NerdNos-Firmware/lib/TFT_eSPI/TFT_Drivers/ST7796_Rotation.h
Alfonso C. Alvarez d64a1d95da changed:
- added plaformio libraries
- improvements and fix errors.

 Please enter the commit message for your changes. Lines starting
2023-04-17 02:07:18 +02:00

51 lines
1.3 KiB
C

// This is the command sequence that rotates the ST7796 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_COLOR_ORDER);
_width = _init_width;
_height = _init_height;
break;
case 1:
writedata(TFT_MAD_MV | TFT_MAD_COLOR_ORDER);
_width = _init_height;
_height = _init_width;
break;
case 2:
writedata(TFT_MAD_MY | TFT_MAD_COLOR_ORDER);
_width = _init_width;
_height = _init_height;
break;
case 3:
writedata(TFT_MAD_MX | TFT_MAD_MY | TFT_MAD_MV | TFT_MAD_COLOR_ORDER);
_width = _init_height;
_height = _init_width;
break;
// These next rotations are for bottom up BMP drawing
case 4:
writedata(TFT_MAD_MX | TFT_MAD_MY | TFT_MAD_COLOR_ORDER);
_width = _init_width;
_height = _init_height;
break;
case 5:
writedata(TFT_MAD_MV | TFT_MAD_MX | TFT_MAD_COLOR_ORDER);
_width = _init_height;
_height = _init_width;
break;
case 6:
writedata(TFT_MAD_COLOR_ORDER);
_width = _init_width;
_height = _init_height;
break;
case 7:
writedata(TFT_MAD_MY | TFT_MAD_MV | TFT_MAD_COLOR_ORDER);
_width = _init_height;
_height = _init_width;
break;
}