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
SPI_TFT.c@1:aa3356b16080, 2011-07-13 (annotated)
- Committer:
- dreschpe
- Date:
- Wed Jul 13 08:25:10 2011 +0000
- Revision:
- 1:aa3356b16080
- Parent:
- 0:cccc5726bdf3
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Who changed what in which revision?
User | Revision | Line number | New contents of line |
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dreschpe | 0:cccc5726bdf3 | 1 | /* mbed library for 240*320 pixel display TFT based on HX8347D LCD Controller |
dreschpe | 0:cccc5726bdf3 | 2 | * Copyright (c) 2011 Peter Drescher - DC2PD |
dreschpe | 0:cccc5726bdf3 | 3 | * |
dreschpe | 0:cccc5726bdf3 | 4 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
dreschpe | 0:cccc5726bdf3 | 5 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
dreschpe | 0:cccc5726bdf3 | 6 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
dreschpe | 0:cccc5726bdf3 | 7 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
dreschpe | 0:cccc5726bdf3 | 8 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
dreschpe | 0:cccc5726bdf3 | 9 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
dreschpe | 0:cccc5726bdf3 | 10 | * THE SOFTWARE. |
dreschpe | 0:cccc5726bdf3 | 11 | */ |
dreschpe | 0:cccc5726bdf3 | 12 | |
dreschpe | 0:cccc5726bdf3 | 13 | #include "SPI_TFT.h" |
dreschpe | 0:cccc5726bdf3 | 14 | #include "mbed.h" |
dreschpe | 0:cccc5726bdf3 | 15 | |
dreschpe | 0:cccc5726bdf3 | 16 | |
dreschpe | 0:cccc5726bdf3 | 17 | |
dreschpe | 1:aa3356b16080 | 18 | #define BPP 16 // Bits per pixel |
dreschpe | 1:aa3356b16080 | 19 | |
dreschpe | 1:aa3356b16080 | 20 | |
dreschpe | 1:aa3356b16080 | 21 | |
dreschpe | 0:cccc5726bdf3 | 22 | SPI_TFT::SPI_TFT(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset, const char *name) |
dreschpe | 0:cccc5726bdf3 | 23 | : _spi(mosi, miso, sclk), _cs(cs), _reset(reset),GraphicsDisplay(name) { |
dreschpe | 0:cccc5726bdf3 | 24 | tft_reset(); |
dreschpe | 0:cccc5726bdf3 | 25 | orientation = 0; |
dreschpe | 0:cccc5726bdf3 | 26 | char_x = 0; |
dreschpe | 0:cccc5726bdf3 | 27 | } |
dreschpe | 0:cccc5726bdf3 | 28 | |
dreschpe | 0:cccc5726bdf3 | 29 | int SPI_TFT::width() { |
dreschpe | 0:cccc5726bdf3 | 30 | if(orientation == 0 || orientation == 2) return 240; |
dreschpe | 0:cccc5726bdf3 | 31 | else return 320; |
dreschpe | 0:cccc5726bdf3 | 32 | } |
dreschpe | 0:cccc5726bdf3 | 33 | |
dreschpe | 0:cccc5726bdf3 | 34 | |
dreschpe | 0:cccc5726bdf3 | 35 | int SPI_TFT::height() { |
dreschpe | 0:cccc5726bdf3 | 36 | if(orientation == 0 || orientation == 2) return 320; |
dreschpe | 0:cccc5726bdf3 | 37 | else return 240; |
dreschpe | 0:cccc5726bdf3 | 38 | } |
dreschpe | 0:cccc5726bdf3 | 39 | |
dreschpe | 1:aa3356b16080 | 40 | |
dreschpe | 0:cccc5726bdf3 | 41 | |
dreschpe | 0:cccc5726bdf3 | 42 | void SPI_TFT::set_orientation(unsigned int o){ |
dreschpe | 0:cccc5726bdf3 | 43 | orientation = o; |
dreschpe | 0:cccc5726bdf3 | 44 | switch(orientation){ |
dreschpe | 0:cccc5726bdf3 | 45 | case 0: |
dreschpe | 0:cccc5726bdf3 | 46 | wr_reg(0x16, 0x0008); |
dreschpe | 0:cccc5726bdf3 | 47 | break; |
dreschpe | 0:cccc5726bdf3 | 48 | case 1: |
dreschpe | 0:cccc5726bdf3 | 49 | wr_reg(0x16, 0x0068); |
dreschpe | 0:cccc5726bdf3 | 50 | break; |
dreschpe | 0:cccc5726bdf3 | 51 | case 2: |
dreschpe | 0:cccc5726bdf3 | 52 | wr_reg(0x16, 0x00C8); |
dreschpe | 0:cccc5726bdf3 | 53 | break; |
dreschpe | 0:cccc5726bdf3 | 54 | case 3: |
dreschpe | 0:cccc5726bdf3 | 55 | wr_reg(0x16, 0x00A8); |
dreschpe | 0:cccc5726bdf3 | 56 | break; |
dreschpe | 0:cccc5726bdf3 | 57 | } |
dreschpe | 0:cccc5726bdf3 | 58 | } |
dreschpe | 0:cccc5726bdf3 | 59 | |
dreschpe | 1:aa3356b16080 | 60 | |
dreschpe | 0:cccc5726bdf3 | 61 | |
dreschpe | 0:cccc5726bdf3 | 62 | void SPI_TFT::wr_cmd(int cmd) { |
dreschpe | 0:cccc5726bdf3 | 63 | _cs = 0; |
dreschpe | 0:cccc5726bdf3 | 64 | _spi.write(SPI_START | SPI_WR | SPI_INDEX); /* Write : RS = 0, RW = 0 */ |
dreschpe | 0:cccc5726bdf3 | 65 | _spi.write(cmd); |
dreschpe | 0:cccc5726bdf3 | 66 | _cs = 1; |
dreschpe | 0:cccc5726bdf3 | 67 | } |
dreschpe | 0:cccc5726bdf3 | 68 | |
dreschpe | 1:aa3356b16080 | 69 | |
dreschpe | 0:cccc5726bdf3 | 70 | |
dreschpe | 0:cccc5726bdf3 | 71 | void SPI_TFT::wr_dat(int dat) { |
dreschpe | 0:cccc5726bdf3 | 72 | _cs = 0; |
dreschpe | 0:cccc5726bdf3 | 73 | _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0 |
dreschpe | 0:cccc5726bdf3 | 74 | _spi.format(16,3); // switch to 16 bit Mode 3 |
dreschpe | 0:cccc5726bdf3 | 75 | _spi.write(dat); // Write D0..D15 |
dreschpe | 0:cccc5726bdf3 | 76 | _spi.format(8,3); // 8 bit Mode 3 |
dreschpe | 0:cccc5726bdf3 | 77 | _cs = 1; |
dreschpe | 0:cccc5726bdf3 | 78 | } |
dreschpe | 0:cccc5726bdf3 | 79 | |
dreschpe | 1:aa3356b16080 | 80 | |
dreschpe | 0:cccc5726bdf3 | 81 | |
dreschpe | 0:cccc5726bdf3 | 82 | void SPI_TFT::wr_dat_start(void){ |
dreschpe | 0:cccc5726bdf3 | 83 | _cs = 0; |
dreschpe | 0:cccc5726bdf3 | 84 | _spi.write(SPI_START | SPI_WR | SPI_DATA); /* Write : RS = 1, RW = 0 */ |
dreschpe | 0:cccc5726bdf3 | 85 | } |
dreschpe | 0:cccc5726bdf3 | 86 | |
dreschpe | 1:aa3356b16080 | 87 | |
dreschpe | 0:cccc5726bdf3 | 88 | |
dreschpe | 0:cccc5726bdf3 | 89 | void SPI_TFT::wr_dat_stop (void){ |
dreschpe | 0:cccc5726bdf3 | 90 | _cs = 1; |
dreschpe | 0:cccc5726bdf3 | 91 | } |
dreschpe | 0:cccc5726bdf3 | 92 | |
dreschpe | 1:aa3356b16080 | 93 | |
dreschpe | 0:cccc5726bdf3 | 94 | |
dreschpe | 0:cccc5726bdf3 | 95 | void SPI_TFT::wr_dat_only (unsigned short dat) { |
dreschpe | 0:cccc5726bdf3 | 96 | |
dreschpe | 0:cccc5726bdf3 | 97 | _spi.format(16,3); // switch to 16 bit Mode 3 |
dreschpe | 0:cccc5726bdf3 | 98 | _spi.write(dat); // Write D0..D15 |
dreschpe | 0:cccc5726bdf3 | 99 | _spi.format(8,3); // 8 bit Mode 3 |
dreschpe | 0:cccc5726bdf3 | 100 | } |
dreschpe | 0:cccc5726bdf3 | 101 | |
dreschpe | 1:aa3356b16080 | 102 | |
dreschpe | 0:cccc5726bdf3 | 103 | |
dreschpe | 0:cccc5726bdf3 | 104 | unsigned short SPI_TFT::rd_dat (void) { |
dreschpe | 0:cccc5726bdf3 | 105 | unsigned short val = 0; |
dreschpe | 0:cccc5726bdf3 | 106 | |
dreschpe | 0:cccc5726bdf3 | 107 | _cs = 0; |
dreschpe | 0:cccc5726bdf3 | 108 | _spi.write(SPI_START | SPI_RD | SPI_DATA); /* Read: RS = 1, RW = 1 */ |
dreschpe | 0:cccc5726bdf3 | 109 | _spi.write(0); /* Dummy read 1 */ |
dreschpe | 0:cccc5726bdf3 | 110 | val = _spi.write(0); /* Read D8..D15 */ |
dreschpe | 0:cccc5726bdf3 | 111 | val <<= 8; |
dreschpe | 0:cccc5726bdf3 | 112 | val |= _spi.write(0); /* Read D0..D7 */ |
dreschpe | 0:cccc5726bdf3 | 113 | _cs = 1; |
dreschpe | 0:cccc5726bdf3 | 114 | return (val); |
dreschpe | 0:cccc5726bdf3 | 115 | } |
dreschpe | 0:cccc5726bdf3 | 116 | |
dreschpe | 1:aa3356b16080 | 117 | |
dreschpe | 0:cccc5726bdf3 | 118 | |
dreschpe | 0:cccc5726bdf3 | 119 | void SPI_TFT::wr_reg (unsigned char reg, unsigned short val) { |
dreschpe | 0:cccc5726bdf3 | 120 | |
dreschpe | 0:cccc5726bdf3 | 121 | wr_cmd(reg); |
dreschpe | 0:cccc5726bdf3 | 122 | wr_dat(val); |
dreschpe | 0:cccc5726bdf3 | 123 | } |
dreschpe | 0:cccc5726bdf3 | 124 | |
dreschpe | 1:aa3356b16080 | 125 | |
dreschpe | 0:cccc5726bdf3 | 126 | |
dreschpe | 0:cccc5726bdf3 | 127 | unsigned short SPI_TFT::rd_reg (unsigned char reg) { |
dreschpe | 0:cccc5726bdf3 | 128 | |
dreschpe | 0:cccc5726bdf3 | 129 | wr_cmd(reg); |
dreschpe | 0:cccc5726bdf3 | 130 | return(rd_dat()); |
dreschpe | 0:cccc5726bdf3 | 131 | } |
dreschpe | 0:cccc5726bdf3 | 132 | |
dreschpe | 1:aa3356b16080 | 133 | |
dreschpe | 0:cccc5726bdf3 | 134 | |
dreschpe | 0:cccc5726bdf3 | 135 | void SPI_TFT::tft_reset() { |
dreschpe | 0:cccc5726bdf3 | 136 | static unsigned short driverCode; |
dreschpe | 0:cccc5726bdf3 | 137 | _spi.format(8,3); // 8 bit spi mode 3 |
dreschpe | 0:cccc5726bdf3 | 138 | _spi.frequency(48000000); // 48Mhz SPI clock |
dreschpe | 0:cccc5726bdf3 | 139 | _reset = 0; // reset |
dreschpe | 0:cccc5726bdf3 | 140 | _cs = 1; |
dreschpe | 0:cccc5726bdf3 | 141 | wait_us(50); |
dreschpe | 0:cccc5726bdf3 | 142 | _reset = 1; // end reset |
dreschpe | 0:cccc5726bdf3 | 143 | wait_ms(5); |
dreschpe | 0:cccc5726bdf3 | 144 | |
dreschpe | 0:cccc5726bdf3 | 145 | driverCode = rd_reg(0x00); // read controller ID |
dreschpe | 0:cccc5726bdf3 | 146 | //printf("Disp_ID = %x",driverCode); |
dreschpe | 0:cccc5726bdf3 | 147 | |
dreschpe | 0:cccc5726bdf3 | 148 | /* Start Initial Sequence ----------------------------------------------------*/ |
dreschpe | 0:cccc5726bdf3 | 149 | wr_reg(0xEA, 0x0000); /* Reset Power Control 1 */ |
dreschpe | 0:cccc5726bdf3 | 150 | wr_reg(0xEB, 0x0020); /* Power Control 2 */ |
dreschpe | 0:cccc5726bdf3 | 151 | wr_reg(0xEC, 0x000C); /* Power Control 3 */ |
dreschpe | 0:cccc5726bdf3 | 152 | wr_reg(0xED, 0x00C4); /* Power Control 4 */ |
dreschpe | 0:cccc5726bdf3 | 153 | wr_reg(0xE8, 0x0040); /* Source OPON_N */ |
dreschpe | 0:cccc5726bdf3 | 154 | wr_reg(0xE9, 0x0038); /* Source OPON_I */ |
dreschpe | 0:cccc5726bdf3 | 155 | wr_reg(0xF1, 0x0001); /* */ |
dreschpe | 0:cccc5726bdf3 | 156 | wr_reg(0xF2, 0x0010); /* */ |
dreschpe | 0:cccc5726bdf3 | 157 | wr_reg(0x27, 0x00A3); /* Display Control 2 */ |
dreschpe | 0:cccc5726bdf3 | 158 | |
dreschpe | 0:cccc5726bdf3 | 159 | /* Power On sequence ---------------------------------------------------------*/ |
dreschpe | 0:cccc5726bdf3 | 160 | wr_reg(0x1B, 0x001B); /* Power Control 2 */ |
dreschpe | 0:cccc5726bdf3 | 161 | wr_reg(0x1A, 0x0001); /* Power Control 1 */ |
dreschpe | 0:cccc5726bdf3 | 162 | wr_reg(0x24, 0x002F); /* Vcom Control 2 */ |
dreschpe | 0:cccc5726bdf3 | 163 | wr_reg(0x25, 0x0057); /* Vcom Control 3 */ |
dreschpe | 0:cccc5726bdf3 | 164 | wr_reg(0x23, 0x008D); /* Vcom Control 1 */ |
dreschpe | 0:cccc5726bdf3 | 165 | |
dreschpe | 0:cccc5726bdf3 | 166 | /* Gamma settings -----------------------------------------------------------*/ |
dreschpe | 0:cccc5726bdf3 | 167 | wr_reg(0x40,0x00); // |
dreschpe | 0:cccc5726bdf3 | 168 | wr_reg(0x41,0x00); // |
dreschpe | 0:cccc5726bdf3 | 169 | wr_reg(0x42,0x01); // |
dreschpe | 0:cccc5726bdf3 | 170 | wr_reg(0x43,0x13); // |
dreschpe | 0:cccc5726bdf3 | 171 | wr_reg(0x44,0x10); // |
dreschpe | 0:cccc5726bdf3 | 172 | wr_reg(0x45,0x26); // |
dreschpe | 0:cccc5726bdf3 | 173 | wr_reg(0x46,0x08); // |
dreschpe | 0:cccc5726bdf3 | 174 | wr_reg(0x47,0x51); // |
dreschpe | 0:cccc5726bdf3 | 175 | wr_reg(0x48,0x02); // |
dreschpe | 0:cccc5726bdf3 | 176 | wr_reg(0x49,0x12); // |
dreschpe | 0:cccc5726bdf3 | 177 | wr_reg(0x4A,0x18); // |
dreschpe | 0:cccc5726bdf3 | 178 | wr_reg(0x4B,0x19); // |
dreschpe | 0:cccc5726bdf3 | 179 | wr_reg(0x4C,0x14); // |
dreschpe | 0:cccc5726bdf3 | 180 | wr_reg(0x50,0x19); // |
dreschpe | 0:cccc5726bdf3 | 181 | wr_reg(0x51,0x2F); // |
dreschpe | 0:cccc5726bdf3 | 182 | wr_reg(0x52,0x2C); // |
dreschpe | 0:cccc5726bdf3 | 183 | wr_reg(0x53,0x3E); // |
dreschpe | 0:cccc5726bdf3 | 184 | wr_reg(0x54,0x3F); // |
dreschpe | 0:cccc5726bdf3 | 185 | wr_reg(0x55,0x3F); // |
dreschpe | 0:cccc5726bdf3 | 186 | wr_reg(0x56,0x2E); // |
dreschpe | 0:cccc5726bdf3 | 187 | wr_reg(0x57,0x77); // |
dreschpe | 0:cccc5726bdf3 | 188 | wr_reg(0x58,0x0B); // |
dreschpe | 0:cccc5726bdf3 | 189 | wr_reg(0x59,0x06); // |
dreschpe | 0:cccc5726bdf3 | 190 | wr_reg(0x5A,0x07); // |
dreschpe | 0:cccc5726bdf3 | 191 | wr_reg(0x5B,0x0D); // |
dreschpe | 0:cccc5726bdf3 | 192 | wr_reg(0x5C,0x1D); // |
dreschpe | 0:cccc5726bdf3 | 193 | wr_reg(0x5D,0xCC); // |
dreschpe | 0:cccc5726bdf3 | 194 | |
dreschpe | 0:cccc5726bdf3 | 195 | /* Power + Osc ---------------------------------------------------------------*/ |
dreschpe | 0:cccc5726bdf3 | 196 | wr_reg(0x18, 0x0036); /* OSC Control 1 */ |
dreschpe | 0:cccc5726bdf3 | 197 | wr_reg(0x19, 0x0001); /* OSC Control 2 */ |
dreschpe | 0:cccc5726bdf3 | 198 | wr_reg(0x01, 0x0000); /* Display Mode Control */ |
dreschpe | 0:cccc5726bdf3 | 199 | wr_reg(0x1F, 0x0088); /* Power Control 6 */ |
dreschpe | 0:cccc5726bdf3 | 200 | wait_ms(5); /* Delay 5 ms */ |
dreschpe | 0:cccc5726bdf3 | 201 | wr_reg(0x1F, 0x0080); /* Power Control 6 */ |
dreschpe | 0:cccc5726bdf3 | 202 | wait_ms(5); /* Delay 5 ms */ |
dreschpe | 0:cccc5726bdf3 | 203 | wr_reg(0x1F, 0x0090); /* Power Control 6 */ |
dreschpe | 0:cccc5726bdf3 | 204 | wait_ms(5); /* Delay 5 ms */ |
dreschpe | 0:cccc5726bdf3 | 205 | wr_reg(0x1F, 0x00D0); /* Power Control 6 */ |
dreschpe | 0:cccc5726bdf3 | 206 | wait_ms(5); /* Delay 5 ms */ |
dreschpe | 0:cccc5726bdf3 | 207 | |
dreschpe | 0:cccc5726bdf3 | 208 | wr_reg(0x17, 0x0005); /* Colmod 16Bit/Pixel */ |
dreschpe | 0:cccc5726bdf3 | 209 | |
dreschpe | 0:cccc5726bdf3 | 210 | wr_reg(0x36, 0x0000); /* Panel Characteristic */ |
dreschpe | 0:cccc5726bdf3 | 211 | wr_reg(0x28, 0x0038); /* Display Control 3 */ |
dreschpe | 0:cccc5726bdf3 | 212 | wait_ms(40); |
dreschpe | 0:cccc5726bdf3 | 213 | wr_reg(0x28, 0x003C); /* Display Control 3 */ |
dreschpe | 0:cccc5726bdf3 | 214 | switch(orientation){ |
dreschpe | 0:cccc5726bdf3 | 215 | case 0: |
dreschpe | 0:cccc5726bdf3 | 216 | wr_reg(0x16, 0x0008); |
dreschpe | 0:cccc5726bdf3 | 217 | break; |
dreschpe | 0:cccc5726bdf3 | 218 | case 1: |
dreschpe | 0:cccc5726bdf3 | 219 | wr_reg(0x16, 0x0068); |
dreschpe | 0:cccc5726bdf3 | 220 | break; |
dreschpe | 0:cccc5726bdf3 | 221 | case 2: |
dreschpe | 0:cccc5726bdf3 | 222 | wr_reg(0x16, 0x00C8); |
dreschpe | 0:cccc5726bdf3 | 223 | break; |
dreschpe | 0:cccc5726bdf3 | 224 | case 3: |
dreschpe | 0:cccc5726bdf3 | 225 | wr_reg(0x16, 0x00A8); |
dreschpe | 0:cccc5726bdf3 | 226 | break; |
dreschpe | 0:cccc5726bdf3 | 227 | } |
dreschpe | 0:cccc5726bdf3 | 228 | |
dreschpe | 0:cccc5726bdf3 | 229 | WindowMax (); |
dreschpe | 0:cccc5726bdf3 | 230 | } |
dreschpe | 0:cccc5726bdf3 | 231 | |
dreschpe | 0:cccc5726bdf3 | 232 | |
dreschpe | 1:aa3356b16080 | 233 | |
dreschpe | 0:cccc5726bdf3 | 234 | |
dreschpe | 0:cccc5726bdf3 | 235 | void SPI_TFT::pixel(int x, int y, int color) { |
dreschpe | 0:cccc5726bdf3 | 236 | wr_reg(0x03, (x >> 0)); |
dreschpe | 0:cccc5726bdf3 | 237 | wr_reg(0x02, (x >> 8)); |
dreschpe | 0:cccc5726bdf3 | 238 | wr_reg(0x07, (y >> 0)); |
dreschpe | 0:cccc5726bdf3 | 239 | wr_reg(0x06, (y >> 8)); |
dreschpe | 0:cccc5726bdf3 | 240 | wr_cmd(0x22); |
dreschpe | 0:cccc5726bdf3 | 241 | wr_dat(color); |
dreschpe | 0:cccc5726bdf3 | 242 | } |
dreschpe | 0:cccc5726bdf3 | 243 | |
dreschpe | 0:cccc5726bdf3 | 244 | |
dreschpe | 1:aa3356b16080 | 245 | |
dreschpe | 0:cccc5726bdf3 | 246 | |
dreschpe | 0:cccc5726bdf3 | 247 | void SPI_TFT::window (unsigned int x, unsigned int y, unsigned int w, unsigned int h) { |
dreschpe | 0:cccc5726bdf3 | 248 | wr_reg(0x03, (x >> 0)); |
dreschpe | 0:cccc5726bdf3 | 249 | wr_reg(0x02, (x >> 8)); |
dreschpe | 0:cccc5726bdf3 | 250 | wr_reg(0x05, (x+w-1 >> 0)); |
dreschpe | 0:cccc5726bdf3 | 251 | wr_reg(0x04, (x+w-1 >> 8)); |
dreschpe | 0:cccc5726bdf3 | 252 | wr_reg(0x07, ( y >> 0)); |
dreschpe | 0:cccc5726bdf3 | 253 | wr_reg(0x06, ( y >> 8)); |
dreschpe | 0:cccc5726bdf3 | 254 | wr_reg(0x09, ( y+h-1 >> 0)); |
dreschpe | 0:cccc5726bdf3 | 255 | wr_reg(0x08, ( y+h-1 >> 8)); |
dreschpe | 0:cccc5726bdf3 | 256 | //wr_cmd(0x22); |
dreschpe | 0:cccc5726bdf3 | 257 | } |
dreschpe | 0:cccc5726bdf3 | 258 | |
dreschpe | 0:cccc5726bdf3 | 259 | |
dreschpe | 0:cccc5726bdf3 | 260 | |
dreschpe | 1:aa3356b16080 | 261 | |
dreschpe | 0:cccc5726bdf3 | 262 | |
dreschpe | 0:cccc5726bdf3 | 263 | void SPI_TFT::WindowMax (void) { |
dreschpe | 0:cccc5726bdf3 | 264 | window (0, 0, width(), height()); |
dreschpe | 0:cccc5726bdf3 | 265 | } |
dreschpe | 0:cccc5726bdf3 | 266 | |
dreschpe | 0:cccc5726bdf3 | 267 | |
dreschpe | 1:aa3356b16080 | 268 | |
dreschpe | 0:cccc5726bdf3 | 269 | void SPI_TFT::cls (void) { |
dreschpe | 0:cccc5726bdf3 | 270 | unsigned int i; |
dreschpe | 0:cccc5726bdf3 | 271 | WindowMax(); |
dreschpe | 0:cccc5726bdf3 | 272 | wr_cmd(0x22); |
dreschpe | 0:cccc5726bdf3 | 273 | wr_dat_start(); |
dreschpe | 0:cccc5726bdf3 | 274 | _spi.format(16,3); // 16 bit Mode 3 |
dreschpe | 0:cccc5726bdf3 | 275 | for(i = 0; i < ( width() * height()); i++) |
dreschpe | 0:cccc5726bdf3 | 276 | _spi.write(_background); |
dreschpe | 0:cccc5726bdf3 | 277 | _spi.format(8,3); // 8 bit Mode 3 |
dreschpe | 0:cccc5726bdf3 | 278 | wr_dat_stop(); |
dreschpe | 0:cccc5726bdf3 | 279 | } |
dreschpe | 0:cccc5726bdf3 | 280 | |
dreschpe | 0:cccc5726bdf3 | 281 | |
dreschpe | 1:aa3356b16080 | 282 | |
dreschpe | 0:cccc5726bdf3 | 283 | void SPI_TFT::circle(int x0, int y0, int r, int color) { |
dreschpe | 0:cccc5726bdf3 | 284 | |
dreschpe | 0:cccc5726bdf3 | 285 | int draw_x0, draw_y0; |
dreschpe | 0:cccc5726bdf3 | 286 | int draw_x1, draw_y1; |
dreschpe | 0:cccc5726bdf3 | 287 | int draw_x2, draw_y2; |
dreschpe | 0:cccc5726bdf3 | 288 | int draw_x3, draw_y3; |
dreschpe | 0:cccc5726bdf3 | 289 | int draw_x4, draw_y4; |
dreschpe | 0:cccc5726bdf3 | 290 | int draw_x5, draw_y5; |
dreschpe | 0:cccc5726bdf3 | 291 | int draw_x6, draw_y6; |
dreschpe | 0:cccc5726bdf3 | 292 | int draw_x7, draw_y7; |
dreschpe | 0:cccc5726bdf3 | 293 | int xx, yy; |
dreschpe | 0:cccc5726bdf3 | 294 | int di; |
dreschpe | 0:cccc5726bdf3 | 295 | WindowMax(); |
dreschpe | 0:cccc5726bdf3 | 296 | if(r == 0) /* no radius */ |
dreschpe | 0:cccc5726bdf3 | 297 | { |
dreschpe | 0:cccc5726bdf3 | 298 | return; |
dreschpe | 0:cccc5726bdf3 | 299 | } |
dreschpe | 0:cccc5726bdf3 | 300 | |
dreschpe | 0:cccc5726bdf3 | 301 | draw_x0 = draw_x1 = x0; |
dreschpe | 0:cccc5726bdf3 | 302 | draw_y0 = draw_y1 = y0 + r; |
dreschpe | 0:cccc5726bdf3 | 303 | if(draw_y0 < height()) |
dreschpe | 0:cccc5726bdf3 | 304 | { |
dreschpe | 0:cccc5726bdf3 | 305 | pixel(draw_x0, draw_y0, color); /* 90 degree */ |
dreschpe | 0:cccc5726bdf3 | 306 | } |
dreschpe | 0:cccc5726bdf3 | 307 | |
dreschpe | 0:cccc5726bdf3 | 308 | draw_x2 = draw_x3 = x0; |
dreschpe | 0:cccc5726bdf3 | 309 | draw_y2 = draw_y3 = y0 - r; |
dreschpe | 0:cccc5726bdf3 | 310 | if(draw_y2 >= 0) |
dreschpe | 0:cccc5726bdf3 | 311 | { |
dreschpe | 0:cccc5726bdf3 | 312 | pixel(draw_x2, draw_y2, color); /* 270 degree */ |
dreschpe | 0:cccc5726bdf3 | 313 | } |
dreschpe | 0:cccc5726bdf3 | 314 | |
dreschpe | 0:cccc5726bdf3 | 315 | draw_x4 = draw_x6 = x0 + r; |
dreschpe | 0:cccc5726bdf3 | 316 | draw_y4 = draw_y6 = y0; |
dreschpe | 0:cccc5726bdf3 | 317 | if(draw_x4 < width()) |
dreschpe | 0:cccc5726bdf3 | 318 | { |
dreschpe | 0:cccc5726bdf3 | 319 | pixel(draw_x4, draw_y4, color); /* 0 degree */ |
dreschpe | 0:cccc5726bdf3 | 320 | } |
dreschpe | 0:cccc5726bdf3 | 321 | |
dreschpe | 0:cccc5726bdf3 | 322 | draw_x5 = draw_x7 = x0 - r; |
dreschpe | 0:cccc5726bdf3 | 323 | draw_y5 = draw_y7 = y0; |
dreschpe | 0:cccc5726bdf3 | 324 | if(draw_x5>=0) |
dreschpe | 0:cccc5726bdf3 | 325 | { |
dreschpe | 0:cccc5726bdf3 | 326 | pixel(draw_x5, draw_y5, color); /* 180 degree */ |
dreschpe | 0:cccc5726bdf3 | 327 | } |
dreschpe | 0:cccc5726bdf3 | 328 | |
dreschpe | 0:cccc5726bdf3 | 329 | if(r == 1) |
dreschpe | 0:cccc5726bdf3 | 330 | { |
dreschpe | 0:cccc5726bdf3 | 331 | return; |
dreschpe | 0:cccc5726bdf3 | 332 | } |
dreschpe | 0:cccc5726bdf3 | 333 | |
dreschpe | 0:cccc5726bdf3 | 334 | di = 3 - 2*r; |
dreschpe | 0:cccc5726bdf3 | 335 | xx = 0; |
dreschpe | 0:cccc5726bdf3 | 336 | yy = r; |
dreschpe | 0:cccc5726bdf3 | 337 | while(xx < yy) |
dreschpe | 0:cccc5726bdf3 | 338 | { |
dreschpe | 0:cccc5726bdf3 | 339 | |
dreschpe | 0:cccc5726bdf3 | 340 | if(di < 0) |
dreschpe | 0:cccc5726bdf3 | 341 | { |
dreschpe | 0:cccc5726bdf3 | 342 | di += 4*xx + 6; |
dreschpe | 0:cccc5726bdf3 | 343 | } |
dreschpe | 0:cccc5726bdf3 | 344 | else |
dreschpe | 0:cccc5726bdf3 | 345 | { |
dreschpe | 0:cccc5726bdf3 | 346 | di += 4*(xx - yy) + 10; |
dreschpe | 0:cccc5726bdf3 | 347 | yy--; |
dreschpe | 0:cccc5726bdf3 | 348 | draw_y0--; |
dreschpe | 0:cccc5726bdf3 | 349 | draw_y1--; |
dreschpe | 0:cccc5726bdf3 | 350 | draw_y2++; |
dreschpe | 0:cccc5726bdf3 | 351 | draw_y3++; |
dreschpe | 0:cccc5726bdf3 | 352 | draw_x4--; |
dreschpe | 0:cccc5726bdf3 | 353 | draw_x5++; |
dreschpe | 0:cccc5726bdf3 | 354 | draw_x6--; |
dreschpe | 0:cccc5726bdf3 | 355 | draw_x7++; |
dreschpe | 0:cccc5726bdf3 | 356 | } |
dreschpe | 0:cccc5726bdf3 | 357 | xx++; |
dreschpe | 0:cccc5726bdf3 | 358 | draw_x0++; |
dreschpe | 0:cccc5726bdf3 | 359 | draw_x1--; |
dreschpe | 0:cccc5726bdf3 | 360 | draw_x2++; |
dreschpe | 0:cccc5726bdf3 | 361 | draw_x3--; |
dreschpe | 0:cccc5726bdf3 | 362 | draw_y4++; |
dreschpe | 0:cccc5726bdf3 | 363 | draw_y5++; |
dreschpe | 0:cccc5726bdf3 | 364 | draw_y6--; |
dreschpe | 0:cccc5726bdf3 | 365 | draw_y7--; |
dreschpe | 0:cccc5726bdf3 | 366 | |
dreschpe | 0:cccc5726bdf3 | 367 | if( (draw_x0 <= width()) && (draw_y0>=0) ) |
dreschpe | 0:cccc5726bdf3 | 368 | { |
dreschpe | 0:cccc5726bdf3 | 369 | pixel(draw_x0, draw_y0, color); |
dreschpe | 0:cccc5726bdf3 | 370 | } |
dreschpe | 0:cccc5726bdf3 | 371 | |
dreschpe | 0:cccc5726bdf3 | 372 | if( (draw_x1 >= 0) && (draw_y1 >= 0) ) |
dreschpe | 0:cccc5726bdf3 | 373 | { |
dreschpe | 0:cccc5726bdf3 | 374 | pixel(draw_x1, draw_y1, color); |
dreschpe | 0:cccc5726bdf3 | 375 | } |
dreschpe | 0:cccc5726bdf3 | 376 | |
dreschpe | 0:cccc5726bdf3 | 377 | if( (draw_x2 <= width()) && (draw_y2 <= height()) ) |
dreschpe | 0:cccc5726bdf3 | 378 | { |
dreschpe | 0:cccc5726bdf3 | 379 | pixel(draw_x2, draw_y2, color); |
dreschpe | 0:cccc5726bdf3 | 380 | } |
dreschpe | 0:cccc5726bdf3 | 381 | |
dreschpe | 0:cccc5726bdf3 | 382 | if( (draw_x3 >=0 ) && (draw_y3 <= height()) ) |
dreschpe | 0:cccc5726bdf3 | 383 | { |
dreschpe | 0:cccc5726bdf3 | 384 | pixel(draw_x3, draw_y3, color); |
dreschpe | 0:cccc5726bdf3 | 385 | } |
dreschpe | 0:cccc5726bdf3 | 386 | |
dreschpe | 0:cccc5726bdf3 | 387 | if( (draw_x4 <= width()) && (draw_y4 >= 0) ) |
dreschpe | 0:cccc5726bdf3 | 388 | { |
dreschpe | 0:cccc5726bdf3 | 389 | pixel(draw_x4, draw_y4, color); |
dreschpe | 0:cccc5726bdf3 | 390 | } |
dreschpe | 0:cccc5726bdf3 | 391 | |
dreschpe | 0:cccc5726bdf3 | 392 | if( (draw_x5 >= 0) && (draw_y5 >= 0) ) |
dreschpe | 0:cccc5726bdf3 | 393 | { |
dreschpe | 0:cccc5726bdf3 | 394 | pixel(draw_x5, draw_y5, color); |
dreschpe | 0:cccc5726bdf3 | 395 | } |
dreschpe | 0:cccc5726bdf3 | 396 | if( (draw_x6 <=width()) && (draw_y6 <= height()) ) |
dreschpe | 0:cccc5726bdf3 | 397 | { |
dreschpe | 0:cccc5726bdf3 | 398 | pixel(draw_x6, draw_y6, color); |
dreschpe | 0:cccc5726bdf3 | 399 | } |
dreschpe | 0:cccc5726bdf3 | 400 | if( (draw_x7 >= 0) && (draw_y7 <= height()) ) |
dreschpe | 0:cccc5726bdf3 | 401 | { |
dreschpe | 0:cccc5726bdf3 | 402 | pixel(draw_x7, draw_y7, color); |
dreschpe | 0:cccc5726bdf3 | 403 | } |
dreschpe | 0:cccc5726bdf3 | 404 | } |
dreschpe | 0:cccc5726bdf3 | 405 | return; |
dreschpe | 0:cccc5726bdf3 | 406 | } |
dreschpe | 0:cccc5726bdf3 | 407 | |
dreschpe | 1:aa3356b16080 | 408 | |
dreschpe | 0:cccc5726bdf3 | 409 | void SPI_TFT::hline(int x0, int x1, int y, int color) { |
dreschpe | 0:cccc5726bdf3 | 410 | int w; |
dreschpe | 0:cccc5726bdf3 | 411 | w = x1 - x0 + 1; |
dreschpe | 0:cccc5726bdf3 | 412 | window(x0,y,w,1); |
dreschpe | 0:cccc5726bdf3 | 413 | wr_cmd(0x22); |
dreschpe | 0:cccc5726bdf3 | 414 | wr_dat_start(); |
dreschpe | 0:cccc5726bdf3 | 415 | _spi.format(16,3); // pixel are send in 16 bit mode to speed up |
dreschpe | 0:cccc5726bdf3 | 416 | for(int x=0; x<w; x++){ |
dreschpe | 0:cccc5726bdf3 | 417 | _spi.write(color); |
dreschpe | 0:cccc5726bdf3 | 418 | } |
dreschpe | 0:cccc5726bdf3 | 419 | _spi.format(8,3); |
dreschpe | 0:cccc5726bdf3 | 420 | wr_dat_stop(); |
dreschpe | 0:cccc5726bdf3 | 421 | return; |
dreschpe | 0:cccc5726bdf3 | 422 | } |
dreschpe | 0:cccc5726bdf3 | 423 | |
dreschpe | 1:aa3356b16080 | 424 | |
dreschpe | 0:cccc5726bdf3 | 425 | |
dreschpe | 0:cccc5726bdf3 | 426 | void SPI_TFT::vline(int x, int y0, int y1, int color) { |
dreschpe | 0:cccc5726bdf3 | 427 | int h; |
dreschpe | 0:cccc5726bdf3 | 428 | h = y1 - y0 + 1; |
dreschpe | 0:cccc5726bdf3 | 429 | window(x,y0,1,h); |
dreschpe | 0:cccc5726bdf3 | 430 | wr_cmd(0x22); |
dreschpe | 0:cccc5726bdf3 | 431 | wr_dat_start(); |
dreschpe | 0:cccc5726bdf3 | 432 | _spi.format(16,3); // pixel are send in 16 bit mode to speed up |
dreschpe | 0:cccc5726bdf3 | 433 | for(int y=0; y<h; y++){ |
dreschpe | 0:cccc5726bdf3 | 434 | _spi.write(color); |
dreschpe | 0:cccc5726bdf3 | 435 | } |
dreschpe | 0:cccc5726bdf3 | 436 | _spi.format(8,3); |
dreschpe | 0:cccc5726bdf3 | 437 | wr_dat_stop(); |
dreschpe | 0:cccc5726bdf3 | 438 | return; |
dreschpe | 0:cccc5726bdf3 | 439 | } |
dreschpe | 0:cccc5726bdf3 | 440 | |
dreschpe | 1:aa3356b16080 | 441 | |
dreschpe | 0:cccc5726bdf3 | 442 | |
dreschpe | 0:cccc5726bdf3 | 443 | void SPI_TFT::line(int x0, int y0, int x1, int y1, int color) { |
dreschpe | 0:cccc5726bdf3 | 444 | WindowMax(); |
dreschpe | 0:cccc5726bdf3 | 445 | int dx = 0, dy = 0; |
dreschpe | 0:cccc5726bdf3 | 446 | int dx_sym = 0, dy_sym = 0; |
dreschpe | 0:cccc5726bdf3 | 447 | int dx_x2 = 0, dy_x2 = 0; |
dreschpe | 0:cccc5726bdf3 | 448 | int di = 0; |
dreschpe | 0:cccc5726bdf3 | 449 | |
dreschpe | 0:cccc5726bdf3 | 450 | dx = x1-x0; |
dreschpe | 0:cccc5726bdf3 | 451 | dy = y1-y0; |
dreschpe | 0:cccc5726bdf3 | 452 | |
dreschpe | 0:cccc5726bdf3 | 453 | if(dx == 0) /* vertical line */ |
dreschpe | 0:cccc5726bdf3 | 454 | { |
dreschpe | 0:cccc5726bdf3 | 455 | if(y1 > y0) vline(x0,y0,y1,color); |
dreschpe | 0:cccc5726bdf3 | 456 | else vline(x0,y1,y0,color); |
dreschpe | 0:cccc5726bdf3 | 457 | return; |
dreschpe | 0:cccc5726bdf3 | 458 | } |
dreschpe | 0:cccc5726bdf3 | 459 | |
dreschpe | 0:cccc5726bdf3 | 460 | if(dx > 0) |
dreschpe | 0:cccc5726bdf3 | 461 | { |
dreschpe | 0:cccc5726bdf3 | 462 | dx_sym = 1; |
dreschpe | 0:cccc5726bdf3 | 463 | } |
dreschpe | 0:cccc5726bdf3 | 464 | else |
dreschpe | 0:cccc5726bdf3 | 465 | { |
dreschpe | 0:cccc5726bdf3 | 466 | dx_sym = -1; |
dreschpe | 0:cccc5726bdf3 | 467 | } |
dreschpe | 0:cccc5726bdf3 | 468 | if(dy == 0) /* horizontal line */ |
dreschpe | 0:cccc5726bdf3 | 469 | { |
dreschpe | 0:cccc5726bdf3 | 470 | if(x1 > x0) hline(x0,x1,y0,color); |
dreschpe | 0:cccc5726bdf3 | 471 | else hline(x1,x0,y0,color); |
dreschpe | 0:cccc5726bdf3 | 472 | return; |
dreschpe | 0:cccc5726bdf3 | 473 | } |
dreschpe | 0:cccc5726bdf3 | 474 | |
dreschpe | 0:cccc5726bdf3 | 475 | if(dy > 0) |
dreschpe | 0:cccc5726bdf3 | 476 | { |
dreschpe | 0:cccc5726bdf3 | 477 | dy_sym = 1; |
dreschpe | 0:cccc5726bdf3 | 478 | } |
dreschpe | 0:cccc5726bdf3 | 479 | else |
dreschpe | 0:cccc5726bdf3 | 480 | { |
dreschpe | 0:cccc5726bdf3 | 481 | dy_sym = -1; |
dreschpe | 0:cccc5726bdf3 | 482 | } |
dreschpe | 0:cccc5726bdf3 | 483 | |
dreschpe | 0:cccc5726bdf3 | 484 | dx = dx_sym*dx; |
dreschpe | 0:cccc5726bdf3 | 485 | dy = dy_sym*dy; |
dreschpe | 0:cccc5726bdf3 | 486 | |
dreschpe | 0:cccc5726bdf3 | 487 | dx_x2 = dx*2; |
dreschpe | 0:cccc5726bdf3 | 488 | dy_x2 = dy*2; |
dreschpe | 0:cccc5726bdf3 | 489 | |
dreschpe | 0:cccc5726bdf3 | 490 | if(dx >= dy) |
dreschpe | 0:cccc5726bdf3 | 491 | { |
dreschpe | 0:cccc5726bdf3 | 492 | di = dy_x2 - dx; |
dreschpe | 0:cccc5726bdf3 | 493 | while(x0 != x1) |
dreschpe | 0:cccc5726bdf3 | 494 | { |
dreschpe | 0:cccc5726bdf3 | 495 | |
dreschpe | 0:cccc5726bdf3 | 496 | pixel(x0, y0, color); |
dreschpe | 0:cccc5726bdf3 | 497 | x0 += dx_sym; |
dreschpe | 0:cccc5726bdf3 | 498 | if(di<0) |
dreschpe | 0:cccc5726bdf3 | 499 | { |
dreschpe | 0:cccc5726bdf3 | 500 | di += dy_x2; |
dreschpe | 0:cccc5726bdf3 | 501 | } |
dreschpe | 0:cccc5726bdf3 | 502 | else |
dreschpe | 0:cccc5726bdf3 | 503 | { |
dreschpe | 0:cccc5726bdf3 | 504 | di += dy_x2 - dx_x2; |
dreschpe | 0:cccc5726bdf3 | 505 | y0 += dy_sym; |
dreschpe | 0:cccc5726bdf3 | 506 | } |
dreschpe | 0:cccc5726bdf3 | 507 | } |
dreschpe | 0:cccc5726bdf3 | 508 | pixel(x0, y0, color); |
dreschpe | 0:cccc5726bdf3 | 509 | } |
dreschpe | 0:cccc5726bdf3 | 510 | else |
dreschpe | 0:cccc5726bdf3 | 511 | { |
dreschpe | 0:cccc5726bdf3 | 512 | di = dx_x2 - dy; |
dreschpe | 0:cccc5726bdf3 | 513 | while(y0 != y1) |
dreschpe | 0:cccc5726bdf3 | 514 | { |
dreschpe | 0:cccc5726bdf3 | 515 | pixel(x0, y0, color); |
dreschpe | 0:cccc5726bdf3 | 516 | y0 += dy_sym; |
dreschpe | 0:cccc5726bdf3 | 517 | if(di < 0) |
dreschpe | 0:cccc5726bdf3 | 518 | { |
dreschpe | 0:cccc5726bdf3 | 519 | di += dx_x2; |
dreschpe | 0:cccc5726bdf3 | 520 | } |
dreschpe | 0:cccc5726bdf3 | 521 | else |
dreschpe | 0:cccc5726bdf3 | 522 | { |
dreschpe | 0:cccc5726bdf3 | 523 | di += dx_x2 - dy_x2; |
dreschpe | 0:cccc5726bdf3 | 524 | x0 += dx_sym; |
dreschpe | 0:cccc5726bdf3 | 525 | } |
dreschpe | 0:cccc5726bdf3 | 526 | } |
dreschpe | 0:cccc5726bdf3 | 527 | pixel(x0, y0, color); |
dreschpe | 0:cccc5726bdf3 | 528 | } |
dreschpe | 0:cccc5726bdf3 | 529 | return; |
dreschpe | 0:cccc5726bdf3 | 530 | } |
dreschpe | 0:cccc5726bdf3 | 531 | |
dreschpe | 0:cccc5726bdf3 | 532 | |
dreschpe | 1:aa3356b16080 | 533 | |
dreschpe | 0:cccc5726bdf3 | 534 | |
dreschpe | 0:cccc5726bdf3 | 535 | void SPI_TFT::rect(int x0, int y0, int x1, int y1, int color) { |
dreschpe | 0:cccc5726bdf3 | 536 | |
dreschpe | 0:cccc5726bdf3 | 537 | if(x1 > x0) hline(x0,x1,y0,color); |
dreschpe | 0:cccc5726bdf3 | 538 | else hline(x1,x0,y0,color); |
dreschpe | 0:cccc5726bdf3 | 539 | |
dreschpe | 0:cccc5726bdf3 | 540 | if(y1 > y0) vline(x0,y0,y1,color); |
dreschpe | 0:cccc5726bdf3 | 541 | else vline(x0,y1,y0,color); |
dreschpe | 0:cccc5726bdf3 | 542 | |
dreschpe | 0:cccc5726bdf3 | 543 | if(x1 > x0) hline(x0,x1,y1,color); |
dreschpe | 0:cccc5726bdf3 | 544 | else hline(x1,x0,y1,color); |
dreschpe | 0:cccc5726bdf3 | 545 | |
dreschpe | 0:cccc5726bdf3 | 546 | if(y1 > y0) vline(x1,y0,y1,color); |
dreschpe | 0:cccc5726bdf3 | 547 | else vline(x1,y1,y0,color); |
dreschpe | 0:cccc5726bdf3 | 548 | |
dreschpe | 0:cccc5726bdf3 | 549 | return; |
dreschpe | 0:cccc5726bdf3 | 550 | } |
dreschpe | 0:cccc5726bdf3 | 551 | |
dreschpe | 1:aa3356b16080 | 552 | |
dreschpe | 0:cccc5726bdf3 | 553 | |
dreschpe | 0:cccc5726bdf3 | 554 | void SPI_TFT::fillrect(int x0, int y0, int x1, int y1, int color) { |
dreschpe | 0:cccc5726bdf3 | 555 | |
dreschpe | 0:cccc5726bdf3 | 556 | int h = y1 - y0 + 1; |
dreschpe | 0:cccc5726bdf3 | 557 | int w = x1 - x0 + 1; |
dreschpe | 0:cccc5726bdf3 | 558 | int pixel = h * w; |
dreschpe | 0:cccc5726bdf3 | 559 | window(x0,y0,w,h); |
dreschpe | 0:cccc5726bdf3 | 560 | wr_cmd(0x22); |
dreschpe | 0:cccc5726bdf3 | 561 | wr_dat_start(); |
dreschpe | 0:cccc5726bdf3 | 562 | _spi.format(16,3); // pixel are send in 16 bit mode to speed up |
dreschpe | 0:cccc5726bdf3 | 563 | for(int p=0; p<pixel; p++){ |
dreschpe | 0:cccc5726bdf3 | 564 | _spi.write(color); |
dreschpe | 0:cccc5726bdf3 | 565 | } |
dreschpe | 0:cccc5726bdf3 | 566 | _spi.format(8,3); |
dreschpe | 0:cccc5726bdf3 | 567 | wr_dat_stop(); |
dreschpe | 0:cccc5726bdf3 | 568 | return; |
dreschpe | 0:cccc5726bdf3 | 569 | } |
dreschpe | 0:cccc5726bdf3 | 570 | |
dreschpe | 0:cccc5726bdf3 | 571 | |
dreschpe | 1:aa3356b16080 | 572 | |
dreschpe | 0:cccc5726bdf3 | 573 | void SPI_TFT::locate(int column, int row) { |
dreschpe | 0:cccc5726bdf3 | 574 | _column = column; |
dreschpe | 0:cccc5726bdf3 | 575 | char_x = font[1] * column; // get the horz. size of the actual font |
dreschpe | 0:cccc5726bdf3 | 576 | _row = row; |
dreschpe | 0:cccc5726bdf3 | 577 | } |
dreschpe | 0:cccc5726bdf3 | 578 | |
dreschpe | 1:aa3356b16080 | 579 | |
dreschpe | 0:cccc5726bdf3 | 580 | |
dreschpe | 0:cccc5726bdf3 | 581 | int SPI_TFT::columns() { |
dreschpe | 0:cccc5726bdf3 | 582 | return width() / font[1]; |
dreschpe | 0:cccc5726bdf3 | 583 | } |
dreschpe | 0:cccc5726bdf3 | 584 | |
dreschpe | 1:aa3356b16080 | 585 | |
dreschpe | 0:cccc5726bdf3 | 586 | |
dreschpe | 0:cccc5726bdf3 | 587 | int SPI_TFT::rows() { |
dreschpe | 0:cccc5726bdf3 | 588 | return height() / font[2]; |
dreschpe | 0:cccc5726bdf3 | 589 | } |
dreschpe | 0:cccc5726bdf3 | 590 | |
dreschpe | 1:aa3356b16080 | 591 | |
dreschpe | 0:cccc5726bdf3 | 592 | |
dreschpe | 0:cccc5726bdf3 | 593 | int SPI_TFT::_putc(int value) { |
dreschpe | 0:cccc5726bdf3 | 594 | if(value == '\n') { |
dreschpe | 0:cccc5726bdf3 | 595 | _column = 0; |
dreschpe | 0:cccc5726bdf3 | 596 | char_x = 0; |
dreschpe | 0:cccc5726bdf3 | 597 | _row++; |
dreschpe | 0:cccc5726bdf3 | 598 | if(_row >= rows()) { |
dreschpe | 0:cccc5726bdf3 | 599 | _row = 0; |
dreschpe | 0:cccc5726bdf3 | 600 | } |
dreschpe | 0:cccc5726bdf3 | 601 | } else { |
dreschpe | 0:cccc5726bdf3 | 602 | character(_column, _row, value); |
dreschpe | 0:cccc5726bdf3 | 603 | _column++; |
dreschpe | 0:cccc5726bdf3 | 604 | } |
dreschpe | 0:cccc5726bdf3 | 605 | return value; |
dreschpe | 0:cccc5726bdf3 | 606 | } |
dreschpe | 0:cccc5726bdf3 | 607 | |
dreschpe | 0:cccc5726bdf3 | 608 | |
dreschpe | 1:aa3356b16080 | 609 | |
dreschpe | 0:cccc5726bdf3 | 610 | |
dreschpe | 0:cccc5726bdf3 | 611 | void SPI_TFT::character(int col, int row, int c){ |
dreschpe | 0:cccc5726bdf3 | 612 | unsigned int hor,vert,offset,bpl,j,i,b; |
dreschpe | 0:cccc5726bdf3 | 613 | unsigned char* zeichen; |
dreschpe | 0:cccc5726bdf3 | 614 | unsigned char z,w; |
dreschpe | 0:cccc5726bdf3 | 615 | |
dreschpe | 0:cccc5726bdf3 | 616 | if((c < 31) || (c > 127)) return; // test char range |
dreschpe | 0:cccc5726bdf3 | 617 | |
dreschpe | 0:cccc5726bdf3 | 618 | // read font parameter from start of array |
dreschpe | 0:cccc5726bdf3 | 619 | offset = font[0]; // bytes / char |
dreschpe | 0:cccc5726bdf3 | 620 | hor = font[1]; // get hor size of font |
dreschpe | 0:cccc5726bdf3 | 621 | vert = font[2]; // get vert size of font |
dreschpe | 0:cccc5726bdf3 | 622 | bpl = font[3]; // bytes per line |
dreschpe | 0:cccc5726bdf3 | 623 | |
dreschpe | 0:cccc5726bdf3 | 624 | if(char_x + hor > width()){ |
dreschpe | 0:cccc5726bdf3 | 625 | char_x = 0; |
dreschpe | 0:cccc5726bdf3 | 626 | _column = 0; |
dreschpe | 0:cccc5726bdf3 | 627 | _row ++; |
dreschpe | 0:cccc5726bdf3 | 628 | row++; |
dreschpe | 0:cccc5726bdf3 | 629 | if(_row >= rows()) { |
dreschpe | 0:cccc5726bdf3 | 630 | _row = 0; |
dreschpe | 0:cccc5726bdf3 | 631 | row=0; |
dreschpe | 0:cccc5726bdf3 | 632 | } |
dreschpe | 0:cccc5726bdf3 | 633 | } |
dreschpe | 0:cccc5726bdf3 | 634 | |
dreschpe | 0:cccc5726bdf3 | 635 | window(char_x, row * vert,hor,vert); // char box |
dreschpe | 0:cccc5726bdf3 | 636 | wr_cmd(0x22); |
dreschpe | 0:cccc5726bdf3 | 637 | wr_dat_start(); |
dreschpe | 0:cccc5726bdf3 | 638 | zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap |
dreschpe | 0:cccc5726bdf3 | 639 | w = zeichen[0]; // width of actual char |
dreschpe | 0:cccc5726bdf3 | 640 | _spi.format(16,3); // pixel are 16 bit |
dreschpe | 0:cccc5726bdf3 | 641 | |
dreschpe | 0:cccc5726bdf3 | 642 | for(j=0;j<vert;j++){ // vert line |
dreschpe | 0:cccc5726bdf3 | 643 | for(i=0;i<hor;i++){ // horz line |
dreschpe | 0:cccc5726bdf3 | 644 | z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1]; |
dreschpe | 0:cccc5726bdf3 | 645 | b = 1 << (j & 0x07); |
dreschpe | 0:cccc5726bdf3 | 646 | if (( z & b ) == 0x00){ |
dreschpe | 0:cccc5726bdf3 | 647 | _spi.write(_background); |
dreschpe | 0:cccc5726bdf3 | 648 | } |
dreschpe | 0:cccc5726bdf3 | 649 | else { |
dreschpe | 0:cccc5726bdf3 | 650 | _spi.write(_foreground); |
dreschpe | 0:cccc5726bdf3 | 651 | } |
dreschpe | 0:cccc5726bdf3 | 652 | } |
dreschpe | 0:cccc5726bdf3 | 653 | } |
dreschpe | 0:cccc5726bdf3 | 654 | _spi.format(8,3); // 8 bit |
dreschpe | 0:cccc5726bdf3 | 655 | wr_dat_stop(); |
dreschpe | 0:cccc5726bdf3 | 656 | if ((w + 2) < hor) { // x offset to next char |
dreschpe | 0:cccc5726bdf3 | 657 | char_x += w + 2; |
dreschpe | 0:cccc5726bdf3 | 658 | } |
dreschpe | 0:cccc5726bdf3 | 659 | else char_x += hor; |
dreschpe | 0:cccc5726bdf3 | 660 | } |
dreschpe | 0:cccc5726bdf3 | 661 | |
dreschpe | 0:cccc5726bdf3 | 662 | |
dreschpe | 1:aa3356b16080 | 663 | |
dreschpe | 0:cccc5726bdf3 | 664 | |
dreschpe | 0:cccc5726bdf3 | 665 | |
dreschpe | 0:cccc5726bdf3 | 666 | void SPI_TFT::set_font(unsigned char* f){ |
dreschpe | 0:cccc5726bdf3 | 667 | font = f; |
dreschpe | 0:cccc5726bdf3 | 668 | } |
dreschpe | 0:cccc5726bdf3 | 669 | |
dreschpe | 1:aa3356b16080 | 670 | |
dreschpe | 0:cccc5726bdf3 | 671 | |
dreschpe | 0:cccc5726bdf3 | 672 | void SPI_TFT::Bitmap(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *bitmap){ |
dreschpe | 0:cccc5726bdf3 | 673 | unsigned int i,j; |
dreschpe | 0:cccc5726bdf3 | 674 | unsigned short *bitmap_ptr = (unsigned short *)bitmap; |
dreschpe | 0:cccc5726bdf3 | 675 | window(x, y, w, h); |
dreschpe | 0:cccc5726bdf3 | 676 | wr_cmd(0x22); |
dreschpe | 0:cccc5726bdf3 | 677 | wr_dat_start(); |
dreschpe | 0:cccc5726bdf3 | 678 | _spi.format(16,3); |
dreschpe | 0:cccc5726bdf3 | 679 | bitmap_ptr += ((h - 1)*w); |
dreschpe | 0:cccc5726bdf3 | 680 | for (j = 0; j < h; j++){ //Lines |
dreschpe | 0:cccc5726bdf3 | 681 | for (i = 0; i < w; i++) { // copy pixel data to TFT |
dreschpe | 0:cccc5726bdf3 | 682 | _spi.write(*bitmap_ptr); // one line |
dreschpe | 0:cccc5726bdf3 | 683 | bitmap_ptr++; |
dreschpe | 0:cccc5726bdf3 | 684 | } |
dreschpe | 0:cccc5726bdf3 | 685 | bitmap_ptr -= 2*w; |
dreschpe | 0:cccc5726bdf3 | 686 | } |
dreschpe | 0:cccc5726bdf3 | 687 | _spi.format(8,3); |
dreschpe | 0:cccc5726bdf3 | 688 | wr_dat_stop(); |
dreschpe | 0:cccc5726bdf3 | 689 | } |