acid-drop/lib/TFT_eSPI/TFT_Drivers/RM68120_Rotation.h

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2024-05-23 18:42:03 -04:00
// This is the command sequence that rotates the RM68120 driver coordinate frame
rotation = m % 4; // Limit the range of values to 0-3
uint8_t reg = 0;
switch (rotation) {
case 0:
reg = TFT_MAD_COLOR_ORDER;
_width = _init_width;
_height = _init_height;
break;
case 1:
reg = TFT_MAD_MV | TFT_MAD_MX | TFT_MAD_COLOR_ORDER;
_width = _init_height;
_height = _init_width;
break;
case 2:
reg = TFT_MAD_MX | TFT_MAD_MY | TFT_MAD_COLOR_ORDER;
_width = _init_width;
_height = _init_height;
break;
case 3:
reg = TFT_MAD_MV | TFT_MAD_MY | TFT_MAD_COLOR_ORDER;
_width = _init_height;
_height = _init_width;
break;
}
writeRegister16(TFT_MADCTL, reg);