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 // Arduino ProMini pinout
  12 // MISO - D12 not connected
  13 // LCD  - VCC
  14 // SCLK - D8
  15 // MOSI - D9
  16 // DC   - D10
  17 // RST  - D11
  18 // CS   - D12
  19 // GND  - GND
  20 // VCC  - 3.3V
  21
  22 #define LCD_SCK   8
  23 #define LCD_MOSI  9
  24 #define LCD_DC   10
  25 #define LCD_REST 11
  26 #define LCD_CS   12
  27
  28 volatile uint8_t *P_SCK, *P_MOSI, *P_DC, *P_RST, *P_CS;
  29 volatile uint8_t B_SCK, B_MOSI, B_DC, B_RST, B_CS;
  30
  31 void LCD_Writ_Bus(char data)
  32 {
  33   *P_CS &= ~B_CS;
  34   for (unsigned char c=0; c<8; c++)
  35   {
  36   if (data & 0x80)
  37     *P_MOSI |= B_MOSI;
  38   else
  39     *P_MOSI &= ~B_MOSI;
  40   data = data<<1;
  41   *P_SCK &= ~B_SCK;
  42   asm ("nop");
  43   *P_SCK |= B_SCK;
  44   }
  45   *P_CS |= B_CS;
  46 }
  47
  48 void LCD_Write_COM(char VL)
  49 {
  50   digitalWrite(LCD_DC,LOW);
  51   LCD_Writ_Bus(VL);
  52 }
  53
  54 void LCD_Write_DATA(char VL)
  55 {
  56   digitalWrite(LCD_DC,HIGH);
  57   LCD_Writ_Bus(VL);
  58 }
  59
  60 void Address_set(unsigned int x1,unsigned int y1,unsigned int x2,unsigned int y2)
  61 {
  62    LCD_Write_COM(0x2a);
  63    LCD_Write_DATA(x1>>8);
  64    LCD_Write_DATA(x1);
  65    LCD_Write_DATA(x2>>8);
  66    LCD_Write_DATA(x2);
  67
  68    LCD_Write_COM(0x2b);
  69    LCD_Write_DATA(y1>>8);
  70    LCD_Write_DATA(y1);
  71    LCD_Write_DATA(y2>>8);
  72    LCD_Write_DATA(y2);
  73
  74    LCD_Write_COM(0x2C);
  75 }
  76
  77 void LCD_Init(void)
  78 {
  79   P_SCK = portOutputRegister(digitalPinToPort(LCD_SCK));
  80   B_SCK = digitalPinToBitMask(LCD_SCK);
  81   P_MOSI  = portOutputRegister(digitalPinToPort(LCD_MOSI));
  82   B_MOSI  = digitalPinToBitMask(LCD_MOSI);
  83   P_DC  = portOutputRegister(digitalPinToPort(LCD_DC));
  84   B_DC  = digitalPinToBitMask(LCD_DC);
  85   P_RST = portOutputRegister(digitalPinToPort(LCD_REST));
  86   B_RST = digitalPinToBitMask(LCD_REST);
  87   P_CS  = portOutputRegister(digitalPinToPort(LCD_CS));
  88   B_CS  = digitalPinToBitMask(LCD_CS);
  89
  90         *P_RST &= ~B_RST;
  91   delay(10);
  92   *P_RST |= B_RST;
  93
  94         LCD_Write_COM(0xCB);
  95         LCD_Write_DATA(0x39);
  96         LCD_Write_DATA(0x2C);
  97         LCD_Write_DATA(0x00);
  98         LCD_Write_DATA(0x34);
  99         LCD_Write_DATA(0x02);
 100
 101         LCD_Write_COM(0xCF);
 102         LCD_Write_DATA(0x00);
 103         LCD_Write_DATA(0XC1);
 104         LCD_Write_DATA(0X30);
 105
 106         LCD_Write_COM(0xE8);
 107         LCD_Write_DATA(0x85);
 108         LCD_Write_DATA(0x00);
 109         LCD_Write_DATA(0x78);
 110
 111         LCD_Write_COM(0xEA);
 112         LCD_Write_DATA(0x00);
 113         LCD_Write_DATA(0x00);
 114
 115         LCD_Write_COM(0xED);
 116         LCD_Write_DATA(0x64);
 117         LCD_Write_DATA(0x03);
 118         LCD_Write_DATA(0X12);
 119         LCD_Write_DATA(0X81);
 120
 121         LCD_Write_COM(0xF7);
 122         LCD_Write_DATA(0x20);
 123
 124         LCD_Write_COM(0xC0);    //Power control
 125         LCD_Write_DATA(0x23);   //VRH[5:0]
 126
 127         LCD_Write_COM(0xC1);    //Power control
 128         LCD_Write_DATA(0x10);   //SAP[2:0];BT[3:0]
 129
 130         LCD_Write_COM(0xC5);    //VCM control
 131         LCD_Write_DATA(0x3e);   //Contrast
 132         LCD_Write_DATA(0x28);
 133
 134         LCD_Write_COM(0xC7);    //VCM control2
 135         LCD_Write_DATA(0x86);   //--
 136
 137         LCD_Write_COM(0x36);    // Memory Access Control
 138         LCD_Write_DATA(0x48);   //C8     //48 68竖屏//28 E8 横屏
 139
 140         LCD_Write_COM(0x3A);
 141         LCD_Write_DATA(0x55);
 142
 143         LCD_Write_COM(0xB1);
 144         LCD_Write_DATA(0x00);
 145         LCD_Write_DATA(0x18);
 146
 147         LCD_Write_COM(0xB6);    // Display Function Control
 148         LCD_Write_DATA(0x08);
 149         LCD_Write_DATA(0x82);
 150         LCD_Write_DATA(0x27);
 151 /*
 152         LCD_Write_COM(0xF2);    // 3Gamma Function Disable
 153         LCD_Write_DATA(0x00);
 154
 155         LCD_Write_COM(0x26);    //Gamma curve selected
 156         LCD_Write_DATA(0x01);
 157
 158         LCD_Write_COM(0xE0);    //Set Gamma
 159         LCD_Write_DATA(0x0F);
 160         LCD_Write_DATA(0x31);
 161         LCD_Write_DATA(0x2B);
 162         LCD_Write_DATA(0x0C);
 163         LCD_Write_DATA(0x0E);
 164         LCD_Write_DATA(0x08);
 165         LCD_Write_DATA(0x4E);
 166         LCD_Write_DATA(0xF1);
 167         LCD_Write_DATA(0x37);
 168         LCD_Write_DATA(0x07);
 169         LCD_Write_DATA(0x10);
 170         LCD_Write_DATA(0x03);
 171         LCD_Write_DATA(0x0E);
 172         LCD_Write_DATA(0x09);
 173         LCD_Write_DATA(0x00);
 174
 175         LCD_Write_COM(0XE1);    //Set Gamma
 176         LCD_Write_DATA(0x00);
 177         LCD_Write_DATA(0x0E);
 178         LCD_Write_DATA(0x14);
 179         LCD_Write_DATA(0x03);
 180         LCD_Write_DATA(0x11);
 181         LCD_Write_DATA(0x07);
 182         LCD_Write_DATA(0x31);
 183         LCD_Write_DATA(0xC1);
 184         LCD_Write_DATA(0x48);
 185         LCD_Write_DATA(0x08);
 186         LCD_Write_DATA(0x0F);
 187         LCD_Write_DATA(0x0C);
 188         LCD_Write_DATA(0x31);
 189         LCD_Write_DATA(0x36);
 190         LCD_Write_DATA(0x0F);
 191 */
 192         LCD_Write_COM(0x11);    //Exit Sleep
 193         delay(120);
 194
 195         LCD_Write_COM(0x29);    //Display on
 196         LCD_Write_COM(0x2c);
 197 }
 198
 199 void Pant(char VL)
 200 {
 201   int i,j;
 202   Address_set(0,0,240,320);
 203   for(i=0;i<320;i++)
 204   {
 205     for (j=0;j<480;j++)
 206     {
 207       LCD_Write_DATA(VL);
 208     }
 209   }
 210 }
 211
 212 void setup()
 213 {
 214   unsigned char p;
 215   for(p=8;p<14;p++)
 216     pinMode(p,OUTPUT);
 217   LCD_Init();
 218 }
 219
 220 void loop()
 221 {
 222   Pant(0xFF);
 223   Pant(0xF0);
 224   Pant(0xE0);
 225   Pant(0x05);
 226   Pant(0x1F);
 227   Pant(0x00);
 228 }
 229
 230