Peter Drescher / SPI_TFT

Library to control a QVGA TFT connected to SPI. You can use printf to print text The lib can handle different fonts, draw lines, circles, rect and bmp

Dependents:   TFT_Test1 SourceCodePro31-SB Mandelbrot Mindwave-screen ... more

See http://mbed.org/cookbook/SPI-driven-QVGA-TFT for details.

SPI_TFT.cpp@13:2c91cb947161, 2013-03-05 (annotated)

Committer:
dreschpe
Date:
Tue Mar 05 14:50:51 2013 +0000
Revision:
13:2c91cb947161
Parent:
11:9bb71766cafc
Child:
14:ea3206e8e3bd
Add Freescale KL25Z support

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dreschpe 8:65a4de035c3c 1 /* mbed library for 240*320 pixel display TFT based on HX8347D LCD Controller
dreschpe 8:65a4de035c3c 2 * Copyright (c) 2011 Peter Drescher - DC2PD
dreschpe 8:65a4de035c3c 3 *
dreschpe 8:65a4de035c3c 4 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
dreschpe 8:65a4de035c3c 5 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
dreschpe 8:65a4de035c3c 6 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
dreschpe 8:65a4de035c3c 7 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
dreschpe 8:65a4de035c3c 8 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
dreschpe 8:65a4de035c3c 9 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
dreschpe 8:65a4de035c3c 10 * THE SOFTWARE.
dreschpe 8:65a4de035c3c 11 */
dreschpe 8:65a4de035c3c 12
dreschpe 8:65a4de035c3c 13
dreschpe 8:65a4de035c3c 14 // fix bmp padding for Bitmap function
dreschpe 8:65a4de035c3c 15 // speed up pixel
dreschpe 8:65a4de035c3c 16 // 30.12.11 fix cls
dreschpe 8:65a4de035c3c 17 // 11.03.12 use DMA to speed up
dreschpe 8:65a4de035c3c 18 // 15.03.12 use SSEL for TFT CS to enable DMA Register writes
dreschpe 8:65a4de035c3c 19 // 06.04.12 fix SSEL CS problem
dreschpe 8:65a4de035c3c 20 // 06.04.12 use direct access to the spi register to speed up the library.
dreschpe 8:65a4de035c3c 21 // 11.09.12 switch back to using io pin as cs to avoid problems with SSEL CS.
dreschpe 13:2c91cb947161 22 // 21.09.12 fix Bug in BMP_16
dreschpe 8:65a4de035c3c 23 // 11.10.12 patch from Hans Bergles to get SPI1 working again
dreschpe 8:65a4de035c3c 24 // 03.02.13 add a switch to switch off DMA use for LPC11U24
dreschpe 13:2c91cb947161 25 // 04.03.13 add support for new Kinetis board
dreschpe 8:65a4de035c3c 26
dreschpe 8:65a4de035c3c 27 #include "SPI_TFT.h"
dreschpe 8:65a4de035c3c 28 #include "mbed.h"
dreschpe 8:65a4de035c3c 29
dreschpe 8:65a4de035c3c 30 #define BPP 16 // Bits per pixel
dreschpe 13:2c91cb947161 31
dreschpe 13:2c91cb947161 32 #if defined TARGET_LPC1768
dreschpe 9:a63fd1ad41b0 33 #define USE_DMA // we use dma to speed up
dreschpe 9:a63fd1ad41b0 34 #define NO_MBED_LIB // we write direct to the SPI register to speed up
dreschpe 8:65a4de035c3c 35 #endif
dreschpe 8:65a4de035c3c 36
dreschpe 13:2c91cb947161 37 #if defined NO_DMA // if LPC1768 user want no DMA
dreschpe 8:65a4de035c3c 38 #undef USE_DMA
dreschpe 8:65a4de035c3c 39 #endif
dreschpe 13:2c91cb947161 40
dreschpe 8:65a4de035c3c 41
dreschpe 8:65a4de035c3c 42 //extern Serial pc;
dreschpe 8:65a4de035c3c 43 //extern DigitalOut xx; // debug !!
dreschpe 8:65a4de035c3c 44
dreschpe 8:65a4de035c3c 45 SPI_TFT::SPI_TFT(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset, const char *name)
dreschpe 8:65a4de035c3c 46 : _spi(mosi, miso, sclk), _cs(cs), _reset(reset),GraphicsDisplay(name)
dreschpe 8:65a4de035c3c 47 {
dreschpe 8:65a4de035c3c 48 orientation = 0;
dreschpe 8:65a4de035c3c 49 char_x = 0;
dreschpe 13:2c91cb947161 50 #if defined TARGET_LPC1768
dreschpe 8:65a4de035c3c 51 if (mosi == p11 || mosi == P0_18) spi_port = 0; // we must know the used SPI port to setup the DMA
dreschpe 8:65a4de035c3c 52 else spi_port = 1;
dreschpe 13:2c91cb947161 53 #endif
dreschpe 8:65a4de035c3c 54 tft_reset();
dreschpe 8:65a4de035c3c 55 }
dreschpe 8:65a4de035c3c 56
dreschpe 8:65a4de035c3c 57 int SPI_TFT::width()
dreschpe 8:65a4de035c3c 58 {
dreschpe 8:65a4de035c3c 59 if (orientation == 0 || orientation == 2) return 240;
dreschpe 8:65a4de035c3c 60 else return 320;
dreschpe 8:65a4de035c3c 61 }
dreschpe 8:65a4de035c3c 62
dreschpe 8:65a4de035c3c 63
dreschpe 8:65a4de035c3c 64 int SPI_TFT::height()
dreschpe 8:65a4de035c3c 65 {
dreschpe 8:65a4de035c3c 66 if (orientation == 0 || orientation == 2) return 320;
dreschpe 8:65a4de035c3c 67 else return 240;
dreschpe 8:65a4de035c3c 68 }
dreschpe 8:65a4de035c3c 69
dreschpe 8:65a4de035c3c 70
dreschpe 8:65a4de035c3c 71 void SPI_TFT::set_orientation(unsigned int o)
dreschpe 8:65a4de035c3c 72 {
dreschpe 8:65a4de035c3c 73 orientation = o;
dreschpe 8:65a4de035c3c 74 switch (orientation) {
dreschpe 8:65a4de035c3c 75 case 0:
dreschpe 8:65a4de035c3c 76 wr_reg(0x16, 0x08);
dreschpe 8:65a4de035c3c 77 break;
dreschpe 8:65a4de035c3c 78 case 1:
dreschpe 8:65a4de035c3c 79 wr_reg(0x16, 0x68);
dreschpe 8:65a4de035c3c 80 break;
dreschpe 8:65a4de035c3c 81 case 2:
dreschpe 8:65a4de035c3c 82 wr_reg(0x16, 0xC8);
dreschpe 8:65a4de035c3c 83 break;
dreschpe 8:65a4de035c3c 84 case 3:
dreschpe 8:65a4de035c3c 85 wr_reg(0x16, 0xA8);
dreschpe 8:65a4de035c3c 86 break;
dreschpe 8:65a4de035c3c 87 }
dreschpe 8:65a4de035c3c 88 WindowMax();
dreschpe 8:65a4de035c3c 89 }
dreschpe 8:65a4de035c3c 90
dreschpe 8:65a4de035c3c 91
dreschpe 8:65a4de035c3c 92 // write command to tft register
dreschpe 8:65a4de035c3c 93
dreschpe 8:65a4de035c3c 94 void SPI_TFT::wr_cmd(unsigned char cmd)
dreschpe 8:65a4de035c3c 95 {
dreschpe 8:65a4de035c3c 96 _cs = 0;
dreschpe 9:a63fd1ad41b0 97 #if defined NO_MBED_LIB
dreschpe 8:65a4de035c3c 98 if (spi_port == 0) { // TFT on SSP0
dreschpe 8:65a4de035c3c 99 LPC_SSP0->DR = spi_d;
dreschpe 8:65a4de035c3c 100 // we have to wait for SPI IDLE to set CS back to high
dreschpe 8:65a4de035c3c 101 do {
dreschpe 8:65a4de035c3c 102 } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI0 not idle
dreschpe 8:65a4de035c3c 103 } else {
dreschpe 8:65a4de035c3c 104 LPC_SSP1->DR = spi_d;
dreschpe 8:65a4de035c3c 105 do {
dreschpe 8:65a4de035c3c 106 } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle
dreschpe 8:65a4de035c3c 107 }
dreschpe 13:2c91cb947161 108 #else
dreschpe 13:2c91cb947161 109 #if defined TARGET_KL25Z // 8 Bit SPI
dreschpe 13:2c91cb947161 110 _spi.write(0x70);
dreschpe 13:2c91cb947161 111 _spi.write(cmd);
dreschpe 13:2c91cb947161 112 #else // 16 Bit SPI
dreschpe 13:2c91cb947161 113 unsigned short spi_d;
dreschpe 13:2c91cb947161 114 spi_d = 0x7000 | cmd ;
dreschpe 9:a63fd1ad41b0 115 _spi.write(spi_d); // mbed lib
dreschpe 13:2c91cb947161 116 #endif
dreschpe 13:2c91cb947161 117 #endif
dreschpe 8:65a4de035c3c 118 _cs = 1;
dreschpe 8:65a4de035c3c 119 }
dreschpe 8:65a4de035c3c 120
dreschpe 8:65a4de035c3c 121
dreschpe 13:2c91cb947161 122 // write data to tft register
dreschpe 8:65a4de035c3c 123 void SPI_TFT::wr_dat(unsigned char dat)
dreschpe 8:65a4de035c3c 124 {
dreschpe 13:2c91cb947161 125
dreschpe 8:65a4de035c3c 126 _cs = 0;
dreschpe 9:a63fd1ad41b0 127 #if defined NO_MBED_LIB
dreschpe 8:65a4de035c3c 128 if (spi_port == 0) { // TFT on SSP0
dreschpe 8:65a4de035c3c 129 LPC_SSP0->DR = spi_d;
dreschpe 8:65a4de035c3c 130 // we have to wait for SPI IDLE to set CS back to high
dreschpe 8:65a4de035c3c 131 do {
dreschpe 8:65a4de035c3c 132 } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI0 not idle
dreschpe 8:65a4de035c3c 133 } else {
dreschpe 8:65a4de035c3c 134 LPC_SSP1->DR = spi_d;
dreschpe 8:65a4de035c3c 135 do {
dreschpe 8:65a4de035c3c 136 } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle
dreschpe 8:65a4de035c3c 137 }
dreschpe 13:2c91cb947161 138 #else
dreschpe 13:2c91cb947161 139 #if defined TARGET_KL25Z // 8 Bit SPI
dreschpe 13:2c91cb947161 140 _spi.write(0x72);
dreschpe 13:2c91cb947161 141 _spi.write(dat);
dreschpe 13:2c91cb947161 142 #else // 16 Bit SPI
dreschpe 13:2c91cb947161 143 unsigned short spi_d;
dreschpe 13:2c91cb947161 144 spi_d = 0x7200 | dat;
dreschpe 13:2c91cb947161 145 _spi.write(spi_d); // mbed lib
dreschpe 13:2c91cb947161 146 #endif
dreschpe 13:2c91cb947161 147 #endif
dreschpe 8:65a4de035c3c 148 _cs = 1;
dreschpe 8:65a4de035c3c 149 }
dreschpe 8:65a4de035c3c 150
dreschpe 8:65a4de035c3c 151
dreschpe 8:65a4de035c3c 152
dreschpe 8:65a4de035c3c 153 // the HX8347-D controller do not use the MISO (SDO) Signal.
dreschpe 8:65a4de035c3c 154 // This is a bug - ?
dreschpe 8:65a4de035c3c 155 // A read will return 0 at the moment
dreschpe 8:65a4de035c3c 156
dreschpe 8:65a4de035c3c 157 unsigned short SPI_TFT::rd_dat (void)
dreschpe 8:65a4de035c3c 158 {
dreschpe 8:65a4de035c3c 159 unsigned short val = 0;
dreschpe 8:65a4de035c3c 160
dreschpe 8:65a4de035c3c 161 //val = _spi.write(0x73ff); /* Dummy read 1 */
dreschpe 8:65a4de035c3c 162 //val = _spi.write(0x0000); /* Read D8..D15 */
dreschpe 8:65a4de035c3c 163 return (val);
dreschpe 8:65a4de035c3c 164 }
dreschpe 8:65a4de035c3c 165
dreschpe 13:2c91cb947161 166 // write to a TFT register
dreschpe 8:65a4de035c3c 167 void SPI_TFT::wr_reg (unsigned char reg, unsigned char val)
dreschpe 8:65a4de035c3c 168 {
dreschpe 8:65a4de035c3c 169 wr_cmd(reg);
dreschpe 8:65a4de035c3c 170 wr_dat(val);
dreschpe 8:65a4de035c3c 171 }
dreschpe 8:65a4de035c3c 172
dreschpe 13:2c91cb947161 173 // read from a TFT register
dreschpe 8:65a4de035c3c 174 unsigned short SPI_TFT::rd_reg (unsigned char reg)
dreschpe 8:65a4de035c3c 175 {
dreschpe 8:65a4de035c3c 176 wr_cmd(reg);
dreschpe 8:65a4de035c3c 177 return(rd_dat());
dreschpe 8:65a4de035c3c 178 }
dreschpe 8:65a4de035c3c 179
dreschpe 13:2c91cb947161 180 // setup TFT controller - this is called by constructor
dreschpe 8:65a4de035c3c 181 void SPI_TFT::tft_reset()
dreschpe 8:65a4de035c3c 182 {
dreschpe 13:2c91cb947161 183 #if defined TARGET_KL25Z // 8 Bit SPI
dreschpe 13:2c91cb947161 184 _spi.format(8,3);
dreschpe 13:2c91cb947161 185 #else // 16 Bit SPI
dreschpe 8:65a4de035c3c 186 _spi.format(16,3); // 16 bit spi mode 3
dreschpe 13:2c91cb947161 187 #endif
dreschpe 8:65a4de035c3c 188 _spi.frequency(48000000); // 48 Mhz SPI clock
dreschpe 8:65a4de035c3c 189 _cs = 1; // cs high
dreschpe 8:65a4de035c3c 190 _reset = 0; // display reset
dreschpe 8:65a4de035c3c 191
dreschpe 8:65a4de035c3c 192 wait_us(50);
dreschpe 8:65a4de035c3c 193 _reset = 1; // end reset
dreschpe 8:65a4de035c3c 194 wait_ms(5);
dreschpe 8:65a4de035c3c 195
dreschpe 8:65a4de035c3c 196 /* Start Initial Sequence ----------------------------------------------------*/
dreschpe 8:65a4de035c3c 197 wr_reg(0xEA, 0x00); /* Reset Power Control 1 */
dreschpe 8:65a4de035c3c 198 wr_reg(0xEB, 0x20); /* Power Control 2 */
dreschpe 8:65a4de035c3c 199 wr_reg(0xEC, 0x0C); /* Power Control 3 */
dreschpe 8:65a4de035c3c 200 wr_reg(0xED, 0xC4); /* Power Control 4 */
dreschpe 8:65a4de035c3c 201 wr_reg(0xE8, 0x40); /* Source OPON_N */
dreschpe 8:65a4de035c3c 202 wr_reg(0xE9, 0x38); /* Source OPON_I */
dreschpe 8:65a4de035c3c 203 wr_reg(0xF1, 0x01); /* */
dreschpe 8:65a4de035c3c 204 wr_reg(0xF2, 0x10); /* */
dreschpe 8:65a4de035c3c 205 wr_reg(0x27, 0xA3); /* Display Control 2 */
dreschpe 8:65a4de035c3c 206
dreschpe 8:65a4de035c3c 207 /* Power On sequence ---------------------------------------------------------*/
dreschpe 8:65a4de035c3c 208 wr_reg(0x1B, 0x1B); /* Power Control 2 */
dreschpe 8:65a4de035c3c 209 wr_reg(0x1A, 0x01); /* Power Control 1 */
dreschpe 8:65a4de035c3c 210 wr_reg(0x24, 0x2F); /* Vcom Control 2 */
dreschpe 8:65a4de035c3c 211 wr_reg(0x25, 0x57); /* Vcom Control 3 */
dreschpe 8:65a4de035c3c 212 wr_reg(0x23, 0x8D); /* Vcom Control 1 */
dreschpe 8:65a4de035c3c 213
dreschpe 8:65a4de035c3c 214 /* Gamma settings -----------------------------------------------------------*/
dreschpe 13:2c91cb947161 215 wr_reg(0x40,0x00); // default setup
dreschpe 8:65a4de035c3c 216 wr_reg(0x41,0x00); //
dreschpe 8:65a4de035c3c 217 wr_reg(0x42,0x01); //
dreschpe 8:65a4de035c3c 218 wr_reg(0x43,0x13); //
dreschpe 8:65a4de035c3c 219 wr_reg(0x44,0x10); //
dreschpe 8:65a4de035c3c 220 wr_reg(0x45,0x26); //
dreschpe 8:65a4de035c3c 221 wr_reg(0x46,0x08); //
dreschpe 8:65a4de035c3c 222 wr_reg(0x47,0x51); //
dreschpe 8:65a4de035c3c 223 wr_reg(0x48,0x02); //
dreschpe 8:65a4de035c3c 224 wr_reg(0x49,0x12); //
dreschpe 8:65a4de035c3c 225 wr_reg(0x4A,0x18); //
dreschpe 8:65a4de035c3c 226 wr_reg(0x4B,0x19); //
dreschpe 8:65a4de035c3c 227 wr_reg(0x4C,0x14); //
dreschpe 8:65a4de035c3c 228 wr_reg(0x50,0x19); //
dreschpe 8:65a4de035c3c 229 wr_reg(0x51,0x2F); //
dreschpe 8:65a4de035c3c 230 wr_reg(0x52,0x2C); //
dreschpe 8:65a4de035c3c 231 wr_reg(0x53,0x3E); //
dreschpe 8:65a4de035c3c 232 wr_reg(0x54,0x3F); //
dreschpe 8:65a4de035c3c 233 wr_reg(0x55,0x3F); //
dreschpe 8:65a4de035c3c 234 wr_reg(0x56,0x2E); //
dreschpe 8:65a4de035c3c 235 wr_reg(0x57,0x77); //
dreschpe 8:65a4de035c3c 236 wr_reg(0x58,0x0B); //
dreschpe 8:65a4de035c3c 237 wr_reg(0x59,0x06); //
dreschpe 8:65a4de035c3c 238 wr_reg(0x5A,0x07); //
dreschpe 8:65a4de035c3c 239 wr_reg(0x5B,0x0D); //
dreschpe 8:65a4de035c3c 240 wr_reg(0x5C,0x1D); //
dreschpe 8:65a4de035c3c 241 wr_reg(0x5D,0xCC); //
dreschpe 8:65a4de035c3c 242
dreschpe 8:65a4de035c3c 243 /* Power + Osc ---------------------------------------------------------------*/
dreschpe 8:65a4de035c3c 244 wr_reg(0x18, 0x0036); /* OSC Control 1 */
dreschpe 8:65a4de035c3c 245 wr_reg(0x19, 0x0001); /* OSC Control 2 */
dreschpe 8:65a4de035c3c 246 wr_reg(0x01, 0x0000); /* Display Mode Control */
dreschpe 8:65a4de035c3c 247 wr_reg(0x1F, 0x0088); /* Power Control 6 */
dreschpe 8:65a4de035c3c 248 wait_ms(5); /* Delay 5 ms */
dreschpe 8:65a4de035c3c 249 wr_reg(0x1F, 0x0080); /* Power Control 6 */
dreschpe 8:65a4de035c3c 250 wait_ms(5); /* Delay 5 ms */
dreschpe 8:65a4de035c3c 251 wr_reg(0x1F, 0x0090); /* Power Control 6 */
dreschpe 8:65a4de035c3c 252 wait_ms(5); /* Delay 5 ms */
dreschpe 8:65a4de035c3c 253 wr_reg(0x1F, 0x00D0); /* Power Control 6 */
dreschpe 8:65a4de035c3c 254 wait_ms(5); /* Delay 5 ms */
dreschpe 8:65a4de035c3c 255
dreschpe 8:65a4de035c3c 256 wr_reg(0x17, 0x0005); /* Colmod 16Bit/Pixel */
dreschpe 8:65a4de035c3c 257
dreschpe 8:65a4de035c3c 258 wr_reg(0x36, 0x0000); /* Panel Characteristic */
dreschpe 8:65a4de035c3c 259 wr_reg(0x28, 0x0038); /* Display Control 3 */
dreschpe 8:65a4de035c3c 260 wait_ms(40);
dreschpe 8:65a4de035c3c 261 wr_reg(0x28, 0x003C); /* Display Control 3 */
dreschpe 8:65a4de035c3c 262 switch (orientation) {
dreschpe 8:65a4de035c3c 263 case 0:
dreschpe 8:65a4de035c3c 264 wr_reg(0x16, 0x0008);
dreschpe 8:65a4de035c3c 265 break;
dreschpe 8:65a4de035c3c 266 case 1:
dreschpe 8:65a4de035c3c 267 wr_reg(0x16, 0x0068);
dreschpe 8:65a4de035c3c 268 break;
dreschpe 8:65a4de035c3c 269 case 2:
dreschpe 8:65a4de035c3c 270 wr_reg(0x16, 0x00C8);
dreschpe 8:65a4de035c3c 271 break;
dreschpe 8:65a4de035c3c 272 case 3:
dreschpe 8:65a4de035c3c 273 wr_reg(0x16, 0x00A8);
dreschpe 8:65a4de035c3c 274 break;
dreschpe 8:65a4de035c3c 275 }
dreschpe 13:2c91cb947161 276 #if defined USE_DMA // setup DMA channel 0
dreschpe 13:2c91cb947161 277 LPC_SC->PCONP |= (1UL << 29); // Power up the GPDMA.
dreschpe 8:65a4de035c3c 278 LPC_GPDMA->DMACConfig = 1; // enable DMA controller
dreschpe 13:2c91cb947161 279 LPC_GPDMA->DMACIntTCClear = 0x1; // Reset the Interrupt status
dreschpe 8:65a4de035c3c 280 LPC_GPDMA->DMACIntErrClr = 0x1;
dreschpe 8:65a4de035c3c 281 LPC_GPDMACH0->DMACCLLI = 0;
dreschpe 8:65a4de035c3c 282 #endif
dreschpe 8:65a4de035c3c 283 WindowMax ();
dreschpe 8:65a4de035c3c 284 }
dreschpe 8:65a4de035c3c 285
dreschpe 13:2c91cb947161 286 // Set one pixel
dreschpe 8:65a4de035c3c 287 void SPI_TFT::pixel(int x, int y, int color)
dreschpe 8:65a4de035c3c 288 {
dreschpe 8:65a4de035c3c 289 wr_reg(0x03, (x >> 0));
dreschpe 8:65a4de035c3c 290 wr_reg(0x02, (x >> 8));
dreschpe 8:65a4de035c3c 291 wr_reg(0x07, (y >> 0));
dreschpe 8:65a4de035c3c 292 wr_reg(0x06, (y >> 8));
dreschpe 8:65a4de035c3c 293 wr_cmd(0x22);
dreschpe 8:65a4de035c3c 294 _cs = 0;
dreschpe 13:2c91cb947161 295 #if defined NO_MBED_LIB
dreschpe 8:65a4de035c3c 296 if (spi_port == 0) { // TFT on SSP0
dreschpe 8:65a4de035c3c 297 LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit
dreschpe 8:65a4de035c3c 298 LPC_SSP0->DR = 0x72; // start Data
dreschpe 8:65a4de035c3c 299 LPC_SSP0->CR0 |= 0x08UL; // set back to 16 bit
dreschpe 9:a63fd1ad41b0 300 LPC_SSP0->DR = color; // Pixel
dreschpe 8:65a4de035c3c 301 // we have to wait for SPI IDLE to set CS back to high
dreschpe 8:65a4de035c3c 302 do {
dreschpe 8:65a4de035c3c 303 } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI0 not idle
dreschpe 8:65a4de035c3c 304 } else {
dreschpe 8:65a4de035c3c 305 LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit
dreschpe 8:65a4de035c3c 306 LPC_SSP1->DR = 0x72; // start Data
dreschpe 8:65a4de035c3c 307 LPC_SSP1->CR0 |= 0x08UL; // set back to 16 bit
dreschpe 9:a63fd1ad41b0 308 LPC_SSP1->DR = color;
dreschpe 8:65a4de035c3c 309 // we have to wait for SPI IDLE to set CS back to high
dreschpe 8:65a4de035c3c 310 do {
dreschpe 8:65a4de035c3c 311 } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle
dreschpe 8:65a4de035c3c 312 }
dreschpe 9:a63fd1ad41b0 313 #else
dreschpe 9:a63fd1ad41b0 314 _spi.format(8,3); // 8 bit Mode 3
dreschpe 9:a63fd1ad41b0 315 _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
dreschpe 13:2c91cb947161 316 #if defined TARGET_KL25Z // 8 Bit SPI
dreschpe 13:2c91cb947161 317 _spi.write(color >> 8);
dreschpe 13:2c91cb947161 318 _spi.write(color & 0xff);
dreschpe 13:2c91cb947161 319 #else
dreschpe 9:a63fd1ad41b0 320 _spi.format(16,3); // switch to 16 bit Mode 3
dreschpe 9:a63fd1ad41b0 321 _spi.write(color); // Write D0..D15
dreschpe 13:2c91cb947161 322 #endif
dreschpe 13:2c91cb947161 323 #endif
dreschpe 8:65a4de035c3c 324 _cs = 1;
dreschpe 8:65a4de035c3c 325 }
dreschpe 8:65a4de035c3c 326
dreschpe 13:2c91cb947161 327 // define draw area
dreschpe 8:65a4de035c3c 328 void SPI_TFT::window (unsigned int x, unsigned int y, unsigned int w, unsigned int h)
dreschpe 8:65a4de035c3c 329 {
dreschpe 8:65a4de035c3c 330 wr_reg(0x03, x );
dreschpe 8:65a4de035c3c 331 wr_reg(0x02, (x >> 8));
dreschpe 8:65a4de035c3c 332 wr_reg(0x05, x+w-1 );
dreschpe 8:65a4de035c3c 333 wr_reg(0x04, (x+w-1 >> 8));
dreschpe 8:65a4de035c3c 334 wr_reg(0x07, y );
dreschpe 8:65a4de035c3c 335 wr_reg(0x06, ( y >> 8));
dreschpe 8:65a4de035c3c 336 wr_reg(0x09, ( y+h-1 ));
dreschpe 8:65a4de035c3c 337 wr_reg(0x08, ( y+h-1 >> 8));
dreschpe 8:65a4de035c3c 338 }
dreschpe 8:65a4de035c3c 339
dreschpe 13:2c91cb947161 340 // set draw area to max
dreschpe 8:65a4de035c3c 341 void SPI_TFT::WindowMax (void)
dreschpe 8:65a4de035c3c 342 {
dreschpe 8:65a4de035c3c 343 window (0, 0, width(), height());
dreschpe 8:65a4de035c3c 344 }
dreschpe 8:65a4de035c3c 345
dreschpe 8:65a4de035c3c 346
dreschpe 13:2c91cb947161 347 // clear screen
dreschpe 8:65a4de035c3c 348 void SPI_TFT::cls (void)
dreschpe 8:65a4de035c3c 349 {
dreschpe 8:65a4de035c3c 350 int pixel = ( width() * height());
dreschpe 8:65a4de035c3c 351 #if defined USE_DMA
dreschpe 8:65a4de035c3c 352 int dma_count;
dreschpe 8:65a4de035c3c 353 int color = _background;
dreschpe 8:65a4de035c3c 354 #endif
dreschpe 8:65a4de035c3c 355 WindowMax();
dreschpe 8:65a4de035c3c 356 wr_cmd(0x22);
dreschpe 8:65a4de035c3c 357
dreschpe 9:a63fd1ad41b0 358 #if defined NO_MBED_LIB
dreschpe 8:65a4de035c3c 359 #if defined USE_DMA
dreschpe 8:65a4de035c3c 360 LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)&color;
dreschpe 8:65a4de035c3c 361 #endif
dreschpe 8:65a4de035c3c 362 _cs = 0;
dreschpe 8:65a4de035c3c 363 if (spi_port == 0) { // TFT on SSP0
dreschpe 8:65a4de035c3c 364 #if defined USE_DMA
dreschpe 8:65a4de035c3c 365 LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0
dreschpe 8:65a4de035c3c 366 /* Enable SSP0 for DMA. */
dreschpe 8:65a4de035c3c 367 LPC_SSP0->DMACR = 0x2;
dreschpe 8:65a4de035c3c 368 #endif
dreschpe 8:65a4de035c3c 369 LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit
dreschpe 8:65a4de035c3c 370 LPC_SSP0->DR = 0x72; // start byte
dreschpe 8:65a4de035c3c 371 LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit
dreschpe 8:65a4de035c3c 372 } else {
dreschpe 8:65a4de035c3c 373 #if defined USE_DMA
dreschpe 8:65a4de035c3c 374 LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1
dreschpe 8:65a4de035c3c 375 /* Enable SSP1 for DMA. */
dreschpe 8:65a4de035c3c 376 LPC_SSP1->DMACR = 0x2;
dreschpe 8:65a4de035c3c 377 #endif
dreschpe 8:65a4de035c3c 378 LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit
dreschpe 8:65a4de035c3c 379 LPC_SSP1->DR = 0x72; // start Data
dreschpe 8:65a4de035c3c 380 LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit
dreschpe 8:65a4de035c3c 381 }
dreschpe 8:65a4de035c3c 382
dreschpe 8:65a4de035c3c 383 #if defined USE_DMA
dreschpe 8:65a4de035c3c 384 // start DMA
dreschpe 8:65a4de035c3c 385 do {
dreschpe 8:65a4de035c3c 386 if (pixel > 4095) {
dreschpe 8:65a4de035c3c 387 dma_count = 4095;
dreschpe 8:65a4de035c3c 388 pixel = pixel - 4095;
dreschpe 8:65a4de035c3c 389 } else {
dreschpe 8:65a4de035c3c 390 dma_count = pixel;
dreschpe 8:65a4de035c3c 391 pixel = 0;
dreschpe 8:65a4de035c3c 392 }
dreschpe 8:65a4de035c3c 393 LPC_GPDMA->DMACIntTCClear = 0x1;
dreschpe 8:65a4de035c3c 394 LPC_GPDMA->DMACIntErrClr = 0x1;
dreschpe 8:65a4de035c3c 395 LPC_GPDMACH0->DMACCControl = dma_count | (1UL << 18) | (1UL << 21) | (1UL << 31) ; // 16 bit transfer , no address increment, interrupt
dreschpe 8:65a4de035c3c 396 LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX);
dreschpe 8:65a4de035c3c 397 LPC_GPDMA->DMACSoftSReq = 0x1; // DMA request
dreschpe 8:65a4de035c3c 398
dreschpe 8:65a4de035c3c 399 do {
dreschpe 8:65a4de035c3c 400 } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
dreschpe 8:65a4de035c3c 401
dreschpe 8:65a4de035c3c 402 } while (pixel > 0);
dreschpe 8:65a4de035c3c 403 if (spi_port == 0) { // TFT on SSP0
dreschpe 8:65a4de035c3c 404 do {
dreschpe 8:65a4de035c3c 405 } while ((0x0010 & LPC_SSP0->SR) == 0x10); // SPI FIFO not empty
dreschpe 8:65a4de035c3c 406 /* disable SSP0 for DMA. */
dreschpe 8:65a4de035c3c 407 LPC_SSP0->DMACR = 0x0;
dreschpe 8:65a4de035c3c 408 } else {
dreschpe 8:65a4de035c3c 409 do {
dreschpe 8:65a4de035c3c 410 } while ((0x0010 & LPC_SSP1->SR) == 0x10); // SPI FIFO not empty
dreschpe 8:65a4de035c3c 411 /* disable SSP1 for DMA. */
dreschpe 8:65a4de035c3c 412 LPC_SSP1->DMACR = 0x0;
dreschpe 8:65a4de035c3c 413 }
dreschpe 8:65a4de035c3c 414 #else // no DMA
dreschpe 8:65a4de035c3c 415 unsigned int i;
dreschpe 8:65a4de035c3c 416 for (i = 0; i < ( width() * height()); i++)
dreschpe 8:65a4de035c3c 417 _spi.write(_background);
dreschpe 8:65a4de035c3c 418 #endif
dreschpe 13:2c91cb947161 419
dreschpe 13:2c91cb947161 420 #else // use mbed lib
dreschpe 9:a63fd1ad41b0 421 _cs = 0;
dreschpe 13:2c91cb947161 422 #if defined TARGET_KL25Z // 8 Bit SPI
dreschpe 13:2c91cb947161 423 _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
dreschpe 13:2c91cb947161 424 unsigned int i;
dreschpe 13:2c91cb947161 425 for (i = 0; i < ( width() * height()); i++) {
dreschpe 13:2c91cb947161 426 _spi.write(_background >> 8);
dreschpe 13:2c91cb947161 427 _spi.write(_background & 0xff);
dreschpe 13:2c91cb947161 428 }
dreschpe 13:2c91cb947161 429 #else // 16 bit SPI
dreschpe 9:a63fd1ad41b0 430 _spi.format(8,3); // 8 bit Mode 3
dreschpe 9:a63fd1ad41b0 431 _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
dreschpe 13:2c91cb947161 432 _spi.format(16,3); // switch back to 16 bit Mode 3
dreschpe 9:a63fd1ad41b0 433 unsigned int i;
dreschpe 9:a63fd1ad41b0 434 for (i = 0; i < ( width() * height()); i++)
dreschpe 13:2c91cb947161 435 _spi.write(_background);
dreschpe 13:2c91cb947161 436 #endif
dreschpe 9:a63fd1ad41b0 437 #endif
dreschpe 8:65a4de035c3c 438 _cs = 1;
dreschpe 8:65a4de035c3c 439 }
dreschpe 8:65a4de035c3c 440
dreschpe 13:2c91cb947161 441 // draw circle
dreschpe 8:65a4de035c3c 442 void SPI_TFT::circle(int x0, int y0, int r, int color)
dreschpe 8:65a4de035c3c 443 {
dreschpe 8:65a4de035c3c 444
dreschpe 8:65a4de035c3c 445 int draw_x0, draw_y0;
dreschpe 8:65a4de035c3c 446 int draw_x1, draw_y1;
dreschpe 8:65a4de035c3c 447 int draw_x2, draw_y2;
dreschpe 8:65a4de035c3c 448 int draw_x3, draw_y3;
dreschpe 8:65a4de035c3c 449 int draw_x4, draw_y4;
dreschpe 8:65a4de035c3c 450 int draw_x5, draw_y5;
dreschpe 8:65a4de035c3c 451 int draw_x6, draw_y6;
dreschpe 8:65a4de035c3c 452 int draw_x7, draw_y7;
dreschpe 8:65a4de035c3c 453 int xx, yy;
dreschpe 8:65a4de035c3c 454 int di;
dreschpe 8:65a4de035c3c 455 //WindowMax();
dreschpe 8:65a4de035c3c 456 if (r == 0) { /* no radius */
dreschpe 8:65a4de035c3c 457 return;
dreschpe 8:65a4de035c3c 458 }
dreschpe 8:65a4de035c3c 459
dreschpe 8:65a4de035c3c 460 draw_x0 = draw_x1 = x0;
dreschpe 8:65a4de035c3c 461 draw_y0 = draw_y1 = y0 + r;
dreschpe 8:65a4de035c3c 462 if (draw_y0 < height()) {
dreschpe 8:65a4de035c3c 463 pixel(draw_x0, draw_y0, color); /* 90 degree */
dreschpe 8:65a4de035c3c 464 }
dreschpe 8:65a4de035c3c 465
dreschpe 8:65a4de035c3c 466 draw_x2 = draw_x3 = x0;
dreschpe 8:65a4de035c3c 467 draw_y2 = draw_y3 = y0 - r;
dreschpe 8:65a4de035c3c 468 if (draw_y2 >= 0) {
dreschpe 8:65a4de035c3c 469 pixel(draw_x2, draw_y2, color); /* 270 degree */
dreschpe 8:65a4de035c3c 470 }
dreschpe 8:65a4de035c3c 471
dreschpe 8:65a4de035c3c 472 draw_x4 = draw_x6 = x0 + r;
dreschpe 8:65a4de035c3c 473 draw_y4 = draw_y6 = y0;
dreschpe 8:65a4de035c3c 474 if (draw_x4 < width()) {
dreschpe 8:65a4de035c3c 475 pixel(draw_x4, draw_y4, color); /* 0 degree */
dreschpe 8:65a4de035c3c 476 }
dreschpe 8:65a4de035c3c 477
dreschpe 8:65a4de035c3c 478 draw_x5 = draw_x7 = x0 - r;
dreschpe 8:65a4de035c3c 479 draw_y5 = draw_y7 = y0;
dreschpe 8:65a4de035c3c 480 if (draw_x5>=0) {
dreschpe 8:65a4de035c3c 481 pixel(draw_x5, draw_y5, color); /* 180 degree */
dreschpe 8:65a4de035c3c 482 }
dreschpe 8:65a4de035c3c 483
dreschpe 8:65a4de035c3c 484 if (r == 1) {
dreschpe 8:65a4de035c3c 485 return;
dreschpe 8:65a4de035c3c 486 }
dreschpe 8:65a4de035c3c 487
dreschpe 8:65a4de035c3c 488 di = 3 - 2*r;
dreschpe 8:65a4de035c3c 489 xx = 0;
dreschpe 8:65a4de035c3c 490 yy = r;
dreschpe 8:65a4de035c3c 491 while (xx < yy) {
dreschpe 8:65a4de035c3c 492
dreschpe 8:65a4de035c3c 493 if (di < 0) {
dreschpe 8:65a4de035c3c 494 di += 4*xx + 6;
dreschpe 8:65a4de035c3c 495 } else {
dreschpe 8:65a4de035c3c 496 di += 4*(xx - yy) + 10;
dreschpe 8:65a4de035c3c 497 yy--;
dreschpe 8:65a4de035c3c 498 draw_y0--;
dreschpe 8:65a4de035c3c 499 draw_y1--;
dreschpe 8:65a4de035c3c 500 draw_y2++;
dreschpe 8:65a4de035c3c 501 draw_y3++;
dreschpe 8:65a4de035c3c 502 draw_x4--;
dreschpe 8:65a4de035c3c 503 draw_x5++;
dreschpe 8:65a4de035c3c 504 draw_x6--;
dreschpe 8:65a4de035c3c 505 draw_x7++;
dreschpe 8:65a4de035c3c 506 }
dreschpe 8:65a4de035c3c 507 xx++;
dreschpe 8:65a4de035c3c 508 draw_x0++;
dreschpe 8:65a4de035c3c 509 draw_x1--;
dreschpe 8:65a4de035c3c 510 draw_x2++;
dreschpe 8:65a4de035c3c 511 draw_x3--;
dreschpe 8:65a4de035c3c 512 draw_y4++;
dreschpe 8:65a4de035c3c 513 draw_y5++;
dreschpe 8:65a4de035c3c 514 draw_y6--;
dreschpe 8:65a4de035c3c 515 draw_y7--;
dreschpe 8:65a4de035c3c 516
dreschpe 8:65a4de035c3c 517 if ( (draw_x0 <= width()) && (draw_y0>=0) ) {
dreschpe 8:65a4de035c3c 518 pixel(draw_x0, draw_y0, color);
dreschpe 8:65a4de035c3c 519 }
dreschpe 8:65a4de035c3c 520
dreschpe 8:65a4de035c3c 521 if ( (draw_x1 >= 0) && (draw_y1 >= 0) ) {
dreschpe 8:65a4de035c3c 522 pixel(draw_x1, draw_y1, color);
dreschpe 8:65a4de035c3c 523 }
dreschpe 8:65a4de035c3c 524
dreschpe 8:65a4de035c3c 525 if ( (draw_x2 <= width()) && (draw_y2 <= height()) ) {
dreschpe 8:65a4de035c3c 526 pixel(draw_x2, draw_y2, color);
dreschpe 8:65a4de035c3c 527 }
dreschpe 8:65a4de035c3c 528
dreschpe 8:65a4de035c3c 529 if ( (draw_x3 >=0 ) && (draw_y3 <= height()) ) {
dreschpe 8:65a4de035c3c 530 pixel(draw_x3, draw_y3, color);
dreschpe 8:65a4de035c3c 531 }
dreschpe 8:65a4de035c3c 532
dreschpe 8:65a4de035c3c 533 if ( (draw_x4 <= width()) && (draw_y4 >= 0) ) {
dreschpe 8:65a4de035c3c 534 pixel(draw_x4, draw_y4, color);
dreschpe 8:65a4de035c3c 535 }
dreschpe 8:65a4de035c3c 536
dreschpe 8:65a4de035c3c 537 if ( (draw_x5 >= 0) && (draw_y5 >= 0) ) {
dreschpe 8:65a4de035c3c 538 pixel(draw_x5, draw_y5, color);
dreschpe 8:65a4de035c3c 539 }
dreschpe 8:65a4de035c3c 540 if ( (draw_x6 <=width()) && (draw_y6 <= height()) ) {
dreschpe 8:65a4de035c3c 541 pixel(draw_x6, draw_y6, color);
dreschpe 8:65a4de035c3c 542 }
dreschpe 8:65a4de035c3c 543 if ( (draw_x7 >= 0) && (draw_y7 <= height()) ) {
dreschpe 8:65a4de035c3c 544 pixel(draw_x7, draw_y7, color);
dreschpe 8:65a4de035c3c 545 }
dreschpe 8:65a4de035c3c 546 }
dreschpe 8:65a4de035c3c 547 return;
dreschpe 8:65a4de035c3c 548 }
dreschpe 8:65a4de035c3c 549
dreschpe 8:65a4de035c3c 550 void SPI_TFT::fillcircle(int x, int y, int r, int color)
dreschpe 8:65a4de035c3c 551 {
dreschpe 8:65a4de035c3c 552 int i;
dreschpe 8:65a4de035c3c 553 for (i = 0; i <= r; i++)
dreschpe 8:65a4de035c3c 554 circle(x,y,i,color);
dreschpe 8:65a4de035c3c 555 }
dreschpe 8:65a4de035c3c 556
dreschpe 8:65a4de035c3c 557
dreschpe 13:2c91cb947161 558 // draw horizontal line
dreschpe 8:65a4de035c3c 559 void SPI_TFT::hline(int x0, int x1, int y, int color)
dreschpe 8:65a4de035c3c 560 {
dreschpe 11:9bb71766cafc 561 int w;
dreschpe 8:65a4de035c3c 562 w = x1 - x0 + 1;
dreschpe 8:65a4de035c3c 563 window(x0,y,w,1);
dreschpe 8:65a4de035c3c 564 wr_cmd(0x22);
dreschpe 8:65a4de035c3c 565 _cs = 0;
dreschpe 13:2c91cb947161 566 #if defined NO_MBED_LIB
dreschpe 8:65a4de035c3c 567 if (spi_port == 0) { // TFT on SSP0
dreschpe 8:65a4de035c3c 568 #if defined USE_DMA
dreschpe 8:65a4de035c3c 569 LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0
dreschpe 8:65a4de035c3c 570 /* Enable SSP0 for DMA. */
dreschpe 8:65a4de035c3c 571 LPC_SSP0->DMACR = 0x2;
dreschpe 8:65a4de035c3c 572 #endif
dreschpe 8:65a4de035c3c 573 LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit
dreschpe 8:65a4de035c3c 574 LPC_SSP0->DR = 0x72; // start Data
dreschpe 8:65a4de035c3c 575 LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit
dreschpe 8:65a4de035c3c 576 } else {
dreschpe 8:65a4de035c3c 577 #if defined USE_DMA
dreschpe 8:65a4de035c3c 578 LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1
dreschpe 8:65a4de035c3c 579 /* Enable SSP1 for DMA. */
dreschpe 8:65a4de035c3c 580 LPC_SSP1->DMACR = 0x2;
dreschpe 8:65a4de035c3c 581 #endif
dreschpe 8:65a4de035c3c 582 LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit
dreschpe 8:65a4de035c3c 583 LPC_SSP1->DR = 0x72; // start Data
dreschpe 8:65a4de035c3c 584 LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit
dreschpe 8:65a4de035c3c 585 }
dreschpe 8:65a4de035c3c 586 #if defined USE_DMA
dreschpe 8:65a4de035c3c 587 LPC_GPDMA->DMACIntTCClear = 0x1;
dreschpe 8:65a4de035c3c 588 LPC_GPDMA->DMACIntErrClr = 0x1;
dreschpe 8:65a4de035c3c 589 LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)&color;
dreschpe 8:65a4de035c3c 590 LPC_GPDMACH0->DMACCControl = w | (1UL << 18) | (1UL << 21) | (1UL << 31) ; // 16 bit transfer , no address increment, interrupt
dreschpe 8:65a4de035c3c 591 LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX);
dreschpe 8:65a4de035c3c 592 LPC_GPDMA->DMACSoftSReq = 0x1; // start DMA
dreschpe 8:65a4de035c3c 593 do {
dreschpe 8:65a4de035c3c 594 } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
dreschpe 8:65a4de035c3c 595 if (spi_port == 0) { // TFT on SSP0
dreschpe 8:65a4de035c3c 596 do {
dreschpe 8:65a4de035c3c 597 } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI FIFO not empty
dreschpe 8:65a4de035c3c 598 } else {
dreschpe 8:65a4de035c3c 599 do {
dreschpe 8:65a4de035c3c 600 } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI FIFO not empty
dreschpe 8:65a4de035c3c 601 }
dreschpe 13:2c91cb947161 602 #else // USE_DMA
dreschpe 11:9bb71766cafc 603 int i;
dreschpe 8:65a4de035c3c 604 for (i=0; i<w; i++) {
dreschpe 8:65a4de035c3c 605 _spi.write(color);
dreschpe 8:65a4de035c3c 606 }
dreschpe 13:2c91cb947161 607 #endif
dreschpe 9:a63fd1ad41b0 608 #else // use mbed lib
dreschpe 13:2c91cb947161 609 #if defined TARGET_KL25Z // 8 Bit SPI
dreschpe 13:2c91cb947161 610 _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
dreschpe 13:2c91cb947161 611 for (int j=0; j<w; j++) {
dreschpe 13:2c91cb947161 612 _spi.write(color >> 8);
dreschpe 13:2c91cb947161 613 _spi.write(color & 0xff);
dreschpe 13:2c91cb947161 614 }
dreschpe 13:2c91cb947161 615
dreschpe 13:2c91cb947161 616 #else // 16 Bit SPI
dreschpe 9:a63fd1ad41b0 617 _spi.format(8,3); // 8 bit Mode 3
dreschpe 9:a63fd1ad41b0 618 _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
dreschpe 13:2c91cb947161 619 _spi.format(16,3); // switch back to 16 bit Mode 3
dreschpe 13:2c91cb947161 620 for (int j=0; j<w; j++) {
dreschpe 9:a63fd1ad41b0 621 _spi.write(color);
dreschpe 9:a63fd1ad41b0 622 }
dreschpe 13:2c91cb947161 623 #endif
dreschpe 13:2c91cb947161 624 #endif
dreschpe 8:65a4de035c3c 625 _cs = 1;
dreschpe 8:65a4de035c3c 626 WindowMax();
dreschpe 8:65a4de035c3c 627 return;
dreschpe 8:65a4de035c3c 628 }
dreschpe 8:65a4de035c3c 629
dreschpe 13:2c91cb947161 630 // draw vertical line
dreschpe 8:65a4de035c3c 631 void SPI_TFT::vline(int x, int y0, int y1, int color)
dreschpe 8:65a4de035c3c 632 {
dreschpe 8:65a4de035c3c 633 int h;
dreschpe 8:65a4de035c3c 634 h = y1 - y0 + 1;
dreschpe 8:65a4de035c3c 635 window(x,y0,1,h);
dreschpe 8:65a4de035c3c 636 wr_cmd(0x22);
dreschpe 8:65a4de035c3c 637 _cs = 0;
dreschpe 13:2c91cb947161 638 #if defined NO_MBED_LIB
dreschpe 8:65a4de035c3c 639 if (spi_port == 0) { // TFT on SSP0
dreschpe 8:65a4de035c3c 640 #if defined USE_DMA
dreschpe 8:65a4de035c3c 641 LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0
dreschpe 8:65a4de035c3c 642 /* Enable SSP0 for DMA. */
dreschpe 8:65a4de035c3c 643 LPC_SSP0->DMACR = 0x2;
dreschpe 8:65a4de035c3c 644 #endif
dreschpe 8:65a4de035c3c 645 LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit
dreschpe 8:65a4de035c3c 646 LPC_SSP0->DR = 0x72; // start Data
dreschpe 8:65a4de035c3c 647 LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit
dreschpe 8:65a4de035c3c 648 } else {
dreschpe 8:65a4de035c3c 649 #if defined USE_DMA
dreschpe 8:65a4de035c3c 650 LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1
dreschpe 8:65a4de035c3c 651 /* Enable SSP1 for DMA. */
dreschpe 8:65a4de035c3c 652 LPC_SSP1->DMACR = 0x2;
dreschpe 8:65a4de035c3c 653 #endif
dreschpe 8:65a4de035c3c 654 LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit
dreschpe 8:65a4de035c3c 655 LPC_SSP1->DR = 0x72; // start Data
dreschpe 8:65a4de035c3c 656 LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit
dreschpe 8:65a4de035c3c 657 }
dreschpe 8:65a4de035c3c 658 #if defined USE_DMA
dreschpe 8:65a4de035c3c 659 LPC_GPDMA->DMACIntTCClear = 0x1;
dreschpe 8:65a4de035c3c 660 LPC_GPDMA->DMACIntErrClr = 0x1;
dreschpe 8:65a4de035c3c 661 LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)&color;
dreschpe 8:65a4de035c3c 662 LPC_GPDMACH0->DMACCControl = h | (1UL << 18) | (1UL << 21) | (1UL << 31) ; // 16 bit transfer , no address increment, interrupt
dreschpe 8:65a4de035c3c 663 LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX);
dreschpe 8:65a4de035c3c 664 LPC_GPDMA->DMACSoftSReq = 0x1;
dreschpe 8:65a4de035c3c 665 do {
dreschpe 8:65a4de035c3c 666 } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
dreschpe 8:65a4de035c3c 667
dreschpe 8:65a4de035c3c 668 if (spi_port == 0) { // TFT on SSP0
dreschpe 8:65a4de035c3c 669 do {
dreschpe 8:65a4de035c3c 670 } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI FIFO not empty
dreschpe 8:65a4de035c3c 671 } else {
dreschpe 8:65a4de035c3c 672 do {
dreschpe 8:65a4de035c3c 673 } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI FIFO not empty
dreschpe 8:65a4de035c3c 674 }
dreschpe 8:65a4de035c3c 675 #else
dreschpe 8:65a4de035c3c 676 for (int y=0; y<h; y++) {
dreschpe 8:65a4de035c3c 677 _spi.write(color);
dreschpe 8:65a4de035c3c 678 }
dreschpe 8:65a4de035c3c 679 #endif
dreschpe 9:a63fd1ad41b0 680 #else // use mbed lib
dreschpe 13:2c91cb947161 681 #if defined TARGET_KL25Z // 8 Bit SPI
dreschpe 13:2c91cb947161 682 _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
dreschpe 13:2c91cb947161 683 for (int y=0; y<h; y++) {
dreschpe 13:2c91cb947161 684 _spi.write(color >> 8);
dreschpe 13:2c91cb947161 685 _spi.write(color & 0xff);
dreschpe 13:2c91cb947161 686 }
dreschpe 13:2c91cb947161 687 #else // 16 bit SPI
dreschpe 9:a63fd1ad41b0 688 _spi.format(8,3); // 8 bit Mode 3
dreschpe 9:a63fd1ad41b0 689 _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
dreschpe 9:a63fd1ad41b0 690 _spi.format(16,3); // switch to 16 bit Mode 3
dreschpe 9:a63fd1ad41b0 691 for (int y=0; y<h; y++) {
dreschpe 9:a63fd1ad41b0 692 _spi.write(color);
dreschpe 9:a63fd1ad41b0 693 }
dreschpe 13:2c91cb947161 694 #endif
dreschpe 13:2c91cb947161 695 #endif
dreschpe 8:65a4de035c3c 696 _cs = 1;
dreschpe 8:65a4de035c3c 697 WindowMax();
dreschpe 8:65a4de035c3c 698 return;
dreschpe 8:65a4de035c3c 699 }
dreschpe 8:65a4de035c3c 700
dreschpe 8:65a4de035c3c 701
dreschpe 13:2c91cb947161 702 // draw line
dreschpe 8:65a4de035c3c 703 void SPI_TFT::line(int x0, int y0, int x1, int y1, int color)
dreschpe 8:65a4de035c3c 704 {
dreschpe 8:65a4de035c3c 705 //WindowMax();
dreschpe 8:65a4de035c3c 706 int dx = 0, dy = 0;
dreschpe 8:65a4de035c3c 707 int dx_sym = 0, dy_sym = 0;
dreschpe 8:65a4de035c3c 708 int dx_x2 = 0, dy_x2 = 0;
dreschpe 8:65a4de035c3c 709 int di = 0;
dreschpe 8:65a4de035c3c 710
dreschpe 8:65a4de035c3c 711 dx = x1-x0;
dreschpe 8:65a4de035c3c 712 dy = y1-y0;
dreschpe 8:65a4de035c3c 713
dreschpe 8:65a4de035c3c 714 if (dx == 0) { /* vertical line */
dreschpe 8:65a4de035c3c 715 if (y1 > y0) vline(x0,y0,y1,color);
dreschpe 8:65a4de035c3c 716 else vline(x0,y1,y0,color);
dreschpe 8:65a4de035c3c 717 return;
dreschpe 8:65a4de035c3c 718 }
dreschpe 8:65a4de035c3c 719
dreschpe 8:65a4de035c3c 720 if (dx > 0) {
dreschpe 8:65a4de035c3c 721 dx_sym = 1;
dreschpe 8:65a4de035c3c 722 } else {
dreschpe 8:65a4de035c3c 723 dx_sym = -1;
dreschpe 8:65a4de035c3c 724 }
dreschpe 8:65a4de035c3c 725 if (dy == 0) { /* horizontal line */
dreschpe 8:65a4de035c3c 726 if (x1 > x0) hline(x0,x1,y0,color);
dreschpe 8:65a4de035c3c 727 else hline(x1,x0,y0,color);
dreschpe 8:65a4de035c3c 728 return;
dreschpe 8:65a4de035c3c 729 }
dreschpe 8:65a4de035c3c 730
dreschpe 8:65a4de035c3c 731 if (dy > 0) {
dreschpe 8:65a4de035c3c 732 dy_sym = 1;
dreschpe 8:65a4de035c3c 733 } else {
dreschpe 8:65a4de035c3c 734 dy_sym = -1;
dreschpe 8:65a4de035c3c 735 }
dreschpe 8:65a4de035c3c 736
dreschpe 8:65a4de035c3c 737 dx = dx_sym*dx;
dreschpe 8:65a4de035c3c 738 dy = dy_sym*dy;
dreschpe 8:65a4de035c3c 739
dreschpe 8:65a4de035c3c 740 dx_x2 = dx*2;
dreschpe 8:65a4de035c3c 741 dy_x2 = dy*2;
dreschpe 8:65a4de035c3c 742
dreschpe 8:65a4de035c3c 743 if (dx >= dy) {
dreschpe 8:65a4de035c3c 744 di = dy_x2 - dx;
dreschpe 8:65a4de035c3c 745 while (x0 != x1) {
dreschpe 8:65a4de035c3c 746
dreschpe 8:65a4de035c3c 747 pixel(x0, y0, color);
dreschpe 8:65a4de035c3c 748 x0 += dx_sym;
dreschpe 8:65a4de035c3c 749 if (di<0) {
dreschpe 8:65a4de035c3c 750 di += dy_x2;
dreschpe 8:65a4de035c3c 751 } else {
dreschpe 8:65a4de035c3c 752 di += dy_x2 - dx_x2;
dreschpe 8:65a4de035c3c 753 y0 += dy_sym;
dreschpe 8:65a4de035c3c 754 }
dreschpe 8:65a4de035c3c 755 }
dreschpe 8:65a4de035c3c 756 pixel(x0, y0, color);
dreschpe 8:65a4de035c3c 757 } else {
dreschpe 8:65a4de035c3c 758 di = dx_x2 - dy;
dreschpe 8:65a4de035c3c 759 while (y0 != y1) {
dreschpe 8:65a4de035c3c 760 pixel(x0, y0, color);
dreschpe 8:65a4de035c3c 761 y0 += dy_sym;
dreschpe 8:65a4de035c3c 762 if (di < 0) {
dreschpe 8:65a4de035c3c 763 di += dx_x2;
dreschpe 8:65a4de035c3c 764 } else {
dreschpe 8:65a4de035c3c 765 di += dx_x2 - dy_x2;
dreschpe 8:65a4de035c3c 766 x0 += dx_sym;
dreschpe 8:65a4de035c3c 767 }
dreschpe 8:65a4de035c3c 768 }
dreschpe 8:65a4de035c3c 769 pixel(x0, y0, color);
dreschpe 8:65a4de035c3c 770 }
dreschpe 8:65a4de035c3c 771 return;
dreschpe 8:65a4de035c3c 772 }
dreschpe 8:65a4de035c3c 773
dreschpe 13:2c91cb947161 774 // draw rect
dreschpe 8:65a4de035c3c 775 void SPI_TFT::rect(int x0, int y0, int x1, int y1, int color)
dreschpe 8:65a4de035c3c 776 {
dreschpe 8:65a4de035c3c 777
dreschpe 8:65a4de035c3c 778 if (x1 > x0) hline(x0,x1,y0,color);
dreschpe 8:65a4de035c3c 779 else hline(x1,x0,y0,color);
dreschpe 8:65a4de035c3c 780
dreschpe 8:65a4de035c3c 781 if (y1 > y0) vline(x0,y0,y1,color);
dreschpe 8:65a4de035c3c 782 else vline(x0,y1,y0,color);
dreschpe 8:65a4de035c3c 783
dreschpe 8:65a4de035c3c 784 if (x1 > x0) hline(x0,x1,y1,color);
dreschpe 8:65a4de035c3c 785 else hline(x1,x0,y1,color);
dreschpe 8:65a4de035c3c 786
dreschpe 8:65a4de035c3c 787 if (y1 > y0) vline(x1,y0,y1,color);
dreschpe 8:65a4de035c3c 788 else vline(x1,y1,y0,color);
dreschpe 8:65a4de035c3c 789
dreschpe 8:65a4de035c3c 790 return;
dreschpe 8:65a4de035c3c 791 }
dreschpe 8:65a4de035c3c 792
dreschpe 8:65a4de035c3c 793
dreschpe 13:2c91cb947161 794 // fill rect
dreschpe 8:65a4de035c3c 795 void SPI_TFT::fillrect(int x0, int y0, int x1, int y1, int color)
dreschpe 8:65a4de035c3c 796 {
dreschpe 8:65a4de035c3c 797
dreschpe 8:65a4de035c3c 798 int h = y1 - y0 + 1;
dreschpe 8:65a4de035c3c 799 int w = x1 - x0 + 1;
dreschpe 8:65a4de035c3c 800 int pixel = h * w;
dreschpe 13:2c91cb947161 801 #if defined USE_DMA
dreschpe 8:65a4de035c3c 802 int dma_count;
dreschpe 13:2c91cb947161 803 #endif
dreschpe 8:65a4de035c3c 804 window(x0,y0,w,h);
dreschpe 8:65a4de035c3c 805 wr_cmd(0x22);
dreschpe 8:65a4de035c3c 806 _cs = 0;
dreschpe 13:2c91cb947161 807 #if defined NO_MBED_LIB
dreschpe 8:65a4de035c3c 808 if (spi_port == 0) { // TFT on SSP0
dreschpe 9:a63fd1ad41b0 809 #if defined USE_DMA
dreschpe 8:65a4de035c3c 810 LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0
dreschpe 8:65a4de035c3c 811 /* Enable SSP0 for DMA. */
dreschpe 8:65a4de035c3c 812 LPC_SSP0->DMACR = 0x2;
dreschpe 9:a63fd1ad41b0 813 #endif
dreschpe 8:65a4de035c3c 814 LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit
dreschpe 8:65a4de035c3c 815 LPC_SSP0->DR = 0x72; // start Data
dreschpe 8:65a4de035c3c 816 LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit
dreschpe 8:65a4de035c3c 817 } else {
dreschpe 9:a63fd1ad41b0 818 #if defined USE_DMA
dreschpe 8:65a4de035c3c 819 LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1
dreschpe 8:65a4de035c3c 820 /* Enable SSP1 for DMA. */
dreschpe 8:65a4de035c3c 821 LPC_SSP1->DMACR = 0x2;
dreschpe 9:a63fd1ad41b0 822 #endif
dreschpe 8:65a4de035c3c 823 LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit
dreschpe 8:65a4de035c3c 824 LPC_SSP1->DR = 0x72; // start Data
dreschpe 8:65a4de035c3c 825 LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit
dreschpe 8:65a4de035c3c 826 }
dreschpe 9:a63fd1ad41b0 827 #if defined USE_DMA
dreschpe 8:65a4de035c3c 828 do {
dreschpe 8:65a4de035c3c 829 if (pixel > 4095) {
dreschpe 8:65a4de035c3c 830 dma_count = 4095;
dreschpe 8:65a4de035c3c 831 pixel = pixel - 4095;
dreschpe 8:65a4de035c3c 832 } else {
dreschpe 8:65a4de035c3c 833 dma_count = pixel;
dreschpe 8:65a4de035c3c 834 pixel = 0;
dreschpe 8:65a4de035c3c 835 }
dreschpe 8:65a4de035c3c 836 LPC_GPDMA->DMACIntTCClear = 0x1;
dreschpe 8:65a4de035c3c 837 LPC_GPDMA->DMACIntErrClr = 0x1;
dreschpe 8:65a4de035c3c 838 LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)&color;
dreschpe 8:65a4de035c3c 839 LPC_GPDMACH0->DMACCControl = dma_count | (1UL << 18) | (1UL << 21) | (1UL << 31) ; // 16 bit transfer , no address increment, interrupt
dreschpe 8:65a4de035c3c 840 LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX);
dreschpe 8:65a4de035c3c 841 LPC_GPDMA->DMACSoftSReq = 0x1;
dreschpe 8:65a4de035c3c 842 do {
dreschpe 8:65a4de035c3c 843 } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
dreschpe 8:65a4de035c3c 844
dreschpe 8:65a4de035c3c 845 } while (pixel > 0);
dreschpe 8:65a4de035c3c 846
dreschpe 8:65a4de035c3c 847 if (spi_port == 0) { // TFT on SSP0
dreschpe 8:65a4de035c3c 848 do {
dreschpe 8:65a4de035c3c 849 } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI FIFO not empty
dreschpe 8:65a4de035c3c 850 } else {
dreschpe 8:65a4de035c3c 851 do {
dreschpe 8:65a4de035c3c 852 } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI FIFO not empty
dreschpe 8:65a4de035c3c 853 }
dreschpe 13:2c91cb947161 854
dreschpe 9:a63fd1ad41b0 855 #else // no DMA
dreschpe 8:65a4de035c3c 856 for (int p=0; p<pixel; p++) {
dreschpe 8:65a4de035c3c 857 _spi.write(color);
dreschpe 8:65a4de035c3c 858 }
dreschpe 9:a63fd1ad41b0 859 #endif
dreschpe 13:2c91cb947161 860
dreschpe 9:a63fd1ad41b0 861 #else // use mbed lib
dreschpe 13:2c91cb947161 862 #if defined TARGET_KL25Z // 8 Bit SPI
dreschpe 13:2c91cb947161 863 _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
dreschpe 13:2c91cb947161 864 for (int p=0; p<pixel; p++) {
dreschpe 13:2c91cb947161 865 _spi.write(color >> 8);
dreschpe 13:2c91cb947161 866 _spi.write(color & 0xff);
dreschpe 13:2c91cb947161 867 }
dreschpe 13:2c91cb947161 868
dreschpe 13:2c91cb947161 869 #else // 16 bit SPI
dreschpe 9:a63fd1ad41b0 870 _spi.format(8,3); // 8 bit Mode 3
dreschpe 9:a63fd1ad41b0 871 _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
dreschpe 9:a63fd1ad41b0 872 _spi.format(16,3); // switch to 16 bit Mode 3
dreschpe 9:a63fd1ad41b0 873 for (int p=0; p<pixel; p++) {
dreschpe 9:a63fd1ad41b0 874 _spi.write(color);
dreschpe 9:a63fd1ad41b0 875 }
dreschpe 13:2c91cb947161 876 #endif
dreschpe 13:2c91cb947161 877 #endif
dreschpe 8:65a4de035c3c 878 _cs = 1;
dreschpe 8:65a4de035c3c 879 WindowMax();
dreschpe 8:65a4de035c3c 880 return;
dreschpe 8:65a4de035c3c 881 }
dreschpe 8:65a4de035c3c 882
dreschpe 13:2c91cb947161 883 // set cursor position
dreschpe 8:65a4de035c3c 884 void SPI_TFT::locate(int x, int y)
dreschpe 8:65a4de035c3c 885 {
dreschpe 8:65a4de035c3c 886 char_x = x;
dreschpe 8:65a4de035c3c 887 char_y = y;
dreschpe 8:65a4de035c3c 888 }
dreschpe 8:65a4de035c3c 889
dreschpe 8:65a4de035c3c 890
dreschpe 13:2c91cb947161 891 // calculate num of chars in a row
dreschpe 8:65a4de035c3c 892 int SPI_TFT::columns()
dreschpe 8:65a4de035c3c 893 {
dreschpe 8:65a4de035c3c 894 return width() / font[1];
dreschpe 8:65a4de035c3c 895 }
dreschpe 8:65a4de035c3c 896
dreschpe 13:2c91cb947161 897 // calculate num of rows on the screen
dreschpe 8:65a4de035c3c 898 int SPI_TFT::rows()
dreschpe 8:65a4de035c3c 899 {
dreschpe 8:65a4de035c3c 900 return height() / font[2];
dreschpe 8:65a4de035c3c 901 }
dreschpe 8:65a4de035c3c 902
dreschpe 13:2c91cb947161 903 // print a char on the screen
dreschpe 8:65a4de035c3c 904 int SPI_TFT::_putc(int value)
dreschpe 8:65a4de035c3c 905 {
dreschpe 8:65a4de035c3c 906 if (value == '\n') { // new line
dreschpe 8:65a4de035c3c 907 char_x = 0;
dreschpe 8:65a4de035c3c 908 char_y = char_y + font[2];
dreschpe 8:65a4de035c3c 909 if (char_y >= height() - font[2]) {
dreschpe 8:65a4de035c3c 910 char_y = 0;
dreschpe 8:65a4de035c3c 911 }
dreschpe 8:65a4de035c3c 912 } else {
dreschpe 8:65a4de035c3c 913 character(char_x, char_y, value);
dreschpe 8:65a4de035c3c 914 }
dreschpe 8:65a4de035c3c 915 return value;
dreschpe 8:65a4de035c3c 916 }
dreschpe 8:65a4de035c3c 917
dreschpe 13:2c91cb947161 918 // consrtuct the char out of the font
dreschpe 8:65a4de035c3c 919 void SPI_TFT::character(int x, int y, int c)
dreschpe 8:65a4de035c3c 920 {
dreschpe 9:a63fd1ad41b0 921 unsigned int hor,vert,offset,bpl,j,i,b;
dreschpe 8:65a4de035c3c 922 unsigned char* zeichen;
dreschpe 8:65a4de035c3c 923 unsigned char z,w;
dreschpe 13:2c91cb947161 924 #if defined USE_DMA
dreschpe 8:65a4de035c3c 925 unsigned int pixel;
dreschpe 9:a63fd1ad41b0 926 unsigned int p;
dreschpe 8:65a4de035c3c 927 unsigned int dma_count,dma_off;
dreschpe 8:65a4de035c3c 928 uint16_t *buffer;
dreschpe 13:2c91cb947161 929 #endif
dreschpe 8:65a4de035c3c 930
dreschpe 8:65a4de035c3c 931 if ((c < 31) || (c > 127)) return; // test char range
dreschpe 8:65a4de035c3c 932
dreschpe 8:65a4de035c3c 933 // read font parameter from start of array
dreschpe 8:65a4de035c3c 934 offset = font[0]; // bytes / char
dreschpe 8:65a4de035c3c 935 hor = font[1]; // get hor size of font
dreschpe 8:65a4de035c3c 936 vert = font[2]; // get vert size of font
dreschpe 8:65a4de035c3c 937 bpl = font[3]; // bytes per line
dreschpe 8:65a4de035c3c 938
dreschpe 8:65a4de035c3c 939 if (char_x + hor > width()) {
dreschpe 8:65a4de035c3c 940 char_x = 0;
dreschpe 8:65a4de035c3c 941 char_y = char_y + vert;
dreschpe 8:65a4de035c3c 942 if (char_y >= height() - font[2]) {
dreschpe 8:65a4de035c3c 943 char_y = 0;
dreschpe 8:65a4de035c3c 944 }
dreschpe 8:65a4de035c3c 945 }
dreschpe 8:65a4de035c3c 946 window(char_x, char_y,hor,vert); // char box
dreschpe 8:65a4de035c3c 947 wr_cmd(0x22);
dreschpe 8:65a4de035c3c 948
dreschpe 8:65a4de035c3c 949 #if defined USE_DMA
dreschpe 8:65a4de035c3c 950 pixel = hor * vert; // calculate buffer size
dreschpe 8:65a4de035c3c 951
dreschpe 8:65a4de035c3c 952 buffer = (uint16_t *) malloc (2*pixel); // we need a buffer for the 16 bit
dreschpe 8:65a4de035c3c 953 if (buffer == NULL) {
dreschpe 8:65a4de035c3c 954 //led = 1;
dreschpe 8:65a4de035c3c 955 //pc.printf("Malloc error !\n\r");
dreschpe 8:65a4de035c3c 956 return; // error no memory
dreschpe 8:65a4de035c3c 957 }
dreschpe 8:65a4de035c3c 958
dreschpe 8:65a4de035c3c 959 zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap
dreschpe 8:65a4de035c3c 960 w = zeichen[0]; // width of actual char
dreschpe 8:65a4de035c3c 961 p = 0;
dreschpe 8:65a4de035c3c 962 // construct the char into the buffer
dreschpe 8:65a4de035c3c 963 for (j=0; j<vert; j++) { // vert line
dreschpe 8:65a4de035c3c 964 for (i=0; i<hor; i++) { // horz line
dreschpe 8:65a4de035c3c 965 z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1];
dreschpe 8:65a4de035c3c 966 b = 1 << (j & 0x07);
dreschpe 8:65a4de035c3c 967 if (( z & b ) == 0x00) {
dreschpe 8:65a4de035c3c 968 buffer[p] = _background;
dreschpe 8:65a4de035c3c 969 } else {
dreschpe 8:65a4de035c3c 970 buffer[p] = _foreground;
dreschpe 8:65a4de035c3c 971 }
dreschpe 8:65a4de035c3c 972 p++;
dreschpe 8:65a4de035c3c 973 }
dreschpe 8:65a4de035c3c 974 }
dreschpe 8:65a4de035c3c 975
dreschpe 8:65a4de035c3c 976 // copy the buffer with DMA SPI to display
dreschpe 8:65a4de035c3c 977 dma_off = 0; // offset for DMA transfer
dreschpe 8:65a4de035c3c 978 _cs = 0;
dreschpe 8:65a4de035c3c 979 if (spi_port == 0) { // TFT on SSP0
dreschpe 8:65a4de035c3c 980 LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0
dreschpe 8:65a4de035c3c 981 /* Enable SSP0 for DMA. */
dreschpe 8:65a4de035c3c 982 LPC_SSP0->DMACR = 0x2;
dreschpe 8:65a4de035c3c 983 LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit
dreschpe 8:65a4de035c3c 984 LPC_SSP0->DR = 0x72; // start Data
dreschpe 8:65a4de035c3c 985 LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit
dreschpe 8:65a4de035c3c 986 } else {
dreschpe 8:65a4de035c3c 987 LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1
dreschpe 8:65a4de035c3c 988 /* Enable SSP1 for DMA. */
dreschpe 8:65a4de035c3c 989 LPC_SSP1->DMACR = 0x2;
dreschpe 8:65a4de035c3c 990 LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit
dreschpe 8:65a4de035c3c 991 LPC_SSP1->DR = 0x72; // start Data
dreschpe 8:65a4de035c3c 992 LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit
dreschpe 8:65a4de035c3c 993 }
dreschpe 8:65a4de035c3c 994
dreschpe 8:65a4de035c3c 995 // start DMA
dreschpe 8:65a4de035c3c 996 do {
dreschpe 8:65a4de035c3c 997 if (pixel > 4095) { // this is a giant font !
dreschpe 8:65a4de035c3c 998 dma_count = 4095;
dreschpe 8:65a4de035c3c 999 pixel = pixel - 4095;
dreschpe 8:65a4de035c3c 1000 } else {
dreschpe 8:65a4de035c3c 1001 dma_count = pixel;
dreschpe 8:65a4de035c3c 1002 pixel = 0;
dreschpe 8:65a4de035c3c 1003 }
dreschpe 8:65a4de035c3c 1004 LPC_GPDMA->DMACIntTCClear = 0x1;
dreschpe 8:65a4de035c3c 1005 LPC_GPDMA->DMACIntErrClr = 0x1;
dreschpe 8:65a4de035c3c 1006 LPC_GPDMACH0->DMACCSrcAddr = (uint32_t) (buffer + dma_off);
dreschpe 8:65a4de035c3c 1007 LPC_GPDMACH0->DMACCControl = dma_count | (1UL << 18) | (1UL << 21) | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 16 bit transfer , address increment, interrupt
dreschpe 8:65a4de035c3c 1008 LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX);
dreschpe 8:65a4de035c3c 1009 LPC_GPDMA->DMACSoftSReq = 0x1;
dreschpe 8:65a4de035c3c 1010 do {
dreschpe 8:65a4de035c3c 1011 } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
dreschpe 8:65a4de035c3c 1012 dma_off = dma_off + dma_count;
dreschpe 8:65a4de035c3c 1013 } while (pixel > 0);
dreschpe 8:65a4de035c3c 1014
dreschpe 8:65a4de035c3c 1015 free ((uint16_t *) buffer);
dreschpe 8:65a4de035c3c 1016
dreschpe 8:65a4de035c3c 1017 if (spi_port == 0) { // TFT on SSP0
dreschpe 8:65a4de035c3c 1018 do {
dreschpe 8:65a4de035c3c 1019 } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI0 not idle
dreschpe 8:65a4de035c3c 1020 /* disable SSP0 for DMA. */
dreschpe 8:65a4de035c3c 1021 LPC_SSP0->DMACR = 0x0;
dreschpe 8:65a4de035c3c 1022 } else {
dreschpe 8:65a4de035c3c 1023 do {
dreschpe 8:65a4de035c3c 1024 } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle
dreschpe 8:65a4de035c3c 1025 /* disable SSP1 for DMA. */
dreschpe 8:65a4de035c3c 1026 LPC_SSP1->DMACR = 0x0;
dreschpe 8:65a4de035c3c 1027 }
dreschpe 13:2c91cb947161 1028
dreschpe 9:a63fd1ad41b0 1029 #else // no dma
dreschpe 8:65a4de035c3c 1030 _cs = 0;
dreschpe 13:2c91cb947161 1031 #if defined NO_MBED_LIB
dreschpe 8:65a4de035c3c 1032 if (spi_port == 0) { // TFT on SSP0
dreschpe 8:65a4de035c3c 1033 LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit
dreschpe 8:65a4de035c3c 1034 LPC_SSP0->DR = 0x72; // start Data
dreschpe 8:65a4de035c3c 1035 LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit
dreschpe 8:65a4de035c3c 1036 } else {
dreschpe 8:65a4de035c3c 1037 LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit
dreschpe 8:65a4de035c3c 1038 LPC_SSP1->DR = 0x72; // start Data
dreschpe 8:65a4de035c3c 1039 LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit
dreschpe 8:65a4de035c3c 1040 }
dreschpe 9:a63fd1ad41b0 1041 #else // mbed lib
dreschpe 13:2c91cb947161 1042 #if defined TARGET_KL25Z // 8 Bit SPI
dreschpe 13:2c91cb947161 1043 _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
dreschpe 13:2c91cb947161 1044 #else // 16 bit SPI
dreschpe 9:a63fd1ad41b0 1045 _spi.format(8,3); // 8 bit Mode 3
dreschpe 9:a63fd1ad41b0 1046 _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
dreschpe 13:2c91cb947161 1047 _spi.format(16,3); // switch back to 16 bit Mode 3
dreschpe 13:2c91cb947161 1048 #endif
dreschpe 13:2c91cb947161 1049 #endif
dreschpe 13:2c91cb947161 1050 zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap
dreschpe 13:2c91cb947161 1051 w = zeichen[0]; // width of actual char
dreschpe 13:2c91cb947161 1052 for (j=0; j<vert; j++) { // vert line
dreschpe 8:65a4de035c3c 1053 for (i=0; i<hor; i++) { // horz line
dreschpe 8:65a4de035c3c 1054 z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1];
dreschpe 8:65a4de035c3c 1055 b = 1 << (j & 0x07);
dreschpe 8:65a4de035c3c 1056 if (( z & b ) == 0x00) {
dreschpe 13:2c91cb947161 1057 #if defined TARGET_KL25Z // 8 Bit SPI
dreschpe 13:2c91cb947161 1058 _spi.write(_background >> 8);
dreschpe 13:2c91cb947161 1059 _spi.write(_background & 0xff);
dreschpe 13:2c91cb947161 1060 #else
dreschpe 8:65a4de035c3c 1061 _spi.write(_background);
dreschpe 13:2c91cb947161 1062 #endif
dreschpe 8:65a4de035c3c 1063 } else {
dreschpe 13:2c91cb947161 1064 #if defined TARGET_KL25Z // 8 Bit SPI
dreschpe 13:2c91cb947161 1065 _spi.write(_foreground >> 8);
dreschpe 13:2c91cb947161 1066 _spi.write(_foreground & 0xff);
dreschpe 13:2c91cb947161 1067 #else
dreschpe 8:65a4de035c3c 1068 _spi.write(_foreground);
dreschpe 13:2c91cb947161 1069 #endif
dreschpe 8:65a4de035c3c 1070 }
dreschpe 8:65a4de035c3c 1071 }
dreschpe 8:65a4de035c3c 1072 }
dreschpe 9:a63fd1ad41b0 1073 #endif // no DMA
dreschpe 8:65a4de035c3c 1074 _cs = 1;
dreschpe 8:65a4de035c3c 1075 WindowMax();
dreschpe 8:65a4de035c3c 1076 if ((w + 2) < hor) { // x offset to next char
dreschpe 8:65a4de035c3c 1077 char_x += w + 2;
dreschpe 8:65a4de035c3c 1078 } else char_x += hor;
dreschpe 8:65a4de035c3c 1079 }
dreschpe 8:65a4de035c3c 1080
dreschpe 8:65a4de035c3c 1081
dreschpe 8:65a4de035c3c 1082 void SPI_TFT::set_font(unsigned char* f)
dreschpe 8:65a4de035c3c 1083 {
dreschpe 8:65a4de035c3c 1084 font = f;
dreschpe 8:65a4de035c3c 1085 }
dreschpe 8:65a4de035c3c 1086
dreschpe 8:65a4de035c3c 1087
dreschpe 8:65a4de035c3c 1088
dreschpe 8:65a4de035c3c 1089 void SPI_TFT::Bitmap(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *bitmap)
dreschpe 8:65a4de035c3c 1090 {
dreschpe 8:65a4de035c3c 1091 unsigned int j;
dreschpe 8:65a4de035c3c 1092 int padd;
dreschpe 13:2c91cb947161 1093 #if defined TARGET_KL25Z // 8 Bit SPI
dreschpe 13:2c91cb947161 1094 unsigned char *bitmap_ptr = (unsigned char *)bitmap;
dreschpe 13:2c91cb947161 1095 #else
dreschpe 8:65a4de035c3c 1096 unsigned short *bitmap_ptr = (unsigned short *)bitmap;
dreschpe 13:2c91cb947161 1097 #endif
dreschpe 8:65a4de035c3c 1098 // the lines are padded to multiple of 4 bytes in a bitmap
dreschpe 8:65a4de035c3c 1099 padd = -1;
dreschpe 8:65a4de035c3c 1100 do {
dreschpe 8:65a4de035c3c 1101 padd ++;
dreschpe 8:65a4de035c3c 1102 } while (2*(w + padd)%4 != 0);
dreschpe 8:65a4de035c3c 1103 window(x, y, w, h);
dreschpe 8:65a4de035c3c 1104 wr_cmd(0x22);
dreschpe 8:65a4de035c3c 1105 _cs = 0;
dreschpe 13:2c91cb947161 1106 #if defined NO_MBED_LIB
dreschpe 8:65a4de035c3c 1107 if (spi_port == 0) { // TFT on SSP0
dreschpe 13:2c91cb947161 1108 #if defined USE_DMA
dreschpe 8:65a4de035c3c 1109 LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0
dreschpe 8:65a4de035c3c 1110 /* Enable SSP0 for DMA. */
dreschpe 8:65a4de035c3c 1111 LPC_SSP0->DMACR = 0x2;
dreschpe 13:2c91cb947161 1112 #endif
dreschpe 8:65a4de035c3c 1113 LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit
dreschpe 8:65a4de035c3c 1114 LPC_SSP0->DR = 0x72; // start Data
dreschpe 8:65a4de035c3c 1115 LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit
dreschpe 8:65a4de035c3c 1116
dreschpe 8:65a4de035c3c 1117 } else {
dreschpe 13:2c91cb947161 1118 #if defined USE_DMA
dreschpe 8:65a4de035c3c 1119 LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1
dreschpe 8:65a4de035c3c 1120 /* Enable SSP1 for DMA. */
dreschpe 13:2c91cb947161 1121 LPC_SSP1->DMACR = 0x2;
dreschpe 13:2c91cb947161 1122 #endif
dreschpe 8:65a4de035c3c 1123 LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit
dreschpe 8:65a4de035c3c 1124 LPC_SSP1->DR = 0x72; // start Data command
dreschpe 8:65a4de035c3c 1125 LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit
dreschpe 8:65a4de035c3c 1126 }
dreschpe 8:65a4de035c3c 1127
dreschpe 8:65a4de035c3c 1128 bitmap_ptr += ((h - 1)* (w + padd));
dreschpe 13:2c91cb947161 1129 #if defined USE_DMA
dreschpe 8:65a4de035c3c 1130 for (j = 0; j < h; j++) { //Lines
dreschpe 8:65a4de035c3c 1131 LPC_GPDMA->DMACIntTCClear = 0x1;
dreschpe 8:65a4de035c3c 1132 LPC_GPDMA->DMACIntErrClr = 0x1;
dreschpe 8:65a4de035c3c 1133 LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)bitmap_ptr;
dreschpe 8:65a4de035c3c 1134 LPC_GPDMACH0->DMACCControl = w | (1UL << 18) | (1UL << 21) | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 16 bit transfer , address increment, interrupt
dreschpe 8:65a4de035c3c 1135 LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX);
dreschpe 8:65a4de035c3c 1136 LPC_GPDMA->DMACSoftSReq = 0x1;
dreschpe 8:65a4de035c3c 1137 do {
dreschpe 8:65a4de035c3c 1138 } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
dreschpe 8:65a4de035c3c 1139
dreschpe 8:65a4de035c3c 1140 bitmap_ptr -= w;
dreschpe 8:65a4de035c3c 1141 bitmap_ptr -= padd;
dreschpe 8:65a4de035c3c 1142 }
dreschpe 8:65a4de035c3c 1143 #else
dreschpe 8:65a4de035c3c 1144 unsigned int i;
dreschpe 8:65a4de035c3c 1145 for (j = 0; j < h; j++) { //Lines
dreschpe 8:65a4de035c3c 1146 for (i = 0; i < w; i++) { // copy pixel data to TFT
dreschpe 8:65a4de035c3c 1147 _spi.write(*bitmap_ptr); // one line
dreschpe 8:65a4de035c3c 1148 bitmap_ptr++;
dreschpe 8:65a4de035c3c 1149 }
dreschpe 8:65a4de035c3c 1150 bitmap_ptr -= 2*w;
dreschpe 8:65a4de035c3c 1151 bitmap_ptr -= padd;
dreschpe 13:2c91cb947161 1152 }
dreschpe 13:2c91cb947161 1153 #endif
dreschpe 8:65a4de035c3c 1154 if (spi_port == 0) { // TFT on SSP0
dreschpe 8:65a4de035c3c 1155 do {
dreschpe 8:65a4de035c3c 1156 } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI FIFO not empty
dreschpe 8:65a4de035c3c 1157 } else {
dreschpe 8:65a4de035c3c 1158 do {
dreschpe 8:65a4de035c3c 1159 } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI FIFO not empty
dreschpe 8:65a4de035c3c 1160 }
dreschpe 9:a63fd1ad41b0 1161 #else // use mbed lib
dreschpe 13:2c91cb947161 1162 #if defined TARGET_KL25Z // 8 Bit SPI
dreschpe 13:2c91cb947161 1163 _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
dreschpe 13:2c91cb947161 1164 #else
dreschpe 9:a63fd1ad41b0 1165 _spi.format(8,3); // 8 bit Mode 3
dreschpe 9:a63fd1ad41b0 1166 _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
dreschpe 9:a63fd1ad41b0 1167 _spi.format(16,3); // switch to 16 bit Mode 3
dreschpe 13:2c91cb947161 1168 #endif
dreschpe 9:a63fd1ad41b0 1169 unsigned int i;
dreschpe 9:a63fd1ad41b0 1170 for (j = 0; j < h; j++) { //Lines
dreschpe 9:a63fd1ad41b0 1171 for (i = 0; i < w; i++) { // copy pixel data to TFT
dreschpe 13:2c91cb947161 1172 #if defined TARGET_KL25Z // 8 Bit SPI
dreschpe 13:2c91cb947161 1173 _spi.write(*bitmap_ptr);
dreschpe 13:2c91cb947161 1174 bitmap_ptr++;
dreschpe 13:2c91cb947161 1175 _spi.write(*bitmap_ptr);
dreschpe 13:2c91cb947161 1176 bitmap_ptr++;
dreschpe 13:2c91cb947161 1177 #else
dreschpe 9:a63fd1ad41b0 1178 _spi.write(*bitmap_ptr); // one line
dreschpe 9:a63fd1ad41b0 1179 bitmap_ptr++;
dreschpe 13:2c91cb947161 1180 #endif
dreschpe 9:a63fd1ad41b0 1181 }
dreschpe 9:a63fd1ad41b0 1182 bitmap_ptr -= 2*w;
dreschpe 9:a63fd1ad41b0 1183 bitmap_ptr -= padd;
dreschpe 9:a63fd1ad41b0 1184 }
dreschpe 13:2c91cb947161 1185 #endif
dreschpe 8:65a4de035c3c 1186 _cs = 1;
dreschpe 8:65a4de035c3c 1187 WindowMax();
dreschpe 8:65a4de035c3c 1188 }
dreschpe 8:65a4de035c3c 1189
dreschpe 8:65a4de035c3c 1190
dreschpe 13:2c91cb947161 1191 // local filesystem is not implemented in kinetis board
dreschpe 13:2c91cb947161 1192 #if defined TARGET_LPC1768 || defined TARGET_LPC11U24
dreschpe 13:2c91cb947161 1193
dreschpe 13:2c91cb947161 1194
dreschpe 8:65a4de035c3c 1195 int SPI_TFT::BMP_16(unsigned int x, unsigned int y, const char *Name_BMP)
dreschpe 8:65a4de035c3c 1196 {
dreschpe 8:65a4de035c3c 1197
dreschpe 8:65a4de035c3c 1198 #define OffsetPixelWidth 18
dreschpe 8:65a4de035c3c 1199 #define OffsetPixelHeigh 22
dreschpe 8:65a4de035c3c 1200 #define OffsetFileSize 34
dreschpe 8:65a4de035c3c 1201 #define OffsetPixData 10
dreschpe 8:65a4de035c3c 1202 #define OffsetBPP 28
dreschpe 8:65a4de035c3c 1203
dreschpe 8:65a4de035c3c 1204 char filename[50];
dreschpe 8:65a4de035c3c 1205 unsigned char BMP_Header[54];
dreschpe 8:65a4de035c3c 1206 unsigned short BPP_t;
dreschpe 8:65a4de035c3c 1207 unsigned int PixelWidth,PixelHeigh,start_data;
dreschpe 8:65a4de035c3c 1208 unsigned int i,off;
dreschpe 8:65a4de035c3c 1209 int padd,j;
dreschpe 8:65a4de035c3c 1210 unsigned short *line;
dreschpe 8:65a4de035c3c 1211
dreschpe 8:65a4de035c3c 1212 // get the filename
dreschpe 8:65a4de035c3c 1213 LocalFileSystem local("local");
dreschpe 8:65a4de035c3c 1214 sprintf(&filename[0],"/local/");
dreschpe 8:65a4de035c3c 1215 i=7;
dreschpe 8:65a4de035c3c 1216 while (*Name_BMP!='\0') {
dreschpe 8:65a4de035c3c 1217 filename[i++]=*Name_BMP++;
dreschpe 8:65a4de035c3c 1218 }
dreschpe 8:65a4de035c3c 1219
dreschpe 8:65a4de035c3c 1220 fprintf(stderr, "filename : %s \n\r",filename);
dreschpe 8:65a4de035c3c 1221
dreschpe 8:65a4de035c3c 1222 FILE *Image = fopen((const char *)&filename[0], "rb"); // open the bmp file
dreschpe 8:65a4de035c3c 1223 if (!Image) {
dreschpe 8:65a4de035c3c 1224 return(0); // error file not found !
dreschpe 8:65a4de035c3c 1225 }
dreschpe 8:65a4de035c3c 1226
dreschpe 8:65a4de035c3c 1227 fread(&BMP_Header[0],1,54,Image); // get the BMP Header
dreschpe 8:65a4de035c3c 1228
dreschpe 8:65a4de035c3c 1229 if (BMP_Header[0] != 0x42 || BMP_Header[1] != 0x4D) { // check magic byte
dreschpe 8:65a4de035c3c 1230 fclose(Image);
dreschpe 8:65a4de035c3c 1231 return(-1); // error no BMP file
dreschpe 8:65a4de035c3c 1232 }
dreschpe 8:65a4de035c3c 1233
dreschpe 8:65a4de035c3c 1234 BPP_t = BMP_Header[OffsetBPP] + (BMP_Header[OffsetBPP + 1] << 8);
dreschpe 8:65a4de035c3c 1235 if (BPP_t != 0x0010) {
dreschpe 8:65a4de035c3c 1236 fclose(Image);
dreschpe 8:65a4de035c3c 1237 return(-2); // error no 16 bit BMP
dreschpe 8:65a4de035c3c 1238 }
dreschpe 8:65a4de035c3c 1239
dreschpe 8:65a4de035c3c 1240 PixelHeigh = BMP_Header[OffsetPixelHeigh] + (BMP_Header[OffsetPixelHeigh + 1] << 8) + (BMP_Header[OffsetPixelHeigh + 2] << 16) + (BMP_Header[OffsetPixelHeigh + 3] << 24);
dreschpe 8:65a4de035c3c 1241 PixelWidth = BMP_Header[OffsetPixelWidth] + (BMP_Header[OffsetPixelWidth + 1] << 8) + (BMP_Header[OffsetPixelWidth + 2] << 16) + (BMP_Header[OffsetPixelWidth + 3] << 24);
dreschpe 8:65a4de035c3c 1242 if (PixelHeigh > height() + y || PixelWidth > width() + x) {
dreschpe 8:65a4de035c3c 1243 fclose(Image);
dreschpe 8:65a4de035c3c 1244 return(-3); // to big
dreschpe 8:65a4de035c3c 1245 }
dreschpe 8:65a4de035c3c 1246
dreschpe 8:65a4de035c3c 1247 start_data = BMP_Header[OffsetPixData] + (BMP_Header[OffsetPixData + 1] << 8) + (BMP_Header[OffsetPixData + 2] << 16) + (BMP_Header[OffsetPixData + 3] << 24);
dreschpe 8:65a4de035c3c 1248
dreschpe 8:65a4de035c3c 1249 line = (unsigned short *) malloc (2 * PixelWidth); // we need a buffer for a line
dreschpe 8:65a4de035c3c 1250 if (line == NULL) {
dreschpe 8:65a4de035c3c 1251 return(-4); // error no memory
dreschpe 8:65a4de035c3c 1252 }
dreschpe 8:65a4de035c3c 1253
dreschpe 8:65a4de035c3c 1254 // the bmp lines are padded to multiple of 4 bytes
dreschpe 8:65a4de035c3c 1255 padd = -1;
dreschpe 8:65a4de035c3c 1256 do {
dreschpe 8:65a4de035c3c 1257 padd ++;
dreschpe 8:65a4de035c3c 1258 } while ((PixelWidth * 2 + padd)%4 != 0);
dreschpe 8:65a4de035c3c 1259
dreschpe 8:65a4de035c3c 1260
dreschpe 8:65a4de035c3c 1261 //fseek(Image, 70 ,SEEK_SET);
dreschpe 8:65a4de035c3c 1262 window(x, y,PixelWidth ,PixelHeigh);
dreschpe 8:65a4de035c3c 1263 wr_cmd(0x22);
dreschpe 8:65a4de035c3c 1264 _cs = 0;
dreschpe 13:2c91cb947161 1265 #if defined NO_MBED_LIB
dreschpe 8:65a4de035c3c 1266 if (spi_port == 0) { // TFT on SSP0
dreschpe 8:65a4de035c3c 1267 #if defined USE_DMA
dreschpe 8:65a4de035c3c 1268 LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0
dreschpe 8:65a4de035c3c 1269 /* Enable SSP0 for DMA. */
dreschpe 8:65a4de035c3c 1270 LPC_SSP0->DMACR = 0x2;
dreschpe 8:65a4de035c3c 1271 #endif
dreschpe 8:65a4de035c3c 1272 LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit
dreschpe 8:65a4de035c3c 1273 LPC_SSP0->DR = 0x72; // start Data
dreschpe 8:65a4de035c3c 1274 LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit
dreschpe 8:65a4de035c3c 1275
dreschpe 8:65a4de035c3c 1276 } else {
dreschpe 13:2c91cb947161 1277 #if defined USE_DMA
dreschpe 8:65a4de035c3c 1278 LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1
dreschpe 8:65a4de035c3c 1279 /* Enable SSP1 for DMA. */
dreschpe 8:65a4de035c3c 1280 LPC_SSP1->DMACR = 0x2;
dreschpe 8:65a4de035c3c 1281 #endif
dreschpe 8:65a4de035c3c 1282 LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit
dreschpe 8:65a4de035c3c 1283 LPC_SSP1->DR = 0x72; // start Data
dreschpe 13:2c91cb947161 1284 LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit
dreschpe 8:65a4de035c3c 1285 }
dreschpe 8:65a4de035c3c 1286 for (j = PixelHeigh - 1; j >= 0; j--) { //Lines bottom up
dreschpe 8:65a4de035c3c 1287 off = j * (PixelWidth * 2 + padd) + start_data; // start of line
dreschpe 8:65a4de035c3c 1288 fseek(Image, off ,SEEK_SET);
dreschpe 8:65a4de035c3c 1289 fread(line,1,PixelWidth * 2,Image); // read a line - slow !
dreschpe 8:65a4de035c3c 1290 #if defined USE_DMA
dreschpe 8:65a4de035c3c 1291 LPC_GPDMA->DMACIntTCClear = 0x1;
dreschpe 8:65a4de035c3c 1292 LPC_GPDMA->DMACIntErrClr = 0x1;
dreschpe 8:65a4de035c3c 1293 LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)line;
dreschpe 8:65a4de035c3c 1294 LPC_GPDMACH0->DMACCControl = PixelWidth | (1UL << 18) | (1UL << 21) | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 16 bit transfer , address increment, interrupt
dreschpe 8:65a4de035c3c 1295 LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX);
dreschpe 8:65a4de035c3c 1296 LPC_GPDMA->DMACSoftSReq = 0x1;
dreschpe 8:65a4de035c3c 1297 do {
dreschpe 8:65a4de035c3c 1298 } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
dreschpe 8:65a4de035c3c 1299 #else
dreschpe 13:2c91cb947161 1300 for (i = 0; i < PixelWidth; i++) { // copy pixel data to TFT
dreschpe 8:65a4de035c3c 1301 _spi.write(line[i]); // one 16 bit pixel
dreschpe 13:2c91cb947161 1302 }
dreschpe 13:2c91cb947161 1303 #endif
dreschpe 8:65a4de035c3c 1304 }
dreschpe 8:65a4de035c3c 1305 if (spi_port == 0) { // TFT on SSP0
dreschpe 8:65a4de035c3c 1306 do {
dreschpe 8:65a4de035c3c 1307 } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI FIFO not empty
dreschpe 8:65a4de035c3c 1308 } else {
dreschpe 8:65a4de035c3c 1309 do {
dreschpe 8:65a4de035c3c 1310 } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI FIFO not empty
dreschpe 8:65a4de035c3c 1311 }
dreschpe 13:2c91cb947161 1312
dreschpe 9:a63fd1ad41b0 1313 #else // use mbed lib
dreschpe 9:a63fd1ad41b0 1314 _spi.format(8,3); // 8 bit Mode 3
dreschpe 9:a63fd1ad41b0 1315 _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
dreschpe 9:a63fd1ad41b0 1316 _spi.format(16,3); // switch to 16 bit Mode 3
dreschpe 9:a63fd1ad41b0 1317 for (j = PixelHeigh - 1; j >= 0; j--) { //Lines bottom up
dreschpe 9:a63fd1ad41b0 1318 off = j * (PixelWidth * 2 + padd) + start_data; // start of line
dreschpe 9:a63fd1ad41b0 1319 fseek(Image, off ,SEEK_SET);
dreschpe 9:a63fd1ad41b0 1320 fread(line,1,PixelWidth * 2,Image); // read a line - slow !
dreschpe 9:a63fd1ad41b0 1321 for (i = 0; i < PixelWidth; i++) { // copy pixel data to TFT
dreschpe 9:a63fd1ad41b0 1322 _spi.write(line[i]); // one 16 bit pixel
dreschpe 13:2c91cb947161 1323 }
dreschpe 13:2c91cb947161 1324 }
dreschpe 13:2c91cb947161 1325 #endif
dreschpe 8:65a4de035c3c 1326 _cs = 1;
dreschpe 8:65a4de035c3c 1327 free (line);
dreschpe 8:65a4de035c3c 1328 fclose(Image);
dreschpe 8:65a4de035c3c 1329 WindowMax();
dreschpe 8:65a4de035c3c 1330 return(1);
dreschpe 13:2c91cb947161 1331 }
dreschpe 13:2c91cb947161 1332
dreschpe 13:2c91cb947161 1333 #endif