57 lines
1.2 KiB
C
57 lines
1.2 KiB
C
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// This is the command sequence that rotates the ILI9163 driver coordinate frame
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rotation = m % 4;
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writecommand(TFT_MADCTL);
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switch (rotation) {
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case 0:
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writedata(TFT_MAD_MX | TFT_MAD_MY | TFT_MAD_BGR);
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_width = _width_orig;
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_height = _height_orig;
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#if CGRAM_OFFSET == OFFSET_FROM_START
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colstart = 0;
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rowstart = 32;
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#else
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colstart = 0;
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rowstart = 0;
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#endif
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break;
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case 1:
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writedata(TFT_MAD_MV | TFT_MAD_MY | TFT_MAD_BGR);
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_width = _height_orig;
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_height = _width_orig;
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#if CGRAM_OFFSET == OFFSET_FROM_START
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colstart = 32;
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rowstart = 0;
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#else
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colstart = 0;
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rowstart = 0;
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#endif
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break;
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case 2:
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writedata(TFT_MAD_BGR);
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_width = _width_orig;
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_height = _height_orig;
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#if CGRAM_OFFSET == OFFSET_FROM_START
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colstart = 0;
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rowstart = 0;
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#else
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colstart = 0;
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rowstart = 32;
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#endif
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break;
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case 3:
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writedata(TFT_MAD_MX | TFT_MAD_MV | TFT_MAD_BGR);
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_width = _height_orig;
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_height = _width_orig;
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#if CGRAM_OFFSET == OFFSET_FROM_START
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colstart = 0;
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rowstart = 0;
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#else
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colstart = 32;
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rowstart = 0;
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#endif
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break;
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}
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