Modifié pour fonctionner avec les écran arduino. Ecran surplaque blanche, dos bleu, au dimensions de l'arduino esplora
Fork of ST7735_TFT by
ST7735_TFT.cpp@2:b9c08958fef9, 2013-12-06 (annotated)
- Committer:
- alex_asi_elec
- Date:
- Fri Dec 06 21:39:29 2013 +0000
- Revision:
- 2:b9c08958fef9
- Parent:
- 1:967235e6fd48
Fonctionne sur ?cran arduino (adafruit)
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
smultron1977 | 0:246f2fb5be59 | 1 | /* mbed library for 128*160 pixel display TFT based on ST7735 LCD Controller |
smultron1977 | 0:246f2fb5be59 | 2 | * ST7735 specific routines (initialization, window addressing, pixel output) |
smultron1977 | 0:246f2fb5be59 | 3 | * Copyright (c) 2011 Jonne Valola |
smultron1977 | 0:246f2fb5be59 | 4 | * |
smultron1977 | 0:246f2fb5be59 | 5 | * WARNING !! WORK IN PROGRESS !!! |
smultron1977 | 0:246f2fb5be59 | 6 | * |
smultron1977 | 0:246f2fb5be59 | 7 | * Graphics routines and SPI routines derived work used with permission from: |
smultron1977 | 0:246f2fb5be59 | 8 | * mbed library for 240*320 pixel display TFT based on HX8347D LCD Controller |
smultron1977 | 0:246f2fb5be59 | 9 | * Copyright (c) 2011 Peter Drescher - DC2PD |
smultron1977 | 0:246f2fb5be59 | 10 | * |
smultron1977 | 0:246f2fb5be59 | 11 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
smultron1977 | 0:246f2fb5be59 | 12 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
smultron1977 | 0:246f2fb5be59 | 13 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
smultron1977 | 0:246f2fb5be59 | 14 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
smultron1977 | 0:246f2fb5be59 | 15 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
smultron1977 | 0:246f2fb5be59 | 16 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
smultron1977 | 0:246f2fb5be59 | 17 | * THE SOFTWARE. |
smultron1977 | 0:246f2fb5be59 | 18 | */ |
smultron1977 | 0:246f2fb5be59 | 19 | |
smultron1977 | 0:246f2fb5be59 | 20 | |
smultron1977 | 0:246f2fb5be59 | 21 | #include "ST7735_TFT.h" |
smultron1977 | 0:246f2fb5be59 | 22 | #include "mbed.h" |
smultron1977 | 0:246f2fb5be59 | 23 | |
alex_asi_elec | 2:b9c08958fef9 | 24 | #define BPP 16 // Bits per pixel |
alex_asi_elec | 2:b9c08958fef9 | 25 | #define DELAY 0x80 |
smultron1977 | 0:246f2fb5be59 | 26 | |
smultron1977 | 0:246f2fb5be59 | 27 | ST7735_TFT::ST7735_TFT(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName rs, PinName reset, const char *name) |
smultron1977 | 0:246f2fb5be59 | 28 | : _spi(mosi, miso, sclk), _cs(cs), _rs(rs), _reset(reset),GraphicsDisplay(name) { |
alex_asi_elec | 2:b9c08958fef9 | 29 | Gtft_reset(); |
smultron1977 | 0:246f2fb5be59 | 30 | orientation = 2; |
smultron1977 | 0:246f2fb5be59 | 31 | char_x = 0; |
smultron1977 | 0:246f2fb5be59 | 32 | } |
smultron1977 | 0:246f2fb5be59 | 33 | |
alex_asi_elec | 2:b9c08958fef9 | 34 | void ST7735_TFT::Gtft_reset() { |
alex_asi_elec | 2:b9c08958fef9 | 35 | static unsigned short driverCode; |
alex_asi_elec | 2:b9c08958fef9 | 36 | |
alex_asi_elec | 2:b9c08958fef9 | 37 | // init SPI |
alex_asi_elec | 2:b9c08958fef9 | 38 | _spi.format(8,3); // 8 bit spi mode 3 |
alex_asi_elec | 2:b9c08958fef9 | 39 | _spi.frequency(4000000); // 16Mhz SPI clock ... 15Mhz is maximum for display, but it seems to work |
alex_asi_elec | 2:b9c08958fef9 | 40 | |
alex_asi_elec | 2:b9c08958fef9 | 41 | // reset exactly like in Arduino version |
alex_asi_elec | 2:b9c08958fef9 | 42 | _cs = 0; |
alex_asi_elec | 2:b9c08958fef9 | 43 | _reset = 1; // reset |
alex_asi_elec | 2:b9c08958fef9 | 44 | wait_ms(500); |
alex_asi_elec | 2:b9c08958fef9 | 45 | _reset = 0; // reset |
alex_asi_elec | 2:b9c08958fef9 | 46 | wait_ms(500); |
alex_asi_elec | 2:b9c08958fef9 | 47 | _reset = 1; // reset |
alex_asi_elec | 2:b9c08958fef9 | 48 | wait_ms(500); |
alex_asi_elec | 2:b9c08958fef9 | 49 | |
alex_asi_elec | 2:b9c08958fef9 | 50 | /* Start Initial Sequence ----------------------------------------------------*/ |
alex_asi_elec | 2:b9c08958fef9 | 51 | wr_cmd(ST7735_SWRESET); /* SW Reset */ |
alex_asi_elec | 2:b9c08958fef9 | 52 | wait_ms(150); |
alex_asi_elec | 2:b9c08958fef9 | 53 | wr_cmd(ST7735_SLPOUT); /* Out of sleepmode */ |
alex_asi_elec | 2:b9c08958fef9 | 54 | wait_ms(500); |
alex_asi_elec | 2:b9c08958fef9 | 55 | |
alex_asi_elec | 2:b9c08958fef9 | 56 | wr_cmd(ST7735_FRMCTR1); /* Frame rate in normal mode */ |
alex_asi_elec | 2:b9c08958fef9 | 57 | // wr_dat(0x02); |
alex_asi_elec | 2:b9c08958fef9 | 58 | wr_dat(0x0B); |
alex_asi_elec | 2:b9c08958fef9 | 59 | wr_dat(0x14); |
alex_asi_elec | 2:b9c08958fef9 | 60 | |
alex_asi_elec | 2:b9c08958fef9 | 61 | wr_cmd(0xC0); /* VRH1 */ |
alex_asi_elec | 2:b9c08958fef9 | 62 | // wr_dat(0x02); |
alex_asi_elec | 2:b9c08958fef9 | 63 | wr_dat(0x08); |
alex_asi_elec | 2:b9c08958fef9 | 64 | wr_dat(0x00); |
alex_asi_elec | 2:b9c08958fef9 | 65 | |
alex_asi_elec | 2:b9c08958fef9 | 66 | wr_cmd(0xC1); /* BT */ |
alex_asi_elec | 2:b9c08958fef9 | 67 | //wr_dat(0x01); |
alex_asi_elec | 2:b9c08958fef9 | 68 | wr_dat(0x05); |
alex_asi_elec | 2:b9c08958fef9 | 69 | |
alex_asi_elec | 2:b9c08958fef9 | 70 | wr_cmd(0xC5); /* VHM */ |
alex_asi_elec | 2:b9c08958fef9 | 71 | //wr_dat(0x02); |
alex_asi_elec | 2:b9c08958fef9 | 72 | wr_dat(0x41); |
alex_asi_elec | 2:b9c08958fef9 | 73 | wr_dat(0x30); |
alex_asi_elec | 2:b9c08958fef9 | 74 | |
alex_asi_elec | 2:b9c08958fef9 | 75 | wr_cmd(0xC7); // lcd mode |
alex_asi_elec | 2:b9c08958fef9 | 76 | //wr_dat(0x01); |
alex_asi_elec | 2:b9c08958fef9 | 77 | wr_dat(0x0C1); |
alex_asi_elec | 2:b9c08958fef9 | 78 | |
alex_asi_elec | 2:b9c08958fef9 | 79 | wr_cmd(0xEC); // POWER CONTROL 1 |
alex_asi_elec | 2:b9c08958fef9 | 80 | //wr_dat(0x01); |
alex_asi_elec | 2:b9c08958fef9 | 81 | wr_dat(0x1B); |
alex_asi_elec | 2:b9c08958fef9 | 82 | |
alex_asi_elec | 2:b9c08958fef9 | 83 | wr_cmd(0x3A); // color format |
alex_asi_elec | 2:b9c08958fef9 | 84 | //wr_dat(0x01 + DELAY); |
alex_asi_elec | 2:b9c08958fef9 | 85 | wr_dat(0x55); |
alex_asi_elec | 2:b9c08958fef9 | 86 | wait_ms(100); |
alex_asi_elec | 2:b9c08958fef9 | 87 | |
alex_asi_elec | 2:b9c08958fef9 | 88 | wr_cmd(0x2A); // colonne addr |
alex_asi_elec | 2:b9c08958fef9 | 89 | // wr_dat(0x04); |
alex_asi_elec | 2:b9c08958fef9 | 90 | wr_dat(0x00); |
alex_asi_elec | 2:b9c08958fef9 | 91 | wr_dat(0x00); |
alex_asi_elec | 2:b9c08958fef9 | 92 | wr_dat(0x00); |
alex_asi_elec | 2:b9c08958fef9 | 93 | wr_dat(0x7F); |
alex_asi_elec | 2:b9c08958fef9 | 94 | |
alex_asi_elec | 2:b9c08958fef9 | 95 | wr_cmd(0x2B); // page addr |
alex_asi_elec | 2:b9c08958fef9 | 96 | // wr_dat(0x04); |
alex_asi_elec | 2:b9c08958fef9 | 97 | wr_dat(0x00); |
alex_asi_elec | 2:b9c08958fef9 | 98 | wr_dat(0x00); |
alex_asi_elec | 2:b9c08958fef9 | 99 | wr_dat(0x00); |
alex_asi_elec | 2:b9c08958fef9 | 100 | wr_dat(0x9F); |
alex_asi_elec | 2:b9c08958fef9 | 101 | |
alex_asi_elec | 2:b9c08958fef9 | 102 | wr_cmd(0x36); // scanning direction |
alex_asi_elec | 2:b9c08958fef9 | 103 | //wr_dat(0x01); |
alex_asi_elec | 2:b9c08958fef9 | 104 | wr_dat(0xC8); |
alex_asi_elec | 2:b9c08958fef9 | 105 | |
alex_asi_elec | 2:b9c08958fef9 | 106 | wr_cmd(0xB7); // source output direction |
alex_asi_elec | 2:b9c08958fef9 | 107 | // wr_dat(0x01); |
alex_asi_elec | 2:b9c08958fef9 | 108 | wr_dat(0x00); |
alex_asi_elec | 2:b9c08958fef9 | 109 | |
alex_asi_elec | 2:b9c08958fef9 | 110 | wr_cmd(0xF2); // enable gama bit |
alex_asi_elec | 2:b9c08958fef9 | 111 | // wr_dat(0x01); |
alex_asi_elec | 2:b9c08958fef9 | 112 | wr_dat(0x00); |
alex_asi_elec | 2:b9c08958fef9 | 113 | |
alex_asi_elec | 2:b9c08958fef9 | 114 | wr_cmd(0xE0); // magic |
alex_asi_elec | 2:b9c08958fef9 | 115 | // wr_dat(0x15 + DELAY); |
alex_asi_elec | 2:b9c08958fef9 | 116 | wr_dat(0x28); |
alex_asi_elec | 2:b9c08958fef9 | 117 | wr_dat(0x24); |
alex_asi_elec | 2:b9c08958fef9 | 118 | wr_dat(0x22); |
alex_asi_elec | 2:b9c08958fef9 | 119 | wr_dat(0x31); |
alex_asi_elec | 2:b9c08958fef9 | 120 | wr_dat(0x2B); |
alex_asi_elec | 2:b9c08958fef9 | 121 | wr_dat(0x0E); |
alex_asi_elec | 2:b9c08958fef9 | 122 | wr_dat(0x53); |
alex_asi_elec | 2:b9c08958fef9 | 123 | wr_dat(0xA5); |
alex_asi_elec | 2:b9c08958fef9 | 124 | wr_dat(0x42); |
alex_asi_elec | 2:b9c08958fef9 | 125 | wr_dat(0x16); |
alex_asi_elec | 2:b9c08958fef9 | 126 | wr_dat(0x18); |
alex_asi_elec | 2:b9c08958fef9 | 127 | wr_dat(0x12); |
alex_asi_elec | 2:b9c08958fef9 | 128 | wr_dat(0x1A); |
alex_asi_elec | 2:b9c08958fef9 | 129 | wr_dat(0x14); |
alex_asi_elec | 2:b9c08958fef9 | 130 | wr_dat(0x03); |
alex_asi_elec | 2:b9c08958fef9 | 131 | wait_ms(50); |
alex_asi_elec | 2:b9c08958fef9 | 132 | |
alex_asi_elec | 2:b9c08958fef9 | 133 | wr_cmd(0xE1); // more magic |
alex_asi_elec | 2:b9c08958fef9 | 134 | // wr_dat(0x15 + DELAY); |
alex_asi_elec | 2:b9c08958fef9 | 135 | wr_dat(0x17); |
alex_asi_elec | 2:b9c08958fef9 | 136 | wr_dat(0x1B); |
alex_asi_elec | 2:b9c08958fef9 | 137 | wr_dat(0x1D); |
alex_asi_elec | 2:b9c08958fef9 | 138 | wr_dat(0x0E); |
alex_asi_elec | 2:b9c08958fef9 | 139 | wr_dat(0x14); |
alex_asi_elec | 2:b9c08958fef9 | 140 | wr_dat(0x11); |
alex_asi_elec | 2:b9c08958fef9 | 141 | wr_dat(0x2C); |
alex_asi_elec | 2:b9c08958fef9 | 142 | wr_dat(0xA5); |
alex_asi_elec | 2:b9c08958fef9 | 143 | wr_dat(0x3D); |
alex_asi_elec | 2:b9c08958fef9 | 144 | wr_dat(0x09); |
alex_asi_elec | 2:b9c08958fef9 | 145 | wr_dat(0x27); |
alex_asi_elec | 2:b9c08958fef9 | 146 | wr_dat(0x2D); |
alex_asi_elec | 2:b9c08958fef9 | 147 | wr_dat(0x25); |
alex_asi_elec | 2:b9c08958fef9 | 148 | wr_dat(0x2B); |
alex_asi_elec | 2:b9c08958fef9 | 149 | wr_dat(0x3C); |
alex_asi_elec | 2:b9c08958fef9 | 150 | wait_ms(50); |
alex_asi_elec | 2:b9c08958fef9 | 151 | |
alex_asi_elec | 2:b9c08958fef9 | 152 | wr_cmd(ST7735_NORON); // Normal ON |
alex_asi_elec | 2:b9c08958fef9 | 153 | wr_dat(DELAY); |
alex_asi_elec | 2:b9c08958fef9 | 154 | wait_ms(10); |
alex_asi_elec | 2:b9c08958fef9 | 155 | |
alex_asi_elec | 2:b9c08958fef9 | 156 | wr_cmd(ST7735_DISPON); // Main screen ON |
alex_asi_elec | 2:b9c08958fef9 | 157 | wr_dat(DELAY); |
alex_asi_elec | 2:b9c08958fef9 | 158 | wait_ms(500); |
alex_asi_elec | 2:b9c08958fef9 | 159 | |
alex_asi_elec | 2:b9c08958fef9 | 160 | switch (orientation) { |
alex_asi_elec | 2:b9c08958fef9 | 161 | case 0: |
alex_asi_elec | 2:b9c08958fef9 | 162 | wr_reg(0xC8, 0x0008); |
alex_asi_elec | 2:b9c08958fef9 | 163 | break; |
alex_asi_elec | 2:b9c08958fef9 | 164 | case 1: |
alex_asi_elec | 2:b9c08958fef9 | 165 | wr_reg(0xC8, 0x0068); |
alex_asi_elec | 2:b9c08958fef9 | 166 | break; |
alex_asi_elec | 2:b9c08958fef9 | 167 | case 2: |
alex_asi_elec | 2:b9c08958fef9 | 168 | wr_reg(0xC8, 0x00C8); |
alex_asi_elec | 2:b9c08958fef9 | 169 | break; |
alex_asi_elec | 2:b9c08958fef9 | 170 | case 3: |
alex_asi_elec | 2:b9c08958fef9 | 171 | wr_reg(0xC8, 0x00A8); |
alex_asi_elec | 2:b9c08958fef9 | 172 | break; |
alex_asi_elec | 2:b9c08958fef9 | 173 | } |
alex_asi_elec | 2:b9c08958fef9 | 174 | WindowMax (); |
alex_asi_elec | 2:b9c08958fef9 | 175 | } |
smultron1977 | 0:246f2fb5be59 | 176 | |
smultron1977 | 0:246f2fb5be59 | 177 | int ST7735_TFT::width() { |
alex_asi_elec | 2:b9c08958fef9 | 178 | if (orientation == 0 || orientation == 2) return 250;//128 |
alex_asi_elec | 2:b9c08958fef9 | 179 | else return 250; |
smultron1977 | 0:246f2fb5be59 | 180 | } |
smultron1977 | 0:246f2fb5be59 | 181 | |
smultron1977 | 0:246f2fb5be59 | 182 | |
smultron1977 | 0:246f2fb5be59 | 183 | int ST7735_TFT::height() { |
alex_asi_elec | 2:b9c08958fef9 | 184 | if (orientation == 0 || orientation == 2) return 250; |
alex_asi_elec | 2:b9c08958fef9 | 185 | else return 250; |
smultron1977 | 0:246f2fb5be59 | 186 | } |
smultron1977 | 0:246f2fb5be59 | 187 | |
smultron1977 | 0:246f2fb5be59 | 188 | |
smultron1977 | 0:246f2fb5be59 | 189 | void ST7735_TFT::set_orientation(unsigned int o) { |
smultron1977 | 0:246f2fb5be59 | 190 | orientation = o; |
smultron1977 | 0:246f2fb5be59 | 191 | switch (orientation) { |
smultron1977 | 0:246f2fb5be59 | 192 | case 0: |
smultron1977 | 0:246f2fb5be59 | 193 | wr_reg(ST7735_MADCTL, 0x0008); |
smultron1977 | 0:246f2fb5be59 | 194 | break; |
smultron1977 | 0:246f2fb5be59 | 195 | case 1: |
smultron1977 | 0:246f2fb5be59 | 196 | wr_reg(ST7735_MADCTL, 0x0068); |
smultron1977 | 0:246f2fb5be59 | 197 | break; |
smultron1977 | 0:246f2fb5be59 | 198 | case 2: |
smultron1977 | 0:246f2fb5be59 | 199 | wr_reg(ST7735_MADCTL, 0x00C8); |
smultron1977 | 0:246f2fb5be59 | 200 | break; |
smultron1977 | 0:246f2fb5be59 | 201 | case 3: |
smultron1977 | 0:246f2fb5be59 | 202 | wr_reg(ST7735_MADCTL, 0x00A8); |
smultron1977 | 0:246f2fb5be59 | 203 | break; |
smultron1977 | 0:246f2fb5be59 | 204 | } |
smultron1977 | 0:246f2fb5be59 | 205 | } |
smultron1977 | 0:246f2fb5be59 | 206 | |
smultron1977 | 0:246f2fb5be59 | 207 | |
smultron1977 | 0:246f2fb5be59 | 208 | |
smultron1977 | 0:246f2fb5be59 | 209 | void ST7735_TFT::wr_cmd(int cmd) { |
smultron1977 | 0:246f2fb5be59 | 210 | _rs = 0; // rs low, cs low for transmitting command |
smultron1977 | 0:246f2fb5be59 | 211 | _cs = 0; |
smultron1977 | 0:246f2fb5be59 | 212 | _spi.write(cmd); |
smultron1977 | 0:246f2fb5be59 | 213 | _cs = 1; |
smultron1977 | 0:246f2fb5be59 | 214 | } |
smultron1977 | 0:246f2fb5be59 | 215 | |
smultron1977 | 0:246f2fb5be59 | 216 | |
smultron1977 | 0:246f2fb5be59 | 217 | |
smultron1977 | 0:246f2fb5be59 | 218 | void ST7735_TFT::wr_dat(int dat) { |
smultron1977 | 0:246f2fb5be59 | 219 | _rs = 1; // rs high, cs low for transmitting data |
smultron1977 | 0:246f2fb5be59 | 220 | _cs = 0; |
smultron1977 | 0:246f2fb5be59 | 221 | _spi.write(dat); |
smultron1977 | 0:246f2fb5be59 | 222 | _cs = 1; |
smultron1977 | 0:246f2fb5be59 | 223 | } |
smultron1977 | 0:246f2fb5be59 | 224 | |
smultron1977 | 0:246f2fb5be59 | 225 | |
smultron1977 | 0:246f2fb5be59 | 226 | |
smultron1977 | 0:246f2fb5be59 | 227 | void ST7735_TFT::wr_dat_start(void) { |
smultron1977 | 0:246f2fb5be59 | 228 | _rs = 1; // rs high, cs low for transmitting data |
smultron1977 | 0:246f2fb5be59 | 229 | _cs = 0; |
smultron1977 | 0:246f2fb5be59 | 230 | } |
smultron1977 | 0:246f2fb5be59 | 231 | |
smultron1977 | 0:246f2fb5be59 | 232 | |
smultron1977 | 0:246f2fb5be59 | 233 | |
smultron1977 | 0:246f2fb5be59 | 234 | void ST7735_TFT::wr_dat_stop (void) { |
smultron1977 | 0:246f2fb5be59 | 235 | _cs = 1; |
smultron1977 | 0:246f2fb5be59 | 236 | } |
smultron1977 | 0:246f2fb5be59 | 237 | |
smultron1977 | 0:246f2fb5be59 | 238 | |
smultron1977 | 0:246f2fb5be59 | 239 | |
smultron1977 | 0:246f2fb5be59 | 240 | void ST7735_TFT::wr_dat_only (unsigned short dat) { |
smultron1977 | 0:246f2fb5be59 | 241 | _spi.write(dat); |
smultron1977 | 0:246f2fb5be59 | 242 | } |
smultron1977 | 0:246f2fb5be59 | 243 | |
smultron1977 | 0:246f2fb5be59 | 244 | |
smultron1977 | 0:246f2fb5be59 | 245 | unsigned short ST7735_TFT::rd_dat (void) { |
smultron1977 | 0:246f2fb5be59 | 246 | unsigned short val = 0; |
smultron1977 | 0:246f2fb5be59 | 247 | _cs = 0; |
smultron1977 | 0:246f2fb5be59 | 248 | _spi.write(0); /* Dummy read 1 */ |
smultron1977 | 0:246f2fb5be59 | 249 | val = _spi.write(0); /* Read D8..D15 */ |
smultron1977 | 0:246f2fb5be59 | 250 | val <<= 8; |
smultron1977 | 0:246f2fb5be59 | 251 | val |= _spi.write(0); /* Read D0..D7 */ |
smultron1977 | 0:246f2fb5be59 | 252 | _cs = 1; |
smultron1977 | 0:246f2fb5be59 | 253 | return (val); |
smultron1977 | 0:246f2fb5be59 | 254 | } |
smultron1977 | 0:246f2fb5be59 | 255 | |
smultron1977 | 0:246f2fb5be59 | 256 | void ST7735_TFT::wr_reg (unsigned char reg, unsigned short val) { |
smultron1977 | 0:246f2fb5be59 | 257 | |
smultron1977 | 0:246f2fb5be59 | 258 | wr_cmd(reg); |
smultron1977 | 0:246f2fb5be59 | 259 | wr_dat(val); |
smultron1977 | 0:246f2fb5be59 | 260 | } |
smultron1977 | 0:246f2fb5be59 | 261 | |
smultron1977 | 0:246f2fb5be59 | 262 | |
smultron1977 | 0:246f2fb5be59 | 263 | unsigned short ST7735_TFT::rd_reg (unsigned char reg) { |
smultron1977 | 0:246f2fb5be59 | 264 | |
smultron1977 | 0:246f2fb5be59 | 265 | wr_cmd(reg); |
smultron1977 | 0:246f2fb5be59 | 266 | return(rd_dat()); |
smultron1977 | 0:246f2fb5be59 | 267 | } |
smultron1977 | 0:246f2fb5be59 | 268 | |
smultron1977 | 0:246f2fb5be59 | 269 | void ST7735_TFT::read_area(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *buffer) { |
smultron1977 | 0:246f2fb5be59 | 270 | // BEWARE ! |
smultron1977 | 0:246f2fb5be59 | 271 | // DOES NOT WORK CORRECTLY YET !!! |
smultron1977 | 0:246f2fb5be59 | 272 | int val; |
smultron1977 | 0:246f2fb5be59 | 273 | window(x,y,w,h); |
smultron1977 | 0:246f2fb5be59 | 274 | wr_cmd(ST7735_RAMRD); // write to RAM |
smultron1977 | 0:246f2fb5be59 | 275 | _cs = 0; |
smultron1977 | 0:246f2fb5be59 | 276 | _rs = 1; |
smultron1977 | 0:246f2fb5be59 | 277 | _spi.write(0); /* Dummy read 1 */ |
smultron1977 | 0:246f2fb5be59 | 278 | |
smultron1977 | 0:246f2fb5be59 | 279 | val = _spi.write(0); /* Read D8..D15 */ |
smultron1977 | 0:246f2fb5be59 | 280 | val <<= 8; |
smultron1977 | 0:246f2fb5be59 | 281 | val |= _spi.write(0); /* Read D0..D7 */ |
smultron1977 | 0:246f2fb5be59 | 282 | _cs = 1; |
smultron1977 | 0:246f2fb5be59 | 283 | } |
smultron1977 | 0:246f2fb5be59 | 284 | |
smultron1977 | 0:246f2fb5be59 | 285 | int ST7735_TFT::getpixel(unsigned int x, unsigned int y) { |
smultron1977 | 0:246f2fb5be59 | 286 | // BEWARE ! |
smultron1977 | 0:246f2fb5be59 | 287 | // DOES NOT WORK CORRECTLY YET !!! |
smultron1977 | 0:246f2fb5be59 | 288 | int val; |
smultron1977 | 0:246f2fb5be59 | 289 | _spi.format(8,3); |
smultron1977 | 0:246f2fb5be59 | 290 | wr_cmd(ST7735_CASET); // column addr set |
smultron1977 | 0:246f2fb5be59 | 291 | wr_dat(0x00); |
smultron1977 | 0:246f2fb5be59 | 292 | wr_dat(x+2); // XSTART |
smultron1977 | 0:246f2fb5be59 | 293 | wr_dat(0x00); |
smultron1977 | 0:246f2fb5be59 | 294 | wr_dat(x+2+2); // XEND |
smultron1977 | 0:246f2fb5be59 | 295 | |
smultron1977 | 0:246f2fb5be59 | 296 | wr_cmd(ST7735_RASET); // row addr set |
smultron1977 | 0:246f2fb5be59 | 297 | wr_dat(0x00); |
smultron1977 | 0:246f2fb5be59 | 298 | wr_dat(y+1); // YSTART |
smultron1977 | 0:246f2fb5be59 | 299 | wr_dat(0x00); |
smultron1977 | 0:246f2fb5be59 | 300 | wr_dat(y+1+1); // YEND |
smultron1977 | 0:246f2fb5be59 | 301 | |
smultron1977 | 0:246f2fb5be59 | 302 | _rs = 0; // rs low, cs low for transmitting command |
smultron1977 | 0:246f2fb5be59 | 303 | _cs = 0; |
smultron1977 | 0:246f2fb5be59 | 304 | _spi.write(0x2E); |
smultron1977 | 0:246f2fb5be59 | 305 | _rs = 1; |
smultron1977 | 0:246f2fb5be59 | 306 | _spi.write(0x00); /* Dummy read 1 */ |
smultron1977 | 0:246f2fb5be59 | 307 | |
smultron1977 | 0:246f2fb5be59 | 308 | val = _spi.write(0x00); /* Read D8..D15 */ |
smultron1977 | 0:246f2fb5be59 | 309 | val <<= 8; |
smultron1977 | 0:246f2fb5be59 | 310 | val |= _spi.write(0x00); /* Read D0..D7 */ |
smultron1977 | 0:246f2fb5be59 | 311 | |
smultron1977 | 0:246f2fb5be59 | 312 | _cs = 1; |
smultron1977 | 0:246f2fb5be59 | 313 | return val; |
smultron1977 | 0:246f2fb5be59 | 314 | } |
smultron1977 | 0:246f2fb5be59 | 315 | |
smultron1977 | 0:246f2fb5be59 | 316 | |
smultron1977 | 0:246f2fb5be59 | 317 | void ST7735_TFT::tft_reset() { |
smultron1977 | 0:246f2fb5be59 | 318 | static unsigned short driverCode; |
smultron1977 | 0:246f2fb5be59 | 319 | |
smultron1977 | 0:246f2fb5be59 | 320 | // init SPI |
smultron1977 | 0:246f2fb5be59 | 321 | _spi.format(8,3); // 8 bit spi mode 3 |
smultron1977 | 1:967235e6fd48 | 322 | _spi.frequency(16000000); // 16Mhz SPI clock ... 15Mhz is maximum for display, but it seems to work |
smultron1977 | 0:246f2fb5be59 | 323 | |
smultron1977 | 0:246f2fb5be59 | 324 | // reset exactly like in Arduino version |
smultron1977 | 0:246f2fb5be59 | 325 | _cs = 0; |
smultron1977 | 0:246f2fb5be59 | 326 | _reset = 1; // reset |
smultron1977 | 0:246f2fb5be59 | 327 | wait_ms(500); |
smultron1977 | 0:246f2fb5be59 | 328 | _reset = 0; // reset |
smultron1977 | 0:246f2fb5be59 | 329 | wait_ms(500); |
smultron1977 | 0:246f2fb5be59 | 330 | _reset = 1; // reset |
smultron1977 | 0:246f2fb5be59 | 331 | wait_ms(500); |
smultron1977 | 0:246f2fb5be59 | 332 | |
smultron1977 | 0:246f2fb5be59 | 333 | /* Start Initial Sequence ----------------------------------------------------*/ |
smultron1977 | 0:246f2fb5be59 | 334 | wr_cmd(ST7735_SWRESET); /* SW Reset */ |
smultron1977 | 0:246f2fb5be59 | 335 | wait_ms(150); |
smultron1977 | 0:246f2fb5be59 | 336 | wr_cmd(ST7735_SLPOUT); /* Out of sleepmode */ |
smultron1977 | 0:246f2fb5be59 | 337 | wait_ms(500); |
smultron1977 | 0:246f2fb5be59 | 338 | |
smultron1977 | 0:246f2fb5be59 | 339 | wr_cmd(ST7735_FRMCTR1); /* Frame rate in normal mode */ |
smultron1977 | 0:246f2fb5be59 | 340 | wr_dat(0x01); |
smultron1977 | 0:246f2fb5be59 | 341 | wr_dat(0x2C); |
smultron1977 | 0:246f2fb5be59 | 342 | wr_dat(0x2D); |
smultron1977 | 0:246f2fb5be59 | 343 | |
smultron1977 | 0:246f2fb5be59 | 344 | wr_cmd(ST7735_FRMCTR2); /* Frame rate in idle mode */ |
smultron1977 | 0:246f2fb5be59 | 345 | wr_dat(0x01); |
smultron1977 | 0:246f2fb5be59 | 346 | wr_dat(0x2C); |
smultron1977 | 0:246f2fb5be59 | 347 | wr_dat(0x2D); |
smultron1977 | 0:246f2fb5be59 | 348 | |
smultron1977 | 0:246f2fb5be59 | 349 | wr_cmd(ST7735_FRMCTR3); /* Frame rate in partial mode */ |
smultron1977 | 0:246f2fb5be59 | 350 | wr_dat(0x01); |
smultron1977 | 0:246f2fb5be59 | 351 | wr_dat(0x2C); |
smultron1977 | 0:246f2fb5be59 | 352 | wr_dat(0x2D); |
smultron1977 | 0:246f2fb5be59 | 353 | wr_dat(0x01); // inversion mode settings |
smultron1977 | 0:246f2fb5be59 | 354 | wr_dat(0x2C); |
smultron1977 | 0:246f2fb5be59 | 355 | wr_dat(0x2D); |
smultron1977 | 0:246f2fb5be59 | 356 | |
smultron1977 | 0:246f2fb5be59 | 357 | wr_cmd(ST7735_INVCTR); // Inverted mode off |
smultron1977 | 0:246f2fb5be59 | 358 | wr_dat(0x07); |
smultron1977 | 0:246f2fb5be59 | 359 | |
smultron1977 | 0:246f2fb5be59 | 360 | wr_cmd(ST7735_PWCTR1); // POWER CONTROL 1 |
smultron1977 | 0:246f2fb5be59 | 361 | wr_dat(0xA2); |
smultron1977 | 0:246f2fb5be59 | 362 | wr_dat(0x02); // -4.6V |
smultron1977 | 0:246f2fb5be59 | 363 | wr_dat(0x84); // AUTO mode |
smultron1977 | 0:246f2fb5be59 | 364 | |
smultron1977 | 0:246f2fb5be59 | 365 | wr_cmd(ST7735_PWCTR2); // POWER CONTROL 2 |
smultron1977 | 0:246f2fb5be59 | 366 | wr_dat(0xC5); // VGH25 = 2.4C VGSEL =-10 VGH = 3*AVDD |
smultron1977 | 0:246f2fb5be59 | 367 | |
smultron1977 | 0:246f2fb5be59 | 368 | wr_cmd(ST7735_PWCTR3); // POWER CONTROL 3 |
smultron1977 | 0:246f2fb5be59 | 369 | wr_dat(0x0A); // Opamp current small |
smultron1977 | 0:246f2fb5be59 | 370 | wr_dat(0x00); // Boost freq |
smultron1977 | 0:246f2fb5be59 | 371 | |
smultron1977 | 0:246f2fb5be59 | 372 | wr_cmd(ST7735_PWCTR4); // POWER CONTROL 4 |
smultron1977 | 0:246f2fb5be59 | 373 | wr_dat(0x8A); // BCLK/2, Opamp current small / medium low |
smultron1977 | 0:246f2fb5be59 | 374 | wr_dat(0x2A); // |
smultron1977 | 0:246f2fb5be59 | 375 | |
smultron1977 | 0:246f2fb5be59 | 376 | wr_cmd(ST7735_PWCTR5); // POWER CONTROL 5 |
smultron1977 | 0:246f2fb5be59 | 377 | wr_dat(0x8A); // BCLK/2, Opamp current small / medium low |
smultron1977 | 0:246f2fb5be59 | 378 | wr_dat(0xEE); // |
smultron1977 | 0:246f2fb5be59 | 379 | |
smultron1977 | 0:246f2fb5be59 | 380 | wr_cmd(ST7735_VMCTR1); // POWER CONTROL 6 |
smultron1977 | 0:246f2fb5be59 | 381 | wr_dat(0x0E); // |
smultron1977 | 0:246f2fb5be59 | 382 | |
smultron1977 | 0:246f2fb5be59 | 383 | wr_cmd(ST7735_INVOFF); // INVOFF |
smultron1977 | 0:246f2fb5be59 | 384 | |
smultron1977 | 0:246f2fb5be59 | 385 | wr_cmd(ST7735_MADCTL); // ORIENTATION |
smultron1977 | 0:246f2fb5be59 | 386 | wr_dat(0xC8); // |
smultron1977 | 0:246f2fb5be59 | 387 | |
smultron1977 | 0:246f2fb5be59 | 388 | wr_cmd(ST7735_COLMOD); // COLOR MODE |
smultron1977 | 0:246f2fb5be59 | 389 | wr_dat(0x05); // |
smultron1977 | 0:246f2fb5be59 | 390 | |
smultron1977 | 0:246f2fb5be59 | 391 | wr_cmd(ST7735_CASET); // COLUMN ADDR SET |
smultron1977 | 0:246f2fb5be59 | 392 | wr_dat(0x00); // |
smultron1977 | 0:246f2fb5be59 | 393 | wr_dat(0x00); // xstart = 0 |
smultron1977 | 0:246f2fb5be59 | 394 | wr_dat(0x00); // |
alex_asi_elec | 2:b9c08958fef9 | 395 | wr_dat(0x7F); // xend = 127 7F |
smultron1977 | 0:246f2fb5be59 | 396 | |
smultron1977 | 0:246f2fb5be59 | 397 | wr_cmd(ST7735_RASET); // ROW ADDR SET |
smultron1977 | 0:246f2fb5be59 | 398 | wr_dat(0x00); // |
smultron1977 | 0:246f2fb5be59 | 399 | wr_dat(0x00); // ystart = 0 |
smultron1977 | 0:246f2fb5be59 | 400 | wr_dat(0x00); // |
smultron1977 | 0:246f2fb5be59 | 401 | wr_dat(0x9F); // yend = 159 |
smultron1977 | 0:246f2fb5be59 | 402 | |
smultron1977 | 0:246f2fb5be59 | 403 | /* Gamma settings -----------------------------------------------------------*/ |
smultron1977 | 0:246f2fb5be59 | 404 | |
smultron1977 | 0:246f2fb5be59 | 405 | wr_cmd(0xE0); // GMCTRP1 |
smultron1977 | 0:246f2fb5be59 | 406 | wr_dat(0x02); |
smultron1977 | 0:246f2fb5be59 | 407 | wr_dat(0x1c); |
smultron1977 | 0:246f2fb5be59 | 408 | wr_dat(0x07); |
smultron1977 | 0:246f2fb5be59 | 409 | wr_dat(0x12); |
smultron1977 | 0:246f2fb5be59 | 410 | wr_dat(0x37); |
smultron1977 | 0:246f2fb5be59 | 411 | wr_dat(0x32); |
smultron1977 | 0:246f2fb5be59 | 412 | wr_dat(0x29); |
smultron1977 | 0:246f2fb5be59 | 413 | wr_dat(0x2d); |
smultron1977 | 0:246f2fb5be59 | 414 | wr_dat(0x29); |
smultron1977 | 0:246f2fb5be59 | 415 | wr_dat(0x25); |
smultron1977 | 0:246f2fb5be59 | 416 | wr_dat(0x2B); |
smultron1977 | 0:246f2fb5be59 | 417 | wr_dat(0x39); |
smultron1977 | 0:246f2fb5be59 | 418 | wr_dat(0x00); |
smultron1977 | 0:246f2fb5be59 | 419 | wr_dat(0x01); |
smultron1977 | 0:246f2fb5be59 | 420 | wr_dat(0x03); |
smultron1977 | 0:246f2fb5be59 | 421 | wr_dat(0x10); |
smultron1977 | 0:246f2fb5be59 | 422 | wr_cmd(0xE1); // GMCTRN1 |
smultron1977 | 0:246f2fb5be59 | 423 | wr_dat(0x03); |
smultron1977 | 0:246f2fb5be59 | 424 | wr_dat(0x1d); |
smultron1977 | 0:246f2fb5be59 | 425 | wr_dat(0x07); |
smultron1977 | 0:246f2fb5be59 | 426 | wr_dat(0x06); |
smultron1977 | 0:246f2fb5be59 | 427 | wr_dat(0x2E); |
smultron1977 | 0:246f2fb5be59 | 428 | wr_dat(0x2C); |
smultron1977 | 0:246f2fb5be59 | 429 | wr_dat(0x29); |
smultron1977 | 0:246f2fb5be59 | 430 | wr_dat(0x2D); |
smultron1977 | 0:246f2fb5be59 | 431 | wr_dat(0x2E); |
smultron1977 | 0:246f2fb5be59 | 432 | wr_dat(0x2E); |
smultron1977 | 0:246f2fb5be59 | 433 | wr_dat(0x37); |
smultron1977 | 0:246f2fb5be59 | 434 | wr_dat(0x3F); |
smultron1977 | 0:246f2fb5be59 | 435 | wr_dat(0x00); |
smultron1977 | 0:246f2fb5be59 | 436 | wr_dat(0x00); |
smultron1977 | 0:246f2fb5be59 | 437 | wr_dat(0x02); |
smultron1977 | 0:246f2fb5be59 | 438 | wr_dat(0x10); |
smultron1977 | 0:246f2fb5be59 | 439 | |
smultron1977 | 0:246f2fb5be59 | 440 | wr_cmd(ST7735_DISPON); // display ON |
smultron1977 | 0:246f2fb5be59 | 441 | wait_ms(100); |
smultron1977 | 0:246f2fb5be59 | 442 | |
smultron1977 | 0:246f2fb5be59 | 443 | wr_cmd(ST7735_NORON); // normal display on |
smultron1977 | 0:246f2fb5be59 | 444 | wait_ms(10); |
smultron1977 | 0:246f2fb5be59 | 445 | |
smultron1977 | 0:246f2fb5be59 | 446 | switch (orientation) { |
smultron1977 | 0:246f2fb5be59 | 447 | case 0: |
smultron1977 | 0:246f2fb5be59 | 448 | wr_reg(0xC8, 0x0008); |
smultron1977 | 0:246f2fb5be59 | 449 | break; |
smultron1977 | 0:246f2fb5be59 | 450 | case 1: |
smultron1977 | 0:246f2fb5be59 | 451 | wr_reg(0xC8, 0x0068); |
smultron1977 | 0:246f2fb5be59 | 452 | break; |
smultron1977 | 0:246f2fb5be59 | 453 | case 2: |
smultron1977 | 0:246f2fb5be59 | 454 | wr_reg(0xC8, 0x00C8); |
smultron1977 | 0:246f2fb5be59 | 455 | break; |
smultron1977 | 0:246f2fb5be59 | 456 | case 3: |
smultron1977 | 0:246f2fb5be59 | 457 | wr_reg(0xC8, 0x00A8); |
smultron1977 | 0:246f2fb5be59 | 458 | break; |
smultron1977 | 0:246f2fb5be59 | 459 | } |
smultron1977 | 0:246f2fb5be59 | 460 | WindowMax (); |
smultron1977 | 0:246f2fb5be59 | 461 | } |
smultron1977 | 0:246f2fb5be59 | 462 | |
smultron1977 | 0:246f2fb5be59 | 463 | |
smultron1977 | 0:246f2fb5be59 | 464 | void ST7735_TFT::pixel(int x, int y, int color) { |
alex_asi_elec | 2:b9c08958fef9 | 465 | //if ((x >= width()) || (y >= height())) return;******************************************!!!!!!!!!!!!!***** |
smultron1977 | 0:246f2fb5be59 | 466 | |
smultron1977 | 0:246f2fb5be59 | 467 | window(x,y,x+1,y+1); |
smultron1977 | 0:246f2fb5be59 | 468 | |
smultron1977 | 0:246f2fb5be59 | 469 | // setup for data |
smultron1977 | 0:246f2fb5be59 | 470 | _rs = 1; |
smultron1977 | 0:246f2fb5be59 | 471 | _cs = 0; |
smultron1977 | 0:246f2fb5be59 | 472 | _spi.format(16,3); |
smultron1977 | 0:246f2fb5be59 | 473 | _spi.write(color); |
smultron1977 | 0:246f2fb5be59 | 474 | _cs = 1; |
smultron1977 | 0:246f2fb5be59 | 475 | _spi.format(8,3); |
smultron1977 | 0:246f2fb5be59 | 476 | } |
smultron1977 | 0:246f2fb5be59 | 477 | |
smultron1977 | 0:246f2fb5be59 | 478 | void ST7735_TFT::window (unsigned int x, unsigned int y, unsigned int w, unsigned int h) { |
smultron1977 | 0:246f2fb5be59 | 479 | wr_cmd(ST7735_CASET); // column addr set |
smultron1977 | 0:246f2fb5be59 | 480 | wr_dat(0x00); |
smultron1977 | 0:246f2fb5be59 | 481 | wr_dat(x+2); // XSTART |
smultron1977 | 0:246f2fb5be59 | 482 | wr_dat(0x00); |
smultron1977 | 0:246f2fb5be59 | 483 | wr_dat(x+w+1); // XEND |
smultron1977 | 0:246f2fb5be59 | 484 | |
smultron1977 | 0:246f2fb5be59 | 485 | wr_cmd(ST7735_RASET); // row addr set |
smultron1977 | 0:246f2fb5be59 | 486 | wr_dat(0x00); |
smultron1977 | 0:246f2fb5be59 | 487 | wr_dat(y+1); // YSTART |
smultron1977 | 0:246f2fb5be59 | 488 | wr_dat(0x00); |
smultron1977 | 0:246f2fb5be59 | 489 | wr_dat(y+h+1); // YEND |
smultron1977 | 0:246f2fb5be59 | 490 | |
smultron1977 | 0:246f2fb5be59 | 491 | wr_cmd(ST7735_RAMWR); // write to RAM |
smultron1977 | 0:246f2fb5be59 | 492 | } |
smultron1977 | 0:246f2fb5be59 | 493 | |
smultron1977 | 0:246f2fb5be59 | 494 | |
smultron1977 | 0:246f2fb5be59 | 495 | void ST7735_TFT::WindowMax (void) { |
smultron1977 | 0:246f2fb5be59 | 496 | window (0, 0, width(), height()); |
smultron1977 | 0:246f2fb5be59 | 497 | } |
smultron1977 | 0:246f2fb5be59 | 498 | |
smultron1977 | 0:246f2fb5be59 | 499 | |
smultron1977 | 0:246f2fb5be59 | 500 | void ST7735_TFT::cls (void) { |
smultron1977 | 0:246f2fb5be59 | 501 | unsigned int i; |
smultron1977 | 0:246f2fb5be59 | 502 | WindowMax(); |
smultron1977 | 0:246f2fb5be59 | 503 | wr_dat_start(); |
smultron1977 | 0:246f2fb5be59 | 504 | _spi.format(16,3); |
smultron1977 | 0:246f2fb5be59 | 505 | for (i = 0; i < ( (width()+1) * (height()+3)); i++) { |
smultron1977 | 0:246f2fb5be59 | 506 | _spi.write(_background); |
smultron1977 | 0:246f2fb5be59 | 507 | } |
smultron1977 | 0:246f2fb5be59 | 508 | _spi.format(8,3); |
smultron1977 | 0:246f2fb5be59 | 509 | wr_dat_stop(); |
smultron1977 | 0:246f2fb5be59 | 510 | } |
smultron1977 | 0:246f2fb5be59 | 511 | |
smultron1977 | 0:246f2fb5be59 | 512 | |
smultron1977 | 0:246f2fb5be59 | 513 | void ST7735_TFT::circle(int x0, int y0, int r, int color) { |
smultron1977 | 0:246f2fb5be59 | 514 | |
smultron1977 | 0:246f2fb5be59 | 515 | int draw_x0, draw_y0; |
smultron1977 | 0:246f2fb5be59 | 516 | int draw_x1, draw_y1; |
smultron1977 | 0:246f2fb5be59 | 517 | int draw_x2, draw_y2; |
smultron1977 | 0:246f2fb5be59 | 518 | int draw_x3, draw_y3; |
smultron1977 | 0:246f2fb5be59 | 519 | int draw_x4, draw_y4; |
smultron1977 | 0:246f2fb5be59 | 520 | int draw_x5, draw_y5; |
smultron1977 | 0:246f2fb5be59 | 521 | int draw_x6, draw_y6; |
smultron1977 | 0:246f2fb5be59 | 522 | int draw_x7, draw_y7; |
smultron1977 | 0:246f2fb5be59 | 523 | int xx, yy; |
smultron1977 | 0:246f2fb5be59 | 524 | int di; |
smultron1977 | 0:246f2fb5be59 | 525 | WindowMax(); |
smultron1977 | 0:246f2fb5be59 | 526 | if (r == 0) { /* no radius */ |
smultron1977 | 0:246f2fb5be59 | 527 | return; |
smultron1977 | 0:246f2fb5be59 | 528 | } |
smultron1977 | 0:246f2fb5be59 | 529 | |
smultron1977 | 0:246f2fb5be59 | 530 | draw_x0 = draw_x1 = x0; |
smultron1977 | 0:246f2fb5be59 | 531 | draw_y0 = draw_y1 = y0 + r; |
smultron1977 | 0:246f2fb5be59 | 532 | if (draw_y0 < height()) { |
smultron1977 | 0:246f2fb5be59 | 533 | pixel(draw_x0, draw_y0, color); /* 90 degree */ |
smultron1977 | 0:246f2fb5be59 | 534 | } |
smultron1977 | 0:246f2fb5be59 | 535 | |
smultron1977 | 0:246f2fb5be59 | 536 | draw_x2 = draw_x3 = x0; |
smultron1977 | 0:246f2fb5be59 | 537 | draw_y2 = draw_y3 = y0 - r; |
smultron1977 | 0:246f2fb5be59 | 538 | if (draw_y2 >= 0) { |
smultron1977 | 0:246f2fb5be59 | 539 | pixel(draw_x2, draw_y2, color); /* 270 degree */ |
smultron1977 | 0:246f2fb5be59 | 540 | } |
smultron1977 | 0:246f2fb5be59 | 541 | |
smultron1977 | 0:246f2fb5be59 | 542 | draw_x4 = draw_x6 = x0 + r; |
smultron1977 | 0:246f2fb5be59 | 543 | draw_y4 = draw_y6 = y0; |
smultron1977 | 0:246f2fb5be59 | 544 | if (draw_x4 < width()) { |
smultron1977 | 0:246f2fb5be59 | 545 | pixel(draw_x4, draw_y4, color); /* 0 degree */ |
smultron1977 | 0:246f2fb5be59 | 546 | } |
smultron1977 | 0:246f2fb5be59 | 547 | |
smultron1977 | 0:246f2fb5be59 | 548 | draw_x5 = draw_x7 = x0 - r; |
smultron1977 | 0:246f2fb5be59 | 549 | draw_y5 = draw_y7 = y0; |
smultron1977 | 0:246f2fb5be59 | 550 | if (draw_x5>=0) { |
smultron1977 | 0:246f2fb5be59 | 551 | pixel(draw_x5, draw_y5, color); /* 180 degree */ |
smultron1977 | 0:246f2fb5be59 | 552 | } |
smultron1977 | 0:246f2fb5be59 | 553 | |
smultron1977 | 0:246f2fb5be59 | 554 | if (r == 1) { |
smultron1977 | 0:246f2fb5be59 | 555 | return; |
smultron1977 | 0:246f2fb5be59 | 556 | } |
smultron1977 | 0:246f2fb5be59 | 557 | |
smultron1977 | 0:246f2fb5be59 | 558 | di = 3 - 2*r; |
smultron1977 | 0:246f2fb5be59 | 559 | xx = 0; |
smultron1977 | 0:246f2fb5be59 | 560 | yy = r; |
smultron1977 | 0:246f2fb5be59 | 561 | while (xx < yy) { |
smultron1977 | 0:246f2fb5be59 | 562 | |
smultron1977 | 0:246f2fb5be59 | 563 | if (di < 0) { |
smultron1977 | 0:246f2fb5be59 | 564 | di += 4*xx + 6; |
smultron1977 | 0:246f2fb5be59 | 565 | } else { |
smultron1977 | 0:246f2fb5be59 | 566 | di += 4*(xx - yy) + 10; |
smultron1977 | 0:246f2fb5be59 | 567 | yy--; |
smultron1977 | 0:246f2fb5be59 | 568 | draw_y0--; |
smultron1977 | 0:246f2fb5be59 | 569 | draw_y1--; |
smultron1977 | 0:246f2fb5be59 | 570 | draw_y2++; |
smultron1977 | 0:246f2fb5be59 | 571 | draw_y3++; |
smultron1977 | 0:246f2fb5be59 | 572 | draw_x4--; |
smultron1977 | 0:246f2fb5be59 | 573 | draw_x5++; |
smultron1977 | 0:246f2fb5be59 | 574 | draw_x6--; |
smultron1977 | 0:246f2fb5be59 | 575 | draw_x7++; |
smultron1977 | 0:246f2fb5be59 | 576 | } |
smultron1977 | 0:246f2fb5be59 | 577 | xx++; |
smultron1977 | 0:246f2fb5be59 | 578 | draw_x0++; |
smultron1977 | 0:246f2fb5be59 | 579 | draw_x1--; |
smultron1977 | 0:246f2fb5be59 | 580 | draw_x2++; |
smultron1977 | 0:246f2fb5be59 | 581 | draw_x3--; |
smultron1977 | 0:246f2fb5be59 | 582 | draw_y4++; |
smultron1977 | 0:246f2fb5be59 | 583 | draw_y5++; |
smultron1977 | 0:246f2fb5be59 | 584 | draw_y6--; |
smultron1977 | 0:246f2fb5be59 | 585 | draw_y7--; |
smultron1977 | 0:246f2fb5be59 | 586 | |
smultron1977 | 0:246f2fb5be59 | 587 | if ( (draw_x0 <= width()) && (draw_y0>=0) ) { |
smultron1977 | 0:246f2fb5be59 | 588 | pixel(draw_x0, draw_y0, color); |
smultron1977 | 0:246f2fb5be59 | 589 | } |
smultron1977 | 0:246f2fb5be59 | 590 | |
smultron1977 | 0:246f2fb5be59 | 591 | if ( (draw_x1 >= 0) && (draw_y1 >= 0) ) { |
smultron1977 | 0:246f2fb5be59 | 592 | pixel(draw_x1, draw_y1, color); |
smultron1977 | 0:246f2fb5be59 | 593 | } |
smultron1977 | 0:246f2fb5be59 | 594 | |
smultron1977 | 0:246f2fb5be59 | 595 | if ( (draw_x2 <= width()) && (draw_y2 <= height()) ) { |
smultron1977 | 0:246f2fb5be59 | 596 | pixel(draw_x2, draw_y2, color); |
smultron1977 | 0:246f2fb5be59 | 597 | } |
smultron1977 | 0:246f2fb5be59 | 598 | |
smultron1977 | 0:246f2fb5be59 | 599 | if ( (draw_x3 >=0 ) && (draw_y3 <= height()) ) { |
smultron1977 | 0:246f2fb5be59 | 600 | pixel(draw_x3, draw_y3, color); |
smultron1977 | 0:246f2fb5be59 | 601 | } |
smultron1977 | 0:246f2fb5be59 | 602 | |
smultron1977 | 0:246f2fb5be59 | 603 | if ( (draw_x4 <= width()) && (draw_y4 >= 0) ) { |
smultron1977 | 0:246f2fb5be59 | 604 | pixel(draw_x4, draw_y4, color); |
smultron1977 | 0:246f2fb5be59 | 605 | } |
smultron1977 | 0:246f2fb5be59 | 606 | |
smultron1977 | 0:246f2fb5be59 | 607 | if ( (draw_x5 >= 0) && (draw_y5 >= 0) ) { |
smultron1977 | 0:246f2fb5be59 | 608 | pixel(draw_x5, draw_y5, color); |
smultron1977 | 0:246f2fb5be59 | 609 | } |
smultron1977 | 0:246f2fb5be59 | 610 | if ( (draw_x6 <=width()) && (draw_y6 <= height()) ) { |
smultron1977 | 0:246f2fb5be59 | 611 | pixel(draw_x6, draw_y6, color); |
smultron1977 | 0:246f2fb5be59 | 612 | } |
smultron1977 | 0:246f2fb5be59 | 613 | if ( (draw_x7 >= 0) && (draw_y7 <= height()) ) { |
smultron1977 | 0:246f2fb5be59 | 614 | pixel(draw_x7, draw_y7, color); |
smultron1977 | 0:246f2fb5be59 | 615 | } |
smultron1977 | 0:246f2fb5be59 | 616 | } |
smultron1977 | 0:246f2fb5be59 | 617 | return; |
smultron1977 | 0:246f2fb5be59 | 618 | } |
smultron1977 | 0:246f2fb5be59 | 619 | |
smultron1977 | 0:246f2fb5be59 | 620 | void ST7735_TFT::fillcircle(int x, int y, int r, int color) { |
smultron1977 | 0:246f2fb5be59 | 621 | int i; |
smultron1977 | 0:246f2fb5be59 | 622 | for (i = 0; i <= r; i++) |
smultron1977 | 0:246f2fb5be59 | 623 | circle(x,y,i,color); |
smultron1977 | 0:246f2fb5be59 | 624 | } |
smultron1977 | 0:246f2fb5be59 | 625 | |
smultron1977 | 0:246f2fb5be59 | 626 | |
smultron1977 | 0:246f2fb5be59 | 627 | |
smultron1977 | 0:246f2fb5be59 | 628 | void ST7735_TFT::hline(int x0, int x1, int y, int color) { |
smultron1977 | 0:246f2fb5be59 | 629 | int w; |
smultron1977 | 0:246f2fb5be59 | 630 | w = x1 - x0 + 1; |
smultron1977 | 0:246f2fb5be59 | 631 | window(x0,y,w,1); |
smultron1977 | 0:246f2fb5be59 | 632 | wr_cmd(0x2C); |
smultron1977 | 0:246f2fb5be59 | 633 | wr_dat_start(); |
smultron1977 | 0:246f2fb5be59 | 634 | for (int x=0; x<w; x++) { |
smultron1977 | 0:246f2fb5be59 | 635 | _spi.write(color); |
smultron1977 | 0:246f2fb5be59 | 636 | _spi.write(color >> 8); |
smultron1977 | 0:246f2fb5be59 | 637 | } |
smultron1977 | 0:246f2fb5be59 | 638 | wr_dat_stop(); |
smultron1977 | 0:246f2fb5be59 | 639 | return; |
smultron1977 | 0:246f2fb5be59 | 640 | } |
smultron1977 | 0:246f2fb5be59 | 641 | |
smultron1977 | 0:246f2fb5be59 | 642 | |
smultron1977 | 0:246f2fb5be59 | 643 | |
smultron1977 | 0:246f2fb5be59 | 644 | void ST7735_TFT::vline(int x, int y0, int y1, int color) { |
smultron1977 | 0:246f2fb5be59 | 645 | int h; |
smultron1977 | 0:246f2fb5be59 | 646 | h = y1 - y0 + 1; |
smultron1977 | 0:246f2fb5be59 | 647 | window(x,y0,1,h); |
smultron1977 | 0:246f2fb5be59 | 648 | wr_cmd(0x2C); |
smultron1977 | 0:246f2fb5be59 | 649 | wr_dat_start(); |
smultron1977 | 0:246f2fb5be59 | 650 | for (int y=0; y<h; y++) { |
smultron1977 | 0:246f2fb5be59 | 651 | _spi.write(color); |
smultron1977 | 0:246f2fb5be59 | 652 | _spi.write(color >> 8); |
smultron1977 | 0:246f2fb5be59 | 653 | } |
smultron1977 | 0:246f2fb5be59 | 654 | wr_dat_stop(); |
smultron1977 | 0:246f2fb5be59 | 655 | return; |
smultron1977 | 0:246f2fb5be59 | 656 | } |
smultron1977 | 0:246f2fb5be59 | 657 | |
smultron1977 | 0:246f2fb5be59 | 658 | |
smultron1977 | 0:246f2fb5be59 | 659 | |
smultron1977 | 0:246f2fb5be59 | 660 | void ST7735_TFT::line(int x0, int y0, int x1, int y1, int color) { |
smultron1977 | 0:246f2fb5be59 | 661 | WindowMax(); |
smultron1977 | 0:246f2fb5be59 | 662 | int dx = 0, dy = 0; |
smultron1977 | 0:246f2fb5be59 | 663 | int dx_sym = 0, dy_sym = 0; |
smultron1977 | 0:246f2fb5be59 | 664 | int dx_x2 = 0, dy_x2 = 0; |
smultron1977 | 0:246f2fb5be59 | 665 | int di = 0; |
smultron1977 | 0:246f2fb5be59 | 666 | |
smultron1977 | 0:246f2fb5be59 | 667 | dx = x1-x0; |
smultron1977 | 0:246f2fb5be59 | 668 | dy = y1-y0; |
smultron1977 | 0:246f2fb5be59 | 669 | |
smultron1977 | 0:246f2fb5be59 | 670 | if (dx == 0) { /* vertical line */ |
smultron1977 | 0:246f2fb5be59 | 671 | if (y1 > y0) vline(x0,y0,y1,color); |
smultron1977 | 0:246f2fb5be59 | 672 | else vline(x0,y1,y0,color); |
smultron1977 | 0:246f2fb5be59 | 673 | return; |
smultron1977 | 0:246f2fb5be59 | 674 | } |
smultron1977 | 0:246f2fb5be59 | 675 | |
smultron1977 | 0:246f2fb5be59 | 676 | if (dx > 0) { |
smultron1977 | 0:246f2fb5be59 | 677 | dx_sym = 1; |
smultron1977 | 0:246f2fb5be59 | 678 | } else { |
smultron1977 | 0:246f2fb5be59 | 679 | dx_sym = -1; |
smultron1977 | 0:246f2fb5be59 | 680 | } |
smultron1977 | 0:246f2fb5be59 | 681 | if (dy == 0) { /* horizontal line */ |
smultron1977 | 0:246f2fb5be59 | 682 | if (x1 > x0) hline(x0,x1,y0,color); |
smultron1977 | 0:246f2fb5be59 | 683 | else hline(x1,x0,y0,color); |
smultron1977 | 0:246f2fb5be59 | 684 | return; |
smultron1977 | 0:246f2fb5be59 | 685 | } |
smultron1977 | 0:246f2fb5be59 | 686 | |
smultron1977 | 0:246f2fb5be59 | 687 | if (dy > 0) { |
smultron1977 | 0:246f2fb5be59 | 688 | dy_sym = 1; |
smultron1977 | 0:246f2fb5be59 | 689 | } else { |
smultron1977 | 0:246f2fb5be59 | 690 | dy_sym = -1; |
smultron1977 | 0:246f2fb5be59 | 691 | } |
smultron1977 | 0:246f2fb5be59 | 692 | |
smultron1977 | 0:246f2fb5be59 | 693 | dx = dx_sym*dx; |
smultron1977 | 0:246f2fb5be59 | 694 | dy = dy_sym*dy; |
smultron1977 | 0:246f2fb5be59 | 695 | |
smultron1977 | 0:246f2fb5be59 | 696 | dx_x2 = dx*2; |
smultron1977 | 0:246f2fb5be59 | 697 | dy_x2 = dy*2; |
smultron1977 | 0:246f2fb5be59 | 698 | |
smultron1977 | 0:246f2fb5be59 | 699 | if (dx >= dy) { |
smultron1977 | 0:246f2fb5be59 | 700 | di = dy_x2 - dx; |
smultron1977 | 0:246f2fb5be59 | 701 | while (x0 != x1) { |
smultron1977 | 0:246f2fb5be59 | 702 | |
smultron1977 | 0:246f2fb5be59 | 703 | pixel(x0, y0, color); |
smultron1977 | 0:246f2fb5be59 | 704 | x0 += dx_sym; |
smultron1977 | 0:246f2fb5be59 | 705 | if (di<0) { |
smultron1977 | 0:246f2fb5be59 | 706 | di += dy_x2; |
smultron1977 | 0:246f2fb5be59 | 707 | } else { |
smultron1977 | 0:246f2fb5be59 | 708 | di += dy_x2 - dx_x2; |
smultron1977 | 0:246f2fb5be59 | 709 | y0 += dy_sym; |
smultron1977 | 0:246f2fb5be59 | 710 | } |
smultron1977 | 0:246f2fb5be59 | 711 | } |
smultron1977 | 0:246f2fb5be59 | 712 | pixel(x0, y0, color); |
smultron1977 | 0:246f2fb5be59 | 713 | } else { |
smultron1977 | 0:246f2fb5be59 | 714 | di = dx_x2 - dy; |
smultron1977 | 0:246f2fb5be59 | 715 | while (y0 != y1) { |
smultron1977 | 0:246f2fb5be59 | 716 | pixel(x0, y0, color); |
smultron1977 | 0:246f2fb5be59 | 717 | y0 += dy_sym; |
smultron1977 | 0:246f2fb5be59 | 718 | if (di < 0) { |
smultron1977 | 0:246f2fb5be59 | 719 | di += dx_x2; |
smultron1977 | 0:246f2fb5be59 | 720 | } else { |
smultron1977 | 0:246f2fb5be59 | 721 | di += dx_x2 - dy_x2; |
smultron1977 | 0:246f2fb5be59 | 722 | x0 += dx_sym; |
smultron1977 | 0:246f2fb5be59 | 723 | } |
smultron1977 | 0:246f2fb5be59 | 724 | } |
smultron1977 | 0:246f2fb5be59 | 725 | pixel(x0, y0, color); |
smultron1977 | 0:246f2fb5be59 | 726 | } |
smultron1977 | 0:246f2fb5be59 | 727 | return; |
smultron1977 | 0:246f2fb5be59 | 728 | } |
smultron1977 | 0:246f2fb5be59 | 729 | |
smultron1977 | 0:246f2fb5be59 | 730 | |
smultron1977 | 0:246f2fb5be59 | 731 | |
smultron1977 | 0:246f2fb5be59 | 732 | |
smultron1977 | 0:246f2fb5be59 | 733 | void ST7735_TFT::rect(int x0, int y0, int x1, int y1, int color) { |
smultron1977 | 0:246f2fb5be59 | 734 | |
smultron1977 | 0:246f2fb5be59 | 735 | if (x1 > x0) hline(x0,x1,y0,color); |
smultron1977 | 0:246f2fb5be59 | 736 | else hline(x1,x0,y0,color); |
smultron1977 | 0:246f2fb5be59 | 737 | |
smultron1977 | 0:246f2fb5be59 | 738 | if (y1 > y0) vline(x0,y0,y1,color); |
smultron1977 | 0:246f2fb5be59 | 739 | else vline(x0,y1,y0,color); |
smultron1977 | 0:246f2fb5be59 | 740 | |
smultron1977 | 0:246f2fb5be59 | 741 | if (x1 > x0) hline(x0,x1,y1,color); |
smultron1977 | 0:246f2fb5be59 | 742 | else hline(x1,x0,y1,color); |
smultron1977 | 0:246f2fb5be59 | 743 | |
smultron1977 | 0:246f2fb5be59 | 744 | if (y1 > y0) vline(x1,y0,y1,color); |
smultron1977 | 0:246f2fb5be59 | 745 | else vline(x1,y1,y0,color); |
smultron1977 | 0:246f2fb5be59 | 746 | |
smultron1977 | 0:246f2fb5be59 | 747 | return; |
smultron1977 | 0:246f2fb5be59 | 748 | } |
smultron1977 | 0:246f2fb5be59 | 749 | |
smultron1977 | 0:246f2fb5be59 | 750 | |
smultron1977 | 0:246f2fb5be59 | 751 | |
smultron1977 | 0:246f2fb5be59 | 752 | void ST7735_TFT::fillrect(int x0, int y0, int x1, int y1, int color) { |
smultron1977 | 0:246f2fb5be59 | 753 | |
smultron1977 | 0:246f2fb5be59 | 754 | int h = y1 - y0 + 1; |
smultron1977 | 0:246f2fb5be59 | 755 | int w = x1 - x0 + 1; |
smultron1977 | 0:246f2fb5be59 | 756 | int pixel = h * w; |
smultron1977 | 0:246f2fb5be59 | 757 | window(x0,y0,w,h); |
smultron1977 | 0:246f2fb5be59 | 758 | wr_cmd(0x2C); |
smultron1977 | 0:246f2fb5be59 | 759 | wr_dat_start(); |
smultron1977 | 0:246f2fb5be59 | 760 | for (int p=0; p<pixel; p++) { |
smultron1977 | 0:246f2fb5be59 | 761 | _spi.write(color); |
smultron1977 | 0:246f2fb5be59 | 762 | _spi.write(color >> 8); |
smultron1977 | 0:246f2fb5be59 | 763 | } |
smultron1977 | 0:246f2fb5be59 | 764 | wr_dat_stop(); |
smultron1977 | 0:246f2fb5be59 | 765 | return; |
smultron1977 | 0:246f2fb5be59 | 766 | } |
smultron1977 | 0:246f2fb5be59 | 767 | |
smultron1977 | 0:246f2fb5be59 | 768 | |
smultron1977 | 0:246f2fb5be59 | 769 | |
smultron1977 | 0:246f2fb5be59 | 770 | void ST7735_TFT::locate(int x, int y) { |
smultron1977 | 0:246f2fb5be59 | 771 | char_x = x; |
smultron1977 | 0:246f2fb5be59 | 772 | char_y = y; |
smultron1977 | 0:246f2fb5be59 | 773 | } |
smultron1977 | 0:246f2fb5be59 | 774 | |
smultron1977 | 0:246f2fb5be59 | 775 | |
smultron1977 | 0:246f2fb5be59 | 776 | |
smultron1977 | 0:246f2fb5be59 | 777 | int ST7735_TFT::columns() { |
smultron1977 | 0:246f2fb5be59 | 778 | return width() / font[1]; |
smultron1977 | 0:246f2fb5be59 | 779 | } |
smultron1977 | 0:246f2fb5be59 | 780 | |
smultron1977 | 0:246f2fb5be59 | 781 | |
smultron1977 | 0:246f2fb5be59 | 782 | |
smultron1977 | 0:246f2fb5be59 | 783 | int ST7735_TFT::rows() { |
smultron1977 | 0:246f2fb5be59 | 784 | return height() / font[2]; |
smultron1977 | 0:246f2fb5be59 | 785 | } |
smultron1977 | 0:246f2fb5be59 | 786 | |
smultron1977 | 0:246f2fb5be59 | 787 | |
smultron1977 | 0:246f2fb5be59 | 788 | |
smultron1977 | 0:246f2fb5be59 | 789 | int ST7735_TFT::_putc(int value) { |
smultron1977 | 0:246f2fb5be59 | 790 | if (value == '\n') { // new line |
smultron1977 | 0:246f2fb5be59 | 791 | char_x = 0; |
smultron1977 | 0:246f2fb5be59 | 792 | char_y = char_y + font[2]; |
smultron1977 | 0:246f2fb5be59 | 793 | if (char_y >= height() - font[2]) { |
smultron1977 | 0:246f2fb5be59 | 794 | char_y = 0; |
smultron1977 | 0:246f2fb5be59 | 795 | } |
smultron1977 | 0:246f2fb5be59 | 796 | } else { |
smultron1977 | 0:246f2fb5be59 | 797 | character(char_x, char_y, value); |
smultron1977 | 0:246f2fb5be59 | 798 | } |
smultron1977 | 0:246f2fb5be59 | 799 | return value; |
smultron1977 | 0:246f2fb5be59 | 800 | } |
smultron1977 | 0:246f2fb5be59 | 801 | |
smultron1977 | 0:246f2fb5be59 | 802 | |
smultron1977 | 0:246f2fb5be59 | 803 | |
smultron1977 | 0:246f2fb5be59 | 804 | |
smultron1977 | 0:246f2fb5be59 | 805 | void ST7735_TFT::character(int x, int y, int c) { |
smultron1977 | 0:246f2fb5be59 | 806 | unsigned int hor,vert,offset,bpl,j,i,b; |
smultron1977 | 0:246f2fb5be59 | 807 | unsigned char* zeichen; |
smultron1977 | 0:246f2fb5be59 | 808 | unsigned char z,w; |
smultron1977 | 0:246f2fb5be59 | 809 | |
smultron1977 | 0:246f2fb5be59 | 810 | if ((c < 31) || (c > 127)) return; // test char range |
smultron1977 | 0:246f2fb5be59 | 811 | |
smultron1977 | 0:246f2fb5be59 | 812 | // read font parameter from start of array |
smultron1977 | 0:246f2fb5be59 | 813 | offset = font[0]; // bytes / char |
smultron1977 | 0:246f2fb5be59 | 814 | hor = font[1]; // get hor size of font |
smultron1977 | 0:246f2fb5be59 | 815 | vert = font[2]; // get vert size of font |
smultron1977 | 0:246f2fb5be59 | 816 | bpl = font[3]; // bytes per line |
smultron1977 | 0:246f2fb5be59 | 817 | |
smultron1977 | 0:246f2fb5be59 | 818 | if (char_x + hor > width()) { |
smultron1977 | 0:246f2fb5be59 | 819 | char_x = 0; |
smultron1977 | 0:246f2fb5be59 | 820 | char_y = char_y + vert; |
smultron1977 | 0:246f2fb5be59 | 821 | if (char_y >= height() - font[2]) { |
smultron1977 | 0:246f2fb5be59 | 822 | char_y = 0; |
smultron1977 | 0:246f2fb5be59 | 823 | } |
smultron1977 | 0:246f2fb5be59 | 824 | } |
smultron1977 | 0:246f2fb5be59 | 825 | |
smultron1977 | 0:246f2fb5be59 | 826 | window(char_x, char_y,hor,vert); // char box |
smultron1977 | 0:246f2fb5be59 | 827 | wr_cmd(0x2C); |
smultron1977 | 0:246f2fb5be59 | 828 | wr_dat_start(); |
smultron1977 | 0:246f2fb5be59 | 829 | zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap |
smultron1977 | 0:246f2fb5be59 | 830 | w = zeichen[0]; // width of actual char |
smultron1977 | 0:246f2fb5be59 | 831 | _spi.format(16,3); // pixel are 16 bit |
smultron1977 | 0:246f2fb5be59 | 832 | |
smultron1977 | 0:246f2fb5be59 | 833 | for (j=0; j<vert; j++) { // vert line |
smultron1977 | 0:246f2fb5be59 | 834 | for (i=0; i<hor; i++) { // horz line |
smultron1977 | 0:246f2fb5be59 | 835 | z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1]; |
smultron1977 | 0:246f2fb5be59 | 836 | b = 1 << (j & 0x07); |
smultron1977 | 0:246f2fb5be59 | 837 | if (( z & b ) == 0x00) { |
smultron1977 | 0:246f2fb5be59 | 838 | _spi.write(_background); |
smultron1977 | 0:246f2fb5be59 | 839 | } else { |
smultron1977 | 0:246f2fb5be59 | 840 | _spi.write(_foreground); |
smultron1977 | 0:246f2fb5be59 | 841 | } |
smultron1977 | 0:246f2fb5be59 | 842 | } |
smultron1977 | 0:246f2fb5be59 | 843 | } |
smultron1977 | 0:246f2fb5be59 | 844 | _spi.format(8,3); // 8 bit |
smultron1977 | 0:246f2fb5be59 | 845 | wr_dat_stop(); |
smultron1977 | 0:246f2fb5be59 | 846 | if ((w + 2) < hor) { // x offset to next char |
smultron1977 | 0:246f2fb5be59 | 847 | char_x += w + 2; |
smultron1977 | 0:246f2fb5be59 | 848 | } else char_x += hor; |
smultron1977 | 0:246f2fb5be59 | 849 | } |
smultron1977 | 0:246f2fb5be59 | 850 | |
smultron1977 | 0:246f2fb5be59 | 851 | |
smultron1977 | 0:246f2fb5be59 | 852 | |
smultron1977 | 0:246f2fb5be59 | 853 | |
smultron1977 | 0:246f2fb5be59 | 854 | |
smultron1977 | 0:246f2fb5be59 | 855 | void ST7735_TFT::set_font(unsigned char* f) { |
smultron1977 | 0:246f2fb5be59 | 856 | font = f; |
smultron1977 | 0:246f2fb5be59 | 857 | } |
smultron1977 | 0:246f2fb5be59 | 858 | |
smultron1977 | 0:246f2fb5be59 | 859 | |
smultron1977 | 0:246f2fb5be59 | 860 | |
smultron1977 | 0:246f2fb5be59 | 861 | void ST7735_TFT::Bitmap(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *bitmap) { |
smultron1977 | 0:246f2fb5be59 | 862 | unsigned int i,j,value; |
smultron1977 | 0:246f2fb5be59 | 863 | unsigned short *bitmap_ptr = (unsigned short *)bitmap; |
smultron1977 | 0:246f2fb5be59 | 864 | window(x, y, w, h); |
smultron1977 | 0:246f2fb5be59 | 865 | wr_cmd(0x2C); |
smultron1977 | 0:246f2fb5be59 | 866 | wr_dat_start(); |
smultron1977 | 0:246f2fb5be59 | 867 | for (j = 0; j < h; j++) { //Lines |
smultron1977 | 0:246f2fb5be59 | 868 | for (i = 0; i < w; i++) { // copy pixel data to TFT |
smultron1977 | 0:246f2fb5be59 | 869 | _spi.write(*bitmap_ptr); // one line |
smultron1977 | 0:246f2fb5be59 | 870 | _spi.write(*bitmap_ptr >> 8); |
smultron1977 | 0:246f2fb5be59 | 871 | bitmap_ptr++; |
smultron1977 | 0:246f2fb5be59 | 872 | } |
smultron1977 | 0:246f2fb5be59 | 873 | } |
smultron1977 | 0:246f2fb5be59 | 874 | wr_dat_stop(); |
smultron1977 | 0:246f2fb5be59 | 875 | } |
smultron1977 | 0:246f2fb5be59 | 876 | |
smultron1977 | 0:246f2fb5be59 | 877 | |
smultron1977 | 0:246f2fb5be59 | 878 | int ST7735_TFT::BMP_16(unsigned int x, unsigned int y, const char *Name_BMP) { |
smultron1977 | 0:246f2fb5be59 | 879 | // BEWARE ! |
smultron1977 | 0:246f2fb5be59 | 880 | // NOT TESTED |
smultron1977 | 0:246f2fb5be59 | 881 | #define OffsetPixelWidth 18 |
smultron1977 | 0:246f2fb5be59 | 882 | #define OffsetPixelHeigh 22 |
smultron1977 | 0:246f2fb5be59 | 883 | #define OffsetFileSize 34 |
smultron1977 | 0:246f2fb5be59 | 884 | #define OffsetPixData 10 |
smultron1977 | 0:246f2fb5be59 | 885 | #define OffsetBPP 28 |
smultron1977 | 0:246f2fb5be59 | 886 | |
smultron1977 | 0:246f2fb5be59 | 887 | char filename[50]; |
smultron1977 | 0:246f2fb5be59 | 888 | unsigned char BMP_Header[54]; |
smultron1977 | 0:246f2fb5be59 | 889 | unsigned short BPP_t; |
smultron1977 | 0:246f2fb5be59 | 890 | unsigned int PixelWidth,PixelHeigh,start_data; |
smultron1977 | 0:246f2fb5be59 | 891 | unsigned int i,off; |
smultron1977 | 0:246f2fb5be59 | 892 | int padd,j; |
smultron1977 | 0:246f2fb5be59 | 893 | unsigned short *line; |
smultron1977 | 0:246f2fb5be59 | 894 | |
smultron1977 | 0:246f2fb5be59 | 895 | // get the filename |
smultron1977 | 0:246f2fb5be59 | 896 | LocalFileSystem local("local"); |
smultron1977 | 0:246f2fb5be59 | 897 | sprintf(&filename[0],"/local/"); |
smultron1977 | 0:246f2fb5be59 | 898 | i=7; |
smultron1977 | 0:246f2fb5be59 | 899 | while (*Name_BMP!='\0') { |
smultron1977 | 0:246f2fb5be59 | 900 | filename[i++]=*Name_BMP++; |
smultron1977 | 0:246f2fb5be59 | 901 | } |
smultron1977 | 0:246f2fb5be59 | 902 | FILE *Image = fopen((const char *)&filename[0], "r"); // open the bmp file |
smultron1977 | 0:246f2fb5be59 | 903 | if (!Image) { |
smultron1977 | 0:246f2fb5be59 | 904 | return(0); // error file not found ! |
smultron1977 | 0:246f2fb5be59 | 905 | } |
smultron1977 | 0:246f2fb5be59 | 906 | |
smultron1977 | 0:246f2fb5be59 | 907 | fread(&BMP_Header[0],1,54,Image); // get the BMP Header |
smultron1977 | 0:246f2fb5be59 | 908 | |
smultron1977 | 0:246f2fb5be59 | 909 | if (BMP_Header[0] != 0x42 || BMP_Header[1] != 0x4D) { // check magic byte |
smultron1977 | 0:246f2fb5be59 | 910 | fclose(Image); |
smultron1977 | 0:246f2fb5be59 | 911 | return(-1); // error no BMP file |
smultron1977 | 0:246f2fb5be59 | 912 | } |
smultron1977 | 0:246f2fb5be59 | 913 | |
smultron1977 | 0:246f2fb5be59 | 914 | BPP_t = BMP_Header[OffsetBPP] + (BMP_Header[OffsetBPP + 1] << 8); |
smultron1977 | 0:246f2fb5be59 | 915 | if (BPP_t != 0x0010) { |
smultron1977 | 0:246f2fb5be59 | 916 | fclose(Image); |
smultron1977 | 0:246f2fb5be59 | 917 | return(-2); // error no 16 bit BMP |
smultron1977 | 0:246f2fb5be59 | 918 | } |
smultron1977 | 0:246f2fb5be59 | 919 | |
smultron1977 | 0:246f2fb5be59 | 920 | PixelHeigh = BMP_Header[OffsetPixelHeigh] + (BMP_Header[OffsetPixelHeigh + 1] << 8) + (BMP_Header[OffsetPixelHeigh + 2] << 16) + (BMP_Header[OffsetPixelHeigh + 3] << 24); |
smultron1977 | 0:246f2fb5be59 | 921 | PixelWidth = BMP_Header[OffsetPixelWidth] + (BMP_Header[OffsetPixelWidth + 1] << 8) + (BMP_Header[OffsetPixelWidth + 2] << 16) + (BMP_Header[OffsetPixelWidth + 3] << 24); |
smultron1977 | 0:246f2fb5be59 | 922 | if (PixelHeigh > height() + y || PixelWidth > width() + x) { |
smultron1977 | 0:246f2fb5be59 | 923 | fclose(Image); |
smultron1977 | 0:246f2fb5be59 | 924 | return(-3); // to big |
smultron1977 | 0:246f2fb5be59 | 925 | } |
smultron1977 | 0:246f2fb5be59 | 926 | |
smultron1977 | 0:246f2fb5be59 | 927 | start_data = BMP_Header[OffsetPixData] + (BMP_Header[OffsetPixData + 1] << 8) + (BMP_Header[OffsetPixData + 2] << 16) + (BMP_Header[OffsetPixData + 3] << 24); |
smultron1977 | 0:246f2fb5be59 | 928 | |
smultron1977 | 0:246f2fb5be59 | 929 | line = (unsigned short *) malloc (PixelWidth); // we need a buffer for a line |
smultron1977 | 0:246f2fb5be59 | 930 | if (line == NULL) { |
smultron1977 | 0:246f2fb5be59 | 931 | return(-4); // error no memory |
smultron1977 | 0:246f2fb5be59 | 932 | } |
smultron1977 | 0:246f2fb5be59 | 933 | |
smultron1977 | 0:246f2fb5be59 | 934 | // the lines are padded to multiple of 4 bytes |
smultron1977 | 0:246f2fb5be59 | 935 | padd = -1; |
smultron1977 | 0:246f2fb5be59 | 936 | do { |
smultron1977 | 0:246f2fb5be59 | 937 | padd ++; |
smultron1977 | 0:246f2fb5be59 | 938 | } while ((PixelWidth * 2 + padd)%4 != 0); |
smultron1977 | 0:246f2fb5be59 | 939 | |
smultron1977 | 0:246f2fb5be59 | 940 | window(x, y,PixelWidth,PixelHeigh); |
smultron1977 | 0:246f2fb5be59 | 941 | wr_cmd(0x2C); |
smultron1977 | 0:246f2fb5be59 | 942 | wr_dat_start(); |
smultron1977 | 0:246f2fb5be59 | 943 | _spi.format(16,3); |
smultron1977 | 0:246f2fb5be59 | 944 | for (j = PixelHeigh - 1; j >= 0; j--) { //Lines bottom up |
smultron1977 | 0:246f2fb5be59 | 945 | off = j * (PixelWidth * 2 + padd) + start_data; // start of line |
smultron1977 | 0:246f2fb5be59 | 946 | fseek(Image, off ,SEEK_SET); |
smultron1977 | 0:246f2fb5be59 | 947 | fread(line,1,PixelWidth * 2,Image); // read a line - slow ! |
smultron1977 | 0:246f2fb5be59 | 948 | for (i = 0; i < PixelWidth; i++) { // copy pixel data to TFT |
smultron1977 | 0:246f2fb5be59 | 949 | _spi.write(line[i]); // one 16 bit pixel |
smultron1977 | 0:246f2fb5be59 | 950 | } |
smultron1977 | 0:246f2fb5be59 | 951 | } |
smultron1977 | 0:246f2fb5be59 | 952 | _spi.format(8,3); |
smultron1977 | 0:246f2fb5be59 | 953 | wr_dat_stop(); |
smultron1977 | 0:246f2fb5be59 | 954 | free (line); |
smultron1977 | 0:246f2fb5be59 | 955 | fclose(Image); |
smultron1977 | 0:246f2fb5be59 | 956 | return(1); |
smultron1977 | 0:246f2fb5be59 | 957 | } |