F | SEG_G // E
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};
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TM1637Display display(CLK, DIO);
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void setup()
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{
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}
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void loop()
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{
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int k;
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uint8_t data[] = { 0xff, 0xff, 0xff, 0xff };
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display.setBrightness(0x0f);
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// All segments on
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display.setSegments(data);
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delay(TEST_DELAY);
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// Selectively set different digits
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data[0] = 0b01001001;
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data[1] = display.encodeDigit(1);
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data[2] = display.encodeDigit(2);
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data[3] = display.encodeDigit(3);
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for(k = 3; k >= 0; k--) {
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display.setSegments(data, 1, k);
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delay(TEST_DELAY);
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}
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display.setSegments(data+2, 2, 2);
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delay(TEST_DELAY);
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display.setSegments(data+2, 2, 1);
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delay(TEST_DELAY);
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display.setSegments(data+1, 3, 1);
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delay(TEST_DELAY);
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// Show decimal numbers with/without leading zeros
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bool lz = false;
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for (uint8_t z = 0; z < 2; z++) {
58+
for(k = 0; k < 10000; k += k*4 + 7) {
59+
display.showNumberDec(k, lz);
60+
delay(TEST_DELAY);
61+
}
62+
lz = true;
63+
}
64+
65+
// Show decimal number whose length is smaller than 4
66+
for(k = 0; k < 4; k++)
67+
data[k] = 0;
68+
display.setSegments(data);
69+
70+
display.showNumberDec(153, false, 3, 1);
71+
delay(TEST_DELAY);
72+
display.showNumberDec(22, false, 2, 2);
73+
delay(TEST_DELAY);
74+
display.showNumberDec(0, true, 1, 3);
75+
delay(TEST_DELAY);
76+
display.showNumberDec(0, true, 1, 2);
77+
delay(TEST_DELAY);
78+
display.showNumberDec(0, true, 1, 1);
79+
delay(TEST_DELAY);
80+
display.showNumberDec(0, true, 1, 0);
81+
delay(TEST_DELAY);
82+
83+
// Brightness Test
84+
for(k = 0; k < 4; k++)
85+
data[k] = 0xff;
86+
for(k = 0; k < 16; k++) {
87+
display.setBrightness(k);
88+
display.setSegments(data);
89+
delay(TEST_DELAY);
90+
}
91+
92+
// Done!
93+
display.setSegments(SEG_DONE);
94+
95+
while(1);
96+
}

‎main.ino

+109
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,109 @@
1+
#include <TM1637Display.h>
2+
3+
#define PINDTWENTY 7
4+
#define PINDTWELVE 6
5+
#define PINDTEN 5
6+
#define PINDEIGHT 4
7+
#define PINDSIX 3
8+
#define PINDTFOUR 2
9+
10+
#define PINCLK 9
11+
#define PINDIO 8
12+
13+
#define NO_SELECTION 0
14+
#define SWITCH_DEFAULT -1
15+
16+
TM1637Display Display;
17+
int Selected;
18+
19+
const uint8_t LetterD[] = {
20+
0b01011110
21+
};
22+
const uint8_t LoadingFrames[] = {
23+
SEG_F,
24+
SEG_A,
25+
SEG_B,
26+
SEG_C,
27+
SEG_D,
28+
SEG_E
29+
};
30+
const uint8_t BlankScreen[] = {
31+
0x00,
32+
0x00,
33+
0x00,
34+
0x00
35+
};
36+
37+
void setup()
38+
{
39+
Display = new TM1637Display(PINCLK, PINDIO)
40+
Display.setBrightness(0x0f);
41+
clearScreen();
42+
43+
Selected = NO_SELECTION;
44+
45+
randomSeed(analogRead(0));
46+
}
47+
48+
void loop()
49+
{
50+
requestAnimationFrame(millis());
51+
}
52+
void requestAnimationFrame(long mtime)
53+
{
54+
int currentDice = getSelectedDice();
55+
56+
//Switch status same as last frame
57+
if (currentDice == Selected)
58+
{
59+
Display.setSegments(LetterD + 0, 1, 0);
60+
Display.showNumberDec(Selected, false, (Selected > 9) ? 2 : 1, 1);
61+
loadingIndicator(mtime);
62+
}
63+
//Switch status changed
64+
else if (currentDice != SWITCH_DEFAULT)
65+
{
66+
clearScreen();
67+
Selected = currentDice;
68+
}
69+
//Switch released and selection was made
70+
else if (Selected > NO_SELECTION)
71+
{
72+
Display.showNumberDec(random(Selected) + 1, false, 4);
73+
Selected = NO_SELECTION;
74+
}
75+
}
76+
int getSelectedDice()
77+
{
78+
int dice = checkAndRoll(PINDTWENTY, 20);
79+
dice = dice == SWITCH_DEFAULT ? checkAndRoll(PINDTWELVE, 12) : dice;
80+
dice = dice == SWITCH_DEFAULT ? checkAndRoll(PINDTEN, 10) : dice;
81+
dice = dice == SWITCH_DEFAULT ? checkAndRoll(PINDEIGHT, 8) : dice;
82+
dice = dice == SWITCH_DEFAULT ? checkAndRoll(PINDSIX, 6) : dice;
83+
dice = dice == SWITCH_DEFAULT ? checkAndRoll(PINDFOUR, 4) : dice;
84+
85+
return current;
86+
}
87+
int checkAndRoll(int pin, int range)
88+
{
89+
int switchState = digitalRead(pin);
90+
if (switchState == HIGH)
91+
{
92+
return range;
93+
}
94+
95+
return SWITCH_DEFAULT;
96+
}
97+
98+
void clearScreen()
99+
{
100+
Display.setSegments(BlankScreen + 0);
101+
}
102+
void loadingIndicator(long mtime)
103+
{
104+
int frame = (mtime / (1000 / 30)) % 6;
105+
Display.setSegments(LoadingFrames + frame, 1, 3);
106+
}
107+
108+
109+

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