| 1 | /* |
| 2 | |
| 3 | u8x8_d_hd44102.c |
| 4 | |
| 5 | Support for HD44102 and T7932 controller (https://github.com/olikraus/u8g2/issues/1492) |
| 6 | |
| 7 | Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/) |
| 8 | |
| 9 | Copyright (c) 2021, olikraus@gmail.com |
| 10 | All rights reserved. |
| 11 | |
| 12 | Redistribution and use in source and binary forms, with or without modification, |
| 13 | are permitted provided that the following conditions are met: |
| 14 | |
| 15 | * Redistributions of source code must retain the above copyright notice, this list |
| 16 | of conditions and the following disclaimer. |
| 17 | |
| 18 | * Redistributions in binary form must reproduce the above copyright notice, this |
| 19 | list of conditions and the following disclaimer in the documentation and/or other |
| 20 | materials provided with the distribution. |
| 21 | |
| 22 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
| 23 | CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
| 24 | INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 25 | MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 26 | DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR |
| 27 | CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 28 | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 29 | NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 30 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| 31 | CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 32 | STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 33 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| 34 | ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 35 | |
| 36 | |
| 37 | */ |
| 38 | #include "u8x8.h" |
| 39 | |
| 40 | |
| 41 | |
| 42 | |
| 43 | static const uint8_t u8x8_d_hd44102_init_seq[] = { |
| 44 | U8X8_C(0x03b), /* upcount */ |
| 45 | U8X8_C(0x03e), /* start at the top */ |
| 46 | U8X8_END() /* end of sequence */ |
| 47 | }; |
| 48 | |
| 49 | static const uint8_t u8x8_d_hd44102_powersave0_seq[] = { |
| 50 | U8X8_C(0x039), /* display on */ |
| 51 | U8X8_END() /* end of sequence */ |
| 52 | }; |
| 53 | |
| 54 | static const uint8_t u8x8_d_hd44102_powersave1_seq[] = { |
| 55 | U8X8_C(0x038), /* display off */ |
| 56 | U8X8_END() /* end of sequence */ |
| 57 | }; |
| 58 | |
| 59 | /* |
| 60 | data: pointer to "cnt" bytes |
| 61 | cnt: number of bytes, which should be sent |
| 62 | page: 0..3: the current page within the display |
| 63 | offset: offset location on the display, where the data should be placed |
| 64 | cs_none: 3-bit chip select pattern for not selecting any display |
| 65 | cs0: 3-bit chip select pattern for the left display (0..49) |
| 66 | cs1: 3-bit chip select pattern for the middle display (50..99) |
| 67 | cs2: 3-bit chip select pattern for the right display (100..149) |
| 68 | |
| 69 | The csX bit pattern is: |
| 70 | bit 0: CS |
| 71 | bit 1: CS1 |
| 72 | bit 2: CS2 |
| 73 | see u8x8_byte_set_ks0108_cs() in u8x8_byte.c |
| 74 | |
| 75 | */ |
| 76 | static void u8x8_hd44102_outy(u8x8_t *u8x8, uint8_t *data, uint8_t cnt, uint8_t page, uint8_t offset, uint8_t cs_none, uint8_t cs0, uint8_t cs1, uint8_t cs2) |
| 77 | { |
| 78 | uint8_t pos = offset; |
| 79 | uint8_t data_cnt; |
| 80 | |
| 81 | /* write to left display? */ |
| 82 | if ( pos < 50 && cnt > 0 ) |
| 83 | { |
| 84 | /* calculate number of bytes to sent */ |
| 85 | data_cnt = 50 - pos; |
| 86 | if ( data_cnt > cnt ) |
| 87 | data_cnt = cnt; |
| 88 | if ( data_cnt > 50 ) |
| 89 | data_cnt = 50; |
| 90 | |
| 91 | /* sent the data */ |
| 92 | u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, cs0, NULL); |
| 93 | u8x8_cad_SendCmd(u8x8, (page << 6) | pos ); |
| 94 | u8x8_cad_SendData(u8x8, data_cnt, data); |
| 95 | u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, cs_none, NULL); |
| 96 | |
| 97 | /* adjust the data */ |
| 98 | data += data_cnt; |
| 99 | pos += data_cnt; |
| 100 | cnt -= data_cnt; |
| 101 | } |
| 102 | |
| 103 | /* write to middle display? */ |
| 104 | if ( pos < 100 && cnt > 0 ) |
| 105 | { |
| 106 | /* calculate number of bytes to sent */ |
| 107 | data_cnt = 100 - pos; |
| 108 | if ( data_cnt > cnt ) |
| 109 | data_cnt = cnt; |
| 110 | if ( data_cnt > 50 ) |
| 111 | data_cnt = 50; |
| 112 | |
| 113 | /* sent the data */ |
| 114 | u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, cs1, NULL); |
| 115 | u8x8_cad_SendCmd(u8x8, (page << 6) | (pos-50) ); |
| 116 | u8x8_cad_SendData(u8x8, data_cnt, data); |
| 117 | u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, cs_none, NULL); |
| 118 | |
| 119 | /* adjust the data */ |
| 120 | data += data_cnt; |
| 121 | pos += data_cnt; |
| 122 | cnt -= data_cnt; |
| 123 | } |
| 124 | |
| 125 | /* write to right display? */ |
| 126 | if ( pos < 150 && cnt > 0 ) |
| 127 | { |
| 128 | /* calculate number of bytes to sent */ |
| 129 | data_cnt = 150 - pos; |
| 130 | if ( data_cnt > cnt ) |
| 131 | data_cnt = cnt; |
| 132 | if ( data_cnt > 50 ) |
| 133 | data_cnt = 50; |
| 134 | |
| 135 | /* sent the data */ |
| 136 | u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, cs2, NULL); |
| 137 | u8x8_cad_SendCmd(u8x8, (page << 6) | (pos-100) ); |
| 138 | u8x8_cad_SendData(u8x8, data_cnt, data); |
| 139 | u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, cs_none, NULL); |
| 140 | |
| 141 | /* adjust the data */ |
| 142 | data += data_cnt; |
| 143 | pos += data_cnt; |
| 144 | cnt -= data_cnt; |
| 145 | } |
| 146 | } |
| 147 | |
| 148 | |
| 149 | |
| 150 | |
| 151 | static const u8x8_display_info_t u8x8_hd44102_150x32_display_info = |
| 152 | { |
| 153 | /* chip_enable_level = */ 0, /* KS0108/HD44102: Not used */ |
| 154 | /* chip_disable_level = */ 1, /* KS0108/HD44102: Not used */ |
| 155 | |
| 156 | /* post_chip_enable_wait_ns = */ 100, |
| 157 | /* pre_chip_disable_wait_ns = */ 20, |
| 158 | /* reset_pulse_width_ms = */ 1, |
| 159 | /* post_reset_wait_ms = */ 6, |
| 160 | /* sda_setup_time_ns = */ 12, |
| 161 | /* sck_pulse_width_ns = */ 75, /* KS0108/HD44102: Not used */ |
| 162 | /* sck_clock_hz = */ 4000000UL, /* KS0108/HD44102: Not used */ |
| 163 | /* spi_mode = */ 0, /* active high, rising edge */ |
| 164 | /* i2c_bus_clock_100kHz = */ 4, /* KS0108/HD44102: Not used */ |
| 165 | /* data_setup_time_ns = */ 200, |
| 166 | /* write_pulse_width_ns = */ 250, /* KS0108/HD44102: actially 450 ns, but additional 200 ns are added by the byte transfer function */ |
| 167 | /* tile_width = */ 19, /* width of 19*8=152 pixel */ |
| 168 | /* tile_height = */ 4, |
| 169 | /* default_x_offset = */ 0, |
| 170 | /* flipmode_x_offset = */ 0, |
| 171 | /* pixel_width = */ 150, |
| 172 | /* pixel_height = */ 32 |
| 173 | }; |
| 174 | |
| 175 | //uint8_t u8x8_d_hd44102_150x32(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) |
| 176 | |
| 177 | uint8_t u8x8_d_t7932_150x32(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) |
| 178 | { |
| 179 | uint8_t cs[4] = {1, 2, 4, 0}; |
| 180 | uint8_t i; |
| 181 | uint8_t x, cnt; |
| 182 | switch(msg) |
| 183 | { |
| 184 | case U8X8_MSG_DISPLAY_SETUP_MEMORY: |
| 185 | u8x8_d_helper_display_setup_memory(u8x8, &u8x8_hd44102_150x32_display_info); |
| 186 | break; |
| 187 | case U8X8_MSG_DISPLAY_INIT: |
| 188 | u8x8_d_helper_display_init(u8x8); |
| 189 | |
| 190 | for( i = 0; i < 3; i++ ) |
| 191 | { |
| 192 | u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, cs[i], NULL); |
| 193 | u8x8_cad_SendSequence(u8x8, u8x8_d_hd44102_init_seq); |
| 194 | u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, cs[3], NULL); |
| 195 | } |
| 196 | |
| 197 | break; |
| 198 | case U8X8_MSG_DISPLAY_SET_POWER_SAVE: |
| 199 | |
| 200 | for( i = 0; i < 3; i++ ) |
| 201 | { |
| 202 | u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, cs[i], NULL); |
| 203 | if ( arg_int == 0 ) |
| 204 | { |
| 205 | u8x8_cad_SendSequence(u8x8, u8x8_d_hd44102_powersave0_seq); |
| 206 | } |
| 207 | else |
| 208 | { |
| 209 | u8x8_cad_SendSequence(u8x8, u8x8_d_hd44102_powersave1_seq); |
| 210 | } |
| 211 | u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, cs[3], NULL); |
| 212 | } |
| 213 | break; |
| 214 | // The HD44102 can not mirror the cols and rows, use U8g2 for rotation |
| 215 | // case U8X8_MSG_DISPLAY_SET_FLIP_MODE: |
| 216 | // break; |
| 217 | // The HD44102 has no internal contrast command |
| 218 | // case U8X8_MSG_DISPLAY_SET_CONTRAST: |
| 219 | // break; |
| 220 | case U8X8_MSG_DISPLAY_DRAW_TILE: |
| 221 | x = ((u8x8_tile_t *)arg_ptr)->x_pos; |
| 222 | cnt = ((u8x8_tile_t *)arg_ptr)->cnt; |
| 223 | x*=8; |
| 224 | cnt*=8; |
| 225 | |
| 226 | do |
| 227 | { |
| 228 | u8x8_hd44102_outy(u8x8, |
| 229 | ((u8x8_tile_t *)arg_ptr)->tile_ptr, |
| 230 | cnt, |
| 231 | ((u8x8_tile_t *)arg_ptr)->y_pos, |
| 232 | x, |
| 233 | cs[3], cs[0], cs[1], cs[2]); |
| 234 | arg_int--; |
| 235 | x += cnt; |
| 236 | } while (arg_int > 0); |
| 237 | |
| 238 | |
| 239 | break; |
| 240 | default: |
| 241 | return 0; |
| 242 | } |
| 243 | return 1; |
| 244 | } |
| 245 | |
| 246 | static const u8x8_display_info_t u8x8_hd44102_100x64_display_info = |
| 247 | { |
| 248 | /* chip_enable_level = */ 0, /* KS0108/HD44102: Not used */ |
| 249 | /* chip_disable_level = */ 1, /* KS0108/HD44102: Not used */ |
| 250 | |
| 251 | /* post_chip_enable_wait_ns = */ 100, |
| 252 | /* pre_chip_disable_wait_ns = */ 20, |
| 253 | /* reset_pulse_width_ms = */ 1, |
| 254 | /* post_reset_wait_ms = */ 6, |
| 255 | /* sda_setup_time_ns = */ 12, |
| 256 | /* sck_pulse_width_ns = */ 75, /* KS0108/HD44102: Not used */ |
| 257 | /* sck_clock_hz = */ 4000000UL, /* KS0108/HD44102: Not used */ |
| 258 | /* spi_mode = */ 0, /* active high, rising edge */ |
| 259 | /* i2c_bus_clock_100kHz = */ 4, /* KS0108/HD44102: Not used */ |
| 260 | /* data_setup_time_ns = */ 200, |
| 261 | /* write_pulse_width_ns = */ 250, /* KS0108/HD44102: actially 450 ns, but additional 200 ns are added by the byte transfer function */ |
| 262 | /* tile_width = */ 13, /* width of 13*8=104 pixel */ |
| 263 | /* tile_height = */ 8, |
| 264 | /* default_x_offset = */ 0, |
| 265 | /* flipmode_x_offset = */ 0, |
| 266 | /* pixel_width = */ 100, |
| 267 | /* pixel_height = */ 64 |
| 268 | }; |
| 269 | |
| 270 | uint8_t u8x8_d_hd44102_100x64(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) |
| 271 | { |
| 272 | uint8_t i; |
| 273 | uint8_t x, cnt, page; |
| 274 | switch(msg) |
| 275 | { |
| 276 | case U8X8_MSG_DISPLAY_SETUP_MEMORY: |
| 277 | u8x8_d_helper_display_setup_memory(u8x8, &u8x8_hd44102_100x64_display_info); |
| 278 | break; |
| 279 | case U8X8_MSG_DISPLAY_INIT: |
| 280 | u8x8_d_helper_display_init(u8x8); |
| 281 | |
| 282 | for( i = 0; i < 4; i++ ) |
| 283 | { |
| 284 | u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, i, NULL); |
| 285 | u8x8_cad_SendSequence(u8x8, u8x8_d_hd44102_init_seq); |
| 286 | u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 7, NULL); |
| 287 | } |
| 288 | |
| 289 | break; |
| 290 | case U8X8_MSG_DISPLAY_SET_POWER_SAVE: |
| 291 | |
| 292 | for( i = 0; i < 4; i++ ) |
| 293 | { |
| 294 | u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, i, NULL); |
| 295 | if ( arg_int == 0 ) |
| 296 | { |
| 297 | u8x8_cad_SendSequence(u8x8, u8x8_d_hd44102_powersave0_seq); |
| 298 | } |
| 299 | else |
| 300 | { |
| 301 | u8x8_cad_SendSequence(u8x8, u8x8_d_hd44102_powersave1_seq); |
| 302 | } |
| 303 | u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 7, NULL); |
| 304 | } |
| 305 | break; |
| 306 | // The HD44102 can not mirror the cols and rows, use U8g2 for rotation |
| 307 | // case U8X8_MSG_DISPLAY_SET_FLIP_MODE: |
| 308 | // break; |
| 309 | // The HD44102 has no internal contrast command |
| 310 | // case U8X8_MSG_DISPLAY_SET_CONTRAST: |
| 311 | // break; |
| 312 | case U8X8_MSG_DISPLAY_DRAW_TILE: |
| 313 | x = ((u8x8_tile_t *)arg_ptr)->x_pos; |
| 314 | cnt = ((u8x8_tile_t *)arg_ptr)->cnt; |
| 315 | page = ((u8x8_tile_t *)arg_ptr)->y_pos; |
| 316 | x*=8; |
| 317 | cnt*=8; |
| 318 | if ( page < 4 ) |
| 319 | { |
| 320 | do |
| 321 | { |
| 322 | u8x8_hd44102_outy(u8x8, |
| 323 | ((u8x8_tile_t *)arg_ptr)->tile_ptr, |
| 324 | cnt, |
| 325 | page, |
| 326 | x, |
| 327 | 7, 0, 1, 7); |
| 328 | arg_int--; |
| 329 | x += cnt; |
| 330 | } while (arg_int > 0); |
| 331 | } |
| 332 | else |
| 333 | { |
| 334 | do |
| 335 | { |
| 336 | u8x8_hd44102_outy(u8x8, |
| 337 | ((u8x8_tile_t *)arg_ptr)->tile_ptr, |
| 338 | cnt, |
| 339 | page-4, |
| 340 | x, |
| 341 | 7, 2, 3, 7); |
| 342 | arg_int--; |
| 343 | x += cnt; |
| 344 | } while (arg_int > 0); |
| 345 | } |
| 346 | |
| 347 | break; |
| 348 | default: |
| 349 | return 0; |
| 350 | } |
| 351 | return 1; |
| 352 | } |