acid-drop/lib/TFT_eSPI/TFT_Drivers/ILI9341_Rotation.h

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2024-05-23 22:42:03 +00:00
// This is the command sequence that rotates the ILI9341 driver coordinate frame
rotation = m % 8; // Limit the range of values to 0-7
writecommand(TFT_MADCTL);
switch (rotation) {
case 0:
#ifdef M5STACK
writedata(TFT_MAD_MY | TFT_MAD_MV | TFT_MAD_COLOR_ORDER);
#else
writedata(TFT_MAD_MX | TFT_MAD_COLOR_ORDER);
#endif
_width = _init_width;
_height = _init_height;
break;
case 1:
#ifdef M5STACK
writedata(TFT_MAD_COLOR_ORDER);
#else
writedata(TFT_MAD_MV | TFT_MAD_COLOR_ORDER);
#endif
_width = _init_height;
_height = _init_width;
break;
case 2:
#ifdef M5STACK
writedata(TFT_MAD_MV | TFT_MAD_MX | TFT_MAD_COLOR_ORDER);
#else
writedata(TFT_MAD_MY | TFT_MAD_COLOR_ORDER);
#endif
_width = _init_width;
_height = _init_height;
break;
case 3:
#ifdef M5STACK
writedata(TFT_MAD_MX | TFT_MAD_MY | TFT_MAD_COLOR_ORDER);
#else
writedata(TFT_MAD_MX | TFT_MAD_MY | TFT_MAD_MV | TFT_MAD_COLOR_ORDER);
#endif
_width = _init_height;
_height = _init_width;
break;
// These next rotations are for bottom up BMP drawing
case 4:
#ifdef M5STACK
writedata(TFT_MAD_MX | TFT_MAD_MY | TFT_MAD_MV | TFT_MAD_COLOR_ORDER);
#else
writedata(TFT_MAD_MX | TFT_MAD_MY | TFT_MAD_COLOR_ORDER);
#endif
_width = _init_width;
_height = _init_height;
break;
case 5:
#ifdef M5STACK
writedata(TFT_MAD_MY | TFT_MAD_COLOR_ORDER);
#else
writedata(TFT_MAD_MV | TFT_MAD_MX | TFT_MAD_COLOR_ORDER);
#endif
_width = _init_height;
_height = _init_width;
break;
case 6:
#ifdef M5STACK
writedata(TFT_MAD_MV | TFT_MAD_COLOR_ORDER);
#else
writedata(TFT_MAD_COLOR_ORDER);
#endif
_width = _init_width;
_height = _init_height;
break;
case 7:
#ifdef M5STACK
writedata(TFT_MAD_MX | TFT_MAD_COLOR_ORDER);
#else
writedata(TFT_MAD_MY | TFT_MAD_MV | TFT_MAD_COLOR_ORDER);
#endif
_width = _init_height;
_height = _init_width;
break;
}