Peter Drescher / Mbed 2 deprecated TFT_Test1

test for the SPI_TFT Lib

Dependencies:   SPI_TFT TFT_fonts mbed

Fork of TFT by Peter Drescher

SPI_TFT/SPI_TFT.cpp@0:f5b62bef3680, 2012-03-13 (annotated)

Committer:
dreschpe
Date:
Tue Mar 13 19:50:20 2012 +0000
Revision:
0:f5b62bef3680
Child:
1:b295f3228ea2
code with mbed spi

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dreschpe 0:f5b62bef3680 1 /* mbed library for 240*320 pixel display TFT based on HX8347D LCD Controller
dreschpe 0:f5b62bef3680 2 * Copyright (c) 2011 Peter Drescher - DC2PD
dreschpe 0:f5b62bef3680 3 *
dreschpe 0:f5b62bef3680 4 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
dreschpe 0:f5b62bef3680 5 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
dreschpe 0:f5b62bef3680 6 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
dreschpe 0:f5b62bef3680 7 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
dreschpe 0:f5b62bef3680 8 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
dreschpe 0:f5b62bef3680 9 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
dreschpe 0:f5b62bef3680 10 * THE SOFTWARE.
dreschpe 0:f5b62bef3680 11 */
dreschpe 0:f5b62bef3680 12
dreschpe 0:f5b62bef3680 13
dreschpe 0:f5b62bef3680 14 // fix bmp padding for Bitmap function
dreschpe 0:f5b62bef3680 15 // speed up pixel
dreschpe 0:f5b62bef3680 16 // 30.12.11 fix cls
dreschpe 0:f5b62bef3680 17 // 11.03.12 use DMA to speed up
dreschpe 0:f5b62bef3680 18
dreschpe 0:f5b62bef3680 19
dreschpe 0:f5b62bef3680 20 #include "SPI_TFT.h"
dreschpe 0:f5b62bef3680 21 #include "mbed.h"
dreschpe 0:f5b62bef3680 22
dreschpe 0:f5b62bef3680 23
dreschpe 0:f5b62bef3680 24 #define BPP 16 // Bits per pixel
dreschpe 0:f5b62bef3680 25
dreschpe 0:f5b62bef3680 26 DigitalOut led(LED2); // debug !!
dreschpe 0:f5b62bef3680 27 extern Serial pc;
dreschpe 0:f5b62bef3680 28
dreschpe 0:f5b62bef3680 29 SPI_TFT::SPI_TFT(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset, const char *name)
dreschpe 0:f5b62bef3680 30 : _spi(mosi, miso, sclk), _cs(cs), _reset(reset),GraphicsDisplay(name) {
dreschpe 0:f5b62bef3680 31 tft_reset();
dreschpe 0:f5b62bef3680 32 orientation = 0;
dreschpe 0:f5b62bef3680 33 char_x = 0;
dreschpe 0:f5b62bef3680 34 if (mosi == p11 || mosi == P0_18) spi_port = 0; // we must know the SPI port to setup the DMA
dreschpe 0:f5b62bef3680 35 else spi_port = 1;
dreschpe 0:f5b62bef3680 36 }
dreschpe 0:f5b62bef3680 37
dreschpe 0:f5b62bef3680 38 int SPI_TFT::width() {
dreschpe 0:f5b62bef3680 39 if (orientation == 0 || orientation == 2) return 240;
dreschpe 0:f5b62bef3680 40 else return 320;
dreschpe 0:f5b62bef3680 41 }
dreschpe 0:f5b62bef3680 42
dreschpe 0:f5b62bef3680 43
dreschpe 0:f5b62bef3680 44 int SPI_TFT::height() {
dreschpe 0:f5b62bef3680 45 if (orientation == 0 || orientation == 2) return 320;
dreschpe 0:f5b62bef3680 46 else return 240;
dreschpe 0:f5b62bef3680 47 }
dreschpe 0:f5b62bef3680 48
dreschpe 0:f5b62bef3680 49
dreschpe 0:f5b62bef3680 50
dreschpe 0:f5b62bef3680 51 void SPI_TFT::set_orientation(unsigned int o) {
dreschpe 0:f5b62bef3680 52 orientation = o;
dreschpe 0:f5b62bef3680 53 switch (orientation) {
dreschpe 0:f5b62bef3680 54 case 0:
dreschpe 0:f5b62bef3680 55 wr_reg(0x16, 0x0008);
dreschpe 0:f5b62bef3680 56 break;
dreschpe 0:f5b62bef3680 57 case 1:
dreschpe 0:f5b62bef3680 58 wr_reg(0x16, 0x0068);
dreschpe 0:f5b62bef3680 59 break;
dreschpe 0:f5b62bef3680 60 case 2:
dreschpe 0:f5b62bef3680 61 wr_reg(0x16, 0x00C8);
dreschpe 0:f5b62bef3680 62 break;
dreschpe 0:f5b62bef3680 63 case 3:
dreschpe 0:f5b62bef3680 64 wr_reg(0x16, 0x00A8);
dreschpe 0:f5b62bef3680 65 break;
dreschpe 0:f5b62bef3680 66 }
dreschpe 0:f5b62bef3680 67 WindowMax();
dreschpe 0:f5b62bef3680 68 }
dreschpe 0:f5b62bef3680 69
dreschpe 0:f5b62bef3680 70
dreschpe 0:f5b62bef3680 71
dreschpe 0:f5b62bef3680 72 void SPI_TFT::wr_cmd(int cmd) {
dreschpe 0:f5b62bef3680 73 _cs = 0;
dreschpe 0:f5b62bef3680 74 _spi.write(SPI_START | SPI_WR | SPI_INDEX); /* Write : RS = 0, RW = 0 */
dreschpe 0:f5b62bef3680 75 _spi.write(cmd);
dreschpe 0:f5b62bef3680 76 _cs = 1;
dreschpe 0:f5b62bef3680 77 }
dreschpe 0:f5b62bef3680 78
dreschpe 0:f5b62bef3680 79
dreschpe 0:f5b62bef3680 80
dreschpe 0:f5b62bef3680 81 void SPI_TFT::wr_dat(char dat) {
dreschpe 0:f5b62bef3680 82 _cs = 0;
dreschpe 0:f5b62bef3680 83 _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
dreschpe 0:f5b62bef3680 84 //_spi.format(16,3); // switch to 16 bit Mode 3
dreschpe 0:f5b62bef3680 85 _spi.write(dat & 0xff); // Write D0..D15
dreschpe 0:f5b62bef3680 86 //_spi.format(8,3); // 8 bit Mode 3
dreschpe 0:f5b62bef3680 87 _cs = 1;
dreschpe 0:f5b62bef3680 88 }
dreschpe 0:f5b62bef3680 89
dreschpe 0:f5b62bef3680 90 void SPI_TFT::wr_dat(int dat) {
dreschpe 0:f5b62bef3680 91 _cs = 0;
dreschpe 0:f5b62bef3680 92 _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0
dreschpe 0:f5b62bef3680 93 _spi.format(16,3); // switch to 16 bit Mode 3
dreschpe 0:f5b62bef3680 94 _spi.write(dat); // Write D0..D15
dreschpe 0:f5b62bef3680 95 _spi.format(8,3); // 8 bit Mode 3
dreschpe 0:f5b62bef3680 96 _cs = 1;
dreschpe 0:f5b62bef3680 97 }
dreschpe 0:f5b62bef3680 98
dreschpe 0:f5b62bef3680 99
dreschpe 0:f5b62bef3680 100 void SPI_TFT::wr_dat_start(void) {
dreschpe 0:f5b62bef3680 101 _cs = 0;
dreschpe 0:f5b62bef3680 102 _spi.write(SPI_START | SPI_WR | SPI_DATA); /* Write : RS = 1, RW = 0 */
dreschpe 0:f5b62bef3680 103 }
dreschpe 0:f5b62bef3680 104
dreschpe 0:f5b62bef3680 105
dreschpe 0:f5b62bef3680 106
dreschpe 0:f5b62bef3680 107 void SPI_TFT::wr_dat_stop (void) {
dreschpe 0:f5b62bef3680 108 _cs = 1;
dreschpe 0:f5b62bef3680 109 }
dreschpe 0:f5b62bef3680 110
dreschpe 0:f5b62bef3680 111
dreschpe 0:f5b62bef3680 112
dreschpe 0:f5b62bef3680 113 void SPI_TFT::wr_dat_only (unsigned short dat) {
dreschpe 0:f5b62bef3680 114
dreschpe 0:f5b62bef3680 115 _spi.format(16,3); // switch to 16 bit Mode 3
dreschpe 0:f5b62bef3680 116 _spi.write(dat); // Write D0..D15
dreschpe 0:f5b62bef3680 117 _spi.format(8,3); // 8 bit Mode 3
dreschpe 0:f5b62bef3680 118 }
dreschpe 0:f5b62bef3680 119
dreschpe 0:f5b62bef3680 120
dreschpe 0:f5b62bef3680 121
dreschpe 0:f5b62bef3680 122 unsigned short SPI_TFT::rd_dat (void) {
dreschpe 0:f5b62bef3680 123 unsigned short val = 0;
dreschpe 0:f5b62bef3680 124
dreschpe 0:f5b62bef3680 125 _cs = 0;
dreschpe 0:f5b62bef3680 126 _spi.write(SPI_START | SPI_RD | SPI_DATA); /* Read: RS = 1, RW = 1 */
dreschpe 0:f5b62bef3680 127 _spi.write(0); /* Dummy read 1 */
dreschpe 0:f5b62bef3680 128 val = _spi.write(0); /* Read D8..D15 */
dreschpe 0:f5b62bef3680 129 val <<= 8;
dreschpe 0:f5b62bef3680 130 val |= _spi.write(0); /* Read D0..D7 */
dreschpe 0:f5b62bef3680 131 _cs = 1;
dreschpe 0:f5b62bef3680 132 return (val);
dreschpe 0:f5b62bef3680 133 }
dreschpe 0:f5b62bef3680 134
dreschpe 0:f5b62bef3680 135
dreschpe 0:f5b62bef3680 136
dreschpe 0:f5b62bef3680 137 void SPI_TFT::wr_reg (unsigned char reg, unsigned char val) {
dreschpe 0:f5b62bef3680 138
dreschpe 0:f5b62bef3680 139 wr_cmd(reg);
dreschpe 0:f5b62bef3680 140 wr_dat(val);
dreschpe 0:f5b62bef3680 141 }
dreschpe 0:f5b62bef3680 142
dreschpe 0:f5b62bef3680 143
dreschpe 0:f5b62bef3680 144
dreschpe 0:f5b62bef3680 145 unsigned short SPI_TFT::rd_reg (unsigned char reg) {
dreschpe 0:f5b62bef3680 146
dreschpe 0:f5b62bef3680 147 wr_cmd(reg);
dreschpe 0:f5b62bef3680 148 return(rd_dat());
dreschpe 0:f5b62bef3680 149 }
dreschpe 0:f5b62bef3680 150
dreschpe 0:f5b62bef3680 151
dreschpe 0:f5b62bef3680 152
dreschpe 0:f5b62bef3680 153 void SPI_TFT::tft_reset() {
dreschpe 0:f5b62bef3680 154 static unsigned short driverCode;
dreschpe 0:f5b62bef3680 155 _spi.format(8,3); // 8 bit spi mode 3
dreschpe 0:f5b62bef3680 156 _spi.frequency(48000000); // 48Mhz SPI clock
dreschpe 0:f5b62bef3680 157 _reset = 0; // reset
dreschpe 0:f5b62bef3680 158 _cs = 1;
dreschpe 0:f5b62bef3680 159 wait_us(50);
dreschpe 0:f5b62bef3680 160 _reset = 1; // end reset
dreschpe 0:f5b62bef3680 161 wait_ms(5);
dreschpe 0:f5b62bef3680 162
dreschpe 0:f5b62bef3680 163 driverCode = rd_reg(0x00); // read controller ID
dreschpe 0:f5b62bef3680 164 //printf("Disp_ID = %x",driverCode);
dreschpe 0:f5b62bef3680 165
dreschpe 0:f5b62bef3680 166 /* Start Initial Sequence ----------------------------------------------------*/
dreschpe 0:f5b62bef3680 167 wr_reg(0xEA, 0x0000); /* Reset Power Control 1 */
dreschpe 0:f5b62bef3680 168 wr_reg(0xEB, 0x0020); /* Power Control 2 */
dreschpe 0:f5b62bef3680 169 wr_reg(0xEC, 0x000C); /* Power Control 3 */
dreschpe 0:f5b62bef3680 170 wr_reg(0xED, 0x00C4); /* Power Control 4 */
dreschpe 0:f5b62bef3680 171 wr_reg(0xE8, 0x0040); /* Source OPON_N */
dreschpe 0:f5b62bef3680 172 wr_reg(0xE9, 0x0038); /* Source OPON_I */
dreschpe 0:f5b62bef3680 173 wr_reg(0xF1, 0x0001); /* */
dreschpe 0:f5b62bef3680 174 wr_reg(0xF2, 0x0010); /* */
dreschpe 0:f5b62bef3680 175 wr_reg(0x27, 0x00A3); /* Display Control 2 */
dreschpe 0:f5b62bef3680 176
dreschpe 0:f5b62bef3680 177 /* Power On sequence ---------------------------------------------------------*/
dreschpe 0:f5b62bef3680 178 wr_reg(0x1B, 0x001B); /* Power Control 2 */
dreschpe 0:f5b62bef3680 179 wr_reg(0x1A, 0x0001); /* Power Control 1 */
dreschpe 0:f5b62bef3680 180 wr_reg(0x24, 0x002F); /* Vcom Control 2 */
dreschpe 0:f5b62bef3680 181 wr_reg(0x25, 0x0057); /* Vcom Control 3 */
dreschpe 0:f5b62bef3680 182 wr_reg(0x23, 0x008D); /* Vcom Control 1 */
dreschpe 0:f5b62bef3680 183
dreschpe 0:f5b62bef3680 184 /* Gamma settings -----------------------------------------------------------*/
dreschpe 0:f5b62bef3680 185 wr_reg(0x40,0x00); //
dreschpe 0:f5b62bef3680 186 wr_reg(0x41,0x00); //
dreschpe 0:f5b62bef3680 187 wr_reg(0x42,0x01); //
dreschpe 0:f5b62bef3680 188 wr_reg(0x43,0x13); //
dreschpe 0:f5b62bef3680 189 wr_reg(0x44,0x10); //
dreschpe 0:f5b62bef3680 190 wr_reg(0x45,0x26); //
dreschpe 0:f5b62bef3680 191 wr_reg(0x46,0x08); //
dreschpe 0:f5b62bef3680 192 wr_reg(0x47,0x51); //
dreschpe 0:f5b62bef3680 193 wr_reg(0x48,0x02); //
dreschpe 0:f5b62bef3680 194 wr_reg(0x49,0x12); //
dreschpe 0:f5b62bef3680 195 wr_reg(0x4A,0x18); //
dreschpe 0:f5b62bef3680 196 wr_reg(0x4B,0x19); //
dreschpe 0:f5b62bef3680 197 wr_reg(0x4C,0x14); //
dreschpe 0:f5b62bef3680 198 wr_reg(0x50,0x19); //
dreschpe 0:f5b62bef3680 199 wr_reg(0x51,0x2F); //
dreschpe 0:f5b62bef3680 200 wr_reg(0x52,0x2C); //
dreschpe 0:f5b62bef3680 201 wr_reg(0x53,0x3E); //
dreschpe 0:f5b62bef3680 202 wr_reg(0x54,0x3F); //
dreschpe 0:f5b62bef3680 203 wr_reg(0x55,0x3F); //
dreschpe 0:f5b62bef3680 204 wr_reg(0x56,0x2E); //
dreschpe 0:f5b62bef3680 205 wr_reg(0x57,0x77); //
dreschpe 0:f5b62bef3680 206 wr_reg(0x58,0x0B); //
dreschpe 0:f5b62bef3680 207 wr_reg(0x59,0x06); //
dreschpe 0:f5b62bef3680 208 wr_reg(0x5A,0x07); //
dreschpe 0:f5b62bef3680 209 wr_reg(0x5B,0x0D); //
dreschpe 0:f5b62bef3680 210 wr_reg(0x5C,0x1D); //
dreschpe 0:f5b62bef3680 211 wr_reg(0x5D,0xCC); //
dreschpe 0:f5b62bef3680 212
dreschpe 0:f5b62bef3680 213 /* Power + Osc ---------------------------------------------------------------*/
dreschpe 0:f5b62bef3680 214 wr_reg(0x18, 0x0036); /* OSC Control 1 */
dreschpe 0:f5b62bef3680 215 wr_reg(0x19, 0x0001); /* OSC Control 2 */
dreschpe 0:f5b62bef3680 216 wr_reg(0x01, 0x0000); /* Display Mode Control */
dreschpe 0:f5b62bef3680 217 wr_reg(0x1F, 0x0088); /* Power Control 6 */
dreschpe 0:f5b62bef3680 218 wait_ms(5); /* Delay 5 ms */
dreschpe 0:f5b62bef3680 219 wr_reg(0x1F, 0x0080); /* Power Control 6 */
dreschpe 0:f5b62bef3680 220 wait_ms(5); /* Delay 5 ms */
dreschpe 0:f5b62bef3680 221 wr_reg(0x1F, 0x0090); /* Power Control 6 */
dreschpe 0:f5b62bef3680 222 wait_ms(5); /* Delay 5 ms */
dreschpe 0:f5b62bef3680 223 wr_reg(0x1F, 0x00D0); /* Power Control 6 */
dreschpe 0:f5b62bef3680 224 wait_ms(5); /* Delay 5 ms */
dreschpe 0:f5b62bef3680 225
dreschpe 0:f5b62bef3680 226 wr_reg(0x17, 0x0005); /* Colmod 16Bit/Pixel */
dreschpe 0:f5b62bef3680 227
dreschpe 0:f5b62bef3680 228 wr_reg(0x36, 0x0000); /* Panel Characteristic */
dreschpe 0:f5b62bef3680 229 wr_reg(0x28, 0x0038); /* Display Control 3 */
dreschpe 0:f5b62bef3680 230 wait_ms(40);
dreschpe 0:f5b62bef3680 231 wr_reg(0x28, 0x003C); /* Display Control 3 */
dreschpe 0:f5b62bef3680 232 switch (orientation) {
dreschpe 0:f5b62bef3680 233 case 0:
dreschpe 0:f5b62bef3680 234 wr_reg(0x16, 0x0008);
dreschpe 0:f5b62bef3680 235 break;
dreschpe 0:f5b62bef3680 236 case 1:
dreschpe 0:f5b62bef3680 237 wr_reg(0x16, 0x0068);
dreschpe 0:f5b62bef3680 238 break;
dreschpe 0:f5b62bef3680 239 case 2:
dreschpe 0:f5b62bef3680 240 wr_reg(0x16, 0x00C8);
dreschpe 0:f5b62bef3680 241 break;
dreschpe 0:f5b62bef3680 242 case 3:
dreschpe 0:f5b62bef3680 243 wr_reg(0x16, 0x00A8);
dreschpe 0:f5b62bef3680 244 break;
dreschpe 0:f5b62bef3680 245 }
dreschpe 0:f5b62bef3680 246
dreschpe 0:f5b62bef3680 247 // setup DMA channel 0
dreschpe 0:f5b62bef3680 248
dreschpe 0:f5b62bef3680 249 /* Power up the GPDMA. */
dreschpe 0:f5b62bef3680 250 LPC_SC->PCONP |= (1UL << 29);
dreschpe 0:f5b62bef3680 251 LPC_GPDMA->DMACConfig = 1; // enable DMA controller
dreschpe 0:f5b62bef3680 252 // Reset the Interrupt status
dreschpe 0:f5b62bef3680 253 LPC_GPDMA->DMACIntTCClear = 0x1;
dreschpe 0:f5b62bef3680 254 LPC_GPDMA->DMACIntErrClr = 0x1;
dreschpe 0:f5b62bef3680 255 LPC_GPDMACH0->DMACCLLI = 0;
dreschpe 0:f5b62bef3680 256 if (spi_port == 0) { // TFT on SSP0
dreschpe 0:f5b62bef3680 257 LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0
dreschpe 0:f5b62bef3680 258 /* Enable SSP0 for DMA. */
dreschpe 0:f5b62bef3680 259 LPC_SSP0->DMACR = 0x2;
dreschpe 0:f5b62bef3680 260 } else {
dreschpe 0:f5b62bef3680 261 LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1
dreschpe 0:f5b62bef3680 262 /* Enable SSP1 for DMA. */
dreschpe 0:f5b62bef3680 263 LPC_SSP1->DMACR = 0x2;
dreschpe 0:f5b62bef3680 264 }
dreschpe 0:f5b62bef3680 265
dreschpe 0:f5b62bef3680 266 WindowMax ();
dreschpe 0:f5b62bef3680 267 }
dreschpe 0:f5b62bef3680 268
dreschpe 0:f5b62bef3680 269
dreschpe 0:f5b62bef3680 270
dreschpe 0:f5b62bef3680 271
dreschpe 0:f5b62bef3680 272 void SPI_TFT::pixel(int x, int y, int color) {
dreschpe 0:f5b62bef3680 273 wr_reg(0x03, (x >> 0));
dreschpe 0:f5b62bef3680 274 wr_reg(0x02, (x >> 8));
dreschpe 0:f5b62bef3680 275 wr_reg(0x07, (y >> 0));
dreschpe 0:f5b62bef3680 276 wr_reg(0x06, (y >> 8));
dreschpe 0:f5b62bef3680 277 //wr_reg(0x05, (x+1 >> 0));
dreschpe 0:f5b62bef3680 278 //wr_reg(0x04, (x+1 >> 8));
dreschpe 0:f5b62bef3680 279 //wr_reg(0x09, (y+1 >> 0));
dreschpe 0:f5b62bef3680 280 //wr_reg(0x08, (y+1 >> 8));
dreschpe 0:f5b62bef3680 281 wr_cmd(0x22);
dreschpe 0:f5b62bef3680 282 wr_dat(color);
dreschpe 0:f5b62bef3680 283 }
dreschpe 0:f5b62bef3680 284
dreschpe 0:f5b62bef3680 285
dreschpe 0:f5b62bef3680 286
dreschpe 0:f5b62bef3680 287
dreschpe 0:f5b62bef3680 288 void SPI_TFT::window (unsigned int x, unsigned int y, unsigned int w, unsigned int h) {
dreschpe 0:f5b62bef3680 289 wr_reg(0x03, (x >> 0));
dreschpe 0:f5b62bef3680 290 wr_reg(0x02, (x >> 8));
dreschpe 0:f5b62bef3680 291 wr_reg(0x05, (x+w-1 >> 0));
dreschpe 0:f5b62bef3680 292 wr_reg(0x04, (x+w-1 >> 8));
dreschpe 0:f5b62bef3680 293 wr_reg(0x07, ( y >> 0));
dreschpe 0:f5b62bef3680 294 wr_reg(0x06, ( y >> 8));
dreschpe 0:f5b62bef3680 295 wr_reg(0x09, ( y+h-1 >> 0));
dreschpe 0:f5b62bef3680 296 wr_reg(0x08, ( y+h-1 >> 8));
dreschpe 0:f5b62bef3680 297 //wr_cmd(0x22);
dreschpe 0:f5b62bef3680 298 }
dreschpe 0:f5b62bef3680 299
dreschpe 0:f5b62bef3680 300
dreschpe 0:f5b62bef3680 301 void SPI_TFT::WindowMax (void) {
dreschpe 0:f5b62bef3680 302 window (0, 0, width(), height());
dreschpe 0:f5b62bef3680 303 }
dreschpe 0:f5b62bef3680 304
dreschpe 0:f5b62bef3680 305
dreschpe 0:f5b62bef3680 306 void SPI_TFT::cls (void) {
dreschpe 0:f5b62bef3680 307 //unsigned int i;
dreschpe 0:f5b62bef3680 308 int pixel = ( width() * height());
dreschpe 0:f5b62bef3680 309 int dma_count;
dreschpe 0:f5b62bef3680 310 int color = _background;
dreschpe 0:f5b62bef3680 311 WindowMax();
dreschpe 0:f5b62bef3680 312 wr_cmd(0x22);
dreschpe 0:f5b62bef3680 313 wr_dat_start();
dreschpe 0:f5b62bef3680 314 _spi.format(16,3); // 16 bit Mode 3
dreschpe 0:f5b62bef3680 315 do {
dreschpe 0:f5b62bef3680 316 if (pixel > 4095) {
dreschpe 0:f5b62bef3680 317 dma_count = 4095;
dreschpe 0:f5b62bef3680 318 pixel = pixel - 4095;
dreschpe 0:f5b62bef3680 319 } else {
dreschpe 0:f5b62bef3680 320 dma_count = pixel;
dreschpe 0:f5b62bef3680 321 pixel = 0;
dreschpe 0:f5b62bef3680 322 }
dreschpe 0:f5b62bef3680 323 LPC_GPDMA->DMACIntTCClear = 0x1;
dreschpe 0:f5b62bef3680 324 LPC_GPDMA->DMACIntErrClr = 0x1;
dreschpe 0:f5b62bef3680 325 LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)&color;
dreschpe 0:f5b62bef3680 326 LPC_GPDMACH0->DMACCControl = dma_count | (1UL << 18) | (1UL << 21) | (1UL << 31) ; // 16 bit transfer , no address increment, interrupt
dreschpe 0:f5b62bef3680 327 LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P ;
dreschpe 0:f5b62bef3680 328 LPC_GPDMA->DMACSoftSReq = 0x1;
dreschpe 0:f5b62bef3680 329 do {
dreschpe 0:f5b62bef3680 330 } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
dreschpe 0:f5b62bef3680 331
dreschpe 0:f5b62bef3680 332 } while (pixel > 0);
dreschpe 0:f5b62bef3680 333 if (spi_port == 0) { // TFT on SSP0
dreschpe 0:f5b62bef3680 334 do {
dreschpe 0:f5b62bef3680 335 } while ((LPC_SSP0->SR & 0x01) == 0); // SPI FIFO not empty
dreschpe 0:f5b62bef3680 336 } else {
dreschpe 0:f5b62bef3680 337 do {
dreschpe 0:f5b62bef3680 338 } while ((LPC_SSP1->SR & 0x01) == 0); // SPI FIFO not empty
dreschpe 0:f5b62bef3680 339 }
dreschpe 0:f5b62bef3680 340
dreschpe 0:f5b62bef3680 341 // for (i = 0; i < ( width() * height()); i++)
dreschpe 0:f5b62bef3680 342 // _spi.write(_background);
dreschpe 0:f5b62bef3680 343
dreschpe 0:f5b62bef3680 344 _spi.format(8,3); // 8 bit Mode 3
dreschpe 0:f5b62bef3680 345 wr_dat_stop();
dreschpe 0:f5b62bef3680 346 }
dreschpe 0:f5b62bef3680 347
dreschpe 0:f5b62bef3680 348
dreschpe 0:f5b62bef3680 349 void SPI_TFT::circle(int x0, int y0, int r, int color) {
dreschpe 0:f5b62bef3680 350
dreschpe 0:f5b62bef3680 351 int draw_x0, draw_y0;
dreschpe 0:f5b62bef3680 352 int draw_x1, draw_y1;
dreschpe 0:f5b62bef3680 353 int draw_x2, draw_y2;
dreschpe 0:f5b62bef3680 354 int draw_x3, draw_y3;
dreschpe 0:f5b62bef3680 355 int draw_x4, draw_y4;
dreschpe 0:f5b62bef3680 356 int draw_x5, draw_y5;
dreschpe 0:f5b62bef3680 357 int draw_x6, draw_y6;
dreschpe 0:f5b62bef3680 358 int draw_x7, draw_y7;
dreschpe 0:f5b62bef3680 359 int xx, yy;
dreschpe 0:f5b62bef3680 360 int di;
dreschpe 0:f5b62bef3680 361 //WindowMax();
dreschpe 0:f5b62bef3680 362 if (r == 0) { /* no radius */
dreschpe 0:f5b62bef3680 363 return;
dreschpe 0:f5b62bef3680 364 }
dreschpe 0:f5b62bef3680 365
dreschpe 0:f5b62bef3680 366 draw_x0 = draw_x1 = x0;
dreschpe 0:f5b62bef3680 367 draw_y0 = draw_y1 = y0 + r;
dreschpe 0:f5b62bef3680 368 if (draw_y0 < height()) {
dreschpe 0:f5b62bef3680 369 pixel(draw_x0, draw_y0, color); /* 90 degree */
dreschpe 0:f5b62bef3680 370 }
dreschpe 0:f5b62bef3680 371
dreschpe 0:f5b62bef3680 372 draw_x2 = draw_x3 = x0;
dreschpe 0:f5b62bef3680 373 draw_y2 = draw_y3 = y0 - r;
dreschpe 0:f5b62bef3680 374 if (draw_y2 >= 0) {
dreschpe 0:f5b62bef3680 375 pixel(draw_x2, draw_y2, color); /* 270 degree */
dreschpe 0:f5b62bef3680 376 }
dreschpe 0:f5b62bef3680 377
dreschpe 0:f5b62bef3680 378 draw_x4 = draw_x6 = x0 + r;
dreschpe 0:f5b62bef3680 379 draw_y4 = draw_y6 = y0;
dreschpe 0:f5b62bef3680 380 if (draw_x4 < width()) {
dreschpe 0:f5b62bef3680 381 pixel(draw_x4, draw_y4, color); /* 0 degree */
dreschpe 0:f5b62bef3680 382 }
dreschpe 0:f5b62bef3680 383
dreschpe 0:f5b62bef3680 384 draw_x5 = draw_x7 = x0 - r;
dreschpe 0:f5b62bef3680 385 draw_y5 = draw_y7 = y0;
dreschpe 0:f5b62bef3680 386 if (draw_x5>=0) {
dreschpe 0:f5b62bef3680 387 pixel(draw_x5, draw_y5, color); /* 180 degree */
dreschpe 0:f5b62bef3680 388 }
dreschpe 0:f5b62bef3680 389
dreschpe 0:f5b62bef3680 390 if (r == 1) {
dreschpe 0:f5b62bef3680 391 return;
dreschpe 0:f5b62bef3680 392 }
dreschpe 0:f5b62bef3680 393
dreschpe 0:f5b62bef3680 394 di = 3 - 2*r;
dreschpe 0:f5b62bef3680 395 xx = 0;
dreschpe 0:f5b62bef3680 396 yy = r;
dreschpe 0:f5b62bef3680 397 while (xx < yy) {
dreschpe 0:f5b62bef3680 398
dreschpe 0:f5b62bef3680 399 if (di < 0) {
dreschpe 0:f5b62bef3680 400 di += 4*xx + 6;
dreschpe 0:f5b62bef3680 401 } else {
dreschpe 0:f5b62bef3680 402 di += 4*(xx - yy) + 10;
dreschpe 0:f5b62bef3680 403 yy--;
dreschpe 0:f5b62bef3680 404 draw_y0--;
dreschpe 0:f5b62bef3680 405 draw_y1--;
dreschpe 0:f5b62bef3680 406 draw_y2++;
dreschpe 0:f5b62bef3680 407 draw_y3++;
dreschpe 0:f5b62bef3680 408 draw_x4--;
dreschpe 0:f5b62bef3680 409 draw_x5++;
dreschpe 0:f5b62bef3680 410 draw_x6--;
dreschpe 0:f5b62bef3680 411 draw_x7++;
dreschpe 0:f5b62bef3680 412 }
dreschpe 0:f5b62bef3680 413 xx++;
dreschpe 0:f5b62bef3680 414 draw_x0++;
dreschpe 0:f5b62bef3680 415 draw_x1--;
dreschpe 0:f5b62bef3680 416 draw_x2++;
dreschpe 0:f5b62bef3680 417 draw_x3--;
dreschpe 0:f5b62bef3680 418 draw_y4++;
dreschpe 0:f5b62bef3680 419 draw_y5++;
dreschpe 0:f5b62bef3680 420 draw_y6--;
dreschpe 0:f5b62bef3680 421 draw_y7--;
dreschpe 0:f5b62bef3680 422
dreschpe 0:f5b62bef3680 423 if ( (draw_x0 <= width()) && (draw_y0>=0) ) {
dreschpe 0:f5b62bef3680 424 pixel(draw_x0, draw_y0, color);
dreschpe 0:f5b62bef3680 425 }
dreschpe 0:f5b62bef3680 426
dreschpe 0:f5b62bef3680 427 if ( (draw_x1 >= 0) && (draw_y1 >= 0) ) {
dreschpe 0:f5b62bef3680 428 pixel(draw_x1, draw_y1, color);
dreschpe 0:f5b62bef3680 429 }
dreschpe 0:f5b62bef3680 430
dreschpe 0:f5b62bef3680 431 if ( (draw_x2 <= width()) && (draw_y2 <= height()) ) {
dreschpe 0:f5b62bef3680 432 pixel(draw_x2, draw_y2, color);
dreschpe 0:f5b62bef3680 433 }
dreschpe 0:f5b62bef3680 434
dreschpe 0:f5b62bef3680 435 if ( (draw_x3 >=0 ) && (draw_y3 <= height()) ) {
dreschpe 0:f5b62bef3680 436 pixel(draw_x3, draw_y3, color);
dreschpe 0:f5b62bef3680 437 }
dreschpe 0:f5b62bef3680 438
dreschpe 0:f5b62bef3680 439 if ( (draw_x4 <= width()) && (draw_y4 >= 0) ) {
dreschpe 0:f5b62bef3680 440 pixel(draw_x4, draw_y4, color);
dreschpe 0:f5b62bef3680 441 }
dreschpe 0:f5b62bef3680 442
dreschpe 0:f5b62bef3680 443 if ( (draw_x5 >= 0) && (draw_y5 >= 0) ) {
dreschpe 0:f5b62bef3680 444 pixel(draw_x5, draw_y5, color);
dreschpe 0:f5b62bef3680 445 }
dreschpe 0:f5b62bef3680 446 if ( (draw_x6 <=width()) && (draw_y6 <= height()) ) {
dreschpe 0:f5b62bef3680 447 pixel(draw_x6, draw_y6, color);
dreschpe 0:f5b62bef3680 448 }
dreschpe 0:f5b62bef3680 449 if ( (draw_x7 >= 0) && (draw_y7 <= height()) ) {
dreschpe 0:f5b62bef3680 450 pixel(draw_x7, draw_y7, color);
dreschpe 0:f5b62bef3680 451 }
dreschpe 0:f5b62bef3680 452 }
dreschpe 0:f5b62bef3680 453 return;
dreschpe 0:f5b62bef3680 454 }
dreschpe 0:f5b62bef3680 455
dreschpe 0:f5b62bef3680 456 void SPI_TFT::fillcircle(int x, int y, int r, int color) {
dreschpe 0:f5b62bef3680 457 int i;
dreschpe 0:f5b62bef3680 458 for (i = 0; i <= r; i++)
dreschpe 0:f5b62bef3680 459 circle(x,y,i,color);
dreschpe 0:f5b62bef3680 460 }
dreschpe 0:f5b62bef3680 461
dreschpe 0:f5b62bef3680 462
dreschpe 0:f5b62bef3680 463
dreschpe 0:f5b62bef3680 464 void SPI_TFT::hline(int x0, int x1, int y, int color) {
dreschpe 0:f5b62bef3680 465 int w;
dreschpe 0:f5b62bef3680 466 w = x1 - x0 + 1;
dreschpe 0:f5b62bef3680 467 window(x0,y,w,1);
dreschpe 0:f5b62bef3680 468 wr_cmd(0x22);
dreschpe 0:f5b62bef3680 469 wr_dat_start();
dreschpe 0:f5b62bef3680 470 _spi.format(16,3); // pixel are send in 16 bit mode to speed up
dreschpe 0:f5b62bef3680 471 LPC_GPDMA->DMACIntTCClear = 0x1;
dreschpe 0:f5b62bef3680 472 LPC_GPDMA->DMACIntErrClr = 0x1;
dreschpe 0:f5b62bef3680 473 LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)&color;
dreschpe 0:f5b62bef3680 474 LPC_GPDMACH0->DMACCControl = w | (1UL << 18) | (1UL << 21) | (1UL << 31) ; // 16 bit transfer , no address increment, interrupt
dreschpe 0:f5b62bef3680 475 LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P ;
dreschpe 0:f5b62bef3680 476 LPC_GPDMA->DMACSoftSReq = 0x1; // start DMA
dreschpe 0:f5b62bef3680 477 do {
dreschpe 0:f5b62bef3680 478 } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
dreschpe 0:f5b62bef3680 479 //for (int x=0; x<w; x++) {
dreschpe 0:f5b62bef3680 480 // _spi.write(color);
dreschpe 0:f5b62bef3680 481 //}
dreschpe 0:f5b62bef3680 482 if (spi_port == 0) { // TFT on SSP0
dreschpe 0:f5b62bef3680 483 do {
dreschpe 0:f5b62bef3680 484 } while ((LPC_SSP0->SR & 0x01) == 0); // SPI FIFO not empty
dreschpe 0:f5b62bef3680 485 } else {
dreschpe 0:f5b62bef3680 486 do {
dreschpe 0:f5b62bef3680 487 } while ((LPC_SSP1->SR & 0x01) == 0); // SPI FIFO not empty
dreschpe 0:f5b62bef3680 488 }
dreschpe 0:f5b62bef3680 489
dreschpe 0:f5b62bef3680 490 _spi.format(8,3);
dreschpe 0:f5b62bef3680 491 wr_dat_stop();
dreschpe 0:f5b62bef3680 492 WindowMax();
dreschpe 0:f5b62bef3680 493 return;
dreschpe 0:f5b62bef3680 494 }
dreschpe 0:f5b62bef3680 495
dreschpe 0:f5b62bef3680 496
dreschpe 0:f5b62bef3680 497
dreschpe 0:f5b62bef3680 498 void SPI_TFT::vline(int x, int y0, int y1, int color) {
dreschpe 0:f5b62bef3680 499 int h;
dreschpe 0:f5b62bef3680 500 h = y1 - y0 + 1;
dreschpe 0:f5b62bef3680 501 window(x,y0,1,h);
dreschpe 0:f5b62bef3680 502 wr_cmd(0x22);
dreschpe 0:f5b62bef3680 503 wr_dat_start();
dreschpe 0:f5b62bef3680 504 _spi.format(16,3); // pixel are send in 16 bit mode to speed up
dreschpe 0:f5b62bef3680 505 LPC_GPDMA->DMACIntTCClear = 0x1;
dreschpe 0:f5b62bef3680 506 LPC_GPDMA->DMACIntErrClr = 0x1;
dreschpe 0:f5b62bef3680 507 LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)&color;
dreschpe 0:f5b62bef3680 508 LPC_GPDMACH0->DMACCControl = h | (1UL << 18) | (1UL << 21) | (1UL << 31) ; // 16 bit transfer , no address increment, interrupt
dreschpe 0:f5b62bef3680 509 LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P ;
dreschpe 0:f5b62bef3680 510 LPC_GPDMA->DMACSoftSReq = 0x1;
dreschpe 0:f5b62bef3680 511 do {
dreschpe 0:f5b62bef3680 512 } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
dreschpe 0:f5b62bef3680 513
dreschpe 0:f5b62bef3680 514 if (spi_port == 0) { // TFT on SSP0
dreschpe 0:f5b62bef3680 515 do {
dreschpe 0:f5b62bef3680 516 } while ((LPC_SSP0->SR & 0x01) == 0); // SPI FIFO not empty
dreschpe 0:f5b62bef3680 517 } else {
dreschpe 0:f5b62bef3680 518 do {
dreschpe 0:f5b62bef3680 519 } while ((LPC_SSP1->SR & 0x01) == 0); // SPI FIFO not empty
dreschpe 0:f5b62bef3680 520 }
dreschpe 0:f5b62bef3680 521
dreschpe 0:f5b62bef3680 522 //for (int y=0; y<h; y++) {
dreschpe 0:f5b62bef3680 523 // _spi.write(color);
dreschpe 0:f5b62bef3680 524 //}
dreschpe 0:f5b62bef3680 525 _spi.format(8,3);
dreschpe 0:f5b62bef3680 526 wr_dat_stop();
dreschpe 0:f5b62bef3680 527 WindowMax();
dreschpe 0:f5b62bef3680 528 return;
dreschpe 0:f5b62bef3680 529 }
dreschpe 0:f5b62bef3680 530
dreschpe 0:f5b62bef3680 531
dreschpe 0:f5b62bef3680 532
dreschpe 0:f5b62bef3680 533 void SPI_TFT::line(int x0, int y0, int x1, int y1, int color) {
dreschpe 0:f5b62bef3680 534 //WindowMax();
dreschpe 0:f5b62bef3680 535 int dx = 0, dy = 0;
dreschpe 0:f5b62bef3680 536 int dx_sym = 0, dy_sym = 0;
dreschpe 0:f5b62bef3680 537 int dx_x2 = 0, dy_x2 = 0;
dreschpe 0:f5b62bef3680 538 int di = 0;
dreschpe 0:f5b62bef3680 539
dreschpe 0:f5b62bef3680 540 dx = x1-x0;
dreschpe 0:f5b62bef3680 541 dy = y1-y0;
dreschpe 0:f5b62bef3680 542
dreschpe 0:f5b62bef3680 543 if (dx == 0) { /* vertical line */
dreschpe 0:f5b62bef3680 544 if (y1 > y0) vline(x0,y0,y1,color);
dreschpe 0:f5b62bef3680 545 else vline(x0,y1,y0,color);
dreschpe 0:f5b62bef3680 546 return;
dreschpe 0:f5b62bef3680 547 }
dreschpe 0:f5b62bef3680 548
dreschpe 0:f5b62bef3680 549 if (dx > 0) {
dreschpe 0:f5b62bef3680 550 dx_sym = 1;
dreschpe 0:f5b62bef3680 551 } else {
dreschpe 0:f5b62bef3680 552 dx_sym = -1;
dreschpe 0:f5b62bef3680 553 }
dreschpe 0:f5b62bef3680 554 if (dy == 0) { /* horizontal line */
dreschpe 0:f5b62bef3680 555 if (x1 > x0) hline(x0,x1,y0,color);
dreschpe 0:f5b62bef3680 556 else hline(x1,x0,y0,color);
dreschpe 0:f5b62bef3680 557 return;
dreschpe 0:f5b62bef3680 558 }
dreschpe 0:f5b62bef3680 559
dreschpe 0:f5b62bef3680 560 if (dy > 0) {
dreschpe 0:f5b62bef3680 561 dy_sym = 1;
dreschpe 0:f5b62bef3680 562 } else {
dreschpe 0:f5b62bef3680 563 dy_sym = -1;
dreschpe 0:f5b62bef3680 564 }
dreschpe 0:f5b62bef3680 565
dreschpe 0:f5b62bef3680 566 dx = dx_sym*dx;
dreschpe 0:f5b62bef3680 567 dy = dy_sym*dy;
dreschpe 0:f5b62bef3680 568
dreschpe 0:f5b62bef3680 569 dx_x2 = dx*2;
dreschpe 0:f5b62bef3680 570 dy_x2 = dy*2;
dreschpe 0:f5b62bef3680 571
dreschpe 0:f5b62bef3680 572 if (dx >= dy) {
dreschpe 0:f5b62bef3680 573 di = dy_x2 - dx;
dreschpe 0:f5b62bef3680 574 while (x0 != x1) {
dreschpe 0:f5b62bef3680 575
dreschpe 0:f5b62bef3680 576 pixel(x0, y0, color);
dreschpe 0:f5b62bef3680 577 x0 += dx_sym;
dreschpe 0:f5b62bef3680 578 if (di<0) {
dreschpe 0:f5b62bef3680 579 di += dy_x2;
dreschpe 0:f5b62bef3680 580 } else {
dreschpe 0:f5b62bef3680 581 di += dy_x2 - dx_x2;
dreschpe 0:f5b62bef3680 582 y0 += dy_sym;
dreschpe 0:f5b62bef3680 583 }
dreschpe 0:f5b62bef3680 584 }
dreschpe 0:f5b62bef3680 585 pixel(x0, y0, color);
dreschpe 0:f5b62bef3680 586 } else {
dreschpe 0:f5b62bef3680 587 di = dx_x2 - dy;
dreschpe 0:f5b62bef3680 588 while (y0 != y1) {
dreschpe 0:f5b62bef3680 589 pixel(x0, y0, color);
dreschpe 0:f5b62bef3680 590 y0 += dy_sym;
dreschpe 0:f5b62bef3680 591 if (di < 0) {
dreschpe 0:f5b62bef3680 592 di += dx_x2;
dreschpe 0:f5b62bef3680 593 } else {
dreschpe 0:f5b62bef3680 594 di += dx_x2 - dy_x2;
dreschpe 0:f5b62bef3680 595 x0 += dx_sym;
dreschpe 0:f5b62bef3680 596 }
dreschpe 0:f5b62bef3680 597 }
dreschpe 0:f5b62bef3680 598 pixel(x0, y0, color);
dreschpe 0:f5b62bef3680 599 }
dreschpe 0:f5b62bef3680 600 return;
dreschpe 0:f5b62bef3680 601 }
dreschpe 0:f5b62bef3680 602
dreschpe 0:f5b62bef3680 603
dreschpe 0:f5b62bef3680 604
dreschpe 0:f5b62bef3680 605
dreschpe 0:f5b62bef3680 606 void SPI_TFT::rect(int x0, int y0, int x1, int y1, int color) {
dreschpe 0:f5b62bef3680 607
dreschpe 0:f5b62bef3680 608 if (x1 > x0) hline(x0,x1,y0,color);
dreschpe 0:f5b62bef3680 609 else hline(x1,x0,y0,color);
dreschpe 0:f5b62bef3680 610
dreschpe 0:f5b62bef3680 611 if (y1 > y0) vline(x0,y0,y1,color);
dreschpe 0:f5b62bef3680 612 else vline(x0,y1,y0,color);
dreschpe 0:f5b62bef3680 613
dreschpe 0:f5b62bef3680 614 if (x1 > x0) hline(x0,x1,y1,color);
dreschpe 0:f5b62bef3680 615 else hline(x1,x0,y1,color);
dreschpe 0:f5b62bef3680 616
dreschpe 0:f5b62bef3680 617 if (y1 > y0) vline(x1,y0,y1,color);
dreschpe 0:f5b62bef3680 618 else vline(x1,y1,y0,color);
dreschpe 0:f5b62bef3680 619
dreschpe 0:f5b62bef3680 620 return;
dreschpe 0:f5b62bef3680 621 }
dreschpe 0:f5b62bef3680 622
dreschpe 0:f5b62bef3680 623
dreschpe 0:f5b62bef3680 624
dreschpe 0:f5b62bef3680 625 void SPI_TFT::fillrect(int x0, int y0, int x1, int y1, int color) {
dreschpe 0:f5b62bef3680 626
dreschpe 0:f5b62bef3680 627 int h = y1 - y0 + 1;
dreschpe 0:f5b62bef3680 628 int w = x1 - x0 + 1;
dreschpe 0:f5b62bef3680 629 int pixel = h * w;
dreschpe 0:f5b62bef3680 630 int dma_count;
dreschpe 0:f5b62bef3680 631 window(x0,y0,w,h);
dreschpe 0:f5b62bef3680 632 wr_cmd(0x22);
dreschpe 0:f5b62bef3680 633 wr_dat_start();
dreschpe 0:f5b62bef3680 634 _spi.format(16,3); // pixel are send in 16 bit mode to speed up
dreschpe 0:f5b62bef3680 635
dreschpe 0:f5b62bef3680 636 do {
dreschpe 0:f5b62bef3680 637 if (pixel > 4095) {
dreschpe 0:f5b62bef3680 638 dma_count = 4095;
dreschpe 0:f5b62bef3680 639 pixel = pixel - 4095;
dreschpe 0:f5b62bef3680 640 } else {
dreschpe 0:f5b62bef3680 641 dma_count = pixel;
dreschpe 0:f5b62bef3680 642 pixel = 0;
dreschpe 0:f5b62bef3680 643 }
dreschpe 0:f5b62bef3680 644 LPC_GPDMA->DMACIntTCClear = 0x1;
dreschpe 0:f5b62bef3680 645 LPC_GPDMA->DMACIntErrClr = 0x1;
dreschpe 0:f5b62bef3680 646 LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)&color;
dreschpe 0:f5b62bef3680 647 LPC_GPDMACH0->DMACCControl = dma_count | (1UL << 18) | (1UL << 21) | (1UL << 31) ; // 16 bit transfer , no address increment, interrupt
dreschpe 0:f5b62bef3680 648 LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P ;
dreschpe 0:f5b62bef3680 649 LPC_GPDMA->DMACSoftSReq = 0x1;
dreschpe 0:f5b62bef3680 650 do {
dreschpe 0:f5b62bef3680 651 } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
dreschpe 0:f5b62bef3680 652
dreschpe 0:f5b62bef3680 653 } while (pixel > 0);
dreschpe 0:f5b62bef3680 654
dreschpe 0:f5b62bef3680 655 if (spi_port == 0) { // TFT on SSP0
dreschpe 0:f5b62bef3680 656 do {
dreschpe 0:f5b62bef3680 657 } while ((LPC_SSP0->SR & 0x01) == 0); // SPI FIFO not empty
dreschpe 0:f5b62bef3680 658 } else {
dreschpe 0:f5b62bef3680 659 do {
dreschpe 0:f5b62bef3680 660 } while ((LPC_SSP1->SR & 0x01) == 0); // SPI FIFO not empty
dreschpe 0:f5b62bef3680 661 }
dreschpe 0:f5b62bef3680 662
dreschpe 0:f5b62bef3680 663 //for (int p=0; p<pixel; p++) {
dreschpe 0:f5b62bef3680 664 // _spi.write(color);
dreschpe 0:f5b62bef3680 665 // }
dreschpe 0:f5b62bef3680 666 _spi.format(8,3);
dreschpe 0:f5b62bef3680 667 wr_dat_stop();
dreschpe 0:f5b62bef3680 668 WindowMax();
dreschpe 0:f5b62bef3680 669 return;
dreschpe 0:f5b62bef3680 670 }
dreschpe 0:f5b62bef3680 671
dreschpe 0:f5b62bef3680 672
dreschpe 0:f5b62bef3680 673
dreschpe 0:f5b62bef3680 674 void SPI_TFT::locate(int x, int y) {
dreschpe 0:f5b62bef3680 675 char_x = x;
dreschpe 0:f5b62bef3680 676 char_y = y;
dreschpe 0:f5b62bef3680 677 }
dreschpe 0:f5b62bef3680 678
dreschpe 0:f5b62bef3680 679
dreschpe 0:f5b62bef3680 680
dreschpe 0:f5b62bef3680 681 int SPI_TFT::columns() {
dreschpe 0:f5b62bef3680 682 return width() / font[1];
dreschpe 0:f5b62bef3680 683 }
dreschpe 0:f5b62bef3680 684
dreschpe 0:f5b62bef3680 685
dreschpe 0:f5b62bef3680 686
dreschpe 0:f5b62bef3680 687 int SPI_TFT::rows() {
dreschpe 0:f5b62bef3680 688 return height() / font[2];
dreschpe 0:f5b62bef3680 689 }
dreschpe 0:f5b62bef3680 690
dreschpe 0:f5b62bef3680 691
dreschpe 0:f5b62bef3680 692
dreschpe 0:f5b62bef3680 693 int SPI_TFT::_putc(int value) {
dreschpe 0:f5b62bef3680 694 if (value == '\n') { // new line
dreschpe 0:f5b62bef3680 695 char_x = 0;
dreschpe 0:f5b62bef3680 696 char_y = char_y + font[2];
dreschpe 0:f5b62bef3680 697 if (char_y >= height() - font[2]) {
dreschpe 0:f5b62bef3680 698 char_y = 0;
dreschpe 0:f5b62bef3680 699 }
dreschpe 0:f5b62bef3680 700 } else {
dreschpe 0:f5b62bef3680 701 character(char_x, char_y, value);
dreschpe 0:f5b62bef3680 702 }
dreschpe 0:f5b62bef3680 703 return value;
dreschpe 0:f5b62bef3680 704 }
dreschpe 0:f5b62bef3680 705
dreschpe 0:f5b62bef3680 706
dreschpe 0:f5b62bef3680 707
dreschpe 0:f5b62bef3680 708
dreschpe 0:f5b62bef3680 709 void SPI_TFT::character(int x, int y, int c) {
dreschpe 0:f5b62bef3680 710 unsigned int hor,vert,offset,bpl,j,i,b,p;
dreschpe 0:f5b62bef3680 711 unsigned char* zeichen;
dreschpe 0:f5b62bef3680 712 unsigned char z,w;
dreschpe 0:f5b62bef3680 713 unsigned int pixel;
dreschpe 0:f5b62bef3680 714 unsigned int dma_count,dma_off;
dreschpe 0:f5b62bef3680 715 uint16_t *buffer;
dreschpe 0:f5b62bef3680 716 // pc.printf("character(%i,%i,%c)\n\r",x,y,c);
dreschpe 0:f5b62bef3680 717 // led = 0;
dreschpe 0:f5b62bef3680 718
dreschpe 0:f5b62bef3680 719 if ((c < 31) || (c > 127)) return; // test char range
dreschpe 0:f5b62bef3680 720
dreschpe 0:f5b62bef3680 721 // read font parameter from start of array
dreschpe 0:f5b62bef3680 722 offset = font[0]; // bytes / char
dreschpe 0:f5b62bef3680 723 hor = font[1]; // get hor size of font
dreschpe 0:f5b62bef3680 724 vert = font[2]; // get vert size of font
dreschpe 0:f5b62bef3680 725 bpl = font[3]; // bytes per line
dreschpe 0:f5b62bef3680 726
dreschpe 0:f5b62bef3680 727 if (char_x + hor > width()) {
dreschpe 0:f5b62bef3680 728 char_x = 0;
dreschpe 0:f5b62bef3680 729 char_y = char_y + vert;
dreschpe 0:f5b62bef3680 730 if (char_y >= height() - font[2]) {
dreschpe 0:f5b62bef3680 731 char_y = 0;
dreschpe 0:f5b62bef3680 732 }
dreschpe 0:f5b62bef3680 733 }
dreschpe 0:f5b62bef3680 734
dreschpe 0:f5b62bef3680 735 pixel = hor * vert; // calculate buffer size
dreschpe 0:f5b62bef3680 736 // pc.printf("malloc(%i)\n\r",pixel);
dreschpe 0:f5b62bef3680 737 buffer = (uint16_t *) malloc (pixel); // we need a buffer for the character
dreschpe 0:f5b62bef3680 738 if (buffer == NULL) {
dreschpe 0:f5b62bef3680 739 led = 1;
dreschpe 0:f5b62bef3680 740 pc.printf("Malloc error !\n\r");
dreschpe 0:f5b62bef3680 741 return; // error no memory
dreschpe 0:f5b62bef3680 742 }
dreschpe 0:f5b62bef3680 743 // pc.printf("buffer %x\n\r",buffer);
dreschpe 0:f5b62bef3680 744 window(char_x, char_y,hor,vert); // char box
dreschpe 0:f5b62bef3680 745 wr_cmd(0x22);
dreschpe 0:f5b62bef3680 746 wr_dat_start();
dreschpe 0:f5b62bef3680 747 zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap
dreschpe 0:f5b62bef3680 748 w = zeichen[0]; // width of actual char
dreschpe 0:f5b62bef3680 749 _spi.format(16,3); // pixel are 16 bit
dreschpe 0:f5b62bef3680 750 p = 0;
dreschpe 0:f5b62bef3680 751 //pc.printf("write buffer\n\r");
dreschpe 0:f5b62bef3680 752 // construct the char into the buffer
dreschpe 0:f5b62bef3680 753 for (j=0; j<vert; j++) { // vert line
dreschpe 0:f5b62bef3680 754 for (i=0; i<hor; i++) { // horz line
dreschpe 0:f5b62bef3680 755 z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1];
dreschpe 0:f5b62bef3680 756 b = 1 << (j & 0x07);
dreschpe 0:f5b62bef3680 757 if (( z & b ) == 0x00) {
dreschpe 0:f5b62bef3680 758 buffer[p] = _background;
dreschpe 0:f5b62bef3680 759 //_spi.write(_background);
dreschpe 0:f5b62bef3680 760 } else {
dreschpe 0:f5b62bef3680 761 buffer[p] = _foreground;
dreschpe 0:f5b62bef3680 762 //_spi.write(_foreground);
dreschpe 0:f5b62bef3680 763 }
dreschpe 0:f5b62bef3680 764 p++;
dreschpe 0:f5b62bef3680 765 }
dreschpe 0:f5b62bef3680 766 }
dreschpe 0:f5b62bef3680 767 dma_off = 0;
dreschpe 0:f5b62bef3680 768 // copy the buffer with DMA to SPI
dreschpe 0:f5b62bef3680 769 // pc.printf("start DMA\n\r");
dreschpe 0:f5b62bef3680 770 do {
dreschpe 0:f5b62bef3680 771 if (pixel > 4095) { // this is a giant font !
dreschpe 0:f5b62bef3680 772 dma_count = 4095;
dreschpe 0:f5b62bef3680 773 pixel = pixel - 4095;
dreschpe 0:f5b62bef3680 774 } else {
dreschpe 0:f5b62bef3680 775 dma_count = pixel;
dreschpe 0:f5b62bef3680 776 pixel = 0;
dreschpe 0:f5b62bef3680 777 }
dreschpe 0:f5b62bef3680 778 LPC_GPDMA->DMACIntTCClear = 0x1;
dreschpe 0:f5b62bef3680 779 LPC_GPDMA->DMACIntErrClr = 0x1;
dreschpe 0:f5b62bef3680 780 LPC_GPDMACH0->DMACCSrcAddr = (uint32_t) (buffer + dma_off);
dreschpe 0:f5b62bef3680 781 LPC_GPDMACH0->DMACCControl = dma_count | (1UL << 18) | (1UL << 21) | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 16 bit transfer , address increment, interrupt
dreschpe 0:f5b62bef3680 782 LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P ;
dreschpe 0:f5b62bef3680 783 LPC_GPDMA->DMACSoftSReq = 0x1;
dreschpe 0:f5b62bef3680 784 do {
dreschpe 0:f5b62bef3680 785 } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
dreschpe 0:f5b62bef3680 786 dma_off = dma_off + dma_count;
dreschpe 0:f5b62bef3680 787 } while (pixel > 0);
dreschpe 0:f5b62bef3680 788 // pc.printf("free %x\n\r",buffer);
dreschpe 0:f5b62bef3680 789 free ((uint16_t *) buffer);
dreschpe 0:f5b62bef3680 790
dreschpe 0:f5b62bef3680 791 if(spi_port == 0){ // TFT on SSP0
dreschpe 0:f5b62bef3680 792 do {
dreschpe 0:f5b62bef3680 793 } while ((LPC_SSP0->SR & 0x01) == 0); // SPI FIFO not empty
dreschpe 0:f5b62bef3680 794 }
dreschpe 0:f5b62bef3680 795 else{
dreschpe 0:f5b62bef3680 796 do {
dreschpe 0:f5b62bef3680 797 } while ((LPC_SSP1->SR & 0x01) == 0); // SPI FIFO not empty
dreschpe 0:f5b62bef3680 798 }
dreschpe 0:f5b62bef3680 799
dreschpe 0:f5b62bef3680 800 _spi.format(8,3); // 8 bit
dreschpe 0:f5b62bef3680 801 wr_dat_stop();
dreschpe 0:f5b62bef3680 802 WindowMax();
dreschpe 0:f5b62bef3680 803 if ((w + 2) < hor) { // x offset to next char
dreschpe 0:f5b62bef3680 804 char_x += w + 2;
dreschpe 0:f5b62bef3680 805 } else char_x += hor;
dreschpe 0:f5b62bef3680 806
dreschpe 0:f5b62bef3680 807 }
dreschpe 0:f5b62bef3680 808
dreschpe 0:f5b62bef3680 809
dreschpe 0:f5b62bef3680 810
dreschpe 0:f5b62bef3680 811
dreschpe 0:f5b62bef3680 812
dreschpe 0:f5b62bef3680 813 void SPI_TFT::set_font(unsigned char* f) {
dreschpe 0:f5b62bef3680 814 font = f;
dreschpe 0:f5b62bef3680 815 }
dreschpe 0:f5b62bef3680 816
dreschpe 0:f5b62bef3680 817
dreschpe 0:f5b62bef3680 818
dreschpe 0:f5b62bef3680 819 void SPI_TFT::Bitmap(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *bitmap) {
dreschpe 0:f5b62bef3680 820 unsigned int j;
dreschpe 0:f5b62bef3680 821 int padd;
dreschpe 0:f5b62bef3680 822 unsigned short *bitmap_ptr = (unsigned short *)bitmap;
dreschpe 0:f5b62bef3680 823 // the lines are padded to multiple of 4 bytes in a bitmap
dreschpe 0:f5b62bef3680 824 padd = -1;
dreschpe 0:f5b62bef3680 825 do {
dreschpe 0:f5b62bef3680 826 padd ++;
dreschpe 0:f5b62bef3680 827 } while (2*(w + padd)%4 != 0);
dreschpe 0:f5b62bef3680 828 window(x, y, w, h);
dreschpe 0:f5b62bef3680 829 wr_cmd(0x22);
dreschpe 0:f5b62bef3680 830 wr_dat_start();
dreschpe 0:f5b62bef3680 831 _spi.format(16,3);
dreschpe 0:f5b62bef3680 832 bitmap_ptr += ((h - 1)* (w + padd));
dreschpe 0:f5b62bef3680 833 //bitmap_ptr -= padd;
dreschpe 0:f5b62bef3680 834 for (j = 0; j < h; j++) { //Lines
dreschpe 0:f5b62bef3680 835 LPC_GPDMA->DMACIntTCClear = 0x1;
dreschpe 0:f5b62bef3680 836 LPC_GPDMA->DMACIntErrClr = 0x1;
dreschpe 0:f5b62bef3680 837 LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)bitmap_ptr;
dreschpe 0:f5b62bef3680 838 LPC_GPDMACH0->DMACCControl = w | (1UL << 18) | (1UL << 21) | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 16 bit transfer , address increment, interrupt
dreschpe 0:f5b62bef3680 839 LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P ;
dreschpe 0:f5b62bef3680 840 LPC_GPDMA->DMACSoftSReq = 0x1;
dreschpe 0:f5b62bef3680 841 do {
dreschpe 0:f5b62bef3680 842 } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
dreschpe 0:f5b62bef3680 843
dreschpe 0:f5b62bef3680 844 //for (i = 0; i < w; i++) { // copy pixel data to TFT
dreschpe 0:f5b62bef3680 845 // _spi.write(*bitmap_ptr); // one line
dreschpe 0:f5b62bef3680 846 // bitmap_ptr++;
dreschpe 0:f5b62bef3680 847 //}
dreschpe 0:f5b62bef3680 848 bitmap_ptr -= w;
dreschpe 0:f5b62bef3680 849 bitmap_ptr -= padd;
dreschpe 0:f5b62bef3680 850 }
dreschpe 0:f5b62bef3680 851
dreschpe 0:f5b62bef3680 852 if(spi_port == 0){ // TFT on SSP0
dreschpe 0:f5b62bef3680 853 do {
dreschpe 0:f5b62bef3680 854 } while ((LPC_SSP0->SR & 0x01) == 0); // SPI FIFO not empty
dreschpe 0:f5b62bef3680 855 }
dreschpe 0:f5b62bef3680 856 else{
dreschpe 0:f5b62bef3680 857 do {
dreschpe 0:f5b62bef3680 858 } while ((LPC_SSP1->SR & 0x01) == 0); // SPI FIFO not empty
dreschpe 0:f5b62bef3680 859 }
dreschpe 0:f5b62bef3680 860
dreschpe 0:f5b62bef3680 861 _spi.format(8,3);
dreschpe 0:f5b62bef3680 862 wr_dat_stop();
dreschpe 0:f5b62bef3680 863 WindowMax();
dreschpe 0:f5b62bef3680 864 }
dreschpe 0:f5b62bef3680 865
dreschpe 0:f5b62bef3680 866
dreschpe 0:f5b62bef3680 867 int SPI_TFT::BMP_16(unsigned int x, unsigned int y, const char *Name_BMP) {
dreschpe 0:f5b62bef3680 868
dreschpe 0:f5b62bef3680 869 #define OffsetPixelWidth 18
dreschpe 0:f5b62bef3680 870 #define OffsetPixelHeigh 22
dreschpe 0:f5b62bef3680 871 #define OffsetFileSize 34
dreschpe 0:f5b62bef3680 872 #define OffsetPixData 10
dreschpe 0:f5b62bef3680 873 #define OffsetBPP 28
dreschpe 0:f5b62bef3680 874
dreschpe 0:f5b62bef3680 875 char filename[50];
dreschpe 0:f5b62bef3680 876 unsigned char BMP_Header[54];
dreschpe 0:f5b62bef3680 877 unsigned short BPP_t;
dreschpe 0:f5b62bef3680 878 unsigned int PixelWidth,PixelHeigh,start_data;
dreschpe 0:f5b62bef3680 879 unsigned int i,off;
dreschpe 0:f5b62bef3680 880 int padd,j;
dreschpe 0:f5b62bef3680 881 unsigned short *line;
dreschpe 0:f5b62bef3680 882
dreschpe 0:f5b62bef3680 883 // get the filename
dreschpe 0:f5b62bef3680 884 LocalFileSystem local("local");
dreschpe 0:f5b62bef3680 885 sprintf(&filename[0],"/local/");
dreschpe 0:f5b62bef3680 886 i=7;
dreschpe 0:f5b62bef3680 887 while (*Name_BMP!='\0') {
dreschpe 0:f5b62bef3680 888 filename[i++]=*Name_BMP++;
dreschpe 0:f5b62bef3680 889 }
dreschpe 0:f5b62bef3680 890 FILE *Image = fopen((const char *)&filename[0], "r"); // open the bmp file
dreschpe 0:f5b62bef3680 891 if (!Image) {
dreschpe 0:f5b62bef3680 892 return(0); // error file not found !
dreschpe 0:f5b62bef3680 893 }
dreschpe 0:f5b62bef3680 894
dreschpe 0:f5b62bef3680 895 fread(&BMP_Header[0],1,54,Image); // get the BMP Header
dreschpe 0:f5b62bef3680 896
dreschpe 0:f5b62bef3680 897 if (BMP_Header[0] != 0x42 || BMP_Header[1] != 0x4D) { // check magic byte
dreschpe 0:f5b62bef3680 898 fclose(Image);
dreschpe 0:f5b62bef3680 899 return(-1); // error no BMP file
dreschpe 0:f5b62bef3680 900 }
dreschpe 0:f5b62bef3680 901
dreschpe 0:f5b62bef3680 902 BPP_t = BMP_Header[OffsetBPP] + (BMP_Header[OffsetBPP + 1] << 8);
dreschpe 0:f5b62bef3680 903 if (BPP_t != 0x0010) {
dreschpe 0:f5b62bef3680 904 fclose(Image);
dreschpe 0:f5b62bef3680 905 return(-2); // error no 16 bit BMP
dreschpe 0:f5b62bef3680 906 }
dreschpe 0:f5b62bef3680 907
dreschpe 0:f5b62bef3680 908 PixelHeigh = BMP_Header[OffsetPixelHeigh] + (BMP_Header[OffsetPixelHeigh + 1] << 8) + (BMP_Header[OffsetPixelHeigh + 2] << 16) + (BMP_Header[OffsetPixelHeigh + 3] << 24);
dreschpe 0:f5b62bef3680 909 PixelWidth = BMP_Header[OffsetPixelWidth] + (BMP_Header[OffsetPixelWidth + 1] << 8) + (BMP_Header[OffsetPixelWidth + 2] << 16) + (BMP_Header[OffsetPixelWidth + 3] << 24);
dreschpe 0:f5b62bef3680 910 if (PixelHeigh > height() + y || PixelWidth > width() + x) {
dreschpe 0:f5b62bef3680 911 fclose(Image);
dreschpe 0:f5b62bef3680 912 return(-3); // to big
dreschpe 0:f5b62bef3680 913 }
dreschpe 0:f5b62bef3680 914
dreschpe 0:f5b62bef3680 915 start_data = BMP_Header[OffsetPixData] + (BMP_Header[OffsetPixData + 1] << 8) + (BMP_Header[OffsetPixData + 2] << 16) + (BMP_Header[OffsetPixData + 3] << 24);
dreschpe 0:f5b62bef3680 916
dreschpe 0:f5b62bef3680 917 line = (unsigned short *) malloc (PixelWidth); // we need a buffer for a line
dreschpe 0:f5b62bef3680 918 if (line == NULL) {
dreschpe 0:f5b62bef3680 919 return(-4); // error no memory
dreschpe 0:f5b62bef3680 920 }
dreschpe 0:f5b62bef3680 921
dreschpe 0:f5b62bef3680 922 // the lines are padded to multiple of 4 bytes
dreschpe 0:f5b62bef3680 923 padd = -1;
dreschpe 0:f5b62bef3680 924 do {
dreschpe 0:f5b62bef3680 925 padd ++;
dreschpe 0:f5b62bef3680 926 } while ((PixelWidth * 2 + padd)%4 != 0);
dreschpe 0:f5b62bef3680 927
dreschpe 0:f5b62bef3680 928 window(x, y,PixelWidth,PixelHeigh);
dreschpe 0:f5b62bef3680 929 wr_cmd(0x22);
dreschpe 0:f5b62bef3680 930 wr_dat_start();
dreschpe 0:f5b62bef3680 931 _spi.format(16,3);
dreschpe 0:f5b62bef3680 932 for (j = PixelHeigh - 1; j >= 0; j--) { //Lines bottom up
dreschpe 0:f5b62bef3680 933 off = j * (PixelWidth * 2 + padd) + start_data; // start of line
dreschpe 0:f5b62bef3680 934 fseek(Image, off ,SEEK_SET);
dreschpe 0:f5b62bef3680 935 fread(line,1,PixelWidth * 2,Image); // read a line - slow !
dreschpe 0:f5b62bef3680 936 LPC_GPDMA->DMACIntTCClear = 0x1;
dreschpe 0:f5b62bef3680 937 LPC_GPDMA->DMACIntErrClr = 0x1;
dreschpe 0:f5b62bef3680 938 LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)line;
dreschpe 0:f5b62bef3680 939 LPC_GPDMACH0->DMACCControl = PixelWidth | (1UL << 18) | (1UL << 21) | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 16 bit transfer , address increment, interrupt
dreschpe 0:f5b62bef3680 940 LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P ;
dreschpe 0:f5b62bef3680 941 LPC_GPDMA->DMACSoftSReq = 0x1;
dreschpe 0:f5b62bef3680 942 do {
dreschpe 0:f5b62bef3680 943 } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
dreschpe 0:f5b62bef3680 944
dreschpe 0:f5b62bef3680 945 //for (i = 0; i < PixelWidth; i++) { // copy pixel data to TFT
dreschpe 0:f5b62bef3680 946 // _spi.write(line[i]); // one 16 bit pixel
dreschpe 0:f5b62bef3680 947 //}
dreschpe 0:f5b62bef3680 948 }
dreschpe 0:f5b62bef3680 949
dreschpe 0:f5b62bef3680 950 if(spi_port == 0){ // TFT on SSP0
dreschpe 0:f5b62bef3680 951 do {
dreschpe 0:f5b62bef3680 952 } while ((LPC_SSP0->SR & 0x01) == 0); // SPI FIFO not empty
dreschpe 0:f5b62bef3680 953 }
dreschpe 0:f5b62bef3680 954 else{
dreschpe 0:f5b62bef3680 955 do {
dreschpe 0:f5b62bef3680 956 } while ((LPC_SSP1->SR & 0x01) == 0); // SPI FIFO not empty
dreschpe 0:f5b62bef3680 957 }
dreschpe 0:f5b62bef3680 958
dreschpe 0:f5b62bef3680 959 _spi.format(8,3);
dreschpe 0:f5b62bef3680 960 wr_dat_stop();
dreschpe 0:f5b62bef3680 961 free (line);
dreschpe 0:f5b62bef3680 962 fclose(Image);
dreschpe 0:f5b62bef3680 963 WindowMax();
dreschpe 0:f5b62bef3680 964 return(1);
dreschpe 0:f5b62bef3680 965 }