// This is the command sequence that initialises the ST7735 driver // // This setup information is in a format accepted by the commandList() function // which reduces FLASH space, but on an ESP8266 there is plenty available! // // See ILI9341_Setup.h file for an alternative simpler format { // Initialization commands for ST7735 screens static const uint8_t PROGMEM Bcmd[] = { // Initialization commands for 7735B screens 18, // 18 commands in list: ST7735_SWRESET, TFT_INIT_DELAY, // 1: Software reset, no args, w/delay 50, // 50 ms delay ST7735_SLPOUT, TFT_INIT_DELAY, // 2: Out of sleep mode, no args, w/delay 255, // 255 = 500 ms delay ST7735_COLMOD, 1 + TFT_INIT_DELAY, // 3: Set color mode, 1 arg + delay: 0x05, // 16-bit color 10, // 10 ms delay ST7735_FRMCTR1, 3 + TFT_INIT_DELAY, // 4: Frame rate control, 3 args + delay: 0x00, // fastest refresh 0x06, // 6 lines front porch 0x03, // 3 lines back porch 10, // 10 ms delay ST7735_MADCTL, 1, // 5: Memory access ctrl (directions), 1 arg: 0x40, // Row addr/col addr, bottom to top refresh ST7735_DISSET5, 2, // 6: Display settings #5, 2 args, no delay: 0x15, // 1 clk cycle nonoverlap, 2 cycle gate // rise, 3 cycle osc equalize 0x02, // Fix on VTL ST7735_INVCTR, 1, // 7: Display inversion control, 1 arg: 0x0, // Line inversion ST7735_PWCTR1, 2 + TFT_INIT_DELAY, // 8: Power control, 2 args + delay: 0x02, // GVDD = 4.7V 0x70, // 1.0uA 10, // 10 ms delay ST7735_PWCTR2, 1, // 9: Power control, 1 arg, no delay: 0x05, // VGH = 14.7V, VGL = -7.35V ST7735_PWCTR3, 2, // 10: Power control, 2 args, no delay: 0x01, // Opamp current small 0x02, // Boost frequency ST7735_VMCTR1, 2 + TFT_INIT_DELAY, // 11: Power control, 2 args + delay: 0x3C, // VCOMH = 4V 0x38, // VCOML = -1.1V 10, // 10 ms delay ST7735_PWCTR6, 2, // 12: Power control, 2 args, no delay: 0x11, 0x15, ST7735_GMCTRP1, 16, // 13: Magical unicorn dust, 16 args, no delay: 0x09, 0x16, 0x09, 0x20, // (seriously though, not sure what 0x21, 0x1B, 0x13, 0x19, // these config values represent) 0x17, 0x15, 0x1E, 0x2B, 0x04, 0x05, 0x02, 0x0E, ST7735_GMCTRN1, 16 + TFT_INIT_DELAY, // 14: Sparkles and rainbows, 16 args + delay: 0x0B, 0x14, 0x08, 0x1E, // (ditto) 0x22, 0x1D, 0x18, 0x1E, 0x1B, 0x1A, 0x24, 0x2B, 0x06, 0x06, 0x02, 0x0F, 10, // 10 ms delay ST7735_CASET, 4, // 15: Column addr set, 4 args, no delay: 0x00, 0x02, // XSTART = 2 0x00, 0x81, // XEND = 129 ST7735_RASET, 4, // 16: Row addr set, 4 args, no delay: 0x00, 0x02, // XSTART = 1 0x00, 0x81, // XEND = 160 ST7735_NORON, TFT_INIT_DELAY, // 17: Normal display on, no args, w/delay 10, // 10 ms delay ST7735_DISPON, TFT_INIT_DELAY, // 18: Main screen turn on, no args, w/delay 255}, // 255 = 500 ms delay Rcmd1[] = { // Init for 7735R, part 1 (red or green tab) 18, // 15 commands in list: ST7735_SWRESET, TFT_INIT_DELAY, // 1: Software reset, 0 args, w/delay 150, // 150 ms delay ST7735_SLPOUT, TFT_INIT_DELAY, // 2: Out of sleep mode, 0 args, w/delay 120, // 500 ms delay ST7735_FRMCTR1, 3, // 3: Frame rate ctrl - normal mode, 3 args: 0x05, 0x3C, 0x3C, // Rate = fosc/(1x2+40) * (LINE+2C+2D) ST7735_FRMCTR2, 3, // 4: Frame rate control - idle mode, 3 args: 0x05, 0x3C, 0x3C, // Rate = fosc/(1x2+40) * (LINE+2C+2D) ST7735_FRMCTR3, 6, // 5: Frame rate ctrl - partial mode, 6 args: 0x05, 0x3C, 0x3C, // Dot inversion mode 0x05, 0x3C, 0x3C, // Line inversion mode ST7735_INVCTR, 2, // 6: Display inversion ctrl, 1 arg, no delay: 0x03, 0x02, // No inversion ST7735_PWCTR1, 3, // 7: Power control, 3 args, no delay: 0xA4, 0x04, // -4.6V 0x84, // AUTO mode ST7735_PWCTR2, 1, // 8: Power control, 1 arg, no delay: 0xC5, // VGH25 = 2.4C VGSEL = -10 VGH = 3 * AVDD ST7735_PWCTR3, 2, // 9: Power control, 2 args, no delay: 0x0D, // Opamp current small 0x00, // Boost frequency ST7735_PWCTR4, 2, // 10: Power control, 2 args, no delay: 0x8D, // BCLK/2, Opamp current small & Medium low 0x6A, ST7735_PWCTR5, 2, // 11: Power control, 2 args, no delay: 0x8D, 0xEE, ST7735_VMCTR1, 1, // 12: Power control, 1 arg, no delay: 0x21, ST7735_PWCTR6, 1, 0x80, 0xf0, 1, 0x11, 0xD6, 1, 0xCB, ST7735_INVOFF, 0, // 13: Don't invert display, no args, no delay ST7735_MADCTL, 1, // 14: Memory access control (directions), 1 arg: 0xC8, // row addr/col addr, bottom to top refresh ST7735_COLMOD, 1, // 15: set color mode, 1 arg, no delay: 0x05}, // 16-bit color Rcmd2green[] = { // Init for 7735R, part 2 (green tab only) 2, // 2 commands in list: ST7735_CASET, 4, // 1: Column addr set, 4 args, no delay: 0x00, 0x02, // XSTART = 0 0x00, 0x7F + 0x02, // XEND = 127 ST7735_RASET, 4, // 2: Row addr set, 4 args, no delay: 0x00, 0x01, // XSTART = 0 0x00, 0x9F + 0x01}, // XEND = 159 Rcmd2red[] = { // Init for 7735R, part 2 (red tab only) 2, // 2 commands in list: ST7735_CASET, 4, // 1: Column addr set, 4 args, no delay: 0x00, 0x00, // XSTART = 0 0x00, 0x7F, // XEND = 127 ST7735_RASET, 4, // 2: Row addr set, 4 args, no delay: 0x00, 0x00, // XSTART = 0 0x00, 0x9F}, // XEND = 159 Rcmd3[] = { // Init for 7735R, part 3 (red or green tab) 4, // 4 commands in list: ST7735_GMCTRP1, 16, // 1: 16 args, no delay: 0x0D, 0x0C, 0x0C, 0x0E, 0x0E, 0x00, 0x00, 0x00, 0x00, 0x09, 0x23, 0x31, 0x00, 0x0C, 0x03, 0x1A, ST7735_GMCTRN1, 16, // 2: 16 args, no delay: 0x0A, 0x05, 0x06, 0x07, 0x08, 0x01, 0x00, 0x00, 0x00, 0x05, 0x20, 0x2E, 0x00, 0x0A, 0x01, 0x1A, ST7735_NORON, TFT_INIT_DELAY, // 3: Normal display on, no args, w/delay 10, // 10 ms delay ST7735_DISPON, TFT_INIT_DELAY, // 4: Main screen turn on, no args w/delay 100}; // 100 ms delay if (tabcolor == INITB) { commandList(Bcmd); } else { commandList(Rcmd1); if (tabcolor == INITR_GREENTAB) { commandList(Rcmd2green); colstart = 2; rowstart = 1; } else if (tabcolor == INITR_GREENTAB2) { commandList(Rcmd2green); writecommand(ST7735_MADCTL); writedata(0xC0); colstart = 2; rowstart = 1; } else if (tabcolor == INITR_GREENTAB3) { commandList(Rcmd2green); colstart = 2; rowstart = 3; } else if (tabcolor == INITR_GREENTAB128) { commandList(Rcmd2green); colstart = 0; rowstart = 32; } else if (tabcolor == INITR_GREENTAB160x80) { commandList(Rcmd2green); writecommand(TFT_INVON); colstart = 26; rowstart = 1; } else if (tabcolor == INITR_REDTAB160x80) { commandList(Rcmd2green); colstart = 24; rowstart = 0; } else if (tabcolor == INITR_REDTAB) { commandList(Rcmd2red); } else if (tabcolor == INITR_BLACKTAB) { writecommand(ST7735_MADCTL); writedata(0xC0); } commandList(Rcmd3); } }