TFT_eSPI/TFT_Drivers/ILI9341_Rotation.h
Bodmer e1b2959577 First draft release
Not yet fully tested but seems to work OK!
2017-02-22 03:07:17 +00:00

50 lines
1.3 KiB
C

// 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:
writedata(TFT_MAD_MX | TFT_MAD_BGR);
_width = TFT_WIDTH;
_height = TFT_HEIGHT;
break;
case 1:
writedata(TFT_MAD_MV | TFT_MAD_BGR);
_width = TFT_HEIGHT;
_height = TFT_WIDTH;
break;
case 2:
writedata(TFT_MAD_MY | TFT_MAD_BGR);
_width = TFT_WIDTH;
_height = TFT_HEIGHT;
break;
case 3:
writedata(TFT_MAD_MX | TFT_MAD_MY | TFT_MAD_MV | TFT_MAD_BGR);
_width = TFT_HEIGHT;
_height = TFT_WIDTH;
break;
// These next rotations are for bottum up BMP drawing
case 4:
writedata(TFT_MAD_MX | TFT_MAD_MY | TFT_MAD_BGR);
_width = TFT_WIDTH;
_height = TFT_HEIGHT;
break;
case 5:
writedata(TFT_MAD_MV | TFT_MAD_MX | TFT_MAD_BGR);
_width = TFT_HEIGHT;
_height = TFT_WIDTH;
break;
case 6:
writedata(TFT_MAD_BGR);
_width = TFT_WIDTH;
_height = TFT_HEIGHT;
break;
case 7:
writedata(TFT_MAD_MY | TFT_MAD_MV | TFT_MAD_BGR);
_width = TFT_HEIGHT;
_height = TFT_WIDTH;
break;
}