display funciona!
Dependents: 2018_I2C_LCD_03 TBI_FIAT_FEEDFORWARD Ignition Can_between_NUCLEOS_LCD ... more
Fork of TextLCD by
TextLCD.cpp@11:9ec02df863a1, 2013-02-05 (annotated)
- Committer:
- wim
- Date:
- Tue Feb 05 21:03:43 2013 +0000
- Revision:
- 11:9ec02df863a1
- Parent:
- 10:dd9b3a696acd
- Child:
- 12:6bf9d9957d31
Added User Defined Character support
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
simon | 1:ac48b187213c | 1 | /* mbed TextLCD Library, for a 4-bit LCD based on HD44780 |
simon | 6:e4cb7ddee0d3 | 2 | * Copyright (c) 2007-2010, sford, http://mbed.org |
wim | 8:03116f75b66e | 3 | * 2013, WH, Updated LCD types and fixed lcd address issues |
simon | 1:ac48b187213c | 4 | * |
simon | 1:ac48b187213c | 5 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
simon | 1:ac48b187213c | 6 | * of this software and associated documentation files (the "Software"), to deal |
simon | 1:ac48b187213c | 7 | * in the Software without restriction, including without limitation the rights |
simon | 1:ac48b187213c | 8 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
simon | 1:ac48b187213c | 9 | * copies of the Software, and to permit persons to whom the Software is |
simon | 1:ac48b187213c | 10 | * furnished to do so, subject to the following conditions: |
simon | 1:ac48b187213c | 11 | * |
simon | 1:ac48b187213c | 12 | * The above copyright notice and this permission notice shall be included in |
simon | 1:ac48b187213c | 13 | * all copies or substantial portions of the Software. |
simon | 1:ac48b187213c | 14 | * |
simon | 1:ac48b187213c | 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
simon | 1:ac48b187213c | 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
simon | 1:ac48b187213c | 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
simon | 1:ac48b187213c | 18 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
simon | 1:ac48b187213c | 19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
simon | 1:ac48b187213c | 20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
simon | 1:ac48b187213c | 21 | * THE SOFTWARE. |
simon | 1:ac48b187213c | 22 | */ |
simon | 1:ac48b187213c | 23 | |
simon | 1:ac48b187213c | 24 | #include "TextLCD.h" |
simon | 1:ac48b187213c | 25 | #include "mbed.h" |
simon | 1:ac48b187213c | 26 | |
simon | 7:44f34c09bd37 | 27 | TextLCD::TextLCD(PinName rs, PinName e, PinName d4, PinName d5, |
simon | 7:44f34c09bd37 | 28 | PinName d6, PinName d7, LCDType type) : _rs(rs), |
simon | 7:44f34c09bd37 | 29 | _e(e), _d(d4, d5, d6, d7), |
simon | 1:ac48b187213c | 30 | _type(type) { |
simon | 1:ac48b187213c | 31 | |
simon | 1:ac48b187213c | 32 | _e = 1; |
simon | 1:ac48b187213c | 33 | _rs = 0; // command mode |
simon | 1:ac48b187213c | 34 | |
simon | 1:ac48b187213c | 35 | wait(0.015); // Wait 15ms to ensure powered up |
simon | 1:ac48b187213c | 36 | |
simon | 1:ac48b187213c | 37 | // send "Display Settings" 3 times (Only top nibble of 0x30 as we've got 4-bit bus) |
simon | 1:ac48b187213c | 38 | for (int i=0; i<3; i++) { |
simon | 1:ac48b187213c | 39 | writeByte(0x3); |
simon | 1:ac48b187213c | 40 | wait(0.00164); // this command takes 1.64ms, so wait for it |
simon | 1:ac48b187213c | 41 | } |
simon | 1:ac48b187213c | 42 | writeByte(0x2); // 4-bit mode |
simon | 1:ac48b187213c | 43 | wait(0.000040f); // most instructions take 40us |
simon | 1:ac48b187213c | 44 | |
wim | 10:dd9b3a696acd | 45 | // Display is now in 4-bit mode |
wim | 10:dd9b3a696acd | 46 | switch (_type) { |
wim | 10:dd9b3a696acd | 47 | case LCD8x1: |
wim | 10:dd9b3a696acd | 48 | writeCommand(0x20); // Function set 001 BW N F - - |
wim | 10:dd9b3a696acd | 49 | // N=0 (1 line) |
wim | 10:dd9b3a696acd | 50 | // F=0 (5x7 dots font) |
wim | 10:dd9b3a696acd | 51 | break; |
wim | 10:dd9b3a696acd | 52 | |
wim | 10:dd9b3a696acd | 53 | case LCD24x4: |
wim | 10:dd9b3a696acd | 54 | // Special mode for KS0078 |
wim | 10:dd9b3a696acd | 55 | writeCommand(0x2A); // Function set 001 BW N RE DH REV |
wim | 10:dd9b3a696acd | 56 | // N=1 (Dont care for KS0078) |
wim | 10:dd9b3a696acd | 57 | // RE=0 (Extended Regs, special mode for KS0078) |
wim | 10:dd9b3a696acd | 58 | // DH=1 (Disp shift, special mode for KS0078) |
wim | 10:dd9b3a696acd | 59 | // REV=0 (Reverse, special mode for KS0078) |
wim | 10:dd9b3a696acd | 60 | |
wim | 10:dd9b3a696acd | 61 | writeCommand(0x2E); // Function set 001 BW N RE DH REV |
wim | 10:dd9b3a696acd | 62 | // N=1 (Dont care for KS0078) |
wim | 10:dd9b3a696acd | 63 | // RE=1 (Ena Extended Regs, special mode for KS0078) |
wim | 10:dd9b3a696acd | 64 | // DH=1 (Disp shift, special mode for KS0078) |
wim | 10:dd9b3a696acd | 65 | // REV=0 (Reverse, special mode for KS0078) |
wim | 10:dd9b3a696acd | 66 | |
wim | 10:dd9b3a696acd | 67 | writeCommand(0x09); // Ext Function set 0000 1 FW BW NW |
wim | 10:dd9b3a696acd | 68 | // FW=0 (5-dot font, special mode for KS0078) |
wim | 10:dd9b3a696acd | 69 | // BW=0 (Cur BW invert disable, special mode for KS0078) |
wim | 10:dd9b3a696acd | 70 | // NW=1 (4 Line, special mode for KS0078) |
wim | 10:dd9b3a696acd | 71 | |
wim | 10:dd9b3a696acd | 72 | writeCommand(0x2A); // Function set 001 BW N RE DH REV |
wim | 10:dd9b3a696acd | 73 | // N=1 (Dont care for KS0078) |
wim | 10:dd9b3a696acd | 74 | // RE=0 (Dis. Extended Regs, special mode for KS0078) |
wim | 10:dd9b3a696acd | 75 | // DH=1 (Disp shift, special mode for KS0078) |
wim | 10:dd9b3a696acd | 76 | // REV=0 (Reverse, special mode for KS0078) |
wim | 10:dd9b3a696acd | 77 | break; |
wim | 10:dd9b3a696acd | 78 | |
wim | 10:dd9b3a696acd | 79 | default: |
wim | 10:dd9b3a696acd | 80 | writeCommand(0x28); // Function set 001 BW N F - - |
wim | 10:dd9b3a696acd | 81 | // N=1 (2 lines) |
wim | 10:dd9b3a696acd | 82 | // F=0 (5x7 dots font) |
wim | 10:dd9b3a696acd | 83 | |
wim | 10:dd9b3a696acd | 84 | break; |
wim | 10:dd9b3a696acd | 85 | } |
wim | 10:dd9b3a696acd | 86 | |
wim | 10:dd9b3a696acd | 87 | writeCommand(0x06); // Entry Mode 0000 01 CD S |
wim | 10:dd9b3a696acd | 88 | // Cursor Direction and Display Shift |
wim | 10:dd9b3a696acd | 89 | // CD=1 (Cur incr) |
wim | 10:dd9b3a696acd | 90 | // S=0 (No display shift) |
wim | 10:dd9b3a696acd | 91 | |
wim | 11:9ec02df863a1 | 92 | // writeCommand(0x0C); // Display Ctrl 0000 1 D C B |
wim | 11:9ec02df863a1 | 93 | // // Display On, Cursor Off, Blink Off |
wim | 11:9ec02df863a1 | 94 | cursor(TextLCD::CurOff_BlkOff); |
wim | 11:9ec02df863a1 | 95 | |
wim | 10:dd9b3a696acd | 96 | cls(); |
simon | 1:ac48b187213c | 97 | } |
simon | 1:ac48b187213c | 98 | |
wim | 8:03116f75b66e | 99 | |
simon | 1:ac48b187213c | 100 | void TextLCD::character(int column, int row, int c) { |
wim | 8:03116f75b66e | 101 | int addr = getAddress(column, row); |
wim | 8:03116f75b66e | 102 | |
wim | 8:03116f75b66e | 103 | writeCommand(0x80 | addr); |
simon | 1:ac48b187213c | 104 | writeData(c); |
simon | 1:ac48b187213c | 105 | } |
simon | 1:ac48b187213c | 106 | |
wim | 8:03116f75b66e | 107 | |
simon | 1:ac48b187213c | 108 | void TextLCD::cls() { |
simon | 1:ac48b187213c | 109 | writeCommand(0x01); // cls, and set cursor to 0 |
simon | 1:ac48b187213c | 110 | wait(0.00164f); // This command takes 1.64 ms |
simon | 1:ac48b187213c | 111 | locate(0, 0); |
simon | 1:ac48b187213c | 112 | } |
simon | 1:ac48b187213c | 113 | |
simon | 1:ac48b187213c | 114 | void TextLCD::locate(int column, int row) { |
simon | 1:ac48b187213c | 115 | _column = column; |
simon | 1:ac48b187213c | 116 | _row = row; |
simon | 1:ac48b187213c | 117 | } |
simon | 1:ac48b187213c | 118 | |
simon | 1:ac48b187213c | 119 | int TextLCD::_putc(int value) { |
simon | 1:ac48b187213c | 120 | if (value == '\n') { |
simon | 1:ac48b187213c | 121 | _column = 0; |
simon | 1:ac48b187213c | 122 | _row++; |
simon | 1:ac48b187213c | 123 | if (_row >= rows()) { |
simon | 1:ac48b187213c | 124 | _row = 0; |
simon | 1:ac48b187213c | 125 | } |
simon | 1:ac48b187213c | 126 | } else { |
simon | 1:ac48b187213c | 127 | character(_column, _row, value); |
simon | 1:ac48b187213c | 128 | _column++; |
simon | 1:ac48b187213c | 129 | if (_column >= columns()) { |
simon | 1:ac48b187213c | 130 | _column = 0; |
simon | 1:ac48b187213c | 131 | _row++; |
simon | 1:ac48b187213c | 132 | if (_row >= rows()) { |
simon | 1:ac48b187213c | 133 | _row = 0; |
simon | 1:ac48b187213c | 134 | } |
simon | 1:ac48b187213c | 135 | } |
simon | 1:ac48b187213c | 136 | } |
simon | 1:ac48b187213c | 137 | return value; |
simon | 1:ac48b187213c | 138 | } |
simon | 1:ac48b187213c | 139 | |
simon | 1:ac48b187213c | 140 | int TextLCD::_getc() { |
simon | 1:ac48b187213c | 141 | return -1; |
simon | 1:ac48b187213c | 142 | } |
simon | 1:ac48b187213c | 143 | |
simon | 1:ac48b187213c | 144 | void TextLCD::writeByte(int value) { |
simon | 1:ac48b187213c | 145 | _d = value >> 4; |
simon | 1:ac48b187213c | 146 | wait(0.000040f); // most instructions take 40us |
simon | 1:ac48b187213c | 147 | _e = 0; |
simon | 1:ac48b187213c | 148 | wait(0.000040f); |
simon | 1:ac48b187213c | 149 | _e = 1; |
simon | 1:ac48b187213c | 150 | _d = value >> 0; |
simon | 1:ac48b187213c | 151 | wait(0.000040f); |
simon | 1:ac48b187213c | 152 | _e = 0; |
simon | 1:ac48b187213c | 153 | wait(0.000040f); // most instructions take 40us |
simon | 1:ac48b187213c | 154 | _e = 1; |
simon | 1:ac48b187213c | 155 | } |
simon | 1:ac48b187213c | 156 | |
simon | 1:ac48b187213c | 157 | void TextLCD::writeCommand(int command) { |
simon | 1:ac48b187213c | 158 | _rs = 0; |
simon | 1:ac48b187213c | 159 | writeByte(command); |
simon | 1:ac48b187213c | 160 | } |
simon | 1:ac48b187213c | 161 | |
simon | 1:ac48b187213c | 162 | void TextLCD::writeData(int data) { |
simon | 1:ac48b187213c | 163 | _rs = 1; |
simon | 1:ac48b187213c | 164 | writeByte(data); |
simon | 1:ac48b187213c | 165 | } |
simon | 1:ac48b187213c | 166 | |
wim | 8:03116f75b66e | 167 | |
wim | 8:03116f75b66e | 168 | #if (0) |
wim | 8:03116f75b66e | 169 | // This is the original method. |
wim | 8:03116f75b66e | 170 | // It is confusing since it returns the memoryaddress or-ed with the set memorycommand 0x80. |
wim | 8:03116f75b66e | 171 | // Left it in here for compatibility with older code. New applications should use getAddress() instead. |
wim | 8:03116f75b66e | 172 | // |
simon | 1:ac48b187213c | 173 | int TextLCD::address(int column, int row) { |
simon | 1:ac48b187213c | 174 | switch (_type) { |
simon | 1:ac48b187213c | 175 | case LCD20x4: |
simon | 1:ac48b187213c | 176 | switch (row) { |
simon | 1:ac48b187213c | 177 | case 0: |
simon | 1:ac48b187213c | 178 | return 0x80 + column; |
simon | 1:ac48b187213c | 179 | case 1: |
simon | 1:ac48b187213c | 180 | return 0xc0 + column; |
simon | 1:ac48b187213c | 181 | case 2: |
simon | 1:ac48b187213c | 182 | return 0x94 + column; |
simon | 1:ac48b187213c | 183 | case 3: |
simon | 1:ac48b187213c | 184 | return 0xd4 + column; |
simon | 1:ac48b187213c | 185 | } |
simon | 1:ac48b187213c | 186 | case LCD16x2B: |
simon | 4:bf5b706f8d32 | 187 | return 0x80 + (row * 40) + column; |
simon | 1:ac48b187213c | 188 | case LCD16x2: |
simon | 1:ac48b187213c | 189 | case LCD20x2: |
simon | 1:ac48b187213c | 190 | default: |
simon | 4:bf5b706f8d32 | 191 | return 0x80 + (row * 0x40) + column; |
simon | 1:ac48b187213c | 192 | } |
simon | 1:ac48b187213c | 193 | } |
wim | 8:03116f75b66e | 194 | #endif |
wim | 8:03116f75b66e | 195 | |
wim | 8:03116f75b66e | 196 | |
wim | 8:03116f75b66e | 197 | // This replaces the original method. |
wim | 8:03116f75b66e | 198 | // Left it in here for compatibility with older code. New applications should use getAddress() instead. |
wim | 8:03116f75b66e | 199 | int TextLCD::address(int column, int row) { |
wim | 8:03116f75b66e | 200 | return 0x80 | getAddress(column, row); |
wim | 8:03116f75b66e | 201 | } |
wim | 8:03116f75b66e | 202 | |
wim | 8:03116f75b66e | 203 | // This is new method to return the memory address based on row, column and displaytype. |
wim | 8:03116f75b66e | 204 | // |
wim | 8:03116f75b66e | 205 | int TextLCD::getAddress(int column, int row) { |
wim | 8:03116f75b66e | 206 | |
wim | 8:03116f75b66e | 207 | switch (_type) { |
wim | 8:03116f75b66e | 208 | case LCD8x1: |
wim | 8:03116f75b66e | 209 | return 0x00 + column; |
wim | 8:03116f75b66e | 210 | |
wim | 8:03116f75b66e | 211 | case LCD16x4: |
wim | 8:03116f75b66e | 212 | switch (row) { |
wim | 8:03116f75b66e | 213 | case 0: |
wim | 8:03116f75b66e | 214 | return 0x00 + column; |
wim | 8:03116f75b66e | 215 | case 1: |
wim | 8:03116f75b66e | 216 | return 0x40 + column; |
wim | 8:03116f75b66e | 217 | case 2: |
wim | 8:03116f75b66e | 218 | return 0x10 + column; |
wim | 8:03116f75b66e | 219 | case 3: |
wim | 8:03116f75b66e | 220 | return 0x50 + column; |
wim | 8:03116f75b66e | 221 | } |
wim | 8:03116f75b66e | 222 | |
wim | 8:03116f75b66e | 223 | case LCD20x4: |
wim | 8:03116f75b66e | 224 | switch (row) { |
wim | 8:03116f75b66e | 225 | case 0: |
wim | 8:03116f75b66e | 226 | return 0x00 + column; |
wim | 8:03116f75b66e | 227 | case 1: |
wim | 8:03116f75b66e | 228 | return 0x40 + column; |
wim | 8:03116f75b66e | 229 | case 2: |
wim | 8:03116f75b66e | 230 | return 0x14 + column; |
wim | 8:03116f75b66e | 231 | case 3: |
wim | 8:03116f75b66e | 232 | return 0x54 + column; |
wim | 8:03116f75b66e | 233 | } |
wim | 8:03116f75b66e | 234 | |
wim | 10:dd9b3a696acd | 235 | // Special mode for KS0078 |
wim | 10:dd9b3a696acd | 236 | case LCD24x4: |
wim | 10:dd9b3a696acd | 237 | switch (row) { |
wim | 10:dd9b3a696acd | 238 | case 0: |
wim | 10:dd9b3a696acd | 239 | return 0x00 + column; |
wim | 10:dd9b3a696acd | 240 | case 1: |
wim | 10:dd9b3a696acd | 241 | return 0x20 + column; |
wim | 10:dd9b3a696acd | 242 | case 2: |
wim | 10:dd9b3a696acd | 243 | return 0x40 + column; |
wim | 10:dd9b3a696acd | 244 | case 3: |
wim | 10:dd9b3a696acd | 245 | return 0x60 + column; |
wim | 10:dd9b3a696acd | 246 | } |
wim | 10:dd9b3a696acd | 247 | |
wim | 8:03116f75b66e | 248 | // Not sure about this one, seems wrong. |
wim | 8:03116f75b66e | 249 | case LCD16x2B: |
wim | 8:03116f75b66e | 250 | return 0x00 + (row * 40) + column; |
wim | 8:03116f75b66e | 251 | |
wim | 8:03116f75b66e | 252 | case LCD8x2: |
wim | 8:03116f75b66e | 253 | case LCD16x2: |
wim | 8:03116f75b66e | 254 | case LCD20x2: |
wim | 8:03116f75b66e | 255 | case LCD24x2: |
wim | 9:0893d986e717 | 256 | case LCD40x2: |
wim | 8:03116f75b66e | 257 | return 0x00 + (row * 0x40) + column; |
wim | 8:03116f75b66e | 258 | |
wim | 8:03116f75b66e | 259 | // Should never get here. |
wim | 8:03116f75b66e | 260 | default: |
wim | 8:03116f75b66e | 261 | return 0x00; |
wim | 8:03116f75b66e | 262 | } |
wim | 8:03116f75b66e | 263 | } |
wim | 8:03116f75b66e | 264 | |
wim | 8:03116f75b66e | 265 | |
wim | 8:03116f75b66e | 266 | // Added for consistency. Set row, colum and update memoryaddress. |
wim | 8:03116f75b66e | 267 | // |
wim | 8:03116f75b66e | 268 | void TextLCD::setAddress(int column, int row) { |
wim | 8:03116f75b66e | 269 | |
wim | 8:03116f75b66e | 270 | locate(column, row); |
wim | 8:03116f75b66e | 271 | |
wim | 8:03116f75b66e | 272 | int addr = getAddress(column, row); |
wim | 8:03116f75b66e | 273 | |
wim | 8:03116f75b66e | 274 | writeCommand(0x80 | addr); |
wim | 8:03116f75b66e | 275 | } |
simon | 1:ac48b187213c | 276 | |
simon | 1:ac48b187213c | 277 | int TextLCD::columns() { |
simon | 1:ac48b187213c | 278 | switch (_type) { |
wim | 8:03116f75b66e | 279 | case LCD8x1: |
wim | 8:03116f75b66e | 280 | case LCD8x2: |
wim | 8:03116f75b66e | 281 | return 8; |
wim | 8:03116f75b66e | 282 | |
simon | 1:ac48b187213c | 283 | case LCD16x2: |
simon | 1:ac48b187213c | 284 | case LCD16x2B: |
wim | 8:03116f75b66e | 285 | case LCD16x4: |
wim | 8:03116f75b66e | 286 | return 16; |
wim | 8:03116f75b66e | 287 | |
wim | 8:03116f75b66e | 288 | case LCD20x2: |
wim | 8:03116f75b66e | 289 | case LCD20x4: |
wim | 8:03116f75b66e | 290 | return 20; |
wim | 8:03116f75b66e | 291 | |
wim | 8:03116f75b66e | 292 | case LCD24x2: |
wim | 10:dd9b3a696acd | 293 | case LCD24x4: |
wim | 8:03116f75b66e | 294 | return 24; |
wim | 9:0893d986e717 | 295 | |
wim | 9:0893d986e717 | 296 | case LCD40x2: |
wim | 9:0893d986e717 | 297 | return 40; |
wim | 8:03116f75b66e | 298 | |
wim | 8:03116f75b66e | 299 | // Should never get here. |
simon | 1:ac48b187213c | 300 | default: |
wim | 8:03116f75b66e | 301 | return 0; |
simon | 1:ac48b187213c | 302 | } |
simon | 1:ac48b187213c | 303 | } |
simon | 1:ac48b187213c | 304 | |
simon | 1:ac48b187213c | 305 | int TextLCD::rows() { |
simon | 1:ac48b187213c | 306 | switch (_type) { |
wim | 8:03116f75b66e | 307 | case LCD8x1: |
wim | 8:03116f75b66e | 308 | return 1; |
wim | 8:03116f75b66e | 309 | |
wim | 8:03116f75b66e | 310 | case LCD8x2: |
simon | 1:ac48b187213c | 311 | case LCD16x2: |
simon | 1:ac48b187213c | 312 | case LCD16x2B: |
simon | 1:ac48b187213c | 313 | case LCD20x2: |
wim | 8:03116f75b66e | 314 | case LCD24x2: |
wim | 9:0893d986e717 | 315 | case LCD40x2: |
wim | 8:03116f75b66e | 316 | return 2; |
wim | 8:03116f75b66e | 317 | |
wim | 8:03116f75b66e | 318 | case LCD16x4: |
wim | 8:03116f75b66e | 319 | case LCD20x4: |
wim | 10:dd9b3a696acd | 320 | case LCD24x4: |
wim | 8:03116f75b66e | 321 | return 4; |
wim | 8:03116f75b66e | 322 | |
simon | 1:ac48b187213c | 323 | default: |
wim | 8:03116f75b66e | 324 | return 0; |
simon | 1:ac48b187213c | 325 | } |
simon | 1:ac48b187213c | 326 | } |
wim | 10:dd9b3a696acd | 327 | |
wim | 10:dd9b3a696acd | 328 | |
wim | 11:9ec02df863a1 | 329 | void TextLCD::cursor(TextLCD::LCDCursor show) { |
wim | 10:dd9b3a696acd | 330 | |
wim | 10:dd9b3a696acd | 331 | switch (show) { |
wim | 11:9ec02df863a1 | 332 | case CurOff_BlkOff : writeCommand(0x0C); // Cursor off and Blink Off |
wim | 11:9ec02df863a1 | 333 | wait_us(40); |
wim | 11:9ec02df863a1 | 334 | _cursor = show; |
wim | 11:9ec02df863a1 | 335 | break; |
wim | 11:9ec02df863a1 | 336 | |
wim | 11:9ec02df863a1 | 337 | case CurOn_BlkOff : writeCommand(0x0E); // Cursor on and Blink Off |
wim | 11:9ec02df863a1 | 338 | wait_us(40); |
wim | 11:9ec02df863a1 | 339 | _cursor = show; |
wim | 11:9ec02df863a1 | 340 | break; |
wim | 11:9ec02df863a1 | 341 | |
wim | 11:9ec02df863a1 | 342 | case CurOff_BlkOn : writeCommand(0x0D); // Cursor off and Blink On |
wim | 11:9ec02df863a1 | 343 | wait_us(40); |
wim | 11:9ec02df863a1 | 344 | _cursor = show; |
wim | 11:9ec02df863a1 | 345 | break; |
wim | 11:9ec02df863a1 | 346 | |
wim | 11:9ec02df863a1 | 347 | case CurOn_BlkOn : writeCommand(0x0F); // Cursor on and Blink char |
wim | 11:9ec02df863a1 | 348 | wait_us(40); |
wim | 11:9ec02df863a1 | 349 | _cursor = show; |
wim | 11:9ec02df863a1 | 350 | break; |
wim | 11:9ec02df863a1 | 351 | |
wim | 10:dd9b3a696acd | 352 | default : |
wim | 11:9ec02df863a1 | 353 | break; |
wim | 10:dd9b3a696acd | 354 | |
wim | 10:dd9b3a696acd | 355 | } |
wim | 11:9ec02df863a1 | 356 | |
wim | 10:dd9b3a696acd | 357 | } |
wim | 10:dd9b3a696acd | 358 | |
wim | 10:dd9b3a696acd | 359 | |
wim | 11:9ec02df863a1 | 360 | void TextLCD::setUDC(unsigned char c, char *udc_data) { |
wim | 11:9ec02df863a1 | 361 | writeCommand(0x40 + ((c & 0x07) << 3)); //Set CG-RAM address |
wim | 11:9ec02df863a1 | 362 | |
wim | 11:9ec02df863a1 | 363 | for (int i=0; i<8; i++) { |
wim | 11:9ec02df863a1 | 364 | writeData(*udc_data++); |
wim | 11:9ec02df863a1 | 365 | } |
wim | 11:9ec02df863a1 | 366 | } |
wim | 10:dd9b3a696acd | 367 | |
wim | 10:dd9b3a696acd | 368 |