Oled display settings for personal project
SSD1308.cpp@1:b7e8f5139026, 2012-07-21 (annotated)
- Committer:
- wim
- Date:
- Sat Jul 21 12:49:33 2012 +0000
- Revision:
- 1:b7e8f5139026
- Parent:
- 0:300d08d9b058
- Child:
- 2:16c84a134393
Added comments, Added progressbar
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
wim | 1:b7e8f5139026 | 1 | /** @file SSD1308 I2C device class file |
wim | 1:b7e8f5139026 | 2 | * Based on Solomon Systech SSD1308 datasheet, rev. 1, 10/2008 |
wim | 1:b7e8f5139026 | 3 | * The SSD1308 is used for example in the Seeed 128x64 OLED Display |
wim | 1:b7e8f5139026 | 4 | * http://www.seeedstudio.com/depot/grove-oled-display-12864-p-781.html?cPath=163_167 |
wim | 1:b7e8f5139026 | 5 | */ |
wim | 0:300d08d9b058 | 6 | // The original code by Andrew Schamp is using (and has been submitted as a part of) Jeff Rowberg's I2Cdevlib library, |
wim | 0:300d08d9b058 | 7 | // which should (hopefully) always be available at https://github.com/jrowberg/i2cdevlib |
wim | 0:300d08d9b058 | 8 | // Some parts also mashed up from Graphic Library for driving monochrome displays based on the PCD8544, |
wim | 0:300d08d9b058 | 9 | // Copyright (c) 2011, Wim De Roeve, who in turn did partial port of code found on |
wim | 0:300d08d9b058 | 10 | // http://serdisplib.sourceforge.net/ser/pcd8544.html#links and by Petras Saduikis <petras@petras.co.uk> |
wim | 0:300d08d9b058 | 11 | // |
wim | 0:300d08d9b058 | 12 | // Changelog: |
wim | 0:300d08d9b058 | 13 | // 2011-08-25 - Initial release by Andrew Schamp <schamp@gmail.com> |
wim | 0:300d08d9b058 | 14 | // 2012-06-19 - Ported to mbed and optimised (WH) |
wim | 0:300d08d9b058 | 15 | // |
wim | 1:b7e8f5139026 | 16 | /* |
wim | 1:b7e8f5139026 | 17 | ================================================================================ |
wim | 0:300d08d9b058 | 18 | I2Cdev device library code is placed under the MIT license |
wim | 0:300d08d9b058 | 19 | Copyright (c) 2011 Andrew Schamp |
wim | 0:300d08d9b058 | 20 | Copyright (c) 2012 WH (mbed port) |
wim | 0:300d08d9b058 | 21 | |
wim | 0:300d08d9b058 | 22 | Permission is hereby granted, free of charge, to any person obtaining a copy |
wim | 0:300d08d9b058 | 23 | of this software and associated documentation files (the "Software"), to deal |
wim | 0:300d08d9b058 | 24 | in the Software without restriction, including without limitation the rights |
wim | 0:300d08d9b058 | 25 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
wim | 0:300d08d9b058 | 26 | copies of the Software, and to permit persons to whom the Software is |
wim | 0:300d08d9b058 | 27 | furnished to do so, subject to the following conditions: |
wim | 0:300d08d9b058 | 28 | |
wim | 0:300d08d9b058 | 29 | The above copyright notice and this permission notice shall be included in |
wim | 0:300d08d9b058 | 30 | all copies or substantial portions of the Software. |
wim | 0:300d08d9b058 | 31 | |
wim | 0:300d08d9b058 | 32 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
wim | 0:300d08d9b058 | 33 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
wim | 0:300d08d9b058 | 34 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
wim | 0:300d08d9b058 | 35 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
wim | 0:300d08d9b058 | 36 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
wim | 0:300d08d9b058 | 37 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
wim | 0:300d08d9b058 | 38 | THE SOFTWARE. |
wim | 1:b7e8f5139026 | 39 | ================================================================================ |
wim | 0:300d08d9b058 | 40 | */ |
wim | 0:300d08d9b058 | 41 | #include "mbed.h" |
wim | 0:300d08d9b058 | 42 | #include "SSD1308.h" |
wim | 0:300d08d9b058 | 43 | |
wim | 0:300d08d9b058 | 44 | //#include "font_3x5.h" |
wim | 0:300d08d9b058 | 45 | //#include "font_5x7.h" |
wim | 0:300d08d9b058 | 46 | //#include "font_6x8.h" |
wim | 0:300d08d9b058 | 47 | #include "font_8x8.h" |
wim | 0:300d08d9b058 | 48 | //#include "font_8x12.h" |
wim | 0:300d08d9b058 | 49 | //#include "font_16x20.h" |
wim | 0:300d08d9b058 | 50 | #include "font_16x24.h" |
wim | 0:300d08d9b058 | 51 | |
wim | 1:b7e8f5139026 | 52 | /** |
wim | 1:b7e8f5139026 | 53 | *@brief Constructor |
wim | 1:b7e8f5139026 | 54 | *@param I2C &i2c reference to i2c |
wim | 1:b7e8f5139026 | 55 | *@param uint8_t deviceAddress slaveaddress |
wim | 1:b7e8f5139026 | 56 | */ |
wim | 0:300d08d9b058 | 57 | SSD1308::SSD1308(I2C &i2c, uint8_t deviceAddress) : _i2c(i2c) { |
wim | 0:300d08d9b058 | 58 | // m_devAddr = deviceAddress; |
wim | 0:300d08d9b058 | 59 | |
wim | 0:300d08d9b058 | 60 | _writeOpcode = deviceAddress & 0xFE; // low order bit = 0 for write |
wim | 0:300d08d9b058 | 61 | _readOpcode = deviceAddress | 0x01; // low order bit = 1 for read |
wim | 0:300d08d9b058 | 62 | |
wim | 0:300d08d9b058 | 63 | initialize(); |
wim | 0:300d08d9b058 | 64 | } |
wim | 0:300d08d9b058 | 65 | |
wim | 1:b7e8f5139026 | 66 | /** @brief High level Init, most settings remain at Power-On reset value |
wim | 1:b7e8f5139026 | 67 | */ |
wim | 0:300d08d9b058 | 68 | void SSD1308::initialize() { |
wim | 0:300d08d9b058 | 69 | setHorizontalAddressingMode(); |
wim | 0:300d08d9b058 | 70 | |
wim | 0:300d08d9b058 | 71 | clearDisplay(); |
wim | 0:300d08d9b058 | 72 | |
wim | 0:300d08d9b058 | 73 | setInverted(false); |
wim | 0:300d08d9b058 | 74 | |
wim | 0:300d08d9b058 | 75 | setDisplayOn(); |
wim | 0:300d08d9b058 | 76 | } |
wim | 0:300d08d9b058 | 77 | |
wim | 0:300d08d9b058 | 78 | |
wim | 1:b7e8f5139026 | 79 | /** @brief clear the display |
wim | 1:b7e8f5139026 | 80 | */ |
wim | 0:300d08d9b058 | 81 | #if(0) |
wim | 0:300d08d9b058 | 82 | // Standard version |
wim | 0:300d08d9b058 | 83 | void SSD1308::clearDisplay() { |
wim | 0:300d08d9b058 | 84 | |
wim | 0:300d08d9b058 | 85 | //setDisplayOff(); |
wim | 0:300d08d9b058 | 86 | setPageAddress(0, MAX_PAGE); // all pages |
wim | 0:300d08d9b058 | 87 | setColumnAddress(0, MAX_COL); // all columns |
wim | 0:300d08d9b058 | 88 | |
wim | 0:300d08d9b058 | 89 | for (uint8_t page = 0; page < PAGES; page++) { |
wim | 0:300d08d9b058 | 90 | for (uint8_t col = 0; col < COLUMNS; col++) { |
wim | 0:300d08d9b058 | 91 | _sendData(0x00); |
wim | 0:300d08d9b058 | 92 | } |
wim | 0:300d08d9b058 | 93 | } |
wim | 0:300d08d9b058 | 94 | |
wim | 0:300d08d9b058 | 95 | //setDisplayOn(); |
wim | 0:300d08d9b058 | 96 | } |
wim | 0:300d08d9b058 | 97 | #else |
wim | 0:300d08d9b058 | 98 | //Optimised version |
wim | 0:300d08d9b058 | 99 | // Save lots of I2C S,P, address and datacommands: |
wim | 0:300d08d9b058 | 100 | // Send S, address, DATA_MODE, data, data, data,...., P |
wim | 0:300d08d9b058 | 101 | // |
wim | 0:300d08d9b058 | 102 | void SSD1308::clearDisplay() { |
wim | 0:300d08d9b058 | 103 | |
wim | 0:300d08d9b058 | 104 | //setDisplayOff(); |
wim | 0:300d08d9b058 | 105 | |
wim | 0:300d08d9b058 | 106 | setPageAddress(0, MAX_PAGE); // all pages |
wim | 0:300d08d9b058 | 107 | setColumnAddress(0, MAX_COL); // all columns |
wim | 0:300d08d9b058 | 108 | |
wim | 0:300d08d9b058 | 109 | _i2c.start(); |
wim | 0:300d08d9b058 | 110 | _i2c.write(_writeOpcode); |
wim | 0:300d08d9b058 | 111 | _i2c.write(DATA_MODE); |
wim | 0:300d08d9b058 | 112 | for (int i=0; i<(PAGES * COLUMNS); i++) { |
wim | 0:300d08d9b058 | 113 | _i2c.write(0x00); // Write Data |
wim | 0:300d08d9b058 | 114 | } |
wim | 0:300d08d9b058 | 115 | _i2c.stop(); |
wim | 0:300d08d9b058 | 116 | |
wim | 0:300d08d9b058 | 117 | //setDisplayOn(); |
wim | 0:300d08d9b058 | 118 | } |
wim | 0:300d08d9b058 | 119 | #endif |
wim | 0:300d08d9b058 | 120 | |
wim | 0:300d08d9b058 | 121 | |
wim | 1:b7e8f5139026 | 122 | /** @brief fill the display |
wim | 1:b7e8f5139026 | 123 | * @param uint8_t pattern fillpattern vertical patch or 8 bits |
wim | 1:b7e8f5139026 | 124 | */ |
wim | 0:300d08d9b058 | 125 | #if(0) |
wim | 0:300d08d9b058 | 126 | //Standard version |
wim | 0:300d08d9b058 | 127 | void SSD1308::fillDisplay(uint8_t pattern) { |
wim | 0:300d08d9b058 | 128 | |
wim | 0:300d08d9b058 | 129 | //setDisplayOff(); |
wim | 0:300d08d9b058 | 130 | |
wim | 0:300d08d9b058 | 131 | setPageAddress(0, MAX_PAGE); // all pages |
wim | 0:300d08d9b058 | 132 | setColumnAddress(0, MAX_COL); // all columns |
wim | 0:300d08d9b058 | 133 | |
wim | 0:300d08d9b058 | 134 | for (uint8_t page = 0; page < PAGES; page++) { |
wim | 0:300d08d9b058 | 135 | for (uint8_t col = 0; col < COLUMNS; col++) { |
wim | 0:300d08d9b058 | 136 | _sendData(pattern); |
wim | 0:300d08d9b058 | 137 | } |
wim | 0:300d08d9b058 | 138 | } |
wim | 0:300d08d9b058 | 139 | |
wim | 0:300d08d9b058 | 140 | //setDisplayOn(); |
wim | 0:300d08d9b058 | 141 | } |
wim | 0:300d08d9b058 | 142 | #else |
wim | 0:300d08d9b058 | 143 | |
wim | 0:300d08d9b058 | 144 | //Optimised version |
wim | 0:300d08d9b058 | 145 | // Save lots of I2C S,P, address and datacommands: |
wim | 0:300d08d9b058 | 146 | // Send S, address, DATA_MODE, data, data, data,...., P |
wim | 0:300d08d9b058 | 147 | // |
wim | 0:300d08d9b058 | 148 | void SSD1308::fillDisplay(uint8_t pattern, |
wim | 0:300d08d9b058 | 149 | uint8_t start_page, uint8_t end_page, |
wim | 0:300d08d9b058 | 150 | uint8_t start_col, uint8_t end_col) { |
wim | 0:300d08d9b058 | 151 | |
wim | 0:300d08d9b058 | 152 | int count = (end_page - start_page + 1) * (end_col - start_col + 1); |
wim | 0:300d08d9b058 | 153 | |
wim | 0:300d08d9b058 | 154 | //setDisplayOff(); |
wim | 0:300d08d9b058 | 155 | setPageAddress(start_page, end_page); // set page window |
wim | 0:300d08d9b058 | 156 | setColumnAddress(start_col, end_col); // set column window |
wim | 0:300d08d9b058 | 157 | |
wim | 0:300d08d9b058 | 158 | _i2c.start(); |
wim | 0:300d08d9b058 | 159 | _i2c.write(_writeOpcode); |
wim | 0:300d08d9b058 | 160 | _i2c.write(DATA_MODE); |
wim | 0:300d08d9b058 | 161 | for (int i=0; i<count; i++) { |
wim | 0:300d08d9b058 | 162 | _i2c.write(pattern); // Write Data |
wim | 0:300d08d9b058 | 163 | } |
wim | 0:300d08d9b058 | 164 | _i2c.stop(); |
wim | 0:300d08d9b058 | 165 | |
wim | 0:300d08d9b058 | 166 | //setDisplayOn(); |
wim | 0:300d08d9b058 | 167 | } |
wim | 0:300d08d9b058 | 168 | |
wim | 0:300d08d9b058 | 169 | #endif |
wim | 0:300d08d9b058 | 170 | |
wim | 0:300d08d9b058 | 171 | |
wim | 1:b7e8f5139026 | 172 | /** @brief write a bitmap to the display |
wim | 1:b7e8f5139026 | 173 | * @param uint8_t* data pointer to bitmap |
wim | 1:b7e8f5139026 | 174 | * @param uint8_t start_page begin page (0..MAX_PAGE) |
wim | 1:b7e8f5139026 | 175 | * @param uint8_t end_page end page (start_page..MAX_PAGE) |
wim | 1:b7e8f5139026 | 176 | * @param uint8_t start_col begin column (0..MAX_COL) |
wim | 1:b7e8f5139026 | 177 | * @param uint8_t end_col end column (start_col..MAX_COL) |
wim | 1:b7e8f5139026 | 178 | */ |
wim | 0:300d08d9b058 | 179 | #if(0) |
wim | 0:300d08d9b058 | 180 | //Standard version |
wim | 0:300d08d9b058 | 181 | void SSD1308::writeBitmap(int len, uint8_t* data) { |
wim | 0:300d08d9b058 | 182 | |
wim | 0:300d08d9b058 | 183 | //setDisplayOff(); |
wim | 0:300d08d9b058 | 184 | setPageAddress(0, MAX_PAGE); // all pages |
wim | 0:300d08d9b058 | 185 | setColumnAddress(0, MAX_COL); // all columns |
wim | 0:300d08d9b058 | 186 | |
wim | 0:300d08d9b058 | 187 | _i2c.start(); |
wim | 0:300d08d9b058 | 188 | _i2c.write(_writeOpcode); |
wim | 0:300d08d9b058 | 189 | _i2c.write(DATA_MODE); |
wim | 0:300d08d9b058 | 190 | for (int i=0; i<len; i++) { |
wim | 0:300d08d9b058 | 191 | _i2c.write(data[i]); // Write Data |
wim | 0:300d08d9b058 | 192 | } |
wim | 0:300d08d9b058 | 193 | _i2c.stop(); |
wim | 0:300d08d9b058 | 194 | |
wim | 0:300d08d9b058 | 195 | //setDisplayOn(); |
wim | 0:300d08d9b058 | 196 | } |
wim | 0:300d08d9b058 | 197 | #else |
wim | 0:300d08d9b058 | 198 | |
wim | 0:300d08d9b058 | 199 | //Optimised version |
wim | 0:300d08d9b058 | 200 | // Save lots of I2C S,P, address and datacommands: |
wim | 0:300d08d9b058 | 201 | // Send S, address, DATA_MODE, data, data, data,...., P |
wim | 0:300d08d9b058 | 202 | // |
wim | 0:300d08d9b058 | 203 | void SSD1308::writeBitmap(uint8_t* data, |
wim | 0:300d08d9b058 | 204 | uint8_t start_page, uint8_t end_page, |
wim | 0:300d08d9b058 | 205 | uint8_t start_col, uint8_t end_col){ |
wim | 0:300d08d9b058 | 206 | |
wim | 0:300d08d9b058 | 207 | int count = (end_page - start_page + 1) * (end_col - start_col + 1); |
wim | 0:300d08d9b058 | 208 | |
wim | 0:300d08d9b058 | 209 | //setDisplayOff(); |
wim | 0:300d08d9b058 | 210 | setPageAddress(start_page, end_page); // set page window |
wim | 0:300d08d9b058 | 211 | setColumnAddress(start_col, end_col); // set column window |
wim | 0:300d08d9b058 | 212 | |
wim | 0:300d08d9b058 | 213 | _i2c.start(); |
wim | 0:300d08d9b058 | 214 | _i2c.write(_writeOpcode); |
wim | 0:300d08d9b058 | 215 | _i2c.write(DATA_MODE); |
wim | 0:300d08d9b058 | 216 | for (int i=0; i<count; i++) { |
wim | 0:300d08d9b058 | 217 | _i2c.write(data[i]); // Write Data |
wim | 0:300d08d9b058 | 218 | } |
wim | 0:300d08d9b058 | 219 | _i2c.stop(); |
wim | 0:300d08d9b058 | 220 | |
wim | 0:300d08d9b058 | 221 | //setDisplayOn(); |
wim | 0:300d08d9b058 | 222 | } |
wim | 0:300d08d9b058 | 223 | #endif |
wim | 0:300d08d9b058 | 224 | |
wim | 0:300d08d9b058 | 225 | |
wim | 1:b7e8f5139026 | 226 | /** @brief write a progressbar to the display, Max Width is 52 pixels |
wim | 1:b7e8f5139026 | 227 | * @param uint8_t page begin page (0..MAX_PAGE) |
wim | 1:b7e8f5139026 | 228 | * @param uint8_t col begin column (0..MAX_COL) |
wim | 1:b7e8f5139026 | 229 | * @param int percentage value (0..100) |
wim | 1:b7e8f5139026 | 230 | */ |
wim | 1:b7e8f5139026 | 231 | #define PRG_MAX_SCALE 50 |
wim | 1:b7e8f5139026 | 232 | #define PRG_LEFT_EDGE 0xFF |
wim | 1:b7e8f5139026 | 233 | #define PRG_RIGHT_EDGE 0xFF |
wim | 1:b7e8f5139026 | 234 | #define PRG_ACTIVE 0xFF |
wim | 1:b7e8f5139026 | 235 | #define PRG_NOT_ACTIVE 0x81 |
wim | 1:b7e8f5139026 | 236 | |
wim | 1:b7e8f5139026 | 237 | #if(0) |
wim | 1:b7e8f5139026 | 238 | //Standard version |
wim | 1:b7e8f5139026 | 239 | void SSD1308::writeProgressBar(uint8_t page, uint8_t col, int percentage) { |
wim | 1:b7e8f5139026 | 240 | uint8_t scale_value; |
wim | 1:b7e8f5139026 | 241 | |
wim | 1:b7e8f5139026 | 242 | if (percentage < 0) { |
wim | 1:b7e8f5139026 | 243 | scale_value = 0; |
wim | 1:b7e8f5139026 | 244 | } else if (percentage > 100) { |
wim | 1:b7e8f5139026 | 245 | scale_value = PRG_MAX_SCALE; |
wim | 1:b7e8f5139026 | 246 | } |
wim | 1:b7e8f5139026 | 247 | else { |
wim | 1:b7e8f5139026 | 248 | scale_value = (percentage * PRG_MAX_SCALE) / 100; |
wim | 1:b7e8f5139026 | 249 | } |
wim | 1:b7e8f5139026 | 250 | |
wim | 1:b7e8f5139026 | 251 | //setDisplayOff(); |
wim | 1:b7e8f5139026 | 252 | setPageAddress(page, page); |
wim | 1:b7e8f5139026 | 253 | setColumnAddress(col, MAX_COL); |
wim | 1:b7e8f5139026 | 254 | |
wim | 1:b7e8f5139026 | 255 | _sendData(PRG_LEFT_EDGE); |
wim | 1:b7e8f5139026 | 256 | |
wim | 1:b7e8f5139026 | 257 | for (uint8_t col = 0; col < scale_value; col++) { |
wim | 1:b7e8f5139026 | 258 | _sendData(PRG_ACTIVE); |
wim | 1:b7e8f5139026 | 259 | } |
wim | 1:b7e8f5139026 | 260 | |
wim | 1:b7e8f5139026 | 261 | for (uint8_t col = scale_value; col < PRG_MAX_SCALE; col++) { |
wim | 1:b7e8f5139026 | 262 | _sendData(PRG_NOT_ACTIVE); |
wim | 1:b7e8f5139026 | 263 | } |
wim | 1:b7e8f5139026 | 264 | |
wim | 1:b7e8f5139026 | 265 | _sendData(PRG_RIGHT_EDGE); |
wim | 1:b7e8f5139026 | 266 | |
wim | 1:b7e8f5139026 | 267 | //setDisplayOn(); |
wim | 1:b7e8f5139026 | 268 | } |
wim | 1:b7e8f5139026 | 269 | #else |
wim | 1:b7e8f5139026 | 270 | |
wim | 1:b7e8f5139026 | 271 | //Optimised version |
wim | 1:b7e8f5139026 | 272 | // Save lots of I2C S,P, address and datacommands: |
wim | 1:b7e8f5139026 | 273 | // Send S, address, DATA_MODE, data, data, data,...., P |
wim | 0:300d08d9b058 | 274 | // |
wim | 1:b7e8f5139026 | 275 | void SSD1308::writeProgressBar(uint8_t page, uint8_t col, int percentage) { |
wim | 1:b7e8f5139026 | 276 | uint8_t scale_value; |
wim | 1:b7e8f5139026 | 277 | |
wim | 1:b7e8f5139026 | 278 | if (percentage < 0) { |
wim | 1:b7e8f5139026 | 279 | scale_value = 0; |
wim | 1:b7e8f5139026 | 280 | } else if (percentage > 100) { |
wim | 1:b7e8f5139026 | 281 | scale_value = PRG_MAX_SCALE; |
wim | 1:b7e8f5139026 | 282 | } |
wim | 1:b7e8f5139026 | 283 | else { |
wim | 1:b7e8f5139026 | 284 | scale_value = (percentage * PRG_MAX_SCALE) / 100; |
wim | 1:b7e8f5139026 | 285 | } |
wim | 1:b7e8f5139026 | 286 | |
wim | 1:b7e8f5139026 | 287 | //setDisplayOff(); |
wim | 1:b7e8f5139026 | 288 | setPageAddress(page, page); |
wim | 1:b7e8f5139026 | 289 | setColumnAddress(col, MAX_COL); |
wim | 1:b7e8f5139026 | 290 | |
wim | 1:b7e8f5139026 | 291 | _i2c.start(); |
wim | 1:b7e8f5139026 | 292 | _i2c.write(_writeOpcode); |
wim | 1:b7e8f5139026 | 293 | _i2c.write(DATA_MODE); |
wim | 1:b7e8f5139026 | 294 | |
wim | 1:b7e8f5139026 | 295 | _i2c.write(PRG_LEFT_EDGE); // Write Data |
wim | 1:b7e8f5139026 | 296 | |
wim | 1:b7e8f5139026 | 297 | for (uint8_t col = 0; col < scale_value; col++) { |
wim | 1:b7e8f5139026 | 298 | _i2c.write(PRG_ACTIVE); // Write Data |
wim | 1:b7e8f5139026 | 299 | } |
wim | 1:b7e8f5139026 | 300 | |
wim | 1:b7e8f5139026 | 301 | for (uint8_t col = scale_value; col < PRG_MAX_SCALE; col++) { |
wim | 1:b7e8f5139026 | 302 | _i2c.write(PRG_NOT_ACTIVE); // Write Data |
wim | 1:b7e8f5139026 | 303 | } |
wim | 1:b7e8f5139026 | 304 | |
wim | 1:b7e8f5139026 | 305 | _i2c.write(PRG_RIGHT_EDGE); // Write Data |
wim | 1:b7e8f5139026 | 306 | |
wim | 1:b7e8f5139026 | 307 | _i2c.stop(); |
wim | 1:b7e8f5139026 | 308 | |
wim | 1:b7e8f5139026 | 309 | //setDisplayOn(); |
wim | 1:b7e8f5139026 | 310 | } |
wim | 1:b7e8f5139026 | 311 | #endif |
wim | 1:b7e8f5139026 | 312 | |
wim | 1:b7e8f5139026 | 313 | |
wim | 1:b7e8f5139026 | 314 | |
wim | 1:b7e8f5139026 | 315 | |
wim | 1:b7e8f5139026 | 316 | /** @brief Write single character to the display using the 8x8 fontable |
wim | 1:b7e8f5139026 | 317 | * @brief Start at current cursor location |
wim | 1:b7e8f5139026 | 318 | * @param char chr character to write |
wim | 1:b7e8f5139026 | 319 | */ |
wim | 0:300d08d9b058 | 320 | void SSD1308::writeChar(char chr) { |
wim | 0:300d08d9b058 | 321 | |
wim | 0:300d08d9b058 | 322 | const uint8_t char_index = chr - 0x20; |
wim | 0:300d08d9b058 | 323 | |
wim | 0:300d08d9b058 | 324 | for (uint8_t i = 0; i < 8; i++) { |
wim | 0:300d08d9b058 | 325 | if (_inverted) { |
wim | 0:300d08d9b058 | 326 | _sendData( ~font_8x8[char_index][i] ); |
wim | 0:300d08d9b058 | 327 | } |
wim | 0:300d08d9b058 | 328 | else { |
wim | 0:300d08d9b058 | 329 | _sendData( font_8x8[char_index][i] ); |
wim | 0:300d08d9b058 | 330 | } |
wim | 0:300d08d9b058 | 331 | } |
wim | 0:300d08d9b058 | 332 | |
wim | 0:300d08d9b058 | 333 | } |
wim | 0:300d08d9b058 | 334 | |
wim | 0:300d08d9b058 | 335 | |
wim | 1:b7e8f5139026 | 336 | /** @brief Write a string to the display using the 8x8 font |
wim | 1:b7e8f5139026 | 337 | * @brief Start at selected cursor location |
wim | 1:b7e8f5139026 | 338 | * @param uint8_t row row number (0...ROWS/FONT_HEIGHT) |
wim | 1:b7e8f5139026 | 339 | * @param uint8_t col column number (0...COLUMNS/FONT_WIDTH) |
wim | 1:b7e8f5139026 | 340 | * @param uint16_t len number of chars in text |
wim | 1:b7e8f5139026 | 341 | * @param const char * text pointer to text |
wim | 1:b7e8f5139026 | 342 | */ |
wim | 0:300d08d9b058 | 343 | void SSD1308::writeString(uint8_t row, uint8_t col, uint16_t len, const char * text) { |
wim | 0:300d08d9b058 | 344 | uint16_t index = 0; |
wim | 0:300d08d9b058 | 345 | setPageAddress(row, MAX_PAGE); |
wim | 0:300d08d9b058 | 346 | const uint8_t col_addr = FONT8x8_WIDTH*col; |
wim | 0:300d08d9b058 | 347 | setColumnAddress(col_addr, MAX_COL); |
wim | 0:300d08d9b058 | 348 | |
wim | 0:300d08d9b058 | 349 | while ((col+index) < CHARS && (index < len)) { |
wim | 0:300d08d9b058 | 350 | // write first line, starting at given position |
wim | 0:300d08d9b058 | 351 | writeChar(text[index++]); |
wim | 0:300d08d9b058 | 352 | } |
wim | 0:300d08d9b058 | 353 | |
wim | 0:300d08d9b058 | 354 | // write remaining lines |
wim | 0:300d08d9b058 | 355 | // write until the end of memory |
wim | 0:300d08d9b058 | 356 | // then wrap around again from the top. |
wim | 0:300d08d9b058 | 357 | if (index + 1 < len) { |
wim | 0:300d08d9b058 | 358 | setPageAddress(row + 1, MAX_PAGE); |
wim | 0:300d08d9b058 | 359 | setColumnAddress(0, MAX_COL); |
wim | 0:300d08d9b058 | 360 | bool wrapEntireScreen = false; |
wim | 0:300d08d9b058 | 361 | while (index + 1 < len) { |
wim | 0:300d08d9b058 | 362 | writeChar(text[index++]); |
wim | 0:300d08d9b058 | 363 | // if we've written the last character space on the screen, |
wim | 0:300d08d9b058 | 364 | // reset the page and column address so that it wraps around from the top again |
wim | 0:300d08d9b058 | 365 | if (!wrapEntireScreen && (row*CHARS + col + index) > 127) { |
wim | 0:300d08d9b058 | 366 | setPageAddress(0, MAX_PAGE); |
wim | 0:300d08d9b058 | 367 | setColumnAddress(0, MAX_COL); |
wim | 0:300d08d9b058 | 368 | wrapEntireScreen = true; |
wim | 0:300d08d9b058 | 369 | } |
wim | 0:300d08d9b058 | 370 | } |
wim | 0:300d08d9b058 | 371 | } |
wim | 0:300d08d9b058 | 372 | } |
wim | 0:300d08d9b058 | 373 | |
wim | 0:300d08d9b058 | 374 | |
wim | 0:300d08d9b058 | 375 | |
wim | 1:b7e8f5139026 | 376 | /** @brief Write large character (16x24 font) |
wim | 1:b7e8f5139026 | 377 | * @param uint8_t row row number (0...MAX_ROW) |
wim | 1:b7e8f5139026 | 378 | * @param uint8_t col column number (0...MAX_COL) |
wim | 1:b7e8f5139026 | 379 | * @param char chr Used for displaying numbers 0 - 9 and '+', '-', '.' |
wim | 1:b7e8f5139026 | 380 | */ |
wim | 0:300d08d9b058 | 381 | void SSD1308::writeBigChar(uint8_t row, uint8_t col, char chr) { |
wim | 0:300d08d9b058 | 382 | |
wim | 0:300d08d9b058 | 383 | writeBitmap((uint8_t*) font_16x24[int(chr) - FONT16x24_START], |
wim | 0:300d08d9b058 | 384 | row, (row + FONT16x24_BYTES - 1), |
wim | 0:300d08d9b058 | 385 | col, (col + FONT16x24_WIDTH - 1)); |
wim | 0:300d08d9b058 | 386 | } |
wim | 0:300d08d9b058 | 387 | |
wim | 0:300d08d9b058 | 388 | |
wim | 1:b7e8f5139026 | 389 | /** @brief Write command that has no parameters |
wim | 1:b7e8f5139026 | 390 | */ |
wim | 0:300d08d9b058 | 391 | void SSD1308::_sendCommand(uint8_t command) { |
wim | 0:300d08d9b058 | 392 | // I2Cdev::writeByte(m_devAddr, COMMAND_MODE, command); |
wim | 0:300d08d9b058 | 393 | |
wim | 0:300d08d9b058 | 394 | #if(0) |
wim | 0:300d08d9b058 | 395 | char databytes[2]; |
wim | 0:300d08d9b058 | 396 | |
wim | 0:300d08d9b058 | 397 | databytes[0] = COMMAND_MODE; |
wim | 0:300d08d9b058 | 398 | databytes[1] = command; |
wim | 0:300d08d9b058 | 399 | _i2c.write(_writeOpcode, databytes, 2); // Write command |
wim | 0:300d08d9b058 | 400 | #endif |
wim | 0:300d08d9b058 | 401 | |
wim | 0:300d08d9b058 | 402 | _i2c.start(); |
wim | 0:300d08d9b058 | 403 | _i2c.write(_writeOpcode); |
wim | 0:300d08d9b058 | 404 | |
wim | 0:300d08d9b058 | 405 | _i2c.write(COMMAND_MODE); |
wim | 0:300d08d9b058 | 406 | _i2c.write(command); // Write Command |
wim | 0:300d08d9b058 | 407 | |
wim | 0:300d08d9b058 | 408 | _i2c.stop(); |
wim | 0:300d08d9b058 | 409 | |
wim | 0:300d08d9b058 | 410 | } |
wim | 0:300d08d9b058 | 411 | |
wim | 1:b7e8f5139026 | 412 | /** @brief Write command that has one parameter |
wim | 1:b7e8f5139026 | 413 | */ |
wim | 0:300d08d9b058 | 414 | void SSD1308::_sendCommand(uint8_t command, uint8_t param1) { |
wim | 0:300d08d9b058 | 415 | |
wim | 0:300d08d9b058 | 416 | // Note continuationbit is set, so COMMAND_MODE must be |
wim | 0:300d08d9b058 | 417 | // repeated before each databyte that serves as parameter! |
wim | 0:300d08d9b058 | 418 | |
wim | 0:300d08d9b058 | 419 | _i2c.start(); |
wim | 0:300d08d9b058 | 420 | _i2c.write(_writeOpcode); |
wim | 0:300d08d9b058 | 421 | |
wim | 0:300d08d9b058 | 422 | _i2c.write(COMMAND_MODE); |
wim | 0:300d08d9b058 | 423 | _i2c.write(command); // Write Command |
wim | 0:300d08d9b058 | 424 | _i2c.write(COMMAND_MODE); |
wim | 0:300d08d9b058 | 425 | _i2c.write(param1); // Write Param1 |
wim | 0:300d08d9b058 | 426 | |
wim | 0:300d08d9b058 | 427 | _i2c.stop(); |
wim | 0:300d08d9b058 | 428 | |
wim | 0:300d08d9b058 | 429 | } |
wim | 0:300d08d9b058 | 430 | |
wim | 1:b7e8f5139026 | 431 | /** @brief Write command that has two parameters |
wim | 1:b7e8f5139026 | 432 | */ |
wim | 0:300d08d9b058 | 433 | void SSD1308::_sendCommand(uint8_t command, uint8_t param1, uint8_t param2) { |
wim | 0:300d08d9b058 | 434 | |
wim | 0:300d08d9b058 | 435 | // Note continuationbit is set, so COMMAND_MODE must be |
wim | 0:300d08d9b058 | 436 | // repeated before each databyte that serves as parameter! |
wim | 0:300d08d9b058 | 437 | |
wim | 0:300d08d9b058 | 438 | _i2c.start(); |
wim | 0:300d08d9b058 | 439 | _i2c.write(_writeOpcode); |
wim | 0:300d08d9b058 | 440 | |
wim | 0:300d08d9b058 | 441 | _i2c.write(COMMAND_MODE); |
wim | 0:300d08d9b058 | 442 | _i2c.write(command); // Write Command |
wim | 0:300d08d9b058 | 443 | _i2c.write(COMMAND_MODE); |
wim | 0:300d08d9b058 | 444 | _i2c.write(param1); // Write Param1 |
wim | 0:300d08d9b058 | 445 | _i2c.write(COMMAND_MODE); |
wim | 0:300d08d9b058 | 446 | _i2c.write(param2); // Write Param2 |
wim | 0:300d08d9b058 | 447 | |
wim | 0:300d08d9b058 | 448 | _i2c.stop(); |
wim | 0:300d08d9b058 | 449 | |
wim | 0:300d08d9b058 | 450 | } |
wim | 0:300d08d9b058 | 451 | |
wim | 0:300d08d9b058 | 452 | #if(0) |
wim | 1:b7e8f5139026 | 453 | /** @brief Write command that has multiple parameters |
wim | 1:b7e8f5139026 | 454 | */ |
wim | 0:300d08d9b058 | 455 | void SSD1308::_sendCommands(uint8_t len, uint8_t* commands) { |
wim | 0:300d08d9b058 | 456 | |
wim | 0:300d08d9b058 | 457 | // I2Cdev::writeBytes(m_devAddr, COMMAND_MODE, len, commands); |
wim | 0:300d08d9b058 | 458 | // Note this original code is not correct, continuationbit is set, |
wim | 0:300d08d9b058 | 459 | // so COMMAND_MODE must be repeated before each databyte that serves as parameter! |
wim | 0:300d08d9b058 | 460 | |
wim | 0:300d08d9b058 | 461 | _i2c.start(); |
wim | 0:300d08d9b058 | 462 | _i2c.write(_writeOpcode); |
wim | 0:300d08d9b058 | 463 | |
wim | 0:300d08d9b058 | 464 | for (int i=0; i<len ; i++) { |
wim | 0:300d08d9b058 | 465 | _i2c.write(COMMAND_MODE); |
wim | 0:300d08d9b058 | 466 | _i2c.write(commands[i]); // Write Commands |
wim | 0:300d08d9b058 | 467 | } |
wim | 0:300d08d9b058 | 468 | _i2c.stop(); |
wim | 0:300d08d9b058 | 469 | |
wim | 0:300d08d9b058 | 470 | } |
wim | 0:300d08d9b058 | 471 | #endif |
wim | 0:300d08d9b058 | 472 | |
wim | 1:b7e8f5139026 | 473 | /** @brief Write databyte to display |
wim | 1:b7e8f5139026 | 474 | * @brief Start at current cursor location |
wim | 1:b7e8f5139026 | 475 | * @param uint8_t data databyte to write |
wim | 1:b7e8f5139026 | 476 | */ |
wim | 0:300d08d9b058 | 477 | void SSD1308::_sendData(uint8_t data){ |
wim | 0:300d08d9b058 | 478 | // I2Cdev::writeByte(m_devAddr, DATA_MODE, data); |
wim | 0:300d08d9b058 | 479 | |
wim | 0:300d08d9b058 | 480 | char databytes[2]; |
wim | 0:300d08d9b058 | 481 | |
wim | 0:300d08d9b058 | 482 | databytes[0] = DATA_MODE; |
wim | 0:300d08d9b058 | 483 | databytes[1] = data; |
wim | 0:300d08d9b058 | 484 | _i2c.write(_writeOpcode, databytes, 2); // Write Data |
wim | 0:300d08d9b058 | 485 | |
wim | 0:300d08d9b058 | 486 | } |
wim | 0:300d08d9b058 | 487 | |
wim | 1:b7e8f5139026 | 488 | /** @brief Write len bytes from buffer data to display, |
wim | 1:b7e8f5139026 | 489 | * @brief Start at current cursor location |
wim | 1:b7e8f5139026 | 490 | * @param uint8_t len number of bytes to write |
wim | 1:b7e8f5139026 | 491 | * @param uint8_t* data pointer to data |
wim | 1:b7e8f5139026 | 492 | */ |
wim | 0:300d08d9b058 | 493 | void SSD1308::_sendData(uint8_t len, uint8_t* data) { |
wim | 0:300d08d9b058 | 494 | // I2Cdev::writeBytes(m_devAddr, DATA_MODE, len, data); |
wim | 0:300d08d9b058 | 495 | |
wim | 0:300d08d9b058 | 496 | _i2c.start(); |
wim | 0:300d08d9b058 | 497 | _i2c.write(_writeOpcode); |
wim | 0:300d08d9b058 | 498 | _i2c.write(DATA_MODE); |
wim | 0:300d08d9b058 | 499 | for (int i=0; i<len ; i++) { |
wim | 0:300d08d9b058 | 500 | _i2c.write(data[i]); // Write Data |
wim | 0:300d08d9b058 | 501 | } |
wim | 0:300d08d9b058 | 502 | _i2c.stop(); |
wim | 0:300d08d9b058 | 503 | |
wim | 0:300d08d9b058 | 504 | } |
wim | 0:300d08d9b058 | 505 | |
wim | 0:300d08d9b058 | 506 | |
wim | 0:300d08d9b058 | 507 | |
wim | 0:300d08d9b058 | 508 | void SSD1308::setHorizontalAddressingMode(){ |
wim | 0:300d08d9b058 | 509 | setMemoryAddressingMode(HORIZONTAL_ADDRESSING_MODE); |
wim | 0:300d08d9b058 | 510 | } |
wim | 0:300d08d9b058 | 511 | |
wim | 0:300d08d9b058 | 512 | void SSD1308::setVerticalAddressingMode() { |
wim | 0:300d08d9b058 | 513 | setMemoryAddressingMode(VERTICAL_ADDRESSING_MODE); |
wim | 0:300d08d9b058 | 514 | } |
wim | 0:300d08d9b058 | 515 | |
wim | 0:300d08d9b058 | 516 | void SSD1308::setPageAddressingMode(){ |
wim | 0:300d08d9b058 | 517 | setMemoryAddressingMode(PAGE_ADDRESSING_MODE); |
wim | 0:300d08d9b058 | 518 | } |
wim | 0:300d08d9b058 | 519 | |
wim | 0:300d08d9b058 | 520 | void SSD1308::setMemoryAddressingMode(uint8_t mode){ |
wim | 0:300d08d9b058 | 521 | |
wim | 0:300d08d9b058 | 522 | _sendCommand(SET_MEMORY_ADDRESSING_MODE, mode); |
wim | 0:300d08d9b058 | 523 | } |
wim | 0:300d08d9b058 | 524 | |
wim | 0:300d08d9b058 | 525 | |
wim | 1:b7e8f5139026 | 526 | /** @param uint8_t start startpage (valid range 0..MAX_PAGE) |
wim | 1:b7e8f5139026 | 527 | * @param uint8_t end endpage (valid range start..MAX_PAGE) |
wim | 1:b7e8f5139026 | 528 | */ |
wim | 0:300d08d9b058 | 529 | void SSD1308::setPageAddress(uint8_t start, uint8_t end) { |
wim | 0:300d08d9b058 | 530 | |
wim | 0:300d08d9b058 | 531 | _sendCommand(SET_PAGE_ADDRESS, start, end); |
wim | 0:300d08d9b058 | 532 | } |
wim | 0:300d08d9b058 | 533 | |
wim | 0:300d08d9b058 | 534 | |
wim | 1:b7e8f5139026 | 535 | /** @param uint8_t start startcolumn (valid range 0..MAX_COL) |
wim | 1:b7e8f5139026 | 536 | * @param uint8_t end endcolumn (valid range start..MAX_COL) |
wim | 1:b7e8f5139026 | 537 | */ |
wim | 0:300d08d9b058 | 538 | void SSD1308::setColumnAddress(uint8_t start, uint8_t end) { |
wim | 0:300d08d9b058 | 539 | |
wim | 0:300d08d9b058 | 540 | _sendCommand(SET_COLUMN_ADDRESS, start, end); |
wim | 0:300d08d9b058 | 541 | } |
wim | 0:300d08d9b058 | 542 | |
wim | 1:b7e8f5139026 | 543 | /** @brief Set Contrast |
wim | 1:b7e8f5139026 | 544 | * @param uint8_t contrast (valid range 0x00 (lowest) - 0xFF (highest)) |
wim | 1:b7e8f5139026 | 545 | */ |
wim | 0:300d08d9b058 | 546 | void SSD1308::setContrastControl(uint8_t contrast) { |
wim | 0:300d08d9b058 | 547 | |
wim | 0:300d08d9b058 | 548 | _sendCommand(SET_CONTRAST, contrast); |
wim | 0:300d08d9b058 | 549 | } |
wim | 0:300d08d9b058 | 550 | |
wim | 1:b7e8f5139026 | 551 | /** @brief Enable Display |
wim | 1:b7e8f5139026 | 552 | */ |
wim | 0:300d08d9b058 | 553 | void SSD1308::setDisplayOn() { |
wim | 0:300d08d9b058 | 554 | _sendCommand(SET_DISPLAY_POWER_ON); |
wim | 0:300d08d9b058 | 555 | } |
wim | 0:300d08d9b058 | 556 | |
wim | 1:b7e8f5139026 | 557 | /** @brief Disable Display |
wim | 1:b7e8f5139026 | 558 | */ |
wim | 0:300d08d9b058 | 559 | void SSD1308::setDisplayOff() { |
wim | 0:300d08d9b058 | 560 | _sendCommand(SET_DISPLAY_POWER_OFF); |
wim | 0:300d08d9b058 | 561 | } |
wim | 0:300d08d9b058 | 562 | |
wim | 1:b7e8f5139026 | 563 | /** @brief Enable or Disable Display |
wim | 1:b7e8f5139026 | 564 | * @param bool on |
wim | 1:b7e8f5139026 | 565 | */ |
wim | 0:300d08d9b058 | 566 | void SSD1308::setDisplayPower(bool on) { |
wim | 0:300d08d9b058 | 567 | if (on) { |
wim | 0:300d08d9b058 | 568 | setDisplayOn(); |
wim | 0:300d08d9b058 | 569 | } else { |
wim | 0:300d08d9b058 | 570 | setDisplayOff(); |
wim | 0:300d08d9b058 | 571 | } |
wim | 0:300d08d9b058 | 572 | } |
wim | 0:300d08d9b058 | 573 | |
wim | 1:b7e8f5139026 | 574 | /** @brief Show White pixels on Black background |
wim | 1:b7e8f5139026 | 575 | */ |
wim | 0:300d08d9b058 | 576 | void SSD1308::setDisplayNormal() { |
wim | 0:300d08d9b058 | 577 | _sendCommand(SET_NORMAL_DISPLAY); |
wim | 0:300d08d9b058 | 578 | } |
wim | 0:300d08d9b058 | 579 | |
wim | 1:b7e8f5139026 | 580 | /** @brief Show Black pixels on White background |
wim | 1:b7e8f5139026 | 581 | */ |
wim | 0:300d08d9b058 | 582 | void SSD1308::setDisplayInverse() { |
wim | 0:300d08d9b058 | 583 | _sendCommand(SET_INVERSE_DISPLAY); |
wim | 0:300d08d9b058 | 584 | } |
wim | 0:300d08d9b058 | 585 | |
wim | 1:b7e8f5139026 | 586 | /** @brief Blink display by fading in and out over a set number of frames |
wim | 1:b7e8f5139026 | 587 | * @param bool on |
wim | 1:b7e8f5139026 | 588 | */ |
wim | 0:300d08d9b058 | 589 | void SSD1308::setDisplayBlink(bool on){ |
wim | 0:300d08d9b058 | 590 | if (on) { |
wim | 0:300d08d9b058 | 591 | _sendCommand(SET_FADE_BLINK, (BLINK_ENABLE | FADE_INTERVAL_128_FRAMES)); |
wim | 0:300d08d9b058 | 592 | } |
wim | 0:300d08d9b058 | 593 | else { |
wim | 0:300d08d9b058 | 594 | _sendCommand(SET_FADE_BLINK, FADE_BLINK_DISABLE); |
wim | 0:300d08d9b058 | 595 | } |
wim | 0:300d08d9b058 | 596 | } |
wim | 0:300d08d9b058 | 597 | |
wim | 0:300d08d9b058 | 598 | |
wim | 1:b7e8f5139026 | 599 | /** @brief Fade out display in set number of frames |
wim | 1:b7e8f5139026 | 600 | * @param bool on |
wim | 1:b7e8f5139026 | 601 | */ |
wim | 0:300d08d9b058 | 602 | void SSD1308::setDisplayFade(bool on) { |
wim | 0:300d08d9b058 | 603 | if (on) { |
wim | 0:300d08d9b058 | 604 | _sendCommand(SET_FADE_BLINK, (FADE_OUT_ENABLE | FADE_INTERVAL_128_FRAMES)); |
wim | 0:300d08d9b058 | 605 | } |
wim | 0:300d08d9b058 | 606 | else { |
wim | 0:300d08d9b058 | 607 | _sendCommand(SET_FADE_BLINK, FADE_BLINK_DISABLE); |
wim | 0:300d08d9b058 | 608 | } |
wim | 0:300d08d9b058 | 609 | } |
wim | 0:300d08d9b058 | 610 | |
wim | 1:b7e8f5139026 | 611 | /** @brief Display Flip (Left/Right, Up/Down) |
wim | 1:b7e8f5139026 | 612 | * @param bool left flip Left/Right |
wim | 1:b7e8f5139026 | 613 | * @param bool down flip Up/Down |
wim | 1:b7e8f5139026 | 614 | */ |
wim | 0:300d08d9b058 | 615 | void SSD1308::setDisplayFlip(bool left, bool down) { |
wim | 0:300d08d9b058 | 616 | if (left) { |
wim | 0:300d08d9b058 | 617 | // column address 0 is mapped to SEG0 (Reset) |
wim | 0:300d08d9b058 | 618 | _sendCommand(SET_SEGMENT_REMAP_0); |
wim | 0:300d08d9b058 | 619 | } |
wim | 0:300d08d9b058 | 620 | else { |
wim | 0:300d08d9b058 | 621 | // column address 127 is mapped to SEG0 |
wim | 0:300d08d9b058 | 622 | _sendCommand(SET_SEGMENT_REMAP_127); |
wim | 0:300d08d9b058 | 623 | } |
wim | 0:300d08d9b058 | 624 | |
wim | 0:300d08d9b058 | 625 | if (down) { |
wim | 0:300d08d9b058 | 626 | // Reset mode |
wim | 0:300d08d9b058 | 627 | _sendCommand(SET_COMMON_REMAP_0); |
wim | 0:300d08d9b058 | 628 | } |
wim | 0:300d08d9b058 | 629 | else { |
wim | 0:300d08d9b058 | 630 | // Flip Up/Down (Need to rewrite display before H effect shows) |
wim | 0:300d08d9b058 | 631 | _sendCommand(SET_COMMON_REMAP_63); |
wim | 0:300d08d9b058 | 632 | } |
wim | 0:300d08d9b058 | 633 | |
wim | 0:300d08d9b058 | 634 | } |
wim | 0:300d08d9b058 | 635 | |
wim | 1:b7e8f5139026 | 636 | /** @brief Sets Internal Iref |
wim | 1:b7e8f5139026 | 637 | */ |
wim | 0:300d08d9b058 | 638 | void SSD1308::setInternalIref() { |
wim | 0:300d08d9b058 | 639 | // uint8_t cmds[2] = {SET_IREF_SELECTION, INTERNAL_IREF}; |
wim | 0:300d08d9b058 | 640 | // _sendCommands(2, cmds); |
wim | 0:300d08d9b058 | 641 | |
wim | 0:300d08d9b058 | 642 | _sendCommand(SET_IREF_SELECTION, INTERNAL_IREF); |
wim | 0:300d08d9b058 | 643 | } |
wim | 0:300d08d9b058 | 644 | |
wim | 1:b7e8f5139026 | 645 | /** @brief Sets External Iref (default) |
wim | 1:b7e8f5139026 | 646 | */ |
wim | 0:300d08d9b058 | 647 | void SSD1308::setExternalIref() { |
wim | 0:300d08d9b058 | 648 | // uint8_t cmds[2] = {SET_IREF_SELECTION, EXTERNAL_IREF}; |
wim | 0:300d08d9b058 | 649 | // _sendCommands(2, cmds); |
wim | 0:300d08d9b058 | 650 | _sendCommand(SET_IREF_SELECTION, EXTERNAL_IREF); |
wim | 0:300d08d9b058 | 651 | } |
wim | 0:300d08d9b058 | 652 | |
wim | 0:300d08d9b058 | 653 | |
wim | 1:b7e8f5139026 | 654 | /** @brief Low level Init |
wim | 1:b7e8f5139026 | 655 | * @brief Init the configuration registers in accordance with the datasheet |
wim | 1:b7e8f5139026 | 656 | */ |
wim | 0:300d08d9b058 | 657 | void SSD1308::_init() { |
wim | 0:300d08d9b058 | 658 | |
wim | 0:300d08d9b058 | 659 | //not complete yet |
wim | 0:300d08d9b058 | 660 | _sendCommand(SET_DISPLAY_POWER_OFF); |
wim | 0:300d08d9b058 | 661 | |
wim | 0:300d08d9b058 | 662 | // column address 0 is mapped to SEG0 (Reset) |
wim | 0:300d08d9b058 | 663 | // row address 0 is mapped to COMM0 (Reset) |
wim | 0:300d08d9b058 | 664 | _sendCommand(SET_SEGMENT_REMAP_0); |
wim | 0:300d08d9b058 | 665 | _sendCommand(SET_COMMON_REMAP_0); |
wim | 0:300d08d9b058 | 666 | |
wim | 0:300d08d9b058 | 667 | _sendCommand(SET_COMMON_CONF, COMMON_BASE | COMMON_ALTERNATIVE | COMMON_LEFTRIGHT_NORMAL); |
wim | 0:300d08d9b058 | 668 | |
wim | 0:300d08d9b058 | 669 | setHorizontalAddressingMode(); // (Non-Reset) |
wim | 0:300d08d9b058 | 670 | |
wim | 0:300d08d9b058 | 671 | setExternalIref(); // (Reset) |
wim | 0:300d08d9b058 | 672 | |
wim | 0:300d08d9b058 | 673 | _sendCommand(SET_CONTRAST, 0x7F); // (Reset) |
wim | 0:300d08d9b058 | 674 | |
wim | 0:300d08d9b058 | 675 | _sendCommand(SET_NORMAL_DISPLAY); |
wim | 0:300d08d9b058 | 676 | |
wim | 0:300d08d9b058 | 677 | clearDisplay(); |
wim | 0:300d08d9b058 | 678 | |
wim | 0:300d08d9b058 | 679 | _sendCommand(SET_DISPLAY_POWER_ON); |
wim | 0:300d08d9b058 | 680 | } |
wim | 0:300d08d9b058 | 681 |