Added I2C support and removed backlight pin

Author: lovrojakic

ports/espressif/boards/vidi_x/board.c

@@ -98,7 +98,7 @@ void board_init(void) {
         MIPI_COMMAND_WRITE_MEMORY_START, // Write memory command
         display_init_sequence,
         sizeof(display_init_sequence),
-        &pin_GPIO14,  // backlight pin
+        NULL,  // backlight pin
         NO_BRIGHTNESS_COMMAND,
         1.0f, // brightness
         false, // single_byte_bounds

ports/espressif/boards/vidi_x/mpconfigboard.h

@@ -34,6 +34,9 @@
 #define CIRCUITPY_BOARD_SPI         (1)
 #define CIRCUITPY_BOARD_SPI_PIN     {{.clock = &pin_GPIO18, .mosi = &pin_GPIO23, .miso = &pin_GPIO19}}
 
+#define CIRCUITPY_BOARD_I2C         (1)
+#define CIRCUITPY_BOARD_I2C_PIN     {{.scl = &pin_GPIO32, .sda = &pin_GPIO33}}
+
 #define CIRCUITPY_BOOT_BUTTON       (&pin_GPIO0)
 
 // Explanation of how a user got into safe mode

ports/espressif/boards/vidi_x/pins.c

@@ -103,6 +103,8 @@ STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR_EXP26), MP_ROM_PTR(&pin_GPIO39) },
 
     { MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&board_spi_obj) },
+    { MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },
+    { MP_ROM_QSTR(MP_QSTR_STEMMA_I2C), MP_ROM_PTR(&board_i2c_obj) },
 
     { MP_ROM_QSTR(MP_QSTR_DISPLAY), MP_ROM_PTR(&displays[0].display)},
 };