acid-drop

- Hacking the planet from a LilyGo T-Deck using custom firmware
git clone git://git.acid.vegas/acid-drop.git
ST7796_Init.h (3184B)
      1 
      2 // This is the command sequence that initialises the ST7796 driver
      3 //
      4 // This setup information uses simple 8 bit SPI writecommand() and writedata() functions
      5 //
      6 // See ST7735_Setup.h file for an alternative format
      7 
      8 #define TFT_INIT_DELAY 0
      9 {
     10 	delay(120);
     11 
     12 	writecommand(0x01); //Software reset
     13 	delay(120);
     14 
     15 	writecommand(0x11); //Sleep exit                                            
     16 	delay(120);
     17 
     18 	writecommand(0xF0); //Command Set control                                 
     19 	writedata(0xC3);    //Enable extension command 2 partI
     20 	
     21 	writecommand(0xF0); //Command Set control                                 
     22 	writedata(0x96);    //Enable extension command 2 partII
     23 	
     24 	writecommand(0x36); //Memory Data Access Control MX, MY, RGB mode                                    
     25 	writedata(0x48);    //X-Mirror, Top-Left to right-Buttom, RGB  
     26 	
     27 	writecommand(0x3A); //Interface Pixel Format                                    
     28 	writedata(0x55);    //Control interface color format set to 16
     29 	
     30 	
     31 	writecommand(0xB4); //Column inversion 
     32 	writedata(0x01);    //1-dot inversion
     33 
     34 	writecommand(0xB6); //Display Function Control
     35 	writedata(0x80);    //Bypass
     36 	writedata(0x02);    //Source Output Scan from S1 to S960, Gate Output scan from G1 to G480, scan cycle=2
     37 	writedata(0x3B);    //LCD Drive Line=8*(59+1)
     38 
     39 
     40 	writecommand(0xE8); //Display Output Ctrl Adjust
     41 	writedata(0x40);
     42 	writedata(0x8A);	
     43 	writedata(0x00);
     44 	writedata(0x00);
     45 	writedata(0x29);    //Source eqaulizing period time= 22.5 us
     46 	writedata(0x19);    //Timing for "Gate start"=25 (Tclk)
     47 	writedata(0xA5);    //Timing for "Gate End"=37 (Tclk), Gate driver EQ function ON
     48 	writedata(0x33);
     49 	
     50 	writecommand(0xC1); //Power control2                          
     51 	writedata(0x06);    //VAP(GVDD)=3.85+( vcom+vcom offset), VAN(GVCL)=-3.85+( vcom+vcom offset)
     52 	 
     53 	writecommand(0xC2); //Power control 3                                      
     54 	writedata(0xA7);    //Source driving current level=low, Gamma driving current level=High
     55 	 
     56 	writecommand(0xC5); //VCOM Control
     57 	writedata(0x18);    //VCOM=0.9
     58 
     59 	delay(120);
     60 	
     61 	//ST7796 Gamma Sequence
     62 	writecommand(0xE0); //Gamma"+"                                             
     63 	writedata(0xF0);
     64 	writedata(0x09); 
     65 	writedata(0x0b);
     66 	writedata(0x06); 
     67 	writedata(0x04);
     68 	writedata(0x15); 
     69 	writedata(0x2F);
     70 	writedata(0x54); 
     71 	writedata(0x42);
     72 	writedata(0x3C); 
     73 	writedata(0x17);
     74 	writedata(0x14);
     75 	writedata(0x18); 
     76 	writedata(0x1B); 
     77 	 
     78 	writecommand(0xE1); //Gamma"-"                                             
     79 	writedata(0xE0);
     80 	writedata(0x09); 
     81 	writedata(0x0B);
     82 	writedata(0x06); 
     83 	writedata(0x04);
     84 	writedata(0x03); 
     85 	writedata(0x2B);
     86 	writedata(0x43); 
     87 	writedata(0x42);
     88 	writedata(0x3B); 
     89 	writedata(0x16);
     90 	writedata(0x14);
     91 	writedata(0x17); 
     92 	writedata(0x1B);
     93 
     94   delay(120);
     95 	
     96 	writecommand(0xF0); //Command Set control                                 
     97 	writedata(0x3C);    //Disable extension command 2 partI
     98 
     99 	writecommand(0xF0); //Command Set control                                 
    100 	writedata(0x69);    //Disable extension command 2 partII
    101 
    102   end_tft_write();
    103   delay(120);
    104   begin_tft_write();
    105 
    106 	writecommand(0x29); //Display on                                          	
    107 }