52 lines
1.7 KiB
C
52 lines
1.7 KiB
C
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// This is the command sequence that rotates the ST7781 driver coordinate frame
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// Based on ILI9225_Rotation.h and MCUFRIEND_kbv = MCUFRIEND_kbv::setRotation()
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rotation = m % 4; // Limit the range of values to 0-3
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switch (rotation) {
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case 0:
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writecommand(ST7781_GATE_SCAN_CTRL1);
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writedata(0xA7);writedata(0x00);
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writecommand(ST7781_DRIVER_OUTPUT_CTRL);
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writedata(0x01);writedata(0x00);
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writecommand(ST7781_ENTRY_MODE);
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writedata(TFT_MAD_COLOR_ORDER);writedata(0x30);
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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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writecommand(ST7781_GATE_SCAN_CTRL1);
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writedata(0xA7);writedata(0x00);
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writecommand(ST7781_DRIVER_OUTPUT_CTRL);
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writedata(0x00);writedata(0x00);
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writecommand(ST7781_ENTRY_MODE);
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writedata(TFT_MAD_COLOR_ORDER);writedata(0x38);
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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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writecommand(ST7781_GATE_SCAN_CTRL1);
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writedata(0x27);writedata(0x00);
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writecommand(ST7781_DRIVER_OUTPUT_CTRL);
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writedata(0x00);writedata(0x00);
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writecommand(ST7781_ENTRY_MODE);
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writedata(TFT_MAD_COLOR_ORDER);writedata(0x30);
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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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writecommand(ST7781_GATE_SCAN_CTRL1);
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writedata(0x27);writedata(0x00);
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writecommand(ST7781_DRIVER_OUTPUT_CTRL);
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writedata(0x01);writedata(0x00);
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writecommand(ST7781_ENTRY_MODE);
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writedata(TFT_MAD_COLOR_ORDER);writedata(0x38);
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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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// Finish Window
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setWindow(0, 0, _width - 1, _height - 1);
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