acid-drop

- Hacking the planet from a LilyGo T-Deck using custom firmware
git clone git://git.acid.vegas/acid-drop.git
Arduino_ILI9486.cpp (2901B)
      1 /*
      2  * start rewrite from:
      3  * https://github.com/nopnop2002/esp-idf-parallel-tft
      4  */
      5 #include "Arduino_ILI9486.h"
      6 
      7 Arduino_ILI9486::Arduino_ILI9486(Arduino_DataBus *bus, int8_t rst, uint8_t r, bool ips)
      8     : Arduino_TFT(bus, rst, r, ips, ILI9486_TFTWIDTH, ILI9486_TFTHEIGHT, 0, 0, 0, 0)
      9 {
     10 }
     11 
     12 bool Arduino_ILI9486::begin(int32_t speed)
     13 {
     14   return Arduino_TFT::begin(speed);
     15 }
     16 
     17 /**************************************************************************/
     18 /*!
     19     @brief   Set origin of (0,0) and orientation of TFT display
     20     @param   m  The index for rotation, from 0-3 inclusive
     21 */
     22 /**************************************************************************/
     23 void Arduino_ILI9486::setRotation(uint8_t r)
     24 {
     25   Arduino_TFT::setRotation(r);
     26   switch (_rotation)
     27   {
     28   case 1:
     29     r = (ILI9486_MADCTL_MV | ILI9486_MADCTL_BGR);
     30     break;
     31   case 2:
     32     r = (ILI9486_MADCTL_MY | ILI9486_MADCTL_BGR);
     33     break;
     34   case 3:
     35     r = (ILI9486_MADCTL_MY | ILI9486_MADCTL_MX | ILI9486_MADCTL_MV | ILI9486_MADCTL_BGR);
     36     break;
     37   case 4:
     38     r = (ILI9486_MADCTL_BGR);
     39     break;
     40   case 5:
     41     r = (ILI9486_MADCTL_MY | ILI9486_MADCTL_MV | ILI9486_MADCTL_BGR);
     42     break;
     43   case 6:
     44     r = (ILI9486_MADCTL_MY | ILI9486_MADCTL_MX | ILI9486_MADCTL_BGR);
     45     break;
     46   case 7:
     47     r = (ILI9486_MADCTL_MX | ILI9486_MADCTL_MV | ILI9486_MADCTL_BGR);
     48     break;
     49   default: // case 0:
     50     r = (ILI9486_MADCTL_MX | ILI9486_MADCTL_BGR);
     51     break;
     52   }
     53   _bus->beginWrite();
     54   _bus->writeC8D8(ILI9486_MADCTL, r);
     55   _bus->endWrite();
     56 }
     57 
     58 void Arduino_ILI9486::writeAddrWindow(int16_t x, int16_t y, uint16_t w, uint16_t h)
     59 {
     60   if ((x != _currentX) || (w != _currentW))
     61   {
     62     _currentX = x;
     63     _currentW = w;
     64     x += _xStart;
     65     _bus->writeC8D16D16Split(ILI9486_CASET, x, x + w - 1);
     66   }
     67   if ((y != _currentY) || (h != _currentH))
     68   {
     69     _currentY = y;
     70     _currentH = h;
     71     y += _yStart;
     72     _bus->writeC8D16D16Split(ILI9486_PASET, y, y + h - 1);
     73   }
     74 
     75   _bus->writeCommand(ILI9486_RAMWR); // write to RAM
     76 }
     77 
     78 void Arduino_ILI9486::invertDisplay(bool i)
     79 {
     80   _bus->sendCommand((_ips ^ i) ? ILI9486_INVON : ILI9486_INVOFF);
     81 }
     82 
     83 void Arduino_ILI9486::displayOn(void)
     84 {
     85   _bus->sendCommand(ILI9486_SLPOUT);
     86   delay(ILI9486_SLPOUT_DELAY);
     87 }
     88 
     89 void Arduino_ILI9486::displayOff(void)
     90 {
     91   _bus->sendCommand(ILI9486_SLPIN);
     92   delay(ILI9486_SLPIN_DELAY);
     93 }
     94 
     95 // Companion code to the above tables.  Reads and issues
     96 // a series of LCD commands stored in PROGMEM byte array.
     97 void Arduino_ILI9486::tftInit()
     98 {
     99   if (_rst != GFX_NOT_DEFINED)
    100   {
    101     pinMode(_rst, OUTPUT);
    102     digitalWrite(_rst, HIGH);
    103     delay(100);
    104     digitalWrite(_rst, LOW);
    105     delay(ILI9486_RST_DELAY);
    106     digitalWrite(_rst, HIGH);
    107     delay(ILI9486_RST_DELAY);
    108   }
    109 
    110   _bus->batchOperation(ili9486_init_operations, sizeof(ili9486_init_operations));
    111 
    112   if (_ips)
    113   {
    114     _bus->sendCommand(ILI9486_INVON);
    115   }
    116   else
    117   {
    118     _bus->sendCommand(ILI9486_INVOFF);
    119   }
    120 }