acid-drop

- Hacking the planet from a LilyGo T-Deck using custom firmware
git clone git://git.acid.vegas/acid-drop.git
ILI9341_Rotation.h (2067B)
      1 
      2 // This is the command sequence that rotates the ILI9341 driver coordinate frame
      3 
      4   rotation = m % 8; // Limit the range of values to 0-7
      5 
      6   writecommand(TFT_MADCTL);
      7   switch (rotation) {
      8     case 0:
      9 #ifdef M5STACK
     10       writedata(TFT_MAD_MY | TFT_MAD_MV | TFT_MAD_COLOR_ORDER);
     11 #else
     12       writedata(TFT_MAD_MX | TFT_MAD_COLOR_ORDER);
     13 #endif
     14       _width  = _init_width;
     15       _height = _init_height;
     16       break;
     17     case 1:
     18 #ifdef M5STACK
     19       writedata(TFT_MAD_COLOR_ORDER);
     20 #else
     21       writedata(TFT_MAD_MV | TFT_MAD_COLOR_ORDER);
     22 #endif
     23       _width  = _init_height;
     24       _height = _init_width;
     25       break;
     26     case 2:
     27 #ifdef M5STACK
     28       writedata(TFT_MAD_MV | TFT_MAD_MX | TFT_MAD_COLOR_ORDER);
     29 #else
     30       writedata(TFT_MAD_MY | TFT_MAD_COLOR_ORDER);
     31 #endif
     32       _width  = _init_width;
     33       _height = _init_height;
     34       break;
     35     case 3:
     36 #ifdef M5STACK
     37       writedata(TFT_MAD_MX | TFT_MAD_MY | TFT_MAD_COLOR_ORDER);
     38 #else
     39       writedata(TFT_MAD_MX | TFT_MAD_MY | TFT_MAD_MV | TFT_MAD_COLOR_ORDER);
     40 #endif
     41       _width  = _init_height;
     42       _height = _init_width;
     43       break;
     44   // These next rotations are for bottom up BMP drawing
     45     case 4:
     46 #ifdef M5STACK
     47       writedata(TFT_MAD_MX | TFT_MAD_MY | TFT_MAD_MV | TFT_MAD_COLOR_ORDER);
     48 #else
     49       writedata(TFT_MAD_MX | TFT_MAD_MY | TFT_MAD_COLOR_ORDER);
     50 #endif
     51       _width  = _init_width;
     52       _height = _init_height;
     53       break;
     54     case 5:
     55 #ifdef M5STACK
     56       writedata(TFT_MAD_MY | TFT_MAD_COLOR_ORDER);
     57 #else
     58       writedata(TFT_MAD_MV | TFT_MAD_MX | TFT_MAD_COLOR_ORDER);
     59 #endif
     60       _width  = _init_height;
     61       _height = _init_width;
     62       break;
     63     case 6:
     64 #ifdef M5STACK
     65       writedata(TFT_MAD_MV | TFT_MAD_COLOR_ORDER);
     66 #else
     67       writedata(TFT_MAD_COLOR_ORDER);
     68 #endif
     69       _width  = _init_width;
     70       _height = _init_height;
     71       break;
     72     case 7:
     73 #ifdef M5STACK
     74       writedata(TFT_MAD_MX | TFT_MAD_COLOR_ORDER);
     75 #else
     76       writedata(TFT_MAD_MY | TFT_MAD_MV | TFT_MAD_COLOR_ORDER);
     77 #endif
     78       _width  = _init_height;
     79       _height = _init_width;
     80       break;
     81 
     82   }