Merge pull request #10106 from SeanTheITGuy/spotpear_esp32c3_lcd_1_69

Support for spotpear 1.69 esp32c3 device
adafruit · Feb 27, 2025 · e5c2902 · e5c2902
2 parents 2ec0d04 + 48d06b9
commit e5c2902
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diff --git a/ports/espressif/boards/spotpear_esp32c3_lcd_1_69/board.c b/ports/espressif/boards/spotpear_esp32c3_lcd_1_69/board.c
@@ -0,0 +1,84 @@
+// 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 ST7789
+uint8_t display_init_sequence[] = {
+    0x01, 0 | DELAY, 0x96, // _SWRESET and Delay 150ms
+    0x11, 0 | DELAY, 0xff, // _SLPOUT and Delay 500ms
+    0x3A, 1 | DELAY,  0x55, 0x0a, // _COLMOD and Delay 10ms
+    0x36, 0x01, 0x08, // _MADCTL
+    0x21, 0x80, 0x0A, // _INVON Hack and Delay 10ms
+    0x13, 0x80, 0x0A, // _NORON and Delay 10ms
+    0x29, 0 | DELAY, 0xff // _DISPON and Delay 500ms
+};
+
+
+void board_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_GPIO5, &pin_GPIO6, NULL, false);
+    common_hal_busio_spi_never_reset(spi);
+    bus->base.type = &fourwire_fourwire_type;
+
+    common_hal_fourwire_fourwire_construct(
+        bus,
+        spi,
+        &pin_GPIO2,    // DC
+        &pin_GPIO3,    // CS
+        &pin_GPIO10,    // 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,
+        280,            // width (after rotation)
+        240,            // height (after rotation)
+        0,             // column start
+        20,             // row start
+        270,              // 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),
+        NULL,    // 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
+        200           // backlight pwm frequency
+        );
+}
+
+// Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here.
diff --git a/ports/espressif/boards/spotpear_esp32c3_lcd_1_69/mpconfigboard.h b/ports/espressif/boards/spotpear_esp32c3_lcd_1_69/mpconfigboard.h
@@ -0,0 +1,22 @@
+// This file is part of the CircuitPython project: https://circuitpython.org
+//
+// SPDX-FileCopyrightText: Copyright (c) 2023 Neradoc
+//
+// SPDX-License-Identifier: MIT
+
+#pragma once
+
+// Board setup
+#define MICROPY_HW_BOARD_NAME       "Spotpear ESP32C3 LCD 1.69"
+#define MICROPY_HW_MCU_NAME         "ESP32-C3FH4"
+
+#define CIRCUITPY_BOOT_BUTTON       (&pin_GPIO9)
+
+#define CIRCUITPY_BOARD_I2C         (1)
+#define CIRCUITPY_BOARD_I2C_PIN     {{.scl = &pin_GPIO7, .sda = &pin_GPIO11}}
+
+#define CIRCUITPY_BOARD_SPI         (1)
+#define CIRCUITPY_BOARD_SPI_PIN     {{.clock = &pin_GPIO5, .mosi = &pin_GPIO6, .miso = &pin_GPIO4}}
+
+#define CIRCUITPY_BOARD_UART        (1)
+#define CIRCUITPY_BOARD_UART_PIN    {{.tx = &pin_GPIO21, .rx = &pin_GPIO20}}
diff --git a/ports/espressif/boards/spotpear_esp32c3_lcd_1_69/mpconfigboard.mk b/ports/espressif/boards/spotpear_esp32c3_lcd_1_69/mpconfigboard.mk
@@ -0,0 +1,10 @@
+CIRCUITPY_CREATOR_ID =  0x18760000
+CIRCUITPY_CREATION_ID = 0x00DD0002
+
+IDF_TARGET = esp32c3
+
+CIRCUITPY_ESP_FLASH_MODE = qio
+CIRCUITPY_ESP_FLASH_FREQ = 80m
+CIRCUITPY_ESP_FLASH_SIZE = 16MB
+
+CIRCUITPY_ESP_USB_SERIAL_JTAG = 1
diff --git a/ports/espressif/boards/spotpear_esp32c3_lcd_1_69/pins.c b/ports/espressif/boards/spotpear_esp32c3_lcd_1_69/pins.c
@@ -0,0 +1,50 @@
+// This file is part of the CircuitPython project: https://circuitpython.org
+//
+// SPDX-FileCopyrightText: Copyright (c) 2023 CDarius
+//
+// 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
+
+    // buttons
+    { MP_ROM_QSTR(MP_QSTR_BOOT), MP_ROM_PTR(&pin_GPIO9) },
+    { MP_ROM_QSTR(MP_QSTR_BUTTON0), MP_ROM_PTR(&pin_GPIO9) },
+
+    // buzzer
+    { MP_ROM_QSTR(MP_QSTR_BUZZER), MP_ROM_PTR(&pin_GPIO1) },
+
+    // SPI
+    { MP_ROM_QSTR(MP_QSTR_SCK), MP_ROM_PTR(&pin_GPIO5) },
+    { MP_ROM_QSTR(MP_QSTR_MISO), MP_ROM_PTR(&pin_GPIO4) },
+    { MP_ROM_QSTR(MP_QSTR_MOSI), MP_ROM_PTR(&pin_GPIO6) },
+
+    // LCD
+    { MP_ROM_QSTR(MP_QSTR_LCD_DC), MP_ROM_PTR(&pin_GPIO2) },
+    { MP_ROM_QSTR(MP_QSTR_LCD_CS), MP_ROM_PTR(&pin_GPIO3) },
+    { MP_ROM_QSTR(MP_QSTR_LCD_RST), MP_ROM_PTR(&pin_GPIO8) },
+
+    // I2C
+    { MP_ROM_QSTR(MP_QSTR_SCL), MP_ROM_PTR(&pin_GPIO7) },
+    { MP_ROM_QSTR(MP_QSTR_SDA), MP_ROM_PTR(&pin_GPIO11) },
+
+    // Touch
+    { MP_ROM_QSTR(MP_QSTR_TOUCH_INT), MP_ROM_PTR(&pin_GPIO9) },
+    { MP_ROM_QSTR(MP_QSTR_TOUCH_RST), MP_ROM_PTR(&pin_GPIO10) },
+
+    // UART (on unpopulated header)
+    { MP_ROM_QSTR(MP_QSTR_RX), MP_ROM_PTR(&pin_GPIO20) },
+    { MP_ROM_QSTR(MP_QSTR_IO20), MP_ROM_PTR(&pin_GPIO20) },
+    { MP_ROM_QSTR(MP_QSTR_TX), MP_ROM_PTR(&pin_GPIO21) },
+    { MP_ROM_QSTR(MP_QSTR_IO21), MP_ROM_PTR(&pin_GPIO21) },
+
+    // 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)},
+};
+MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table);
diff --git a/ports/espressif/boards/spotpear_esp32c3_lcd_1_69/sdkconfig b/ports/espressif/boards/spotpear_esp32c3_lcd_1_69/sdkconfig
@@ -0,0 +1,14 @@
+#
+# Espressif IoT Development Framework Configuration
+#
+#
+# Component config
+#
+#
+# LWIP
+#
+# end of LWIP
+
+# end of Component config
+
+# end of Espressif IoT Development Framework Configuration