Duncan Wood / UniGraphic

Basically i glued Peter Drescher and Simon Ford libs in a GraphicsDisplay class, then derived TFT or LCD class (which inherits Protocols class), then the most derived ones (Inits), which are per-display and are the only part needed to be adapted to diff hw.

Dependents:   Brew

Display/TFT.cpp@21:ae0a4eedfc90, 2015-03-31 (annotated)

Committer:
Geremia
Date:
Tue Mar 31 21:14:48 2015 +0000
Revision:
21:ae0a4eedfc90
Parent:
20:14daa48ffd4c
Child:
25:daacdcf34e52
Add BUS_8 and BUS_16 (slow as expected)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Geremia 4:12ba0ecc2c1f 1 /* mbed UniGraphic library - universal TFT driver class
Geremia 4:12ba0ecc2c1f 2 * Copyright (c) 2015 Giuliano Dianda
Geremia 4:12ba0ecc2c1f 3 * Released under the MIT License: http://mbed.org/license/mit
Geremia 4:12ba0ecc2c1f 4 *
Geremia 4:12ba0ecc2c1f 5 * Derived work of:
Geremia 4:12ba0ecc2c1f 6 *
Geremia 4:12ba0ecc2c1f 7 * mbed library for 240*320 pixel display TFT based on ILI9341 LCD Controller
Geremia 3:48f3282c2be8 8 * Copyright (c) 2013 Peter Drescher - DC2PD
Geremia 3:48f3282c2be8 9 *
Geremia 3:48f3282c2be8 10 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
Geremia 3:48f3282c2be8 11 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
Geremia 3:48f3282c2be8 12 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
Geremia 3:48f3282c2be8 13 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
Geremia 3:48f3282c2be8 14 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
Geremia 3:48f3282c2be8 15 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
Geremia 3:48f3282c2be8 16 * THE SOFTWARE.
Geremia 3:48f3282c2be8 17 */
Geremia 3:48f3282c2be8 18
Geremia 2:713844a55c4e 19 #include "TFT.h"
Geremia 2:713844a55c4e 20
Geremia 15:b9483ba842c8 21 //#include "mbed_debug.h"
Geremia 2:713844a55c4e 22
Geremia 2:713844a55c4e 23 #define SWAP(a, b) { a ^= b; b ^= a; a ^= b; }
Geremia 2:713844a55c4e 24
Geremia 2:713844a55c4e 25 TFT::TFT(proto_t displayproto, PortName port, PinName CS, PinName reset, PinName DC, PinName WR, PinName RD, const int lcdsize_x, const int lcdsize_y, const char *name)
Geremia 7:bb0383b91104 26 : GraphicsDisplay(name), screensize_X(lcdsize_x), screensize_Y(lcdsize_y)
Geremia 2:713844a55c4e 27 {
Geremia 2:713844a55c4e 28 if(displayproto==PAR_8) proto = new PAR8(port, CS, reset, DC, WR, RD);
Geremia 4:12ba0ecc2c1f 29 else if(displayproto==PAR_16) proto = new PAR16(port, CS, reset, DC, WR, RD);
Geremia 2:713844a55c4e 30 useNOP=false;
Geremia 4:12ba0ecc2c1f 31 scrollbugfix=0;
Geremia 4:12ba0ecc2c1f 32 mipistd=false;
Geremia 2:713844a55c4e 33 set_orientation(0);
Geremia 2:713844a55c4e 34 foreground(White);
Geremia 2:713844a55c4e 35 background(Black);
Geremia 2:713844a55c4e 36 set_auto_up(false); //we don't have framebuffer
Geremia 7:bb0383b91104 37 topfixedareasize=0;
Geremia 7:bb0383b91104 38 scrollareasize=0;
Geremia 10:668cf78ff93a 39 usefastwindow=false;
Geremia 10:668cf78ff93a 40 fastwindowready=false;
Geremia 11:b842b8e332cb 41 is18bit=false;
Geremia 11:b842b8e332cb 42 isBGR=false;
Geremia 2:713844a55c4e 43 // cls();
Geremia 2:713844a55c4e 44 // locate(0,0);
Geremia 2:713844a55c4e 45 }
Geremia 21:ae0a4eedfc90 46 TFT::TFT(proto_t displayproto, PinName* buspins, PinName CS, PinName reset, PinName DC, PinName WR, PinName RD, const int lcdsize_x, const int lcdsize_y, const char *name)
Geremia 21:ae0a4eedfc90 47 : GraphicsDisplay(name), screensize_X(lcdsize_x), screensize_Y(lcdsize_y)
Geremia 21:ae0a4eedfc90 48 {
Geremia 21:ae0a4eedfc90 49 if(displayproto==BUS_8)
Geremia 21:ae0a4eedfc90 50 {
Geremia 21:ae0a4eedfc90 51 PinName pins[16];
Geremia 21:ae0a4eedfc90 52 for(int i=0; i<16; i++) pins[i]=NC;
Geremia 21:ae0a4eedfc90 53 for(int i=0; i<8; i++) pins[i]=buspins[i];
Geremia 21:ae0a4eedfc90 54 proto = new BUS8(pins, CS, reset, DC, WR, RD);
Geremia 21:ae0a4eedfc90 55 }
Geremia 21:ae0a4eedfc90 56 else if(displayproto==BUS_16)
Geremia 21:ae0a4eedfc90 57 {
Geremia 21:ae0a4eedfc90 58 proto = new BUS16(buspins, CS, reset, DC, WR, RD);
Geremia 21:ae0a4eedfc90 59 }
Geremia 21:ae0a4eedfc90 60 useNOP=false;
Geremia 21:ae0a4eedfc90 61 scrollbugfix=0;
Geremia 21:ae0a4eedfc90 62 mipistd=false;
Geremia 21:ae0a4eedfc90 63 set_orientation(0);
Geremia 21:ae0a4eedfc90 64 foreground(White);
Geremia 21:ae0a4eedfc90 65 background(Black);
Geremia 21:ae0a4eedfc90 66 set_auto_up(false); //we don't have framebuffer
Geremia 21:ae0a4eedfc90 67 topfixedareasize=0;
Geremia 21:ae0a4eedfc90 68 scrollareasize=0;
Geremia 21:ae0a4eedfc90 69 usefastwindow=false;
Geremia 21:ae0a4eedfc90 70 fastwindowready=false;
Geremia 21:ae0a4eedfc90 71 is18bit=false;
Geremia 21:ae0a4eedfc90 72 isBGR=false;
Geremia 21:ae0a4eedfc90 73 // cls();
Geremia 21:ae0a4eedfc90 74 // locate(0,0);
Geremia 21:ae0a4eedfc90 75 }
Geremia 2:713844a55c4e 76 TFT::TFT(proto_t displayproto, int Hz, PinName mosi, PinName miso, PinName sclk, PinName CS, PinName reset, PinName DC, const int lcdsize_x, const int lcdsize_y, const char *name)
Geremia 7:bb0383b91104 77 : GraphicsDisplay(name), screensize_X(lcdsize_x), screensize_Y(lcdsize_y)
Geremia 2:713844a55c4e 78 {
Geremia 2:713844a55c4e 79 if(displayproto==SPI_8)
Geremia 2:713844a55c4e 80 {
Geremia 2:713844a55c4e 81 proto = new SPI8(Hz, mosi, miso, sclk, CS, reset, DC);
Geremia 2:713844a55c4e 82 useNOP=false;
Geremia 2:713844a55c4e 83 }
Geremia 2:713844a55c4e 84 else if(displayproto==SPI_16)
Geremia 2:713844a55c4e 85 {
Geremia 2:713844a55c4e 86 proto = new SPI16(Hz, mosi, miso, sclk, CS, reset, DC);
Geremia 2:713844a55c4e 87 useNOP=true;
Geremia 2:713844a55c4e 88 }
Geremia 4:12ba0ecc2c1f 89 scrollbugfix=0;
Geremia 4:12ba0ecc2c1f 90 mipistd=false;
Geremia 2:713844a55c4e 91 set_orientation(0);
Geremia 2:713844a55c4e 92 foreground(White);
Geremia 2:713844a55c4e 93 background(Black);
Geremia 2:713844a55c4e 94 set_auto_up(false);
Geremia 7:bb0383b91104 95 topfixedareasize=0;
Geremia 7:bb0383b91104 96 scrollareasize=0;
Geremia 10:668cf78ff93a 97 usefastwindow=false;
Geremia 10:668cf78ff93a 98 fastwindowready=false;
Geremia 11:b842b8e332cb 99 is18bit=false;
Geremia 11:b842b8e332cb 100 isBGR=false;
Geremia 2:713844a55c4e 101 // locate(0,0);
Geremia 2:713844a55c4e 102 }
Geremia 2:713844a55c4e 103 void TFT::wr_cmd8(unsigned char cmd)
Geremia 2:713844a55c4e 104 {
Geremia 2:713844a55c4e 105 if(useNOP) proto->wr_cmd16(cmd); // 0x0000|cmd, 00 is NOP cmd for TFT
Geremia 2:713844a55c4e 106 else proto->wr_cmd8(cmd);
Geremia 2:713844a55c4e 107 }
Geremia 2:713844a55c4e 108 void TFT::wr_data8(unsigned char data)
Geremia 2:713844a55c4e 109 {
Geremia 2:713844a55c4e 110 proto->wr_data8(data);
Geremia 2:713844a55c4e 111 }
Geremia 2:713844a55c4e 112 void TFT::wr_data16(unsigned short data)
Geremia 2:713844a55c4e 113 {
Geremia 2:713844a55c4e 114 proto->wr_data16(data);
Geremia 2:713844a55c4e 115 }
Geremia 4:12ba0ecc2c1f 116 void TFT::wr_gram(unsigned short data)
Geremia 4:12ba0ecc2c1f 117 {
Geremia 4:12ba0ecc2c1f 118 proto->wr_gram(data);
Geremia 4:12ba0ecc2c1f 119 }
Geremia 4:12ba0ecc2c1f 120 void TFT::wr_gram(unsigned short data, unsigned int count)
Geremia 2:713844a55c4e 121 {
Geremia 4:12ba0ecc2c1f 122 proto->wr_gram(data, count);
Geremia 4:12ba0ecc2c1f 123 }
Geremia 4:12ba0ecc2c1f 124 void TFT::wr_grambuf(unsigned short* data, unsigned int lenght)
Geremia 4:12ba0ecc2c1f 125 {
Geremia 4:12ba0ecc2c1f 126 proto->wr_grambuf(data, lenght);
Geremia 2:713844a55c4e 127 }
Geremia 5:b222a9461d6b 128 unsigned short TFT::rd_gram()
Geremia 5:b222a9461d6b 129 {
Geremia 11:b842b8e332cb 130 return proto->rd_gram(is18bit); // protocol will handle 18to16 bit conversion
Geremia 7:bb0383b91104 131 }
Geremia 7:bb0383b91104 132 unsigned int TFT::rd_reg_data32(unsigned char reg)
Geremia 7:bb0383b91104 133 {
Geremia 7:bb0383b91104 134 return proto->rd_reg_data32(reg);
Geremia 7:bb0383b91104 135 }
Geremia 7:bb0383b91104 136 unsigned int TFT::rd_extcreg_data32(unsigned char reg, unsigned char SPIreadenablecmd)
Geremia 7:bb0383b91104 137 {
Geremia 7:bb0383b91104 138 return proto->rd_extcreg_data32(reg, SPIreadenablecmd);
Geremia 5:b222a9461d6b 139 }
Geremia 4:12ba0ecc2c1f 140 //for TFT, just send data, position counters are in hw
Geremia 4:12ba0ecc2c1f 141 void TFT::window_pushpixel(unsigned short color)
Geremia 4:12ba0ecc2c1f 142 {
Geremia 4:12ba0ecc2c1f 143 proto->wr_gram(color);
Geremia 4:12ba0ecc2c1f 144 }
Geremia 4:12ba0ecc2c1f 145 void TFT::window_pushpixel(unsigned short color, unsigned int count)
Geremia 4:12ba0ecc2c1f 146 {
Geremia 4:12ba0ecc2c1f 147 proto->wr_gram(color, count);
Geremia 4:12ba0ecc2c1f 148 }
Geremia 4:12ba0ecc2c1f 149 void TFT::window_pushpixelbuf(unsigned short* color, unsigned int lenght)
Geremia 2:713844a55c4e 150 {
Geremia 4:12ba0ecc2c1f 151 proto->wr_grambuf(color, lenght);
Geremia 2:713844a55c4e 152 }
Geremia 2:713844a55c4e 153 void TFT::hw_reset()
Geremia 2:713844a55c4e 154 {
Geremia 2:713844a55c4e 155 proto->hw_reset();
Geremia 20:14daa48ffd4c 156 BusEnable(true);
Geremia 2:713844a55c4e 157 }
Geremia 2:713844a55c4e 158 void TFT::BusEnable(bool enable)
Geremia 2:713844a55c4e 159 {
Geremia 2:713844a55c4e 160 proto->BusEnable(enable);
Geremia 2:713844a55c4e 161 }
Geremia 2:713844a55c4e 162 // color TFT can rotate in hw (swap raw<->columns) for landscape views
Geremia 2:713844a55c4e 163 void TFT::set_orientation(int o)
Geremia 2:713844a55c4e 164 {
Geremia 2:713844a55c4e 165 orientation = o;
Geremia 2:713844a55c4e 166 wr_cmd8(0x36);
Geremia 2:713844a55c4e 167 switch (orientation) {
Geremia 2:713844a55c4e 168 case 0:// default, portrait view 0°
Geremia 2:713844a55c4e 169 if(mipistd) wr_data8(0x0A); // this is in real a vertical flip enabled, seems most displays are vertical flipped
Geremia 3:48f3282c2be8 170 else wr_data8(0x48); //for some other ILIxxxx
Geremia 7:bb0383b91104 171 set_width(screensize_X);
Geremia 7:bb0383b91104 172 set_height(screensize_Y);
Geremia 2:713844a55c4e 173 break;
Geremia 2:713844a55c4e 174 case 1:// landscape view +90°
Geremia 2:713844a55c4e 175 if(mipistd) wr_data8(0x28);
Geremia 3:48f3282c2be8 176 else wr_data8(0x29);//for some other ILIxxxx
Geremia 7:bb0383b91104 177 set_width(screensize_Y);
Geremia 7:bb0383b91104 178 set_height(screensize_X);
Geremia 2:713844a55c4e 179 break;
Geremia 2:713844a55c4e 180 case 2:// portrait view +180°
Geremia 2:713844a55c4e 181 if(mipistd) wr_data8(0x09);
Geremia 3:48f3282c2be8 182 else wr_data8(0x99);//for some other ILIxxxx
Geremia 7:bb0383b91104 183 set_width(screensize_X);
Geremia 7:bb0383b91104 184 set_height(screensize_Y);
Geremia 2:713844a55c4e 185 break;
Geremia 2:713844a55c4e 186 case 3:// landscape view -90°
Geremia 2:713844a55c4e 187 if(mipistd) wr_data8(0x2B);
Geremia 3:48f3282c2be8 188 else wr_data8(0xF8);//for some other ILIxxxx
Geremia 7:bb0383b91104 189 set_width(screensize_Y);
Geremia 7:bb0383b91104 190 set_height(screensize_X);
Geremia 2:713844a55c4e 191 break;
Geremia 2:713844a55c4e 192 }
Geremia 2:713844a55c4e 193 }
Geremia 7:bb0383b91104 194 void TFT::invert(unsigned char o)
Geremia 7:bb0383b91104 195 {
Geremia 7:bb0383b91104 196 if(o == 0) wr_cmd8(0x20);
Geremia 7:bb0383b91104 197 else wr_cmd8(0x21);
Geremia 7:bb0383b91104 198 }
Geremia 10:668cf78ff93a 199 void TFT::FastWindow(bool enable)
Geremia 10:668cf78ff93a 200 {
Geremia 10:668cf78ff93a 201 usefastwindow=enable;
Geremia 10:668cf78ff93a 202 }
Geremia 2:713844a55c4e 203 // TFT have both column and raw autoincrement inside a window, with internal counters
Geremia 2:713844a55c4e 204 void TFT::window(int x, int y, int w, int h)
Geremia 2:713844a55c4e 205 {
Geremia 10:668cf78ff93a 206 fastwindowready=false; // end raw/column going to be set to lower value than bottom-right corner
Geremia 2:713844a55c4e 207 wr_cmd8(0x2A);
Geremia 2:713844a55c4e 208 wr_data16(x); //start column
Geremia 2:713844a55c4e 209 wr_data16(x+w-1);//end column
Geremia 2:713844a55c4e 210
Geremia 2:713844a55c4e 211 wr_cmd8(0x2B);
Geremia 2:713844a55c4e 212 wr_data16(y); //start page
Geremia 2:713844a55c4e 213 wr_data16(y+h-1);//end page
Geremia 2:713844a55c4e 214
Geremia 2:713844a55c4e 215 wr_cmd8(0x2C); //write mem, just send pixels color next
Geremia 2:713844a55c4e 216 }
Geremia 5:b222a9461d6b 217 void TFT::window4read(int x, int y, int w, int h)
Geremia 5:b222a9461d6b 218 {
Geremia 10:668cf78ff93a 219 fastwindowready=false;
Geremia 5:b222a9461d6b 220 wr_cmd8(0x2A);
Geremia 5:b222a9461d6b 221 wr_data16(x); //start column
Geremia 5:b222a9461d6b 222 wr_data16(x+w-1);//end column
Geremia 5:b222a9461d6b 223
Geremia 5:b222a9461d6b 224 wr_cmd8(0x2B);
Geremia 5:b222a9461d6b 225 wr_data16(y); //start page
Geremia 5:b222a9461d6b 226 wr_data16(y+h-1);//end page
Geremia 5:b222a9461d6b 227
Geremia 5:b222a9461d6b 228 wr_cmd8(0x2E); //read mem, just pixelread next
Geremia 5:b222a9461d6b 229 }
Geremia 2:713844a55c4e 230 void TFT::pixel(int x, int y, unsigned short color)
Geremia 2:713844a55c4e 231 {
Geremia 10:668cf78ff93a 232 if(usefastwindow) //ili9486 does not like truncated 2A/2B cmds, at least in par mode
Geremia 10:668cf78ff93a 233 {
Geremia 10:668cf78ff93a 234 if(fastwindowready) //setting only start column/page does speedup, but needs end raw/column previously set to bottom-right corner
Geremia 10:668cf78ff93a 235 {
Geremia 10:668cf78ff93a 236 wr_cmd8(0x2A);
Geremia 10:668cf78ff93a 237 wr_data16(x); //start column only
Geremia 10:668cf78ff93a 238 wr_cmd8(0x2B);
Geremia 10:668cf78ff93a 239 wr_data16(y); //start page only
Geremia 10:668cf78ff93a 240 wr_cmd8(0x2C); //write mem, just send pixels color next
Geremia 10:668cf78ff93a 241 }
Geremia 10:668cf78ff93a 242 else
Geremia 10:668cf78ff93a 243 {
Geremia 10:668cf78ff93a 244 window(x,y,width()-x,height()-y); // set also end raw/column to bottom-right corner
Geremia 10:668cf78ff93a 245 fastwindowready=true;
Geremia 10:668cf78ff93a 246 }
Geremia 10:668cf78ff93a 247 }
Geremia 10:668cf78ff93a 248 else window(x,y,1,1);
Geremia 4:12ba0ecc2c1f 249 // proto->wr_gram(color); // 2C expects 16bit parameters
Geremia 4:12ba0ecc2c1f 250 wr_gram(color);
Geremia 2:713844a55c4e 251 }
Geremia 5:b222a9461d6b 252 unsigned short TFT::pixelread(int x, int y)
Geremia 5:b222a9461d6b 253 {
Geremia 10:668cf78ff93a 254 if(usefastwindow) //ili9486 does not like truncated 2A/2B cmds, at least in par mode
Geremia 10:668cf78ff93a 255 {
Geremia 10:668cf78ff93a 256 if(fastwindowready) //setting only start column/page does speedup, but needs end raw/column previously set to bottom-right corner
Geremia 10:668cf78ff93a 257 {
Geremia 10:668cf78ff93a 258 wr_cmd8(0x2A);
Geremia 10:668cf78ff93a 259 wr_data16(x); //start column only
Geremia 10:668cf78ff93a 260 wr_cmd8(0x2B);
Geremia 10:668cf78ff93a 261 wr_data16(y); //start page only
Geremia 10:668cf78ff93a 262 wr_cmd8(0x2E); //read mem, just pixelread next
Geremia 10:668cf78ff93a 263 }
Geremia 10:668cf78ff93a 264 else
Geremia 10:668cf78ff93a 265 {
Geremia 10:668cf78ff93a 266 window4read(x,y,width()-x,height()-y); // set also end raw/column to bottom-right corner
Geremia 10:668cf78ff93a 267 fastwindowready=true;
Geremia 10:668cf78ff93a 268 }
Geremia 10:668cf78ff93a 269 }
Geremia 10:668cf78ff93a 270 else window4read(x,y,1,1);
Geremia 10:668cf78ff93a 271
Geremia 5:b222a9461d6b 272 unsigned short color;
Geremia 5:b222a9461d6b 273 // proto->wr_gram(color); // 2C expects 16bit parameters
Geremia 5:b222a9461d6b 274 color = rd_gram();
Geremia 11:b842b8e332cb 275 if(isBGR) color = BGR2RGB(color); // in case, convert BGR to RGB (should depend on cmd36 bit3) but maybe is device specific
Geremia 5:b222a9461d6b 276 return color;
Geremia 5:b222a9461d6b 277 }
Geremia 7:bb0383b91104 278 void TFT::setscrollarea (int startY, int areasize) // ie 0,480 for whole screen
Geremia 7:bb0383b91104 279 {
Geremia 7:bb0383b91104 280 unsigned int bfa;
Geremia 7:bb0383b91104 281 topfixedareasize=startY;
Geremia 7:bb0383b91104 282 scrollareasize=areasize;
Geremia 7:bb0383b91104 283 wr_cmd8(0x33);
Geremia 7:bb0383b91104 284 wr_data16(topfixedareasize); //num lines of top fixed area
Geremia 7:bb0383b91104 285 wr_data16(scrollareasize+scrollbugfix); //num lines of vertical scroll area, +1 for ILI9481 fix
Geremia 8:26757296c79d 286 if((areasize+startY)>screensize_Y) bfa=0;
Geremia 8:26757296c79d 287 else bfa = screensize_Y-(areasize+startY);
Geremia 7:bb0383b91104 288 wr_data16(bfa); //num lines of bottom fixed area
Geremia 7:bb0383b91104 289 }
Geremia 7:bb0383b91104 290 void TFT::scroll (int lines) // ie 1= scrollup 1, 479= scrolldown 1
Geremia 7:bb0383b91104 291 {
Geremia 7:bb0383b91104 292 wr_cmd8(0x37);
Geremia 8:26757296c79d 293 wr_data16(topfixedareasize+(lines%scrollareasize)); // select the (absolute)line which will be displayed as first scrollarea line
Geremia 7:bb0383b91104 294 }
Geremia 7:bb0383b91104 295 void TFT::scrollreset()
Geremia 7:bb0383b91104 296 {
Geremia 7:bb0383b91104 297 wr_cmd8(0x13); //normal display mode
Geremia 7:bb0383b91104 298 }
Geremia 2:713844a55c4e 299 void TFT::cls (void)
Geremia 2:713844a55c4e 300 {
Geremia 2:713844a55c4e 301 WindowMax();
Geremia 7:bb0383b91104 302 // proto->wr_gram(_background,screensize_X*screensize_Y);
Geremia 7:bb0383b91104 303 // proto->wr_gram(0,screensize_X*screensize_Y);
Geremia 7:bb0383b91104 304 wr_gram(_background,screensize_X*screensize_Y);
Geremia 7:bb0383b91104 305 }
Geremia 11:b842b8e332cb 306 // try to get read gram pixel format, could be 16bit or 18bit, RGB or BGR
Geremia 11:b842b8e332cb 307 void TFT::auto_gram_read_format()
Geremia 11:b842b8e332cb 308 {
Geremia 11:b842b8e332cb 309 unsigned short px=0xCDB1;
Geremia 11:b842b8e332cb 310 unsigned short rback, rback18;
Geremia 11:b842b8e332cb 311 pixel(0,0,px);
Geremia 11:b842b8e332cb 312 window4read(0,0,1,1);
Geremia 11:b842b8e332cb 313 rback=proto->rd_gram(0); // try 16bit
Geremia 11:b842b8e332cb 314 window4read(0,0,1,1);
Geremia 11:b842b8e332cb 315 rback18=proto->rd_gram(1); // try 18bit converted to 16
Geremia 11:b842b8e332cb 316 if((rback18==px) || (BGR2RGB(rback18)==px))
Geremia 11:b842b8e332cb 317 {
Geremia 11:b842b8e332cb 318 is18bit=true;
Geremia 11:b842b8e332cb 319 if(BGR2RGB(rback18)==px) isBGR=true;
Geremia 11:b842b8e332cb 320 }
Geremia 11:b842b8e332cb 321 else if((rback==px) || (BGR2RGB(rback)==px))
Geremia 11:b842b8e332cb 322 {
Geremia 11:b842b8e332cb 323 if(BGR2RGB(rback)==px) isBGR=true;
Geremia 11:b842b8e332cb 324 }
Geremia 20:14daa48ffd4c 325 // debug("\r\nIdentify gram read color format,\r\nsent %.4X read16 %.4X(bgr%.4X) read18 %.4X(bgr%.4X)", px, rback, BGR2RGB(rback), rback18, BGR2RGB(rback18));
Geremia 11:b842b8e332cb 326 }
Geremia 7:bb0383b91104 327 // try to identify display controller
Geremia 7:bb0383b91104 328 void TFT::identify()
Geremia 7:bb0383b91104 329 {
Geremia 7:bb0383b91104 330 // MIPI std read ID cmd
Geremia 7:bb0383b91104 331 tftID=rd_reg_data32(0xBF);
Geremia 7:bb0383b91104 332 mipistd=true;
Geremia 7:bb0383b91104 333 // debug("ID MIPI : 0x%8X\r\n",tftID);
Geremia 7:bb0383b91104 334 if(((tftID&0xFF)==((tftID>>8)&0xFF)) && ((tftID&0xFF)==((tftID>>16)&0xFF)))
Geremia 7:bb0383b91104 335 {
Geremia 7:bb0383b91104 336 mipistd=false;
Geremia 7:bb0383b91104 337 // ILI specfic read ID cmd
Geremia 7:bb0383b91104 338 tftID=rd_reg_data32(0xD3)>>8;
Geremia 7:bb0383b91104 339 // debug("ID ILI : 0x%8X\r\n",tftID);
Geremia 7:bb0383b91104 340 }
Geremia 7:bb0383b91104 341 if(((tftID&0xFF)==((tftID>>8)&0xFF)) && ((tftID&0xFF)==((tftID>>16)&0xFF)))
Geremia 7:bb0383b91104 342 {
Geremia 7:bb0383b91104 343 // ILI specfic read ID cmd with ili9341 specific spi read-in enable 0xD9 cmd
Geremia 7:bb0383b91104 344 tftID=rd_extcreg_data32(0xD3, 0xD9);
Geremia 7:bb0383b91104 345 // debug("ID D9 extc ILI : 0x%8X\r\n",tftID);
Geremia 7:bb0383b91104 346 }
Geremia 7:bb0383b91104 347 if(((tftID&0xFF)==((tftID>>8)&0xFF)) && ((tftID&0xFF)==((tftID>>16)&0xFF)))
Geremia 7:bb0383b91104 348 {
Geremia 7:bb0383b91104 349 // ILI specfic read ID cmd with ili9486/88 specific spi read-in enable 0xFB cmd
Geremia 7:bb0383b91104 350 tftID=rd_extcreg_data32(0xD3, 0xFB);
Geremia 7:bb0383b91104 351 // debug("ID D9 extc ILI : 0x%8X\r\n",tftID);
Geremia 7:bb0383b91104 352 }
Geremia 7:bb0383b91104 353 if(((tftID&0xFF)==((tftID>>8)&0xFF)) && ((tftID&0xFF)==((tftID>>16)&0xFF))) tftID=0xDEAD;
Geremia 7:bb0383b91104 354 if ((tftID&0xFFFF)==0x9481) scrollbugfix=1;
Geremia 7:bb0383b91104 355 else scrollbugfix=0;
Geremia 7:bb0383b91104 356 hw_reset(); // in case wrong cmds messed up important settings
Geremia 7:bb0383b91104 357 }
Geremia 7:bb0383b91104 358 int TFT::sizeX()
Geremia 7:bb0383b91104 359 {
Geremia 7:bb0383b91104 360 return screensize_X;
Geremia 7:bb0383b91104 361 }
Geremia 7:bb0383b91104 362 int TFT::sizeY()
Geremia 7:bb0383b91104 363 {
Geremia 7:bb0383b91104 364 return screensize_Y;
Geremia 2:713844a55c4e 365 }