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This commit is contained in:
Daniel Stoppek
2024-12-09 19:47:18 +01:00
parent b55a8cd2bc
commit 528e862838
3471 changed files with 1105029 additions and 0 deletions
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78
libraries/TFT_eSPI/TFT_Drivers/ST7796_Rotation.h Normal file
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@@ -0,0 +1,78 @@
// 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;
#ifdef CGRAM_OFFSET
if (_init_width == 222)
{
colstart = 49;
rowstart = 0;
}
#endif
break;
case 1:
writedata(TFT_MAD_MV | TFT_MAD_COLOR_ORDER);
_width = _init_height;
_height = _init_width;
#ifdef CGRAM_OFFSET
if (_init_width == 222)
{
colstart = 0;
rowstart = 49;
}
#endif
break;
case 2:
writedata(TFT_MAD_MY | TFT_MAD_COLOR_ORDER);
_width = _init_width;
_height = _init_height;
#ifdef CGRAM_OFFSET
if (_init_width == 222)
{
colstart = 49;
rowstart = 0;
}
#endif
break;
case 3:
writedata(TFT_MAD_MX | TFT_MAD_MY | TFT_MAD_MV | TFT_MAD_COLOR_ORDER);
_width = _init_height;
_height = _init_width;
#ifdef CGRAM_OFFSET
if (_init_width == 222)
{
colstart = 0;
rowstart = 49;
}
#endif
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;
}