git.sur5r.net Git - freertos/blob - FreeRTOS/Demo/CORTEX_AT91SAM3U256_IAR/AT91Lib/components/hx8347/hx8347.c

   1 /* ----------------------------------------------------------------------------\r
   2  *         ATMEL Microcontroller Software Support\r
   3  * ----------------------------------------------------------------------------\r
   4  * Copyright (c) 2008, Atmel Corporation\r
   5  *\r
   6  * All rights reserved.\r
   7  *\r
   8  * Redistribution and use in source and binary forms, with or without\r
   9  * modification, are permitted provided that the following conditions are met:\r
  10  *\r
  11  * - Redistributions of source code must retain the above copyright notice,\r
  12  * this list of conditions and the disclaimer below.\r
  13  *\r
  14  * Atmel's name may not be used to endorse or promote products derived from\r
  15  * this software without specific prior written permission.\r
  16  *\r
  17  * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR\r
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF\r
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE\r
  20  * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,\r
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\r
  22  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,\r
  23  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF\r
  24  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING\r
  25  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,\r
  26  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r
  27  * ----------------------------------------------------------------------------\r
  28  */\r
  29 \r
  30 //------------------------------------------------------------------------------\r
  31 /// \unit\r
  32 ///\r
  33 /// !Purpose\r
  34 ///\r
  35 /// HX8347 driver\r
  36 ///\r
  37 /// !Usage\r
  38 ///\r
  39 /// Explanation on the usage of the code made available through the header file.\r
  40 //------------------------------------------------------------------------------\r
  41 \r
  42 //------------------------------------------------------------------------------\r
  43 //         Headers\r
  44 //------------------------------------------------------------------------------\r
  45 #include <board.h>\r
  46 #include <stdio.h>\r
  47 \r
  48 #ifdef BOARD_LCD_HX8347\r
  49 \r
  50 #include "hx8347.h"\r
  51 \r
  52 //------------------------------------------------------------------------------\r
  53 //         Types\r
  54 //------------------------------------------------------------------------------\r
  55 typedef volatile unsigned short REG16;\r
  56 \r
  57 //------------------------------------------------------------------------------\r
  58 //         Definitions\r
  59 //------------------------------------------------------------------------------\r
  60 /// LCD index register address\r
  61 #define LCD_IR(baseAddr) (*((REG16 *)(baseAddr)))\r
  62 /// LCD status register address\r
  63 #define LCD_SR(baseAddr) (*((REG16 *)(baseAddr)))\r
  64 /// LCD data address\r
  65 #define LCD_D(baseAddr)  (*((REG16 *)((unsigned int)(baseAddr) + BOARD_LCD_RS)))\r
  66 \r
  67 /// HX8347 ID code\r
  68 #define HX8347_HIMAXID_CODE    0x47\r
  69 \r
  70 /// HX8347 LCD Registers\r
  71 #define HX8347_R00H        0x00\r
  72 #define HX8347_R01H        0x01\r
  73 #define HX8347_R02H        0x02\r
  74 #define HX8347_R03H        0x03\r
  75 #define HX8347_R04H        0x04\r
  76 #define HX8347_R05H        0x05\r
  77 #define HX8347_R06H        0x06\r
  78 #define HX8347_R07H        0x07\r
  79 #define HX8347_R08H        0x08\r
  80 #define HX8347_R09H        0x09\r
  81 #define HX8347_R0AH        0x0A\r
  82 #define HX8347_R0CH        0x0C\r
  83 #define HX8347_R0DH        0x0D\r
  84 #define HX8347_R0EH        0x0E\r
  85 #define HX8347_R0FH        0x0F\r
  86 #define HX8347_R10H        0x10\r
  87 #define HX8347_R11H        0x11\r
  88 #define HX8347_R12H        0x12\r
  89 #define HX8347_R13H        0x13\r
  90 #define HX8347_R14H        0x14\r
  91 #define HX8347_R15H        0x15\r
  92 #define HX8347_R16H        0x16\r
  93 #define HX8347_R18H        0x18\r
  94 #define HX8347_R19H        0x19\r
  95 #define HX8347_R1AH        0x1A\r
  96 #define HX8347_R1BH        0x1B\r
  97 #define HX8347_R1CH        0x1C\r
  98 #define HX8347_R1DH        0x1D\r
  99 #define HX8347_R1EH        0x1E\r
 100 #define HX8347_R1FH        0x1F\r
 101 #define HX8347_R20H        0x20\r
 102 #define HX8347_R21H        0x21\r
 103 #define HX8347_R22H        0x22\r
 104 #define HX8347_R23H        0x23\r
 105 #define HX8347_R24H        0x24\r
 106 #define HX8347_R25H        0x25\r
 107 #define HX8347_R26H        0x26\r
 108 #define HX8347_R27H        0x27\r
 109 #define HX8347_R28H        0x28\r
 110 #define HX8347_R29H        0x29\r
 111 #define HX8347_R2AH        0x2A\r
 112 #define HX8347_R2BH        0x2B\r
 113 #define HX8347_R2CH        0x2C\r
 114 #define HX8347_R2DH        0x2D\r
 115 #define HX8347_R35H        0x35\r
 116 #define HX8347_R36H        0x36\r
 117 #define HX8347_R37H        0x37\r
 118 #define HX8347_R38H        0x38\r
 119 #define HX8347_R39H        0x39\r
 120 #define HX8347_R3AH        0x3A\r
 121 #define HX8347_R3BH        0x3B\r
 122 #define HX8347_R3CH        0x3C\r
 123 #define HX8347_R3DH        0x3D\r
 124 #define HX8347_R3EH        0x3E\r
 125 #define HX8347_R40H        0x40\r
 126 #define HX8347_R41H        0x41\r
 127 #define HX8347_R42H        0x42\r
 128 #define HX8347_R43H        0x43\r
 129 #define HX8347_R44H        0x44\r
 130 #define HX8347_R45H        0x45\r
 131 #define HX8347_R46H        0x46\r
 132 #define HX8347_R47H        0x47\r
 133 #define HX8347_R48H        0x48\r
 134 #define HX8347_R49H        0x49\r
 135 #define HX8347_R4AH        0x4A\r
 136 #define HX8347_R4BH        0x4B\r
 137 #define HX8347_R4CH        0x4C\r
 138 #define HX8347_R4DH        0x4D\r
 139 #define HX8347_R4EH        0x4E\r
 140 #define HX8347_R4FH        0x4F\r
 141 #define HX8347_R50H        0x50\r
 142 #define HX8347_R51H        0x51\r
 143 #define HX8347_R64H        0x64\r
 144 #define HX8347_R65H        0x65\r
 145 #define HX8347_R66H        0x66\r
 146 #define HX8347_R67H        0x67\r
 147 #define HX8347_R70H        0x70\r
 148 #define HX8347_R72H        0x72\r
 149 #define HX8347_R90H        0x90\r
 150 #define HX8347_R91H        0x91\r
 151 #define HX8347_R93H        0x93\r
 152 #define HX8347_R94H        0x94\r
 153 #define HX8347_R95H        0x95\r
 154 \r
 155 //------------------------------------------------------------------------------\r
 156 //         External functions\r
 157 //------------------------------------------------------------------------------\r
 158 // External delay 1 ms function\r
 159 #include "FreeRTOS.h"\r
 160 #include "task.h"\r
 161 #define Delay(ms) vTaskDelay(ms/portTICK_RATE_MS)\r
 162 \r
 163 //------------------------------------------------------------------------------\r
 164 //         Global functions\r
 165 //------------------------------------------------------------------------------\r
 166 \r
 167 //------------------------------------------------------------------------------\r
 168 /// Write data to LCD Register.\r
 169 /// \param pLcdBase   LCD base address.\r
 170 /// \param reg        Register address.\r
 171 /// \param data       Data to be written.\r
 172 //------------------------------------------------------------------------------\r
 173 void LCD_WriteReg(void *pLcdBase, unsigned char reg, unsigned short data)\r
 174 {\r
 175     LCD_IR(pLcdBase) = reg;\r
 176     LCD_D(pLcdBase)  = data;\r
 177 }\r
 178 \r
 179 //------------------------------------------------------------------------------\r
 180 /// Read data from LCD Register.\r
 181 /// \param pLcdBase   LCD base address.\r
 182 /// \param reg        Register address.\r
 183 /// \return data      Data to be read.\r
 184 //------------------------------------------------------------------------------\r
 185 unsigned short LCD_ReadReg(void *pLcdBase, unsigned char reg)\r
 186 {\r
 187     LCD_IR(pLcdBase) = reg;\r
 188     return LCD_D(pLcdBase);\r
 189 }\r
 190 \r
 191 //------------------------------------------------------------------------------\r
 192 /// Read LCD status Register.\r
 193 /// \param pLcdBase   LCD base address.\r
 194 /// \param reg        Register address.\r
 195 /// \return data      Status Data.\r
 196 //------------------------------------------------------------------------------\r
 197 unsigned short LCD_ReadStatus(void *pLcdBase)\r
 198 {\r
 199     return LCD_SR(pLcdBase);\r
 200 }\r
 201 \r
 202 //------------------------------------------------------------------------------\r
 203 /// Prepare to write GRAM data.\r
 204 /// \param pLcdBase   LCD base address.\r
 205 //------------------------------------------------------------------------------\r
 206 void LCD_WriteRAM_Prepare(void *pLcdBase)\r
 207 {\r
 208     LCD_IR(pLcdBase) = HX8347_R22H;\r
 209 }\r
 210 \r
 211 //------------------------------------------------------------------------------\r
 212 /// Write data to LCD GRAM.\r
 213 /// \param pLcdBase   LCD base address.\r
 214 /// \param color      16-bits RGB color.\r
 215 //------------------------------------------------------------------------------\r
 216 void LCD_WriteRAM(void *pLcdBase, unsigned short color)\r
 217 {\r
 218     // Write 16-bit GRAM Reg\r
 219     LCD_D(pLcdBase) = color;\r
 220 }\r
 221 \r
 222 //------------------------------------------------------------------------------\r
 223 /// Read GRAM data.\r
 224 /// \param pLcdBase   LCD base address.\r
 225 /// \return           16-bits RGB color.\r
 226 //------------------------------------------------------------------------------\r
 227 unsigned short LCD_ReadRAM(void *pLcdBase)\r
 228 {\r
 229     // Read 16-bit GRAM Reg\r
 230     return LCD_D(pLcdBase);\r
 231 }\r
 232 \r
 233 //------------------------------------------------------------------------------\r
 234 /// Dump register data.\r
 235 /// \param pLcdBase   LCD base address.\r
 236 /// \param startAddr  Register start address.\r
 237 /// \param endAddr    Register end address.\r
 238 //------------------------------------------------------------------------------\r
 239 void LCD_DumpReg(void *pLcdBase, unsigned char startAddr, unsigned char endAddr)\r
 240 {\r
 241     unsigned short tmp;\r
 242     unsigned char addr;\r
 243 \r
 244     for (addr = startAddr; addr <= endAddr; addr++) {\r
 245 \r
 246         tmp = LCD_ReadReg(pLcdBase, addr);\r
 247         printf("LCD.r 0x%x = 0x%x\n\r", addr, tmp);\r
 248     }\r
 249 }\r
 250 \r
 251 //------------------------------------------------------------------------------\r
 252 /// Initialize the LCD controller.\r
 253 /// \param pLcdBase   LCD base address.\r
 254 //------------------------------------------------------------------------------\r
 255 void LCD_Initialize(void *pLcdBase)\r
 256 {\r
 257     unsigned short chipid;\r
 258 \r
 259     // Check HX8347 chipid\r
 260     chipid = LCD_ReadReg(pLcdBase, HX8347_R67H);\r
 261     if(chipid != HX8347_HIMAXID_CODE) {\r
 262 \r
 263         printf("Read HX8347 chip ID error, skip initialization.\r\n");\r
 264         return ;\r
 265     }\r
 266 \r
 267     // Start internal OSC\r
 268     LCD_WriteReg(pLcdBase, HX8347_R19H, 0x49); // OSCADJ=10 0000, OSD_EN=1 //60Hz\r
 269     LCD_WriteReg(pLcdBase, HX8347_R93H, 0x0C); // RADJ=1100\r
 270 \r
 271     // Power on flow\r
 272     LCD_WriteReg(pLcdBase, HX8347_R44H, 0x4D); // VCM=100 1101\r
 273     LCD_WriteReg(pLcdBase, HX8347_R45H, 0x11); // VDV=1 0001\r
 274     LCD_WriteReg(pLcdBase, HX8347_R20H, 0x40); // BT=0100\r
 275     LCD_WriteReg(pLcdBase, HX8347_R1DH, 0x07); // VC1=111\r
 276     LCD_WriteReg(pLcdBase, HX8347_R1EH, 0x00); // VC3=000\r
 277     LCD_WriteReg(pLcdBase, HX8347_R1FH, 0x04); // VRH=0100\r
 278 \r
 279     LCD_WriteReg(pLcdBase, HX8347_R1CH, 0x04); // AP=100\r
 280     LCD_WriteReg(pLcdBase, HX8347_R1BH, 0x10); // GASENB=0, PON=1, DK=0, XDK=0, DDVDH_TRI=0, STB=0\r
 281     Delay(50);\r
 282 \r
 283     LCD_WriteReg(pLcdBase, HX8347_R43H, 0x80); // Set VCOMG=1\r
 284     Delay(50);\r
 285 \r
 286     // Gamma for CMO 2.8\r
 287     LCD_WriteReg(pLcdBase, HX8347_R46H, 0x95);\r
 288     LCD_WriteReg(pLcdBase, HX8347_R47H, 0x51);\r
 289     LCD_WriteReg(pLcdBase, HX8347_R48H, 0x00);\r
 290     LCD_WriteReg(pLcdBase, HX8347_R49H, 0x36);\r
 291     LCD_WriteReg(pLcdBase, HX8347_R4AH, 0x11);\r
 292     LCD_WriteReg(pLcdBase, HX8347_R4BH, 0x66);\r
 293     LCD_WriteReg(pLcdBase, HX8347_R4CH, 0x14);\r
 294     LCD_WriteReg(pLcdBase, HX8347_R4DH, 0x77);\r
 295     LCD_WriteReg(pLcdBase, HX8347_R4EH, 0x13);\r
 296     LCD_WriteReg(pLcdBase, HX8347_R4FH, 0x4C);\r
 297     LCD_WriteReg(pLcdBase, HX8347_R50H, 0x46);\r
 298     LCD_WriteReg(pLcdBase, HX8347_R51H, 0x46);\r
 299 \r
 300     //240x320 window setting\r
 301     LCD_WriteReg(pLcdBase, HX8347_R02H, 0x00); // Column address start2\r
 302     LCD_WriteReg(pLcdBase, HX8347_R03H, 0x00); // Column address start1\r
 303     LCD_WriteReg(pLcdBase, HX8347_R04H, 0x00); // Column address end2\r
 304     LCD_WriteReg(pLcdBase, HX8347_R05H, 0xEF); // Column address end1\r
 305     LCD_WriteReg(pLcdBase, HX8347_R06H, 0x00); // Row address start2\r
 306     LCD_WriteReg(pLcdBase, HX8347_R07H, 0x00); // Row address start1\r
 307     LCD_WriteReg(pLcdBase, HX8347_R08H, 0x01); // Row address end2\r
 308     LCD_WriteReg(pLcdBase, HX8347_R09H, 0x3F); // Row address end1\r
 309 \r
 310     // Display Setting\r
 311     LCD_WriteReg(pLcdBase, HX8347_R01H, 0x06); // IDMON=0, INVON=1, NORON=1, PTLON=0\r
 312     LCD_WriteReg(pLcdBase, HX8347_R16H, 0xC8); // MY=1, MX=1, MV=0, BGR=1\r
 313     LCD_WriteReg(pLcdBase, HX8347_R23H, 0x95); // N_DC=1001 0101\r
 314     LCD_WriteReg(pLcdBase, HX8347_R24H, 0x95); // P_DC=1001 0101\r
 315     LCD_WriteReg(pLcdBase, HX8347_R25H, 0xFF); // I_DC=1111 1111\r
 316     LCD_WriteReg(pLcdBase, HX8347_R27H, 0x06); // N_BP=0000 0110\r
 317     LCD_WriteReg(pLcdBase, HX8347_R28H, 0x06); // N_FP=0000 0110\r
 318     LCD_WriteReg(pLcdBase, HX8347_R29H, 0x06); // P_BP=0000 0110\r
 319     LCD_WriteReg(pLcdBase, HX8347_R2AH, 0x06); // P_FP=0000 0110\r
 320     LCD_WriteReg(pLcdBase, HX8347_R2CH, 0x06); // I_BP=0000 0110\r
 321     LCD_WriteReg(pLcdBase, HX8347_R2DH, 0x06); // I_FP=0000 0110\r
 322     LCD_WriteReg(pLcdBase, HX8347_R3AH, 0x01); // N_RTN=0000, N_NW=001\r
 323     LCD_WriteReg(pLcdBase, HX8347_R3BH, 0x01); // P_RTN=0000, P_NW=001\r
 324     LCD_WriteReg(pLcdBase, HX8347_R3CH, 0xF0); // I_RTN=1111, I_NW=000\r
 325     LCD_WriteReg(pLcdBase, HX8347_R3DH, 0x00); // DIV=00\r
 326     LCD_WriteReg(pLcdBase, HX8347_R3EH, 0x38); // SON=38h\r
 327     LCD_WriteReg(pLcdBase, HX8347_R40H, 0x0F); // GDON=0Fh\r
 328     LCD_WriteReg(pLcdBase, HX8347_R41H, 0xF0); // GDOF=F0h\r
 329 }\r
 330 \r
 331 //------------------------------------------------------------------------------\r
 332 /// Turn on the LCD.\r
 333 /// \param pLcdBase   LCD base address.\r
 334 //------------------------------------------------------------------------------\r
 335 void LCD_On(void *pLcdBase)\r
 336 {\r
 337     // Display ON Setting\r
 338     LCD_WriteReg(pLcdBase, HX8347_R90H, 0x7F); // SAP=0111 1111\r
 339     LCD_WriteReg(pLcdBase, HX8347_R26H, 0x04); // GON=0, DTE=0, D=01\r
 340     Delay(100);\r
 341     LCD_WriteReg(pLcdBase, HX8347_R26H, 0x24); // GON=1, DTE=0, D=01\r
 342     LCD_WriteReg(pLcdBase, HX8347_R26H, 0x2C); // GON=1, DTE=0, D=11\r
 343     Delay(100);\r
 344     LCD_WriteReg(pLcdBase, HX8347_R26H, 0x3C); // GON=1, DTE=1, D=11\r
 345 }\r
 346 \r
 347 //------------------------------------------------------------------------------\r
 348 /// Turn off the LCD.\r
 349 /// \param pLcdBase   LCD base address.\r
 350 //------------------------------------------------------------------------------\r
 351 void LCD_Off(void *pLcdBase)\r
 352 {\r
 353     LCD_WriteReg(pLcdBase, HX8347_R90H, 0x00); // SAP=0000 0000\r
 354     LCD_WriteReg(pLcdBase, HX8347_R26H, 0x00); // GON=0, DTE=0, D=00\r
 355 }\r
 356 \r
 357 //------------------------------------------------------------------------------\r
 358 /// Set cursor of LCD srceen.\r
 359 /// \param pLcdBase   LCD base address.\r
 360 /// \param x          X-coordinate of upper-left corner on LCD.\r
 361 /// \param y          Y-coordinate of upper-left corner on LCD.\r
 362 //------------------------------------------------------------------------------\r
 363 void LCD_SetCursor(void *pLcdBase, unsigned short x, unsigned short y)\r
 364 {\r
 365     unsigned char x1, x2, y1, y2;\r
 366 \r
 367     x1 = x & 0xff;\r
 368     x2 = (x & 0xff00) >>8;\r
 369     y1 = y & 0xff;\r
 370     y2 = (y & 0xff00) >>8;\r
 371     LCD_WriteReg(pLcdBase, HX8347_R02H, x2); // column high\r
 372     LCD_WriteReg(pLcdBase, HX8347_R03H, x1); // column low\r
 373     LCD_WriteReg(pLcdBase, HX8347_R06H, y2); // row high\r
 374     LCD_WriteReg(pLcdBase, HX8347_R07H, y1); // row low\r
 375 }\r
 376 #endif //#ifdef BOARD_LCD_HX8347\r