ST7735 library, e.g. for Adafruit 1.8" TFT
Fork of ST7735_TFT by
Fixed a few compiler warning and also some errors that were showing on my STM-F3 device.
ST7735_TFT.cpp@0:246f2fb5be59, 2011-12-11 (annotated)
- Committer:
- smultron1977
- Date:
- Sun Dec 11 21:05:52 2011 +0000
- Revision:
- 0:246f2fb5be59
- Child:
- 1:967235e6fd48
Work in progress library. Data read functions do not work, Bitmap from SD card untested
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 | |
smultron1977 | 0:246f2fb5be59 | 24 | #define BPP 16 // Bits per pixel |
smultron1977 | 0:246f2fb5be59 | 25 | |
smultron1977 | 0:246f2fb5be59 | 26 | ST7735_TFT::ST7735_TFT(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName rs, PinName reset, const char *name) |
smultron1977 | 0:246f2fb5be59 | 27 | : _spi(mosi, miso, sclk), _cs(cs), _rs(rs), _reset(reset),GraphicsDisplay(name) { |
smultron1977 | 0:246f2fb5be59 | 28 | tft_reset(); |
smultron1977 | 0:246f2fb5be59 | 29 | orientation = 2; |
smultron1977 | 0:246f2fb5be59 | 30 | char_x = 0; |
smultron1977 | 0:246f2fb5be59 | 31 | } |
smultron1977 | 0:246f2fb5be59 | 32 | |
smultron1977 | 0:246f2fb5be59 | 33 | |
smultron1977 | 0:246f2fb5be59 | 34 | int ST7735_TFT::width() { |
smultron1977 | 0:246f2fb5be59 | 35 | if (orientation == 0 || orientation == 2) return 128; |
smultron1977 | 0:246f2fb5be59 | 36 | else return 160; |
smultron1977 | 0:246f2fb5be59 | 37 | } |
smultron1977 | 0:246f2fb5be59 | 38 | |
smultron1977 | 0:246f2fb5be59 | 39 | |
smultron1977 | 0:246f2fb5be59 | 40 | int ST7735_TFT::height() { |
smultron1977 | 0:246f2fb5be59 | 41 | if (orientation == 0 || orientation == 2) return 160; |
smultron1977 | 0:246f2fb5be59 | 42 | else return 128; |
smultron1977 | 0:246f2fb5be59 | 43 | } |
smultron1977 | 0:246f2fb5be59 | 44 | |
smultron1977 | 0:246f2fb5be59 | 45 | |
smultron1977 | 0:246f2fb5be59 | 46 | void ST7735_TFT::set_orientation(unsigned int o) { |
smultron1977 | 0:246f2fb5be59 | 47 | orientation = o; |
smultron1977 | 0:246f2fb5be59 | 48 | switch (orientation) { |
smultron1977 | 0:246f2fb5be59 | 49 | case 0: |
smultron1977 | 0:246f2fb5be59 | 50 | wr_reg(ST7735_MADCTL, 0x0008); |
smultron1977 | 0:246f2fb5be59 | 51 | break; |
smultron1977 | 0:246f2fb5be59 | 52 | case 1: |
smultron1977 | 0:246f2fb5be59 | 53 | wr_reg(ST7735_MADCTL, 0x0068); |
smultron1977 | 0:246f2fb5be59 | 54 | break; |
smultron1977 | 0:246f2fb5be59 | 55 | case 2: |
smultron1977 | 0:246f2fb5be59 | 56 | wr_reg(ST7735_MADCTL, 0x00C8); |
smultron1977 | 0:246f2fb5be59 | 57 | break; |
smultron1977 | 0:246f2fb5be59 | 58 | case 3: |
smultron1977 | 0:246f2fb5be59 | 59 | wr_reg(ST7735_MADCTL, 0x00A8); |
smultron1977 | 0:246f2fb5be59 | 60 | break; |
smultron1977 | 0:246f2fb5be59 | 61 | } |
smultron1977 | 0:246f2fb5be59 | 62 | } |
smultron1977 | 0:246f2fb5be59 | 63 | |
smultron1977 | 0:246f2fb5be59 | 64 | |
smultron1977 | 0:246f2fb5be59 | 65 | |
smultron1977 | 0:246f2fb5be59 | 66 | void ST7735_TFT::wr_cmd(int cmd) { |
smultron1977 | 0:246f2fb5be59 | 67 | _rs = 0; // rs low, cs low for transmitting command |
smultron1977 | 0:246f2fb5be59 | 68 | _cs = 0; |
smultron1977 | 0:246f2fb5be59 | 69 | _spi.write(cmd); |
smultron1977 | 0:246f2fb5be59 | 70 | _cs = 1; |
smultron1977 | 0:246f2fb5be59 | 71 | } |
smultron1977 | 0:246f2fb5be59 | 72 | |
smultron1977 | 0:246f2fb5be59 | 73 | |
smultron1977 | 0:246f2fb5be59 | 74 | |
smultron1977 | 0:246f2fb5be59 | 75 | void ST7735_TFT::wr_dat(int dat) { |
smultron1977 | 0:246f2fb5be59 | 76 | _rs = 1; // rs high, cs low for transmitting data |
smultron1977 | 0:246f2fb5be59 | 77 | _cs = 0; |
smultron1977 | 0:246f2fb5be59 | 78 | _spi.write(dat); |
smultron1977 | 0:246f2fb5be59 | 79 | _cs = 1; |
smultron1977 | 0:246f2fb5be59 | 80 | } |
smultron1977 | 0:246f2fb5be59 | 81 | |
smultron1977 | 0:246f2fb5be59 | 82 | |
smultron1977 | 0:246f2fb5be59 | 83 | |
smultron1977 | 0:246f2fb5be59 | 84 | void ST7735_TFT::wr_dat_start(void) { |
smultron1977 | 0:246f2fb5be59 | 85 | _rs = 1; // rs high, cs low for transmitting data |
smultron1977 | 0:246f2fb5be59 | 86 | _cs = 0; |
smultron1977 | 0:246f2fb5be59 | 87 | } |
smultron1977 | 0:246f2fb5be59 | 88 | |
smultron1977 | 0:246f2fb5be59 | 89 | |
smultron1977 | 0:246f2fb5be59 | 90 | |
smultron1977 | 0:246f2fb5be59 | 91 | void ST7735_TFT::wr_dat_stop (void) { |
smultron1977 | 0:246f2fb5be59 | 92 | _cs = 1; |
smultron1977 | 0:246f2fb5be59 | 93 | } |
smultron1977 | 0:246f2fb5be59 | 94 | |
smultron1977 | 0:246f2fb5be59 | 95 | |
smultron1977 | 0:246f2fb5be59 | 96 | |
smultron1977 | 0:246f2fb5be59 | 97 | void ST7735_TFT::wr_dat_only (unsigned short dat) { |
smultron1977 | 0:246f2fb5be59 | 98 | _spi.write(dat); |
smultron1977 | 0:246f2fb5be59 | 99 | } |
smultron1977 | 0:246f2fb5be59 | 100 | |
smultron1977 | 0:246f2fb5be59 | 101 | |
smultron1977 | 0:246f2fb5be59 | 102 | unsigned short ST7735_TFT::rd_dat (void) { |
smultron1977 | 0:246f2fb5be59 | 103 | unsigned short val = 0; |
smultron1977 | 0:246f2fb5be59 | 104 | _cs = 0; |
smultron1977 | 0:246f2fb5be59 | 105 | _spi.write(0); /* Dummy read 1 */ |
smultron1977 | 0:246f2fb5be59 | 106 | val = _spi.write(0); /* Read D8..D15 */ |
smultron1977 | 0:246f2fb5be59 | 107 | val <<= 8; |
smultron1977 | 0:246f2fb5be59 | 108 | val |= _spi.write(0); /* Read D0..D7 */ |
smultron1977 | 0:246f2fb5be59 | 109 | _cs = 1; |
smultron1977 | 0:246f2fb5be59 | 110 | return (val); |
smultron1977 | 0:246f2fb5be59 | 111 | } |
smultron1977 | 0:246f2fb5be59 | 112 | |
smultron1977 | 0:246f2fb5be59 | 113 | void ST7735_TFT::wr_reg (unsigned char reg, unsigned short val) { |
smultron1977 | 0:246f2fb5be59 | 114 | |
smultron1977 | 0:246f2fb5be59 | 115 | wr_cmd(reg); |
smultron1977 | 0:246f2fb5be59 | 116 | wr_dat(val); |
smultron1977 | 0:246f2fb5be59 | 117 | } |
smultron1977 | 0:246f2fb5be59 | 118 | |
smultron1977 | 0:246f2fb5be59 | 119 | |
smultron1977 | 0:246f2fb5be59 | 120 | unsigned short ST7735_TFT::rd_reg (unsigned char reg) { |
smultron1977 | 0:246f2fb5be59 | 121 | |
smultron1977 | 0:246f2fb5be59 | 122 | wr_cmd(reg); |
smultron1977 | 0:246f2fb5be59 | 123 | return(rd_dat()); |
smultron1977 | 0:246f2fb5be59 | 124 | } |
smultron1977 | 0:246f2fb5be59 | 125 | |
smultron1977 | 0:246f2fb5be59 | 126 | void ST7735_TFT::read_area(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *buffer) { |
smultron1977 | 0:246f2fb5be59 | 127 | // BEWARE ! |
smultron1977 | 0:246f2fb5be59 | 128 | // DOES NOT WORK CORRECTLY YET !!! |
smultron1977 | 0:246f2fb5be59 | 129 | int val; |
smultron1977 | 0:246f2fb5be59 | 130 | window(x,y,w,h); |
smultron1977 | 0:246f2fb5be59 | 131 | wr_cmd(ST7735_RAMRD); // write to RAM |
smultron1977 | 0:246f2fb5be59 | 132 | _cs = 0; |
smultron1977 | 0:246f2fb5be59 | 133 | _rs = 1; |
smultron1977 | 0:246f2fb5be59 | 134 | _spi.write(0); /* Dummy read 1 */ |
smultron1977 | 0:246f2fb5be59 | 135 | |
smultron1977 | 0:246f2fb5be59 | 136 | val = _spi.write(0); /* Read D8..D15 */ |
smultron1977 | 0:246f2fb5be59 | 137 | val <<= 8; |
smultron1977 | 0:246f2fb5be59 | 138 | val |= _spi.write(0); /* Read D0..D7 */ |
smultron1977 | 0:246f2fb5be59 | 139 | _cs = 1; |
smultron1977 | 0:246f2fb5be59 | 140 | } |
smultron1977 | 0:246f2fb5be59 | 141 | |
smultron1977 | 0:246f2fb5be59 | 142 | int ST7735_TFT::getpixel(unsigned int x, unsigned int y) { |
smultron1977 | 0:246f2fb5be59 | 143 | // BEWARE ! |
smultron1977 | 0:246f2fb5be59 | 144 | // DOES NOT WORK CORRECTLY YET !!! |
smultron1977 | 0:246f2fb5be59 | 145 | int val; |
smultron1977 | 0:246f2fb5be59 | 146 | _spi.format(8,3); |
smultron1977 | 0:246f2fb5be59 | 147 | wr_cmd(ST7735_CASET); // column addr set |
smultron1977 | 0:246f2fb5be59 | 148 | wr_dat(0x00); |
smultron1977 | 0:246f2fb5be59 | 149 | wr_dat(x+2); // XSTART |
smultron1977 | 0:246f2fb5be59 | 150 | wr_dat(0x00); |
smultron1977 | 0:246f2fb5be59 | 151 | wr_dat(x+2+2); // XEND |
smultron1977 | 0:246f2fb5be59 | 152 | |
smultron1977 | 0:246f2fb5be59 | 153 | wr_cmd(ST7735_RASET); // row addr set |
smultron1977 | 0:246f2fb5be59 | 154 | wr_dat(0x00); |
smultron1977 | 0:246f2fb5be59 | 155 | wr_dat(y+1); // YSTART |
smultron1977 | 0:246f2fb5be59 | 156 | wr_dat(0x00); |
smultron1977 | 0:246f2fb5be59 | 157 | wr_dat(y+1+1); // YEND |
smultron1977 | 0:246f2fb5be59 | 158 | |
smultron1977 | 0:246f2fb5be59 | 159 | _rs = 0; // rs low, cs low for transmitting command |
smultron1977 | 0:246f2fb5be59 | 160 | _cs = 0; |
smultron1977 | 0:246f2fb5be59 | 161 | _spi.write(0x2E); |
smultron1977 | 0:246f2fb5be59 | 162 | _rs = 1; |
smultron1977 | 0:246f2fb5be59 | 163 | _spi.write(0x00); /* Dummy read 1 */ |
smultron1977 | 0:246f2fb5be59 | 164 | |
smultron1977 | 0:246f2fb5be59 | 165 | val = _spi.write(0x00); /* Read D8..D15 */ |
smultron1977 | 0:246f2fb5be59 | 166 | val <<= 8; |
smultron1977 | 0:246f2fb5be59 | 167 | val |= _spi.write(0x00); /* Read D0..D7 */ |
smultron1977 | 0:246f2fb5be59 | 168 | |
smultron1977 | 0:246f2fb5be59 | 169 | _cs = 1; |
smultron1977 | 0:246f2fb5be59 | 170 | return val; |
smultron1977 | 0:246f2fb5be59 | 171 | } |
smultron1977 | 0:246f2fb5be59 | 172 | |
smultron1977 | 0:246f2fb5be59 | 173 | |
smultron1977 | 0:246f2fb5be59 | 174 | void ST7735_TFT::tft_reset() { |
smultron1977 | 0:246f2fb5be59 | 175 | static unsigned short driverCode; |
smultron1977 | 0:246f2fb5be59 | 176 | |
smultron1977 | 0:246f2fb5be59 | 177 | // init SPI |
smultron1977 | 0:246f2fb5be59 | 178 | _spi.format(8,3); // 8 bit spi mode 3 |
smultron1977 | 0:246f2fb5be59 | 179 | _spi.frequency(4000000); // 16Mhz SPI clock ... 15Mhz is maximum for display, but it seems to work |
smultron1977 | 0:246f2fb5be59 | 180 | |
smultron1977 | 0:246f2fb5be59 | 181 | // reset exactly like in Arduino version |
smultron1977 | 0:246f2fb5be59 | 182 | _cs = 0; |
smultron1977 | 0:246f2fb5be59 | 183 | _reset = 1; // reset |
smultron1977 | 0:246f2fb5be59 | 184 | wait_ms(500); |
smultron1977 | 0:246f2fb5be59 | 185 | _reset = 0; // reset |
smultron1977 | 0:246f2fb5be59 | 186 | wait_ms(500); |
smultron1977 | 0:246f2fb5be59 | 187 | _reset = 1; // reset |
smultron1977 | 0:246f2fb5be59 | 188 | wait_ms(500); |
smultron1977 | 0:246f2fb5be59 | 189 | |
smultron1977 | 0:246f2fb5be59 | 190 | /* Start Initial Sequence ----------------------------------------------------*/ |
smultron1977 | 0:246f2fb5be59 | 191 | wr_cmd(ST7735_SWRESET); /* SW Reset */ |
smultron1977 | 0:246f2fb5be59 | 192 | wait_ms(150); |
smultron1977 | 0:246f2fb5be59 | 193 | wr_cmd(ST7735_SLPOUT); /* Out of sleepmode */ |
smultron1977 | 0:246f2fb5be59 | 194 | wait_ms(500); |
smultron1977 | 0:246f2fb5be59 | 195 | |
smultron1977 | 0:246f2fb5be59 | 196 | wr_cmd(ST7735_FRMCTR1); /* Frame rate in normal mode */ |
smultron1977 | 0:246f2fb5be59 | 197 | wr_dat(0x01); |
smultron1977 | 0:246f2fb5be59 | 198 | wr_dat(0x2C); |
smultron1977 | 0:246f2fb5be59 | 199 | wr_dat(0x2D); |
smultron1977 | 0:246f2fb5be59 | 200 | |
smultron1977 | 0:246f2fb5be59 | 201 | wr_cmd(ST7735_FRMCTR2); /* Frame rate in idle mode */ |
smultron1977 | 0:246f2fb5be59 | 202 | wr_dat(0x01); |
smultron1977 | 0:246f2fb5be59 | 203 | wr_dat(0x2C); |
smultron1977 | 0:246f2fb5be59 | 204 | wr_dat(0x2D); |
smultron1977 | 0:246f2fb5be59 | 205 | |
smultron1977 | 0:246f2fb5be59 | 206 | wr_cmd(ST7735_FRMCTR3); /* Frame rate in partial mode */ |
smultron1977 | 0:246f2fb5be59 | 207 | wr_dat(0x01); |
smultron1977 | 0:246f2fb5be59 | 208 | wr_dat(0x2C); |
smultron1977 | 0:246f2fb5be59 | 209 | wr_dat(0x2D); |
smultron1977 | 0:246f2fb5be59 | 210 | wr_dat(0x01); // inversion mode settings |
smultron1977 | 0:246f2fb5be59 | 211 | wr_dat(0x2C); |
smultron1977 | 0:246f2fb5be59 | 212 | wr_dat(0x2D); |
smultron1977 | 0:246f2fb5be59 | 213 | |
smultron1977 | 0:246f2fb5be59 | 214 | wr_cmd(ST7735_INVCTR); // Inverted mode off |
smultron1977 | 0:246f2fb5be59 | 215 | wr_dat(0x07); |
smultron1977 | 0:246f2fb5be59 | 216 | |
smultron1977 | 0:246f2fb5be59 | 217 | wr_cmd(ST7735_PWCTR1); // POWER CONTROL 1 |
smultron1977 | 0:246f2fb5be59 | 218 | wr_dat(0xA2); |
smultron1977 | 0:246f2fb5be59 | 219 | wr_dat(0x02); // -4.6V |
smultron1977 | 0:246f2fb5be59 | 220 | wr_dat(0x84); // AUTO mode |
smultron1977 | 0:246f2fb5be59 | 221 | |
smultron1977 | 0:246f2fb5be59 | 222 | wr_cmd(ST7735_PWCTR2); // POWER CONTROL 2 |
smultron1977 | 0:246f2fb5be59 | 223 | wr_dat(0xC5); // VGH25 = 2.4C VGSEL =-10 VGH = 3*AVDD |
smultron1977 | 0:246f2fb5be59 | 224 | |
smultron1977 | 0:246f2fb5be59 | 225 | wr_cmd(ST7735_PWCTR3); // POWER CONTROL 3 |
smultron1977 | 0:246f2fb5be59 | 226 | wr_dat(0x0A); // Opamp current small |
smultron1977 | 0:246f2fb5be59 | 227 | wr_dat(0x00); // Boost freq |
smultron1977 | 0:246f2fb5be59 | 228 | |
smultron1977 | 0:246f2fb5be59 | 229 | wr_cmd(ST7735_PWCTR4); // POWER CONTROL 4 |
smultron1977 | 0:246f2fb5be59 | 230 | wr_dat(0x8A); // BCLK/2, Opamp current small / medium low |
smultron1977 | 0:246f2fb5be59 | 231 | wr_dat(0x2A); // |
smultron1977 | 0:246f2fb5be59 | 232 | |
smultron1977 | 0:246f2fb5be59 | 233 | wr_cmd(ST7735_PWCTR5); // POWER CONTROL 5 |
smultron1977 | 0:246f2fb5be59 | 234 | wr_dat(0x8A); // BCLK/2, Opamp current small / medium low |
smultron1977 | 0:246f2fb5be59 | 235 | wr_dat(0xEE); // |
smultron1977 | 0:246f2fb5be59 | 236 | |
smultron1977 | 0:246f2fb5be59 | 237 | wr_cmd(ST7735_VMCTR1); // POWER CONTROL 6 |
smultron1977 | 0:246f2fb5be59 | 238 | wr_dat(0x0E); // |
smultron1977 | 0:246f2fb5be59 | 239 | |
smultron1977 | 0:246f2fb5be59 | 240 | wr_cmd(ST7735_INVOFF); // INVOFF |
smultron1977 | 0:246f2fb5be59 | 241 | |
smultron1977 | 0:246f2fb5be59 | 242 | wr_cmd(ST7735_MADCTL); // ORIENTATION |
smultron1977 | 0:246f2fb5be59 | 243 | wr_dat(0xC8); // |
smultron1977 | 0:246f2fb5be59 | 244 | |
smultron1977 | 0:246f2fb5be59 | 245 | wr_cmd(ST7735_COLMOD); // COLOR MODE |
smultron1977 | 0:246f2fb5be59 | 246 | wr_dat(0x05); // |
smultron1977 | 0:246f2fb5be59 | 247 | |
smultron1977 | 0:246f2fb5be59 | 248 | wr_cmd(ST7735_CASET); // COLUMN ADDR SET |
smultron1977 | 0:246f2fb5be59 | 249 | wr_dat(0x00); // |
smultron1977 | 0:246f2fb5be59 | 250 | wr_dat(0x00); // xstart = 0 |
smultron1977 | 0:246f2fb5be59 | 251 | wr_dat(0x00); // |
smultron1977 | 0:246f2fb5be59 | 252 | wr_dat(0x7F); // xend = 127 |
smultron1977 | 0:246f2fb5be59 | 253 | |
smultron1977 | 0:246f2fb5be59 | 254 | wr_cmd(ST7735_RASET); // ROW ADDR SET |
smultron1977 | 0:246f2fb5be59 | 255 | wr_dat(0x00); // |
smultron1977 | 0:246f2fb5be59 | 256 | wr_dat(0x00); // ystart = 0 |
smultron1977 | 0:246f2fb5be59 | 257 | wr_dat(0x00); // |
smultron1977 | 0:246f2fb5be59 | 258 | wr_dat(0x9F); // yend = 159 |
smultron1977 | 0:246f2fb5be59 | 259 | |
smultron1977 | 0:246f2fb5be59 | 260 | /* Gamma settings -----------------------------------------------------------*/ |
smultron1977 | 0:246f2fb5be59 | 261 | |
smultron1977 | 0:246f2fb5be59 | 262 | wr_cmd(0xE0); // GMCTRP1 |
smultron1977 | 0:246f2fb5be59 | 263 | wr_dat(0x02); |
smultron1977 | 0:246f2fb5be59 | 264 | wr_dat(0x1c); |
smultron1977 | 0:246f2fb5be59 | 265 | wr_dat(0x07); |
smultron1977 | 0:246f2fb5be59 | 266 | wr_dat(0x12); |
smultron1977 | 0:246f2fb5be59 | 267 | wr_dat(0x37); |
smultron1977 | 0:246f2fb5be59 | 268 | wr_dat(0x32); |
smultron1977 | 0:246f2fb5be59 | 269 | wr_dat(0x29); |
smultron1977 | 0:246f2fb5be59 | 270 | wr_dat(0x2d); |
smultron1977 | 0:246f2fb5be59 | 271 | wr_dat(0x29); |
smultron1977 | 0:246f2fb5be59 | 272 | wr_dat(0x25); |
smultron1977 | 0:246f2fb5be59 | 273 | wr_dat(0x2B); |
smultron1977 | 0:246f2fb5be59 | 274 | wr_dat(0x39); |
smultron1977 | 0:246f2fb5be59 | 275 | wr_dat(0x00); |
smultron1977 | 0:246f2fb5be59 | 276 | wr_dat(0x01); |
smultron1977 | 0:246f2fb5be59 | 277 | wr_dat(0x03); |
smultron1977 | 0:246f2fb5be59 | 278 | wr_dat(0x10); |
smultron1977 | 0:246f2fb5be59 | 279 | wr_cmd(0xE1); // GMCTRN1 |
smultron1977 | 0:246f2fb5be59 | 280 | wr_dat(0x03); |
smultron1977 | 0:246f2fb5be59 | 281 | wr_dat(0x1d); |
smultron1977 | 0:246f2fb5be59 | 282 | wr_dat(0x07); |
smultron1977 | 0:246f2fb5be59 | 283 | wr_dat(0x06); |
smultron1977 | 0:246f2fb5be59 | 284 | wr_dat(0x2E); |
smultron1977 | 0:246f2fb5be59 | 285 | wr_dat(0x2C); |
smultron1977 | 0:246f2fb5be59 | 286 | wr_dat(0x29); |
smultron1977 | 0:246f2fb5be59 | 287 | wr_dat(0x2D); |
smultron1977 | 0:246f2fb5be59 | 288 | wr_dat(0x2E); |
smultron1977 | 0:246f2fb5be59 | 289 | wr_dat(0x2E); |
smultron1977 | 0:246f2fb5be59 | 290 | wr_dat(0x37); |
smultron1977 | 0:246f2fb5be59 | 291 | wr_dat(0x3F); |
smultron1977 | 0:246f2fb5be59 | 292 | wr_dat(0x00); |
smultron1977 | 0:246f2fb5be59 | 293 | wr_dat(0x00); |
smultron1977 | 0:246f2fb5be59 | 294 | wr_dat(0x02); |
smultron1977 | 0:246f2fb5be59 | 295 | wr_dat(0x10); |
smultron1977 | 0:246f2fb5be59 | 296 | |
smultron1977 | 0:246f2fb5be59 | 297 | wr_cmd(ST7735_DISPON); // display ON |
smultron1977 | 0:246f2fb5be59 | 298 | wait_ms(100); |
smultron1977 | 0:246f2fb5be59 | 299 | |
smultron1977 | 0:246f2fb5be59 | 300 | wr_cmd(ST7735_NORON); // normal display on |
smultron1977 | 0:246f2fb5be59 | 301 | wait_ms(10); |
smultron1977 | 0:246f2fb5be59 | 302 | |
smultron1977 | 0:246f2fb5be59 | 303 | switch (orientation) { |
smultron1977 | 0:246f2fb5be59 | 304 | case 0: |
smultron1977 | 0:246f2fb5be59 | 305 | wr_reg(0xC8, 0x0008); |
smultron1977 | 0:246f2fb5be59 | 306 | break; |
smultron1977 | 0:246f2fb5be59 | 307 | case 1: |
smultron1977 | 0:246f2fb5be59 | 308 | wr_reg(0xC8, 0x0068); |
smultron1977 | 0:246f2fb5be59 | 309 | break; |
smultron1977 | 0:246f2fb5be59 | 310 | case 2: |
smultron1977 | 0:246f2fb5be59 | 311 | wr_reg(0xC8, 0x00C8); |
smultron1977 | 0:246f2fb5be59 | 312 | break; |
smultron1977 | 0:246f2fb5be59 | 313 | case 3: |
smultron1977 | 0:246f2fb5be59 | 314 | wr_reg(0xC8, 0x00A8); |
smultron1977 | 0:246f2fb5be59 | 315 | break; |
smultron1977 | 0:246f2fb5be59 | 316 | } |
smultron1977 | 0:246f2fb5be59 | 317 | WindowMax (); |
smultron1977 | 0:246f2fb5be59 | 318 | } |
smultron1977 | 0:246f2fb5be59 | 319 | |
smultron1977 | 0:246f2fb5be59 | 320 | |
smultron1977 | 0:246f2fb5be59 | 321 | void ST7735_TFT::pixel(int x, int y, int color) { |
smultron1977 | 0:246f2fb5be59 | 322 | if ((x >= width()) || (y >= height())) return; |
smultron1977 | 0:246f2fb5be59 | 323 | |
smultron1977 | 0:246f2fb5be59 | 324 | window(x,y,x+1,y+1); |
smultron1977 | 0:246f2fb5be59 | 325 | |
smultron1977 | 0:246f2fb5be59 | 326 | // setup for data |
smultron1977 | 0:246f2fb5be59 | 327 | _rs = 1; |
smultron1977 | 0:246f2fb5be59 | 328 | _cs = 0; |
smultron1977 | 0:246f2fb5be59 | 329 | _spi.format(16,3); |
smultron1977 | 0:246f2fb5be59 | 330 | _spi.write(color); |
smultron1977 | 0:246f2fb5be59 | 331 | _cs = 1; |
smultron1977 | 0:246f2fb5be59 | 332 | _spi.format(8,3); |
smultron1977 | 0:246f2fb5be59 | 333 | } |
smultron1977 | 0:246f2fb5be59 | 334 | |
smultron1977 | 0:246f2fb5be59 | 335 | void ST7735_TFT::window (unsigned int x, unsigned int y, unsigned int w, unsigned int h) { |
smultron1977 | 0:246f2fb5be59 | 336 | wr_cmd(ST7735_CASET); // column addr set |
smultron1977 | 0:246f2fb5be59 | 337 | wr_dat(0x00); |
smultron1977 | 0:246f2fb5be59 | 338 | wr_dat(x+2); // XSTART |
smultron1977 | 0:246f2fb5be59 | 339 | wr_dat(0x00); |
smultron1977 | 0:246f2fb5be59 | 340 | wr_dat(x+w+1); // XEND |
smultron1977 | 0:246f2fb5be59 | 341 | |
smultron1977 | 0:246f2fb5be59 | 342 | wr_cmd(ST7735_RASET); // row addr set |
smultron1977 | 0:246f2fb5be59 | 343 | wr_dat(0x00); |
smultron1977 | 0:246f2fb5be59 | 344 | wr_dat(y+1); // YSTART |
smultron1977 | 0:246f2fb5be59 | 345 | wr_dat(0x00); |
smultron1977 | 0:246f2fb5be59 | 346 | wr_dat(y+h+1); // YEND |
smultron1977 | 0:246f2fb5be59 | 347 | |
smultron1977 | 0:246f2fb5be59 | 348 | wr_cmd(ST7735_RAMWR); // write to RAM |
smultron1977 | 0:246f2fb5be59 | 349 | } |
smultron1977 | 0:246f2fb5be59 | 350 | |
smultron1977 | 0:246f2fb5be59 | 351 | |
smultron1977 | 0:246f2fb5be59 | 352 | void ST7735_TFT::WindowMax (void) { |
smultron1977 | 0:246f2fb5be59 | 353 | window (0, 0, width(), height()); |
smultron1977 | 0:246f2fb5be59 | 354 | } |
smultron1977 | 0:246f2fb5be59 | 355 | |
smultron1977 | 0:246f2fb5be59 | 356 | |
smultron1977 | 0:246f2fb5be59 | 357 | void ST7735_TFT::cls (void) { |
smultron1977 | 0:246f2fb5be59 | 358 | unsigned int i; |
smultron1977 | 0:246f2fb5be59 | 359 | WindowMax(); |
smultron1977 | 0:246f2fb5be59 | 360 | wr_dat_start(); |
smultron1977 | 0:246f2fb5be59 | 361 | _spi.format(16,3); |
smultron1977 | 0:246f2fb5be59 | 362 | for (i = 0; i < ( (width()+1) * (height()+3)); i++) { |
smultron1977 | 0:246f2fb5be59 | 363 | _spi.write(_background); |
smultron1977 | 0:246f2fb5be59 | 364 | } |
smultron1977 | 0:246f2fb5be59 | 365 | _spi.format(8,3); |
smultron1977 | 0:246f2fb5be59 | 366 | wr_dat_stop(); |
smultron1977 | 0:246f2fb5be59 | 367 | } |
smultron1977 | 0:246f2fb5be59 | 368 | |
smultron1977 | 0:246f2fb5be59 | 369 | |
smultron1977 | 0:246f2fb5be59 | 370 | void ST7735_TFT::circle(int x0, int y0, int r, int color) { |
smultron1977 | 0:246f2fb5be59 | 371 | |
smultron1977 | 0:246f2fb5be59 | 372 | int draw_x0, draw_y0; |
smultron1977 | 0:246f2fb5be59 | 373 | int draw_x1, draw_y1; |
smultron1977 | 0:246f2fb5be59 | 374 | int draw_x2, draw_y2; |
smultron1977 | 0:246f2fb5be59 | 375 | int draw_x3, draw_y3; |
smultron1977 | 0:246f2fb5be59 | 376 | int draw_x4, draw_y4; |
smultron1977 | 0:246f2fb5be59 | 377 | int draw_x5, draw_y5; |
smultron1977 | 0:246f2fb5be59 | 378 | int draw_x6, draw_y6; |
smultron1977 | 0:246f2fb5be59 | 379 | int draw_x7, draw_y7; |
smultron1977 | 0:246f2fb5be59 | 380 | int xx, yy; |
smultron1977 | 0:246f2fb5be59 | 381 | int di; |
smultron1977 | 0:246f2fb5be59 | 382 | WindowMax(); |
smultron1977 | 0:246f2fb5be59 | 383 | if (r == 0) { /* no radius */ |
smultron1977 | 0:246f2fb5be59 | 384 | return; |
smultron1977 | 0:246f2fb5be59 | 385 | } |
smultron1977 | 0:246f2fb5be59 | 386 | |
smultron1977 | 0:246f2fb5be59 | 387 | draw_x0 = draw_x1 = x0; |
smultron1977 | 0:246f2fb5be59 | 388 | draw_y0 = draw_y1 = y0 + r; |
smultron1977 | 0:246f2fb5be59 | 389 | if (draw_y0 < height()) { |
smultron1977 | 0:246f2fb5be59 | 390 | pixel(draw_x0, draw_y0, color); /* 90 degree */ |
smultron1977 | 0:246f2fb5be59 | 391 | } |
smultron1977 | 0:246f2fb5be59 | 392 | |
smultron1977 | 0:246f2fb5be59 | 393 | draw_x2 = draw_x3 = x0; |
smultron1977 | 0:246f2fb5be59 | 394 | draw_y2 = draw_y3 = y0 - r; |
smultron1977 | 0:246f2fb5be59 | 395 | if (draw_y2 >= 0) { |
smultron1977 | 0:246f2fb5be59 | 396 | pixel(draw_x2, draw_y2, color); /* 270 degree */ |
smultron1977 | 0:246f2fb5be59 | 397 | } |
smultron1977 | 0:246f2fb5be59 | 398 | |
smultron1977 | 0:246f2fb5be59 | 399 | draw_x4 = draw_x6 = x0 + r; |
smultron1977 | 0:246f2fb5be59 | 400 | draw_y4 = draw_y6 = y0; |
smultron1977 | 0:246f2fb5be59 | 401 | if (draw_x4 < width()) { |
smultron1977 | 0:246f2fb5be59 | 402 | pixel(draw_x4, draw_y4, color); /* 0 degree */ |
smultron1977 | 0:246f2fb5be59 | 403 | } |
smultron1977 | 0:246f2fb5be59 | 404 | |
smultron1977 | 0:246f2fb5be59 | 405 | draw_x5 = draw_x7 = x0 - r; |
smultron1977 | 0:246f2fb5be59 | 406 | draw_y5 = draw_y7 = y0; |
smultron1977 | 0:246f2fb5be59 | 407 | if (draw_x5>=0) { |
smultron1977 | 0:246f2fb5be59 | 408 | pixel(draw_x5, draw_y5, color); /* 180 degree */ |
smultron1977 | 0:246f2fb5be59 | 409 | } |
smultron1977 | 0:246f2fb5be59 | 410 | |
smultron1977 | 0:246f2fb5be59 | 411 | if (r == 1) { |
smultron1977 | 0:246f2fb5be59 | 412 | return; |
smultron1977 | 0:246f2fb5be59 | 413 | } |
smultron1977 | 0:246f2fb5be59 | 414 | |
smultron1977 | 0:246f2fb5be59 | 415 | di = 3 - 2*r; |
smultron1977 | 0:246f2fb5be59 | 416 | xx = 0; |
smultron1977 | 0:246f2fb5be59 | 417 | yy = r; |
smultron1977 | 0:246f2fb5be59 | 418 | while (xx < yy) { |
smultron1977 | 0:246f2fb5be59 | 419 | |
smultron1977 | 0:246f2fb5be59 | 420 | if (di < 0) { |
smultron1977 | 0:246f2fb5be59 | 421 | di += 4*xx + 6; |
smultron1977 | 0:246f2fb5be59 | 422 | } else { |
smultron1977 | 0:246f2fb5be59 | 423 | di += 4*(xx - yy) + 10; |
smultron1977 | 0:246f2fb5be59 | 424 | yy--; |
smultron1977 | 0:246f2fb5be59 | 425 | draw_y0--; |
smultron1977 | 0:246f2fb5be59 | 426 | draw_y1--; |
smultron1977 | 0:246f2fb5be59 | 427 | draw_y2++; |
smultron1977 | 0:246f2fb5be59 | 428 | draw_y3++; |
smultron1977 | 0:246f2fb5be59 | 429 | draw_x4--; |
smultron1977 | 0:246f2fb5be59 | 430 | draw_x5++; |
smultron1977 | 0:246f2fb5be59 | 431 | draw_x6--; |
smultron1977 | 0:246f2fb5be59 | 432 | draw_x7++; |
smultron1977 | 0:246f2fb5be59 | 433 | } |
smultron1977 | 0:246f2fb5be59 | 434 | xx++; |
smultron1977 | 0:246f2fb5be59 | 435 | draw_x0++; |
smultron1977 | 0:246f2fb5be59 | 436 | draw_x1--; |
smultron1977 | 0:246f2fb5be59 | 437 | draw_x2++; |
smultron1977 | 0:246f2fb5be59 | 438 | draw_x3--; |
smultron1977 | 0:246f2fb5be59 | 439 | draw_y4++; |
smultron1977 | 0:246f2fb5be59 | 440 | draw_y5++; |
smultron1977 | 0:246f2fb5be59 | 441 | draw_y6--; |
smultron1977 | 0:246f2fb5be59 | 442 | draw_y7--; |
smultron1977 | 0:246f2fb5be59 | 443 | |
smultron1977 | 0:246f2fb5be59 | 444 | if ( (draw_x0 <= width()) && (draw_y0>=0) ) { |
smultron1977 | 0:246f2fb5be59 | 445 | pixel(draw_x0, draw_y0, color); |
smultron1977 | 0:246f2fb5be59 | 446 | } |
smultron1977 | 0:246f2fb5be59 | 447 | |
smultron1977 | 0:246f2fb5be59 | 448 | if ( (draw_x1 >= 0) && (draw_y1 >= 0) ) { |
smultron1977 | 0:246f2fb5be59 | 449 | pixel(draw_x1, draw_y1, color); |
smultron1977 | 0:246f2fb5be59 | 450 | } |
smultron1977 | 0:246f2fb5be59 | 451 | |
smultron1977 | 0:246f2fb5be59 | 452 | if ( (draw_x2 <= width()) && (draw_y2 <= height()) ) { |
smultron1977 | 0:246f2fb5be59 | 453 | pixel(draw_x2, draw_y2, color); |
smultron1977 | 0:246f2fb5be59 | 454 | } |
smultron1977 | 0:246f2fb5be59 | 455 | |
smultron1977 | 0:246f2fb5be59 | 456 | if ( (draw_x3 >=0 ) && (draw_y3 <= height()) ) { |
smultron1977 | 0:246f2fb5be59 | 457 | pixel(draw_x3, draw_y3, color); |
smultron1977 | 0:246f2fb5be59 | 458 | } |
smultron1977 | 0:246f2fb5be59 | 459 | |
smultron1977 | 0:246f2fb5be59 | 460 | if ( (draw_x4 <= width()) && (draw_y4 >= 0) ) { |
smultron1977 | 0:246f2fb5be59 | 461 | pixel(draw_x4, draw_y4, color); |
smultron1977 | 0:246f2fb5be59 | 462 | } |
smultron1977 | 0:246f2fb5be59 | 463 | |
smultron1977 | 0:246f2fb5be59 | 464 | if ( (draw_x5 >= 0) && (draw_y5 >= 0) ) { |
smultron1977 | 0:246f2fb5be59 | 465 | pixel(draw_x5, draw_y5, color); |
smultron1977 | 0:246f2fb5be59 | 466 | } |
smultron1977 | 0:246f2fb5be59 | 467 | if ( (draw_x6 <=width()) && (draw_y6 <= height()) ) { |
smultron1977 | 0:246f2fb5be59 | 468 | pixel(draw_x6, draw_y6, color); |
smultron1977 | 0:246f2fb5be59 | 469 | } |
smultron1977 | 0:246f2fb5be59 | 470 | if ( (draw_x7 >= 0) && (draw_y7 <= height()) ) { |
smultron1977 | 0:246f2fb5be59 | 471 | pixel(draw_x7, draw_y7, color); |
smultron1977 | 0:246f2fb5be59 | 472 | } |
smultron1977 | 0:246f2fb5be59 | 473 | } |
smultron1977 | 0:246f2fb5be59 | 474 | return; |
smultron1977 | 0:246f2fb5be59 | 475 | } |
smultron1977 | 0:246f2fb5be59 | 476 | |
smultron1977 | 0:246f2fb5be59 | 477 | void ST7735_TFT::fillcircle(int x, int y, int r, int color) { |
smultron1977 | 0:246f2fb5be59 | 478 | int i; |
smultron1977 | 0:246f2fb5be59 | 479 | for (i = 0; i <= r; i++) |
smultron1977 | 0:246f2fb5be59 | 480 | circle(x,y,i,color); |
smultron1977 | 0:246f2fb5be59 | 481 | } |
smultron1977 | 0:246f2fb5be59 | 482 | |
smultron1977 | 0:246f2fb5be59 | 483 | |
smultron1977 | 0:246f2fb5be59 | 484 | |
smultron1977 | 0:246f2fb5be59 | 485 | void ST7735_TFT::hline(int x0, int x1, int y, int color) { |
smultron1977 | 0:246f2fb5be59 | 486 | int w; |
smultron1977 | 0:246f2fb5be59 | 487 | w = x1 - x0 + 1; |
smultron1977 | 0:246f2fb5be59 | 488 | window(x0,y,w,1); |
smultron1977 | 0:246f2fb5be59 | 489 | wr_cmd(0x2C); |
smultron1977 | 0:246f2fb5be59 | 490 | wr_dat_start(); |
smultron1977 | 0:246f2fb5be59 | 491 | for (int x=0; x<w; x++) { |
smultron1977 | 0:246f2fb5be59 | 492 | _spi.write(color); |
smultron1977 | 0:246f2fb5be59 | 493 | _spi.write(color >> 8); |
smultron1977 | 0:246f2fb5be59 | 494 | } |
smultron1977 | 0:246f2fb5be59 | 495 | wr_dat_stop(); |
smultron1977 | 0:246f2fb5be59 | 496 | return; |
smultron1977 | 0:246f2fb5be59 | 497 | } |
smultron1977 | 0:246f2fb5be59 | 498 | |
smultron1977 | 0:246f2fb5be59 | 499 | |
smultron1977 | 0:246f2fb5be59 | 500 | |
smultron1977 | 0:246f2fb5be59 | 501 | void ST7735_TFT::vline(int x, int y0, int y1, int color) { |
smultron1977 | 0:246f2fb5be59 | 502 | int h; |
smultron1977 | 0:246f2fb5be59 | 503 | h = y1 - y0 + 1; |
smultron1977 | 0:246f2fb5be59 | 504 | window(x,y0,1,h); |
smultron1977 | 0:246f2fb5be59 | 505 | wr_cmd(0x2C); |
smultron1977 | 0:246f2fb5be59 | 506 | wr_dat_start(); |
smultron1977 | 0:246f2fb5be59 | 507 | for (int y=0; y<h; y++) { |
smultron1977 | 0:246f2fb5be59 | 508 | _spi.write(color); |
smultron1977 | 0:246f2fb5be59 | 509 | _spi.write(color >> 8); |
smultron1977 | 0:246f2fb5be59 | 510 | } |
smultron1977 | 0:246f2fb5be59 | 511 | wr_dat_stop(); |
smultron1977 | 0:246f2fb5be59 | 512 | return; |
smultron1977 | 0:246f2fb5be59 | 513 | } |
smultron1977 | 0:246f2fb5be59 | 514 | |
smultron1977 | 0:246f2fb5be59 | 515 | |
smultron1977 | 0:246f2fb5be59 | 516 | |
smultron1977 | 0:246f2fb5be59 | 517 | void ST7735_TFT::line(int x0, int y0, int x1, int y1, int color) { |
smultron1977 | 0:246f2fb5be59 | 518 | WindowMax(); |
smultron1977 | 0:246f2fb5be59 | 519 | int dx = 0, dy = 0; |
smultron1977 | 0:246f2fb5be59 | 520 | int dx_sym = 0, dy_sym = 0; |
smultron1977 | 0:246f2fb5be59 | 521 | int dx_x2 = 0, dy_x2 = 0; |
smultron1977 | 0:246f2fb5be59 | 522 | int di = 0; |
smultron1977 | 0:246f2fb5be59 | 523 | |
smultron1977 | 0:246f2fb5be59 | 524 | dx = x1-x0; |
smultron1977 | 0:246f2fb5be59 | 525 | dy = y1-y0; |
smultron1977 | 0:246f2fb5be59 | 526 | |
smultron1977 | 0:246f2fb5be59 | 527 | if (dx == 0) { /* vertical line */ |
smultron1977 | 0:246f2fb5be59 | 528 | if (y1 > y0) vline(x0,y0,y1,color); |
smultron1977 | 0:246f2fb5be59 | 529 | else vline(x0,y1,y0,color); |
smultron1977 | 0:246f2fb5be59 | 530 | return; |
smultron1977 | 0:246f2fb5be59 | 531 | } |
smultron1977 | 0:246f2fb5be59 | 532 | |
smultron1977 | 0:246f2fb5be59 | 533 | if (dx > 0) { |
smultron1977 | 0:246f2fb5be59 | 534 | dx_sym = 1; |
smultron1977 | 0:246f2fb5be59 | 535 | } else { |
smultron1977 | 0:246f2fb5be59 | 536 | dx_sym = -1; |
smultron1977 | 0:246f2fb5be59 | 537 | } |
smultron1977 | 0:246f2fb5be59 | 538 | if (dy == 0) { /* horizontal line */ |
smultron1977 | 0:246f2fb5be59 | 539 | if (x1 > x0) hline(x0,x1,y0,color); |
smultron1977 | 0:246f2fb5be59 | 540 | else hline(x1,x0,y0,color); |
smultron1977 | 0:246f2fb5be59 | 541 | return; |
smultron1977 | 0:246f2fb5be59 | 542 | } |
smultron1977 | 0:246f2fb5be59 | 543 | |
smultron1977 | 0:246f2fb5be59 | 544 | if (dy > 0) { |
smultron1977 | 0:246f2fb5be59 | 545 | dy_sym = 1; |
smultron1977 | 0:246f2fb5be59 | 546 | } else { |
smultron1977 | 0:246f2fb5be59 | 547 | dy_sym = -1; |
smultron1977 | 0:246f2fb5be59 | 548 | } |
smultron1977 | 0:246f2fb5be59 | 549 | |
smultron1977 | 0:246f2fb5be59 | 550 | dx = dx_sym*dx; |
smultron1977 | 0:246f2fb5be59 | 551 | dy = dy_sym*dy; |
smultron1977 | 0:246f2fb5be59 | 552 | |
smultron1977 | 0:246f2fb5be59 | 553 | dx_x2 = dx*2; |
smultron1977 | 0:246f2fb5be59 | 554 | dy_x2 = dy*2; |
smultron1977 | 0:246f2fb5be59 | 555 | |
smultron1977 | 0:246f2fb5be59 | 556 | if (dx >= dy) { |
smultron1977 | 0:246f2fb5be59 | 557 | di = dy_x2 - dx; |
smultron1977 | 0:246f2fb5be59 | 558 | while (x0 != x1) { |
smultron1977 | 0:246f2fb5be59 | 559 | |
smultron1977 | 0:246f2fb5be59 | 560 | pixel(x0, y0, color); |
smultron1977 | 0:246f2fb5be59 | 561 | x0 += dx_sym; |
smultron1977 | 0:246f2fb5be59 | 562 | if (di<0) { |
smultron1977 | 0:246f2fb5be59 | 563 | di += dy_x2; |
smultron1977 | 0:246f2fb5be59 | 564 | } else { |
smultron1977 | 0:246f2fb5be59 | 565 | di += dy_x2 - dx_x2; |
smultron1977 | 0:246f2fb5be59 | 566 | y0 += dy_sym; |
smultron1977 | 0:246f2fb5be59 | 567 | } |
smultron1977 | 0:246f2fb5be59 | 568 | } |
smultron1977 | 0:246f2fb5be59 | 569 | pixel(x0, y0, color); |
smultron1977 | 0:246f2fb5be59 | 570 | } else { |
smultron1977 | 0:246f2fb5be59 | 571 | di = dx_x2 - dy; |
smultron1977 | 0:246f2fb5be59 | 572 | while (y0 != y1) { |
smultron1977 | 0:246f2fb5be59 | 573 | pixel(x0, y0, color); |
smultron1977 | 0:246f2fb5be59 | 574 | y0 += dy_sym; |
smultron1977 | 0:246f2fb5be59 | 575 | if (di < 0) { |
smultron1977 | 0:246f2fb5be59 | 576 | di += dx_x2; |
smultron1977 | 0:246f2fb5be59 | 577 | } else { |
smultron1977 | 0:246f2fb5be59 | 578 | di += dx_x2 - dy_x2; |
smultron1977 | 0:246f2fb5be59 | 579 | x0 += dx_sym; |
smultron1977 | 0:246f2fb5be59 | 580 | } |
smultron1977 | 0:246f2fb5be59 | 581 | } |
smultron1977 | 0:246f2fb5be59 | 582 | pixel(x0, y0, color); |
smultron1977 | 0:246f2fb5be59 | 583 | } |
smultron1977 | 0:246f2fb5be59 | 584 | return; |
smultron1977 | 0:246f2fb5be59 | 585 | } |
smultron1977 | 0:246f2fb5be59 | 586 | |
smultron1977 | 0:246f2fb5be59 | 587 | |
smultron1977 | 0:246f2fb5be59 | 588 | |
smultron1977 | 0:246f2fb5be59 | 589 | |
smultron1977 | 0:246f2fb5be59 | 590 | void ST7735_TFT::rect(int x0, int y0, int x1, int y1, int color) { |
smultron1977 | 0:246f2fb5be59 | 591 | |
smultron1977 | 0:246f2fb5be59 | 592 | if (x1 > x0) hline(x0,x1,y0,color); |
smultron1977 | 0:246f2fb5be59 | 593 | else hline(x1,x0,y0,color); |
smultron1977 | 0:246f2fb5be59 | 594 | |
smultron1977 | 0:246f2fb5be59 | 595 | if (y1 > y0) vline(x0,y0,y1,color); |
smultron1977 | 0:246f2fb5be59 | 596 | else vline(x0,y1,y0,color); |
smultron1977 | 0:246f2fb5be59 | 597 | |
smultron1977 | 0:246f2fb5be59 | 598 | if (x1 > x0) hline(x0,x1,y1,color); |
smultron1977 | 0:246f2fb5be59 | 599 | else hline(x1,x0,y1,color); |
smultron1977 | 0:246f2fb5be59 | 600 | |
smultron1977 | 0:246f2fb5be59 | 601 | if (y1 > y0) vline(x1,y0,y1,color); |
smultron1977 | 0:246f2fb5be59 | 602 | else vline(x1,y1,y0,color); |
smultron1977 | 0:246f2fb5be59 | 603 | |
smultron1977 | 0:246f2fb5be59 | 604 | return; |
smultron1977 | 0:246f2fb5be59 | 605 | } |
smultron1977 | 0:246f2fb5be59 | 606 | |
smultron1977 | 0:246f2fb5be59 | 607 | |
smultron1977 | 0:246f2fb5be59 | 608 | |
smultron1977 | 0:246f2fb5be59 | 609 | void ST7735_TFT::fillrect(int x0, int y0, int x1, int y1, int color) { |
smultron1977 | 0:246f2fb5be59 | 610 | |
smultron1977 | 0:246f2fb5be59 | 611 | int h = y1 - y0 + 1; |
smultron1977 | 0:246f2fb5be59 | 612 | int w = x1 - x0 + 1; |
smultron1977 | 0:246f2fb5be59 | 613 | int pixel = h * w; |
smultron1977 | 0:246f2fb5be59 | 614 | window(x0,y0,w,h); |
smultron1977 | 0:246f2fb5be59 | 615 | wr_cmd(0x2C); |
smultron1977 | 0:246f2fb5be59 | 616 | wr_dat_start(); |
smultron1977 | 0:246f2fb5be59 | 617 | for (int p=0; p<pixel; p++) { |
smultron1977 | 0:246f2fb5be59 | 618 | _spi.write(color); |
smultron1977 | 0:246f2fb5be59 | 619 | _spi.write(color >> 8); |
smultron1977 | 0:246f2fb5be59 | 620 | } |
smultron1977 | 0:246f2fb5be59 | 621 | wr_dat_stop(); |
smultron1977 | 0:246f2fb5be59 | 622 | return; |
smultron1977 | 0:246f2fb5be59 | 623 | } |
smultron1977 | 0:246f2fb5be59 | 624 | |
smultron1977 | 0:246f2fb5be59 | 625 | |
smultron1977 | 0:246f2fb5be59 | 626 | |
smultron1977 | 0:246f2fb5be59 | 627 | void ST7735_TFT::locate(int x, int y) { |
smultron1977 | 0:246f2fb5be59 | 628 | char_x = x; |
smultron1977 | 0:246f2fb5be59 | 629 | char_y = y; |
smultron1977 | 0:246f2fb5be59 | 630 | } |
smultron1977 | 0:246f2fb5be59 | 631 | |
smultron1977 | 0:246f2fb5be59 | 632 | |
smultron1977 | 0:246f2fb5be59 | 633 | |
smultron1977 | 0:246f2fb5be59 | 634 | int ST7735_TFT::columns() { |
smultron1977 | 0:246f2fb5be59 | 635 | return width() / font[1]; |
smultron1977 | 0:246f2fb5be59 | 636 | } |
smultron1977 | 0:246f2fb5be59 | 637 | |
smultron1977 | 0:246f2fb5be59 | 638 | |
smultron1977 | 0:246f2fb5be59 | 639 | |
smultron1977 | 0:246f2fb5be59 | 640 | int ST7735_TFT::rows() { |
smultron1977 | 0:246f2fb5be59 | 641 | return height() / font[2]; |
smultron1977 | 0:246f2fb5be59 | 642 | } |
smultron1977 | 0:246f2fb5be59 | 643 | |
smultron1977 | 0:246f2fb5be59 | 644 | |
smultron1977 | 0:246f2fb5be59 | 645 | |
smultron1977 | 0:246f2fb5be59 | 646 | int ST7735_TFT::_putc(int value) { |
smultron1977 | 0:246f2fb5be59 | 647 | if (value == '\n') { // new line |
smultron1977 | 0:246f2fb5be59 | 648 | char_x = 0; |
smultron1977 | 0:246f2fb5be59 | 649 | char_y = char_y + font[2]; |
smultron1977 | 0:246f2fb5be59 | 650 | if (char_y >= height() - font[2]) { |
smultron1977 | 0:246f2fb5be59 | 651 | char_y = 0; |
smultron1977 | 0:246f2fb5be59 | 652 | } |
smultron1977 | 0:246f2fb5be59 | 653 | } else { |
smultron1977 | 0:246f2fb5be59 | 654 | character(char_x, char_y, value); |
smultron1977 | 0:246f2fb5be59 | 655 | } |
smultron1977 | 0:246f2fb5be59 | 656 | return value; |
smultron1977 | 0:246f2fb5be59 | 657 | } |
smultron1977 | 0:246f2fb5be59 | 658 | |
smultron1977 | 0:246f2fb5be59 | 659 | |
smultron1977 | 0:246f2fb5be59 | 660 | |
smultron1977 | 0:246f2fb5be59 | 661 | |
smultron1977 | 0:246f2fb5be59 | 662 | void ST7735_TFT::character(int x, int y, int c) { |
smultron1977 | 0:246f2fb5be59 | 663 | unsigned int hor,vert,offset,bpl,j,i,b; |
smultron1977 | 0:246f2fb5be59 | 664 | unsigned char* zeichen; |
smultron1977 | 0:246f2fb5be59 | 665 | unsigned char z,w; |
smultron1977 | 0:246f2fb5be59 | 666 | |
smultron1977 | 0:246f2fb5be59 | 667 | if ((c < 31) || (c > 127)) return; // test char range |
smultron1977 | 0:246f2fb5be59 | 668 | |
smultron1977 | 0:246f2fb5be59 | 669 | // read font parameter from start of array |
smultron1977 | 0:246f2fb5be59 | 670 | offset = font[0]; // bytes / char |
smultron1977 | 0:246f2fb5be59 | 671 | hor = font[1]; // get hor size of font |
smultron1977 | 0:246f2fb5be59 | 672 | vert = font[2]; // get vert size of font |
smultron1977 | 0:246f2fb5be59 | 673 | bpl = font[3]; // bytes per line |
smultron1977 | 0:246f2fb5be59 | 674 | |
smultron1977 | 0:246f2fb5be59 | 675 | if (char_x + hor > width()) { |
smultron1977 | 0:246f2fb5be59 | 676 | char_x = 0; |
smultron1977 | 0:246f2fb5be59 | 677 | char_y = char_y + vert; |
smultron1977 | 0:246f2fb5be59 | 678 | if (char_y >= height() - font[2]) { |
smultron1977 | 0:246f2fb5be59 | 679 | char_y = 0; |
smultron1977 | 0:246f2fb5be59 | 680 | } |
smultron1977 | 0:246f2fb5be59 | 681 | } |
smultron1977 | 0:246f2fb5be59 | 682 | |
smultron1977 | 0:246f2fb5be59 | 683 | window(char_x, char_y,hor,vert); // char box |
smultron1977 | 0:246f2fb5be59 | 684 | wr_cmd(0x2C); |
smultron1977 | 0:246f2fb5be59 | 685 | wr_dat_start(); |
smultron1977 | 0:246f2fb5be59 | 686 | zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap |
smultron1977 | 0:246f2fb5be59 | 687 | w = zeichen[0]; // width of actual char |
smultron1977 | 0:246f2fb5be59 | 688 | _spi.format(16,3); // pixel are 16 bit |
smultron1977 | 0:246f2fb5be59 | 689 | |
smultron1977 | 0:246f2fb5be59 | 690 | for (j=0; j<vert; j++) { // vert line |
smultron1977 | 0:246f2fb5be59 | 691 | for (i=0; i<hor; i++) { // horz line |
smultron1977 | 0:246f2fb5be59 | 692 | z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1]; |
smultron1977 | 0:246f2fb5be59 | 693 | b = 1 << (j & 0x07); |
smultron1977 | 0:246f2fb5be59 | 694 | if (( z & b ) == 0x00) { |
smultron1977 | 0:246f2fb5be59 | 695 | _spi.write(_background); |
smultron1977 | 0:246f2fb5be59 | 696 | } else { |
smultron1977 | 0:246f2fb5be59 | 697 | _spi.write(_foreground); |
smultron1977 | 0:246f2fb5be59 | 698 | } |
smultron1977 | 0:246f2fb5be59 | 699 | } |
smultron1977 | 0:246f2fb5be59 | 700 | } |
smultron1977 | 0:246f2fb5be59 | 701 | _spi.format(8,3); // 8 bit |
smultron1977 | 0:246f2fb5be59 | 702 | wr_dat_stop(); |
smultron1977 | 0:246f2fb5be59 | 703 | if ((w + 2) < hor) { // x offset to next char |
smultron1977 | 0:246f2fb5be59 | 704 | char_x += w + 2; |
smultron1977 | 0:246f2fb5be59 | 705 | } else char_x += hor; |
smultron1977 | 0:246f2fb5be59 | 706 | } |
smultron1977 | 0:246f2fb5be59 | 707 | |
smultron1977 | 0:246f2fb5be59 | 708 | |
smultron1977 | 0:246f2fb5be59 | 709 | |
smultron1977 | 0:246f2fb5be59 | 710 | |
smultron1977 | 0:246f2fb5be59 | 711 | |
smultron1977 | 0:246f2fb5be59 | 712 | void ST7735_TFT::set_font(unsigned char* f) { |
smultron1977 | 0:246f2fb5be59 | 713 | font = f; |
smultron1977 | 0:246f2fb5be59 | 714 | } |
smultron1977 | 0:246f2fb5be59 | 715 | |
smultron1977 | 0:246f2fb5be59 | 716 | |
smultron1977 | 0:246f2fb5be59 | 717 | |
smultron1977 | 0:246f2fb5be59 | 718 | void ST7735_TFT::Bitmap(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *bitmap) { |
smultron1977 | 0:246f2fb5be59 | 719 | unsigned int i,j,value; |
smultron1977 | 0:246f2fb5be59 | 720 | unsigned short *bitmap_ptr = (unsigned short *)bitmap; |
smultron1977 | 0:246f2fb5be59 | 721 | window(x, y, w, h); |
smultron1977 | 0:246f2fb5be59 | 722 | wr_cmd(0x2C); |
smultron1977 | 0:246f2fb5be59 | 723 | wr_dat_start(); |
smultron1977 | 0:246f2fb5be59 | 724 | for (j = 0; j < h; j++) { //Lines |
smultron1977 | 0:246f2fb5be59 | 725 | for (i = 0; i < w; i++) { // copy pixel data to TFT |
smultron1977 | 0:246f2fb5be59 | 726 | _spi.write(*bitmap_ptr); // one line |
smultron1977 | 0:246f2fb5be59 | 727 | _spi.write(*bitmap_ptr >> 8); |
smultron1977 | 0:246f2fb5be59 | 728 | bitmap_ptr++; |
smultron1977 | 0:246f2fb5be59 | 729 | } |
smultron1977 | 0:246f2fb5be59 | 730 | } |
smultron1977 | 0:246f2fb5be59 | 731 | wr_dat_stop(); |
smultron1977 | 0:246f2fb5be59 | 732 | } |
smultron1977 | 0:246f2fb5be59 | 733 | |
smultron1977 | 0:246f2fb5be59 | 734 | |
smultron1977 | 0:246f2fb5be59 | 735 | int ST7735_TFT::BMP_16(unsigned int x, unsigned int y, const char *Name_BMP) { |
smultron1977 | 0:246f2fb5be59 | 736 | // BEWARE ! |
smultron1977 | 0:246f2fb5be59 | 737 | // NOT TESTED |
smultron1977 | 0:246f2fb5be59 | 738 | #define OffsetPixelWidth 18 |
smultron1977 | 0:246f2fb5be59 | 739 | #define OffsetPixelHeigh 22 |
smultron1977 | 0:246f2fb5be59 | 740 | #define OffsetFileSize 34 |
smultron1977 | 0:246f2fb5be59 | 741 | #define OffsetPixData 10 |
smultron1977 | 0:246f2fb5be59 | 742 | #define OffsetBPP 28 |
smultron1977 | 0:246f2fb5be59 | 743 | |
smultron1977 | 0:246f2fb5be59 | 744 | char filename[50]; |
smultron1977 | 0:246f2fb5be59 | 745 | unsigned char BMP_Header[54]; |
smultron1977 | 0:246f2fb5be59 | 746 | unsigned short BPP_t; |
smultron1977 | 0:246f2fb5be59 | 747 | unsigned int PixelWidth,PixelHeigh,start_data; |
smultron1977 | 0:246f2fb5be59 | 748 | unsigned int i,off; |
smultron1977 | 0:246f2fb5be59 | 749 | int padd,j; |
smultron1977 | 0:246f2fb5be59 | 750 | unsigned short *line; |
smultron1977 | 0:246f2fb5be59 | 751 | |
smultron1977 | 0:246f2fb5be59 | 752 | // get the filename |
smultron1977 | 0:246f2fb5be59 | 753 | LocalFileSystem local("local"); |
smultron1977 | 0:246f2fb5be59 | 754 | sprintf(&filename[0],"/local/"); |
smultron1977 | 0:246f2fb5be59 | 755 | i=7; |
smultron1977 | 0:246f2fb5be59 | 756 | while (*Name_BMP!='\0') { |
smultron1977 | 0:246f2fb5be59 | 757 | filename[i++]=*Name_BMP++; |
smultron1977 | 0:246f2fb5be59 | 758 | } |
smultron1977 | 0:246f2fb5be59 | 759 | FILE *Image = fopen((const char *)&filename[0], "r"); // open the bmp file |
smultron1977 | 0:246f2fb5be59 | 760 | if (!Image) { |
smultron1977 | 0:246f2fb5be59 | 761 | return(0); // error file not found ! |
smultron1977 | 0:246f2fb5be59 | 762 | } |
smultron1977 | 0:246f2fb5be59 | 763 | |
smultron1977 | 0:246f2fb5be59 | 764 | fread(&BMP_Header[0],1,54,Image); // get the BMP Header |
smultron1977 | 0:246f2fb5be59 | 765 | |
smultron1977 | 0:246f2fb5be59 | 766 | if (BMP_Header[0] != 0x42 || BMP_Header[1] != 0x4D) { // check magic byte |
smultron1977 | 0:246f2fb5be59 | 767 | fclose(Image); |
smultron1977 | 0:246f2fb5be59 | 768 | return(-1); // error no BMP file |
smultron1977 | 0:246f2fb5be59 | 769 | } |
smultron1977 | 0:246f2fb5be59 | 770 | |
smultron1977 | 0:246f2fb5be59 | 771 | BPP_t = BMP_Header[OffsetBPP] + (BMP_Header[OffsetBPP + 1] << 8); |
smultron1977 | 0:246f2fb5be59 | 772 | if (BPP_t != 0x0010) { |
smultron1977 | 0:246f2fb5be59 | 773 | fclose(Image); |
smultron1977 | 0:246f2fb5be59 | 774 | return(-2); // error no 16 bit BMP |
smultron1977 | 0:246f2fb5be59 | 775 | } |
smultron1977 | 0:246f2fb5be59 | 776 | |
smultron1977 | 0:246f2fb5be59 | 777 | PixelHeigh = BMP_Header[OffsetPixelHeigh] + (BMP_Header[OffsetPixelHeigh + 1] << 8) + (BMP_Header[OffsetPixelHeigh + 2] << 16) + (BMP_Header[OffsetPixelHeigh + 3] << 24); |
smultron1977 | 0:246f2fb5be59 | 778 | PixelWidth = BMP_Header[OffsetPixelWidth] + (BMP_Header[OffsetPixelWidth + 1] << 8) + (BMP_Header[OffsetPixelWidth + 2] << 16) + (BMP_Header[OffsetPixelWidth + 3] << 24); |
smultron1977 | 0:246f2fb5be59 | 779 | if (PixelHeigh > height() + y || PixelWidth > width() + x) { |
smultron1977 | 0:246f2fb5be59 | 780 | fclose(Image); |
smultron1977 | 0:246f2fb5be59 | 781 | return(-3); // to big |
smultron1977 | 0:246f2fb5be59 | 782 | } |
smultron1977 | 0:246f2fb5be59 | 783 | |
smultron1977 | 0:246f2fb5be59 | 784 | start_data = BMP_Header[OffsetPixData] + (BMP_Header[OffsetPixData + 1] << 8) + (BMP_Header[OffsetPixData + 2] << 16) + (BMP_Header[OffsetPixData + 3] << 24); |
smultron1977 | 0:246f2fb5be59 | 785 | |
smultron1977 | 0:246f2fb5be59 | 786 | line = (unsigned short *) malloc (PixelWidth); // we need a buffer for a line |
smultron1977 | 0:246f2fb5be59 | 787 | if (line == NULL) { |
smultron1977 | 0:246f2fb5be59 | 788 | return(-4); // error no memory |
smultron1977 | 0:246f2fb5be59 | 789 | } |
smultron1977 | 0:246f2fb5be59 | 790 | |
smultron1977 | 0:246f2fb5be59 | 791 | // the lines are padded to multiple of 4 bytes |
smultron1977 | 0:246f2fb5be59 | 792 | padd = -1; |
smultron1977 | 0:246f2fb5be59 | 793 | do { |
smultron1977 | 0:246f2fb5be59 | 794 | padd ++; |
smultron1977 | 0:246f2fb5be59 | 795 | } while ((PixelWidth * 2 + padd)%4 != 0); |
smultron1977 | 0:246f2fb5be59 | 796 | |
smultron1977 | 0:246f2fb5be59 | 797 | window(x, y,PixelWidth,PixelHeigh); |
smultron1977 | 0:246f2fb5be59 | 798 | wr_cmd(0x2C); |
smultron1977 | 0:246f2fb5be59 | 799 | wr_dat_start(); |
smultron1977 | 0:246f2fb5be59 | 800 | _spi.format(16,3); |
smultron1977 | 0:246f2fb5be59 | 801 | for (j = PixelHeigh - 1; j >= 0; j--) { //Lines bottom up |
smultron1977 | 0:246f2fb5be59 | 802 | off = j * (PixelWidth * 2 + padd) + start_data; // start of line |
smultron1977 | 0:246f2fb5be59 | 803 | fseek(Image, off ,SEEK_SET); |
smultron1977 | 0:246f2fb5be59 | 804 | fread(line,1,PixelWidth * 2,Image); // read a line - slow ! |
smultron1977 | 0:246f2fb5be59 | 805 | for (i = 0; i < PixelWidth; i++) { // copy pixel data to TFT |
smultron1977 | 0:246f2fb5be59 | 806 | _spi.write(line[i]); // one 16 bit pixel |
smultron1977 | 0:246f2fb5be59 | 807 | } |
smultron1977 | 0:246f2fb5be59 | 808 | } |
smultron1977 | 0:246f2fb5be59 | 809 | _spi.format(8,3); |
smultron1977 | 0:246f2fb5be59 | 810 | wr_dat_stop(); |
smultron1977 | 0:246f2fb5be59 | 811 | free (line); |
smultron1977 | 0:246f2fb5be59 | 812 | fclose(Image); |
smultron1977 | 0:246f2fb5be59 | 813 | return(1); |
smultron1977 | 0:246f2fb5be59 | 814 | } |