Add Waveshare ESP32S3 Touch LCD 2.8inch display board

ports/espressif/boards/waveshare_esp32_s3_touch_lcd_2_8/board.c

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+// This file is part of the CircuitPython project: https://circuitpython.org
+//
+// SPDX-FileCopyrightText: Copyright (c) 2020 Scott Shawcroft for Adafruit Industries
+//
+// SPDX-License-Identifier: MIT
+
+#include "supervisor/board.h"
+#include "mpconfigboard.h"
+#include "shared-bindings/busio/SPI.h"
+#include "shared-bindings/fourwire/FourWire.h"
+#include "shared-bindings/microcontroller/Pin.h"
+#include "shared-module/displayio/__init__.h"
+#include "shared-module/displayio/mipi_constants.h"
+#include "shared-bindings/board/__init__.h"
+
+#define DELAY 0x80
+
+// display init sequence according to LilyGO example app
+uint8_t display_init_sequence[] = {
+    0x01, DELAY, 0x96,  // _SWRESET and Delay 150ms
+    0x11, DELAY, 0xFF,  // _SLPOUT and Delay 500ms
+    0x3A, DELAY | 1, 0x55, 0x0A,  // _COLMOD and Delay 10ms
+    0x21, DELAY, 0x0A,  // _INVON Hack and Delay 10ms
+    0x13, DELAY, 0x0A,  // _NORON and Delay 10ms
+    0x36, 0x01, 0x60,   // _MADCTL
+    0x29, DELAY, 0xFF,  // _DISPON and Delay 500ms
+};
+
+void board_init(void) {
+    busio_spi_obj_t *spi = common_hal_board_create_spi(0);
+    fourwire_fourwire_obj_t *bus = &allocate_display_bus()->fourwire_bus;
+    bus->base.type = &fourwire_fourwire_type;
+
+    common_hal_fourwire_fourwire_construct(
+        bus,
+        spi,
+        &pin_GPIO41,    // DC
+        &pin_GPIO42,    // CS
+        &pin_GPIO39,    // RST
+        40000000,       // baudrate
+        0,              // polarity
+        0               // phase
+        );
+    busdisplay_busdisplay_obj_t *display = &allocate_display()->display;
+    display->base.type = &busdisplay_busdisplay_type;
+
+    common_hal_busdisplay_busdisplay_construct(
+        display,
+        bus,
+        320,            // width (after rotation)
+        240,            // height (after rotation)
+        0,              // column start
+        0,              // row start
+        0,              // rotation
+        16,             // color depth
+        false,          // grayscale
+        false,          // pixels in a byte share a row. Only valid for depths < 8
+        1,              // bytes per cell. Only valid for depths < 8
+        false,          // reverse_pixels_in_byte. Only valid for depths < 8
+        true,           // reverse_pixels_in_word
+        MIPI_COMMAND_SET_COLUMN_ADDRESS, // set column command
+        MIPI_COMMAND_SET_PAGE_ADDRESS,   // set row command
+        MIPI_COMMAND_WRITE_MEMORY_START, // write memory command
+        display_init_sequence,
+        sizeof(display_init_sequence),
+        &pin_GPIO5,    // backlight pin
+        NO_BRIGHTNESS_COMMAND,
+        1.0f,           // brightness
+        false,          // single_byte_bounds
+        false,          // data_as_commands
+        true,           // auto_refresh
+        60,             // native_frames_per_second
+        true,           // backlight_on_high
+        false,          // SH1107_addressing
+        50000           // backlight pwm frequency
+        );
+}

ports/espressif/boards/waveshare_esp32_s3_touch_lcd_2_8/mpconfigboard.h

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+// This file is part of the CircuitPython project: https://circuitpython.org
+//
+// SPDX-FileCopyrightText: Copyright (c) 2025 Neradoc
+//
+// SPDX-License-Identifier: MIT
+
+#pragma once
+
+#define MICROPY_HW_BOARD_NAME       "Waveshare ESP32-S3 Touch LCD 2.8"
+#define MICROPY_HW_MCU_NAME         "ESP32S3"
+
+#define CIRCUITPY_BOARD_I2C         (1)
+#define CIRCUITPY_BOARD_I2C_PIN     {{.scl = &pin_GPIO3, .sda = &pin_GPIO1}}
+
+#define CIRCUITPY_BOARD_SPI         (1)
+#define CIRCUITPY_BOARD_SPI_PIN     {{.clock = &pin_GPIO40, .mosi = &pin_GPIO45, .miso = &pin_GPIO46}}
+
+#define DEFAULT_UART_BUS_RX (&pin_GPIO44)
+#define DEFAULT_UART_BUS_TX (&pin_GPIO43)

ports/espressif/boards/waveshare_esp32_s3_touch_lcd_2_8/mpconfigboard.mk

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+USB_VID = 0x303A
+USB_PID = 0x825F
+USB_MANUFACTURER = "Waveshare Electronics"
+USB_PRODUCT = "ESP32-S3 Touch LCD 2.8"
+
+IDF_TARGET = esp32s3
+
+CIRCUITPY_ESP_FLASH_MODE = qio
+CIRCUITPY_ESP_FLASH_FREQ = 80m
+CIRCUITPY_ESP_FLASH_SIZE = 16MB
+
+CIRCUITPY_ESP_PSRAM_SIZE = 8MB
+CIRCUITPY_ESP_PSRAM_MODE = opi
+CIRCUITPY_ESP_PSRAM_FREQ = 80m

ports/espressif/boards/waveshare_esp32_s3_touch_lcd_2_8/pins.c

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+// This file is part of the CircuitPython project: https://circuitpython.org
+//
+// SPDX-FileCopyrightText: Copyright (c) 2020 Scott Shawcroft for Adafruit Industries
+//
+// SPDX-License-Identifier: MIT
+
+#include "shared-bindings/board/__init__.h"
+#include "shared-module/displayio/__init__.h"
+
+static const mp_rom_map_elem_t board_module_globals_table[] = {
+    CIRCUITPYTHON_BOARD_DICT_STANDARD_ITEMS
+
+    // LCD (SPI0)
+    { MP_ROM_QSTR(MP_QSTR_LCD_SCK),   MP_ROM_PTR(&pin_GPIO40) },
+    { MP_ROM_QSTR(MP_QSTR_LCD_MOSI),  MP_ROM_PTR(&pin_GPIO45) },
+    { MP_ROM_QSTR(MP_QSTR_LCD_MISO),  MP_ROM_PTR(&pin_GPIO46) },
+    { MP_ROM_QSTR(MP_QSTR_LCD_CS),    MP_ROM_PTR(&pin_GPIO42) },
+    { MP_ROM_QSTR(MP_QSTR_LCD_DC),    MP_ROM_PTR(&pin_GPIO41) },
+    { MP_ROM_QSTR(MP_QSTR_LCD_RST),   MP_ROM_PTR(&pin_GPIO39) },
+    { MP_ROM_QSTR(MP_QSTR_LCD_BL),    MP_ROM_PTR(&pin_GPIO5)  },   // PWM-capable
+
+    // microSD (SPI1)
+    { MP_ROM_QSTR(MP_QSTR_SD_SCK),    MP_ROM_PTR(&pin_GPIO14) },
+    { MP_ROM_QSTR(MP_QSTR_SD_MOSI),   MP_ROM_PTR(&pin_GPIO17) },
+    { MP_ROM_QSTR(MP_QSTR_SD_MISO),   MP_ROM_PTR(&pin_GPIO16) },
+    { MP_ROM_QSTR(MP_QSTR_SD_CS),     MP_ROM_PTR(&pin_GPIO21) },
+
+    // Touch panel (I2C0)
+    { MP_ROM_QSTR(MP_QSTR_TP_SCL),    MP_ROM_PTR(&pin_GPIO3)  },
+    { MP_ROM_QSTR(MP_QSTR_TP_SDA),    MP_ROM_PTR(&pin_GPIO1)  },
+    { MP_ROM_QSTR(MP_QSTR_TP_RST),    MP_ROM_PTR(&pin_GPIO2)  },
+    { MP_ROM_QSTR(MP_QSTR_TP_INT),    MP_ROM_PTR(&pin_GPIO4)  },
+
+    // IMU (I2C1)
+    { MP_ROM_QSTR(MP_QSTR_IMU_SCL),  MP_ROM_PTR(&pin_GPIO10) },
+    { MP_ROM_QSTR(MP_QSTR_IMU_SDA),  MP_ROM_PTR(&pin_GPIO11) },
+    { MP_ROM_QSTR(MP_QSTR_IMU_INT2), MP_ROM_PTR(&pin_GPIO12) },
+    { MP_ROM_QSTR(MP_QSTR_IMU_INT1), MP_ROM_PTR(&pin_GPIO13) },
+
+    // I2S Audio
+    { MP_ROM_QSTR(MP_QSTR_I2S_BCK),   MP_ROM_PTR(&pin_GPIO48) },
+    { MP_ROM_QSTR(MP_QSTR_I2S_DIN),   MP_ROM_PTR(&pin_GPIO47) },
+    { MP_ROM_QSTR(MP_QSTR_I2S_LRCK),  MP_ROM_PTR(&pin_GPIO38) },
+
+    // Battery management
+    { MP_ROM_QSTR(MP_QSTR_BAT_CONTROL), MP_ROM_PTR(&pin_GPIO7)  }, // control pin
+    { MP_ROM_QSTR(MP_QSTR_BAT_PWR),     MP_ROM_PTR(&pin_GPIO6)  }, // Board name
+    { MP_ROM_QSTR(MP_QSTR_KEY_BAT),     MP_ROM_PTR(&pin_GPIO6)  }, // Schematics name
+    { MP_ROM_QSTR(MP_QSTR_BAT_ADC),     MP_ROM_PTR(&pin_GPIO8)  }, // VBAT sense (ADC)
+
+    // UART header
+    { MP_ROM_QSTR(MP_QSTR_TX),        MP_ROM_PTR(&pin_GPIO43) },
+    { MP_ROM_QSTR(MP_QSTR_RX),        MP_ROM_PTR(&pin_GPIO44) },
+
+    // I2C header
+    { MP_ROM_QSTR(MP_QSTR_I2C_SCL), MP_ROM_PTR(&pin_GPIO10) },
+    { MP_ROM_QSTR(MP_QSTR_I2C_SDA), MP_ROM_PTR(&pin_GPIO11) },
+
+    // Boot/User button
+    { MP_ROM_QSTR(MP_QSTR_BOOT),     MP_ROM_PTR(&pin_GPIO0)  },
+    { MP_ROM_QSTR(MP_QSTR_BUTTON0),  MP_ROM_PTR(&pin_GPIO0)  },
+
+    // Primary bus pins
+    { MP_ROM_QSTR(MP_QSTR_SCK),       MP_ROM_PTR(&pin_GPIO40) }, // Primary SPI (LCD)
+    { MP_ROM_QSTR(MP_QSTR_MOSI),      MP_ROM_PTR(&pin_GPIO45) },
+    { MP_ROM_QSTR(MP_QSTR_MISO),      MP_ROM_PTR(&pin_GPIO46) },
+    { MP_ROM_QSTR(MP_QSTR_SCL),       MP_ROM_PTR(&pin_GPIO3)  }, // Primary I2C (TP)
+    { MP_ROM_QSTR(MP_QSTR_SDA),       MP_ROM_PTR(&pin_GPIO1)  },
+
+    // Objects
+    { MP_ROM_QSTR(MP_QSTR_I2C),     MP_ROM_PTR(&board_i2c_obj) },
+    { MP_ROM_QSTR(MP_QSTR_SPI),     MP_ROM_PTR(&board_spi_obj) },
+    { MP_ROM_QSTR(MP_QSTR_UART),    MP_ROM_PTR(&board_uart_obj) },
+    { MP_ROM_QSTR(MP_QSTR_DISPLAY), MP_ROM_PTR(&displays[0].display) },
+
+    // User accessible
+    { MP_ROM_QSTR(MP_QSTR_IO10),  MP_ROM_PTR(&pin_GPIO10) },
+    { MP_ROM_QSTR(MP_QSTR_IO11),  MP_ROM_PTR(&pin_GPIO11) },
+    { MP_ROM_QSTR(MP_QSTR_IO15),  MP_ROM_PTR(&pin_GPIO15) },
+    { MP_ROM_QSTR(MP_QSTR_IO18),  MP_ROM_PTR(&pin_GPIO18) },
+    { MP_ROM_QSTR(MP_QSTR_IO19),  MP_ROM_PTR(&pin_GPIO19) },
+    { MP_ROM_QSTR(MP_QSTR_IO20),  MP_ROM_PTR(&pin_GPIO20) },
+    { MP_ROM_QSTR(MP_QSTR_IO43),  MP_ROM_PTR(&pin_GPIO43) },
+    { MP_ROM_QSTR(MP_QSTR_IO44),  MP_ROM_PTR(&pin_GPIO44) },
+};
+MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table);