Add Port to espressif: Waveshare esp32 c6 lcd 1 47

ports/espressif/boards/waveshare_esp32_c6_lcd_1_47/board.c

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+// This file is part of the CircuitPython project: https://circuitpython.org
+//
+// SPDX-FileCopyrightText: Copyright (c) 2025 Benjamin Shockley
+//
+// SPDX-License-Identifier: MIT
+
+#include "supervisor/board.h"
+#include "mpconfigboard.h"
+#include "shared-bindings/microcontroller/Pin.h"
+#include "shared-module/displayio/__init__.h"
+#include "shared-module/displayio/mipi_constants.h"
+
+#define DELAY 0x80
+
+// Driver is ST7789V3
+// Display Panel is LBS147TC-IF15
+// 172 X 320 Pixels RGB 18-bit
+
+uint8_t display_init_sequence[] = {
+    // (0x01) SW Reset
+    // The display module performs a software reset, registers are written with their SW reset default values. No parameters.
+    // ST7789V3 requirement is to wait 120msec before sending sleep out command.
+    0x01, 0 | DELAY, 120,
+    // (0x11) Sleep Out
+    // This command turns off sleep mode.
+    // ST7789V3 requirement is to wait 120msec before sending sleep in command and wait 5msec before sending any new commands. No parameters.
+    0x11, 0 | DELAY, 120,
+    // (0x13) Normal Display Mode On
+    // This command turns the display to normal mode. No parameters.
+    0x13, 0,
+    // Display and Color Format Settings
+    //
+    // (0x36) Memory Data Access Control
+    // LBS147TC-IF15 as Mounted on the board is in Horizontal Mode
+    // This command defines read/ write scanning direction of frame memory. 1 parameter.
+    0x36, 1, 0x00,
+    // (0x3A) Interface Pixel Format
+    // This command is used to define the format of RGB picture data. 1 parameter. Value of 0x05 is setting the display to 16-bit (5,6,5). Could do 18-bit
+    // but may not really see the benefit and costs much more memory.
+    0x3A, 1 | DELAY,  0x05, 10,
+    // (0xB2) Porch Setting
+    // These 5 parameters front and backporch buffer sizes as well as enabling separate front and back control. Default value provided.
+    0xB2, 5, 0x0C, 0x0C, 0x00, 0x33, 0x33,
+    // (0xB7) Gate Voltage Control
+    // VGHS and VGLS settings.  1 paramter contains both. Per LBS147TC-IF15 spec; 12.2 < VGH < 14.97 (13.58) and12.5 < VGL <7.16 9.83
+    0xB7, 1, 0x35,
+    // (0xBB) VCOMS Setting
+    // VCOMS is used for feed through voltage compensation. Default value provided.
+    0xBB, 1, 0x20,
+    // (0xC0) LCM Control
+    // Various bits to control modes.  1 paramter.  Value taken from Waveshare's own Arduino example LCD init code.
+    0xC0, 1, 0x2C,
+    // (0xC2) VDV and VRH Command Enable
+    // VDV and VRH command write enable. 2 paramters. Default values provided.
+    0xC2, 2, 0x01, 0xFF,
+    // (0xC3) VRH Set
+    // 1 parameter. Value taken from Waveshare's own Arduino example LCD init code.
+    0xC3, 1, 0x13,
+    // (0xC4) VDV Set
+    // 1 parameter. Value taken from Waveshare's own Arduino example LCD init code.    
+    0xC4, 1, 0x20,
+    // (0xC6) Frame Rate Control in Normal Mode
+    // Frame rate value betwee 119 and 39 Hz. Default value is 60 Hz - uses values from 0xB2 as well. See manual. Default value provided.
+    0xC6, 1, 0x0F,
+    // (0xD0) Power Control 1
+    // Sets AVDD, AVCL, and VDS voltages. 2 parameters. Values taken from Waveshare's own Arduino example LCD init code.
+    0xD0, 2, 0xA4, 0xA1,
+    // ST7789V gamma setting
+    // (0xE0) Positive Voltage Gamma Control
+    // 14 parameters. Values taken from Waveshare's own Arduino example LCD init code.
+    0xE0, 14, 0xF0, 0x00, 0x04, 0x04, 0x04, 0x05, 0x29, 0x33, 0x3E, 0x38, 0x12, 0x12, 0x28, 0x30,
+    // (0xE1) Negative Voltage Gamma Control
+    // 14 parameters. Values taken from Waveshare's own Arduino example LCD init code.
+    0xE1, 14, 0xF0, 0x07, 0x0A, 0x0D, 0x0B, 0x07, 0x28, 0x33, 0x3E, 0x36, 0x14, 0x14, 0x29, 0x32,
+    // (0x21) Display Inversion On
+    // This command is used to recover from display inversion mode. No parameters.
+    0x21, 0,
+    // (0x29) Display On
+    // This command is used to recover from DISPLAY OFF mode. No parameters.
+    0x29, 0 | DELAY, 255,
+};
+
+static void display_init(void) {
+    fourwire_fourwire_obj_t *bus = &allocate_display_bus()->fourwire_bus;
+    busio_spi_obj_t *spi = &bus->inline_bus;
+
+    common_hal_busio_spi_construct(
+        spi,
+        &pin_GPIO7,    // CLK
+        &pin_GPIO6,    // MOSI
+        NULL,           // MISO not connected
+        false);         // Not half-duplex
+
+    common_hal_busio_spi_never_reset(spi);
+
+    bus->base.type = &fourwire_fourwire_type;
+
+    common_hal_fourwire_fourwire_construct(
+        bus,
+        spi,
+        &pin_GPIO15,    // DC
+        &pin_GPIO14,    // CS
+        &pin_GPIO21,    // RST
+        80000000,       // 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,
+        172,            // width (after rotation)
+        320,            // height (after rotation)
+        34,             // 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_GPIO22,    // 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
+        );
+}
+
+void board_init(void) {
+    // Display
+    display_init();
+}
+
+// Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here.

ports/espressif/boards/waveshare_esp32_c6_lcd_1_47/mpconfigboard.h

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+// This file is part of the CircuitPython project: https://circuitpython.org
+//
+// SPDX-FileCopyrightText: Copyright (c) 2025 Benjamin Shockley
+//
+// SPDX-License-Identifier: MIT
+
+#pragma once
+
+// Micropython setup
+
+#define MICROPY_HW_BOARD_NAME       "Waveshare ESP32-C6 LCD 1.47"
+#define MICROPY_HW_MCU_NAME         "ESP32-C6FH4"
+
+#define MICROPY_HW_NEOPIXEL (&pin_GPIO8)
+
+// I2C
+#define CIRCUITPY_BOARD_I2C         (1)
+#define CIRCUITPY_BOARD_I2C_PIN     {{.scl = &pin_GPIO0, .sda = &pin_GPIO1}}
+
+// SPI
+#define CIRCUITPY_BOARD_SPI         (1)
+#define CIRCUITPY_BOARD_SPI_PIN     {{.clock = &pin_GPIO7, .mosi = &pin_GPIO6, .miso = &pin_GPIO5}}
+
+// TXD0 and RXD0
+#define CIRCUITPY_BOARD_UART        (1)
+#define CIRCUITPY_BOARD_UART_PIN    {{.tx = &pin_GPIO16, .rx = &pin_GPIO17}}
+
+// For entering safe mode, use BOOT button
+#define CIRCUITPY_BOOT_BUTTON       (&pin_GPIO9)
+
+// Explanation of how a user got into safe mode
+#define BOARD_USER_SAFE_MODE_ACTION MP_ERROR_TEXT("You pressed the BOOT button at start up.")

ports/espressif/boards/waveshare_esp32_c6_lcd_1_47/mpconfigboard.mk

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+CIRCUITPY_CREATOR_ID =  0x1BBB0000
+CIRCUITPY_CREATION_ID = 0x00C60002
+
+IDF_TARGET = esp32c6
+
+CIRCUITPY_ESP_FLASH_MODE = qio
+CIRCUITPY_ESP_FLASH_FREQ = 80m
+CIRCUITPY_ESP_FLASH_SIZE = 4MB

ports/espressif/boards/waveshare_esp32_c6_lcd_1_47/pins.c

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+// This file is part of the CircuitPython project: https://circuitpython.org
+//
+// SPDX-FileCopyrightText: Copyright (c) 2025 Benjamin Shockley
+//
+// SPDX-License-Identifier: MIT
+
+#include "shared-bindings/board/__init__.h"
+
+static const mp_rom_map_elem_t board_module_globals_table[] = {
+    CIRCUITPYTHON_BOARD_DICT_STANDARD_ITEMS
+
+    { MP_ROM_QSTR(MP_QSTR_A0), MP_ROM_PTR(&pin_GPIO0) },
+    { MP_ROM_QSTR(MP_QSTR_IO0), MP_ROM_PTR(&pin_GPIO0) },
+    { MP_ROM_QSTR(MP_QSTR_SCL), MP_ROM_PTR(&pin_GPIO0) },
+
+    { MP_ROM_QSTR(MP_QSTR_A1), MP_ROM_PTR(&pin_GPIO1) },
+    { MP_ROM_QSTR(MP_QSTR_IO1), MP_ROM_PTR(&pin_GPIO1) },
+    { MP_ROM_QSTR(MP_QSTR_SDA), MP_ROM_PTR(&pin_GPIO1) },
+
+    { MP_ROM_QSTR(MP_QSTR_A2), MP_ROM_PTR(&pin_GPIO2) },
+    { MP_ROM_QSTR(MP_QSTR_IO2), MP_ROM_PTR(&pin_GPIO2) },
+
+    { MP_ROM_QSTR(MP_QSTR_A3), MP_ROM_PTR(&pin_GPIO3) },
+    { MP_ROM_QSTR(MP_QSTR_IO3), MP_ROM_PTR(&pin_GPIO3) },
+
+    { MP_ROM_QSTR(MP_QSTR_A4), MP_ROM_PTR(&pin_GPIO4) },
+    { MP_ROM_QSTR(MP_QSTR_IO4), MP_ROM_PTR(&pin_GPIO4) },
+
+    { MP_ROM_QSTR(MP_QSTR_A5), MP_ROM_PTR(&pin_GPIO5) },
+    { MP_ROM_QSTR(MP_QSTR_IO5), MP_ROM_PTR(&pin_GPIO5) },
+    { MP_ROM_QSTR(MP_QSTR_MISO), MP_ROM_PTR(&pin_GPIO5) },
+
+    { MP_ROM_QSTR(MP_QSTR_BUTTON), MP_ROM_PTR(&pin_GPIO9) },
+    { MP_ROM_QSTR(MP_QSTR_IO9), MP_ROM_PTR(&pin_GPIO9) },
+
+    { 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_IO23), MP_ROM_PTR(&pin_GPIO23) },
+
+    { MP_ROM_QSTR(MP_QSTR_RX), MP_ROM_PTR(&pin_GPIO17) },
+    { MP_ROM_QSTR(MP_QSTR_IO17), MP_ROM_PTR(&pin_GPIO17) },
+
+    { MP_ROM_QSTR(MP_QSTR_TX), MP_ROM_PTR(&pin_GPIO16) },
+    { MP_ROM_QSTR(MP_QSTR_IO16), MP_ROM_PTR(&pin_GPIO16) },
+
+    // Frome Board Definitions
+    { MP_ROM_QSTR(MP_QSTR_NEOPIXEL), MP_ROM_PTR(&pin_GPIO8) },
+    { 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_SPI), MP_ROM_PTR(&board_spi_obj) },
+    { MP_ROM_QSTR(MP_QSTR_UART), MP_ROM_PTR(&board_uart_obj) }
+};
+MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table);

ports/espressif/boards/waveshare_esp32_c6_lcd_1_47/sdkconfig

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+#
+# Espressif IoT Development Framework Configuration
+#
+#
+# Component config
+#
+#
+# LWIP
+#
+# end of LWIP
+
+# end of Component config
+
+# end of Espressif IoT Development Framework Configuration