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Alejandro Guerrero 2026-09-27 17:21:39 +02:00
commit e6a42e28e9
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56
libraries/TFT_eSPI/TFT_Drivers/GC9A01_Rotation.h Normal file
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// This is the command sequence that rotates the GC9A01 driver coordinate frame
rotation = m % 4;
writecommand(TFT_MADCTL);
switch (rotation) {
case 0: // Portrait
writedata(TFT_MAD_BGR);
_width = _init_width;
_height = _init_height;
#ifdef CGRAM_OFFSET
if (_init_width == 128)
{
colstart = 2;
rowstart = 1;
}
#endif
break;
case 1: // Landscape (Portrait + 90)
writedata(TFT_MAD_MX | TFT_MAD_MV | TFT_MAD_BGR);
_width = _init_height;
_height = _init_width;
#ifdef CGRAM_OFFSET
if (_init_width == 128)
{
colstart = 1;
rowstart = 2;
}
#endif
break;
case 2: // Inverter portrait
writedata(TFT_MAD_MX | TFT_MAD_MY | TFT_MAD_BGR);
_width = _init_width;
_height = _init_height;
#ifdef CGRAM_OFFSET
if (_init_width == 128)
{
colstart = 2;
rowstart = 1;
}
#endif
break;
case 3: // Inverted landscape
writedata(TFT_MAD_MV | TFT_MAD_MY | TFT_MAD_BGR);
_width = _init_height;
_height = _init_width;
#ifdef CGRAM_OFFSET
if (_init_width == 128)
{
colstart = 1;
rowstart = 2;
}
#endif
break;
}