components/epaper/EPD_3in7_U.c

   1 #include "EPD_3in7_U.h"
   2 #include "Debug.h"
   3
   4 //GC 0.9S
   5 static const UBYTE EPD_3in7_U_lut_R20_GC[] =
   6 {
   7     0x05,0x01,0x01,0x01,0x01,0x01,0x01,
   8     0x01,0x12,0x1C,0x01,0x01,0x01,0x01,
   9     0x01,0x20,0x20,0x20,0x01,0x01,0x01,
  10     0x01,0x08,0x12,0x05,0x05,0x01,0x02,
  11     0x01,0x00,0x00,0x00,0x00,0x01,0x01,
  12     0x01,0x00,0x00,0x00,0x00,0x01,0x01
  13 };
  14 static const UBYTE EPD_3in7_U_lut_R21_GC[] =
  15 {
  16     0x05,0x41,0x81,0x01,0x01,0x01,0x01,
  17     0x01,0x52,0x1C,0x01,0x01,0x01,0x01,
  18     0x01,0x20,0xA0,0x60,0x01,0x01,0x01,
  19     0x01,0x88,0x12,0x85,0x05,0x01,0x02,
  20     0x01,0x00,0x00,0x00,0x00,0x01,0x01,
  21     0x01,0x00,0x00,0x00,0x00,0x01,0x01
  22 };
  23 static const UBYTE EPD_3in7_U_lut_R22_GC[] =
  24 {
  25     0x05,0x41,0x81,0x01,0x01,0x01,0x01,
  26     0x01,0x52,0x1C,0x01,0x01,0x01,0x01,
  27     0x01,0x20,0xA0,0x60,0x01,0x01,0x01,
  28     0x01,0x88,0x12,0x85,0x05,0x01,0x02,
  29     0x01,0x00,0x00,0x00,0x00,0x01,0x01,
  30     0x01,0x00,0x00,0x00,0x00,0x01,0x01
  31 };
  32 static const UBYTE EPD_3in7_U_lut_R23_GC[] =
  33 {
  34     0x05,0x41,0x81,0x01,0x01,0x01,0x01,
  35     0x01,0x12,0x9C,0x01,0x01,0x01,0x01,
  36     0x01,0x60,0xA0,0x20,0x01,0x01,0x01,
  37     0x01,0x08,0x52,0x05,0x45,0x01,0x02,
  38     0x01,0x00,0x00,0x00,0x00,0x01,0x01,
  39     0x01,0x00,0x00,0x00,0x00,0x01,0x01
  40 };
  41 static const UBYTE EPD_3in7_U_lut_R24_GC[] =
  42 {
  43     0x05,0x41,0x81,0x01,0x01,0x01,0x01,
  44     0x01,0x12,0x9C,0x01,0x01,0x01,0x01,
  45     0x01,0x60,0xA0,0x20,0x01,0x01,0x01,
  46     0x01,0x08,0x52,0x05,0x45,0x01,0x02,
  47     0x01,0x00,0x00,0x00,0x00,0x01,0x01,
  48     0x01,0x00,0x00,0x00,0x00,0x01,0x01
  49 };
  50
  51
  52 // DU 0.3s
  53 static const UBYTE EPD_3in7_U_lut_R20_DU[] =
  54 {
  55     0x01,0x16,0x16,0x01,0x01,0x01,0x01,
  56     0x01,0x00,0x00,0x00,0x00,0x01,0x00,
  57     0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  58     0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  59     0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  60     0x00,0x00,0x00,0x00,0x00,0x00,0x00
  61 };
  62 static const UBYTE EPD_3in7_U_lut_R21_DU[] =
  63 {
  64     0x01,0x96,0x16,0x81,0x01,0x01,0x01,
  65     0x01,0x00,0x00,0x00,0x00,0x01,0x00,
  66     0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  67     0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  68     0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  69     0x00,0x00,0x00,0x00,0x00,0x00,0x00
  70 };
  71 static const UBYTE EPD_3in7_U_lut_R22_DU[] =
  72 {
  73     0x01,0x96,0x16,0x81,0x01,0x01,0x01,
  74     0x01,0x00,0x00,0x00,0x00,0x01,0x00,
  75     0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  76     0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  77     0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  78     0x00,0x00,0x00,0x00,0x00,0x00,0x00
  79 };
  80 static const UBYTE EPD_3in7_U_lut_R23_DU[] =
  81 {
  82     0x01,0x96,0x56,0x01,0x01,0x01,0x01,
  83     0x01,0x00,0x00,0x00,0x00,0x01,0x00,
  84     0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  85     0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  86     0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  87     0x00,0x00,0x00,0x00,0x00,0x00,0x00
  88 };
  89 static const UBYTE EPD_3in7_U_lut_R24_DU[] =
  90 {
  91     0x01,0x96,0x56,0x01,0x01,0x01,0x01,
  92     0x01,0x00,0x00,0x00,0x00,0x01,0x00,
  93     0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  94     0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  95     0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  96     0x00,0x00,0x00,0x00,0x00,0x00,0x00
  97 };
  98
  99 //
 100 static const UBYTE EPD_3in7_U_lut_vcom[] =
 101 {
 102     0x05,0x14,0x14,0x01,0x01,0x01,0x01,
 103     0x01,0x00,0x00,0x00,0x00,0x01,0x01,
 104     0x01,0x00,0x00,0x00,0x00,0x01,0x01,
 105     0x01,0x00,0x00,0x00,0x00,0x01,0x01,
 106     0x01,0x00,0x00,0x00,0x00,0x01,0x01,
 107     0x01,0x00,0x00,0x00,0x00,0x01,0x01
 108 };
 109
 110 static const UBYTE EPD_3in7_U_lut_ww[] =
 111 {
 112     0x05,0x54,0x94,0x01,0x01,0x01,0x01,
 113     0x01,0x00,0x00,0x00,0x00,0x01,0x01,
 114     0x01,0x00,0x00,0x00,0x00,0x01,0x01,
 115     0x01,0x00,0x00,0x00,0x00,0x01,0x01,
 116     0x01,0x00,0x00,0x00,0x00,0x01,0x01,
 117     0x01,0x00,0x00,0x00,0x00,0x01,0x01
 118 };
 119
 120 static const UBYTE EPD_3in7_U_lut_bw[] =
 121 {
 122     0x05,0x54,0x94,0x01,0x01,0x01,0x01,
 123     0x01,0x00,0x00,0x00,0x00,0x01,0x01,
 124     0x01,0x00,0x00,0x00,0x00,0x01,0x01,
 125     0x01,0x00,0x00,0x00,0x00,0x01,0x01,
 126     0x01,0x00,0x00,0x00,0x00,0x01,0x01,
 127     0x01,0x00,0x00,0x00,0x00,0x01,0x01
 128 };
 129
 130 static const UBYTE EPD_3in7_U_lut_wb[] =
 131 {
 132     0x05,0x54,0x94,0x01,0x01,0x01,0x01,
 133     0x01,0x00,0x00,0x00,0x00,0x01,0x01,
 134     0x01,0x00,0x00,0x00,0x00,0x01,0x01,
 135     0x01,0x00,0x00,0x00,0x00,0x01,0x01,
 136     0x01,0x00,0x00,0x00,0x00,0x01,0x01,
 137     0x01,0x00,0x00,0x00,0x00,0x01,0x01
 138 };
 139
 140 static const UBYTE EPD_3in7_U_lut_bb[] =
 141 {
 142     0x05,0x54,0x94,0x01,0x01,0x01,0x01,
 143     0x01,0x00,0x00,0x00,0x00,0x01,0x01,
 144     0x01,0x00,0x00,0x00,0x00,0x01,0x01,
 145     0x01,0x00,0x00,0x00,0x00,0x01,0x01,
 146     0x01,0x00,0x00,0x00,0x00,0x01,0x01,
 147     0x01,0x00,0x00,0x00,0x00,0x01,0x01
 148 };
 149
 150 unsigned char EPD_3in7_U_Flag = 0;
 151
 152 /******************************************************************************
 153 function :      Software reset
 154 parameter:
 155 ******************************************************************************/
 156 void EPD_3in7_U_Reset(void)
 157 {
 158     DEV_Digital_Write(EPD_RST_PIN, 1);
 159     DEV_Delay_ms(200);
 160     DEV_Digital_Write(EPD_RST_PIN, 0);
 161     DEV_Delay_ms(2);
 162     DEV_Digital_Write(EPD_RST_PIN, 1);
 163     DEV_Delay_ms(200);
 164 }
 165
 166 /******************************************************************************
 167 function :      send command
 168 parameter:
 169      Reg : Command register
 170 ******************************************************************************/
 171 void EPD_3in7_U_SendCommand(UBYTE Reg)
 172 {
 173     DEV_Digital_Write(EPD_DC_PIN, 0);
 174     DEV_Digital_Write(EPD_CS_PIN, 0);
 175     DEV_SPI_WriteByte(Reg);
 176     DEV_Digital_Write(EPD_CS_PIN, 1);
 177 }
 178
 179 /******************************************************************************
 180 function :      send data
 181 parameter:
 182     Data : Write data
 183 ******************************************************************************/
 184 void EPD_3in7_U_SendData(UBYTE Data)
 185 {
 186     DEV_Digital_Write(EPD_DC_PIN, 1);
 187     DEV_Digital_Write(EPD_CS_PIN, 0);
 188     DEV_SPI_WriteByte(Data);
 189     DEV_Digital_Write(EPD_CS_PIN, 1);
 190 }
 191
 192 /******************************************************************************
 193 function :      Read Busy
 194 parameter:
 195 ******************************************************************************/
 196 void EPD_3in7_U_ReadBusy(void)
 197 {
 198     EPD_Busy_WaitUntil(1,0);
 199     // Debug("e-Paper busy\r\n");
 200     // UBYTE busy;
 201     // do {
 202     //     busy = DEV_Digital_Read(EPD_BUSY_PIN);
 203     // } while(!busy);
 204     // DEV_Delay_ms(200);
 205     // Debug("e-Paper busy release\r\n");
 206 }
 207
 208 /**
 209  * @brief
 210  *
 211  */
 212 void EPD_3in7_U_lut(void)
 213 {
 214     UBYTE count;
 215     EPD_3in7_U_SendCommand(0x20);        // vcom
 216     for(count = 0; count < 42 ; count++)
 217     {
 218         EPD_3in7_U_SendData(EPD_3in7_U_lut_vcom[count]);
 219     }
 220
 221     EPD_3in7_U_SendCommand(0x21);        // ww --
 222     for(count = 0; count < 42 ; count++)
 223     {
 224         EPD_3in7_U_SendData(EPD_3in7_U_lut_ww[count]);
 225     }
 226
 227     EPD_3in7_U_SendCommand(0x22);        // bw r
 228     for(count = 0; count < 42 ; count++)
 229     {
 230         EPD_3in7_U_SendData(EPD_3in7_U_lut_bw[count]);
 231     }
 232
 233     EPD_3in7_U_SendCommand(0x23);        // wb w
 234     for(count = 0; count < 42 ; count++)
 235     {
 236         EPD_3in7_U_SendData(EPD_3in7_U_lut_bb[count]);
 237     }
 238
 239     EPD_3in7_U_SendCommand(0x24);        // bb b
 240     for(count = 0; count < 42 ; count++)
 241     {
 242         EPD_3in7_U_SendData(EPD_3in7_U_lut_wb[count]);
 243     }
 244 }
 245
 246 /**
 247  * @brief
 248  *
 249  */
 250 void EPD_3in7_U_refresh(void)
 251 {
 252     EPD_3in7_U_SendCommand(0x17);
 253     EPD_3in7_U_SendData(0xA5);
 254     EPD_3in7_U_ReadBusy();
 255     DEV_Delay_ms(200);
 256 }
 257
 258 // LUT download
 259 void EPD_3in7_U_lut_GC(void)
 260 {
 261     UBYTE count;
 262     EPD_3in7_U_SendCommand(0x20);        // vcom
 263     for(count = 0; count < 56 ; count++)
 264     {
 265         EPD_3in7_U_SendData(EPD_3in7_U_lut_R20_GC[count]);
 266     }
 267
 268     EPD_3in7_U_SendCommand(0x21);        // red not use
 269     for(count = 0; count < 42 ; count++)
 270     {
 271         EPD_3in7_U_SendData(EPD_3in7_U_lut_R21_GC[count]);
 272     }
 273
 274     EPD_3in7_U_SendCommand(0x24);        // bb b
 275     for(count = 0; count < 42 ; count++)
 276     {
 277         EPD_3in7_U_SendData(EPD_3in7_U_lut_R24_GC[count]);
 278     }
 279
 280     if(EPD_3in7_U_Flag == 0)
 281     {
 282         EPD_3in7_U_SendCommand(0x22);    // bw r
 283         for(count = 0; count < 56 ; count++)
 284         {
 285             EPD_3in7_U_SendData(EPD_3in7_U_lut_R22_GC[count]);
 286         }
 287
 288         EPD_3in7_U_SendCommand(0x23);    // wb w
 289         for(count = 0; count < 42 ; count++)
 290         {
 291             EPD_3in7_U_SendData(EPD_3in7_U_lut_R23_GC[count]);
 292         }
 293
 294         EPD_3in7_U_Flag = 1;
 295     }
 296
 297     else
 298     {
 299         EPD_3in7_U_SendCommand(0x22);    // bw r
 300         for(count = 0; count < 56 ; count++)
 301         {
 302             EPD_3in7_U_SendData(EPD_3in7_U_lut_R23_GC[count]);
 303         }
 304
 305         EPD_3in7_U_SendCommand(0x23);    // wb w
 306         for(count = 0; count < 42 ; count++)
 307         {
 308             EPD_3in7_U_SendData(EPD_3in7_U_lut_R22_GC[count]);
 309         }
 310
 311        EPD_3in7_U_Flag = 0;
 312     }
 313 }
 314
 315 // LUT download
 316 void EPD_3in7_U_lut_DU(void)
 317 {
 318     UBYTE count;
 319     EPD_3in7_U_SendCommand(0x20);      // vcom
 320     for(count = 0; count < 56 ; count++)
 321     {
 322         EPD_3in7_U_SendData(EPD_3in7_U_lut_R20_DU[count]);
 323     }
 324
 325     EPD_3in7_U_SendCommand(0x21);     // red not use
 326     for(count = 0; count < 42 ; count++)
 327     {
 328         EPD_3in7_U_SendData(EPD_3in7_U_lut_R21_DU[count]);
 329     }
 330
 331     EPD_3in7_U_SendCommand(0x24);    // bb b
 332     for(count = 0; count < 42 ; count++)
 333     {
 334         EPD_3in7_U_SendData(EPD_3in7_U_lut_R24_DU[count]);
 335     }
 336
 337     if(EPD_3in7_U_Flag == 0)
 338     {
 339         EPD_3in7_U_SendCommand(0x22);      // bw r
 340         for(count = 0; count < 56 ; count++)
 341         {
 342             EPD_3in7_U_SendData(EPD_3in7_U_lut_R22_DU[count]);
 343         }
 344
 345         EPD_3in7_U_SendCommand(0x23);     // wb w
 346         for(count = 0; count < 42 ; count++)
 347         {
 348             EPD_3in7_U_SendData(EPD_3in7_U_lut_R23_DU[count]);
 349         }
 350
 351         EPD_3in7_U_Flag = 1;
 352     }
 353
 354     else
 355     {
 356         EPD_3in7_U_SendCommand(0x22);    // bw r
 357         for(count = 0; count < 56 ; count++)
 358         {
 359             EPD_3in7_U_SendData(EPD_3in7_U_lut_R23_DU[count]);
 360         }
 361
 362         EPD_3in7_U_SendCommand(0x23);   // wb w
 363         for(count = 0; count < 42 ; count++)
 364         {
 365             EPD_3in7_U_SendData(EPD_3in7_U_lut_R22_DU[count]);
 366         }
 367
 368         EPD_3in7_U_Flag = 0;
 369     }
 370 }
 371
 372
 373
 374
 375
 376
 377 /******************************************************************************
 378 function :      Initialize the e-Paper register
 379 parameter:
 380 ******************************************************************************/
 381 void EPD_3in7_U_Init(UBYTE mode)
 382 {
 383     EPD_3in7_U_Flag = 0;
 384     EPD_3in7_U_Reset();
 385
 386     EPD_3in7_U_SendCommand(0x00);               // panel setting   PSR
 387     EPD_3in7_U_SendData(0xFF);                  // RES1 RES0 REG KW/R     UD    SHL   SHD_N  RST_N
 388     EPD_3in7_U_SendData(0x01);                  // x x x VCMZ TS_AUTO TIGE NORG VC_LUTZ
 389
 390     EPD_3in7_U_SendCommand(0x01);               // POWER SETTING   PWR
 391     EPD_3in7_U_SendData(0x03);                  //  x x x x x x VDS_EN VDG_EN
 392     EPD_3in7_U_SendData(0x10);                  //  x x x VCOM_SLWE VGH[3:0]   VGH=20V, VGL=-20V
 393     EPD_3in7_U_SendData(0x3F);                  //  x x VSH[5:0]        VSH = 15V
 394     EPD_3in7_U_SendData(0x3F);                  //  x x VSL[5:0]        VSL=-15V
 395     EPD_3in7_U_SendData(0x03);                  //  OPTEN VDHR[6:0]  VHDR=6.4V
 396                                         // T_VDS_OFF[1:0] 00=1 frame; 01=2 frame; 10=3 frame; 11=4 frame
 397     EPD_3in7_U_SendCommand(0x06);               // booster soft start   BTST
 398     EPD_3in7_U_SendData(0x37);                  //  BT_PHA[7:0]
 399     EPD_3in7_U_SendData(0x3D);                  //  BT_PHB[7:0]
 400     EPD_3in7_U_SendData(0x3D);                  //  x x BT_PHC[5:0]
 401
 402     EPD_3in7_U_SendCommand(0x60);               // TCON setting                 TCON
 403     EPD_3in7_U_SendData(0x22);                  // S2G[3:0] G2S[3:0]   non-overlap = 12
 404
 405     EPD_3in7_U_SendCommand(0x82);               // VCOM_DC setting              VDCS
 406     EPD_3in7_U_SendData(0x07);                  // x  VDCS[6:0] VCOM_DC value= -1.9v    00~3f,0x12=-1.9v
 407
 408     EPD_3in7_U_SendCommand(0x30);
 409     EPD_3in7_U_SendData(0x09);
 410
 411     EPD_3in7_U_SendCommand(0xe3);               // power saving                 PWS
 412     EPD_3in7_U_SendData(0x88);                  // VCOM_W[3:0] SD_W[3:0]
 413
 414     EPD_3in7_U_SendCommand(0x61);               // resoultion setting
 415     EPD_3in7_U_SendData(0xf0);                  //  HRES[7:3] 0 0 0
 416     EPD_3in7_U_SendData(0x01);                  //  x x x x x x x VRES[8]
 417     EPD_3in7_U_SendData(0xA0);                  //  VRES[7:0]
 418
 419     EPD_3in7_U_SendCommand(0x50);
 420     EPD_3in7_U_SendData(0xB7);
 421     // add for luatos
 422     EPD_3in7_U_display_NUM(EPD_3in7_U_WHITE);
 423     EPD_3in7_U_lut_GC();
 424     EPD_3in7_U_refresh();
 425
 426     EPD_3in7_U_SendCommand(0x50);
 427     EPD_3in7_U_SendData(0x17);
 428 }
 429
 430
 431 void EPD_3in7_U_display(UBYTE *Image, UBYTE *Image2)
 432 {
 433     UWORD i;
 434     EPD_3in7_U_SendCommand(0x13);                    //Transfer new data
 435     for(i=0;i<(EPD_3in7_U_WIDTH*EPD_3in7_U_HEIGHT/8);i++)
 436     {
 437         EPD_3in7_U_SendData(*Image);
 438         Image++;
 439     }
 440     // add for luatos
 441     EPD_3in7_U_lut_GC();
 442     EPD_3in7_U_refresh();
 443 }
 444
 445 void EPD_3in7_U_display_NUM(UBYTE NUM)
 446 {
 447     UWORD row, column;
 448     // UWORD pcnt = 0;
 449
 450     EPD_3in7_U_SendCommand(0x13);                    //Transfer new data
 451
 452     for(column=0; column<EPD_3in7_U_HEIGHT; column++)
 453     {
 454         for(row=0; row<EPD_3in7_U_WIDTH/8; row++)
 455         {
 456             switch (NUM)
 457             {
 458                 case EPD_3in7_U_WHITE:
 459                     EPD_3in7_U_SendData(0xFF);
 460                     break;
 461
 462                 case EPD_3in7_U_BLACK:
 463                     EPD_3in7_U_SendData(0x00);
 464                     break;
 465
 466                 case EPD_3in7_U_Source_Line:
 467                     EPD_3in7_U_SendData(0xAA);
 468                     break;
 469
 470                 case EPD_3in7_U_Gate_Line:
 471                     if(column%2)
 472                         EPD_3in7_U_SendData(0xff); //An odd number of Gate line
 473                     else
 474                         EPD_3in7_U_SendData(0x00); //The even line Gate
 475                     break;
 476
 477                 case EPD_3in7_U_Chessboard:
 478                     if(row>=(EPD_3in7_U_WIDTH/8/2)&&column>=(EPD_3in7_U_HEIGHT/2))
 479                         EPD_3in7_U_SendData(0xff);
 480                     else if(row<(EPD_3in7_U_WIDTH/8/2)&&column<(EPD_3in7_U_HEIGHT/2))
 481                         EPD_3in7_U_SendData(0xff);
 482                     else
 483                         EPD_3in7_U_SendData(0x00);
 484                     break;
 485
 486                 case EPD_3in7_U_LEFT_BLACK_RIGHT_WHITE:
 487                     if(row>=(EPD_3in7_U_WIDTH/8/2))
 488                         EPD_3in7_U_SendData(0xff);
 489                     else
 490                         EPD_3in7_U_SendData(0x00);
 491                     break;
 492
 493                 case EPD_3in7_U_UP_BLACK_DOWN_WHITE:
 494                     if(column>=(EPD_3in7_U_HEIGHT/2))
 495                         EPD_3in7_U_SendData(0xFF);
 496                     else
 497                         EPD_3in7_U_SendData(0x00);
 498                     break;
 499
 500                 case EPD_3in7_U_Frame:
 501                     if(column==0||column==(EPD_3in7_U_HEIGHT-1))
 502                         EPD_3in7_U_SendData(0x00);
 503                     else if(row==0)
 504                         EPD_3in7_U_SendData(0x7F);
 505                     else if(row==(EPD_3in7_U_WIDTH/8-1))
 506                         EPD_3in7_U_SendData(0xFE);
 507                     else
 508                         EPD_3in7_U_SendData(0xFF);
 509                     break;
 510
 511                 case EPD_3in7_U_Crosstalk:
 512                     if((row>=(EPD_3in7_U_WIDTH/8/3)&&row<=(EPD_3in7_U_WIDTH/8/3*2)&&column<=(EPD_3in7_U_HEIGHT/3))||(row>=(EPD_3in7_U_WIDTH/8/3)&&row<=(EPD_3in7_U_WIDTH/8/3*2)&&column>=(EPD_3in7_U_HEIGHT/3*2)))
 513                         EPD_3in7_U_SendData(0x00);
 514                     else
 515                         EPD_3in7_U_SendData(0xFF);
 516                     break;
 517
 518                 case EPD_3in7_U_Image:
 519                         //EPD_3in7_U_SendData(gImage_1[pcnt++]);
 520                     break;
 521
 522                 default:
 523                     break;
 524             }
 525         }
 526     }
 527 }
 528
 529 /******************************************************************************
 530 function :      Clear screen
 531 parameter:
 532 ******************************************************************************/
 533 void EPD_3in7_U_Clear(void)
 534 {
 535     UWORD i;
 536     EPD_3in7_U_SendCommand(0x13);                    //Transfer new data
 537     for(i=0;i<(EPD_3in7_U_WIDTH*EPD_3in7_U_HEIGHT/8);i++)
 538     {
 539         EPD_3in7_U_SendData(0xFF);
 540     }
 541     EPD_3in7_U_lut_GC();
 542         EPD_3in7_U_refresh();
 543 }
 544
 545 /******************************************************************************
 546 function :      Enter sleep mode
 547 parameter:
 548 ******************************************************************************/
 549 void EPD_3in7_U_sleep(void)
 550 {
 551     EPD_3in7_U_SendCommand(0X07);       //deep sleep
 552     EPD_3in7_U_SendData(0xA5);
 553 }
 554
 555
 556