44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
// This is the command sequence that rotates the ST7735/ILI9163/S6D02A1 driver coordinate frame
|
|
|
|
rotation = m % 4; // Limit the range of values to 0-3
|
|
|
|
writecommand(TFT_MADCTL);
|
|
switch (rotation) {
|
|
case 0:
|
|
writedata(TFT_MAD_MX | TFT_MAD_MY | TFT_COLOR_ORDER);
|
|
_width = _width_orig;
|
|
_height = _height_orig;
|
|
#ifdef CGRAM_OFFSET
|
|
colstart = R0_OFFSET_X;
|
|
rowstart = R0_OFFSET_Y;
|
|
#endif
|
|
break;
|
|
case 1:
|
|
writedata(TFT_MAD_MY | TFT_MAD_MV | TFT_COLOR_ORDER);
|
|
_width = _height_orig;
|
|
_height = _width_orig;
|
|
#ifdef CGRAM_OFFSET
|
|
colstart = R1_OFFSET_X;
|
|
rowstart = R1_OFFSET_Y;
|
|
#endif
|
|
break;
|
|
case 2:
|
|
writedata(TFT_COLOR_ORDER);
|
|
_width = _width_orig;
|
|
_height = _height_orig;
|
|
#ifdef CGRAM_OFFSET
|
|
colstart = R2_OFFSET_X;
|
|
rowstart = R2_OFFSET_Y;
|
|
#endif
|
|
break;
|
|
case 3:
|
|
writedata(TFT_MAD_MX | TFT_MAD_MV | TFT_COLOR_ORDER);
|
|
_width = _height_orig;
|
|
_height = _width_orig;
|
|
#ifdef CGRAM_OFFSET
|
|
colstart = R3_OFFSET_X;
|
|
rowstart = R3_OFFSET_Y;
|
|
#endif
|
|
break;
|
|
}
|