void writeData(uint8_t c)
{
SET_DC();
CLR_CS();
spiWrite(c);
SET_CS();
}
void ssd1306_data(uint8_t c)
{
// wait until tx empty flag is set
while(!(SPI0_S & SPI_S_SPTEF_MASK));
// d/c pin high for data mode.
SET_DC();
// write the command
SPI0_D = c;
}
void drawPixel(int16_t x, int16_t y, uint16_t color)
{
if(x < 0 || x >= _width || y < 0 || y >= _height) return;
setAddrWindow(x,y,x+1,y+1);
SET_DC();
CLR_CS();
spiWrite(color >> 8);
spiWrite(color);
SET_CS();
}
void initLcd(void)
{
CLR_RST();
SET_CS();
SET_DC();
delay_ms(5);
SET_RST();
delay_ms(5);
CLR_RST();
delay_ms(20);
SET_RST();
delay_ms(150);
_width = ILI9341_TFTWIDTH;
_height = ILI9341_TFTHEIGHT;
writeCommand(0xEF);
writeData(0x03);
writeData(0x80);
writeData(0x02);
writeCommand(0xCF);
writeData(0x00);
writeData(0XC1);
writeData(0X30);
writeCommand(0xED);
writeData(0x64);
writeData(0x03);
writeData(0X12);
writeData(0X81);
writeCommand(0xE8);
writeData(0x85);
writeData(0x00);
writeData(0x78);
writeCommand(0xCB);
writeData(0x39);
writeData(0x2C);
writeData(0x00);
writeData(0x34);
writeData(0x02);
writeCommand(0xF7);
writeData(0x20);
writeCommand(0xEA);
writeData(0x00);
writeData(0x00);
writeCommand(ILI9341_PWCTR1); //Power control
writeData(0x23); //VRH[5:0]
writeCommand(ILI9341_PWCTR2); //Power control
writeData(0x10); //SAP[2:0];BT[3:0]
writeCommand(ILI9341_VMCTR1); //VCM control
writeData(0x3e);
writeData(0x28);
writeCommand(ILI9341_VMCTR2); //VCM control2
writeData(0x86); //--
writeCommand(ILI9341_MADCTL); // Memory Access Control
writeData(ILI9341_MADCTL_MX | ILI9341_MADCTL_BGR);
writeCommand(ILI9341_PIXFMT);
writeData(0x55);
writeCommand(ILI9341_FRMCTR1);
writeData(0x00);
writeData(0x18);
writeCommand(ILI9341_DFUNCTR); // Display Function Control
writeData(0x08);
writeData(0x82);
writeData(0x27);
writeCommand(0xF2); // 3Gamma Function Disable
writeData(0x00);
writeCommand(ILI9341_GAMMASET); //Gamma curve selected
writeData(0x01);
writeCommand(ILI9341_GMCTRP1); //Set Gamma
writeData(0x0F);
writeData(0x31);
writeData(0x2B);
writeData(0x0C);
writeData(0x0E);
writeData(0x08);
writeData(0x4E);
writeData(0xF1);
writeData(0x37);
writeData(0x07);
writeData(0x10);
writeData(0x03);
writeData(0x0E);
writeData(0x09);
writeData(0x00);
writeCommand(ILI9341_GMCTRN1); //Set Gamma
writeData(0x00);
writeData(0x0E);
writeData(0x14);
writeData(0x03);
writeData(0x11);
writeData(0x07);
writeData(0x31);
writeData(0xC1);
writeData(0x48);
writeData(0x08);
writeData(0x0F);
writeData(0x0C);
writeData(0x31);
writeData(0x36);
writeData(0x0F);
writeCommand(ILI9341_SLPOUT); //Exit Sleep
delay_ms(120);
writeCommand(ILI9341_DISPON); //Display on
}