ON Semiconductor / SeeedGrayOLED

Seed I2C OLED library for mbed

SeeedGrayOLED.cpp@0:e14364aac2ca, 2017-01-25 (annotated)

Committer:
jacobjohnson
Date:
Wed Jan 25 18:33:22 2017 +0000
Revision:
0:e14364aac2ca
Seeed OLED Library for mbed;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jacobjohnson 0:e14364aac2ca 1 /*
jacobjohnson 0:e14364aac2ca 2 * SeeedGrayOLED.cpp
jacobjohnson 0:e14364aac2ca 3 * SSD1327 Gray OLED Driver Library for SSD1327
jacobjohnson 0:e14364aac2ca 4 *
jacobjohnson 0:e14364aac2ca 5 * Copyright (c) 2011 seeed technology inc.
jacobjohnson 0:e14364aac2ca 6 * Author : Visweswara R
jacobjohnson 0:e14364aac2ca 7 * Create Time : Dec 2011
jacobjohnson 0:e14364aac2ca 8 * Change Log :
jacobjohnson 0:e14364aac2ca 9 *
jacobjohnson 0:e14364aac2ca 10 * This library is free software; you can redistribute it and/or
jacobjohnson 0:e14364aac2ca 11 * modify it under the terms of the GNU Lesser General Public
jacobjohnson 0:e14364aac2ca 12 * License as published by the Free Software Foundation; either
jacobjohnson 0:e14364aac2ca 13 * version 2.1 of the License, or (at your option) any later version.
jacobjohnson 0:e14364aac2ca 14 *
jacobjohnson 0:e14364aac2ca 15 * This library is distributed in the hope that it will be useful,
jacobjohnson 0:e14364aac2ca 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
jacobjohnson 0:e14364aac2ca 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
jacobjohnson 0:e14364aac2ca 18 * Lesser General Public License for more details.
jacobjohnson 0:e14364aac2ca 19 *
jacobjohnson 0:e14364aac2ca 20 * You should have received a copy of the GNU Lesser General Public
jacobjohnson 0:e14364aac2ca 21 * License along with this library; if not, write to the Free Software
jacobjohnson 0:e14364aac2ca 22 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
jacobjohnson 0:e14364aac2ca 23 */
jacobjohnson 0:e14364aac2ca 24
jacobjohnson 0:e14364aac2ca 25 #include "mbed.h"
jacobjohnson 0:e14364aac2ca 26 #include "SeeedGrayOLED.h"
jacobjohnson 0:e14364aac2ca 27 #include <stdio.h>
jacobjohnson 0:e14364aac2ca 28 #include <string.h>
jacobjohnson 0:e14364aac2ca 29
jacobjohnson 0:e14364aac2ca 30 // 8x8 Font ASCII 32 - 127 Implemented
jacobjohnson 0:e14364aac2ca 31 // Users can modify this to support more characters(glyphs)
jacobjohnson 0:e14364aac2ca 32 // BasicFont is placed in code memory.
jacobjohnson 0:e14364aac2ca 33
jacobjohnson 0:e14364aac2ca 34 // This font can be freely used without any restriction(It is placed in public domain)
jacobjohnson 0:e14364aac2ca 35 // const unsigned char BasicFont[][8] PROGMEM=
jacobjohnson 0:e14364aac2ca 36
jacobjohnson 0:e14364aac2ca 37
jacobjohnson 0:e14364aac2ca 38 const uint8_t BasicFont[][8] = {
jacobjohnson 0:e14364aac2ca 39 {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
jacobjohnson 0:e14364aac2ca 40 {0x00,0x00,0x5F,0x00,0x00,0x00,0x00,0x00},
jacobjohnson 0:e14364aac2ca 41 {0x00,0x00,0x07,0x00,0x07,0x00,0x00,0x00},
jacobjohnson 0:e14364aac2ca 42 {0x00,0x14,0x7F,0x14,0x7F,0x14,0x00,0x00},
jacobjohnson 0:e14364aac2ca 43 {0x00,0x24,0x2A,0x7F,0x2A,0x12,0x00,0x00},
jacobjohnson 0:e14364aac2ca 44 {0x00,0x23,0x13,0x08,0x64,0x62,0x00,0x00},
jacobjohnson 0:e14364aac2ca 45 {0x00,0x36,0x49,0x55,0x22,0x50,0x00,0x00},
jacobjohnson 0:e14364aac2ca 46 {0x00,0x00,0x05,0x03,0x00,0x00,0x00,0x00},
jacobjohnson 0:e14364aac2ca 47 {0x00,0x1C,0x22,0x41,0x00,0x00,0x00,0x00},
jacobjohnson 0:e14364aac2ca 48 {0x00,0x41,0x22,0x1C,0x00,0x00,0x00,0x00},
jacobjohnson 0:e14364aac2ca 49 {0x00,0x08,0x2A,0x1C,0x2A,0x08,0x00,0x00},
jacobjohnson 0:e14364aac2ca 50 {0x00,0x08,0x08,0x3E,0x08,0x08,0x00,0x00},
jacobjohnson 0:e14364aac2ca 51 {0x00,0xA0,0x60,0x00,0x00,0x00,0x00,0x00},
jacobjohnson 0:e14364aac2ca 52 {0x00,0x08,0x08,0x08,0x08,0x08,0x00,0x00},
jacobjohnson 0:e14364aac2ca 53 {0x00,0x60,0x60,0x00,0x00,0x00,0x00,0x00},
jacobjohnson 0:e14364aac2ca 54 {0x00,0x20,0x10,0x08,0x04,0x02,0x00,0x00},
jacobjohnson 0:e14364aac2ca 55 {0x00,0x3E,0x51,0x49,0x45,0x3E,0x00,0x00},
jacobjohnson 0:e14364aac2ca 56 {0x00,0x00,0x42,0x7F,0x40,0x00,0x00,0x00},
jacobjohnson 0:e14364aac2ca 57 {0x00,0x62,0x51,0x49,0x49,0x46,0x00,0x00},
jacobjohnson 0:e14364aac2ca 58 {0x00,0x22,0x41,0x49,0x49,0x36,0x00,0x00},
jacobjohnson 0:e14364aac2ca 59 {0x00,0x18,0x14,0x12,0x7F,0x10,0x00,0x00},
jacobjohnson 0:e14364aac2ca 60 {0x00,0x27,0x45,0x45,0x45,0x39,0x00,0x00},
jacobjohnson 0:e14364aac2ca 61 {0x00,0x3C,0x4A,0x49,0x49,0x30,0x00,0x00},
jacobjohnson 0:e14364aac2ca 62 {0x00,0x01,0x71,0x09,0x05,0x03,0x00,0x00},
jacobjohnson 0:e14364aac2ca 63 {0x00,0x36,0x49,0x49,0x49,0x36,0x00,0x00},
jacobjohnson 0:e14364aac2ca 64 {0x00,0x06,0x49,0x49,0x29,0x1E,0x00,0x00},
jacobjohnson 0:e14364aac2ca 65 {0x00,0x00,0x36,0x36,0x00,0x00,0x00,0x00},
jacobjohnson 0:e14364aac2ca 66 {0x00,0x00,0xAC,0x6C,0x00,0x00,0x00,0x00},
jacobjohnson 0:e14364aac2ca 67 {0x00,0x08,0x14,0x22,0x41,0x00,0x00,0x00},
jacobjohnson 0:e14364aac2ca 68 {0x00,0x14,0x14,0x14,0x14,0x14,0x00,0x00},
jacobjohnson 0:e14364aac2ca 69 {0x00,0x41,0x22,0x14,0x08,0x00,0x00,0x00},
jacobjohnson 0:e14364aac2ca 70 {0x00,0x02,0x01,0x51,0x09,0x06,0x00,0x00},
jacobjohnson 0:e14364aac2ca 71 {0x00,0x32,0x49,0x79,0x41,0x3E,0x00,0x00},
jacobjohnson 0:e14364aac2ca 72 {0x00,0x7E,0x09,0x09,0x09,0x7E,0x00,0x00},
jacobjohnson 0:e14364aac2ca 73 {0x00,0x7F,0x49,0x49,0x49,0x36,0x00,0x00},
jacobjohnson 0:e14364aac2ca 74 {0x00,0x3E,0x41,0x41,0x41,0x22,0x00,0x00},
jacobjohnson 0:e14364aac2ca 75 {0x00,0x7F,0x41,0x41,0x22,0x1C,0x00,0x00},
jacobjohnson 0:e14364aac2ca 76 {0x00,0x7F,0x49,0x49,0x49,0x41,0x00,0x00},
jacobjohnson 0:e14364aac2ca 77 {0x00,0x7F,0x09,0x09,0x09,0x01,0x00,0x00},
jacobjohnson 0:e14364aac2ca 78 {0x00,0x3E,0x41,0x41,0x51,0x72,0x00,0x00},
jacobjohnson 0:e14364aac2ca 79 {0x00,0x7F,0x08,0x08,0x08,0x7F,0x00,0x00},
jacobjohnson 0:e14364aac2ca 80 {0x00,0x41,0x7F,0x41,0x00,0x00,0x00,0x00},
jacobjohnson 0:e14364aac2ca 81 {0x00,0x20,0x40,0x41,0x3F,0x01,0x00,0x00},
jacobjohnson 0:e14364aac2ca 82 {0x00,0x7F,0x08,0x14,0x22,0x41,0x00,0x00},
jacobjohnson 0:e14364aac2ca 83 {0x00,0x7F,0x40,0x40,0x40,0x40,0x00,0x00},
jacobjohnson 0:e14364aac2ca 84 {0x00,0x7F,0x02,0x0C,0x02,0x7F,0x00,0x00},
jacobjohnson 0:e14364aac2ca 85 {0x00,0x7F,0x04,0x08,0x10,0x7F,0x00,0x00},
jacobjohnson 0:e14364aac2ca 86 {0x00,0x3E,0x41,0x41,0x41,0x3E,0x00,0x00},
jacobjohnson 0:e14364aac2ca 87 {0x00,0x7F,0x09,0x09,0x09,0x06,0x00,0x00},
jacobjohnson 0:e14364aac2ca 88 {0x00,0x3E,0x41,0x51,0x21,0x5E,0x00,0x00},
jacobjohnson 0:e14364aac2ca 89 {0x00,0x7F,0x09,0x19,0x29,0x46,0x00,0x00},
jacobjohnson 0:e14364aac2ca 90 {0x00,0x26,0x49,0x49,0x49,0x32,0x00,0x00},
jacobjohnson 0:e14364aac2ca 91 {0x00,0x01,0x01,0x7F,0x01,0x01,0x00,0x00},
jacobjohnson 0:e14364aac2ca 92 {0x00,0x3F,0x40,0x40,0x40,0x3F,0x00,0x00},
jacobjohnson 0:e14364aac2ca 93 {0x00,0x1F,0x20,0x40,0x20,0x1F,0x00,0x00},
jacobjohnson 0:e14364aac2ca 94 {0x00,0x3F,0x40,0x38,0x40,0x3F,0x00,0x00},
jacobjohnson 0:e14364aac2ca 95 {0x00,0x63,0x14,0x08,0x14,0x63,0x00,0x00},
jacobjohnson 0:e14364aac2ca 96 {0x00,0x03,0x04,0x78,0x04,0x03,0x00,0x00},
jacobjohnson 0:e14364aac2ca 97 {0x00,0x61,0x51,0x49,0x45,0x43,0x00,0x00},
jacobjohnson 0:e14364aac2ca 98 {0x00,0x7F,0x41,0x41,0x00,0x00,0x00,0x00},
jacobjohnson 0:e14364aac2ca 99 {0x00,0x02,0x04,0x08,0x10,0x20,0x00,0x00},
jacobjohnson 0:e14364aac2ca 100 {0x00,0x41,0x41,0x7F,0x00,0x00,0x00,0x00},
jacobjohnson 0:e14364aac2ca 101 {0x00,0x04,0x02,0x01,0x02,0x04,0x00,0x00},
jacobjohnson 0:e14364aac2ca 102 {0x00,0x80,0x80,0x80,0x80,0x80,0x00,0x00},
jacobjohnson 0:e14364aac2ca 103 {0x00,0x01,0x02,0x04,0x00,0x00,0x00,0x00},
jacobjohnson 0:e14364aac2ca 104 {0x00,0x20,0x54,0x54,0x54,0x78,0x00,0x00},
jacobjohnson 0:e14364aac2ca 105 {0x00,0x7F,0x48,0x44,0x44,0x38,0x00,0x00},
jacobjohnson 0:e14364aac2ca 106 {0x00,0x38,0x44,0x44,0x28,0x00,0x00,0x00},
jacobjohnson 0:e14364aac2ca 107 {0x00,0x38,0x44,0x44,0x48,0x7F,0x00,0x00},
jacobjohnson 0:e14364aac2ca 108 {0x00,0x38,0x54,0x54,0x54,0x18,0x00,0x00},
jacobjohnson 0:e14364aac2ca 109 {0x00,0x08,0x7E,0x09,0x02,0x00,0x00,0x00},
jacobjohnson 0:e14364aac2ca 110 {0x00,0x18,0xA4,0xA4,0xA4,0x7C,0x00,0x00},
jacobjohnson 0:e14364aac2ca 111 {0x00,0x7F,0x08,0x04,0x04,0x78,0x00,0x00},
jacobjohnson 0:e14364aac2ca 112 {0x00,0x00,0x7D,0x00,0x00,0x00,0x00,0x00},
jacobjohnson 0:e14364aac2ca 113 {0x00,0x80,0x84,0x7D,0x00,0x00,0x00,0x00},
jacobjohnson 0:e14364aac2ca 114 {0x00,0x7F,0x10,0x28,0x44,0x00,0x00,0x00},
jacobjohnson 0:e14364aac2ca 115 {0x00,0x41,0x7F,0x40,0x00,0x00,0x00,0x00},
jacobjohnson 0:e14364aac2ca 116 {0x00,0x7C,0x04,0x18,0x04,0x78,0x00,0x00},
jacobjohnson 0:e14364aac2ca 117 {0x00,0x7C,0x08,0x04,0x7C,0x00,0x00,0x00},
jacobjohnson 0:e14364aac2ca 118 {0x00,0x38,0x44,0x44,0x38,0x00,0x00,0x00},
jacobjohnson 0:e14364aac2ca 119 {0x00,0xFC,0x24,0x24,0x18,0x00,0x00,0x00},
jacobjohnson 0:e14364aac2ca 120 {0x00,0x18,0x24,0x24,0xFC,0x00,0x00,0x00},
jacobjohnson 0:e14364aac2ca 121 {0x00,0x00,0x7C,0x08,0x04,0x00,0x00,0x00},
jacobjohnson 0:e14364aac2ca 122 {0x00,0x48,0x54,0x54,0x24,0x00,0x00,0x00},
jacobjohnson 0:e14364aac2ca 123 {0x00,0x04,0x7F,0x44,0x00,0x00,0x00,0x00},
jacobjohnson 0:e14364aac2ca 124 {0x00,0x3C,0x40,0x40,0x7C,0x00,0x00,0x00},
jacobjohnson 0:e14364aac2ca 125 {0x00,0x1C,0x20,0x40,0x20,0x1C,0x00,0x00},
jacobjohnson 0:e14364aac2ca 126 {0x00,0x3C,0x40,0x30,0x40,0x3C,0x00,0x00},
jacobjohnson 0:e14364aac2ca 127 {0x00,0x44,0x28,0x10,0x28,0x44,0x00,0x00},
jacobjohnson 0:e14364aac2ca 128 {0x00,0x1C,0xA0,0xA0,0x7C,0x00,0x00,0x00},
jacobjohnson 0:e14364aac2ca 129 {0x00,0x44,0x64,0x54,0x4C,0x44,0x00,0x00},
jacobjohnson 0:e14364aac2ca 130 {0x00,0x08,0x36,0x41,0x00,0x00,0x00,0x00},
jacobjohnson 0:e14364aac2ca 131 {0x00,0x00,0x7F,0x00,0x00,0x00,0x00,0x00},
jacobjohnson 0:e14364aac2ca 132 {0x00,0x41,0x36,0x08,0x00,0x00,0x00,0x00},
jacobjohnson 0:e14364aac2ca 133 {0x00,0x02,0x01,0x01,0x02,0x01,0x00,0x00},
jacobjohnson 0:e14364aac2ca 134 {0x00,0x02,0x05,0x05,0x02,0x00,0x00,0x00}
jacobjohnson 0:e14364aac2ca 135 };
jacobjohnson 0:e14364aac2ca 136
jacobjohnson 0:e14364aac2ca 137
jacobjohnson 0:e14364aac2ca 138 SeeedGrayOLED::SeeedGrayOLED(PinName sda, PinName scl):
jacobjohnson 0:e14364aac2ca 139 _device(sda, scl)
jacobjohnson 0:e14364aac2ca 140 {
jacobjohnson 0:e14364aac2ca 141 }
jacobjohnson 0:e14364aac2ca 142
jacobjohnson 0:e14364aac2ca 143
jacobjohnson 0:e14364aac2ca 144 void SeeedGrayOLED::init(void)
jacobjohnson 0:e14364aac2ca 145 {
jacobjohnson 0:e14364aac2ca 146 sendCommand(0xFD); // Unlock OLED driver IC MCU interface from entering command. i.e: Accept commands
jacobjohnson 0:e14364aac2ca 147 sendCommand(0x12);
jacobjohnson 0:e14364aac2ca 148 sendCommand(0xAE); // Set display off
jacobjohnson 0:e14364aac2ca 149 sendCommand(0xA8); // set multiplex ratio
jacobjohnson 0:e14364aac2ca 150 sendCommand(0x5F); // 96
jacobjohnson 0:e14364aac2ca 151 sendCommand(0xA1); // set display start line
jacobjohnson 0:e14364aac2ca 152 sendCommand(0x00);
jacobjohnson 0:e14364aac2ca 153 sendCommand(0xA2); // set display offset
jacobjohnson 0:e14364aac2ca 154 sendCommand(0x60);
jacobjohnson 0:e14364aac2ca 155 sendCommand(0xA0); // set remap
jacobjohnson 0:e14364aac2ca 156 sendCommand(0x46);
jacobjohnson 0:e14364aac2ca 157 sendCommand(0xAB); // set vdd internal
jacobjohnson 0:e14364aac2ca 158 sendCommand(0x01); //
jacobjohnson 0:e14364aac2ca 159 sendCommand(0x81); // set contrasr
jacobjohnson 0:e14364aac2ca 160 sendCommand(0x53); // 100 nit
jacobjohnson 0:e14364aac2ca 161 sendCommand(0xB1); // Set Phase Length
jacobjohnson 0:e14364aac2ca 162 sendCommand(0X51); //
jacobjohnson 0:e14364aac2ca 163 sendCommand(0xB3); // Set Display Clock Divide Ratio/Oscillator Frequency
jacobjohnson 0:e14364aac2ca 164 sendCommand(0x01);
jacobjohnson 0:e14364aac2ca 165 sendCommand(0xB9); //
jacobjohnson 0:e14364aac2ca 166 sendCommand(0xBC); // set pre_charge voltage/VCOMH
jacobjohnson 0:e14364aac2ca 167 sendCommand(0x08); // (0x08);
jacobjohnson 0:e14364aac2ca 168 sendCommand(0xBE); // set VCOMH
jacobjohnson 0:e14364aac2ca 169 sendCommand(0X07); // (0x07);
jacobjohnson 0:e14364aac2ca 170 sendCommand(0xB6); // Set second pre-charge period
jacobjohnson 0:e14364aac2ca 171 sendCommand(0x01); //
jacobjohnson 0:e14364aac2ca 172 sendCommand(0xD5); // enable second precharge and enternal vsl
jacobjohnson 0:e14364aac2ca 173 sendCommand(0X62); // (0x62);
jacobjohnson 0:e14364aac2ca 174 sendCommand(0xA4); // Set Normal Display Mode
jacobjohnson 0:e14364aac2ca 175 sendCommand(0x2E); // Deactivate Scroll
jacobjohnson 0:e14364aac2ca 176 sendCommand(0xAF); // Switch on display
jacobjohnson 0:e14364aac2ca 177 wait_ms(100);
jacobjohnson 0:e14364aac2ca 178
jacobjohnson 0:e14364aac2ca 179 // Row Address
jacobjohnson 0:e14364aac2ca 180 sendCommand(0x75); // Set Row Address
jacobjohnson 0:e14364aac2ca 181 sendCommand(0x00); // Start 0
jacobjohnson 0:e14364aac2ca 182 sendCommand(0x5f); // End 95
jacobjohnson 0:e14364aac2ca 183
jacobjohnson 0:e14364aac2ca 184
jacobjohnson 0:e14364aac2ca 185 // Column Address
jacobjohnson 0:e14364aac2ca 186 sendCommand(0x15); // Set Column Address
jacobjohnson 0:e14364aac2ca 187 sendCommand(0x08); // Start from 8th Column of driver IC. This is 0th Column for OLED
jacobjohnson 0:e14364aac2ca 188 sendCommand(0x37); // End at (8 + 47)th column. Each Column has 2 pixels(segments)
jacobjohnson 0:e14364aac2ca 189
jacobjohnson 0:e14364aac2ca 190 // Init gray level for text. Default:Brightest White
jacobjohnson 0:e14364aac2ca 191 grayH= 0xF0;
jacobjohnson 0:e14364aac2ca 192 grayL= 0x0F;
jacobjohnson 0:e14364aac2ca 193 }
jacobjohnson 0:e14364aac2ca 194
jacobjohnson 0:e14364aac2ca 195 void SeeedGrayOLED::sendCommand(unsigned char command)
jacobjohnson 0:e14364aac2ca 196 {
jacobjohnson 0:e14364aac2ca 197 int transmissionSuccessful;
jacobjohnson 0:e14364aac2ca 198 _device.start();
jacobjohnson 0:e14364aac2ca 199 transmissionSuccessful = _device.write(SeeedGrayOLED_Address << 1);
jacobjohnson 0:e14364aac2ca 200 Thread::wait(5);
jacobjohnson 0:e14364aac2ca 201 transmissionSuccessful |= _device.write(SeeedGrayOLED_Command_Mode);
jacobjohnson 0:e14364aac2ca 202 Thread::wait(5);
jacobjohnson 0:e14364aac2ca 203 transmissionSuccessful |= _device.write(command);
jacobjohnson 0:e14364aac2ca 204 Thread::wait(5);
jacobjohnson 0:e14364aac2ca 205 _device.stop();
jacobjohnson 0:e14364aac2ca 206 Thread::wait(50);
jacobjohnson 0:e14364aac2ca 207 // return (transmissionSuccessful);
jacobjohnson 0:e14364aac2ca 208 }
jacobjohnson 0:e14364aac2ca 209
jacobjohnson 0:e14364aac2ca 210 void SeeedGrayOLED::setContrastLevel(unsigned char ContrastLevel)
jacobjohnson 0:e14364aac2ca 211 {
jacobjohnson 0:e14364aac2ca 212 sendCommand(SeeedGrayOLED_Set_ContrastLevel_Cmd);
jacobjohnson 0:e14364aac2ca 213 sendCommand(ContrastLevel);
jacobjohnson 0:e14364aac2ca 214 }
jacobjohnson 0:e14364aac2ca 215
jacobjohnson 0:e14364aac2ca 216 void SeeedGrayOLED::setHorizontalMode()
jacobjohnson 0:e14364aac2ca 217 {
jacobjohnson 0:e14364aac2ca 218 sendCommand(0xA0); // remap to
jacobjohnson 0:e14364aac2ca 219 sendCommand(0x42); // horizontal mode
jacobjohnson 0:e14364aac2ca 220
jacobjohnson 0:e14364aac2ca 221 // Row Address
jacobjohnson 0:e14364aac2ca 222 sendCommand(0x75); // Set Row Address
jacobjohnson 0:e14364aac2ca 223 sendCommand(0x00); // Start 0
jacobjohnson 0:e14364aac2ca 224 sendCommand(0x5f); // End 95
jacobjohnson 0:e14364aac2ca 225
jacobjohnson 0:e14364aac2ca 226 // Column Address
jacobjohnson 0:e14364aac2ca 227 sendCommand(0x15); // Set Column Address
jacobjohnson 0:e14364aac2ca 228 sendCommand(0x08); // Start from 8th Column of driver IC. This is 0th Column for OLED
jacobjohnson 0:e14364aac2ca 229 sendCommand(0x37); // End at (8 + 47)th column. Each Column has 2 pixels(or segments)
jacobjohnson 0:e14364aac2ca 230 }
jacobjohnson 0:e14364aac2ca 231
jacobjohnson 0:e14364aac2ca 232 void SeeedGrayOLED::setVerticalMode()
jacobjohnson 0:e14364aac2ca 233 {
jacobjohnson 0:e14364aac2ca 234 sendCommand(0xA0); // remap to
jacobjohnson 0:e14364aac2ca 235 sendCommand(0x46); // Vertical mode
jacobjohnson 0:e14364aac2ca 236 }
jacobjohnson 0:e14364aac2ca 237
jacobjohnson 0:e14364aac2ca 238 void SeeedGrayOLED::setTextXY(unsigned char Row, unsigned char Column)
jacobjohnson 0:e14364aac2ca 239 {
jacobjohnson 0:e14364aac2ca 240 //Column Address
jacobjohnson 0:e14364aac2ca 241 sendCommand(0x15); /* Set Column Address */
jacobjohnson 0:e14364aac2ca 242 sendCommand(0x08+(Column*4)); /* Start Column: Start from 8 */
jacobjohnson 0:e14364aac2ca 243 sendCommand(0x37); /* End Column */
jacobjohnson 0:e14364aac2ca 244 // Row Address
jacobjohnson 0:e14364aac2ca 245 sendCommand(0x75); /* Set Row Address */
jacobjohnson 0:e14364aac2ca 246 sendCommand(0x00+(Row*8)); /* Start Row*/
jacobjohnson 0:e14364aac2ca 247 sendCommand(0x07+(Row*8)); /* End Row*/
jacobjohnson 0:e14364aac2ca 248 }
jacobjohnson 0:e14364aac2ca 249
jacobjohnson 0:e14364aac2ca 250 void SeeedGrayOLED::clearDisplay()
jacobjohnson 0:e14364aac2ca 251 {
jacobjohnson 0:e14364aac2ca 252 unsigned char i,j;
jacobjohnson 0:e14364aac2ca 253 for(j=0;j<48;j++)
jacobjohnson 0:e14364aac2ca 254 {
jacobjohnson 0:e14364aac2ca 255 for(i=0;i<96;i++) //clear all columns
jacobjohnson 0:e14364aac2ca 256 {
jacobjohnson 0:e14364aac2ca 257 sendData(0x00);
jacobjohnson 0:e14364aac2ca 258 }
jacobjohnson 0:e14364aac2ca 259 }
jacobjohnson 0:e14364aac2ca 260
jacobjohnson 0:e14364aac2ca 261 }
jacobjohnson 0:e14364aac2ca 262
jacobjohnson 0:e14364aac2ca 263 void SeeedGrayOLED::sendData(unsigned char Data)
jacobjohnson 0:e14364aac2ca 264 {
jacobjohnson 0:e14364aac2ca 265 int transmissionSuccessful;
jacobjohnson 0:e14364aac2ca 266 _device.start();
jacobjohnson 0:e14364aac2ca 267 transmissionSuccessful = _device.write(SeeedGrayOLED_Address << 1);
jacobjohnson 0:e14364aac2ca 268 transmissionSuccessful |= _device.write(SeeedGrayOLED_Data_Mode);
jacobjohnson 0:e14364aac2ca 269 transmissionSuccessful |= _device.write(Data);
jacobjohnson 0:e14364aac2ca 270 _device.stop();
jacobjohnson 0:e14364aac2ca 271 // return (transmissionSuccessful);
jacobjohnson 0:e14364aac2ca 272 }
jacobjohnson 0:e14364aac2ca 273
jacobjohnson 0:e14364aac2ca 274 void SeeedGrayOLED::setGrayLevel(unsigned char grayLevel)
jacobjohnson 0:e14364aac2ca 275 {
jacobjohnson 0:e14364aac2ca 276 grayH = (grayLevel << 4) & 0xF0;
jacobjohnson 0:e14364aac2ca 277 grayL = grayLevel & 0x0F;
jacobjohnson 0:e14364aac2ca 278 }
jacobjohnson 0:e14364aac2ca 279
jacobjohnson 0:e14364aac2ca 280 void SeeedGrayOLED::putChar(unsigned char C)
jacobjohnson 0:e14364aac2ca 281 {
jacobjohnson 0:e14364aac2ca 282 if(C < 32 || C > 127) //Ignore non-printable ASCII characters. This can be modified for multilingual font.
jacobjohnson 0:e14364aac2ca 283 {
jacobjohnson 0:e14364aac2ca 284 C=' '; //Space
jacobjohnson 0:e14364aac2ca 285 }
jacobjohnson 0:e14364aac2ca 286
jacobjohnson 0:e14364aac2ca 287
jacobjohnson 0:e14364aac2ca 288 for(char i=0;i<8;i=i+2)
jacobjohnson 0:e14364aac2ca 289 {
jacobjohnson 0:e14364aac2ca 290 for(char j=0;j<8;j++)
jacobjohnson 0:e14364aac2ca 291 {
jacobjohnson 0:e14364aac2ca 292 // Character is constructed two pixel at a time using vertical mode from the default 8x8 font
jacobjohnson 0:e14364aac2ca 293 char c=0x00;
jacobjohnson 0:e14364aac2ca 294 char bit1=(BasicFont[C-32][i] >> j) & 0x01;
jacobjohnson 0:e14364aac2ca 295 char bit2=(BasicFont[C-32][i+1] >> j) & 0x01;
jacobjohnson 0:e14364aac2ca 296 // Each bit is changed to a nibble
jacobjohnson 0:e14364aac2ca 297 c|=(bit1)?grayH:0x00;
jacobjohnson 0:e14364aac2ca 298 c|=(bit2)?grayL:0x00;
jacobjohnson 0:e14364aac2ca 299 sendData(c);
jacobjohnson 0:e14364aac2ca 300 }
jacobjohnson 0:e14364aac2ca 301 }
jacobjohnson 0:e14364aac2ca 302 }
jacobjohnson 0:e14364aac2ca 303
jacobjohnson 0:e14364aac2ca 304 void SeeedGrayOLED::putString(const char *String)
jacobjohnson 0:e14364aac2ca 305 {
jacobjohnson 0:e14364aac2ca 306 unsigned char i=0;
jacobjohnson 0:e14364aac2ca 307 while(String[i])
jacobjohnson 0:e14364aac2ca 308 {
jacobjohnson 0:e14364aac2ca 309 putChar(String[i]);
jacobjohnson 0:e14364aac2ca 310 i++;
jacobjohnson 0:e14364aac2ca 311 }
jacobjohnson 0:e14364aac2ca 312 }
jacobjohnson 0:e14364aac2ca 313
jacobjohnson 0:e14364aac2ca 314 unsigned char SeeedGrayOLED::putNumber(long long_num)
jacobjohnson 0:e14364aac2ca 315 {
jacobjohnson 0:e14364aac2ca 316 unsigned char char_buffer[10]="";
jacobjohnson 0:e14364aac2ca 317 unsigned char i = 0;
jacobjohnson 0:e14364aac2ca 318 unsigned char f = 0;
jacobjohnson 0:e14364aac2ca 319
jacobjohnson 0:e14364aac2ca 320 if (long_num < 0)
jacobjohnson 0:e14364aac2ca 321 {
jacobjohnson 0:e14364aac2ca 322 f=1;
jacobjohnson 0:e14364aac2ca 323 putChar('-');
jacobjohnson 0:e14364aac2ca 324 long_num = -long_num;
jacobjohnson 0:e14364aac2ca 325 }
jacobjohnson 0:e14364aac2ca 326 else if (long_num == 0)
jacobjohnson 0:e14364aac2ca 327 {
jacobjohnson 0:e14364aac2ca 328 f=1;
jacobjohnson 0:e14364aac2ca 329 putChar('0');
jacobjohnson 0:e14364aac2ca 330 return f;
jacobjohnson 0:e14364aac2ca 331 }
jacobjohnson 0:e14364aac2ca 332
jacobjohnson 0:e14364aac2ca 333 while (long_num > 0)
jacobjohnson 0:e14364aac2ca 334 {
jacobjohnson 0:e14364aac2ca 335 char_buffer[i++] = long_num % 10;
jacobjohnson 0:e14364aac2ca 336 long_num /= 10;
jacobjohnson 0:e14364aac2ca 337 }
jacobjohnson 0:e14364aac2ca 338
jacobjohnson 0:e14364aac2ca 339 f=f+i;
jacobjohnson 0:e14364aac2ca 340 for(; i > 0; i--)
jacobjohnson 0:e14364aac2ca 341 {
jacobjohnson 0:e14364aac2ca 342 putChar('0'+ char_buffer[i - 1]);
jacobjohnson 0:e14364aac2ca 343 }
jacobjohnson 0:e14364aac2ca 344 return f;
jacobjohnson 0:e14364aac2ca 345
jacobjohnson 0:e14364aac2ca 346 }
jacobjohnson 0:e14364aac2ca 347
jacobjohnson 0:e14364aac2ca 348
jacobjohnson 0:e14364aac2ca 349
jacobjohnson 0:e14364aac2ca 350 void SeeedGrayOLED::drawBitmap(unsigned char *bitmaparray,int bytes)
jacobjohnson 0:e14364aac2ca 351 {
jacobjohnson 0:e14364aac2ca 352 char localAddressMode = addressingMode;
jacobjohnson 0:e14364aac2ca 353 if(addressingMode != HORIZONTAL_MODE)
jacobjohnson 0:e14364aac2ca 354 {
jacobjohnson 0:e14364aac2ca 355 //Bitmap is drawn in horizontal mode
jacobjohnson 0:e14364aac2ca 356 setHorizontalMode();
jacobjohnson 0:e14364aac2ca 357 }
jacobjohnson 0:e14364aac2ca 358
jacobjohnson 0:e14364aac2ca 359 for(int i=0;i<bytes;i++)
jacobjohnson 0:e14364aac2ca 360 {
jacobjohnson 0:e14364aac2ca 361
jacobjohnson 0:e14364aac2ca 362 for(int j=0;j<8;j=j+2)
jacobjohnson 0:e14364aac2ca 363 {
jacobjohnson 0:e14364aac2ca 364 char c=0x00;
jacobjohnson 0:e14364aac2ca 365 char bit1=bitmaparray[i] << j & 0x80;
jacobjohnson 0:e14364aac2ca 366 char bit2=bitmaparray[i] << (j+1) & 0x80;
jacobjohnson 0:e14364aac2ca 367
jacobjohnson 0:e14364aac2ca 368 // Each bit is changed to a nibble
jacobjohnson 0:e14364aac2ca 369 c|=(bit1)?grayH:0x00;
jacobjohnson 0:e14364aac2ca 370 // Each bit is changed to a nibble
jacobjohnson 0:e14364aac2ca 371 c|=(bit2)?grayL:0x00;
jacobjohnson 0:e14364aac2ca 372 sendData(c);
jacobjohnson 0:e14364aac2ca 373 }
jacobjohnson 0:e14364aac2ca 374 }
jacobjohnson 0:e14364aac2ca 375 if(localAddressMode == VERTICAL_MODE)
jacobjohnson 0:e14364aac2ca 376 {
jacobjohnson 0:e14364aac2ca 377 //If Vertical Mode was used earlier, restore it.
jacobjohnson 0:e14364aac2ca 378 setVerticalMode();
jacobjohnson 0:e14364aac2ca 379 }
jacobjohnson 0:e14364aac2ca 380
jacobjohnson 0:e14364aac2ca 381 }
jacobjohnson 0:e14364aac2ca 382
jacobjohnson 0:e14364aac2ca 383 void SeeedGrayOLED::setHorizontalScrollProperties(bool direction,unsigned char startRow, unsigned char endRow,unsigned char startColumn, unsigned char endColumn, unsigned char scrollSpeed)
jacobjohnson 0:e14364aac2ca 384 {
jacobjohnson 0:e14364aac2ca 385 /*
jacobjohnson 0:e14364aac2ca 386 Use the following defines for 'direction' :
jacobjohnson 0:e14364aac2ca 387
jacobjohnson 0:e14364aac2ca 388 Scroll_Left
jacobjohnson 0:e14364aac2ca 389 Scroll_Right
jacobjohnson 0:e14364aac2ca 390
jacobjohnson 0:e14364aac2ca 391 Use the following defines for 'scrollSpeed' :
jacobjohnson 0:e14364aac2ca 392
jacobjohnson 0:e14364aac2ca 393 Scroll_2Frames
jacobjohnson 0:e14364aac2ca 394 Scroll_3Frames
jacobjohnson 0:e14364aac2ca 395 Scroll_4Frames
jacobjohnson 0:e14364aac2ca 396 Scroll_5Frames
jacobjohnson 0:e14364aac2ca 397 Scroll_25Frames
jacobjohnson 0:e14364aac2ca 398 Scroll_64Frames
jacobjohnson 0:e14364aac2ca 399 Scroll_128Frames
jacobjohnson 0:e14364aac2ca 400 Scroll_256Frames
jacobjohnson 0:e14364aac2ca 401
jacobjohnson 0:e14364aac2ca 402 */
jacobjohnson 0:e14364aac2ca 403
jacobjohnson 0:e14364aac2ca 404 if(Scroll_Right == direction)
jacobjohnson 0:e14364aac2ca 405 {
jacobjohnson 0:e14364aac2ca 406 //Scroll Right
jacobjohnson 0:e14364aac2ca 407 sendCommand(0x27);
jacobjohnson 0:e14364aac2ca 408 }
jacobjohnson 0:e14364aac2ca 409 else
jacobjohnson 0:e14364aac2ca 410 {
jacobjohnson 0:e14364aac2ca 411 //Scroll Left
jacobjohnson 0:e14364aac2ca 412 sendCommand(0x26);
jacobjohnson 0:e14364aac2ca 413 }
jacobjohnson 0:e14364aac2ca 414 sendCommand(0x00); //Dummmy byte
jacobjohnson 0:e14364aac2ca 415 sendCommand(startRow);
jacobjohnson 0:e14364aac2ca 416 sendCommand(scrollSpeed);
jacobjohnson 0:e14364aac2ca 417 sendCommand(endRow);
jacobjohnson 0:e14364aac2ca 418 sendCommand(startColumn+8);
jacobjohnson 0:e14364aac2ca 419 sendCommand(endColumn+8);
jacobjohnson 0:e14364aac2ca 420 sendCommand(0x00); //Dummmy byte
jacobjohnson 0:e14364aac2ca 421
jacobjohnson 0:e14364aac2ca 422 }
jacobjohnson 0:e14364aac2ca 423
jacobjohnson 0:e14364aac2ca 424 void SeeedGrayOLED::activateScroll()
jacobjohnson 0:e14364aac2ca 425 {
jacobjohnson 0:e14364aac2ca 426 sendCommand(SeeedGrayOLED_Activate_Scroll_Cmd);
jacobjohnson 0:e14364aac2ca 427 }
jacobjohnson 0:e14364aac2ca 428
jacobjohnson 0:e14364aac2ca 429 void SeeedGrayOLED::deactivateScroll()
jacobjohnson 0:e14364aac2ca 430 {
jacobjohnson 0:e14364aac2ca 431 sendCommand(SeeedGrayOLED_Dectivate_Scroll_Cmd);
jacobjohnson 0:e14364aac2ca 432 }
jacobjohnson 0:e14364aac2ca 433
jacobjohnson 0:e14364aac2ca 434 void SeeedGrayOLED::setNormalDisplay()
jacobjohnson 0:e14364aac2ca 435 {
jacobjohnson 0:e14364aac2ca 436 sendCommand(SeeedGrayOLED_Normal_Display_Cmd);
jacobjohnson 0:e14364aac2ca 437 }
jacobjohnson 0:e14364aac2ca 438
jacobjohnson 0:e14364aac2ca 439 void SeeedGrayOLED::setInverseDisplay()
jacobjohnson 0:e14364aac2ca 440 {
jacobjohnson 0:e14364aac2ca 441 sendCommand(SeeedGrayOLED_Inverse_Display_Cmd);
jacobjohnson 0:e14364aac2ca 442 }
jacobjohnson 0:e14364aac2ca 443
jacobjohnson 0:e14364aac2ca 444