acid-drop

- Hacking the planet from a LilyGo T-Deck using custom firmware
git clone git://git.acid.vegas/acid-drop.git
Arduino_ILI9225.cpp (3358B)
      1 /*
      2  * start rewrite from:
      3  * https://github.com/adafruit/Adafruit-GFX-Library.git
      4  * https://github.com/lcdwiki/LCDWIKI_SPI
      5  */
      6 #include "Arduino_ILI9225.h"
      7 
      8 Arduino_ILI9225::Arduino_ILI9225(Arduino_DataBus *bus, int8_t rst, uint8_t r)
      9     : Arduino_TFT(bus, rst, r, false, ILI9225_TFTWIDTH, ILI9225_TFTHEIGHT, 0, 0, 0, 0)
     10 {
     11 }
     12 
     13 bool Arduino_ILI9225::begin(int32_t speed)
     14 {
     15   return Arduino_TFT::begin(speed);
     16 }
     17 
     18 /**************************************************************************/
     19 /*!
     20     @brief   Set origin of (0,0) and orientation of TFT display
     21     @param   m  The index for rotation, from 0-3 inclusive
     22 */
     23 /**************************************************************************/
     24 void Arduino_ILI9225::setRotation(uint8_t r)
     25 {
     26   Arduino_TFT::setRotation(r);
     27   _bus->beginWrite();
     28   switch (_rotation)
     29   {
     30   case 3:
     31     _bus->writeC8D16(ILI9225_DRIVER_OUTPUT_CTRL, 0x031C);
     32     _bus->writeC8D16(ILI9225_ENTRY_MODE, 0x1038);
     33     break;
     34   case 2:
     35     _bus->writeC8D16(ILI9225_DRIVER_OUTPUT_CTRL, 0x021C);
     36     _bus->writeC8D16(ILI9225_ENTRY_MODE, 0x1030);
     37     break;
     38   case 1:
     39     _bus->writeC8D16(ILI9225_DRIVER_OUTPUT_CTRL, 0x001C);
     40     _bus->writeC8D16(ILI9225_ENTRY_MODE, 0x1038);
     41     break;
     42   default: // case 0:
     43     _bus->writeC8D16(ILI9225_DRIVER_OUTPUT_CTRL, 0x011C);
     44     _bus->writeC8D16(ILI9225_ENTRY_MODE, 0x1030);
     45     break;
     46   }
     47   _bus->endWrite();
     48 }
     49 
     50 void Arduino_ILI9225::writeAddrWindow(int16_t x, int16_t y, uint16_t w, uint16_t h)
     51 {
     52   uint8_t cmd1, cmd2, cmd3;
     53 
     54   if ((x != _currentX) || (w != _currentW))
     55   {
     56     _currentX = x;
     57     _currentW = w;
     58     x += _xStart;
     59     if (_rotation & 0x01) // Landscape
     60     {
     61       cmd1 = ILI9225_VERTICAL_WINDOW_ADDR2;
     62       cmd2 = ILI9225_VERTICAL_WINDOW_ADDR1;
     63       cmd3 = ILI9225_RAM_ADDR_SET2;
     64     }
     65     else
     66     {
     67       cmd1 = ILI9225_HORIZONTAL_WINDOW_ADDR2;
     68       cmd2 = ILI9225_HORIZONTAL_WINDOW_ADDR1;
     69       cmd3 = ILI9225_RAM_ADDR_SET1;
     70     }
     71     _bus->writeC8D16(cmd1, x);
     72     _bus->writeC8D16(cmd2, x + w - 1);
     73     _bus->writeC8D16(cmd3, x);
     74   }
     75   if ((y != _currentY) || (h != _currentH))
     76   {
     77     _currentY = y;
     78     _currentH = h;
     79     y += _yStart;
     80     if (_rotation & 0x01) // Landscape
     81     {
     82       cmd1 = ILI9225_HORIZONTAL_WINDOW_ADDR2;
     83       cmd2 = ILI9225_HORIZONTAL_WINDOW_ADDR1;
     84       cmd3 = ILI9225_RAM_ADDR_SET1;
     85     }
     86     else
     87     {
     88       cmd1 = ILI9225_VERTICAL_WINDOW_ADDR2;
     89       cmd2 = ILI9225_VERTICAL_WINDOW_ADDR1;
     90       cmd3 = ILI9225_RAM_ADDR_SET2;
     91     }
     92     _bus->writeC8D16(cmd1, y);
     93     _bus->writeC8D16(cmd2, y + h - 1);
     94     _bus->writeC8D16(cmd3, y);
     95   }
     96 
     97   _bus->writeCommand(ILI9225_GRAM_DATA_REG); // write to RAM
     98 }
     99 
    100 void Arduino_ILI9225::invertDisplay(bool i)
    101 {
    102   // Not Implemented
    103   UNUSED(i);
    104 }
    105 
    106 void Arduino_ILI9225::displayOn(void)
    107 {
    108   _bus->sendCommand(ILI9225_POWER_CTRL1);
    109   _bus->sendData16(0x0800); // Set SAP,DSTB,STB
    110 }
    111 
    112 void Arduino_ILI9225::displayOff(void)
    113 {
    114   _bus->sendCommand(ILI9225_POWER_CTRL1);
    115   _bus->sendData16(0x0801); // Set SAP,DSTB,STB
    116 }
    117 
    118 void Arduino_ILI9225::tftInit()
    119 {
    120   if (_rst != GFX_NOT_DEFINED)
    121   {
    122     pinMode(_rst, OUTPUT);
    123     digitalWrite(_rst, HIGH);
    124     delay(100);
    125     digitalWrite(_rst, LOW);
    126     delay(ILI9225_RST_DELAY);
    127     digitalWrite(_rst, HIGH);
    128     delay(ILI9225_RST_DELAY);
    129   }
    130   else
    131   {
    132     // Software Rest
    133   }
    134 
    135   _bus->batchOperation(ili9225_init_operations, sizeof(ili9225_init_operations));
    136 }