git.rot13.org Git - Arduino/blob - TFT01-2.2SP/TFT01-2.2SP.ino

   1 /*==========================================================================
   2 The LCD connection is the same as Nokia LCD5110 and  is a“8 Bit Pant Demo“
   3
   4 Just for ElecFreaks TFT01-2.2SP, which use SPI serial port and 240x320 pixel.
   5 The driver is ILI9341.
   6
   7 by Elecfreaks
   8 ==========================================================================*/
   9 #include "pins_arduino.h"
  10
  11 #define LCD_WR    9   //SCL
  12 #define LCD_RS   10   //SDA
  13 #define LCD_DC   11   //A0
  14 #define LCD_REST 12   //RESET
  15 #define LCD_CS   13   //CSE
  16
  17 volatile uint8_t *P_SCK, *P_MOSI, *P_DC, *P_RST, *P_CS;
  18 volatile uint8_t B_SCK, B_MOSI, B_DC, B_RST, B_CS;
  19
  20 void LCD_Writ_Bus(char data)
  21 {
  22   *P_CS &= ~B_CS;
  23   for (unsigned char c=0; c<8; c++)
  24   {
  25   if (data & 0x80)
  26     *P_MOSI |= B_MOSI;
  27   else
  28     *P_MOSI &= ~B_MOSI;
  29   data = data<<1;
  30   *P_SCK &= ~B_SCK;
  31   asm ("nop");
  32   *P_SCK |= B_SCK;
  33   }
  34   *P_CS |= B_CS;
  35 }
  36
  37 void LCD_Write_COM(char VL)
  38 {
  39   digitalWrite(LCD_DC,LOW);
  40   LCD_Writ_Bus(VL);
  41 }
  42
  43 void LCD_Write_DATA(char VL)
  44 {
  45   digitalWrite(LCD_DC,HIGH);
  46   LCD_Writ_Bus(VL);
  47 }
  48
  49 void Address_set(unsigned int x1,unsigned int y1,unsigned int x2,unsigned int y2)
  50 {
  51    LCD_Write_COM(0x2a);
  52    LCD_Write_DATA(x1>>8);
  53    LCD_Write_DATA(x1);
  54    LCD_Write_DATA(x2>>8);
  55    LCD_Write_DATA(x2);
  56
  57    LCD_Write_COM(0x2b);
  58    LCD_Write_DATA(y1>>8);
  59    LCD_Write_DATA(y1);
  60    LCD_Write_DATA(y2>>8);
  61    LCD_Write_DATA(y2);
  62
  63    LCD_Write_COM(0x2C);
  64 }
  65
  66 void LCD_Init(void)
  67 {
  68         P_SCK = portOutputRegister(digitalPinToPort(LCD_WR));
  69         B_SCK = digitalPinToBitMask(LCD_WR);
  70   P_MOSI  = portOutputRegister(digitalPinToPort(LCD_RS));
  71   B_MOSI  = digitalPinToBitMask(LCD_RS);
  72   P_DC  = portOutputRegister(digitalPinToPort(LCD_DC));
  73   B_DC  = digitalPinToBitMask(LCD_DC);
  74   P_RST = portOutputRegister(digitalPinToPort(LCD_REST));
  75   B_RST = digitalPinToBitMask(LCD_REST);
  76   P_CS  = portOutputRegister(digitalPinToPort(LCD_CS));
  77   B_CS  = digitalPinToBitMask(LCD_CS);
  78
  79         *P_RST &= ~B_RST;
  80   delay(10);
  81   *P_RST |= B_RST;
  82
  83         LCD_Write_COM(0xCB);
  84         LCD_Write_DATA(0x39);
  85         LCD_Write_DATA(0x2C);
  86         LCD_Write_DATA(0x00);
  87         LCD_Write_DATA(0x34);
  88         LCD_Write_DATA(0x02);
  89
  90         LCD_Write_COM(0xCF);
  91         LCD_Write_DATA(0x00);
  92         LCD_Write_DATA(0XC1);
  93         LCD_Write_DATA(0X30);
  94
  95         LCD_Write_COM(0xE8);
  96         LCD_Write_DATA(0x85);
  97         LCD_Write_DATA(0x00);
  98         LCD_Write_DATA(0x78);
  99
 100         LCD_Write_COM(0xEA);
 101         LCD_Write_DATA(0x00);
 102         LCD_Write_DATA(0x00);
 103
 104         LCD_Write_COM(0xED);
 105         LCD_Write_DATA(0x64);
 106         LCD_Write_DATA(0x03);
 107         LCD_Write_DATA(0X12);
 108         LCD_Write_DATA(0X81);
 109
 110         LCD_Write_COM(0xF7);
 111         LCD_Write_DATA(0x20);
 112
 113         LCD_Write_COM(0xC0);    //Power control
 114         LCD_Write_DATA(0x23);   //VRH[5:0]
 115
 116         LCD_Write_COM(0xC1);    //Power control
 117         LCD_Write_DATA(0x10);   //SAP[2:0];BT[3:0]
 118
 119         LCD_Write_COM(0xC5);    //VCM control
 120         LCD_Write_DATA(0x3e);   //Contrast
 121         LCD_Write_DATA(0x28);
 122
 123         LCD_Write_COM(0xC7);    //VCM control2
 124         LCD_Write_DATA(0x86);   //--
 125
 126         LCD_Write_COM(0x36);    // Memory Access Control
 127         LCD_Write_DATA(0x48);   //C8     //48 68竖屏//28 E8 横屏
 128
 129         LCD_Write_COM(0x3A);
 130         LCD_Write_DATA(0x55);
 131
 132         LCD_Write_COM(0xB1);
 133         LCD_Write_DATA(0x00);
 134         LCD_Write_DATA(0x18);
 135
 136         LCD_Write_COM(0xB6);    // Display Function Control
 137         LCD_Write_DATA(0x08);
 138         LCD_Write_DATA(0x82);
 139         LCD_Write_DATA(0x27);
 140 /*
 141         LCD_Write_COM(0xF2);    // 3Gamma Function Disable
 142         LCD_Write_DATA(0x00);
 143
 144         LCD_Write_COM(0x26);    //Gamma curve selected
 145         LCD_Write_DATA(0x01);
 146
 147         LCD_Write_COM(0xE0);    //Set Gamma
 148         LCD_Write_DATA(0x0F);
 149         LCD_Write_DATA(0x31);
 150         LCD_Write_DATA(0x2B);
 151         LCD_Write_DATA(0x0C);
 152         LCD_Write_DATA(0x0E);
 153         LCD_Write_DATA(0x08);
 154         LCD_Write_DATA(0x4E);
 155         LCD_Write_DATA(0xF1);
 156         LCD_Write_DATA(0x37);
 157         LCD_Write_DATA(0x07);
 158         LCD_Write_DATA(0x10);
 159         LCD_Write_DATA(0x03);
 160         LCD_Write_DATA(0x0E);
 161         LCD_Write_DATA(0x09);
 162         LCD_Write_DATA(0x00);
 163
 164         LCD_Write_COM(0XE1);    //Set Gamma
 165         LCD_Write_DATA(0x00);
 166         LCD_Write_DATA(0x0E);
 167         LCD_Write_DATA(0x14);
 168         LCD_Write_DATA(0x03);
 169         LCD_Write_DATA(0x11);
 170         LCD_Write_DATA(0x07);
 171         LCD_Write_DATA(0x31);
 172         LCD_Write_DATA(0xC1);
 173         LCD_Write_DATA(0x48);
 174         LCD_Write_DATA(0x08);
 175         LCD_Write_DATA(0x0F);
 176         LCD_Write_DATA(0x0C);
 177         LCD_Write_DATA(0x31);
 178         LCD_Write_DATA(0x36);
 179         LCD_Write_DATA(0x0F);
 180 */
 181         LCD_Write_COM(0x11);    //Exit Sleep
 182         delay(120);
 183
 184         LCD_Write_COM(0x29);    //Display on
 185         LCD_Write_COM(0x2c);
 186 }
 187
 188 void Pant(char VL)
 189 {
 190   int i,j;
 191   Address_set(0,0,240,320);
 192   for(i=0;i<320;i++)
 193   {
 194     for (j=0;j<480;j++)
 195     {
 196       LCD_Write_DATA(VL);
 197     }
 198   }
 199 }
 200
 201 void setup()
 202 {
 203   unsigned char p;
 204   for(p=8;p<14;p++)
 205     pinMode(p,OUTPUT);
 206   LCD_Init();
 207 }
 208
 209 void loop()
 210 {
 211   Pant(0xFF);
 212   Pant(0xF0);
 213   Pant(0xE0);
 214   Pant(0x05);
 215   Pant(0x1F);
 216   Pant(0x00);
 217 }
 218
 219