Add initial Lilygo T-RGB-2.8 support

src/drv/tft/tft_driver_arduinogfx.cpp

@@ -8,7 +8,132 @@
 #include "Arduino_RGBPanel_mod.h"
 #include "Arduino_RGB_Display_mod.h"
 #include "Arduino_PCA9535SWSPI.h"
-
+#if defined(ST7701_TRGB_28)
+/* sequence from the T-RGB 2.8 SDK */
+const uint8_t st7701_type9_init_operations_trgb28[297] = {
+    BEGIN_WRITE,
+
+    WRITE_COMMAND_8, 0xFF,
+    WRITE_BYTES, 5, 0x77, 0x01, 0x00, 0x00, 0x13,
+
+    WRITE_C8_D8, 0xEF, 0x08,
+
+    WRITE_COMMAND_8, 0xFF,
+    WRITE_BYTES, 5, 0x77, 0x01, 0x00, 0x00, 0x10,
+
+    WRITE_C8_D16, 0xC0, 0x3B, 0x00,
+    WRITE_C8_D16, 0xC1, 0x10, 0x0C,
+    WRITE_C8_D16, 0xC2, 0x07, 0x0A,
+    WRITE_C8_D8, 0xC7, 0x00,
+    WRITE_C8_D8, 0xC7, 0x10,
+    WRITE_C8_D8, 0xCD, 0x08,
+
+    WRITE_COMMAND_8, 0xB0, // Positive Voltage Gamma Control
+    WRITE_BYTES, 16,
+    0x05, 0x12, 0x98, 0x0e, 0x0F,
+    0x07, 0x07, 0x09, 0x09, 0x23,
+    0x05, 0x52, 0x0F, 0x67, 0x2C,
+    0x11,
+
+
+
+    WRITE_COMMAND_8, 0xB1, // Negative Voltage Gamma Control
+    WRITE_BYTES, 16,
+    0x0B, 0x11, 0x97, 0x0C, 0x12,
+    0x06, 0x06, 0x08, 0x08, 0x22,
+    0x03, 0x51, 0x11, 0x66, 0x2B,
+    0x0F,
+
+    WRITE_COMMAND_8, 0xFF,
+    WRITE_BYTES, 5, 0x77, 0x01, 0x00, 0x00, 0x11,
+
+    WRITE_C8_D8, 0xB0, 0x5D,
+    WRITE_C8_D8, 0xB1, 0x2D,
+    WRITE_C8_D8, 0xB2, 0x81,
+    WRITE_C8_D8, 0xB3, 0x80,
+    WRITE_C8_D8, 0xB5, 0x4E,
+    WRITE_C8_D8, 0xB7, 0x85,
+    WRITE_C8_D8, 0xB8, 0x20,
+    WRITE_C8_D8, 0xC1, 0x78,
+    WRITE_C8_D8, 0xC2, 0x78,
+
+    WRITE_C8_D8, 0xD0, 0x88,
+
+    WRITE_COMMAND_8, 0xE0,
+    WRITE_BYTES, 4,
+    0x00, 0x00, 0x02,
+
+    WRITE_COMMAND_8, 0xE1,
+    WRITE_BYTES, 16,
+    0x06, 0x30, 0x08, 0x30, 0x05,
+    0x30, 0x07, 0x30, 0x00, 0x33,
+    0x33,
+
+    WRITE_COMMAND_8, 0xE2,
+    WRITE_BYTES, 16,
+    0x11, 0x11, 0x33, 0x33, 0xf4,
+    0x00, 0x00, 0x00, 0xf4, 0x00,
+    0x00, 0x00,
+
+    WRITE_COMMAND_8, 0xE3,
+    WRITE_BYTES, 4, 0x00, 0x00, 0x11, 0x11,
+
+    WRITE_C8_D16, 0xE4, 0x44, 0x44,
+
+    WRITE_COMMAND_8, 0xE5,
+    WRITE_BYTES, 16,
+    0x0d, 0xf5, 0x30, 0xf0, 0x0f,
+    0xf7, 0x30, 0xf0, 0x09, 0xf1,
+    0x30, 0xf0, 0x0b, 0xf3, 0x30, 0xf0,
+
+    WRITE_COMMAND_8, 0xE6,
+    WRITE_BYTES, 4, 0x00, 0x00, 0x11, 0x11,
+
+    WRITE_C8_D16, 0xE7, 0x44, 0x44,
+
+    WRITE_COMMAND_8, 0xE8,
+    WRITE_BYTES, 16,
+    0x0c, 0xf4, 0x30, 0xf0,
+    0x0e, 0xf6, 0x30, 0xf0,
+    0x08, 0xf0, 0x30, 0xf0,
+    0x0a, 0xf2, 0x30, 0xf0,
+
+    WRITE_C8_D8, 0xe9, 0x36,
+
+    WRITE_COMMAND_8, 0xEB,
+    WRITE_BYTES, 7,
+    0x00, 0x01, 0xe4, 0xe4,
+    0x44, 0x88, 0x40,
+
+    WRITE_COMMAND_8, 0xED,
+    WRITE_BYTES, 16,
+    0xff, 0x10, 0xaf, 0x76,
+    0x54, 0x2b, 0xcf, 0xff,
+    0xff, 0xfc, 0xb2, 0x45,
+    0x67, 0xfa, 0x01, 0xff,
+
+    WRITE_COMMAND_8, 0xEF,
+    WRITE_BYTES, 6,
+    0x08, 0x08, 0x08, 0x45,
+    0x3f, 0x54,
+
+    WRITE_COMMAND_8, 0xFF,
+    WRITE_BYTES, 5, 0x77, 0x01, 0x00, 0x00, 0x00,
+
+    WRITE_COMMAND_8, 0x11, // Sleep Out
+    END_WRITE,
+
+    DELAY, 150,
+
+    BEGIN_WRITE,
+    WRITE_C8_D8, 0x3A, 0x66,
+    WRITE_C8_D8, 0x36, 0x08,
+    WRITE_C8_D8, 0x35, 0x00,
+    WRITE_COMMAND_8, 0x29, // Display On
+    END_WRITE,
+    DELAY, 20
+};
+#endif
 namespace dev {
 
 void tftPinInfo(const __FlashStringHelper* pinfunction, int8_t pin)
@@ -106,6 +231,36 @@ void ArduinoGfx::init(int w, int h)
                                   st7701_4848S040_init_operations, sizeof(st7701_4848S040_init_operations));
     tft->begin(GFX_NOT_DEFINED); // Used for RFB displays
 
+
+#elif(TFT_WIDTH == 480) && (TFT_HEIGHT == 480) && defined(ST7701_DRIVER) && defined(ST7701_TRGB_28)
+    /* SPI to the TFT is done over an I2C port expander */
+    Wire.begin(8 /* SDA */, 48 /* SCL */, 800000L /* speed */);
+    Arduino_XL9535SWSPI *bus = new Arduino_XL9535SWSPI(8 /* SDA */, 48 /* SCL */, 2 /* XL PWD */, 3 /* XL CS */, 5 /* XL SCK */, 4 /* XL MOSI */);
+
+    Arduino_ESP32RGBPanel *rgbpanel = new Arduino_ESP32RGBPanel(
+    45 /* DE */, 41 /* VSYNC */, 47 /* HSYNC */, 42 /* PCLK */,
+    21 /* R0 */, 18 /* R1 */, 17 /* R2 */, 16 /* R3 */, 15 /* R4 */,
+    14 /* G0 */, 13 /* G1 */, 12 /* G2 */, 11 /* G3 */, 10 /* G4 */, 9 /* G5 */,
+    7 /* B0 */, 6 /* B1 */, 5 /* B2 */, 3 /* B3 */, 2 /* B4 */,
+    1 /* hsync_polarity */, 50 /* hsync_front_porch */, 1 /* hsync_pulse_width */, 30 /* hsync_back_porch */,
+    1 /* vsync_polarity */, 20 /* vsync_front_porch */, 1 /* vsync_pulse_width */, 30 /* vsync_back_porch */,
+    1 /* pclk_active_neg */);
+
+    tft = new Arduino_RGB_Display(
+        480 /* width */, 480 /* height */, rgbpanel, 0 /* rotation */, true /* auto_flush */,
+        bus, GFX_NOT_DEFINED /* RST */, st7701_type9_init_operations_trgb28, sizeof(st7701_type9_init_operations_trgb28));
+
+    // reset sequence from T-RGB SDK
+    const uint8_t reset = 1;
+    bus->begin(); // will be repeated by Arduino_RGB_Display::begin(), checked this is safe at the time of writing
+    bus->pinMode(reset, OUTPUT);
+    bus->digitalWrite(reset, LOW);
+    delay(20);
+    bus->digitalWrite(reset, HIGH);
+    delay(10);
+
+    tft->begin(GFX_NOT_DEFINED); // Used for RFB displays
+
 #elif(TFT_WIDTH == 480) && (TFT_HEIGHT == 480) && defined(ST7701_DRIVER)
     /* More data bus class: https://github.com/moononournation/Arduino_GFX/wiki/Data-Bus-Class */
     Arduino_DataBus* bus            = new Arduino_SWSPI(TFT_DC, TFT_CS, TFT_SCLK, TFT_MOSI, TFT_MISO);
@@ -494,4 +649,4 @@ uint32_t ArduinoGfx::get_tft_driver()
 } // namespace dev
 
 dev::ArduinoGfx haspTft;
-#endif
+#endif

user_setups/esp32s3/esp32-s3-lilygo-t-rgb-2.8.ini

@@ -0,0 +1,92 @@
+;***************************************************;
+; Lilygo T-RGB 2.8                                  ;
+;           - Custom esp32-s3 board                 ;
+;           - round st7701s TFT                     ;
+;           - TFT SPI control is over I2C expander  ;
+;           - gt911 touch controller                ;
+;***************************************************;
+
+[esp32-s3-lilygo-t-rgb-28]
+extends = arduino_esp32s3_v2
+board = esp32-s3-devkitc-1
+board_build.arduino.memory_type = qio_opi
+
+build_flags =
+    -D HASP_MODEL="ESP32-S3 T-RGB-2.8"
+    ${arduino_esp32s3_v2.build_flags}
+    ${esp32s3.ps_ram}
+;    -DARDUINO_USB_CDC_ON_BOOT
+;    -DUSE_USB_CDC_CONSOLE
+
+;region -- ArduinoGFX build options ------------------------
+    -D HASP_USE_ARDUINOGFX=1
+    -D ST7701_DRIVER=1
+    -D ST7701_TRGB_28=1
+    -D TFT_WIDTH=480
+    -D TFT_HEIGHT=480
+    ; Bus Settings
+    -D TFT_CS=-1
+    -D TFT_SCLK=-1
+    -D TFT_MOSI=-1
+    -D TFT_DE=45
+    -D TFT_VSYNC=41
+    -D TFT_HSYNC=47
+    -D TFT_PCLK=42
+    -D TFT_R0=21
+    -D TFT_R1=18
+    -D TFT_R2=17
+    -D TFT_R3=16
+    -D TFT_R4=15
+    -D TFT_G0=14
+    -D TFT_G1=13
+    -D TFT_G2=12
+    -D TFT_G3=11
+    -D TFT_G4=10
+    -D TFT_G5=9
+    -D TFT_B0=7
+    -D TFT_B1=6
+    -D TFT_B2=5
+    -D TFT_B3=3
+    -D TFT_B4=2
+    -D TFT_DC=-1
+    -D TFT_MISO=-1
+    -D TFT_RST=-1
+    -D TFT_BUSY=-1
+    -D TFT_BCKL=46
+    -D BACKLIGHT_FREQUENCY=100
+    ; Panel Settings
+;    -D TFT_HSYNC_POLARITY=1
+    -D TFT_HSYNC_FRONT_PORCH=10
+    -D TFT_HSYNC_PULSE_WIDTH=8
+    -D TFT_HSYNC_BACK_PORCH=50
+    -D TFT_VSYNC_POLARITY=1
+    -D TFT_VSYNC_FRONT_PORCH=10
+    -D TFT_VSYNC_PULSE_WIDTH=8
+    -D TFT_VSYNC_BACK_PORCH=20
+    -D TFT_PCLK_ACTIVE_NEG=1
+    -D TFT_PREFER_SPEED=12000000
+    -D TFT_AUTO_FLUSH=1
+    ; Touch Settings
+    -D TOUCH_DRIVER=0x911
+    -D TOUCH_WIDTH=480
+    -D TOUCH_HEIGHT=480
+    -D TOUCH_SDA=8
+    -D TOUCH_SCL=48
+    -D TOUCH_RST=-1
+    -D TOUCH_IRQ=-1
+    -D I2C_TOUCH_FREQUENCY=400000
+    -D I2C_TOUCH_ADDRESS=0x5D ; or 0x14
+    -D I2C_TOUCH_PORT=1
+    ; USB GPIO - Only need to define these so that the pins do not
+    ; show up in the list of available GPIO
+    -D USB_TXD=19
+    -D USB_RXD=20
+;endregion
+
+lib_deps =
+    ${arduino_esp32s3_v2.lib_deps}
+    ${arduinogfx.lib_deps}
+    ${goodix.lib_deps}
+
+[env:esp32-s3-lilygo-t-rgb-28_16MB]
+extends = esp32-s3-lilygo-t-rgb-28, flash_16mb