void setup() tft.begin(); // Set registers manually to match Image2LCD export tft.writeCommand(ILI9341_MADCTL); tft.writeData(0x48); // BGR=1, Column/Row normal
// ILI9341 init sequence 0x01, // Software reset 0x11, // Sleep out 0x36,0x48, 0x3A,0x55, ... Then your main code can loop through this sequence without writing separate register functions. However, many advanced users disable this option because their existing LCD driver already handles register setup. image2lcd register code work
void LCD_Init() // Register 0x36: Memory Access Control // Bits: MY(Mirror Y), MX(Mirror X), MV(Column/Row Swap), ML(Vertical Scroll), BGR, MH(Horizontal Refresh) write_command(0x36); write_data(0x48); // BGR=1, MX=1 (adjust based on Image2LCD scan mode) // Register 0x3A: Pixel Format Set write_command(0x3A); write_data(0x55); // 16-bit per pixel (RGB 565) void setup() tft
void LCD_DrawImage(const unsigned char* data, int width, int height) for (int i = 0; i < width * height; i++) data[i*2+1]; // if big-endian // Or swap: pixel = data[i*2] void LCD_Init() // Register 0x36: Memory Access Control