| 1 | /* |
| 2 | |
| 3 | u8x8_d_st7528.c |
| 4 | |
| 5 | Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/) |
| 6 | |
| 7 | Copyright (c) 2019, olikraus@gmail.com |
| 8 | All rights reserved. |
| 9 | |
| 10 | Redistribution and use in source and binary forms, with or without modification, |
| 11 | are permitted provided that the following conditions are met: |
| 12 | |
| 13 | * Redistributions of source code must retain the above copyright notice, this list |
| 14 | of conditions and the following disclaimer. |
| 15 | |
| 16 | * Redistributions in binary form must reproduce the above copyright notice, this |
| 17 | list of conditions and the following disclaimer in the documentation and/or other |
| 18 | materials provided with the distribution. |
| 19 | |
| 20 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
| 21 | CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
| 22 | INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 23 | MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 24 | DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR |
| 25 | CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 26 | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 27 | NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 28 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| 29 | CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 30 | STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 31 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| 32 | ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 33 | |
| 34 | ST7528: 16 Graylevel Controller |
| 35 | https://github.com/olikraus/u8g2/issues/986 |
| 36 | I2C Address: 0x03f (0x7e) |
| 37 | |
| 38 | |
| 39 | ERC16004 |
| 40 | https://www.buydisplay.com/default/2-inch-lcd-160x64-graphic-module-serial-spi-display-st7528-black-on-white |
| 41 | |
| 42 | */ |
| 43 | |
| 44 | |
| 45 | #include "u8x8.h" |
| 46 | |
| 47 | |
| 48 | static const uint8_t u8x8_d_st7528_powersave0_seq[] = { |
| 49 | U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
| 50 | U8X8_CA(0x038, 0x074), /* ext mode 0*/ |
| 51 | U8X8_C(0x0af), /* display on */ |
| 52 | U8X8_END_TRANSFER(), /* disable chip */ |
| 53 | U8X8_END() /* end of sequence */ |
| 54 | }; |
| 55 | |
| 56 | static const uint8_t u8x8_d_st7528_powersave1_seq[] = { |
| 57 | U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
| 58 | U8X8_CA(0x038, 0x074), /* ext mode 0*/ |
| 59 | U8X8_C(0x0ae), /* display off */ |
| 60 | U8X8_END_TRANSFER(), /* disable chip */ |
| 61 | U8X8_END() /* end of sequence */ |
| 62 | }; |
| 63 | |
| 64 | static const uint8_t u8x8_d_st7528_flip0_seq[] = { |
| 65 | U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
| 66 | U8X8_C(0x0a0), /* ADC */ |
| 67 | U8X8_C(0x0c8), /* SHL */ |
| 68 | U8X8_END_TRANSFER(), /* disable chip */ |
| 69 | U8X8_END() /* end of sequence */ |
| 70 | }; |
| 71 | |
| 72 | static const uint8_t u8x8_d_st7528_flip1_seq[] = { |
| 73 | U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
| 74 | U8X8_C(0x0a1), /* ADC */ |
| 75 | U8X8_C(0x0c0), /* SHL */ |
| 76 | U8X8_END_TRANSFER(), /* disable chip */ |
| 77 | U8X8_END() /* end of sequence */ |
| 78 | }; |
| 79 | |
| 80 | |
| 81 | /* |
| 82 | input: |
| 83 | one tile (8 Bytes) |
| 84 | output: |
| 85 | Tile for st7528 (32 Bytes) |
| 86 | */ |
| 87 | |
| 88 | static uint8_t u8x8_st7528_8to32_dest_buf[32]; |
| 89 | |
| 90 | static uint8_t *u8x8_st7528_8to32(U8X8_UNUSED u8x8_t *u8x8, uint8_t *ptr) |
| 91 | { |
| 92 | uint8_t j; |
| 93 | uint8_t *dest; |
| 94 | |
| 95 | dest = u8x8_st7528_8to32_dest_buf; |
| 96 | for( j = 0; j < 8; j++ ) |
| 97 | { |
| 98 | *dest++ =*ptr; |
| 99 | *dest++ =*ptr; |
| 100 | *dest++ =*ptr; |
| 101 | *dest++ =*ptr; |
| 102 | ptr++; |
| 103 | } |
| 104 | return u8x8_st7528_8to32_dest_buf; |
| 105 | } |
| 106 | |
| 107 | |
| 108 | |
| 109 | static uint8_t u8x8_d_st7528_generic(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) |
| 110 | { |
| 111 | uint8_t x; |
| 112 | uint8_t y, c; |
| 113 | uint8_t *ptr; |
| 114 | switch(msg) |
| 115 | { |
| 116 | /* handled by the calling function |
| 117 | case U8X8_MSG_DISPLAY_SETUP_MEMORY: |
| 118 | u8x8_d_helper_display_setup_memory(u8x8, &u8x8_st7528_display_info); |
| 119 | break; |
| 120 | case U8X8_MSG_DISPLAY_INIT: |
| 121 | u8x8_d_helper_display_init(u8x8); |
| 122 | u8x8_cad_SendSequence(u8x8, u8x8_d_st7528_nhd_c160100_init_seq); |
| 123 | */ |
| 124 | break; |
| 125 | case U8X8_MSG_DISPLAY_SET_POWER_SAVE: |
| 126 | if ( arg_int == 0 ) |
| 127 | u8x8_cad_SendSequence(u8x8, u8x8_d_st7528_powersave0_seq); |
| 128 | else |
| 129 | u8x8_cad_SendSequence(u8x8, u8x8_d_st7528_powersave1_seq); |
| 130 | break; |
| 131 | case U8X8_MSG_DISPLAY_SET_FLIP_MODE: |
| 132 | if ( arg_int == 0 ) |
| 133 | { |
| 134 | u8x8_cad_SendSequence(u8x8, u8x8_d_st7528_flip0_seq); |
| 135 | u8x8->x_offset = u8x8->display_info->default_x_offset; |
| 136 | } |
| 137 | else |
| 138 | { |
| 139 | u8x8_cad_SendSequence(u8x8, u8x8_d_st7528_flip1_seq); |
| 140 | u8x8->x_offset = u8x8->display_info->flipmode_x_offset; |
| 141 | } |
| 142 | break; |
| 143 | #ifdef U8X8_WITH_SET_CONTRAST |
| 144 | case U8X8_MSG_DISPLAY_SET_CONTRAST: |
| 145 | u8x8_cad_StartTransfer(u8x8); |
| 146 | u8x8_cad_SendCmd(u8x8, 0x081 ); |
| 147 | u8x8_cad_SendArg(u8x8, arg_int ); /* ssd1326 has range from 0 to 255 */ |
| 148 | u8x8_cad_EndTransfer(u8x8); |
| 149 | break; |
| 150 | #endif |
| 151 | case U8X8_MSG_DISPLAY_DRAW_TILE: |
| 152 | u8x8_cad_StartTransfer(u8x8); |
| 153 | x = ((u8x8_tile_t *)arg_ptr)->x_pos; |
| 154 | x *= 8; // not clear |
| 155 | |
| 156 | y = (((u8x8_tile_t *)arg_ptr)->y_pos); |
| 157 | |
| 158 | |
| 159 | |
| 160 | do |
| 161 | { |
| 162 | c = ((u8x8_tile_t *)arg_ptr)->cnt; |
| 163 | ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr; |
| 164 | |
| 165 | do |
| 166 | { |
| 167 | u8x8_cad_SendCmd(u8x8, 0xb0 | y ); /* set page address */ |
| 168 | u8x8_cad_SendCmd(u8x8, 0x10| (x>>4) ); /* set col msb*/ |
| 169 | u8x8_cad_SendCmd(u8x8, 0x00| (x&15) ); /* set col lsb*/ |
| 170 | |
| 171 | u8x8_cad_SendData(u8x8, 32, u8x8_st7528_8to32(u8x8, ptr)); |
| 172 | |
| 173 | ptr += 8; |
| 174 | x += 8; |
| 175 | c--; |
| 176 | } while( c > 0 ); |
| 177 | arg_int--; |
| 178 | } while( arg_int > 0 ); |
| 179 | |
| 180 | u8x8_cad_EndTransfer(u8x8); |
| 181 | break; |
| 182 | default: |
| 183 | return 0; |
| 184 | } |
| 185 | return 1; |
| 186 | } |
| 187 | |
| 188 | |
| 189 | static void u8x8_d_st7528_graylevel_init(u8x8_t *u8x8, uint8_t mode0) |
| 190 | { |
| 191 | uint8_t i; |
| 192 | |
| 193 | u8x8_cad_StartTransfer(u8x8); |
| 194 | u8x8_cad_SendCmd(u8x8, 0x38 ); |
| 195 | u8x8_cad_SendArg(u8x8, mode0+1 ); |
| 196 | for( i = 0; i < 64; i++ ) |
| 197 | { |
| 198 | u8x8_cad_SendCmd(u8x8, i+0x080 ); |
| 199 | u8x8_cad_SendArg(u8x8, i & 0xfc); |
| 200 | } |
| 201 | u8x8_cad_SendCmd(u8x8, 0x38 ); |
| 202 | u8x8_cad_SendArg(u8x8, mode0 ); |
| 203 | u8x8_cad_EndTransfer(u8x8); |
| 204 | } |
| 205 | |
| 206 | /*===============================================================*/ |
| 207 | /* NHD C160100 */ |
| 208 | static const uint8_t u8x8_d_st7528_nhd_c160100_init_seq[] = { |
| 209 | |
| 210 | U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
| 211 | |
| 212 | |
| 213 | /* |
| 214 | I2C_out(0x48);//partial display duty ratio |
| 215 | I2C_out(0x64);// 1/100 duty |
| 216 | I2C_out(0xA0);//ADC select |
| 217 | I2C_out(0xC8);//SHL select |
| 218 | I2C_out(0x44);//initial Com0 register |
| 219 | I2C_out(0x00);//scan from Com0 |
| 220 | I2C_out(0xAB);//OSC on |
| 221 | I2C_out(0x26);// |
| 222 | I2C_out(0x81); //set electronic volume |
| 223 | I2C_out(0x15);//vopcode=0x1C |
| 224 | I2C_out(0x56);//set 1/11 bias |
| 225 | I2C_out(0x64);//3x |
| 226 | delay(2); |
| 227 | I2C_out(0x2C);// |
| 228 | I2C_out(0x66);//5x |
| 229 | delay(2); |
| 230 | I2C_out(0x2E);// |
| 231 | delay(2); |
| 232 | I2C_out(0x2F);//power control |
| 233 | I2C_out(0xF3);//bias save circuit |
| 234 | I2C_out(0x00);// |
| 235 | I2C_out(0x96);//frc and pwm |
| 236 | I2C_out(0x38);//external mode |
| 237 | I2C_out(0x75);// |
| 238 | I2C_out(0x97);//3frc, 45 pwm THIS IS A MODE0 CMD, IT IS USELESS HERE |
| 239 | I2C_out(0x80);//start 16-level grayscale settings |
| 240 | */ |
| 241 | U8X8_CA(0x038, 0x064), /* ext mode 0*/ |
| 242 | U8X8_CA(0x048, 0x064), /* partial display duty ratio, 1/100 duty*/ |
| 243 | U8X8_C(0x0a0), /* ADC */ |
| 244 | U8X8_C(0x0c8), /* SHL */ |
| 245 | U8X8_CA(0x044, 0x000), /* initial Com0 */ |
| 246 | U8X8_CA(0x040, 0x000), /* y shift, issue https://github.com/olikraus/u8g2/issues/1828 */ |
| 247 | U8X8_C(0x0ab), /* start oscillator */ |
| 248 | U8X8_C(0x026), /* Select the internal resistance ratio of the regulator resistor */ |
| 249 | U8X8_CA(0x081, 0x015), /* volumn */ |
| 250 | U8X8_C(0x056), /* LCD Bias */ |
| 251 | U8X8_C(0x064), /* DC DC step up */ |
| 252 | U8X8_DLY(2), |
| 253 | U8X8_C(0x02c), /* Power Control */ |
| 254 | U8X8_C(0x066), /* DC DC step up */ |
| 255 | U8X8_DLY(2), |
| 256 | U8X8_C(0x02e), /* Power Control */ |
| 257 | U8X8_DLY(2), |
| 258 | U8X8_C(0x02f), /* Power Control */ |
| 259 | U8X8_CA(0x0f3, 0x000), /* bias power save */ |
| 260 | U8X8_C(0x096), /* frc and pwm */ |
| 261 | |
| 262 | U8X8_END_TRANSFER(), /* disable chip */ |
| 263 | U8X8_END() /* end of sequence */ |
| 264 | }; |
| 265 | |
| 266 | static const u8x8_display_info_t u8x8_st7528_160x100_display_info = |
| 267 | { |
| 268 | /* chip_enable_level = */ 0, |
| 269 | /* chip_disable_level = */ 1, |
| 270 | |
| 271 | /* post_chip_enable_wait_ns = */ 20, |
| 272 | /* pre_chip_disable_wait_ns = */ 20, |
| 273 | /* reset_pulse_width_ms = */ 5, |
| 274 | /* post_reset_wait_ms = */ 5, /**/ |
| 275 | /* sda_setup_time_ns = */ 20, /* st7528 */ |
| 276 | /* sck_pulse_width_ns = */ 25, /* st7528 */ |
| 277 | /* sck_clock_hz = */ 8000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns */ |
| 278 | /* st7528 actually allows 20MHz according to the datasheet */ |
| 279 | /* spi_mode = */ 0, /* active high, rising edge */ |
| 280 | /* i2c_bus_clock_100kHz = */ 4, |
| 281 | /* data_setup_time_ns = */ 40, |
| 282 | /* write_pulse_width_ns = */ 80, /* st7528 */ |
| 283 | /* tile_width = */ 20, |
| 284 | /* tile_height = */ 13, |
| 285 | /* default_x_offset = */ 0, /* x_offset is used as y offset for the ssd1326 */ |
| 286 | /* flipmode_x_offset = */ 0, /* x_offset is used as y offset for the ssd1326 */ |
| 287 | /* pixel_width = */ 160, |
| 288 | /* pixel_height = */ 100 |
| 289 | }; |
| 290 | |
| 291 | uint8_t u8x8_d_st7528_nhd_c160100(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) |
| 292 | { |
| 293 | if ( msg == U8X8_MSG_DISPLAY_SETUP_MEMORY ) |
| 294 | { |
| 295 | u8x8_d_helper_display_setup_memory(u8x8, &u8x8_st7528_160x100_display_info); |
| 296 | return 1; |
| 297 | } |
| 298 | if ( msg == U8X8_MSG_DISPLAY_INIT ) |
| 299 | { |
| 300 | u8x8_d_helper_display_init(u8x8); |
| 301 | u8x8_cad_SendSequence(u8x8, u8x8_d_st7528_nhd_c160100_init_seq); |
| 302 | u8x8_d_st7528_graylevel_init(u8x8, 0x074); |
| 303 | return 1; |
| 304 | } |
| 305 | return u8x8_d_st7528_generic(u8x8, msg, arg_int, arg_ptr); |
| 306 | } |
| 307 | |
| 308 | /*===============================================================*/ |
| 309 | /* ERC16064, https://www.buydisplay.com/2-inch-lcd-160x64-graphic-module-serial-spi-display-st7528-black-on-white */ |
| 310 | |
| 311 | /* |
| 312 | |
| 313 | #define ModeSet 0x38 |
| 314 | #define ModeSetP1 0x64 //EXT=0 |
| 315 | #define ModeSetP2 0x65 //EXT=1 |
| 316 | |
| 317 | #define Display_on 0xaf |
| 318 | #define Display_off 0xae |
| 319 | |
| 320 | #define Regulator 0x26 |
| 321 | #define Contrast_level 0x81 |
| 322 | #define PowerControll_on1 0x2c |
| 323 | #define PowerControll_on2 0x2e |
| 324 | #define PowerControll_on3 0x2f |
| 325 | |
| 326 | #define LcdBias_9 0x54 |
| 327 | #define InterOsc_on 0xab |
| 328 | #define EntireDisp_on 0xa5 |
| 329 | #define EntireDisp_off 0xa4 |
| 330 | #define BoostLevel_5 0x66 |
| 331 | #define Duty_set 0x48 |
| 332 | #define Duty_setP 0x40 |
| 333 | #define Start_columnlsb 0x00 |
| 334 | #define Start_columnmsb 0x10 |
| 335 | #define Start_page 0xb0 |
| 336 | #define StartLine_set 0x40 |
| 337 | //#define StartLine_setP 0x00 |
| 338 | #define Set_Initial_COM0 0x44 |
| 339 | #define Set_Initial_COM0P 0x12 |
| 340 | |
| 341 | |
| 342 | #define Entire_Displa_ON 0xA5 |
| 343 | #define Entire_Displa_OFF 0xA4 |
| 344 | |
| 345 | #define FrcPwm_set 0x92 |
| 346 | #define NLineInversion_on 0x4c |
| 347 | #define NLineInversion_onP 0x1f |
| 348 | #define NLineInversion_off 0xe4 |
| 349 | #define ReverseDisp_on 0xa7 |
| 350 | #define ReverseDisp_off 0xa6 |
| 351 | #define AdcSelect 0xa0 |
| 352 | #define ComScanDirection 0xc8 |
| 353 | |
| 354 | Write_command(ModeSet); 0x38, 0x64 |
| 355 | Write_command(ModeSetP1); |
| 356 | Write_command(InterOsc_on); 0xab |
| 357 | Write_command(Set_Initial_COM0); 0x44, 0x12 |
| 358 | Write_command(Set_Initial_COM0P); |
| 359 | |
| 360 | Write_command(AdcSelect); 0xa0 |
| 361 | Write_command(ComScanDirection); 0xc8 |
| 362 | Write_command(BoostLevel_5); 0x66 |
| 363 | Delay(1000); |
| 364 | Write_command(LcdBias_9); 0x54 |
| 365 | Write_command(Duty_set); 0x48, 0x40 |
| 366 | Write_command(Duty_setP); |
| 367 | Write_command(Regulator); 0x26 |
| 368 | Write_command(Contrast_level); 0x81, 0x0b |
| 369 | Write_command(Contrast_levelP); |
| 370 | Write_command(PowerControll_on1); 0x2c |
| 371 | Delay(10000); |
| 372 | Write_command(PowerControll_on2); 0x2e |
| 373 | Delay(1000); |
| 374 | Write_command(PowerControll_on3); 0x2f |
| 375 | Delay(1000); |
| 376 | Write_command(FrcPwm_set); 0x92 |
| 377 | |
| 378 | Write_command(ModeSet); |
| 379 | Write_command(ModeSetP2); |
| 380 | for(i=0;i<64;i++) |
| 381 | { |
| 382 | Write_command(0x80+i); |
| 383 | Write_command(Gray_Parameters[i]); |
| 384 | } |
| 385 | Write_command(ModeSet); |
| 386 | Write_command(ModeSetP1); |
| 387 | */ |
| 388 | |
| 389 | static const uint8_t u8x8_d_st7528_erc16064_init_seq[] = { |
| 390 | U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
| 391 | U8X8_CA(0x038, 0x064), /* ext mode 0*/ |
| 392 | U8X8_C(0x0ab), /* start oscillator */ |
| 393 | U8X8_CA(0x044, 0x012), /* initial Com0 */ |
| 394 | U8X8_C(0x0a0), /* ADC */ |
| 395 | U8X8_C(0x0c8), /* SHL */ |
| 396 | U8X8_C(0x066), /* boost level, ERC16064: 0x066 */ |
| 397 | U8X8_DLY(1), |
| 398 | U8X8_C(0x054), /* LCD Bias, ERC16064: 0x054 */ |
| 399 | U8X8_CA(0x048, 0x040), /* partial display duty ratio */ |
| 400 | U8X8_C(0x026), /* Select the internal resistance ratio of the regulator resistor */ |
| 401 | U8X8_CA(0x081, 0x00b), /* contrast, ERC16064: 0x00b */ |
| 402 | |
| 403 | U8X8_C(0x02c), /* Power Control */ |
| 404 | U8X8_DLY(2), |
| 405 | U8X8_C(0x02e), /* Power Control */ |
| 406 | U8X8_DLY(2), |
| 407 | U8X8_C(0x02f), /* Power Control */ |
| 408 | U8X8_DLY(2), |
| 409 | U8X8_C(0x092), /* frc and pwm, ERC160624: 0x092 */ |
| 410 | |
| 411 | |
| 412 | |
| 413 | U8X8_END_TRANSFER(), /* disable chip */ |
| 414 | U8X8_END() /* end of sequence */ |
| 415 | }; |
| 416 | |
| 417 | |
| 418 | static const u8x8_display_info_t u8x8_st7528_erc16064_display_info = |
| 419 | { |
| 420 | /* chip_enable_level = */ 0, |
| 421 | /* chip_disable_level = */ 1, |
| 422 | |
| 423 | /* post_chip_enable_wait_ns = */ 20, |
| 424 | /* pre_chip_disable_wait_ns = */ 20, |
| 425 | /* reset_pulse_width_ms = */ 5, |
| 426 | /* post_reset_wait_ms = */ 5, /**/ |
| 427 | /* sda_setup_time_ns = */ 20, /* st7528 */ |
| 428 | /* sck_pulse_width_ns = */ 25, /* st7528 */ |
| 429 | /* sck_clock_hz = */ 8000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns */ |
| 430 | /* st7528 actually allows 20MHz according to the datasheet */ |
| 431 | /* spi_mode = */ 0, /* active high, rising edge */ |
| 432 | /* i2c_bus_clock_100kHz = */ 4, |
| 433 | /* data_setup_time_ns = */ 40, |
| 434 | /* write_pulse_width_ns = */ 80, /* st7528 */ |
| 435 | /* tile_width = */ 20, |
| 436 | /* tile_height = */ 8, |
| 437 | /* default_x_offset = */ 0, /* x_offset is used as y offset for the ssd1326 */ |
| 438 | /* flipmode_x_offset = */ 0, /* x_offset is used as y offset for the ssd1326 */ |
| 439 | /* pixel_width = */ 160, |
| 440 | /* pixel_height = */ 64 |
| 441 | }; |
| 442 | |
| 443 | |
| 444 | uint8_t u8x8_d_st7528_erc16064(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) |
| 445 | { |
| 446 | if ( msg == U8X8_MSG_DISPLAY_SETUP_MEMORY ) |
| 447 | { |
| 448 | u8x8_d_helper_display_setup_memory(u8x8, &u8x8_st7528_erc16064_display_info); |
| 449 | return 1; |
| 450 | } |
| 451 | if ( msg == U8X8_MSG_DISPLAY_INIT ) |
| 452 | { |
| 453 | u8x8_d_helper_display_init(u8x8); |
| 454 | u8x8_cad_SendSequence(u8x8, u8x8_d_st7528_erc16064_init_seq); |
| 455 | u8x8_d_st7528_graylevel_init(u8x8, 0x064); |
| 456 | return 1; |
| 457 | } |
| 458 | return u8x8_d_st7528_generic(u8x8, msg, arg_int, arg_ptr); |
| 459 | } |
| 460 | |
| 461 | |