Basic library for SHARP LCD LS027B4DH01/LS027B7DH01
Dependents: AkiSpiLcd_demo AkiSpiLcd_demo2 LCDRAM AkiSpiLcd_example
AkiSpiLcd.cpp@31:7c7faf88edcc, 2016-10-23 (annotated)
- Committer:
- Kazuki Yamamoto
- Date:
- Sun Oct 23 02:27:02 2016 +0900
- Revision:
- 31:7c7faf88edcc
- Parent:
- 30:d5c18e268866
- Child:
- 32:7e37fd2ddaa4
Declare license (MIT)
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Kazuki Yamamoto |
31:7c7faf88edcc | 1 | /* |
Kazuki Yamamoto |
31:7c7faf88edcc | 2 | Copyright (c) 2016 Kazuki Yamamoto <k.yamamoto.08136891@gmail.com> |
Kazuki Yamamoto |
31:7c7faf88edcc | 3 | Permission is hereby granted, free of charge, to any person obtaining |
Kazuki Yamamoto |
31:7c7faf88edcc | 4 | a copy of this software and associated documentation files |
Kazuki Yamamoto |
31:7c7faf88edcc | 5 | (the "Software"), to deal in the Software without restriction, |
Kazuki Yamamoto |
31:7c7faf88edcc | 6 | including without limitation the rights to use, copy, modify, merge, |
Kazuki Yamamoto |
31:7c7faf88edcc | 7 | publish, distribute, sublicense, and/or sell copies of the Software, |
Kazuki Yamamoto |
31:7c7faf88edcc | 8 | and to permit persons to whom the Software is furnished to do so, |
Kazuki Yamamoto |
31:7c7faf88edcc | 9 | subject to the following conditions: |
Kazuki Yamamoto |
31:7c7faf88edcc | 10 | The above copyright notice and this permission notice shall be |
Kazuki Yamamoto |
31:7c7faf88edcc | 11 | included in all copies or substantial portions of the Software. |
Kazuki Yamamoto |
31:7c7faf88edcc | 12 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
Kazuki Yamamoto |
31:7c7faf88edcc | 13 | EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
Kazuki Yamamoto |
31:7c7faf88edcc | 14 | MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
Kazuki Yamamoto |
31:7c7faf88edcc | 15 | IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
Kazuki Yamamoto |
31:7c7faf88edcc | 16 | CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
Kazuki Yamamoto |
31:7c7faf88edcc | 17 | TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
Kazuki Yamamoto |
31:7c7faf88edcc | 18 | SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
Kazuki Yamamoto |
31:7c7faf88edcc | 19 | */ |
k4zuki | 1:57de84d2025c | 20 | /** this is for SHARP LCD LS027B4DH01 |
Kazuki Yamamoto |
30:d5c18e268866 | 21 | * (c) Kazuki Yamamoto, or _K4ZUKI_ |
k4zuki | 0:b3c8fdd01601 | 22 | */ |
k4zuki | 0:b3c8fdd01601 | 23 | |
Kazuki Yamamoto |
30:d5c18e268866 | 24 | #include "AkiSpiLcd.h" |
k4zuki | 0:b3c8fdd01601 | 25 | #include "mbed.h" |
Kazuki Yamamoto |
30:d5c18e268866 | 26 | // #include "Ser23K256.h" |
k4zuki | 11:16647ecd67ce | 27 | extern const uint8_t lcd_line[]; |
k4zuki | 0:b3c8fdd01601 | 28 | |
Kazuki Yamamoto |
30:d5c18e268866 | 29 | AkiSpiLcd::AkiSpiLcd(PinName mosi, PinName miso, PinName sck, PinName csl, |
Kazuki Yamamoto |
30:d5c18e268866 | 30 | PinName csr) |
Kazuki Yamamoto |
30:d5c18e268866 | 31 | : _spi(mosi, miso, sck), _csl(csl), _csr(csr) { |
Kazuki Yamamoto |
30:d5c18e268866 | 32 | _csl = 0; |
Kazuki Yamamoto |
30:d5c18e268866 | 33 | _csr = 1; |
Kazuki Yamamoto |
30:d5c18e268866 | 34 | _spi.format(8, 0); |
Kazuki Yamamoto |
30:d5c18e268866 | 35 | _spi.frequency(10000000); |
Kazuki Yamamoto |
30:d5c18e268866 | 36 | _comflag = _modeflag = _clearflag = 0; |
Kazuki Yamamoto |
30:d5c18e268866 | 37 | } |
Kazuki Yamamoto |
30:d5c18e268866 | 38 | |
Kazuki Yamamoto |
30:d5c18e268866 | 39 | void AkiSpiLcd::cls() { |
Kazuki Yamamoto |
30:d5c18e268866 | 40 | _modeflag = 0; |
Kazuki Yamamoto |
30:d5c18e268866 | 41 | _clearflag = 1; |
Kazuki Yamamoto |
30:d5c18e268866 | 42 | |
Kazuki Yamamoto |
30:d5c18e268866 | 43 | _csl = 1; |
Kazuki Yamamoto |
30:d5c18e268866 | 44 | wait_us(5); |
Kazuki Yamamoto |
30:d5c18e268866 | 45 | |
Kazuki Yamamoto |
30:d5c18e268866 | 46 | _spi.write((_modeflag << 7) | (_comflag << 6) | (_clearflag << 5)); |
Kazuki Yamamoto |
30:d5c18e268866 | 47 | _spi.write(0x00); |
Kazuki Yamamoto |
30:d5c18e268866 | 48 | |
Kazuki Yamamoto |
30:d5c18e268866 | 49 | wait_us(5); |
Kazuki Yamamoto |
30:d5c18e268866 | 50 | _csl = 0; |
Kazuki Yamamoto |
30:d5c18e268866 | 51 | |
Kazuki Yamamoto |
30:d5c18e268866 | 52 | cominvert(); |
k4zuki | 0:b3c8fdd01601 | 53 | } |
k4zuki | 0:b3c8fdd01601 | 54 | |
Kazuki Yamamoto |
30:d5c18e268866 | 55 | void AkiSpiLcd::cls_ram(int screen) { |
Kazuki Yamamoto |
30:d5c18e268866 | 56 | screen &= 1; |
Kazuki Yamamoto |
30:d5c18e268866 | 57 | if (screen == SCREEN0) { |
Kazuki Yamamoto |
30:d5c18e268866 | 58 | _cls_ram(SCREEN0_BASE); |
Kazuki Yamamoto |
30:d5c18e268866 | 59 | } else { |
Kazuki Yamamoto |
30:d5c18e268866 | 60 | _cls_ram(SCREEN1_BASE); |
Kazuki Yamamoto |
30:d5c18e268866 | 61 | } |
Kazuki Yamamoto |
30:d5c18e268866 | 62 | } |
Kazuki Yamamoto |
30:d5c18e268866 | 63 | |
Kazuki Yamamoto |
30:d5c18e268866 | 64 | void AkiSpiLcd::directUpdateSingle(int line, uint8_t *data) { |
Kazuki Yamamoto |
30:d5c18e268866 | 65 | _modeflag = 1; |
Kazuki Yamamoto |
30:d5c18e268866 | 66 | _clearflag = 0; |
Kazuki Yamamoto |
30:d5c18e268866 | 67 | |
Kazuki Yamamoto |
30:d5c18e268866 | 68 | _csl = 1; |
Kazuki Yamamoto |
30:d5c18e268866 | 69 | wait_us(1); |
Kazuki Yamamoto |
30:d5c18e268866 | 70 | |
Kazuki Yamamoto |
30:d5c18e268866 | 71 | if (line == 0) |
Kazuki Yamamoto |
30:d5c18e268866 | 72 | line = 1; |
k4zuki | 0:b3c8fdd01601 | 73 | |
Kazuki Yamamoto |
30:d5c18e268866 | 74 | _spi.write((_modeflag << 7) | (_comflag << 6) | (_clearflag << 5)); |
Kazuki Yamamoto |
30:d5c18e268866 | 75 | _spi.write((uint8_t)lcd_line[line]); |
Kazuki Yamamoto |
30:d5c18e268866 | 76 | |
Kazuki Yamamoto |
30:d5c18e268866 | 77 | for (int i = 0; i < 50; i++) { |
Kazuki Yamamoto |
30:d5c18e268866 | 78 | _spi.write(*(data + i)); |
Kazuki Yamamoto |
30:d5c18e268866 | 79 | } |
Kazuki Yamamoto |
30:d5c18e268866 | 80 | _spi.write(0x00); |
Kazuki Yamamoto |
30:d5c18e268866 | 81 | _spi.write(0x00); |
Kazuki Yamamoto |
30:d5c18e268866 | 82 | |
Kazuki Yamamoto |
30:d5c18e268866 | 83 | wait_us(5); |
Kazuki Yamamoto |
30:d5c18e268866 | 84 | _csl = 0; |
Kazuki Yamamoto |
30:d5c18e268866 | 85 | |
Kazuki Yamamoto |
30:d5c18e268866 | 86 | cominvert(); |
Kazuki Yamamoto |
30:d5c18e268866 | 87 | } |
Kazuki Yamamoto |
30:d5c18e268866 | 88 | |
Kazuki Yamamoto |
30:d5c18e268866 | 89 | void AkiSpiLcd::directUpdateMulti(int line, int length, uint8_t *data) { |
Kazuki Yamamoto |
30:d5c18e268866 | 90 | _modeflag = 1; |
Kazuki Yamamoto |
30:d5c18e268866 | 91 | _clearflag = 0; |
Kazuki Yamamoto |
30:d5c18e268866 | 92 | |
Kazuki Yamamoto |
30:d5c18e268866 | 93 | if (line == 0) |
Kazuki Yamamoto |
30:d5c18e268866 | 94 | line = 1; |
Kazuki Yamamoto |
30:d5c18e268866 | 95 | |
Kazuki Yamamoto |
30:d5c18e268866 | 96 | if (length > 0) { |
k4zuki | 18:e3f59b23dd3a | 97 | _csl = 1; |
k4zuki | 0:b3c8fdd01601 | 98 | wait_us(5); |
Kazuki Yamamoto |
30:d5c18e268866 | 99 | for (int j = 1; j <= length; j++) { |
Kazuki Yamamoto |
30:d5c18e268866 | 100 | _spi.write((_modeflag << 7) | (_comflag << 6) | (_clearflag << 5)); |
Kazuki Yamamoto |
30:d5c18e268866 | 101 | _spi.write((uint8_t)lcd_line[line]); |
Kazuki Yamamoto |
30:d5c18e268866 | 102 | for (int i = 0; i < 50; i++) { |
Kazuki Yamamoto |
30:d5c18e268866 | 103 | _spi.write(*(data + (50 * j + i))); // hogepic[50*j+i] |
Kazuki Yamamoto |
30:d5c18e268866 | 104 | } |
Kazuki Yamamoto |
30:d5c18e268866 | 105 | line += 1; |
k4zuki | 0:b3c8fdd01601 | 106 | } |
k4zuki | 0:b3c8fdd01601 | 107 | _spi.write(0x00); |
k4zuki | 0:b3c8fdd01601 | 108 | _spi.write(0x00); |
k4zuki | 0:b3c8fdd01601 | 109 | wait_us(5); |
k4zuki | 18:e3f59b23dd3a | 110 | _csl = 0; |
Kazuki Yamamoto |
30:d5c18e268866 | 111 | } |
Kazuki Yamamoto |
30:d5c18e268866 | 112 | cominvert(); |
k4zuki | 0:b3c8fdd01601 | 113 | } |
k4zuki | 0:b3c8fdd01601 | 114 | |
Kazuki Yamamoto |
30:d5c18e268866 | 115 | void AkiSpiLcd::cominvert() { |
Kazuki Yamamoto |
30:d5c18e268866 | 116 | _modeflag = 0; |
Kazuki Yamamoto |
30:d5c18e268866 | 117 | _clearflag = 0; |
k4zuki | 14:812873f3a933 | 118 | |
Kazuki Yamamoto |
30:d5c18e268866 | 119 | _csl = 1; |
k4zuki | 0:b3c8fdd01601 | 120 | |
Kazuki Yamamoto |
30:d5c18e268866 | 121 | _spi.write((_modeflag << 7) | (_comflag << 6) | (_clearflag << 5)); |
Kazuki Yamamoto |
30:d5c18e268866 | 122 | _spi.write(0x00); |
Kazuki Yamamoto |
30:d5c18e268866 | 123 | // wait_us(5); |
Kazuki Yamamoto |
30:d5c18e268866 | 124 | _csl = 0; |
Kazuki Yamamoto |
30:d5c18e268866 | 125 | if (_comflag == 0) { |
Kazuki Yamamoto |
30:d5c18e268866 | 126 | _comflag = 1; |
Kazuki Yamamoto |
30:d5c18e268866 | 127 | } else { |
Kazuki Yamamoto |
30:d5c18e268866 | 128 | _comflag = 0; |
Kazuki Yamamoto |
30:d5c18e268866 | 129 | } |
k4zuki | 0:b3c8fdd01601 | 130 | } |
k4zuki | 14:812873f3a933 | 131 | |
k4zuki | 14:812873f3a933 | 132 | /** Reads single line (16 + 400 bits = 52 bytes) from a screen |
k4zuki | 3:f835b8daf9a0 | 133 | */ |
Kazuki Yamamoto |
30:d5c18e268866 | 134 | void AkiSpiLcd::ramReadSingleLine(int line, uint8_t *buffer, int screen) { |
Kazuki Yamamoto |
30:d5c18e268866 | 135 | screen &= 1; |
Kazuki Yamamoto |
30:d5c18e268866 | 136 | if (screen == SCREEN0) { |
Kazuki Yamamoto |
30:d5c18e268866 | 137 | screen = SCREEN0_BASE; |
Kazuki Yamamoto |
30:d5c18e268866 | 138 | } else { |
Kazuki Yamamoto |
30:d5c18e268866 | 139 | screen = SCREEN1_BASE; |
Kazuki Yamamoto |
30:d5c18e268866 | 140 | } |
k4zuki | 14:812873f3a933 | 141 | |
Kazuki Yamamoto |
30:d5c18e268866 | 142 | line *= RAMLINE_LENGTH; |
Kazuki Yamamoto |
30:d5c18e268866 | 143 | int address = screen + line; |
Kazuki Yamamoto |
30:d5c18e268866 | 144 | ram_read(address, buffer, RAMLINE_LENGTH); |
k4zuki | 4:844693a617dc | 145 | } |
k4zuki | 4:844693a617dc | 146 | |
k4zuki | 14:812873f3a933 | 147 | /** Reads multi lines( (16 + 400) x N bits = 52 x N bytes) from a screen |
k4zuki | 9:33d5888d1fb9 | 148 | */ |
Kazuki Yamamoto |
30:d5c18e268866 | 149 | void AkiSpiLcd::ramReadMultiLine(int line, int length, uint8_t *buffer, |
Kazuki Yamamoto |
30:d5c18e268866 | 150 | int screen) { |
Kazuki Yamamoto |
30:d5c18e268866 | 151 | screen &= 1; |
Kazuki Yamamoto |
30:d5c18e268866 | 152 | if (screen == SCREEN0) { |
Kazuki Yamamoto |
30:d5c18e268866 | 153 | screen = SCREEN0_BASE; |
Kazuki Yamamoto |
30:d5c18e268866 | 154 | } else { |
Kazuki Yamamoto |
30:d5c18e268866 | 155 | screen = SCREEN1_BASE; |
Kazuki Yamamoto |
30:d5c18e268866 | 156 | } |
Kazuki Yamamoto |
30:d5c18e268866 | 157 | line *= RAMLINE_LENGTH; |
Kazuki Yamamoto |
30:d5c18e268866 | 158 | int address = screen + line; |
Kazuki Yamamoto |
30:d5c18e268866 | 159 | ram_read(address, buffer, RAMLINE_LENGTH * length); |
k4zuki | 4:844693a617dc | 160 | } |
k4zuki | 9:33d5888d1fb9 | 161 | |
k4zuki | 9:33d5888d1fb9 | 162 | /** Writes single line (400 bits = 50 bytes) into a screen |
k4zuki | 9:33d5888d1fb9 | 163 | */ |
Kazuki Yamamoto |
30:d5c18e268866 | 164 | void AkiSpiLcd::ramWriteSingleLine(int line, uint8_t *data, int screen) { |
Kazuki Yamamoto |
30:d5c18e268866 | 165 | screen &= 1; |
Kazuki Yamamoto |
30:d5c18e268866 | 166 | if (screen == SCREEN0) { |
Kazuki Yamamoto |
30:d5c18e268866 | 167 | screen = SCREEN0_BASE; |
Kazuki Yamamoto |
30:d5c18e268866 | 168 | } else { |
Kazuki Yamamoto |
30:d5c18e268866 | 169 | screen = SCREEN1_BASE; |
Kazuki Yamamoto |
30:d5c18e268866 | 170 | } |
Kazuki Yamamoto |
30:d5c18e268866 | 171 | line--; |
Kazuki Yamamoto |
30:d5c18e268866 | 172 | line *= RAMLINE_LENGTH; |
Kazuki Yamamoto |
30:d5c18e268866 | 173 | int address = screen + line; |
Kazuki Yamamoto |
30:d5c18e268866 | 174 | ram_write(address, data, 50); |
k4zuki | 14:812873f3a933 | 175 | } |
k4zuki | 14:812873f3a933 | 176 | |
k4zuki | 14:812873f3a933 | 177 | /** Writes multi lines(400 x N bits = 50 x N bytes) into a screen |
k4zuki | 14:812873f3a933 | 178 | */ |
Kazuki Yamamoto |
30:d5c18e268866 | 179 | void AkiSpiLcd::ramWriteMultiLine(int line, int length, uint8_t *data, |
Kazuki Yamamoto |
30:d5c18e268866 | 180 | int screen) { |
Kazuki Yamamoto |
30:d5c18e268866 | 181 | _modeflag = 1; |
Kazuki Yamamoto |
30:d5c18e268866 | 182 | _clearflag = 0; |
Kazuki Yamamoto |
30:d5c18e268866 | 183 | screen &= 1; |
Kazuki Yamamoto |
30:d5c18e268866 | 184 | if (screen == SCREEN0) { |
Kazuki Yamamoto |
30:d5c18e268866 | 185 | screen = SCREEN0_BASE; |
Kazuki Yamamoto |
30:d5c18e268866 | 186 | } else { |
Kazuki Yamamoto |
30:d5c18e268866 | 187 | screen = SCREEN1_BASE; |
Kazuki Yamamoto |
30:d5c18e268866 | 188 | } |
Kazuki Yamamoto |
30:d5c18e268866 | 189 | // line--; |
Kazuki Yamamoto |
30:d5c18e268866 | 190 | // line*=RAMLINE_LENGTH; |
k4zuki | 14:812873f3a933 | 191 | |
Kazuki Yamamoto |
30:d5c18e268866 | 192 | int address = screen + line * RAMLINE_LENGTH; |
Kazuki Yamamoto |
30:d5c18e268866 | 193 | _ram_writeStatus(SEQUENTIAL_MODE); |
Kazuki Yamamoto |
30:d5c18e268866 | 194 | _ram_prepareCommand(WRITE, address); |
Kazuki Yamamoto |
30:d5c18e268866 | 195 | for (int i = 0; i < length; i++) { |
Kazuki Yamamoto |
30:d5c18e268866 | 196 | _spi.write((_modeflag << 7) | (_comflag << 6) | (_clearflag << 5)); |
Kazuki Yamamoto |
30:d5c18e268866 | 197 | _spi.write((uint8_t)lcd_line[line]); |
Kazuki Yamamoto |
30:d5c18e268866 | 198 | for (int j = 0; j < LINE_LENGTH; j++) { |
Kazuki Yamamoto |
30:d5c18e268866 | 199 | _spi.write(*data); |
Kazuki Yamamoto |
30:d5c18e268866 | 200 | data++; |
k4zuki | 4:844693a617dc | 201 | } |
Kazuki Yamamoto |
30:d5c18e268866 | 202 | line++; |
Kazuki Yamamoto |
30:d5c18e268866 | 203 | } |
Kazuki Yamamoto |
30:d5c18e268866 | 204 | _ram_deselect(); |
Kazuki Yamamoto |
30:d5c18e268866 | 205 | _ram_writeStatus(BYTE_MODE); |
Kazuki Yamamoto |
30:d5c18e268866 | 206 | // ram_write(address,data,50*length); |
k4zuki | 4:844693a617dc | 207 | } |
k4zuki | 4:844693a617dc | 208 | |
k4zuki | 9:33d5888d1fb9 | 209 | /** copies whole data in screen into LCD |
k4zuki | 9:33d5888d1fb9 | 210 | */ |
Kazuki Yamamoto |
30:d5c18e268866 | 211 | void AkiSpiLcd::ram2lcd(int startline, int length, int screen) { |
Kazuki Yamamoto |
30:d5c18e268866 | 212 | _modeflag = 1; |
Kazuki Yamamoto |
30:d5c18e268866 | 213 | _clearflag = 0; |
Kazuki Yamamoto |
30:d5c18e268866 | 214 | screen &= 1; |
Kazuki Yamamoto |
30:d5c18e268866 | 215 | if (screen == SCREEN0) { |
Kazuki Yamamoto |
30:d5c18e268866 | 216 | screen = SCREEN0_BASE; |
Kazuki Yamamoto |
30:d5c18e268866 | 217 | } else { |
Kazuki Yamamoto |
30:d5c18e268866 | 218 | screen = SCREEN1_BASE; |
Kazuki Yamamoto |
30:d5c18e268866 | 219 | } |
Kazuki Yamamoto |
30:d5c18e268866 | 220 | if (startline == 0) |
Kazuki Yamamoto |
30:d5c18e268866 | 221 | startline = 1; |
k4zuki | 14:812873f3a933 | 222 | |
Kazuki Yamamoto |
30:d5c18e268866 | 223 | if (length > 0) { |
k4zuki | 14:812873f3a933 | 224 | |
Kazuki Yamamoto |
30:d5c18e268866 | 225 | int address = screen + startline * RAMLINE_LENGTH; |
Kazuki Yamamoto |
30:d5c18e268866 | 226 | // uint8_t dummy[RAMLINE_LENGTH+2]; |
Kazuki Yamamoto |
30:d5c18e268866 | 227 | int dummy = 0; |
k4zuki | 4:844693a617dc | 228 | |
Kazuki Yamamoto |
30:d5c18e268866 | 229 | _ram_writeStatus(SEQUENTIAL_MODE); |
Kazuki Yamamoto |
30:d5c18e268866 | 230 | _ram_prepareCommand(READ, address); |
Kazuki Yamamoto |
30:d5c18e268866 | 231 | _spi.format(16, 0); |
Kazuki Yamamoto |
30:d5c18e268866 | 232 | _csl = 1; |
Kazuki Yamamoto |
30:d5c18e268866 | 233 | // wait_us(5); |
k4zuki | 18:e3f59b23dd3a | 234 | |
Kazuki Yamamoto |
30:d5c18e268866 | 235 | for (int j = 0; j <= length; j++) { |
Kazuki Yamamoto |
30:d5c18e268866 | 236 | // _csl=1; |
Kazuki Yamamoto |
30:d5c18e268866 | 237 | for (int k = 0; k < RAMLINE_LENGTH; k += 4) { |
Kazuki Yamamoto |
30:d5c18e268866 | 238 | dummy = _spi.write(0x55de); |
Kazuki Yamamoto |
30:d5c18e268866 | 239 | // dummy = _spi.write(0xde); |
Kazuki Yamamoto |
30:d5c18e268866 | 240 | dummy = _spi.write(0xadaa); |
Kazuki Yamamoto |
30:d5c18e268866 | 241 | // dummy = _spi.write(0xbe); |
Kazuki Yamamoto |
30:d5c18e268866 | 242 | // dummy = _spi.write(0xaf); |
Kazuki Yamamoto |
30:d5c18e268866 | 243 | // dummy = _spi.write(0xaa); |
Kazuki Yamamoto |
30:d5c18e268866 | 244 | } |
Kazuki Yamamoto |
30:d5c18e268866 | 245 | // _csl = 0; |
k4zuki | 4:844693a617dc | 246 | } |
Kazuki Yamamoto |
30:d5c18e268866 | 247 | } |
Kazuki Yamamoto |
30:d5c18e268866 | 248 | _spi.write(0xdead); |
Kazuki Yamamoto |
30:d5c18e268866 | 249 | // wait_us(5); |
Kazuki Yamamoto |
30:d5c18e268866 | 250 | _csl = 0; |
Kazuki Yamamoto |
30:d5c18e268866 | 251 | // _spi.write(0xde); |
Kazuki Yamamoto |
30:d5c18e268866 | 252 | // _spi.write(0xad); |
Kazuki Yamamoto |
30:d5c18e268866 | 253 | _ram_deselect(); |
Kazuki Yamamoto |
30:d5c18e268866 | 254 | _spi.format(8, 0); |
Kazuki Yamamoto |
30:d5c18e268866 | 255 | cominvert(); |
k4zuki | 4:844693a617dc | 256 | } |
k4zuki | 9:33d5888d1fb9 | 257 | |
k4zuki | 16:fa277cbcc890 | 258 | /** copies whole data in screen into LCD |
k4zuki | 16:fa277cbcc890 | 259 | */ |
Kazuki Yamamoto |
30:d5c18e268866 | 260 | void AkiSpiLcd::ram2lcd(int screen) { |
Kazuki Yamamoto |
30:d5c18e268866 | 261 | uint8_t lineBuffer[RAMLINE_LENGTH]; |
Kazuki Yamamoto |
30:d5c18e268866 | 262 | for (int y = 0; y < 240; y++) { |
Kazuki Yamamoto |
30:d5c18e268866 | 263 | ram_read(y * RAMLINE_LENGTH + 2, lineBuffer, RAMLINE_LENGTH); |
Kazuki Yamamoto |
30:d5c18e268866 | 264 | directUpdateSingle(y + 1, lineBuffer); |
Kazuki Yamamoto |
30:d5c18e268866 | 265 | } |
k4zuki | 16:fa277cbcc890 | 266 | } |
Kazuki Yamamoto |
30:d5c18e268866 | 267 | uint8_t AkiSpiLcd::ram_read(int address) { |
Kazuki Yamamoto |
30:d5c18e268866 | 268 | _ram_prepareCommand(READ, address); |
Kazuki Yamamoto |
30:d5c18e268866 | 269 | int result = _spi.write(0); |
Kazuki Yamamoto |
30:d5c18e268866 | 270 | _ram_deselect(); |
Kazuki Yamamoto |
30:d5c18e268866 | 271 | return (uint8_t)result; |
k4zuki | 9:33d5888d1fb9 | 272 | } |
k4zuki | 9:33d5888d1fb9 | 273 | |
Kazuki Yamamoto |
30:d5c18e268866 | 274 | void AkiSpiLcd::ram_read(int address, uint8_t *buffer, int count) { |
Kazuki Yamamoto |
30:d5c18e268866 | 275 | _ram_writeStatus(SEQUENTIAL_MODE); |
Kazuki Yamamoto |
30:d5c18e268866 | 276 | _ram_prepareCommand(READ, address); |
Kazuki Yamamoto |
30:d5c18e268866 | 277 | for (int i = 0; i < count; i++) { |
Kazuki Yamamoto |
30:d5c18e268866 | 278 | buffer[i] = _spi.write(0x00); |
Kazuki Yamamoto |
30:d5c18e268866 | 279 | } |
Kazuki Yamamoto |
30:d5c18e268866 | 280 | _ram_deselect(); |
Kazuki Yamamoto |
30:d5c18e268866 | 281 | _ram_writeStatus(BYTE_MODE); |
k4zuki | 9:33d5888d1fb9 | 282 | } |
k4zuki | 9:33d5888d1fb9 | 283 | |
Kazuki Yamamoto |
30:d5c18e268866 | 284 | void AkiSpiLcd::ram_write(int address, uint8_t byte) { |
Kazuki Yamamoto |
30:d5c18e268866 | 285 | _ram_prepareCommand(WRITE, address); |
Kazuki Yamamoto |
30:d5c18e268866 | 286 | _spi.write(byte); |
Kazuki Yamamoto |
30:d5c18e268866 | 287 | _ram_deselect(); |
k4zuki | 9:33d5888d1fb9 | 288 | } |
k4zuki | 9:33d5888d1fb9 | 289 | |
Kazuki Yamamoto |
30:d5c18e268866 | 290 | void AkiSpiLcd::ram_write(int address, uint8_t *buffer, int count) { |
Kazuki Yamamoto |
30:d5c18e268866 | 291 | _ram_writeStatus(SEQUENTIAL_MODE); |
Kazuki Yamamoto |
30:d5c18e268866 | 292 | _ram_prepareCommand(WRITE, address); |
Kazuki Yamamoto |
30:d5c18e268866 | 293 | for (int i = 0; i < count; i++) { |
Kazuki Yamamoto |
30:d5c18e268866 | 294 | _spi.write(buffer[i]); |
Kazuki Yamamoto |
30:d5c18e268866 | 295 | } |
Kazuki Yamamoto |
30:d5c18e268866 | 296 | _ram_deselect(); |
Kazuki Yamamoto |
30:d5c18e268866 | 297 | _ram_writeStatus(BYTE_MODE); |
k4zuki | 9:33d5888d1fb9 | 298 | } |
k4zuki | 9:33d5888d1fb9 | 299 | |
Kazuki Yamamoto |
30:d5c18e268866 | 300 | uint8_t AkiSpiLcd::ram_readStatus() { |
Kazuki Yamamoto |
30:d5c18e268866 | 301 | _ram_select(); |
Kazuki Yamamoto |
30:d5c18e268866 | 302 | _spi.write(READ_STATUS); |
Kazuki Yamamoto |
30:d5c18e268866 | 303 | uint8_t result = (uint8_t)_spi.write(0); |
Kazuki Yamamoto |
30:d5c18e268866 | 304 | _ram_deselect(); |
Kazuki Yamamoto |
30:d5c18e268866 | 305 | return result; |
k4zuki | 9:33d5888d1fb9 | 306 | } |
k4zuki | 9:33d5888d1fb9 | 307 | |
Kazuki Yamamoto |
30:d5c18e268866 | 308 | void AkiSpiLcd::_ram_writeStatus(uint8_t status) { |
Kazuki Yamamoto |
30:d5c18e268866 | 309 | _ram_select(); |
Kazuki Yamamoto |
30:d5c18e268866 | 310 | _spi.write(WRITE_STATUS); |
Kazuki Yamamoto |
30:d5c18e268866 | 311 | _spi.write(status); |
Kazuki Yamamoto |
30:d5c18e268866 | 312 | _ram_deselect(); |
k4zuki | 9:33d5888d1fb9 | 313 | } |
k4zuki | 9:33d5888d1fb9 | 314 | |
Kazuki Yamamoto |
30:d5c18e268866 | 315 | void AkiSpiLcd::_ram_prepareCommand(uint8_t command, int address) { |
Kazuki Yamamoto |
30:d5c18e268866 | 316 | _ram_select(); |
Kazuki Yamamoto |
30:d5c18e268866 | 317 | _spi.write(command); |
Kazuki Yamamoto |
30:d5c18e268866 | 318 | _spi.write(address >> 8); |
Kazuki Yamamoto |
30:d5c18e268866 | 319 | _spi.write(address & 0xFF); |
k4zuki | 9:33d5888d1fb9 | 320 | } |
k4zuki | 9:33d5888d1fb9 | 321 | |
Kazuki Yamamoto |
30:d5c18e268866 | 322 | void AkiSpiLcd::_ram_select() { _csr = 0; } |
Kazuki Yamamoto |
30:d5c18e268866 | 323 | |
Kazuki Yamamoto |
30:d5c18e268866 | 324 | void AkiSpiLcd::_ram_deselect() { _csr = 1; } |
k4zuki | 14:812873f3a933 | 325 | |
Kazuki Yamamoto |
30:d5c18e268866 | 326 | void AkiSpiLcd::_cls_ram(int address) { |
Kazuki Yamamoto |
30:d5c18e268866 | 327 | _modeflag = 1; |
Kazuki Yamamoto |
30:d5c18e268866 | 328 | _clearflag = 0; |
Kazuki Yamamoto |
30:d5c18e268866 | 329 | _ram_writeStatus(SEQUENTIAL_MODE); |
Kazuki Yamamoto |
30:d5c18e268866 | 330 | _ram_prepareCommand(WRITE, address); |
Kazuki Yamamoto |
30:d5c18e268866 | 331 | for (int i = 1; i <= (240); i++) { |
Kazuki Yamamoto |
30:d5c18e268866 | 332 | _spi.write((_modeflag << 7) | (_comflag << 6) | (_clearflag << 5)); |
Kazuki Yamamoto |
30:d5c18e268866 | 333 | _spi.write((uint8_t)lcd_line[i]); |
Kazuki Yamamoto |
30:d5c18e268866 | 334 | for (int j = 0; j < 50; j++) { |
Kazuki Yamamoto |
30:d5c18e268866 | 335 | _spi.write(0x00); |
k4zuki | 14:812873f3a933 | 336 | } |
Kazuki Yamamoto |
30:d5c18e268866 | 337 | } |
Kazuki Yamamoto |
30:d5c18e268866 | 338 | _ram_deselect(); |
Kazuki Yamamoto |
30:d5c18e268866 | 339 | _ram_writeStatus(BYTE_MODE); |
k4zuki | 9:33d5888d1fb9 | 340 | } |