Merge pull request #9201 from SeanTheITGuy/spotpear_esp32c3_lcd_1_4

Add support for Spotpear ESP32C3 w/ 1.44" LCD.

ports/espressif/boards/spotpear_esp32c3_lcd_1_44/board.c

@@ -0,0 +1,112 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2023 CDarius
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#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"
+
+// display init sequence according to adafruit_st7735r.py library
+uint8_t display_init_sequence[] = {
+    0x01, 0x80, 0x96,             // SWRESET and Delay 150ms
+    0x11, 0x80, 0xff,             // SLPOUT and Delay
+    0xb1, 0x03, 0x01, 0x2C, 0x2D,   // _FRMCTR1
+    0xb2, 0x03, 0x01, 0x2C, 0x2D,   // _FRMCTR2
+    0xb3, 0x06, 0x01, 0x2C, 0x2D, 0x01, 0x2C, 0x2D, // _FRMCTR3
+    0xb4, 0x01, 0x07,             // _INVCTR line inversion
+    0xc0, 0x03, 0xa2, 0x02, 0x84,   // _PWCTR1 GVDD = 4.7V, 1.0uA
+    0xc1, 0x01, 0xc5,             // _PWCTR2 VGH=14.7V, VGL=-7.35V
+    0xc2, 0x02, 0x0a, 0x00,        // _PWCTR3 Opamp current small, Boost frequency
+    0xc3, 0x02, 0x8a, 0x2a,
+    0xc4, 0x02, 0x8a, 0xee,
+    0xc5, 0x01, 0x0e,             // _VMCTR1 VCOMH = 4V, VOML = -1.1V
+    0x36, 0x01, 0xc8,             // MADCTL Rotate display
+    0x3a, 0x01, 0x05,             // COLMOD - 16bit color
+    0xe0, 0x10, 0x02, 0x1c, 0x07, 0x12, 0x37, 0x32, 0x29, 0x2d, 0x29, 0x25, 0x2B, 0x39, 0x00, 0x01, 0x03, 0x10, // _GMCTRP1 Gamma
+    0xe1, 0x10, 0x03, 0x1d, 0x07, 0x06, 0x2E, 0x2C, 0x29, 0x2D, 0x2E, 0x2E, 0x37, 0x3F, 0x00, 0x00, 0x02, 0x10, // _GMCTRN1
+    0x13, 0x80, 0x0a,             // _NORON
+    0x29, 0x80, 0x64              // _DISPON
+};
+
+static bool 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_GPIO3, &pin_GPIO4, NULL, false);
+    common_hal_busio_spi_never_reset(spi);
+
+    bus->base.type = &fourwire_fourwire_type;
+
+    common_hal_fourwire_fourwire_construct(
+        bus,
+        spi,
+        &pin_GPIO0,    // DC
+        &pin_GPIO2,     // CS
+        &pin_GPIO5,    // RST
+        10000000,       // 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,
+        128,             // width (after rotation)
+        128,            // height (after rotation)
+        2,             // column start
+        1,              // 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),
+        NULL,    // backlight pin
+        NO_BRIGHTNESS_COMMAND,
+        1.0f,           // brightness
+        false,          // single_byte_bounds
+        false,          // data_as_commands
+        true,           // auto_refresh
+        80,             // native_frames_per_second
+        false,          // backlight_on_high
+        false,          // SH1107_addressing
+        50000           // backlight pwm frequency
+        );
+
+    return true;
+}
+
+void board_init(void) {
+    display_init();
+}

ports/espressif/boards/spotpear_esp32c3_lcd_1_44/mpconfigboard.h

@@ -0,0 +1,32 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2023 Neradoc
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+// Board setup
+#define MICROPY_HW_BOARD_NAME       "Spotpear ESP32C3 LCD 1.44"
+#define MICROPY_HW_MCU_NAME         "ESP32-C3FH4"
+
+#define MICROPY_HW_LED_STATUS       (&pin_GPIO11)
+#define CIRCUITPY_BOOT_BUTTON       (&pin_GPIO9)

ports/espressif/boards/spotpear_esp32c3_lcd_1_44/mpconfigboard.mk

@@ -0,0 +1,10 @@
+CIRCUITPY_CREATOR_ID =  0x18760000
+CIRCUITPY_CREATION_ID = 0x00DD0001
+
+IDF_TARGET = esp32c3
+
+CIRCUITPY_ESP_FLASH_MODE = qio
+CIRCUITPY_ESP_FLASH_FREQ = 80m
+CIRCUITPY_ESP_FLASH_SIZE = 4MB
+
+CIRCUITPY_ESP_USB_SERIAL_JTAG = 1

ports/espressif/boards/spotpear_esp32c3_lcd_1_44/pins.c

@@ -0,0 +1,39 @@
+#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) },
+    { MP_ROM_QSTR(MP_QSTR_BUTTON1), MP_ROM_PTR(&pin_GPIO8) },
+    { MP_ROM_QSTR(MP_QSTR_BUTTON2), MP_ROM_PTR(&pin_GPIO10) },
+
+    // Status LED
+    { MP_ROM_QSTR(MP_QSTR_LED), MP_ROM_PTR(&pin_GPIO11) },
+
+    // SPI LCD
+    { MP_ROM_QSTR(MP_QSTR_LCD_MOSI), MP_ROM_PTR(&pin_GPIO4) },
+    { MP_ROM_QSTR(MP_QSTR_LCD_SCK), MP_ROM_PTR(&pin_GPIO3) },
+    { MP_ROM_QSTR(MP_QSTR_LCD_DC), MP_ROM_PTR(&pin_GPIO0) },
+    { MP_ROM_QSTR(MP_QSTR_LCD_RST), MP_ROM_PTR(&pin_GPIO5) },
+    { MP_ROM_QSTR(MP_QSTR_LCD_CS), MP_ROM_PTR(&pin_GPIO2) },
+
+    // UART (on header 1)
+    { MP_ROM_QSTR(MP_QSTR_RX), MP_ROM_PTR(&pin_GPIO20) },
+    { MP_ROM_QSTR(MP_QSTR_TX), MP_ROM_PTR(&pin_GPIO21) },
+
+    // User available GPIO, Header 1
+    { MP_ROM_QSTR(MP_QSTR_IO1), MP_ROM_PTR(&pin_GPIO1) },
+    { MP_ROM_QSTR(MP_QSTR_IO6), MP_ROM_PTR(&pin_GPIO6) },
+    { MP_ROM_QSTR(MP_QSTR_IO7), MP_ROM_PTR(&pin_GPIO7) },
+    { MP_ROM_QSTR(MP_QSTR_IO20), MP_ROM_PTR(&pin_GPIO20) },
+    { MP_ROM_QSTR(MP_QSTR_IO21), MP_ROM_PTR(&pin_GPIO21) },
+
+    // Objects
+    { MP_ROM_QSTR(MP_QSTR_LCD_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);

ports/espressif/boards/spotpear_esp32c3_lcd_1_44/sdkconfig

@@ -0,0 +1,15 @@
+#
+# Espressif IoT Development Framework Configuration
+#
+#
+# Component config
+#
+#
+# LWIP
+#
+CONFIG_LWIP_LOCAL_HOSTNAME="spotpear-esp32c3-lcd-1-44"
+# end of LWIP
+
+# end of Component config
+
+# end of Espressif IoT Development Framework Configuration