| 1 | /*
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| 2 | SeeedOLED.cpp - SSD130x OLED Driver Library
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| 3 | 2011 Copyright (c) Seeed Technology Inc. All right reserved.
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| 4 |
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| 5 | Author: Visweswara R
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| 6 |
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| 7 | This library is free software; you can redistribute it and/or
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| 8 | modify it under the terms of the GNU Lesser General Public
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| 9 | License as published by the Free Software Foundation; either
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| 10 | version 2.1 of the License, or (at your option) any later version.
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| 11 |
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| 12 | This library is distributed in the hope that it will be useful,
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| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 15 | Lesser General Public License for more details.
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| 16 |
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| 17 | You should have received a copy of the GNU Lesser General Public
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| 18 | License along with this library; if not, write to the Free Software
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| 19 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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| 20 | */
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| 21 |
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| 22 | #include "Wire.h"
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| 23 | #include "SeeedOLED.h"
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| 24 |
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| 25 | #include <avr/pgmspace.h>
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| 26 |
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| 27 | // 8x8 Font ASCII 32 - 127 Implemented
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| 28 | // Users can modify this to support more characters(glyphs)
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| 29 | // BasicFont is placed in code memory.
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| 30 |
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| 31 | // This font be freely used without any restriction(It is placed in public domain)
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| 32 | const unsigned char BasicFont[][8] PROGMEM=
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| 33 | {
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| 34 | {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
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| 35 | {0x00,0x00,0x5F,0x00,0x00,0x00,0x00,0x00},
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| 36 | {0x00,0x00,0x07,0x00,0x07,0x00,0x00,0x00},
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| 37 | {0x00,0x14,0x7F,0x14,0x7F,0x14,0x00,0x00},
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| 38 | {0x00,0x24,0x2A,0x7F,0x2A,0x12,0x00,0x00},
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| 39 | {0x00,0x23,0x13,0x08,0x64,0x62,0x00,0x00},
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| 40 | {0x00,0x36,0x49,0x55,0x22,0x50,0x00,0x00},
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| 41 | {0x00,0x00,0x05,0x03,0x00,0x00,0x00,0x00},
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| 42 | {0x00,0x1C,0x22,0x41,0x00,0x00,0x00,0x00},
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| 43 | {0x00,0x41,0x22,0x1C,0x00,0x00,0x00,0x00},
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| 44 | {0x00,0x08,0x2A,0x1C,0x2A,0x08,0x00,0x00},
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| 45 | {0x00,0x08,0x08,0x3E,0x08,0x08,0x00,0x00},
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| 46 | {0x00,0xA0,0x60,0x00,0x00,0x00,0x00,0x00},
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| 47 | {0x00,0x08,0x08,0x08,0x08,0x08,0x00,0x00},
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| 48 | {0x00,0x60,0x60,0x00,0x00,0x00,0x00,0x00},
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| 49 | {0x00,0x20,0x10,0x08,0x04,0x02,0x00,0x00},
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| 50 | {0x00,0x3E,0x51,0x49,0x45,0x3E,0x00,0x00},
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| 51 | {0x00,0x00,0x42,0x7F,0x40,0x00,0x00,0x00},
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| 52 | {0x00,0x62,0x51,0x49,0x49,0x46,0x00,0x00},
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| 53 | {0x00,0x22,0x41,0x49,0x49,0x36,0x00,0x00},
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| 54 | {0x00,0x18,0x14,0x12,0x7F,0x10,0x00,0x00},
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| 55 | {0x00,0x27,0x45,0x45,0x45,0x39,0x00,0x00},
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| 56 | {0x00,0x3C,0x4A,0x49,0x49,0x30,0x00,0x00},
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| 57 | {0x00,0x01,0x71,0x09,0x05,0x03,0x00,0x00},
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| 58 | {0x00,0x36,0x49,0x49,0x49,0x36,0x00,0x00},
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| 59 | {0x00,0x06,0x49,0x49,0x29,0x1E,0x00,0x00},
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| 60 | {0x00,0x00,0x36,0x36,0x00,0x00,0x00,0x00},
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| 61 | {0x00,0x00,0xAC,0x6C,0x00,0x00,0x00,0x00},
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| 62 | {0x00,0x08,0x14,0x22,0x41,0x00,0x00,0x00},
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| 63 | {0x00,0x14,0x14,0x14,0x14,0x14,0x00,0x00},
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| 64 | {0x00,0x41,0x22,0x14,0x08,0x00,0x00,0x00},
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| 65 | {0x00,0x02,0x01,0x51,0x09,0x06,0x00,0x00},
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| 66 | {0x00,0x32,0x49,0x79,0x41,0x3E,0x00,0x00},
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| 67 | {0x00,0x7E,0x09,0x09,0x09,0x7E,0x00,0x00},
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| 68 | {0x00,0x7F,0x49,0x49,0x49,0x36,0x00,0x00},
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| 69 | {0x00,0x3E,0x41,0x41,0x41,0x22,0x00,0x00},
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| 70 | {0x00,0x7F,0x41,0x41,0x22,0x1C,0x00,0x00},
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| 71 | {0x00,0x7F,0x49,0x49,0x49,0x41,0x00,0x00},
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| 72 | {0x00,0x7F,0x09,0x09,0x09,0x01,0x00,0x00},
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| 73 | {0x00,0x3E,0x41,0x41,0x51,0x72,0x00,0x00},
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| 74 | {0x00,0x7F,0x08,0x08,0x08,0x7F,0x00,0x00},
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| 75 | {0x00,0x41,0x7F,0x41,0x00,0x00,0x00,0x00},
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| 76 | {0x00,0x20,0x40,0x41,0x3F,0x01,0x00,0x00},
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| 77 | {0x00,0x7F,0x08,0x14,0x22,0x41,0x00,0x00},
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| 78 | {0x00,0x7F,0x40,0x40,0x40,0x40,0x00,0x00},
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| 79 | {0x00,0x7F,0x02,0x0C,0x02,0x7F,0x00,0x00},
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| 80 | {0x00,0x7F,0x04,0x08,0x10,0x7F,0x00,0x00},
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| 81 | {0x00,0x3E,0x41,0x41,0x41,0x3E,0x00,0x00},
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| 82 | {0x00,0x7F,0x09,0x09,0x09,0x06,0x00,0x00},
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| 83 | {0x00,0x3E,0x41,0x51,0x21,0x5E,0x00,0x00},
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| 84 | {0x00,0x7F,0x09,0x19,0x29,0x46,0x00,0x00},
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| 85 | {0x00,0x26,0x49,0x49,0x49,0x32,0x00,0x00},
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| 86 | {0x00,0x01,0x01,0x7F,0x01,0x01,0x00,0x00},
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| 87 | {0x00,0x3F,0x40,0x40,0x40,0x3F,0x00,0x00},
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| 88 | {0x00,0x1F,0x20,0x40,0x20,0x1F,0x00,0x00},
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| 89 | {0x00,0x3F,0x40,0x38,0x40,0x3F,0x00,0x00},
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| 90 | {0x00,0x63,0x14,0x08,0x14,0x63,0x00,0x00},
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| 91 | {0x00,0x03,0x04,0x78,0x04,0x03,0x00,0x00},
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| 92 | {0x00,0x61,0x51,0x49,0x45,0x43,0x00,0x00},
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| 93 | {0x00,0x7F,0x41,0x41,0x00,0x00,0x00,0x00},
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| 94 | {0x00,0x02,0x04,0x08,0x10,0x20,0x00,0x00},
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| 95 | {0x00,0x41,0x41,0x7F,0x00,0x00,0x00,0x00},
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| 96 | {0x00,0x04,0x02,0x01,0x02,0x04,0x00,0x00},
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| 97 | {0x00,0x80,0x80,0x80,0x80,0x80,0x00,0x00},
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| 98 | {0x00,0x01,0x02,0x04,0x00,0x00,0x00,0x00},
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| 99 | {0x00,0x20,0x54,0x54,0x54,0x78,0x00,0x00},
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| 100 | {0x00,0x7F,0x48,0x44,0x44,0x38,0x00,0x00},
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| 101 | {0x00,0x38,0x44,0x44,0x28,0x00,0x00,0x00},
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| 102 | {0x00,0x38,0x44,0x44,0x48,0x7F,0x00,0x00},
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| 103 | {0x00,0x38,0x54,0x54,0x54,0x18,0x00,0x00},
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| 104 | {0x00,0x08,0x7E,0x09,0x02,0x00,0x00,0x00},
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| 105 | {0x00,0x18,0xA4,0xA4,0xA4,0x7C,0x00,0x00},
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| 106 | {0x00,0x7F,0x08,0x04,0x04,0x78,0x00,0x00},
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| 107 | {0x00,0x00,0x7D,0x00,0x00,0x00,0x00,0x00},
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| 108 | {0x00,0x80,0x84,0x7D,0x00,0x00,0x00,0x00},
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| 109 | {0x00,0x7F,0x10,0x28,0x44,0x00,0x00,0x00},
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| 110 | {0x00,0x41,0x7F,0x40,0x00,0x00,0x00,0x00},
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| 111 | {0x00,0x7C,0x04,0x18,0x04,0x78,0x00,0x00},
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| 112 | {0x00,0x7C,0x08,0x04,0x7C,0x00,0x00,0x00},
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| 113 | {0x00,0x38,0x44,0x44,0x38,0x00,0x00,0x00},
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| 114 | {0x00,0xFC,0x24,0x24,0x18,0x00,0x00,0x00},
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| 115 | {0x00,0x18,0x24,0x24,0xFC,0x00,0x00,0x00},
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| 116 | {0x00,0x00,0x7C,0x08,0x04,0x00,0x00,0x00},
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| 117 | {0x00,0x48,0x54,0x54,0x24,0x00,0x00,0x00},
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| 118 | {0x00,0x04,0x7F,0x44,0x00,0x00,0x00,0x00},
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| 119 | {0x00,0x3C,0x40,0x40,0x7C,0x00,0x00,0x00},
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| 120 | {0x00,0x1C,0x20,0x40,0x20,0x1C,0x00,0x00},
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| 121 | {0x00,0x3C,0x40,0x30,0x40,0x3C,0x00,0x00},
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| 122 | {0x00,0x44,0x28,0x10,0x28,0x44,0x00,0x00},
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| 123 | {0x00,0x1C,0xA0,0xA0,0x7C,0x00,0x00,0x00},
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| 124 | {0x00,0x44,0x64,0x54,0x4C,0x44,0x00,0x00},
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| 125 | {0x00,0x08,0x36,0x41,0x00,0x00,0x00,0x00},
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| 126 | {0x00,0x00,0x7F,0x00,0x00,0x00,0x00,0x00},
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| 127 | {0x00,0x41,0x36,0x08,0x00,0x00,0x00,0x00},
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| 128 | {0x00,0x02,0x01,0x01,0x02,0x01,0x00,0x00},
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| 129 | {0x00,0x02,0x05,0x05,0x02,0x00,0x00,0x00}
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| 130 | };
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| 131 |
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| 132 | void SeeedOLED::init(void)
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| 133 | {
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| 134 | sendCommand(SeeedOLED_Display_Off_Cmd); //display off
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| 135 | delay(5);
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| 136 | sendCommand(SeeedOLED_Display_On_Cmd); //display on
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| 137 | delay(5);
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| 138 | sendCommand(SeeedOLED_Normal_Display_Cmd); //Set Normal Display (default)
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| 139 | }
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| 140 |
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| 141 | void SeeedOLED::sendCommand(unsigned char command)
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| 142 | {
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| 143 | Wire.beginTransmission(SeeedOLED_Address); // begin I2C communication
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| 144 | #if defined(ARDUINO) && ARDUINO >= 100
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| 145 | Wire.write(SeeedOLED_Command_Mode); // Set OLED Command mode
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| 146 | Wire.write(command);
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| 147 | #else
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| 148 | Wire.send(SeeedOLED_Command_Mode); // Set OLED Command mode
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| 149 | Wire.send(command);
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| 150 | #endif
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| 151 | Wire.endTransmission(); // End I2C communication
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| 152 | }
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| 153 |
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| 154 | void SeeedOLED::setBrightness(unsigned char Brightness)
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| 155 | {
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| 156 | sendCommand(SeeedOLED_Set_Brightness_Cmd);
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| 157 | sendCommand(Brightness);
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| 158 | }
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| 159 |
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| 160 | void SeeedOLED::setHorizontalMode()
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| 161 | {
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| 162 | addressingMode = HORIZONTAL_MODE;
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| 163 | sendCommand(0x20); //set addressing mode
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| 164 | sendCommand(0x00); //set horizontal addressing mode
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| 165 | }
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| 166 |
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| 167 | void SeeedOLED::setPageMode()
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| 168 | {
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| 169 | addressingMode = PAGE_MODE;
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| 170 | sendCommand(0x20); //set addressing mode
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| 171 | sendCommand(0x02); //set page addressing mode
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| 172 | }
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| 173 |
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| 174 |
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| 175 | void SeeedOLED::setTextXY(unsigned char Row, unsigned char Column)
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| 176 | {
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| 177 | sendCommand(0xB0 + Row); //set page address
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| 178 | sendCommand(0x00 + (8*Column & 0x0F)); //set column lower address
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| 179 | sendCommand(0x10 + ((8*Column>>4)&0x0F)); //set column higher address
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| 180 | }
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| 181 |
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| 182 |
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| 183 | void SeeedOLED::clearDisplay()
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| 184 | {
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| 185 | unsigned char i,j;
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| 186 | sendCommand(SeeedOLED_Display_Off_Cmd); //display off
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| 187 | for(j=0;j<8;j++)
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| 188 | {
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| 189 | setTextXY(j,0);
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| 190 | {
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| 191 | for(i=0;i<16;i++) //clear all columns
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| 192 | {
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| 193 | putChar(' ');
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| 194 | }
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| 195 | }
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| 196 | }
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| 197 | sendCommand(SeeedOLED_Display_On_Cmd); //display on
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| 198 | setTextXY(0,0);
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| 199 | }
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| 200 |
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| 201 | void SeeedOLED::sendData(unsigned char Data)
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| 202 | {
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| 203 | Wire.beginTransmission(SeeedOLED_Address); // begin I2C transmission
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| 204 | #if defined(ARDUINO) && ARDUINO >= 100
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| 205 | Wire.write(SeeedOLED_Data_Mode); // data mode
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| 206 | Wire.write(Data);
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| 207 | #else
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| 208 | Wire.send(SeeedOLED_Data_Mode); // data mode
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| 209 | Wire.send(Data);
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| 210 | #endif
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| 211 | Wire.endTransmission(); // stop I2C transmission
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| 212 | }
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| 213 |
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| 214 | void SeeedOLED::putChar(unsigned char C)
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| 215 | {
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| 216 | if(C < 32 || C > 127) //Ignore non-printable ASCII characters. This can be modified for multilingual font.
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| 217 | {
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| 218 | C=' '; //Space
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| 219 | }
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| 220 | unsigned char i=0;
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| 221 | for(i=0;i<8;i++)
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| 222 | {
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| 223 | //read bytes from code memory
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| 224 | sendData(pgm_read_byte(&BasicFont[C-32][i])); //font array starts at 0, ASCII starts at 32. Hence the translation
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| 225 | }
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| 226 | }
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| 227 |
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| 228 | void SeeedOLED::putString(const char *String)
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| 229 | {
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| 230 | unsigned char i=0;
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| 231 | while(String[i])
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| 232 | {
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| 233 | putChar(String[i]);
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| 234 | i++;
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| 235 | }
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| 236 | }
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| 237 |
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| 238 | unsigned char SeeedOLED::putNumber(long long_num)
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| 239 | {
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| 240 | unsigned char char_buffer[10]="";
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| 241 | unsigned char i = 0;
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| 242 | unsigned char f = 0;
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| 243 |
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| 244 | if (long_num < 0)
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| 245 | {
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| 246 | f=1;
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| 247 | putChar('-');
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| 248 | long_num = -long_num;
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| 249 | }
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| 250 | else if (long_num == 0)
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| 251 | {
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| 252 | f=1;
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| 253 | putChar('0');
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| 254 | return f;
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| 255 | }
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| 256 |
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| 257 | while (long_num > 0)
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| 258 | {
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| 259 | char_buffer[i++] = long_num % 10;
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| 260 | long_num /= 10;
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| 261 | }
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| 262 |
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| 263 | f=f+i;
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| 264 | for(; i > 0; i--)
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| 265 | {
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| 266 | putChar('0'+ char_buffer[i - 1]);
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| 267 | }
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| 268 | return f;
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| 269 |
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| 270 | }
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| 271 |
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| 272 | unsigned char SeeedOLED::putFloat(float floatNumber,unsigned char decimal)
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| 273 | {
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| 274 | unsigned int temp=0;
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| 275 | float decy=0.0;
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| 276 | float rounding = 0.5;
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| 277 | unsigned char f=0;
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| 278 | if(floatNumber<0.0)
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| 279 | {
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| 280 | putString("-");
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| 281 | floatNumber = -floatNumber;
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| 282 | f +=1;
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| 283 | }
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| 284 | for (unsigned char i=0; i<decimal; ++i)
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| 285 | {
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| 286 | rounding /= 10.0;
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| 287 | }
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| 288 | floatNumber += rounding;
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| 289 |
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| 290 | temp = floatNumber;
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| 291 | f += putNumber(temp);
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| 292 | if(decimal>0)
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| 293 | {
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| 294 | putChar('.');
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| 295 | f +=1;
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| 296 | }
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| 297 | decy = floatNumber-temp;//decimal part,
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| 298 | for(unsigned char i=0;i<decimal;i++)//4
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| 299 | {
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| 300 | decy *=10;// for the next decimal
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|---|
| 301 | temp = decy;//get the decimal
|
|---|
| 302 | putNumber(temp);
|
|---|
| 303 | decy -= temp;
|
|---|
| 304 | }
|
|---|
| 305 | f +=decimal;
|
|---|
| 306 | return f;
|
|---|
| 307 | }
|
|---|
| 308 | unsigned char SeeedOLED::putFloat(float floatNumber)
|
|---|
| 309 | {
|
|---|
| 310 | unsigned char decimal=2;
|
|---|
| 311 | unsigned int temp=0;
|
|---|
| 312 | float decy=0.0;
|
|---|
| 313 | float rounding = 0.5;
|
|---|
| 314 | unsigned char f=0;
|
|---|
| 315 | if(floatNumber<0.0)
|
|---|
| 316 | {
|
|---|
| 317 | putString("-");
|
|---|
| 318 | floatNumber = -floatNumber;
|
|---|
| 319 | f +=1;
|
|---|
| 320 | }
|
|---|
| 321 | for (unsigned char i=0; i<decimal; ++i)
|
|---|
| 322 | {
|
|---|
| 323 | rounding /= 10.0;
|
|---|
| 324 | }
|
|---|
| 325 | floatNumber += rounding;
|
|---|
| 326 |
|
|---|
| 327 | temp = floatNumber;
|
|---|
| 328 | f += putNumber(temp);
|
|---|
| 329 | if(decimal>0)
|
|---|
| 330 | {
|
|---|
| 331 | putChar('.');
|
|---|
| 332 | f +=1;
|
|---|
| 333 | }
|
|---|
| 334 | decy = floatNumber-temp;//decimal part,
|
|---|
| 335 | for(unsigned char i=0;i<decimal;i++)//4
|
|---|
| 336 | {
|
|---|
| 337 | decy *=10;// for the next decimal
|
|---|
| 338 | temp = decy;//get the decimal
|
|---|
| 339 | putNumber(temp);
|
|---|
| 340 | decy -= temp;
|
|---|
| 341 | }
|
|---|
| 342 | f +=decimal;
|
|---|
| 343 | return f;
|
|---|
| 344 | }
|
|---|
| 345 |
|
|---|
| 346 | void SeeedOLED::drawBitmap(unsigned char *bitmaparray,int bytes)
|
|---|
| 347 | {
|
|---|
| 348 | char localAddressMode = addressingMode;
|
|---|
| 349 | if(addressingMode != HORIZONTAL_MODE)
|
|---|
| 350 | {
|
|---|
| 351 | //Bitmap is drawn in horizontal mode
|
|---|
| 352 | setHorizontalMode();
|
|---|
| 353 | }
|
|---|
| 354 |
|
|---|
| 355 | for(int i=0;i<bytes;i++)
|
|---|
| 356 | {
|
|---|
| 357 | sendData(pgm_read_byte(&bitmaparray[i]));
|
|---|
| 358 | }
|
|---|
| 359 |
|
|---|
| 360 | if(localAddressMode == PAGE_MODE)
|
|---|
| 361 | {
|
|---|
| 362 | //If pageMode was used earlier, restore it.
|
|---|
| 363 | setPageMode();
|
|---|
| 364 | }
|
|---|
| 365 |
|
|---|
| 366 | }
|
|---|
| 367 |
|
|---|
| 368 | void SeeedOLED::setHorizontalScrollProperties(bool direction,unsigned char startPage, unsigned char endPage, unsigned char scrollSpeed)
|
|---|
| 369 | {
|
|---|
| 370 | /*
|
|---|
| 371 | Use the following defines for 'direction' :
|
|---|
| 372 |
|
|---|
| 373 | Scroll_Left
|
|---|
| 374 | Scroll_Right
|
|---|
| 375 |
|
|---|
| 376 | Use the following defines for 'scrollSpeed' :
|
|---|
| 377 |
|
|---|
| 378 | Scroll_2Frames
|
|---|
| 379 | Scroll_3Frames
|
|---|
| 380 | Scroll_4Frames
|
|---|
| 381 | Scroll_5Frames
|
|---|
| 382 | Scroll_25Frames
|
|---|
| 383 | Scroll_64Frames
|
|---|
| 384 | Scroll_128Frames
|
|---|
| 385 | Scroll_256Frames
|
|---|
| 386 |
|
|---|
| 387 | */
|
|---|
| 388 |
|
|---|
| 389 | if(Scroll_Right == direction)
|
|---|
| 390 | {
|
|---|
| 391 | //Scroll Right
|
|---|
| 392 | sendCommand(0x26);
|
|---|
| 393 | }
|
|---|
| 394 | else
|
|---|
| 395 | {
|
|---|
| 396 | //Scroll Left
|
|---|
| 397 | sendCommand(0x27);
|
|---|
| 398 |
|
|---|
| 399 | }
|
|---|
| 400 | sendCommand(0x00);
|
|---|
| 401 | sendCommand(startPage);
|
|---|
| 402 | sendCommand(scrollSpeed);
|
|---|
| 403 | sendCommand(endPage);
|
|---|
| 404 | sendCommand(0x00);
|
|---|
| 405 | sendCommand(0xFF);
|
|---|
| 406 | }
|
|---|
| 407 |
|
|---|
| 408 | void SeeedOLED::activateScroll()
|
|---|
| 409 | {
|
|---|
| 410 | sendCommand(SeeedOLED_Activate_Scroll_Cmd);
|
|---|
| 411 | }
|
|---|
| 412 |
|
|---|
| 413 | void SeeedOLED::deactivateScroll()
|
|---|
| 414 | {
|
|---|
| 415 | sendCommand(SeeedOLED_Dectivate_Scroll_Cmd);
|
|---|
| 416 | }
|
|---|
| 417 |
|
|---|
| 418 | void SeeedOLED::setNormalDisplay()
|
|---|
| 419 | {
|
|---|
| 420 | sendCommand(SeeedOLED_Normal_Display_Cmd);
|
|---|
| 421 | }
|
|---|
| 422 |
|
|---|
| 423 | void SeeedOLED::setInverseDisplay()
|
|---|
| 424 | {
|
|---|
| 425 | sendCommand(SeeedOLED_Inverse_Display_Cmd);
|
|---|
| 426 | }
|
|---|
| 427 |
|
|---|
| 428 |
|
|---|
| 429 | SeeedOLED SeeedOled; // Preinstantiate Objects
|
|---|
| 430 |
|
|---|
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