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| Rev | Author | Line No. | Line |
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| 2 | jlesech | 1 | /**************************************************************************//** |
| 2 | * \brief MAX7219 library for Arduino - Demo program |
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| 3 | * \author Copyright (C) 2011 Julien Le Sech - www.idreammicro.com |
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| 4 | * \version 1.0 |
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| 5 | * \date 20110801 |
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| 6 | * |
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| 7 | * This file is part of the MAX7219 library for Arduino. |
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| 8 | * |
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| 9 | * This library is free software: you can redistribute it and/or modify it under |
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| 10 | * the terms of the GNU Lesser General Public License as published by the Free |
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| 11 | * Software Foundation, either version 3 of the License, or (at your option) any |
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| 12 | * later version. |
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| 13 | * |
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| 14 | * This library is distributed in the hope that it will be useful, but WITHOUT |
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| 15 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
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| 16 | * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more |
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| 17 | * details. |
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| 18 | * |
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| 19 | * You should have received a copy of the GNU Lesser General Public License |
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| 20 | * along with this program. If not, see http://www.gnu.org/licenses/ |
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| 21 | ******************************************************************************/ |
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| 22 | |||
| 23 | /**************************************************************************//** |
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| 4 | jlesech | 24 | * \file MAX7219.ino |
| 2 | jlesech | 25 | ******************************************************************************/ |
| 26 | |||
| 27 | /****************************************************************************** |
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| 28 | * Header file inclusions. |
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| 29 | ******************************************************************************/ |
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| 30 | |||
| 31 | #include <SPI.h> |
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| 32 | |||
| 33 | #include <MAX7219.h> |
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| 34 | |||
| 35 | /****************************************************************************** |
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| 36 | * Private variable declaration. |
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| 37 | ******************************************************************************/ |
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| 38 | |||
| 39 | static MAX7219 max7219(10); |
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| 40 | |||
| 41 | /****************************************************************************** |
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| 42 | * Public function definitions. |
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| 43 | ******************************************************************************/ |
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| 44 | |||
| 45 | /**************************************************************************//** |
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| 46 | * \fn void setup() |
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| 47 | ******************************************************************************/ |
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| 48 | void setup() |
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| 49 | { |
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| 50 | // Initiliaze MAX7219. |
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| 51 | max7219.initialize(); |
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| 52 | // Set scan limit. |
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| 53 | max7219.setScanLimit(MAX7219::ScanLimit_Digit0To7); |
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| 54 | // Set decode mode. |
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| 55 | max7219.setDecodeMode(MAX7219::DecodeMode_AllDigits); |
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| 56 | // Set intensity. |
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| 57 | max7219.setIntensity(MAX7219::Intensity_Level15); |
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| 58 | // Set shutdown mode. |
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| 59 | max7219.setShutdownMode(MAX7219::ShutdownMode_NormalOperation); |
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| 60 | } |
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| 61 | |||
| 62 | /**************************************************************************//** |
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| 63 | * \fn void loop() |
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| 64 | ******************************************************************************/ |
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| 65 | void loop() |
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| 66 | { |
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| 67 | // To write digit values, a loop may be more elegant but a bit more |
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| 68 | // complicated for this example. |
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| 69 | |||
| 70 | // Write digit 0 value. |
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| 71 | max7219.writeDigit(MAX7219::Digit_0, MAX7219::Character_Zero); |
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| 72 | // Write digit 1 value. |
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| 73 | max7219.writeDigit(MAX7219::Digit_1, MAX7219::Character_One); |
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| 74 | // Write digit 2 value. |
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| 75 | max7219.writeDigit(MAX7219::Digit_2, MAX7219::Character_Two); |
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| 76 | // Write digit 3 value. |
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| 77 | max7219.writeDigit(MAX7219::Digit_3, MAX7219::Character_Three); |
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| 78 | // Write digit 4 value. |
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| 79 | max7219.writeDigit(MAX7219::Digit_4, MAX7219::Character_Four); |
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| 80 | // Write digit 5 value. |
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| 81 | max7219.writeDigit(MAX7219::Digit_5, MAX7219::Character_Five); |
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| 82 | // Write digit 6 value. |
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| 83 | max7219.writeDigit(MAX7219::Digit_6, MAX7219::Character_Six); |
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| 84 | // Write digit 7 value. |
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| 85 | max7219.writeDigit(MAX7219::Digit_7, MAX7219::Character_Seven); |
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| 86 | |||
| 87 | // Wait a little before next loop. |
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| 88 | delay(1000); |
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| 89 | } |