Uses the same fonts as the SPI_TFT_ILI9341 Library (I have many, and a html/php font editor for that)
SPI_TFT_ILI9225.cpp@17:b120858d05ff, 2016-11-23 (annotated)
- Committer:
- JackB
- Date:
- Wed Nov 23 22:42:30 2016 +0000
- Revision:
- 17:b120858d05ff
- Parent:
- 16:4dd508313fce
Comment added
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
JackB | 0:cc1fb45bc3ad | 1 | /* |
JackB | 11:70409b34b74d | 2 | Ported from arduino to mbed platform by Arman Safikhani 31-08-2015 |
JackB | 0:cc1fb45bc3ad | 3 | Jack: Many thanks Arman! |
JackB | 0:cc1fb45bc3ad | 4 | |
JackB | 11:70409b34b74d | 5 | Changed a lot of things by Jack Berkhout 23-11-2016 |
JackB | 11:70409b34b74d | 6 | |
JackB | 11:70409b34b74d | 7 | Used for 2.2" Serial SPI TFT Color LCD Module for Arduino |
JackB | 11:70409b34b74d | 8 | 176*220 resolution / 11-pin / ILI9225 IC driver |
JackB | 11:70409b34b74d | 9 | https://www.fasttech.com/product/3842400-2-2-serial-spi-tft-color-lcd-module-for-arduino |
JackB | 11:70409b34b74d | 10 | |
JackB | 17:b120858d05ff | 11 | - Some code removed, some added, some changed |
JackB | 16:4dd508313fce | 12 | - Now uses the same fonts as the SPI_TFT_ILI9341 Library (I have many, and a html/php font editor for that) |
JackB | 17:b120858d05ff | 13 | - Text line interspacing can be set |
JackB | 16:4dd508313fce | 14 | - The led backlight is using a PWM output, so it can be adjusted in brightness (from 0.0f = off to 1.0f = full brightness) |
JackB | 16:4dd508313fce | 15 | - Added formatted printf |
JackB | 16:4dd508313fce | 16 | - Added claim as standard output on stream |
JackB | 2:e213811335ac | 17 | - Orientation definitions are now related to the SD card slot location (front view) |
JackB | 16:4dd508313fce | 18 | - Fast line functions hline and vline added, also used by outline reactangles, with drastical performance improvement (15 times) |
JackB | 16:4dd508313fce | 19 | - Performance boost for filled shapes using new vline and hline functions |
JackB | 16:4dd508313fce | 20 | - Get getStringWidth added |
JackB | 0:cc1fb45bc3ad | 21 | */ |
JackB | 0:cc1fb45bc3ad | 22 | |
JackB | 0:cc1fb45bc3ad | 23 | #include "SPI_TFT_ILI9225.h" |
JackB | 0:cc1fb45bc3ad | 24 | |
JackB | 0:cc1fb45bc3ad | 25 | // Constructor when using software SPI. All output pins are configurable. |
JackB | 0:cc1fb45bc3ad | 26 | TFT_22_ILI9225::TFT_22_ILI9225(PinName sdi, PinName clk, PinName cs, PinName rs, PinName rst, PinName led, const char *name) : |
JackB | 13:9e6589dc8864 | 27 | _spi(sdi, NC, clk), _cs(cs), _rs(rs), _rst(rst), _led(led), Stream(name) |
JackB | 0:cc1fb45bc3ad | 28 | { |
JackB | 13:9e6589dc8864 | 29 | _spi.frequency(24000000); |
JackB | 13:9e6589dc8864 | 30 | _spi.format(8, 0); |
JackB | 0:cc1fb45bc3ad | 31 | |
JackB | 0:cc1fb45bc3ad | 32 | // PWM output to control backlight |
JackB | 0:cc1fb45bc3ad | 33 | _led.period_ms(10); |
JackB | 0:cc1fb45bc3ad | 34 | |
JackB | 0:cc1fb45bc3ad | 35 | // --- claim --- |
JackB | 0:cc1fb45bc3ad | 36 | _row = 0; |
JackB | 0:cc1fb45bc3ad | 37 | _column = 0; |
JackB | 0:cc1fb45bc3ad | 38 | if (name == NULL) { |
JackB | 0:cc1fb45bc3ad | 39 | _path = NULL; |
JackB | 0:cc1fb45bc3ad | 40 | } else { |
JackB | 0:cc1fb45bc3ad | 41 | _path = new char[strlen(name) + 2]; |
JackB | 0:cc1fb45bc3ad | 42 | sprintf(_path, "/%s", name); |
JackB | 0:cc1fb45bc3ad | 43 | } |
JackB | 0:cc1fb45bc3ad | 44 | // --- /claim --- |
JackB | 0:cc1fb45bc3ad | 45 | |
JackB | 0:cc1fb45bc3ad | 46 | init(); |
JackB | 0:cc1fb45bc3ad | 47 | } |
JackB | 0:cc1fb45bc3ad | 48 | |
JackB | 0:cc1fb45bc3ad | 49 | void TFT_22_ILI9225::init() |
JackB | 0:cc1fb45bc3ad | 50 | { |
JackB | 0:cc1fb45bc3ad | 51 | // Turn off backlight |
JackB | 0:cc1fb45bc3ad | 52 | setBacklight(0.0f); |
JackB | 0:cc1fb45bc3ad | 53 | |
JackB | 0:cc1fb45bc3ad | 54 | // Initialization Code |
JackB | 0:cc1fb45bc3ad | 55 | _rst = 0;// Pull the reset pin low to reset ILI9225 |
JackB | 0:cc1fb45bc3ad | 56 | wait_ms(10); |
JackB | 0:cc1fb45bc3ad | 57 | _rst = 1;// Pull the reset pin high to release the ILI9225C from the reset status |
JackB | 0:cc1fb45bc3ad | 58 | wait_ms(50); |
JackB | 0:cc1fb45bc3ad | 59 | |
JackB | 0:cc1fb45bc3ad | 60 | /* Start Initial Sequence */ |
JackB | 0:cc1fb45bc3ad | 61 | /* Set SS bit and direction output from S528 to S1 */ |
JackB | 0:cc1fb45bc3ad | 62 | _writeRegister(ILI9225_POWER_CTRL1, 0x0000); // Set SAP,DSTB,STB |
JackB | 0:cc1fb45bc3ad | 63 | _writeRegister(ILI9225_POWER_CTRL2, 0x0000); // Set APON,PON,AON,VCI1EN,VC |
JackB | 0:cc1fb45bc3ad | 64 | _writeRegister(ILI9225_POWER_CTRL3, 0x0000); // Set BT,DC1,DC2,DC3 |
JackB | 0:cc1fb45bc3ad | 65 | _writeRegister(ILI9225_POWER_CTRL4, 0x0000); // Set GVDD |
JackB | 0:cc1fb45bc3ad | 66 | _writeRegister(ILI9225_POWER_CTRL5, 0x0000); // Set VCOMH/VCOML voltage |
JackB | 0:cc1fb45bc3ad | 67 | wait_ms(40); |
JackB | 0:cc1fb45bc3ad | 68 | |
JackB | 0:cc1fb45bc3ad | 69 | // Power-on sequence |
JackB | 0:cc1fb45bc3ad | 70 | _writeRegister(ILI9225_POWER_CTRL2, 0x0018); // Set APON,PON,AON,VCI1EN,VC |
JackB | 0:cc1fb45bc3ad | 71 | _writeRegister(ILI9225_POWER_CTRL3, 0x6121); // Set BT,DC1,DC2,DC3 |
JackB | 0:cc1fb45bc3ad | 72 | _writeRegister(ILI9225_POWER_CTRL4, 0x006F); // Set GVDD /*007F 0088 */ |
JackB | 0:cc1fb45bc3ad | 73 | _writeRegister(ILI9225_POWER_CTRL5, 0x495F); // Set VCOMH/VCOML voltage |
JackB | 0:cc1fb45bc3ad | 74 | _writeRegister(ILI9225_POWER_CTRL1, 0x0800); // Set SAP,DSTB,STB |
JackB | 0:cc1fb45bc3ad | 75 | wait_ms(10); |
JackB | 0:cc1fb45bc3ad | 76 | _writeRegister(ILI9225_POWER_CTRL2, 0x103B); // Set APON,PON,AON,VCI1EN,VC |
JackB | 0:cc1fb45bc3ad | 77 | wait_ms(50); |
JackB | 0:cc1fb45bc3ad | 78 | |
JackB | 0:cc1fb45bc3ad | 79 | _writeRegister(ILI9225_DRIVER_OUTPUT_CTRL, 0x011C); // set the display line number and display direction |
JackB | 0:cc1fb45bc3ad | 80 | _writeRegister(ILI9225_LCD_AC_DRIVING_CTRL, 0x0100); // set 1 line inversion |
JackB | 0:cc1fb45bc3ad | 81 | _writeRegister(ILI9225_ENTRY_MODE, 0x1030); // set GRAM write direction and BGR=1. |
JackB | 0:cc1fb45bc3ad | 82 | _writeRegister(ILI9225_DISP_CTRL1, 0x0000); // Display off |
JackB | 0:cc1fb45bc3ad | 83 | _writeRegister(ILI9225_BLANK_PERIOD_CTRL1, 0x0808); // set the back porch and front porch |
JackB | 0:cc1fb45bc3ad | 84 | _writeRegister(ILI9225_FRAME_CYCLE_CTRL, 0x1100); // set the clocks number per line |
JackB | 0:cc1fb45bc3ad | 85 | _writeRegister(ILI9225_INTERFACE_CTRL, 0x0000); // CPU interface |
JackB | 0:cc1fb45bc3ad | 86 | _writeRegister(ILI9225_OSC_CTRL, 0x0D01); // Set Osc /*0e01*/ |
JackB | 0:cc1fb45bc3ad | 87 | _writeRegister(ILI9225_VCI_RECYCLING, 0x0020); // Set VCI recycling |
JackB | 0:cc1fb45bc3ad | 88 | _writeRegister(ILI9225_RAM_ADDR_SET1, 0x0000); // RAM Address |
JackB | 0:cc1fb45bc3ad | 89 | _writeRegister(ILI9225_RAM_ADDR_SET2, 0x0000); // RAM Address |
JackB | 0:cc1fb45bc3ad | 90 | |
JackB | 0:cc1fb45bc3ad | 91 | /* Set GRAM area */ |
JackB | 0:cc1fb45bc3ad | 92 | _writeRegister(ILI9225_GATE_SCAN_CTRL, 0x0000); |
JackB | 0:cc1fb45bc3ad | 93 | _writeRegister(ILI9225_VERTICAL_SCROLL_CTRL1, 0x00DB); |
JackB | 0:cc1fb45bc3ad | 94 | _writeRegister(ILI9225_VERTICAL_SCROLL_CTRL2, 0x0000); |
JackB | 0:cc1fb45bc3ad | 95 | _writeRegister(ILI9225_VERTICAL_SCROLL_CTRL3, 0x0000); |
JackB | 0:cc1fb45bc3ad | 96 | _writeRegister(ILI9225_PARTIAL_DRIVING_POS1, 0x00DB); |
JackB | 0:cc1fb45bc3ad | 97 | _writeRegister(ILI9225_PARTIAL_DRIVING_POS2, 0x0000); |
JackB | 0:cc1fb45bc3ad | 98 | _writeRegister(ILI9225_HORIZONTAL_WINDOW_ADDR1, 0x00AF); |
JackB | 0:cc1fb45bc3ad | 99 | _writeRegister(ILI9225_HORIZONTAL_WINDOW_ADDR2, 0x0000); |
JackB | 0:cc1fb45bc3ad | 100 | _writeRegister(ILI9225_VERTICAL_WINDOW_ADDR1, 0x00DB); |
JackB | 0:cc1fb45bc3ad | 101 | _writeRegister(ILI9225_VERTICAL_WINDOW_ADDR2, 0x0000); |
JackB | 0:cc1fb45bc3ad | 102 | |
JackB | 0:cc1fb45bc3ad | 103 | /* Set GAMMA curve */ |
JackB | 0:cc1fb45bc3ad | 104 | _writeRegister(ILI9225_GAMMA_CTRL1, 0x0000); |
JackB | 0:cc1fb45bc3ad | 105 | _writeRegister(ILI9225_GAMMA_CTRL2, 0x0808); |
JackB | 0:cc1fb45bc3ad | 106 | _writeRegister(ILI9225_GAMMA_CTRL3, 0x080A); |
JackB | 0:cc1fb45bc3ad | 107 | _writeRegister(ILI9225_GAMMA_CTRL4, 0x000A); |
JackB | 0:cc1fb45bc3ad | 108 | _writeRegister(ILI9225_GAMMA_CTRL5, 0x0A08); |
JackB | 0:cc1fb45bc3ad | 109 | _writeRegister(ILI9225_GAMMA_CTRL6, 0x0808); |
JackB | 0:cc1fb45bc3ad | 110 | _writeRegister(ILI9225_GAMMA_CTRL7, 0x0000); |
JackB | 0:cc1fb45bc3ad | 111 | _writeRegister(ILI9225_GAMMA_CTRL8, 0x0A00); |
JackB | 0:cc1fb45bc3ad | 112 | _writeRegister(ILI9225_GAMMA_CTRL9, 0x0710); |
JackB | 0:cc1fb45bc3ad | 113 | _writeRegister(ILI9225_GAMMA_CTRL10, 0x0710); |
JackB | 0:cc1fb45bc3ad | 114 | |
JackB | 0:cc1fb45bc3ad | 115 | _writeRegister(ILI9225_DISP_CTRL1, 0x0012); |
JackB | 0:cc1fb45bc3ad | 116 | wait_ms(50); |
JackB | 0:cc1fb45bc3ad | 117 | _writeRegister(ILI9225_DISP_CTRL1, 0x1017); |
JackB | 0:cc1fb45bc3ad | 118 | |
JackB | 0:cc1fb45bc3ad | 119 | cls(); |
JackB | 0:cc1fb45bc3ad | 120 | linespacing(0); |
JackB | 0:cc1fb45bc3ad | 121 | setBacklight(1.0f); |
JackB | 5:dad648238df3 | 122 | setOrientation(ILI9225_LANDSCAPE_B); |
JackB | 0:cc1fb45bc3ad | 123 | foreground(COLOR_WHITE); |
JackB | 0:cc1fb45bc3ad | 124 | background(COLOR_BLACK); |
JackB | 0:cc1fb45bc3ad | 125 | } |
JackB | 0:cc1fb45bc3ad | 126 | |
JackB | 7:2616ae4dd315 | 127 | void TFT_22_ILI9225::cls() |
JackB | 7:2616ae4dd315 | 128 | { |
JackB | 0:cc1fb45bc3ad | 129 | setBacklightOff(); |
JackB | 0:cc1fb45bc3ad | 130 | _setWindowMax(); |
JackB | 0:cc1fb45bc3ad | 131 | _rs = 1; |
JackB | 0:cc1fb45bc3ad | 132 | _cs = 0; |
JackB | 0:cc1fb45bc3ad | 133 | for (uint16_t i = width() * height(); i > 0; i--) { |
JackB | 13:9e6589dc8864 | 134 | _spi.write(0x00); |
JackB | 13:9e6589dc8864 | 135 | _spi.write(0x00); |
JackB | 0:cc1fb45bc3ad | 136 | } |
JackB | 0:cc1fb45bc3ad | 137 | _cs = 1; |
JackB | 0:cc1fb45bc3ad | 138 | setBacklightOn(); |
JackB | 0:cc1fb45bc3ad | 139 | gotoxy(0, 0); |
JackB | 0:cc1fb45bc3ad | 140 | } |
JackB | 0:cc1fb45bc3ad | 141 | |
JackB | 0:cc1fb45bc3ad | 142 | void TFT_22_ILI9225::fill(uint16_t color) |
JackB | 0:cc1fb45bc3ad | 143 | { |
JackB | 5:dad648238df3 | 144 | fillrect(0, 0, maxX(), maxY(), color); |
JackB | 0:cc1fb45bc3ad | 145 | } |
JackB | 0:cc1fb45bc3ad | 146 | |
JackB | 7:2616ae4dd315 | 147 | void TFT_22_ILI9225::invert(bool flag) |
JackB | 7:2616ae4dd315 | 148 | { |
JackB | 0:cc1fb45bc3ad | 149 | _writeCommand(0x00, flag ? ILI9225C_INVON : ILI9225C_INVOFF); |
JackB | 0:cc1fb45bc3ad | 150 | } |
JackB | 0:cc1fb45bc3ad | 151 | |
JackB | 7:2616ae4dd315 | 152 | void TFT_22_ILI9225::setBacklight(double brightness) |
JackB | 7:2616ae4dd315 | 153 | { |
JackB | 0:cc1fb45bc3ad | 154 | // PWM output to control backlight |
JackB | 0:cc1fb45bc3ad | 155 | _brightness = brightness; |
JackB | 0:cc1fb45bc3ad | 156 | _led.write(pow(brightness, 2)); // power(x, 2): For the eye better brightness response |
JackB | 0:cc1fb45bc3ad | 157 | } |
JackB | 0:cc1fb45bc3ad | 158 | |
JackB | 7:2616ae4dd315 | 159 | void TFT_22_ILI9225::setBacklightOff(void) |
JackB | 7:2616ae4dd315 | 160 | { |
JackB | 0:cc1fb45bc3ad | 161 | _led.write(0.0f); |
JackB | 0:cc1fb45bc3ad | 162 | } |
JackB | 0:cc1fb45bc3ad | 163 | |
JackB | 7:2616ae4dd315 | 164 | void TFT_22_ILI9225::setBacklightOn(void) |
JackB | 7:2616ae4dd315 | 165 | { |
JackB | 0:cc1fb45bc3ad | 166 | setBacklight(_brightness); |
JackB | 0:cc1fb45bc3ad | 167 | } |
JackB | 0:cc1fb45bc3ad | 168 | |
JackB | 10:a640680b5309 | 169 | void TFT_22_ILI9225::setDisplay(bool flag) |
JackB | 10:a640680b5309 | 170 | { |
JackB | 0:cc1fb45bc3ad | 171 | if (flag) { |
JackB | 0:cc1fb45bc3ad | 172 | _writeRegister(0x00ff, 0x0000); |
JackB | 0:cc1fb45bc3ad | 173 | _writeRegister(ILI9225_POWER_CTRL1, 0x0000); |
JackB | 0:cc1fb45bc3ad | 174 | wait_ms(50); |
JackB | 0:cc1fb45bc3ad | 175 | _writeRegister(ILI9225_DISP_CTRL1, 0x1017); |
JackB | 0:cc1fb45bc3ad | 176 | wait_ms(200); |
JackB | 0:cc1fb45bc3ad | 177 | } |
JackB | 0:cc1fb45bc3ad | 178 | else { |
JackB | 0:cc1fb45bc3ad | 179 | _writeRegister(0x00ff, 0x0000); |
JackB | 0:cc1fb45bc3ad | 180 | _writeRegister(ILI9225_DISP_CTRL1, 0x0000); |
JackB | 0:cc1fb45bc3ad | 181 | wait_ms(50); |
JackB | 0:cc1fb45bc3ad | 182 | _writeRegister(ILI9225_POWER_CTRL1, 0x0003); |
JackB | 0:cc1fb45bc3ad | 183 | wait_ms(200); |
JackB | 0:cc1fb45bc3ad | 184 | } |
JackB | 0:cc1fb45bc3ad | 185 | } |
JackB | 0:cc1fb45bc3ad | 186 | |
JackB | 8:a569bc50b552 | 187 | void TFT_22_ILI9225::setOrientation(uint8_t orientation) |
JackB | 8:a569bc50b552 | 188 | { |
JackB | 0:cc1fb45bc3ad | 189 | _orientation = orientation % 4; |
JackB | 3:41e8d7dc279a | 190 | // Entry Mode (R03h) |
JackB | 3:41e8d7dc279a | 191 | // 0x1000 AM = 0: Horizontal, I/D[1:0] = 00: Horizontal: decrement, Vertical: decrement - ILI9225_PORTRAIT_R |
JackB | 3:41e8d7dc279a | 192 | // 0x1010 AM = 0: Horizontal, I/D[1:0] = 01: Horizontal: increment, Vertical: decrement |
JackB | 3:41e8d7dc279a | 193 | // 0x1020 AM = 0: Horizontal, I/D[1:0] = 10: Horizontal: decrement, Vertical: increment |
JackB | 3:41e8d7dc279a | 194 | // 0x1030 AM = 0: Horizontal, I/D[1:0] = 11: Horizontal: increment, Vertical: increment - ILI9225_PORTRAIT_L |
JackB | 3:41e8d7dc279a | 195 | // 0x1008 AM = 1: Vertical, I/D[1:0] = 00: Horizontal: decrement, Vertical: decrement |
JackB | 3:41e8d7dc279a | 196 | // 0x1018 AM = 1: Vertical, I/D[1:0] = 01: Horizontal: increment, Vertical: decrement - ILI9225_LANDSCAPE_T |
JackB | 3:41e8d7dc279a | 197 | // 0x1028 AM = 1: Vertical, I/D[1:0] = 10: Horizontal: decrement, Vertical: increment - ILI9225_LANDSCAPE_B |
JackB | 3:41e8d7dc279a | 198 | // 0x1038 AM = 1: Vertical, I/D[1:0] = 11: Horizontal: increment, Vertical: increment |
JackB | 9:680f6c9940b3 | 199 | |
JackB | 0:cc1fb45bc3ad | 200 | switch (_orientation) { |
JackB | 3:41e8d7dc279a | 201 | case ILI9225_PORTRAIT_L: |
JackB | 3:41e8d7dc279a | 202 | // 0x1030 AM = 0: Horizontal, I/D[1:0] = 11: Horizontal: increment, Vertical: increment |
JackB | 9:680f6c9940b3 | 203 | _entryMode = 0x1030; |
JackB | 3:41e8d7dc279a | 204 | _maxX = ILI9225_LCD_WIDTH; |
JackB | 3:41e8d7dc279a | 205 | _maxY = ILI9225_LCD_HEIGHT; |
JackB | 3:41e8d7dc279a | 206 | break; |
JackB | 3:41e8d7dc279a | 207 | case ILI9225_LANDSCAPE_B: |
JackB | 3:41e8d7dc279a | 208 | // 0x1028 AM = 1: Vertical, I/D[1:0] = 10: Horizontal: decrement, Vertical: increment |
JackB | 9:680f6c9940b3 | 209 | _entryMode = 0x1028; |
JackB | 3:41e8d7dc279a | 210 | _maxX = ILI9225_LCD_HEIGHT; |
JackB | 3:41e8d7dc279a | 211 | _maxY = ILI9225_LCD_WIDTH; |
JackB | 3:41e8d7dc279a | 212 | break; |
JackB | 3:41e8d7dc279a | 213 | case ILI9225_PORTRAIT_R: |
JackB | 3:41e8d7dc279a | 214 | // 0x1000 AM = 0: Horizontal, I/D[1:0] = 00: Horizontal: decrement, Vertical: decrement |
JackB | 9:680f6c9940b3 | 215 | _entryMode = 0x1000; |
JackB | 3:41e8d7dc279a | 216 | _maxX = ILI9225_LCD_WIDTH; |
JackB | 3:41e8d7dc279a | 217 | _maxY = ILI9225_LCD_HEIGHT; |
JackB | 3:41e8d7dc279a | 218 | break; |
JackB | 3:41e8d7dc279a | 219 | case ILI9225_LANDSCAPE_T: |
JackB | 3:41e8d7dc279a | 220 | // 0x1018 AM = 1: Vertical, I/D[1:0] = 01: Horizontal: increment, Vertical: decrement |
JackB | 9:680f6c9940b3 | 221 | _entryMode = 0x1018; |
JackB | 3:41e8d7dc279a | 222 | _maxX = ILI9225_LCD_HEIGHT; |
JackB | 3:41e8d7dc279a | 223 | _maxY = ILI9225_LCD_WIDTH; |
JackB | 3:41e8d7dc279a | 224 | break; |
JackB | 0:cc1fb45bc3ad | 225 | } |
JackB | 9:680f6c9940b3 | 226 | _writeRegister(ILI9225_ENTRY_MODE, _entryMode); // set GRAM write direction and BGR=1. |
JackB | 0:cc1fb45bc3ad | 227 | } |
JackB | 0:cc1fb45bc3ad | 228 | |
JackB | 10:a640680b5309 | 229 | uint8_t TFT_22_ILI9225::getOrientation() |
JackB | 10:a640680b5309 | 230 | { |
JackB | 0:cc1fb45bc3ad | 231 | return _orientation; |
JackB | 0:cc1fb45bc3ad | 232 | } |
JackB | 0:cc1fb45bc3ad | 233 | |
JackB | 13:9e6589dc8864 | 234 | |
JackB | 5:dad648238df3 | 235 | // Graphics functions |
JackB | 5:dad648238df3 | 236 | |
JackB | 10:a640680b5309 | 237 | void TFT_22_ILI9225::pixel(uint16_t x1, uint16_t y1, uint16_t color) |
JackB | 10:a640680b5309 | 238 | { |
JackB | 5:dad648238df3 | 239 | if ((x1 >= _maxX) || (y1 >= _maxY)) return; |
JackB | 0:cc1fb45bc3ad | 240 | |
JackB | 5:dad648238df3 | 241 | _setWindow(x1, y1, x1 + 1, y1 + 1); |
JackB | 5:dad648238df3 | 242 | _orientCoordinates(x1, y1); |
JackB | 5:dad648238df3 | 243 | _rs = 1; |
JackB | 5:dad648238df3 | 244 | _cs = 0; |
JackB | 13:9e6589dc8864 | 245 | _spi.write(color >> 8); |
JackB | 13:9e6589dc8864 | 246 | _spi.write(color & 0xff); |
JackB | 5:dad648238df3 | 247 | _cs = 1; |
JackB | 0:cc1fb45bc3ad | 248 | } |
JackB | 0:cc1fb45bc3ad | 249 | |
JackB | 10:a640680b5309 | 250 | void TFT_22_ILI9225::line(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t color) |
JackB | 10:a640680b5309 | 251 | { |
JackB | 0:cc1fb45bc3ad | 252 | // Classic Bresenham algorithm |
JackB | 0:cc1fb45bc3ad | 253 | int16_t steep = abs(y2 - y1) > abs(x2 - x1); |
JackB | 0:cc1fb45bc3ad | 254 | int16_t dx, dy; |
JackB | 0:cc1fb45bc3ad | 255 | |
JackB | 0:cc1fb45bc3ad | 256 | if (steep) { |
JackB | 0:cc1fb45bc3ad | 257 | _swap(x1, y1); |
JackB | 0:cc1fb45bc3ad | 258 | _swap(x2, y2); |
JackB | 0:cc1fb45bc3ad | 259 | } |
JackB | 0:cc1fb45bc3ad | 260 | |
JackB | 0:cc1fb45bc3ad | 261 | if (x1 > x2) { |
JackB | 0:cc1fb45bc3ad | 262 | _swap(x1, x2); |
JackB | 0:cc1fb45bc3ad | 263 | _swap(y1, y2); |
JackB | 0:cc1fb45bc3ad | 264 | } |
JackB | 0:cc1fb45bc3ad | 265 | |
JackB | 0:cc1fb45bc3ad | 266 | dx = x2 - x1; |
JackB | 0:cc1fb45bc3ad | 267 | dy = abs(y2 - y1); |
JackB | 0:cc1fb45bc3ad | 268 | |
JackB | 0:cc1fb45bc3ad | 269 | int16_t err = dx / 2; |
JackB | 0:cc1fb45bc3ad | 270 | int16_t ystep; |
JackB | 0:cc1fb45bc3ad | 271 | |
JackB | 0:cc1fb45bc3ad | 272 | if (y1 < y2) ystep = 1; |
JackB | 0:cc1fb45bc3ad | 273 | else ystep = -1; |
JackB | 0:cc1fb45bc3ad | 274 | |
JackB | 0:cc1fb45bc3ad | 275 | |
JackB | 0:cc1fb45bc3ad | 276 | for (; x1 <= x2; x1++) { |
JackB | 5:dad648238df3 | 277 | if (steep) pixel(y1, x1, color); |
JackB | 5:dad648238df3 | 278 | else pixel(x1, y1, color); |
JackB | 0:cc1fb45bc3ad | 279 | |
JackB | 0:cc1fb45bc3ad | 280 | err -= dy; |
JackB | 0:cc1fb45bc3ad | 281 | if (err < 0) { |
JackB | 0:cc1fb45bc3ad | 282 | y1 += ystep; |
JackB | 0:cc1fb45bc3ad | 283 | err += dx; |
JackB | 0:cc1fb45bc3ad | 284 | } |
JackB | 0:cc1fb45bc3ad | 285 | } |
JackB | 0:cc1fb45bc3ad | 286 | } |
JackB | 0:cc1fb45bc3ad | 287 | |
JackB | 9:680f6c9940b3 | 288 | void TFT_22_ILI9225::hline(uint16_t x1, uint16_t x2, uint16_t y, uint16_t color) |
JackB | 9:680f6c9940b3 | 289 | { |
JackB | 9:680f6c9940b3 | 290 | _writeRegister(ILI9225_ENTRY_MODE, 0x1028); // set GRAM write direction and BGR=1. |
JackB | 9:680f6c9940b3 | 291 | _setWindow(x1, y, x2 + 1, y + 1); |
JackB | 9:680f6c9940b3 | 292 | if (x2 < x1) { |
JackB | 9:680f6c9940b3 | 293 | _swap(x1, x2); |
JackB | 9:680f6c9940b3 | 294 | } |
JackB | 9:680f6c9940b3 | 295 | _rs = 1; |
JackB | 9:680f6c9940b3 | 296 | _cs = 0; |
JackB | 9:680f6c9940b3 | 297 | for (uint16_t x = x1; x <= x2; x++) { |
JackB | 13:9e6589dc8864 | 298 | _spi.write(color >> 8); |
JackB | 13:9e6589dc8864 | 299 | _spi.write(color & 0xff); |
JackB | 7:2616ae4dd315 | 300 | } |
JackB | 9:680f6c9940b3 | 301 | _cs = 1; |
JackB | 9:680f6c9940b3 | 302 | _writeRegister(ILI9225_ENTRY_MODE, _entryMode); // set GRAM write direction and BGR=1. |
JackB | 7:2616ae4dd315 | 303 | } |
JackB | 7:2616ae4dd315 | 304 | |
JackB | 9:680f6c9940b3 | 305 | void TFT_22_ILI9225::vline(uint16_t x, uint16_t y1, uint16_t y2, uint16_t color) |
JackB | 9:680f6c9940b3 | 306 | { |
JackB | 9:680f6c9940b3 | 307 | _writeRegister(ILI9225_ENTRY_MODE, 0x1010); // set GRAM write direction and BGR=1. |
JackB | 9:680f6c9940b3 | 308 | _setWindow(x, y1, x + 1, y2 + 1); |
JackB | 9:680f6c9940b3 | 309 | if (y2 < y1) { |
JackB | 9:680f6c9940b3 | 310 | _swap(y1, y2); |
JackB | 9:680f6c9940b3 | 311 | } |
JackB | 9:680f6c9940b3 | 312 | _rs = 1; |
JackB | 9:680f6c9940b3 | 313 | _cs = 0; |
JackB | 9:680f6c9940b3 | 314 | for (uint16_t y = y1; y <= y2; y++) { |
JackB | 13:9e6589dc8864 | 315 | _spi.write(color >> 8); |
JackB | 13:9e6589dc8864 | 316 | _spi.write(color & 0xff); |
JackB | 7:2616ae4dd315 | 317 | } |
JackB | 9:680f6c9940b3 | 318 | _cs = 1; |
JackB | 9:680f6c9940b3 | 319 | _writeRegister(ILI9225_ENTRY_MODE, _entryMode); // set GRAM write direction and BGR=1. |
JackB | 7:2616ae4dd315 | 320 | } |
JackB | 7:2616ae4dd315 | 321 | |
JackB | 5:dad648238df3 | 322 | void TFT_22_ILI9225::rect(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t color) { |
JackB | 7:2616ae4dd315 | 323 | |
JackB | 7:2616ae4dd315 | 324 | vline(x1, y1, y2, color); |
JackB | 7:2616ae4dd315 | 325 | hline(x1, x2, y1, color); |
JackB | 7:2616ae4dd315 | 326 | hline(x1, x2, y2, color); |
JackB | 7:2616ae4dd315 | 327 | vline(x2, y1, y2, color); |
JackB | 5:dad648238df3 | 328 | } |
JackB | 5:dad648238df3 | 329 | |
JackB | 10:a640680b5309 | 330 | void TFT_22_ILI9225::fillrect(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t color) |
JackB | 10:a640680b5309 | 331 | { |
JackB | 5:dad648238df3 | 332 | _setWindow(x1, y1, x2, y2); |
JackB | 5:dad648238df3 | 333 | _startData(); |
JackB | 5:dad648238df3 | 334 | for (uint16_t t = (y2 - y1 + 1) * (x2 - x1 + 1); t > 0; t--) { |
JackB | 5:dad648238df3 | 335 | _writeData(color); |
JackB | 5:dad648238df3 | 336 | } |
JackB | 5:dad648238df3 | 337 | _endData(); |
JackB | 5:dad648238df3 | 338 | } |
JackB | 5:dad648238df3 | 339 | |
JackB | 10:a640680b5309 | 340 | void TFT_22_ILI9225::circle(uint16_t x0, uint16_t y0, uint16_t r, uint16_t color) |
JackB | 10:a640680b5309 | 341 | { |
JackB | 5:dad648238df3 | 342 | int16_t f = 1 - r; |
JackB | 5:dad648238df3 | 343 | int16_t ddF_x = 1; |
JackB | 5:dad648238df3 | 344 | int16_t ddF_y = -2 * r; |
JackB | 5:dad648238df3 | 345 | int16_t x = 0; |
JackB | 5:dad648238df3 | 346 | int16_t y = r; |
JackB | 5:dad648238df3 | 347 | |
JackB | 5:dad648238df3 | 348 | pixel(x0, y0 + r, color); |
JackB | 5:dad648238df3 | 349 | pixel(x0, y0 - r, color); |
JackB | 5:dad648238df3 | 350 | pixel(x0 + r, y0, color); |
JackB | 5:dad648238df3 | 351 | pixel(x0 - r, y0, color); |
JackB | 0:cc1fb45bc3ad | 352 | |
JackB | 5:dad648238df3 | 353 | while (x < y) { |
JackB | 5:dad648238df3 | 354 | if (f >= 0) { |
JackB | 5:dad648238df3 | 355 | y--; |
JackB | 5:dad648238df3 | 356 | ddF_y += 2; |
JackB | 5:dad648238df3 | 357 | f += ddF_y; |
JackB | 5:dad648238df3 | 358 | } |
JackB | 5:dad648238df3 | 359 | x++; |
JackB | 5:dad648238df3 | 360 | ddF_x += 2; |
JackB | 5:dad648238df3 | 361 | f += ddF_x; |
JackB | 5:dad648238df3 | 362 | |
JackB | 5:dad648238df3 | 363 | pixel(x0 + x, y0 + y, color); |
JackB | 5:dad648238df3 | 364 | pixel(x0 - x, y0 + y, color); |
JackB | 5:dad648238df3 | 365 | pixel(x0 + x, y0 - y, color); |
JackB | 5:dad648238df3 | 366 | pixel(x0 - x, y0 - y, color); |
JackB | 5:dad648238df3 | 367 | pixel(x0 + y, y0 + x, color); |
JackB | 5:dad648238df3 | 368 | pixel(x0 - y, y0 + x, color); |
JackB | 5:dad648238df3 | 369 | pixel(x0 + y, y0 - x, color); |
JackB | 5:dad648238df3 | 370 | pixel(x0 - y, y0 - x, color); |
JackB | 5:dad648238df3 | 371 | } |
JackB | 5:dad648238df3 | 372 | } |
JackB | 5:dad648238df3 | 373 | |
JackB | 10:a640680b5309 | 374 | void TFT_22_ILI9225::fillcircle(uint8_t x0, uint8_t y0, uint8_t radius, uint16_t color) |
JackB | 10:a640680b5309 | 375 | { |
JackB | 5:dad648238df3 | 376 | int16_t f = 1 - radius; |
JackB | 5:dad648238df3 | 377 | int16_t ddF_x = 1; |
JackB | 5:dad648238df3 | 378 | int16_t ddF_y = -2 * radius; |
JackB | 5:dad648238df3 | 379 | int16_t x = 0; |
JackB | 5:dad648238df3 | 380 | int16_t y = radius; |
JackB | 5:dad648238df3 | 381 | |
JackB | 5:dad648238df3 | 382 | while (x < y) { |
JackB | 5:dad648238df3 | 383 | if (f >= 0) { |
JackB | 5:dad648238df3 | 384 | y--; |
JackB | 5:dad648238df3 | 385 | ddF_y += 2; |
JackB | 5:dad648238df3 | 386 | f += ddF_y; |
JackB | 5:dad648238df3 | 387 | } |
JackB | 5:dad648238df3 | 388 | x++; |
JackB | 5:dad648238df3 | 389 | ddF_x += 2; |
JackB | 5:dad648238df3 | 390 | f += ddF_x; |
JackB | 5:dad648238df3 | 391 | |
JackB | 15:4b8c052d386a | 392 | hline(x0 + x, x0 - x, y0 + y, color); // bottom |
JackB | 15:4b8c052d386a | 393 | hline(x0 + x, x0 - x, y0 - y, color); // top |
JackB | 15:4b8c052d386a | 394 | vline(x0 + y, y0 - x, y0 + x, color); // right |
JackB | 15:4b8c052d386a | 395 | vline(x0 - y, y0 - x, y0 + x, color); // left |
JackB | 5:dad648238df3 | 396 | } |
JackB | 5:dad648238df3 | 397 | fillrect(x0 - x, y0 - y, x0 + x, y0 + y, color); |
JackB | 5:dad648238df3 | 398 | } |
JackB | 0:cc1fb45bc3ad | 399 | |
JackB | 10:a640680b5309 | 400 | void TFT_22_ILI9225::triangle(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t x3, uint16_t y3, uint16_t color) |
JackB | 10:a640680b5309 | 401 | { |
JackB | 5:dad648238df3 | 402 | line(x1, y1, x2, y2, color); |
JackB | 5:dad648238df3 | 403 | line(x2, y2, x3, y3, color); |
JackB | 5:dad648238df3 | 404 | line(x3, y3, x1, y1, color); |
JackB | 5:dad648238df3 | 405 | } |
JackB | 5:dad648238df3 | 406 | |
JackB | 10:a640680b5309 | 407 | void TFT_22_ILI9225::filltriangle(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t x3, uint16_t y3, uint16_t color) |
JackB | 10:a640680b5309 | 408 | { |
JackB | 5:dad648238df3 | 409 | uint16_t a, b, y, last; |
JackB | 5:dad648238df3 | 410 | |
JackB | 5:dad648238df3 | 411 | // Sort coordinates by Y order (y3 >= y2 >= y1) |
JackB | 5:dad648238df3 | 412 | if (y1 > y2) { |
JackB | 5:dad648238df3 | 413 | _swap(y1, y2); _swap(x1, x2); |
JackB | 5:dad648238df3 | 414 | } |
JackB | 5:dad648238df3 | 415 | if (y2 > y3) { |
JackB | 5:dad648238df3 | 416 | _swap(y3, y2); _swap(x3, x2); |
JackB | 5:dad648238df3 | 417 | } |
JackB | 5:dad648238df3 | 418 | if (y1 > y2) { |
JackB | 5:dad648238df3 | 419 | _swap(y1, y2); _swap(x1, x2); |
JackB | 5:dad648238df3 | 420 | } |
JackB | 5:dad648238df3 | 421 | |
JackB | 5:dad648238df3 | 422 | if (y1 == y3) { // Handle awkward all-on-same-line case as its own thing |
JackB | 5:dad648238df3 | 423 | a = b = x1; |
JackB | 5:dad648238df3 | 424 | if (x2 < a) a = x2; |
JackB | 5:dad648238df3 | 425 | else if (x2 > b) b = x2; |
JackB | 5:dad648238df3 | 426 | if (x3 < a) a = x3; |
JackB | 5:dad648238df3 | 427 | else if (x3 > b) b = x3; |
JackB | 15:4b8c052d386a | 428 | hline(a, b, y1, color); |
JackB | 5:dad648238df3 | 429 | return; |
JackB | 5:dad648238df3 | 430 | } |
JackB | 5:dad648238df3 | 431 | |
JackB | 5:dad648238df3 | 432 | uint16_t dx11 = x2 - x1, |
JackB | 5:dad648238df3 | 433 | dy11 = y2 - y1, |
JackB | 5:dad648238df3 | 434 | dx12 = x3 - x1, |
JackB | 5:dad648238df3 | 435 | dy12 = y3 - y1, |
JackB | 5:dad648238df3 | 436 | dx22 = x3 - x2, |
JackB | 5:dad648238df3 | 437 | dy22 = y3 - y2, |
JackB | 5:dad648238df3 | 438 | sa = 0, |
JackB | 5:dad648238df3 | 439 | sb = 0; |
JackB | 5:dad648238df3 | 440 | |
JackB | 5:dad648238df3 | 441 | // For upper part of triangle, find scanline crossings for segments |
JackB | 5:dad648238df3 | 442 | // 0-1 and 0-2. If y2=y3 (flat-bottomed triangle), the scanline y2 |
JackB | 5:dad648238df3 | 443 | // is included here (and second loop will be skipped, avoiding a /0 |
JackB | 5:dad648238df3 | 444 | // error there), otherwise scanline y2 is skipped here and handled |
JackB | 5:dad648238df3 | 445 | // in the second loop...which also avoids a /0 error here if y1=y2 |
JackB | 5:dad648238df3 | 446 | // (flat-topped triangle). |
JackB | 5:dad648238df3 | 447 | if (y2 == y3) last = y2; // Include y2 scanline |
JackB | 5:dad648238df3 | 448 | else last = y2 - 1; // Skip it |
JackB | 5:dad648238df3 | 449 | |
JackB | 5:dad648238df3 | 450 | for (y = y1; y <= last; y++) { |
JackB | 5:dad648238df3 | 451 | a = x1 + sa / dy11; |
JackB | 5:dad648238df3 | 452 | b = x1 + sb / dy12; |
JackB | 5:dad648238df3 | 453 | sa += dx11; |
JackB | 5:dad648238df3 | 454 | sb += dx12; |
JackB | 5:dad648238df3 | 455 | /* longhand: |
JackB | 5:dad648238df3 | 456 | a = x1 + (x2 - x1) * (y - y1) / (y2 - y1); |
JackB | 5:dad648238df3 | 457 | b = x1 + (x3 - x1) * (y - y1) / (y3 - y1); |
JackB | 5:dad648238df3 | 458 | */ |
JackB | 5:dad648238df3 | 459 | if (a > b) _swap(a, b); |
JackB | 15:4b8c052d386a | 460 | hline(a, b, y, color); |
JackB | 5:dad648238df3 | 461 | } |
JackB | 5:dad648238df3 | 462 | |
JackB | 5:dad648238df3 | 463 | // For lower part of triangle, find scanline crossings for segments |
JackB | 5:dad648238df3 | 464 | // 0-2 and 1-2. This loop is skipped if y2=y3. |
JackB | 5:dad648238df3 | 465 | sa = dx22 * (y - y2); |
JackB | 5:dad648238df3 | 466 | sb = dx12 * (y - y1); |
JackB | 5:dad648238df3 | 467 | for (; y <= y3; y++) { |
JackB | 5:dad648238df3 | 468 | a = x2 + sa / dy22; |
JackB | 5:dad648238df3 | 469 | b = x1 + sb / dy12; |
JackB | 5:dad648238df3 | 470 | sa += dx22; |
JackB | 5:dad648238df3 | 471 | sb += dx12; |
JackB | 5:dad648238df3 | 472 | /* longhand: |
JackB | 5:dad648238df3 | 473 | a = x2 + (x3 - x2) * (y - y2) / (y3 - y2); |
JackB | 5:dad648238df3 | 474 | b = x1 + (x3 - x1) * (y - y1) / (y3 - y1); |
JackB | 5:dad648238df3 | 475 | */ |
JackB | 5:dad648238df3 | 476 | if (a > b) _swap(a, b); |
JackB | 15:4b8c052d386a | 477 | hline(a, b, y, color); |
JackB | 5:dad648238df3 | 478 | } |
JackB | 0:cc1fb45bc3ad | 479 | } |
JackB | 0:cc1fb45bc3ad | 480 | |
JackB | 8:a569bc50b552 | 481 | void TFT_22_ILI9225::roundrect(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t rad, bool fill, uint16_t color) |
JackB | 8:a569bc50b552 | 482 | { |
JackB | 8:a569bc50b552 | 483 | signed int a, b, P; |
JackB | 8:a569bc50b552 | 484 | |
JackB | 8:a569bc50b552 | 485 | a = 0; // increment by 1 |
JackB | 8:a569bc50b552 | 486 | b = rad; // decrement by 1 using P |
JackB | 8:a569bc50b552 | 487 | P = 1 - rad; |
JackB | 8:a569bc50b552 | 488 | |
JackB | 8:a569bc50b552 | 489 | if (fill) |
JackB | 8:a569bc50b552 | 490 | { |
JackB | 8:a569bc50b552 | 491 | fillrect(x1, y1 + rad, x2, y2 - rad, color); |
JackB | 8:a569bc50b552 | 492 | |
JackB | 8:a569bc50b552 | 493 | do |
JackB | 8:a569bc50b552 | 494 | { |
JackB | 8:a569bc50b552 | 495 | fillrect(x1 - a + rad, y1 - b + rad, a + x2 - rad, y1 - b + rad, color); // 8 --> 1 |
JackB | 8:a569bc50b552 | 496 | fillrect(x1 - b + rad, y1 - a + rad, b + x2 - rad, y1 - a + rad, color); // 7 --> 2 |
JackB | 8:a569bc50b552 | 497 | fillrect(x1 - b + rad, a + y2 - rad, b + x2 - rad, a + y2 - rad, color); // 6 --> 3 |
JackB | 8:a569bc50b552 | 498 | fillrect(x1 - a + rad, b + y2 - rad, a + x2 - rad, b + y2 - rad, color); // 5 --> 4 |
JackB | 8:a569bc50b552 | 499 | |
JackB | 8:a569bc50b552 | 500 | if (P < 0) |
JackB | 8:a569bc50b552 | 501 | P += 3 + 2 * a++; |
JackB | 8:a569bc50b552 | 502 | else |
JackB | 8:a569bc50b552 | 503 | P += 5 + 2 * (a++ - b--); |
JackB | 8:a569bc50b552 | 504 | |
JackB | 8:a569bc50b552 | 505 | } while (a <= b); |
JackB | 8:a569bc50b552 | 506 | } |
JackB | 8:a569bc50b552 | 507 | else |
JackB | 8:a569bc50b552 | 508 | { |
JackB | 8:a569bc50b552 | 509 | hline(x1 + rad, x2 - rad, y1, color); // top |
JackB | 8:a569bc50b552 | 510 | hline(x1 + rad, x2 - rad, y2, color); // bottom |
JackB | 8:a569bc50b552 | 511 | vline(x1, y1 + rad, y2 - rad, color); // left |
JackB | 8:a569bc50b552 | 512 | vline(x2, y1 + rad, y2 - rad, color); // right |
JackB | 8:a569bc50b552 | 513 | |
JackB | 8:a569bc50b552 | 514 | do |
JackB | 8:a569bc50b552 | 515 | { |
JackB | 8:a569bc50b552 | 516 | pixel(a + x2 - rad, y1 - b + rad, color); // `````` Segment 1 |
JackB | 8:a569bc50b552 | 517 | pixel(b + x2 - rad, y1 - a + rad, color); // `````` Segment 2 |
JackB | 8:a569bc50b552 | 518 | |
JackB | 8:a569bc50b552 | 519 | pixel(b + x2 - rad, a + y2 - rad, color); // `````` Segment 3 |
JackB | 8:a569bc50b552 | 520 | pixel(a + x2 - rad, b + y2 - rad, color); // `````` Segment 4 |
JackB | 8:a569bc50b552 | 521 | |
JackB | 8:a569bc50b552 | 522 | pixel(x1 - a + rad, b + y2 - rad, color); // `````` Segment 5 |
JackB | 8:a569bc50b552 | 523 | pixel(x1 - b + rad, a + y2 - rad, color); // `````` Segment 6 |
JackB | 8:a569bc50b552 | 524 | |
JackB | 8:a569bc50b552 | 525 | pixel(x1 - b + rad, y1 - a + rad, color); // `````` Segment 7 |
JackB | 8:a569bc50b552 | 526 | pixel(x1 - a + rad, y1 - b + rad, color); // `````` Segment 8 |
JackB | 8:a569bc50b552 | 527 | |
JackB | 8:a569bc50b552 | 528 | if (P < 0) |
JackB | 8:a569bc50b552 | 529 | P += 3 + 2 * a++; |
JackB | 8:a569bc50b552 | 530 | else |
JackB | 8:a569bc50b552 | 531 | P += 5 + 2 * (a++ - b--); |
JackB | 8:a569bc50b552 | 532 | } while (a <= b); |
JackB | 8:a569bc50b552 | 533 | } |
JackB | 8:a569bc50b552 | 534 | } |
JackB | 8:a569bc50b552 | 535 | |
JackB | 10:a640680b5309 | 536 | uint16_t TFT_22_ILI9225::maxX(void) |
JackB | 10:a640680b5309 | 537 | { |
JackB | 0:cc1fb45bc3ad | 538 | return _maxX - 1; |
JackB | 0:cc1fb45bc3ad | 539 | } |
JackB | 0:cc1fb45bc3ad | 540 | |
JackB | 10:a640680b5309 | 541 | uint16_t TFT_22_ILI9225::maxY(void) |
JackB | 10:a640680b5309 | 542 | { |
JackB | 0:cc1fb45bc3ad | 543 | return _maxY - 1; |
JackB | 0:cc1fb45bc3ad | 544 | } |
JackB | 0:cc1fb45bc3ad | 545 | |
JackB | 10:a640680b5309 | 546 | uint16_t TFT_22_ILI9225::width(void) |
JackB | 10:a640680b5309 | 547 | { |
JackB | 0:cc1fb45bc3ad | 548 | return _maxX; |
JackB | 0:cc1fb45bc3ad | 549 | } |
JackB | 0:cc1fb45bc3ad | 550 | |
JackB | 10:a640680b5309 | 551 | uint16_t TFT_22_ILI9225::height(void) |
JackB | 10:a640680b5309 | 552 | { |
JackB | 0:cc1fb45bc3ad | 553 | return _maxY; |
JackB | 0:cc1fb45bc3ad | 554 | } |
JackB | 0:cc1fb45bc3ad | 555 | |
JackB | 10:a640680b5309 | 556 | uint16_t TFT_22_ILI9225::setColor(uint8_t red8, uint8_t green8, uint8_t blue8) |
JackB | 10:a640680b5309 | 557 | { |
JackB | 0:cc1fb45bc3ad | 558 | // rgb16 = red5 green6 blue5 |
JackB | 0:cc1fb45bc3ad | 559 | return (red8 >> 3) << 11 | (green8 >> 2) << 5 | (blue8 >> 3); |
JackB | 0:cc1fb45bc3ad | 560 | } |
JackB | 0:cc1fb45bc3ad | 561 | |
JackB | 10:a640680b5309 | 562 | void TFT_22_ILI9225::splitColor(uint16_t rgb, uint8_t &red, uint8_t &green, uint8_t &blue) |
JackB | 10:a640680b5309 | 563 | { |
JackB | 0:cc1fb45bc3ad | 564 | // rgb16 = red5 green6 blue5 |
JackB | 0:cc1fb45bc3ad | 565 | |
JackB | 0:cc1fb45bc3ad | 566 | red = (rgb & 0xF800) >> 11 << 3; |
JackB | 0:cc1fb45bc3ad | 567 | green = (rgb & 0x7E0) >> 5 << 2; |
JackB | 0:cc1fb45bc3ad | 568 | blue = (rgb & 0x1F) << 3; |
JackB | 0:cc1fb45bc3ad | 569 | } |
JackB | 0:cc1fb45bc3ad | 570 | |
JackB | 0:cc1fb45bc3ad | 571 | |
JackB | 13:9e6589dc8864 | 572 | // Text functions |
JackB | 0:cc1fb45bc3ad | 573 | |
JackB | 10:a640680b5309 | 574 | void TFT_22_ILI9225::setFont(unsigned char* f) |
JackB | 10:a640680b5309 | 575 | { |
JackB | 0:cc1fb45bc3ad | 576 | font = f; |
JackB | 0:cc1fb45bc3ad | 577 | } |
JackB | 0:cc1fb45bc3ad | 578 | |
JackB | 13:9e6589dc8864 | 579 | uint8_t TFT_22_ILI9225::fontX(void) |
JackB | 13:9e6589dc8864 | 580 | { |
JackB | 13:9e6589dc8864 | 581 | return font[FONT_HORZ]; |
JackB | 13:9e6589dc8864 | 582 | } |
JackB | 13:9e6589dc8864 | 583 | |
JackB | 13:9e6589dc8864 | 584 | uint8_t TFT_22_ILI9225::fontY(void) |
JackB | 13:9e6589dc8864 | 585 | { |
JackB | 13:9e6589dc8864 | 586 | return font[FONT_VERT]; |
JackB | 13:9e6589dc8864 | 587 | } |
JackB | 13:9e6589dc8864 | 588 | |
JackB | 0:cc1fb45bc3ad | 589 | int TFT_22_ILI9225::putc(int value) |
JackB | 0:cc1fb45bc3ad | 590 | { |
JackB | 0:cc1fb45bc3ad | 591 | if (value == '\n') { // new line |
JackB | 0:cc1fb45bc3ad | 592 | char_x = 0; |
JackB | 0:cc1fb45bc3ad | 593 | char_y = char_y + (font[FONT_VERT] + char_line_spacing); |
JackB | 0:cc1fb45bc3ad | 594 | if (char_y >= height() - (font[FONT_VERT] + char_line_spacing)) { |
JackB | 0:cc1fb45bc3ad | 595 | char_y = 0; |
JackB | 0:cc1fb45bc3ad | 596 | } |
JackB | 0:cc1fb45bc3ad | 597 | return value; |
JackB | 0:cc1fb45bc3ad | 598 | } |
JackB | 0:cc1fb45bc3ad | 599 | if ((value < 32) || (value > 127)) { |
JackB | 0:cc1fb45bc3ad | 600 | return value; |
JackB | 0:cc1fb45bc3ad | 601 | } |
JackB | 0:cc1fb45bc3ad | 602 | character(char_x, char_y, value); |
JackB | 0:cc1fb45bc3ad | 603 | return value; |
JackB | 0:cc1fb45bc3ad | 604 | } |
JackB | 0:cc1fb45bc3ad | 605 | |
JackB | 0:cc1fb45bc3ad | 606 | void TFT_22_ILI9225::character(int x, int y, int c) |
JackB | 0:cc1fb45bc3ad | 607 | { |
JackB | 3:41e8d7dc279a | 608 | unsigned int hor, vert, offset, bpl, i, j, b; |
JackB | 14:a7640e7e9f80 | 609 | unsigned char* char_ptr; |
JackB | 0:cc1fb45bc3ad | 610 | unsigned char z,w; |
JackB | 0:cc1fb45bc3ad | 611 | |
JackB | 0:cc1fb45bc3ad | 612 | if ((c < 31) || (c > 127)) return; // test char range |
JackB | 0:cc1fb45bc3ad | 613 | |
JackB | 0:cc1fb45bc3ad | 614 | // read font parameter from start of array |
JackB | 0:cc1fb45bc3ad | 615 | offset = font[FONT_LENGTH]; // bytes / char |
JackB | 0:cc1fb45bc3ad | 616 | hor = font[FONT_HORZ]; // get hor size of font |
JackB | 0:cc1fb45bc3ad | 617 | vert = font[FONT_VERT]; // get vert size of font |
JackB | 0:cc1fb45bc3ad | 618 | bpl = font[FONT_BYTES_VERT]; // bytes per line |
JackB | 0:cc1fb45bc3ad | 619 | |
JackB | 0:cc1fb45bc3ad | 620 | if (char_x + hor > width()) { |
JackB | 0:cc1fb45bc3ad | 621 | char_x = 0; |
JackB | 0:cc1fb45bc3ad | 622 | char_y = char_y + vert + char_line_spacing; |
JackB | 0:cc1fb45bc3ad | 623 | if (char_y >= height() - (vert + char_line_spacing)) { |
JackB | 0:cc1fb45bc3ad | 624 | char_y = 0; |
JackB | 0:cc1fb45bc3ad | 625 | } |
JackB | 0:cc1fb45bc3ad | 626 | } |
JackB | 0:cc1fb45bc3ad | 627 | _setWindow(char_x, char_y, (char_x+hor)-1, (char_y+vert)-1); |
JackB | 0:cc1fb45bc3ad | 628 | |
JackB | 14:a7640e7e9f80 | 629 | char_ptr = &font[((c -32) * offset) + 4]; // start of char bitmap |
JackB | 14:a7640e7e9f80 | 630 | w = char_ptr[0]; // width of actual char |
JackB | 0:cc1fb45bc3ad | 631 | _startData(); |
JackB | 0:cc1fb45bc3ad | 632 | |
JackB | 4:44a66bd8c16c | 633 | // Portrait |
JackB | 4:44a66bd8c16c | 634 | for (j = 0; j < vert; j++) { // vert line |
JackB | 4:44a66bd8c16c | 635 | for (i = 0; i < hor; i++) { // horz line |
JackB | 14:a7640e7e9f80 | 636 | z = char_ptr[bpl * i + ((j & 0xF8) >> 3)+1]; |
JackB | 4:44a66bd8c16c | 637 | b = 1 << (j & 0x07); |
JackB | 4:44a66bd8c16c | 638 | if (( z & b ) == 0x00) { |
JackB | 13:9e6589dc8864 | 639 | _spi.write(_background >> 8); |
JackB | 13:9e6589dc8864 | 640 | _spi.write(_background & 0xff); |
JackB | 4:44a66bd8c16c | 641 | } else { |
JackB | 13:9e6589dc8864 | 642 | _spi.write(_foreground >> 8); |
JackB | 13:9e6589dc8864 | 643 | _spi.write(_foreground & 0xff); |
JackB | 0:cc1fb45bc3ad | 644 | } |
JackB | 4:44a66bd8c16c | 645 | } |
JackB | 4:44a66bd8c16c | 646 | } |
JackB | 0:cc1fb45bc3ad | 647 | |
JackB | 0:cc1fb45bc3ad | 648 | _endData(); |
JackB | 0:cc1fb45bc3ad | 649 | _setWindowMax(); |
JackB | 0:cc1fb45bc3ad | 650 | if ((w + 2) < hor) { // x offset to next char |
JackB | 0:cc1fb45bc3ad | 651 | char_x += w + 2; |
JackB | 14:a7640e7e9f80 | 652 | } else { |
JackB | 14:a7640e7e9f80 | 653 | char_x += hor; |
JackB | 14:a7640e7e9f80 | 654 | } |
JackB | 0:cc1fb45bc3ad | 655 | } |
JackB | 14:a7640e7e9f80 | 656 | |
JackB | 14:a7640e7e9f80 | 657 | uint16_t TFT_22_ILI9225::getStringWidth(char * s) |
JackB | 14:a7640e7e9f80 | 658 | { |
JackB | 14:a7640e7e9f80 | 659 | unsigned char* char_ptr; |
JackB | 14:a7640e7e9f80 | 660 | uint16_t width = 0; |
JackB | 14:a7640e7e9f80 | 661 | uint16_t offset = font[FONT_LENGTH]; // bytes / char |
JackB | 14:a7640e7e9f80 | 662 | uint16_t hor = font[FONT_HORZ]; // get hor size of font |
JackB | 14:a7640e7e9f80 | 663 | |
JackB | 14:a7640e7e9f80 | 664 | uint16_t len = strlen(s); |
JackB | 14:a7640e7e9f80 | 665 | for (uint8_t i = 0; i < len; i++) { |
JackB | 14:a7640e7e9f80 | 666 | if ((s[i] < 31) || (s[i] > 127)) { |
JackB | 14:a7640e7e9f80 | 667 | continue; // test char range |
JackB | 14:a7640e7e9f80 | 668 | } |
JackB | 14:a7640e7e9f80 | 669 | char_ptr = &font[((s[i] -32) * offset) + 4]; // start of char bitmap |
JackB | 14:a7640e7e9f80 | 670 | unsigned char w = char_ptr[0]; |
JackB | 14:a7640e7e9f80 | 671 | if ((w + 2) < hor) { // x offset to next char |
JackB | 14:a7640e7e9f80 | 672 | width += w + 2; |
JackB | 14:a7640e7e9f80 | 673 | } else { |
JackB | 14:a7640e7e9f80 | 674 | width += hor; |
JackB | 14:a7640e7e9f80 | 675 | } |
JackB | 14:a7640e7e9f80 | 676 | } |
JackB | 16:4dd508313fce | 677 | return width - 1; |
JackB | 14:a7640e7e9f80 | 678 | } |
JackB | 14:a7640e7e9f80 | 679 | |
JackB | 10:a640680b5309 | 680 | void TFT_22_ILI9225::foreground(uint16_t color) |
JackB | 10:a640680b5309 | 681 | { |
JackB | 10:a640680b5309 | 682 | _foreground = color; |
JackB | 0:cc1fb45bc3ad | 683 | } |
JackB | 0:cc1fb45bc3ad | 684 | |
JackB | 10:a640680b5309 | 685 | void TFT_22_ILI9225::background(uint16_t color) |
JackB | 10:a640680b5309 | 686 | { |
JackB | 10:a640680b5309 | 687 | _background = color; |
JackB | 0:cc1fb45bc3ad | 688 | } |
JackB | 0:cc1fb45bc3ad | 689 | |
JackB | 0:cc1fb45bc3ad | 690 | void TFT_22_ILI9225::locate(int x, int y) |
JackB | 0:cc1fb45bc3ad | 691 | { |
JackB | 0:cc1fb45bc3ad | 692 | char_x = x; |
JackB | 0:cc1fb45bc3ad | 693 | char_y = y; |
JackB | 0:cc1fb45bc3ad | 694 | } |
JackB | 0:cc1fb45bc3ad | 695 | |
JackB | 0:cc1fb45bc3ad | 696 | void TFT_22_ILI9225::gotoxy(int x, int y) |
JackB | 0:cc1fb45bc3ad | 697 | { |
JackB | 0:cc1fb45bc3ad | 698 | char_x = x * font[FONT_HORZ]; |
JackB | 0:cc1fb45bc3ad | 699 | char_y = y * (font[FONT_VERT] + char_line_spacing); |
JackB | 0:cc1fb45bc3ad | 700 | } |
JackB | 0:cc1fb45bc3ad | 701 | |
JackB | 0:cc1fb45bc3ad | 702 | void TFT_22_ILI9225::home(void) |
JackB | 0:cc1fb45bc3ad | 703 | { |
JackB | 0:cc1fb45bc3ad | 704 | gotoxy(0, 0); |
JackB | 0:cc1fb45bc3ad | 705 | } |
JackB | 0:cc1fb45bc3ad | 706 | |
JackB | 0:cc1fb45bc3ad | 707 | void TFT_22_ILI9225::linespacing(int line_spacing) |
JackB | 0:cc1fb45bc3ad | 708 | { |
JackB | 0:cc1fb45bc3ad | 709 | char_line_spacing = line_spacing; |
JackB | 0:cc1fb45bc3ad | 710 | } |
JackB | 0:cc1fb45bc3ad | 711 | |
JackB | 0:cc1fb45bc3ad | 712 | int TFT_22_ILI9225::columns() |
JackB | 0:cc1fb45bc3ad | 713 | { |
JackB | 0:cc1fb45bc3ad | 714 | return width() / font[FONT_HORZ]; |
JackB | 0:cc1fb45bc3ad | 715 | } |
JackB | 0:cc1fb45bc3ad | 716 | |
JackB | 0:cc1fb45bc3ad | 717 | int TFT_22_ILI9225::rows() |
JackB | 0:cc1fb45bc3ad | 718 | { |
JackB | 0:cc1fb45bc3ad | 719 | return height() / font[FONT_VERT]; |
JackB | 0:cc1fb45bc3ad | 720 | } |
JackB | 0:cc1fb45bc3ad | 721 | |
JackB | 0:cc1fb45bc3ad | 722 | void TFT_22_ILI9225::unicode2ascii(char *uni_str, char *ascii_str) |
JackB | 0:cc1fb45bc3ad | 723 | { |
JackB | 0:cc1fb45bc3ad | 724 | int counter = 0; |
JackB | 0:cc1fb45bc3ad | 725 | int Uch = 0; |
JackB | 0:cc1fb45bc3ad | 726 | char chl, chh; |
JackB | 0:cc1fb45bc3ad | 727 | |
JackB | 0:cc1fb45bc3ad | 728 | |
JackB | 0:cc1fb45bc3ad | 729 | while (*uni_str) |
JackB | 0:cc1fb45bc3ad | 730 | { |
JackB | 0:cc1fb45bc3ad | 731 | chl = *uni_str++; |
JackB | 0:cc1fb45bc3ad | 732 | chh = *uni_str++; |
JackB | 0:cc1fb45bc3ad | 733 | |
JackB | 0:cc1fb45bc3ad | 734 | Uch = 0; |
JackB | 0:cc1fb45bc3ad | 735 | Uch = ((Uch | chh) << 8) | chl; |
JackB | 0:cc1fb45bc3ad | 736 | |
JackB | 0:cc1fb45bc3ad | 737 | if (Uch > 1574 && Uch < 1591) |
JackB | 0:cc1fb45bc3ad | 738 | *(ascii_str + counter) = (char)(Uch - 1376); |
JackB | 0:cc1fb45bc3ad | 739 | else if (Uch > 1590 && Uch < 1595) |
JackB | 0:cc1fb45bc3ad | 740 | *(ascii_str + counter) = (char)(Uch - 1375); |
JackB | 0:cc1fb45bc3ad | 741 | else if (Uch > 1600 && Uch < 1603) |
JackB | 0:cc1fb45bc3ad | 742 | *(ascii_str + counter) = (char)(Uch - 1380); |
JackB | 0:cc1fb45bc3ad | 743 | else if (Uch == 1705) |
JackB | 0:cc1fb45bc3ad | 744 | *(ascii_str + counter) = (char)(Uch - 1482); |
JackB | 0:cc1fb45bc3ad | 745 | else if (Uch == 1604) |
JackB | 0:cc1fb45bc3ad | 746 | *(ascii_str + counter) = (char)(Uch - 1379); |
JackB | 0:cc1fb45bc3ad | 747 | else if (Uch > 1604 && Uch < 1609) |
JackB | 0:cc1fb45bc3ad | 748 | *(ascii_str + counter) = (char)(Uch - 1378); |
JackB | 0:cc1fb45bc3ad | 749 | else if (Uch == 1740) |
JackB | 0:cc1fb45bc3ad | 750 | *(ascii_str + counter) = (char)(Uch - 1503); |
JackB | 0:cc1fb45bc3ad | 751 | else if (Uch == 1574) |
JackB | 0:cc1fb45bc3ad | 752 | *(ascii_str + counter) = (char)(Uch - 1381); |
JackB | 0:cc1fb45bc3ad | 753 | else if (Uch == 1662) |
JackB | 0:cc1fb45bc3ad | 754 | *(ascii_str + counter) = (char)(Uch - 1533); |
JackB | 0:cc1fb45bc3ad | 755 | else if (Uch == 1670) |
JackB | 0:cc1fb45bc3ad | 756 | *(ascii_str + counter) = (char)(Uch - 1529); |
JackB | 0:cc1fb45bc3ad | 757 | else if (Uch == 1688) |
JackB | 0:cc1fb45bc3ad | 758 | *(ascii_str + counter) = (char)(Uch - 1546); |
JackB | 0:cc1fb45bc3ad | 759 | else if (Uch == 1711) |
JackB | 0:cc1fb45bc3ad | 760 | *(ascii_str + counter) = (char)(Uch - 1567); |
JackB | 0:cc1fb45bc3ad | 761 | else if (Uch == 1570) |
JackB | 0:cc1fb45bc3ad | 762 | *(ascii_str + counter) = (char)(Uch - 1376); |
JackB | 0:cc1fb45bc3ad | 763 | else if (Uch > 1631 && Uch < 1642) |
JackB | 0:cc1fb45bc3ad | 764 | *(ascii_str + counter) = (char)(Uch - 1584); |
JackB | 0:cc1fb45bc3ad | 765 | else if (Uch == 65536) |
JackB | 0:cc1fb45bc3ad | 766 | *(ascii_str + counter) = NULL; |
JackB | 0:cc1fb45bc3ad | 767 | else |
JackB | 0:cc1fb45bc3ad | 768 | *(ascii_str + counter) = (char)Uch; |
JackB | 0:cc1fb45bc3ad | 769 | |
JackB | 0:cc1fb45bc3ad | 770 | |
JackB | 0:cc1fb45bc3ad | 771 | counter++; |
JackB | 0:cc1fb45bc3ad | 772 | |
JackB | 0:cc1fb45bc3ad | 773 | } |
JackB | 0:cc1fb45bc3ad | 774 | *(ascii_str + counter) = NULL; |
JackB | 0:cc1fb45bc3ad | 775 | } |
JackB | 0:cc1fb45bc3ad | 776 | |
JackB | 13:9e6589dc8864 | 777 | bool TFT_22_ILI9225::claim (FILE *stream) |
JackB | 13:9e6589dc8864 | 778 | { |
JackB | 13:9e6589dc8864 | 779 | if ( _path == NULL) { |
JackB | 13:9e6589dc8864 | 780 | fprintf(stderr, "claim requires a name to be given in the instantioator of the TextDisplay instance!\r\n"); |
JackB | 13:9e6589dc8864 | 781 | return false; |
JackB | 13:9e6589dc8864 | 782 | } |
JackB | 13:9e6589dc8864 | 783 | if (freopen(_path, "w", stream) == NULL) { |
JackB | 13:9e6589dc8864 | 784 | // Failed, should not happen |
JackB | 13:9e6589dc8864 | 785 | return false; |
JackB | 13:9e6589dc8864 | 786 | } |
JackB | 13:9e6589dc8864 | 787 | // make sure we use line buffering |
JackB | 13:9e6589dc8864 | 788 | setvbuf(stdout, NULL, _IOLBF, ILI9225_CHARS_PER_LINE); |
JackB | 13:9e6589dc8864 | 789 | return true; |
JackB | 13:9e6589dc8864 | 790 | } |
JackB | 13:9e6589dc8864 | 791 | |
JackB | 13:9e6589dc8864 | 792 | // Private functions |
JackB | 13:9e6589dc8864 | 793 | |
JackB | 13:9e6589dc8864 | 794 | void TFT_22_ILI9225::_swap(uint16_t &a, uint16_t &b) |
JackB | 13:9e6589dc8864 | 795 | { |
JackB | 13:9e6589dc8864 | 796 | uint16_t w = a; |
JackB | 13:9e6589dc8864 | 797 | a = b; |
JackB | 13:9e6589dc8864 | 798 | b = w; |
JackB | 13:9e6589dc8864 | 799 | } |
JackB | 13:9e6589dc8864 | 800 | |
JackB | 13:9e6589dc8864 | 801 | void TFT_22_ILI9225::_setWindow(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1) |
JackB | 13:9e6589dc8864 | 802 | { |
JackB | 13:9e6589dc8864 | 803 | _orientCoordinates(x0, y0); |
JackB | 13:9e6589dc8864 | 804 | _orientCoordinates(x1, y1); |
JackB | 13:9e6589dc8864 | 805 | |
JackB | 13:9e6589dc8864 | 806 | if (x1 < x0) _swap(x0, x1); |
JackB | 13:9e6589dc8864 | 807 | if (y1 < y0) _swap(y0, y1); |
JackB | 13:9e6589dc8864 | 808 | |
JackB | 13:9e6589dc8864 | 809 | _writeRegister(ILI9225_HORIZONTAL_WINDOW_ADDR1, x1); |
JackB | 13:9e6589dc8864 | 810 | _writeRegister(ILI9225_HORIZONTAL_WINDOW_ADDR2, x0); |
JackB | 13:9e6589dc8864 | 811 | |
JackB | 13:9e6589dc8864 | 812 | _writeRegister(ILI9225_VERTICAL_WINDOW_ADDR1, y1); |
JackB | 13:9e6589dc8864 | 813 | _writeRegister(ILI9225_VERTICAL_WINDOW_ADDR2, y0); |
JackB | 13:9e6589dc8864 | 814 | |
JackB | 13:9e6589dc8864 | 815 | _writeRegister(ILI9225_RAM_ADDR_SET1, x0); |
JackB | 13:9e6589dc8864 | 816 | _writeRegister(ILI9225_RAM_ADDR_SET2, y0); |
JackB | 13:9e6589dc8864 | 817 | |
JackB | 13:9e6589dc8864 | 818 | _writeCommand(0x00, 0x22); |
JackB | 13:9e6589dc8864 | 819 | } |
JackB | 13:9e6589dc8864 | 820 | |
JackB | 13:9e6589dc8864 | 821 | void TFT_22_ILI9225::_setWindowMax(void) |
JackB | 13:9e6589dc8864 | 822 | { |
JackB | 13:9e6589dc8864 | 823 | _setWindow(0, 0, maxX(), maxY()); |
JackB | 13:9e6589dc8864 | 824 | } |
JackB | 13:9e6589dc8864 | 825 | |
JackB | 13:9e6589dc8864 | 826 | void TFT_22_ILI9225::_orientCoordinates(uint16_t &x, uint16_t &y) |
JackB | 13:9e6589dc8864 | 827 | { |
JackB | 13:9e6589dc8864 | 828 | switch (_orientation) { |
JackB | 13:9e6589dc8864 | 829 | case 0: // ok |
JackB | 13:9e6589dc8864 | 830 | break; |
JackB | 13:9e6589dc8864 | 831 | case 1: // ok |
JackB | 13:9e6589dc8864 | 832 | y = _maxY - y - 1; |
JackB | 13:9e6589dc8864 | 833 | _swap(x, y); |
JackB | 13:9e6589dc8864 | 834 | break; |
JackB | 13:9e6589dc8864 | 835 | case 2: // ok |
JackB | 13:9e6589dc8864 | 836 | x = _maxX - x - 1; |
JackB | 13:9e6589dc8864 | 837 | y = _maxY - y - 1; |
JackB | 13:9e6589dc8864 | 838 | break; |
JackB | 13:9e6589dc8864 | 839 | case 3: // ok |
JackB | 13:9e6589dc8864 | 840 | x = _maxX - x - 1; |
JackB | 13:9e6589dc8864 | 841 | _swap(x, y); |
JackB | 13:9e6589dc8864 | 842 | break; |
JackB | 13:9e6589dc8864 | 843 | } |
JackB | 13:9e6589dc8864 | 844 | } |
JackB | 13:9e6589dc8864 | 845 | |
JackB | 13:9e6589dc8864 | 846 | void TFT_22_ILI9225::_writeRegister(uint16_t reg, uint16_t data) |
JackB | 13:9e6589dc8864 | 847 | { |
JackB | 13:9e6589dc8864 | 848 | _writeCommand(reg >> 8, reg & 0xff); |
JackB | 13:9e6589dc8864 | 849 | _startData(); |
JackB | 13:9e6589dc8864 | 850 | _writeData(data); |
JackB | 13:9e6589dc8864 | 851 | _endData(); |
JackB | 13:9e6589dc8864 | 852 | } |
JackB | 13:9e6589dc8864 | 853 | |
JackB | 13:9e6589dc8864 | 854 | void TFT_22_ILI9225::_writeCommand(uint8_t HI, uint8_t LO) |
JackB | 13:9e6589dc8864 | 855 | { |
JackB | 13:9e6589dc8864 | 856 | _rs = 0; |
JackB | 13:9e6589dc8864 | 857 | _cs = 0; |
JackB | 13:9e6589dc8864 | 858 | _spi.write(HI); |
JackB | 13:9e6589dc8864 | 859 | _spi.write(LO); |
JackB | 13:9e6589dc8864 | 860 | _cs = 1; |
JackB | 13:9e6589dc8864 | 861 | } |
JackB | 13:9e6589dc8864 | 862 | |
JackB | 13:9e6589dc8864 | 863 | void TFT_22_ILI9225::_startData(void) |
JackB | 13:9e6589dc8864 | 864 | { |
JackB | 13:9e6589dc8864 | 865 | _rs = 1; |
JackB | 13:9e6589dc8864 | 866 | _cs = 0; |
JackB | 13:9e6589dc8864 | 867 | } |
JackB | 13:9e6589dc8864 | 868 | |
JackB | 13:9e6589dc8864 | 869 | void TFT_22_ILI9225::_writeData(uint16_t data) |
JackB | 13:9e6589dc8864 | 870 | { |
JackB | 13:9e6589dc8864 | 871 | _spi.write(data >> 8); |
JackB | 13:9e6589dc8864 | 872 | _spi.write(data & 0xff); |
JackB | 13:9e6589dc8864 | 873 | } |
JackB | 13:9e6589dc8864 | 874 | |
JackB | 13:9e6589dc8864 | 875 | void TFT_22_ILI9225::_endData(void) |
JackB | 13:9e6589dc8864 | 876 | { |
JackB | 13:9e6589dc8864 | 877 | _cs = 1; |
JackB | 13:9e6589dc8864 | 878 | } |