SPI based library for the ST7735 LCD controller.
Dependents: RayCastingEngine RETRO_LCD_PerformanceTest RETRO_loop_test RETRO_RickGame ... more
LCD_ST7735.cpp@9:7ecd74dcb8ef, 2014-10-25 (annotated)
- Committer:
- taylorza
- Date:
- Sat Oct 25 04:15:30 2014 +0000
- Revision:
- 9:7ecd74dcb8ef
- Parent:
- 8:12f16befa7e1
- Child:
- 12:146a55dccb22
Removed setPixelFast
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
taylorza | 0:7b3fb3085867 | 1 | #include "mbed.h" |
taylorza | 0:7b3fb3085867 | 2 | #include "LCD_ST7735.h" |
taylorza | 0:7b3fb3085867 | 3 | |
taylorza | 0:7b3fb3085867 | 4 | LCD_ST7735::LCD_ST7735( |
taylorza | 0:7b3fb3085867 | 5 | PinName backlightPin, |
taylorza | 0:7b3fb3085867 | 6 | PinName resetPin, |
taylorza | 0:7b3fb3085867 | 7 | PinName dsPin, |
taylorza | 0:7b3fb3085867 | 8 | PinName mosiPin, |
taylorza | 0:7b3fb3085867 | 9 | PinName misoPin, |
taylorza | 0:7b3fb3085867 | 10 | PinName clkPin, |
taylorza | 8:12f16befa7e1 | 11 | PinName csPin, |
taylorza | 8:12f16befa7e1 | 12 | PanelColorFilter colorFilter |
taylorza | 8:12f16befa7e1 | 13 | ) : |
taylorza | 8:12f16befa7e1 | 14 | _colorFilter(colorFilter), |
taylorza | 0:7b3fb3085867 | 15 | _backlight(backlightPin, 0), |
taylorza | 0:7b3fb3085867 | 16 | _reset(resetPin, 1), |
taylorza | 0:7b3fb3085867 | 17 | _ds(dsPin, 0), |
taylorza | 0:7b3fb3085867 | 18 | _cs(csPin, 1), |
taylorza | 0:7b3fb3085867 | 19 | _spi(mosiPin, misoPin, clkPin) |
taylorza | 0:7b3fb3085867 | 20 | { |
taylorza | 0:7b3fb3085867 | 21 | _spi.format(8, 3); |
taylorza | 6:67d3d4a953e0 | 22 | _spi.frequency(15000000); |
taylorza | 0:7b3fb3085867 | 23 | |
taylorza | 0:7b3fb3085867 | 24 | initDisplay(); |
taylorza | 0:7b3fb3085867 | 25 | clearScreen(); |
taylorza | 0:7b3fb3085867 | 26 | setForegroundColor(0xffff); |
taylorza | 0:7b3fb3085867 | 27 | setBackgroundColor(0x0000); |
taylorza | 0:7b3fb3085867 | 28 | } |
taylorza | 0:7b3fb3085867 | 29 | |
taylorza | 3:451148656b76 | 30 | void LCD_ST7735::setOrientation(Orientation orientation, bool flip) |
taylorza | 3:451148656b76 | 31 | { |
taylorza | 5:21c987ee68d2 | 32 | const static uint8_t my = 0x80; |
taylorza | 3:451148656b76 | 33 | const static uint8_t mx = 0x40; |
taylorza | 3:451148656b76 | 34 | const static uint8_t mv = 0x20; |
taylorza | 3:451148656b76 | 35 | |
taylorza | 8:12f16befa7e1 | 36 | uint8_t madctlData = _colorFilter; |
taylorza | 3:451148656b76 | 37 | switch(orientation) |
taylorza | 3:451148656b76 | 38 | { |
taylorza | 3:451148656b76 | 39 | case Rotate0: |
taylorza | 3:451148656b76 | 40 | _width = 128; |
taylorza | 3:451148656b76 | 41 | _height = 160; |
taylorza | 3:451148656b76 | 42 | madctlData |= flip ? mx : 0; |
taylorza | 3:451148656b76 | 43 | break; |
taylorza | 3:451148656b76 | 44 | |
taylorza | 3:451148656b76 | 45 | case Rotate90: |
taylorza | 3:451148656b76 | 46 | _width = 160; |
taylorza | 3:451148656b76 | 47 | _height = 128; |
taylorza | 3:451148656b76 | 48 | madctlData |= flip ? my | mv | mx : mv | mx; |
taylorza | 3:451148656b76 | 49 | break; |
taylorza | 3:451148656b76 | 50 | |
taylorza | 3:451148656b76 | 51 | case Rotate180: |
taylorza | 3:451148656b76 | 52 | _width = 128; |
taylorza | 3:451148656b76 | 53 | _height = 160; |
taylorza | 3:451148656b76 | 54 | madctlData |= flip ? my : mx | my; |
taylorza | 3:451148656b76 | 55 | break; |
taylorza | 3:451148656b76 | 56 | |
taylorza | 3:451148656b76 | 57 | case Rotate270: |
taylorza | 3:451148656b76 | 58 | _width = 160; |
taylorza | 3:451148656b76 | 59 | _height = 128; |
taylorza | 3:451148656b76 | 60 | madctlData |= flip ? mv : mv | my; |
taylorza | 3:451148656b76 | 61 | break; |
taylorza | 3:451148656b76 | 62 | } |
taylorza | 3:451148656b76 | 63 | write(CMD_MADCTL, (uint8_t[]){madctlData}, 1); |
taylorza | 3:451148656b76 | 64 | } |
taylorza | 3:451148656b76 | 65 | |
taylorza | 3:451148656b76 | 66 | int LCD_ST7735::getWidth() |
taylorza | 3:451148656b76 | 67 | { |
taylorza | 3:451148656b76 | 68 | return _width; |
taylorza | 3:451148656b76 | 69 | } |
taylorza | 3:451148656b76 | 70 | |
taylorza | 3:451148656b76 | 71 | int LCD_ST7735::getHeight() |
taylorza | 3:451148656b76 | 72 | { |
taylorza | 3:451148656b76 | 73 | return _height; |
taylorza | 3:451148656b76 | 74 | } |
taylorza | 3:451148656b76 | 75 | |
taylorza | 0:7b3fb3085867 | 76 | void LCD_ST7735::setBacklight(bool state) |
taylorza | 0:7b3fb3085867 | 77 | { |
taylorza | 0:7b3fb3085867 | 78 | _backlight = state ? 1 : 0; |
taylorza | 0:7b3fb3085867 | 79 | } |
taylorza | 0:7b3fb3085867 | 80 | |
taylorza | 0:7b3fb3085867 | 81 | void LCD_ST7735::clearScreen(uint16_t color) |
taylorza | 0:7b3fb3085867 | 82 | { |
taylorza | 3:451148656b76 | 83 | clipRect(0, 0, _width - 1, _height - 1); |
taylorza | 0:7b3fb3085867 | 84 | beginBatchCommand(CMD_RAMWR); |
taylorza | 4:88d22437119c | 85 | uint8_t colorHigh = color >> 8; |
taylorza | 4:88d22437119c | 86 | uint8_t colorLow = color; |
taylorza | 0:7b3fb3085867 | 87 | for(int i = 0; i < 128 * 160 * 2; ++i) |
taylorza | 0:7b3fb3085867 | 88 | { |
taylorza | 4:88d22437119c | 89 | writeBatchData(colorHigh, colorLow); |
taylorza | 0:7b3fb3085867 | 90 | } |
taylorza | 0:7b3fb3085867 | 91 | endBatchCommand(); |
taylorza | 0:7b3fb3085867 | 92 | } |
taylorza | 0:7b3fb3085867 | 93 | |
taylorza | 0:7b3fb3085867 | 94 | void LCD_ST7735::setPixel(int x, int y, uint16_t color) |
taylorza | 0:7b3fb3085867 | 95 | { |
taylorza | 9:7ecd74dcb8ef | 96 | write(CMD_CASET, (uint8_t[]){0, x, 0, x}, 4); |
taylorza | 9:7ecd74dcb8ef | 97 | write(CMD_RASET, (uint8_t[]){0, y, 0, y}, 4); |
taylorza | 9:7ecd74dcb8ef | 98 | write(CMD_RAMWR, color); |
taylorza | 0:7b3fb3085867 | 99 | } |
taylorza | 0:7b3fb3085867 | 100 | |
taylorza | 0:7b3fb3085867 | 101 | void LCD_ST7735::drawLine(int x1, int y1, int x2, int y2, uint16_t color) |
taylorza | 0:7b3fb3085867 | 102 | { |
taylorza | 0:7b3fb3085867 | 103 | int dx = abs(x2 - x1); |
taylorza | 0:7b3fb3085867 | 104 | int dy = abs(y2 - y1); |
taylorza | 0:7b3fb3085867 | 105 | |
taylorza | 0:7b3fb3085867 | 106 | if (dx == 0) |
taylorza | 0:7b3fb3085867 | 107 | { |
taylorza | 0:7b3fb3085867 | 108 | drawVertLine(x1, y1, y2, color); |
taylorza | 0:7b3fb3085867 | 109 | return; |
taylorza | 0:7b3fb3085867 | 110 | } |
taylorza | 0:7b3fb3085867 | 111 | else if(dy == 0) |
taylorza | 0:7b3fb3085867 | 112 | { |
taylorza | 0:7b3fb3085867 | 113 | drawHorizLine(x1, y1, x2, color); |
taylorza | 0:7b3fb3085867 | 114 | return; |
taylorza | 0:7b3fb3085867 | 115 | } |
taylorza | 0:7b3fb3085867 | 116 | |
taylorza | 0:7b3fb3085867 | 117 | int sx = (x1 < x2) ? 1 : -1; |
taylorza | 0:7b3fb3085867 | 118 | int sy = (y1 < y2) ? 1 : -1; |
taylorza | 0:7b3fb3085867 | 119 | int err = dx - dy; |
taylorza | 0:7b3fb3085867 | 120 | while(x1 != x2 || y1 != y2) |
taylorza | 0:7b3fb3085867 | 121 | { |
taylorza | 9:7ecd74dcb8ef | 122 | setPixel(x1, y1, color); |
taylorza | 0:7b3fb3085867 | 123 | int e2 = err << 1; |
taylorza | 0:7b3fb3085867 | 124 | if (e2 > -dy) |
taylorza | 0:7b3fb3085867 | 125 | { |
taylorza | 0:7b3fb3085867 | 126 | err -= dy; |
taylorza | 0:7b3fb3085867 | 127 | x1 += sx; |
taylorza | 0:7b3fb3085867 | 128 | } |
taylorza | 0:7b3fb3085867 | 129 | if (e2 < dx) |
taylorza | 0:7b3fb3085867 | 130 | { |
taylorza | 0:7b3fb3085867 | 131 | err += dx; |
taylorza | 0:7b3fb3085867 | 132 | y1 += sy; |
taylorza | 0:7b3fb3085867 | 133 | } |
taylorza | 0:7b3fb3085867 | 134 | } |
taylorza | 9:7ecd74dcb8ef | 135 | setPixel(x2, y2, color); |
taylorza | 0:7b3fb3085867 | 136 | } |
taylorza | 0:7b3fb3085867 | 137 | |
taylorza | 0:7b3fb3085867 | 138 | void LCD_ST7735::swap(int &a, int &b) |
taylorza | 0:7b3fb3085867 | 139 | { |
taylorza | 0:7b3fb3085867 | 140 | int t = a; |
taylorza | 0:7b3fb3085867 | 141 | a = b; |
taylorza | 0:7b3fb3085867 | 142 | b = t; |
taylorza | 0:7b3fb3085867 | 143 | } |
taylorza | 0:7b3fb3085867 | 144 | |
taylorza | 0:7b3fb3085867 | 145 | void LCD_ST7735::drawRect(int x1, int y1, int x2, int y2, uint16_t color) |
taylorza | 0:7b3fb3085867 | 146 | { |
taylorza | 0:7b3fb3085867 | 147 | if (x1 > x2) swap(x1, x2); |
taylorza | 0:7b3fb3085867 | 148 | if (y1 > y2) swap(y1, y2); |
taylorza | 0:7b3fb3085867 | 149 | |
taylorza | 0:7b3fb3085867 | 150 | drawHorizLine(x1, y1, x2, color); |
taylorza | 0:7b3fb3085867 | 151 | drawHorizLine(x1, y2, x2, color); |
taylorza | 0:7b3fb3085867 | 152 | drawVertLine(x1, y1, y2, color); |
taylorza | 0:7b3fb3085867 | 153 | drawVertLine(x2, y1, y2, color); |
taylorza | 0:7b3fb3085867 | 154 | } |
taylorza | 0:7b3fb3085867 | 155 | |
taylorza | 0:7b3fb3085867 | 156 | void LCD_ST7735::drawCircle(int x, int y, int r, uint16_t color) |
taylorza | 0:7b3fb3085867 | 157 | { |
taylorza | 0:7b3fb3085867 | 158 | int ix = r; |
taylorza | 0:7b3fb3085867 | 159 | int iy = 0; |
taylorza | 0:7b3fb3085867 | 160 | int err = 1 - r; |
taylorza | 0:7b3fb3085867 | 161 | |
taylorza | 0:7b3fb3085867 | 162 | while(ix >= iy) |
taylorza | 0:7b3fb3085867 | 163 | { |
taylorza | 9:7ecd74dcb8ef | 164 | setPixel(x + ix, y + iy, color); |
taylorza | 9:7ecd74dcb8ef | 165 | setPixel(x + iy, y + ix, color); |
taylorza | 9:7ecd74dcb8ef | 166 | setPixel(x - ix, y + iy, color); |
taylorza | 9:7ecd74dcb8ef | 167 | setPixel(x - iy, y + ix, color); |
taylorza | 9:7ecd74dcb8ef | 168 | setPixel(x - ix, y - iy, color); |
taylorza | 9:7ecd74dcb8ef | 169 | setPixel(x - iy, y - ix, color); |
taylorza | 9:7ecd74dcb8ef | 170 | setPixel(x + ix, y - iy, color); |
taylorza | 9:7ecd74dcb8ef | 171 | setPixel(x + iy, y - ix, color); |
taylorza | 0:7b3fb3085867 | 172 | iy++; |
taylorza | 0:7b3fb3085867 | 173 | if (err < 0) |
taylorza | 0:7b3fb3085867 | 174 | { |
taylorza | 0:7b3fb3085867 | 175 | err += 2 * iy + 1; |
taylorza | 0:7b3fb3085867 | 176 | } |
taylorza | 0:7b3fb3085867 | 177 | else |
taylorza | 0:7b3fb3085867 | 178 | { |
taylorza | 0:7b3fb3085867 | 179 | ix--; |
taylorza | 0:7b3fb3085867 | 180 | err += 2 * (iy - ix + 1); |
taylorza | 0:7b3fb3085867 | 181 | } |
taylorza | 0:7b3fb3085867 | 182 | } |
taylorza | 0:7b3fb3085867 | 183 | } |
taylorza | 0:7b3fb3085867 | 184 | |
taylorza | 1:33ff5fad4320 | 185 | void LCD_ST7735::drawEllipse(int x, int y, int rx, int ry, uint16_t color) |
taylorza | 1:33ff5fad4320 | 186 | { |
taylorza | 1:33ff5fad4320 | 187 | int a2 = rx * rx; |
taylorza | 1:33ff5fad4320 | 188 | int b2 = ry * ry; |
taylorza | 1:33ff5fad4320 | 189 | int fa2 = 4 * a2; |
taylorza | 1:33ff5fad4320 | 190 | int fb2 = 4 * b2; |
taylorza | 1:33ff5fad4320 | 191 | |
taylorza | 1:33ff5fad4320 | 192 | int ix, iy, sigma; |
taylorza | 1:33ff5fad4320 | 193 | for (ix = 0, iy = ry, sigma = 2 * b2 + a2 * (1 - 2 * ry); b2 * ix <= a2 * iy; ix++) |
taylorza | 1:33ff5fad4320 | 194 | { |
taylorza | 9:7ecd74dcb8ef | 195 | setPixel(x + ix, y + iy, color); |
taylorza | 9:7ecd74dcb8ef | 196 | setPixel(x - ix, y + iy, color); |
taylorza | 9:7ecd74dcb8ef | 197 | setPixel(x + ix, y - iy, color); |
taylorza | 9:7ecd74dcb8ef | 198 | setPixel(x - ix, y - iy, color); |
taylorza | 1:33ff5fad4320 | 199 | if (sigma >= 0) |
taylorza | 1:33ff5fad4320 | 200 | { |
taylorza | 1:33ff5fad4320 | 201 | sigma+= fa2 * (1 - iy); |
taylorza | 1:33ff5fad4320 | 202 | iy--; |
taylorza | 1:33ff5fad4320 | 203 | } |
taylorza | 1:33ff5fad4320 | 204 | sigma += b2 * ((4 * ix) + 6); |
taylorza | 1:33ff5fad4320 | 205 | } |
taylorza | 1:33ff5fad4320 | 206 | |
taylorza | 1:33ff5fad4320 | 207 | for (ix = rx, iy = 0, sigma = 2 * a2 + b2 * (1 - 2 * rx); a2 * iy <= b2 * ix; iy++) |
taylorza | 1:33ff5fad4320 | 208 | { |
taylorza | 9:7ecd74dcb8ef | 209 | setPixel(x + ix, y + iy, color); |
taylorza | 9:7ecd74dcb8ef | 210 | setPixel(x - ix, y + iy, color); |
taylorza | 9:7ecd74dcb8ef | 211 | setPixel(x + ix, y - iy, color); |
taylorza | 9:7ecd74dcb8ef | 212 | setPixel(x - ix, y - iy, color); |
taylorza | 1:33ff5fad4320 | 213 | if (sigma >= 0) |
taylorza | 1:33ff5fad4320 | 214 | { |
taylorza | 1:33ff5fad4320 | 215 | sigma+= fb2 * (1 - ix); |
taylorza | 1:33ff5fad4320 | 216 | ix--; |
taylorza | 1:33ff5fad4320 | 217 | } |
taylorza | 1:33ff5fad4320 | 218 | sigma += a2 * ((4 * iy) + 6); |
taylorza | 1:33ff5fad4320 | 219 | } |
taylorza | 1:33ff5fad4320 | 220 | } |
taylorza | 4:88d22437119c | 221 | void LCD_ST7735::fillRect(int x1, int y1, int x2, int y2, uint16_t fillColor) |
taylorza | 4:88d22437119c | 222 | { |
taylorza | 4:88d22437119c | 223 | clipRect(x1, y1, x2, y2); |
taylorza | 4:88d22437119c | 224 | int c = ((x2-x1) * (y2-y1)) << 1; |
taylorza | 4:88d22437119c | 225 | uint8_t colorHigh = fillColor >> 8; |
taylorza | 4:88d22437119c | 226 | uint8_t colorLow = fillColor; |
taylorza | 4:88d22437119c | 227 | beginBatchCommand(CMD_RAMWR); |
taylorza | 4:88d22437119c | 228 | while(c--) |
taylorza | 4:88d22437119c | 229 | { |
taylorza | 4:88d22437119c | 230 | writeBatchData(colorHigh, colorLow); |
taylorza | 4:88d22437119c | 231 | } |
taylorza | 4:88d22437119c | 232 | endBatchCommand(); |
taylorza | 4:88d22437119c | 233 | } |
taylorza | 1:33ff5fad4320 | 234 | |
taylorza | 0:7b3fb3085867 | 235 | void LCD_ST7735::fillRect(int x1, int y1, int x2, int y2, uint16_t borderColor, uint16_t fillColor) |
taylorza | 0:7b3fb3085867 | 236 | { |
taylorza | 0:7b3fb3085867 | 237 | if (x1 > x2) swap(x1, x2); |
taylorza | 0:7b3fb3085867 | 238 | if (y1 > y2) swap(y1, y2); |
taylorza | 0:7b3fb3085867 | 239 | |
taylorza | 0:7b3fb3085867 | 240 | drawRect(x1, y1, x2, y2, borderColor); |
taylorza | 0:7b3fb3085867 | 241 | clipRect(x1 + 1, y1 + 1, x2 - 1, y2 - 1); |
taylorza | 0:7b3fb3085867 | 242 | int c = ((x2-x1-2) * (y2-y1-2)) << 1; |
taylorza | 4:88d22437119c | 243 | uint8_t colorHigh = fillColor >> 8; |
taylorza | 4:88d22437119c | 244 | uint8_t colorLow = fillColor; |
taylorza | 0:7b3fb3085867 | 245 | beginBatchCommand(CMD_RAMWR); |
taylorza | 0:7b3fb3085867 | 246 | while(c--) |
taylorza | 0:7b3fb3085867 | 247 | { |
taylorza | 4:88d22437119c | 248 | writeBatchData(colorHigh, colorLow); |
taylorza | 0:7b3fb3085867 | 249 | } |
taylorza | 0:7b3fb3085867 | 250 | endBatchCommand(); |
taylorza | 0:7b3fb3085867 | 251 | } |
taylorza | 0:7b3fb3085867 | 252 | |
taylorza | 0:7b3fb3085867 | 253 | void LCD_ST7735::fillCircle(int x, int y, int r, uint16_t borderColor, uint16_t fillColor) |
taylorza | 0:7b3fb3085867 | 254 | { |
taylorza | 0:7b3fb3085867 | 255 | int ix = r; |
taylorza | 0:7b3fb3085867 | 256 | int iy = 0; |
taylorza | 0:7b3fb3085867 | 257 | int err = 1 - r; |
taylorza | 0:7b3fb3085867 | 258 | |
taylorza | 0:7b3fb3085867 | 259 | while(ix >= iy) |
taylorza | 0:7b3fb3085867 | 260 | { |
taylorza | 9:7ecd74dcb8ef | 261 | setPixel(x - ix, y + iy, borderColor); |
taylorza | 9:7ecd74dcb8ef | 262 | setPixel(x + ix, y + iy, borderColor); |
taylorza | 0:7b3fb3085867 | 263 | drawHorizLine(x - ix + 1, y + iy, x + ix - 1, fillColor); |
taylorza | 0:7b3fb3085867 | 264 | |
taylorza | 9:7ecd74dcb8ef | 265 | setPixel(x - iy, y + ix, borderColor); |
taylorza | 9:7ecd74dcb8ef | 266 | setPixel(x + iy, y + ix, borderColor); |
taylorza | 0:7b3fb3085867 | 267 | drawHorizLine(x - iy + 1, y + ix, x + iy - 1, fillColor); |
taylorza | 0:7b3fb3085867 | 268 | |
taylorza | 9:7ecd74dcb8ef | 269 | setPixel(x - ix, y - iy, borderColor); |
taylorza | 9:7ecd74dcb8ef | 270 | setPixel(x + ix, y - iy, borderColor); |
taylorza | 0:7b3fb3085867 | 271 | drawHorizLine(x - ix + 1, y - iy, x + ix - 1, fillColor); |
taylorza | 0:7b3fb3085867 | 272 | |
taylorza | 9:7ecd74dcb8ef | 273 | setPixel(x - iy, y - ix, borderColor); |
taylorza | 9:7ecd74dcb8ef | 274 | setPixel(x + iy, y - ix, borderColor); |
taylorza | 0:7b3fb3085867 | 275 | drawHorizLine(x - iy + 1, y - ix, x + iy - 1, fillColor); |
taylorza | 0:7b3fb3085867 | 276 | iy++; |
taylorza | 0:7b3fb3085867 | 277 | if (err < 0) |
taylorza | 0:7b3fb3085867 | 278 | { |
taylorza | 0:7b3fb3085867 | 279 | err += 2 * iy + 1; |
taylorza | 0:7b3fb3085867 | 280 | } |
taylorza | 0:7b3fb3085867 | 281 | else |
taylorza | 0:7b3fb3085867 | 282 | { |
taylorza | 0:7b3fb3085867 | 283 | ix--; |
taylorza | 0:7b3fb3085867 | 284 | err += 2 * (iy - ix + 1); |
taylorza | 0:7b3fb3085867 | 285 | } |
taylorza | 0:7b3fb3085867 | 286 | } |
taylorza | 0:7b3fb3085867 | 287 | } |
taylorza | 0:7b3fb3085867 | 288 | |
taylorza | 1:33ff5fad4320 | 289 | void LCD_ST7735::fillEllipse(int x, int y, int rx, int ry, uint16_t borderColor, uint16_t fillColor) |
taylorza | 1:33ff5fad4320 | 290 | { |
taylorza | 1:33ff5fad4320 | 291 | int a2 = rx * rx; |
taylorza | 1:33ff5fad4320 | 292 | int b2 = ry * ry; |
taylorza | 1:33ff5fad4320 | 293 | int fa2 = 4 * a2; |
taylorza | 1:33ff5fad4320 | 294 | int fb2 = 4 * b2; |
taylorza | 1:33ff5fad4320 | 295 | |
taylorza | 1:33ff5fad4320 | 296 | int ix, iy, sigma; |
taylorza | 1:33ff5fad4320 | 297 | for (ix = 0, iy = ry, sigma = 2 * b2 + a2 * (1 - 2 * ry); b2 * ix <= a2 * iy; ix++) |
taylorza | 1:33ff5fad4320 | 298 | { |
taylorza | 9:7ecd74dcb8ef | 299 | setPixel(x + ix, y + iy, borderColor); |
taylorza | 9:7ecd74dcb8ef | 300 | setPixel(x - ix, y + iy, borderColor); |
taylorza | 1:33ff5fad4320 | 301 | drawHorizLine(x - ix + 1, y + iy, x + ix - 1, fillColor); |
taylorza | 1:33ff5fad4320 | 302 | |
taylorza | 9:7ecd74dcb8ef | 303 | setPixel(x + ix, y - iy, borderColor); |
taylorza | 9:7ecd74dcb8ef | 304 | setPixel(x - ix, y - iy, borderColor); |
taylorza | 1:33ff5fad4320 | 305 | drawHorizLine(x - ix + 1, y - iy, x + ix - 1, fillColor); |
taylorza | 1:33ff5fad4320 | 306 | |
taylorza | 1:33ff5fad4320 | 307 | if (sigma >= 0) |
taylorza | 1:33ff5fad4320 | 308 | { |
taylorza | 1:33ff5fad4320 | 309 | sigma+= fa2 * (1 - iy); |
taylorza | 1:33ff5fad4320 | 310 | iy--; |
taylorza | 1:33ff5fad4320 | 311 | } |
taylorza | 1:33ff5fad4320 | 312 | sigma += b2 * ((4 * ix) + 6); |
taylorza | 1:33ff5fad4320 | 313 | } |
taylorza | 1:33ff5fad4320 | 314 | |
taylorza | 1:33ff5fad4320 | 315 | for (ix = rx, iy = 0, sigma = 2 * a2 + b2 * (1 - 2 * rx); a2 * iy <= b2 * ix; iy++) |
taylorza | 1:33ff5fad4320 | 316 | { |
taylorza | 9:7ecd74dcb8ef | 317 | setPixel(x + ix, y + iy, borderColor); |
taylorza | 9:7ecd74dcb8ef | 318 | setPixel(x - ix, y + iy, borderColor); |
taylorza | 1:33ff5fad4320 | 319 | drawHorizLine(x - ix + 1, y + iy, x + ix - 1, fillColor); |
taylorza | 1:33ff5fad4320 | 320 | |
taylorza | 9:7ecd74dcb8ef | 321 | setPixel(x + ix, y - iy, borderColor); |
taylorza | 9:7ecd74dcb8ef | 322 | setPixel(x - ix, y - iy, borderColor); |
taylorza | 1:33ff5fad4320 | 323 | drawHorizLine(x - ix + 1, y - iy, x + ix - 1, fillColor); |
taylorza | 1:33ff5fad4320 | 324 | if (sigma >= 0) |
taylorza | 1:33ff5fad4320 | 325 | { |
taylorza | 1:33ff5fad4320 | 326 | sigma+= fb2 * (1 - ix); |
taylorza | 1:33ff5fad4320 | 327 | ix--; |
taylorza | 1:33ff5fad4320 | 328 | } |
taylorza | 1:33ff5fad4320 | 329 | sigma += a2 * ((4 * iy) + 6); |
taylorza | 1:33ff5fad4320 | 330 | } |
taylorza | 1:33ff5fad4320 | 331 | } |
taylorza | 1:33ff5fad4320 | 332 | |
taylorza | 0:7b3fb3085867 | 333 | void LCD_ST7735::drawBitmap(int x, int y, const uint16_t *pbmp) |
taylorza | 0:7b3fb3085867 | 334 | { |
taylorza | 0:7b3fb3085867 | 335 | int w = *pbmp++; |
taylorza | 0:7b3fb3085867 | 336 | int h = *pbmp++; |
taylorza | 0:7b3fb3085867 | 337 | |
taylorza | 0:7b3fb3085867 | 338 | clip(x, y, w, h); |
taylorza | 0:7b3fb3085867 | 339 | int c = w * h; |
taylorza | 0:7b3fb3085867 | 340 | beginBatchCommand(CMD_RAMWR); |
taylorza | 0:7b3fb3085867 | 341 | while(c--) |
taylorza | 0:7b3fb3085867 | 342 | { |
taylorza | 0:7b3fb3085867 | 343 | writeBatchData(*pbmp++); |
taylorza | 0:7b3fb3085867 | 344 | } |
taylorza | 0:7b3fb3085867 | 345 | endBatchCommand(); |
taylorza | 0:7b3fb3085867 | 346 | } |
taylorza | 0:7b3fb3085867 | 347 | |
taylorza | 1:33ff5fad4320 | 348 | void LCD_ST7735::drawBitmap(int x, int y, const uint16_t *pbmp, int srcX, int srcY, int srcWidth, int srcHeight) |
taylorza | 1:33ff5fad4320 | 349 | { |
taylorza | 1:33ff5fad4320 | 350 | int w = *pbmp++; |
taylorza | 1:33ff5fad4320 | 351 | int h = *pbmp++; |
taylorza | 1:33ff5fad4320 | 352 | |
taylorza | 1:33ff5fad4320 | 353 | clip(x, y, srcWidth, srcHeight); |
taylorza | 1:33ff5fad4320 | 354 | beginBatchCommand(CMD_RAMWR); |
taylorza | 1:33ff5fad4320 | 355 | const uint16_t *p = pbmp + srcX + (srcY * w); |
taylorza | 1:33ff5fad4320 | 356 | for(int iy = 0; iy < srcHeight; ++iy) |
taylorza | 1:33ff5fad4320 | 357 | { |
taylorza | 1:33ff5fad4320 | 358 | for(int ix = 0; ix < srcWidth; ++ix) |
taylorza | 1:33ff5fad4320 | 359 | { |
taylorza | 1:33ff5fad4320 | 360 | writeBatchData(*(p + ix)); |
taylorza | 1:33ff5fad4320 | 361 | } |
taylorza | 1:33ff5fad4320 | 362 | p += w; |
taylorza | 1:33ff5fad4320 | 363 | } |
taylorza | 1:33ff5fad4320 | 364 | endBatchCommand(); |
taylorza | 1:33ff5fad4320 | 365 | } |
taylorza | 1:33ff5fad4320 | 366 | |
taylorza | 0:7b3fb3085867 | 367 | void LCD_ST7735::setForegroundColor(uint16_t color) |
taylorza | 0:7b3fb3085867 | 368 | { |
taylorza | 4:88d22437119c | 369 | _foregroundColorHigh = color >> 8; |
taylorza | 4:88d22437119c | 370 | _foregroundColorLow = color; |
taylorza | 0:7b3fb3085867 | 371 | } |
taylorza | 0:7b3fb3085867 | 372 | |
taylorza | 0:7b3fb3085867 | 373 | void LCD_ST7735::setBackgroundColor(uint16_t color) |
taylorza | 0:7b3fb3085867 | 374 | { |
taylorza | 4:88d22437119c | 375 | _backgroundColorHigh = color >> 8; |
taylorza | 4:88d22437119c | 376 | _backgroundColorLow = color; |
taylorza | 0:7b3fb3085867 | 377 | } |
taylorza | 0:7b3fb3085867 | 378 | |
taylorza | 0:7b3fb3085867 | 379 | void LCD_ST7735::drawString(const uint8_t *pFont, int x, int y, const char *pString) |
taylorza | 0:7b3fb3085867 | 380 | { |
taylorza | 0:7b3fb3085867 | 381 | char *p = (char*)pString; |
taylorza | 0:7b3fb3085867 | 382 | while(*p != 0) |
taylorza | 0:7b3fb3085867 | 383 | { |
taylorza | 0:7b3fb3085867 | 384 | drawChar(pFont, x, y, *p++); |
taylorza | 0:7b3fb3085867 | 385 | x += 8; |
taylorza | 0:7b3fb3085867 | 386 | } |
taylorza | 0:7b3fb3085867 | 387 | } |
taylorza | 0:7b3fb3085867 | 388 | |
taylorza | 8:12f16befa7e1 | 389 | void LCD_ST7735::selectDevice() |
taylorza | 8:12f16befa7e1 | 390 | { |
taylorza | 8:12f16befa7e1 | 391 | _spi.prepareFastSPI(); |
taylorza | 8:12f16befa7e1 | 392 | } |
taylorza | 8:12f16befa7e1 | 393 | |
taylorza | 0:7b3fb3085867 | 394 | void LCD_ST7735::drawVertLine(int x1, int y1, int y2, uint16_t color) |
taylorza | 0:7b3fb3085867 | 395 | { |
taylorza | 0:7b3fb3085867 | 396 | clipRect(x1, y1, x1, y2); |
taylorza | 0:7b3fb3085867 | 397 | beginBatchCommand(CMD_RAMWR); |
taylorza | 4:88d22437119c | 398 | int c = (y2 - y1) << 1; |
taylorza | 4:88d22437119c | 399 | uint8_t colorHigh = color >> 8; |
taylorza | 4:88d22437119c | 400 | uint8_t colorLow = color; |
taylorza | 4:88d22437119c | 401 | for (int i = 0; i < c; ++i) |
taylorza | 0:7b3fb3085867 | 402 | { |
taylorza | 4:88d22437119c | 403 | writeBatchData(colorHigh, colorLow); |
taylorza | 0:7b3fb3085867 | 404 | } |
taylorza | 0:7b3fb3085867 | 405 | endBatchCommand(); |
taylorza | 0:7b3fb3085867 | 406 | } |
taylorza | 0:7b3fb3085867 | 407 | |
taylorza | 0:7b3fb3085867 | 408 | void LCD_ST7735::drawHorizLine(int x1, int y1, int x2, uint16_t color) |
taylorza | 0:7b3fb3085867 | 409 | { |
taylorza | 0:7b3fb3085867 | 410 | clipRect(x1, y1, x2, y1); |
taylorza | 0:7b3fb3085867 | 411 | beginBatchCommand(CMD_RAMWR); |
taylorza | 4:88d22437119c | 412 | int c = (x2 - x1) << 1; |
taylorza | 4:88d22437119c | 413 | uint8_t colorHigh = color >> 8; |
taylorza | 4:88d22437119c | 414 | uint8_t colorLow = color; |
taylorza | 4:88d22437119c | 415 | for (int i = 0; i < c; ++i) |
taylorza | 0:7b3fb3085867 | 416 | { |
taylorza | 4:88d22437119c | 417 | writeBatchData(colorHigh, colorLow); |
taylorza | 0:7b3fb3085867 | 418 | } |
taylorza | 0:7b3fb3085867 | 419 | endBatchCommand(); |
taylorza | 0:7b3fb3085867 | 420 | } |
taylorza | 0:7b3fb3085867 | 421 | |
taylorza | 0:7b3fb3085867 | 422 | void LCD_ST7735::drawChar(const uint8_t *pFont, int x, int y, char c) |
taylorza | 0:7b3fb3085867 | 423 | { |
taylorza | 0:7b3fb3085867 | 424 | const uint8_t *pChar = pFont + (c * 8); |
taylorza | 0:7b3fb3085867 | 425 | |
taylorza | 0:7b3fb3085867 | 426 | clip(x, y, 8, 8); |
taylorza | 0:7b3fb3085867 | 427 | beginBatchCommand(CMD_RAMWR); |
taylorza | 0:7b3fb3085867 | 428 | for(int r = 0; r < 8; ++r) |
taylorza | 0:7b3fb3085867 | 429 | { |
taylorza | 0:7b3fb3085867 | 430 | uint8_t b = pChar[r]; |
taylorza | 0:7b3fb3085867 | 431 | for(int c = 0; c < 8; ++c) |
taylorza | 0:7b3fb3085867 | 432 | { |
taylorza | 0:7b3fb3085867 | 433 | if (b & 0x80) |
taylorza | 4:88d22437119c | 434 | { |
taylorza | 4:88d22437119c | 435 | writeBatchData(_foregroundColorHigh); |
taylorza | 4:88d22437119c | 436 | writeBatchData(_foregroundColorLow); |
taylorza | 4:88d22437119c | 437 | } |
taylorza | 0:7b3fb3085867 | 438 | else |
taylorza | 4:88d22437119c | 439 | { |
taylorza | 4:88d22437119c | 440 | writeBatchData(_backgroundColorHigh); |
taylorza | 4:88d22437119c | 441 | writeBatchData(_backgroundColorLow); |
taylorza | 4:88d22437119c | 442 | } |
taylorza | 0:7b3fb3085867 | 443 | |
taylorza | 0:7b3fb3085867 | 444 | b <<= 1; |
taylorza | 0:7b3fb3085867 | 445 | } |
taylorza | 0:7b3fb3085867 | 446 | } |
taylorza | 0:7b3fb3085867 | 447 | endBatchCommand(); |
taylorza | 0:7b3fb3085867 | 448 | } |
taylorza | 0:7b3fb3085867 | 449 | |
taylorza | 0:7b3fb3085867 | 450 | void LCD_ST7735::initDisplay() |
taylorza | 0:7b3fb3085867 | 451 | { |
taylorza | 8:12f16befa7e1 | 452 | selectDevice(); |
taylorza | 0:7b3fb3085867 | 453 | reset(); |
taylorza | 0:7b3fb3085867 | 454 | |
taylorza | 5:21c987ee68d2 | 455 | writeCommand(CMD_SLPOUT); |
taylorza | 0:7b3fb3085867 | 456 | |
taylorza | 0:7b3fb3085867 | 457 | write(CMD_FRMCTR1, (uint8_t[]){0x01, 0x2c, 0x2d}, 3); |
taylorza | 5:21c987ee68d2 | 458 | write(CMD_FRMCTR2, (uint8_t[]){0x01, 0x2c, 0x2d}, 3); |
taylorza | 5:21c987ee68d2 | 459 | write(CMD_FRMCTR3, (uint8_t[]){0x01, 0x2c, 0x2d, 0x01, 0x2c, 0x2d}, 6); |
taylorza | 0:7b3fb3085867 | 460 | |
taylorza | 0:7b3fb3085867 | 461 | write(CMD_INVCTR, (uint8_t[]){0x07}, 1); |
taylorza | 0:7b3fb3085867 | 462 | |
taylorza | 0:7b3fb3085867 | 463 | write(CMD_PWCTR1, (uint8_t[]){0xa2, 0x02, 0x84}, 3); |
taylorza | 0:7b3fb3085867 | 464 | write(CMD_PWCTR2, (uint8_t[]){0xc5}, 1); |
taylorza | 0:7b3fb3085867 | 465 | write(CMD_PWCTR3, (uint8_t[]){0x0a, 0x00}, 2); |
taylorza | 0:7b3fb3085867 | 466 | write(CMD_PWCTR4, (uint8_t[]){0x8a, 0x2a}, 2); |
taylorza | 0:7b3fb3085867 | 467 | write(CMD_PWCTR5, (uint8_t[]){0x8a, 0xee}, 2); |
taylorza | 0:7b3fb3085867 | 468 | |
taylorza | 0:7b3fb3085867 | 469 | write(CMD_VMCTR1, (uint8_t[]){0x0e}, 1); |
taylorza | 0:7b3fb3085867 | 470 | |
taylorza | 8:12f16befa7e1 | 471 | write(CMD_MADCTL, (uint8_t[]){0xc0 | _colorFilter}, 1); |
taylorza | 0:7b3fb3085867 | 472 | |
taylorza | 0:7b3fb3085867 | 473 | // Gama sequence |
taylorza | 0:7b3fb3085867 | 474 | write(CMD_GAMCTRP1, (uint8_t[]) |
taylorza | 0:7b3fb3085867 | 475 | { |
taylorza | 0:7b3fb3085867 | 476 | 0x0f, 0x1a, |
taylorza | 0:7b3fb3085867 | 477 | 0x0f, 0x18, |
taylorza | 0:7b3fb3085867 | 478 | 0x2f, 0x28, |
taylorza | 0:7b3fb3085867 | 479 | 0x20, 0x22, |
taylorza | 0:7b3fb3085867 | 480 | 0x1f, 0x1b, |
taylorza | 0:7b3fb3085867 | 481 | 0x23, 0x37, |
taylorza | 0:7b3fb3085867 | 482 | 0x00, 0x07, |
taylorza | 0:7b3fb3085867 | 483 | 0x02, 0x10 |
taylorza | 0:7b3fb3085867 | 484 | }, 16); |
taylorza | 0:7b3fb3085867 | 485 | |
taylorza | 0:7b3fb3085867 | 486 | write(CMD_GAMCTRN1, (uint8_t[]) |
taylorza | 0:7b3fb3085867 | 487 | { |
taylorza | 0:7b3fb3085867 | 488 | 0x0f, 0x1b, |
taylorza | 0:7b3fb3085867 | 489 | 0x0f, 0x17, |
taylorza | 0:7b3fb3085867 | 490 | 0x33, 0x2c, |
taylorza | 0:7b3fb3085867 | 491 | 0x29, 0x2e, |
taylorza | 0:7b3fb3085867 | 492 | 0x30, 0x30, |
taylorza | 0:7b3fb3085867 | 493 | 0x39, 0x3f, |
taylorza | 0:7b3fb3085867 | 494 | 0x00, 0x07, |
taylorza | 0:7b3fb3085867 | 495 | 0x03, 0x10 |
taylorza | 0:7b3fb3085867 | 496 | }, 16); |
taylorza | 0:7b3fb3085867 | 497 | |
taylorza | 0:7b3fb3085867 | 498 | write(CMD_CASET, (uint8_t[]){0x00, 0x00, 0x00, 0x7f}, 4); |
taylorza | 0:7b3fb3085867 | 499 | write(CMD_RASET, (uint8_t[]){0x00, 0x00, 0x00, 0x9f}, 4); |
taylorza | 0:7b3fb3085867 | 500 | |
taylorza | 0:7b3fb3085867 | 501 | write(CMD_EXTCTRL, (uint8_t[]){0x01}, 1); |
taylorza | 0:7b3fb3085867 | 502 | |
taylorza | 0:7b3fb3085867 | 503 | // Disable RAM power save |
taylorza | 0:7b3fb3085867 | 504 | write(0xf6, (uint8_t[]){0x00}, 1); |
taylorza | 0:7b3fb3085867 | 505 | |
taylorza | 0:7b3fb3085867 | 506 | // 65k color mode |
taylorza | 0:7b3fb3085867 | 507 | write(CMD_COLMOD, (uint8_t[]){0x05}, 1); |
taylorza | 0:7b3fb3085867 | 508 | |
taylorza | 0:7b3fb3085867 | 509 | // Enable display |
taylorza | 5:21c987ee68d2 | 510 | writeCommand(CMD_DISPON); |
taylorza | 0:7b3fb3085867 | 511 | |
taylorza | 0:7b3fb3085867 | 512 | setBacklight(true); |
taylorza | 0:7b3fb3085867 | 513 | } |
taylorza | 0:7b3fb3085867 | 514 | |
taylorza | 0:7b3fb3085867 | 515 | void LCD_ST7735::reset() |
taylorza | 0:7b3fb3085867 | 516 | { |
taylorza | 0:7b3fb3085867 | 517 | _reset = 0; |
taylorza | 0:7b3fb3085867 | 518 | wait_us(100); |
taylorza | 0:7b3fb3085867 | 519 | _reset = 1; |
taylorza | 0:7b3fb3085867 | 520 | wait_us(100); |
taylorza | 0:7b3fb3085867 | 521 | } |
taylorza | 0:7b3fb3085867 | 522 | |
taylorza | 0:7b3fb3085867 | 523 | void LCD_ST7735::clip(int x, int y, int w, int h) |
taylorza | 0:7b3fb3085867 | 524 | { |
taylorza | 0:7b3fb3085867 | 525 | clipRect(x, y, (x + w) - 1, (y + h) - 1); |
taylorza | 0:7b3fb3085867 | 526 | } |
taylorza | 0:7b3fb3085867 | 527 | |
taylorza | 0:7b3fb3085867 | 528 | void LCD_ST7735::clipRect(int x1, int y1, int x2, int y2) |
taylorza | 0:7b3fb3085867 | 529 | { |
taylorza | 4:88d22437119c | 530 | uint8_t x1l = (uint8_t)x1; |
taylorza | 4:88d22437119c | 531 | uint8_t x1h = (uint8_t)(x1 >> 8); |
taylorza | 4:88d22437119c | 532 | uint8_t x2l = (uint8_t)x2; |
taylorza | 4:88d22437119c | 533 | uint8_t x2h = (uint8_t)(x2 >> 8); |
taylorza | 0:7b3fb3085867 | 534 | write(CMD_CASET, (uint8_t[]){x1h, x1l, x2h, x2l}, 4); |
taylorza | 0:7b3fb3085867 | 535 | |
taylorza | 4:88d22437119c | 536 | uint8_t y1l = (uint8_t)y1; |
taylorza | 4:88d22437119c | 537 | uint8_t y1h = (uint8_t)(y1 >> 8); |
taylorza | 4:88d22437119c | 538 | uint8_t y2l = (uint8_t)y2; |
taylorza | 4:88d22437119c | 539 | uint8_t y2h = (uint8_t)(y2 >> 8); |
taylorza | 0:7b3fb3085867 | 540 | write(CMD_RASET, (uint8_t[]){y1h, y1l, y2h, y2l}, 4); |
taylorza | 0:7b3fb3085867 | 541 | } |
taylorza | 5:21c987ee68d2 | 542 | |
taylorza | 5:21c987ee68d2 | 543 | void LCD_ST7735::writeCommand(uint8_t cmd) |
taylorza | 0:7b3fb3085867 | 544 | { |
taylorza | 5:21c987ee68d2 | 545 | _cs = 0; |
taylorza | 5:21c987ee68d2 | 546 | _ds = 0; |
taylorza | 5:21c987ee68d2 | 547 | _spi.fastWrite(cmd); |
taylorza | 5:21c987ee68d2 | 548 | _spi.waitWhileBusy(); |
taylorza | 5:21c987ee68d2 | 549 | _spi.clearRx(); |
taylorza | 5:21c987ee68d2 | 550 | _cs = 1; |
taylorza | 0:7b3fb3085867 | 551 | } |
taylorza | 0:7b3fb3085867 | 552 | |
taylorza | 0:7b3fb3085867 | 553 | void LCD_ST7735::write(uint8_t cmd, uint8_t data[], int dataLen) |
taylorza | 0:7b3fb3085867 | 554 | { |
taylorza | 0:7b3fb3085867 | 555 | _cs = 0; |
taylorza | 5:21c987ee68d2 | 556 | _ds = 0; |
taylorza | 5:21c987ee68d2 | 557 | _spi.fastWrite(cmd); |
taylorza | 5:21c987ee68d2 | 558 | _spi.waitWhileBusy(); |
taylorza | 0:7b3fb3085867 | 559 | if (data != NULL & dataLen > 0) |
taylorza | 0:7b3fb3085867 | 560 | { |
taylorza | 0:7b3fb3085867 | 561 | _ds = 1; |
taylorza | 0:7b3fb3085867 | 562 | for(int i = 0; i < dataLen; ++i) |
taylorza | 0:7b3fb3085867 | 563 | { |
taylorza | 5:21c987ee68d2 | 564 | _spi.fastWrite(data[i]); |
taylorza | 0:7b3fb3085867 | 565 | } |
taylorza | 5:21c987ee68d2 | 566 | _spi.waitWhileBusy(); |
taylorza | 0:7b3fb3085867 | 567 | _ds = 0; |
taylorza | 0:7b3fb3085867 | 568 | } |
taylorza | 5:21c987ee68d2 | 569 | _spi.clearRx(); |
taylorza | 5:21c987ee68d2 | 570 | _cs = 1; |
taylorza | 0:7b3fb3085867 | 571 | } |
taylorza | 0:7b3fb3085867 | 572 | |
taylorza | 0:7b3fb3085867 | 573 | void LCD_ST7735::write(uint8_t cmd, uint16_t data) |
taylorza | 0:7b3fb3085867 | 574 | { |
taylorza | 5:21c987ee68d2 | 575 | _cs = 0; |
taylorza | 5:21c987ee68d2 | 576 | _ds = 0; |
taylorza | 5:21c987ee68d2 | 577 | _spi.fastWrite(cmd); |
taylorza | 5:21c987ee68d2 | 578 | _spi.waitWhileBusy(); |
taylorza | 5:21c987ee68d2 | 579 | _ds = 1; |
taylorza | 5:21c987ee68d2 | 580 | _spi.fastWrite(data >> 8); |
taylorza | 5:21c987ee68d2 | 581 | _spi.fastWrite(data); |
taylorza | 5:21c987ee68d2 | 582 | _spi.waitWhileBusy(); |
taylorza | 5:21c987ee68d2 | 583 | _spi.clearRx(); |
taylorza | 5:21c987ee68d2 | 584 | _ds = 0; |
taylorza | 0:7b3fb3085867 | 585 | _cs = 1; |
taylorza | 0:7b3fb3085867 | 586 | } |
taylorza | 0:7b3fb3085867 | 587 | |
taylorza | 0:7b3fb3085867 | 588 | void LCD_ST7735::beginBatchCommand(uint8_t cmd) |
taylorza | 0:7b3fb3085867 | 589 | { |
taylorza | 0:7b3fb3085867 | 590 | _cs = 0; |
taylorza | 5:21c987ee68d2 | 591 | _ds = 0; |
taylorza | 5:21c987ee68d2 | 592 | _spi.fastWrite(cmd); |
taylorza | 5:21c987ee68d2 | 593 | _spi.waitWhileBusy(); |
taylorza | 0:7b3fb3085867 | 594 | _ds = 1; |
taylorza | 0:7b3fb3085867 | 595 | } |
taylorza | 0:7b3fb3085867 | 596 | |
taylorza | 0:7b3fb3085867 | 597 | void LCD_ST7735::writeBatchData(uint8_t data) |
taylorza | 0:7b3fb3085867 | 598 | { |
taylorza | 5:21c987ee68d2 | 599 | _spi.fastWrite(data); |
taylorza | 0:7b3fb3085867 | 600 | } |
taylorza | 0:7b3fb3085867 | 601 | |
taylorza | 4:88d22437119c | 602 | void LCD_ST7735::writeBatchData(uint8_t dataHigh, uint8_t dataLow) |
taylorza | 4:88d22437119c | 603 | { |
taylorza | 5:21c987ee68d2 | 604 | _spi.fastWrite(dataHigh); |
taylorza | 5:21c987ee68d2 | 605 | _spi.fastWrite(dataLow); |
taylorza | 4:88d22437119c | 606 | } |
taylorza | 4:88d22437119c | 607 | |
taylorza | 4:88d22437119c | 608 | |
taylorza | 0:7b3fb3085867 | 609 | void LCD_ST7735::writeBatchData(uint16_t data) |
taylorza | 0:7b3fb3085867 | 610 | { |
taylorza | 5:21c987ee68d2 | 611 | _spi.fastWrite(data >> 8); |
taylorza | 5:21c987ee68d2 | 612 | _spi.fastWrite(data); |
taylorza | 0:7b3fb3085867 | 613 | } |
taylorza | 0:7b3fb3085867 | 614 | |
taylorza | 0:7b3fb3085867 | 615 | void LCD_ST7735::endBatchCommand() |
taylorza | 0:7b3fb3085867 | 616 | { |
taylorza | 5:21c987ee68d2 | 617 | _spi.waitWhileBusy(); |
taylorza | 5:21c987ee68d2 | 618 | _spi.clearRx(); |
taylorza | 0:7b3fb3085867 | 619 | _ds = 0; |
taylorza | 0:7b3fb3085867 | 620 | _cs = 1; |
taylorza | 4:88d22437119c | 621 | } |
taylorza | 7:f39c980a589c | 622 |