30 lines
		
	
	
		
			711 B
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			30 lines
		
	
	
		
			711 B
		
	
	
	
		
			C
		
	
	
	
| 
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| // This is the command sequence that rotates the SSD1963 driver coordinate frame
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| 
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|   rotation = m % 4; // Limit the range of values to 0-3
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| 
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|   writecommand(TFT_MADCTL);
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|   switch (rotation) {
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|     case 0:
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|       writedata(0x21 | TFT_MAD_COLOR_ORDER);
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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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|       writedata(0x00 | TFT_MAD_COLOR_ORDER);
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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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|       writedata(0x22 | TFT_MAD_COLOR_ORDER);
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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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|       writedata(0x03 | TFT_MAD_COLOR_ORDER);
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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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|   }
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