35 lines
751 B
C
35 lines
751 B
C
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// This is the command sequence that rotates the SSD1351 driver coordinate frame
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rotation = m % 4; // Limit the range of values to 0-3
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uint8_t madctl = 0x64;
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switch (rotation) {
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case 0:
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madctl |= 0x10;
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_width = _init_width;
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_height = _init_height;
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break;
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case 1:
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madctl |= 0x13;
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_width = _init_height;
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_height = _init_width;
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break;
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case 2:
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madctl |= 0x02;
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_width = _init_width;
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_height = _init_height;
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break;
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case 3:
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madctl |= 0x01;
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_width = _init_height;
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_height = _init_width;
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break;
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}
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writecommand(0xA0); // SETREMAP
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writedata(madctl);
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writecommand(0xA1); // STARTLINE
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writedata(rotation < 2 ? TFT_HEIGHT : 0);
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