TTGO-T-Display/TFT_eSPI/TFT_Drivers/ST7789_2_Rotation.h

49 wiersze
1.1 KiB
C

// This is the command sequence that rotates the ST7789 driver coordinate frame
writecommand(TFT_MADCTL);
rotation = m % 4;
switch (rotation) {
case 0: // Portrait
#ifdef CGRAM_OFFSET
colstart = 0;
rowstart = 0;
#endif
writedata(TFT_MAD_COLOR_ORDER);
_width = _init_width;
_height = _init_height;
break;
case 1: // Landscape (Portrait + 90)
#ifdef CGRAM_OFFSET
colstart = 0;
rowstart = 0;
#endif
writedata(TFT_MAD_MX | TFT_MAD_MV | TFT_MAD_COLOR_ORDER);
_width = _init_height;
_height = _init_width;
break;
case 2: // Inverter portrait
#ifdef CGRAM_OFFSET
colstart = 0;
rowstart = 80;
#endif
writedata(TFT_MAD_MX | TFT_MAD_MY | TFT_MAD_COLOR_ORDER);
_width = _init_width;
_height = _init_height;
break;
case 3: // Inverted landscape
#ifdef CGRAM_OFFSET
colstart = 80;
rowstart = 0;
#endif
writedata(TFT_MAD_MV | TFT_MAD_MY | TFT_MAD_COLOR_ORDER);
_width = _init_height;
_height = _init_width;
break;
}