8000 Merge pull request #10107 from SeanTheITGuy/elecrow_crowpanel_4_2_epaper · adafruit/circuitpython@a1f4eea · GitHub
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Merge pull request #10107 from SeanTheITGuy/elecrow_crowpanel_4_2_epaper
Elecrow crowpanel 4.2 epaper device
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‎ports/espressif/boards/elecrow_crowpanel_4_2_epaper/board.c

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// This file is part of the CircuitPython project: https://circuitpython.org
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//
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// SPDX-FileCopyrightText: Copyright (c) 2020 Scott Shawcroft for Adafruit Industries
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//
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// SPDX-License-Identifier: MIT
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#include "supervisor/board.h"
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#include "mpconfigboard.h"
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#include "shared-bindings/busio/SPI.h"
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#include "shared-bindings/fourwire/FourWire.h"
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#include "shared-bindings/microcontroller/Pin.h"
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#include "shared-module/displayio/__init__.h"
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#include "shared-module/displayio/mipi_constants.h"
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#include "shared-bindings/board/__init__.h"
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#include "shared-bindings/digitalio/DigitalInOut.h"
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// SSD1683 EPD Driver chip
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const uint8_t display_start_sequence[] = {
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// Init
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0x12, 0x80, 0x0a, // Soft reset
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0x01, 0x03, 0x2b, 0x01, 0x00, // Set MUX as 300
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0x21, 0x02, 0x40, 0x00, // Display update control
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0x3c, 0x01, 0x01, // Border waveform
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0x11, 0x01, 0x03, // X- mode
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0x44, 0x02, 0x00, 0x31, // Set RAM X Address Start/End Pos
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0x45, 0x04, 0x00, 0x00, 0x2b, 0x01, // Set RAM Y Address Start/End Pos
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0x4e, 0x01, 0x00, // Set RAM X Address counter
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0x4f, 0x02, 0x00, 0x00, // Set RAM Y Address counter
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};
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const uint8_t display_stop_sequence[] = {
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0x10, 0x01, 0x32,
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};
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const uint8_t refresh_sequence[] = {
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0x22, 0x01, 0xf7, // Display update sequence option
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0x20, 0x80, 0x0a, // Master activation
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};
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void board_init(void) {
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// Enable EPD with driver pin
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digitalio_digitalinout_obj_t epd_enable_pin_obj;
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epd_enable_pin_obj.base.type = &digitalio_digitalinout_type;
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common_hal_digitalio_digitalinout_construct(&epd_enable_pin_obj, &pin_GPIO7);
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common_hal_digitalio_digitalinout_switch_to_output(&epd_enable_pin_obj, true, DRIVE_MODE_PUSH_PULL);
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common_hal_digitalio_digitalinout_never_reset(&epd_enable_pin_obj);
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// Set up the SPI object used to control the display
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fourwire_fourwire_obj_t *bus = &allocate_display_bus()->fourwire_bus;
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busio_spi_obj_t *spi = &bus->inline_bus;
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common_hal_busio_spi_construct(spi, &pin_GPIO12, &pin_GPIO11, NULL, false);
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common_hal_busio_spi_never_reset(spi);
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// Set up the DisplayIO pin object
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bus->base.type = &fourwire_fourwire_type;
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common_hal_fourwire_fourwire_construct(bus,
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spi,
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&pin_GPIO46, // EPD_DC Command or data
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&pin_GPIO45, // EPD_CS Chip select
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&pin_GPIO47, // EPD_RST Reset
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1000000, // Baudrate
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0, // Polarity
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0); // Phase
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// Set up the DisplayIO epaper object
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epaperdisplay_epaperdisplay_obj_t *display = &allocate_display()->epaper_display;
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display->base.type = &epaperdisplay_epaperdisplay_type;
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common_hal_epaperdisplay_epaperdisplay_construct(
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display,
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bus,
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display_start_sequence, sizeof(display_start_sequence),
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1, // start up time
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display_stop_sequence, sizeof(display_stop_sequence),
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400, // width
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300, // height
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400, // ram_width
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300, // ram_height
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0, // colstart
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0, // rowstart
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0, // rotation
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NO_COMMAND, // set_column_window_command
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NO_COMMAND, // set_row_window_command
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NO_COMMAND, // set_current_column_command
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NO_COMMAND, // set_current_row_command
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0x24, // write_black_ram_command
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false, // black_bits_inverted
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0x26, // write_color_ram_command
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false, // color_bits_inverted
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0x000000, // highlight_color
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refresh_sequence, sizeof(refresh_sequence), // refresh_display_command
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1.0, // refresh_time
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&pin_GPIO48, // busy_pin
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true, // busy_state
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2.0, // seconds_per_frame
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false, // always_toggle_chip_select
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false, // grayscale
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false, // acep
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false, // two_byte_sequence_length
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false); // address_little_endian
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}
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void board_deinit(void) {
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epaperdisplay_epaperdisplay_obj_t *display = &displays[0].epaper_display;
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if (display->base.type == &epaperdisplay_epaperdisplay_type) {
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while (common_hal_epaperdisplay_epaperdisplay_get_busy(display)) {
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RUN_BACKGROUND_TASKS;
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}
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}
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common_hal_displayio_release_displays();
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}
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// Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here.

‎ports/espressif/boards/elecrow_crowpanel_4_2_epaper/mpconfigboard.h

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// This file is part of the CircuitPython project: https://circuitpython.org
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//
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// SPDX-FileCopyrightText: Copyright (c) 2019 Scott Shawcroft for Adafruit Industries
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//
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// SPDX-License-Identifier: MIT
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#pragma once
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// Micropython setup
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#define MICROPY_HW_BOARD_NAME "CrowPanel 4.2 EPaper"
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#define MICROPY_HW_MCU_NAME "ESP32S3"
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#define MICROPY_HW_LED_STATUS (&pin_GPIO41)
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#define CIRCUITPY_BOOT_BUTTON (&pin_GPIO0)
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#define CIRCUITPY_BOARD_SPI (2)
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#define CIRCUITPY_BOARD_SPI_PIN { \
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{.clock = &pin_GPIO39, .mosi = &pin_GPIO40, .miso = &pin_GPIO13}, /*SD*/ \
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{.clock = &pin_GPIO12, .mosi = &pin_GPIO11}, /*EPD*/ \
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}
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// UART pins attached to the USB-serial converter chip
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#define DEFAULT_UART_BUS_RX (&pin_GPIO44)
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#define DEFAULT_UART_BUS_TX (&pin_GPIO43)
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#define CIRCUITPY_CONSOLE_UART_TX DEFAULT_UART_BUS_TX
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#define CIRCUITPY_CONSOLE_UART_RX DEFAULT_UART_BUS_RX

‎ports/espressif/boards/elecrow_crowpanel_4_2_epaper/mpconfigboard.mk

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CIRCUITPY_CREATOR_ID = 0x1C350000
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CIRCUITPY_CREATION_ID = 0x00000001
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# This board doesn't have USB by default, it
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# instead uses a CH340C USB-to-Serial chip
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CIRCUITPY_USB_DEVICE = 0
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CIRCUITPY_ESP_USB_SERIAL_JTAG = 0
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IDF_TARGET = esp32s3
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CIRCUITPY_ESP_FLASH_SIZE = 8MB
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CIRCUITPY_ESP_FLASH_MODE = qio
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CIRCUITPY_ESP_FLASH_FREQ = 80m
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CIRCUITPY_ESP_PSRAM_SIZE = 8MB
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CIRCUITPY_ESP_PSRAM_MODE = opi
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CIRCUITPY_ESP_PSRAM_FREQ = 80m
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CIRCUITPY_ESPCAMERA = 0

‎ports/espressif/boards/elecrow_crowpanel_4_2_epaper/pins.c

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// This file is part of the CircuitPython project: https://circuitpython.org
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//
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// SPDX-FileCopyrightText: Copyright (c) 2020 Scott Shawcroft for Adafruit Industries
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//
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// SPDX-License-Identifier: MIT
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#include "shared-bindings/board/__init__.h"
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#include "shared-module/displayio/__init__.h"
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CIRCUITPY_BOARD_BUS_SINGLETON(tf_spi, spi, 0)
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CIRCUITPY_BOARD_BUS_SINGLETON(epd_spi, spi, 1)
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static const mp_rom_map_elem_t board_module_globals_table[] = {
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CIRCUITPYTHON_BOARD_DICT_STANDARD_ITEMS
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// Buttons
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{ MP_ROM_QSTR(MP_QSTR_BUTTON_BOOT), MP_ROM_PTR(&pin_GPIO0) },
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{ MP_ROM_QSTR(MP_QSTR_BUTTON_EXIT), MP_ROM_PTR(&pin_GPIO1) },
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{ MP_ROM_QSTR(MP_QSTR_BUTTON_MENU), MP_ROM_PTR(&pin_GPIO2) },
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// Rocker Switch
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{ MP_ROM_QSTR(MP_QSTR_ROCKER_DOWN), MP_ROM_PTR(&pin_GPIO4) },
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{ MP_ROM_QSTR(MP_QSTR_ROCKER_CLICK), MP_ROM_PTR(&pin_GPIO5) },
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{ MP_ROM_QSTR(MP_QSTR_ROCKER_UP), MP_ROM_PTR(&pin_GPIO6) },
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// LED
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{ MP_ROM_QSTR(MP_QSTR_LED), MP_ROM_PTR(&pin_GPIO41) },
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// Device Control (Pins that, when activated, enable devices)
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{ MP_ROM_QSTR(MP_QSTR_EPD_ENABLE), MP_ROM_PTR(&pin_GPIO7) },
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{ MP_ROM_QSTR(MP_QSTR_TF_ENABLE), MP_ROM_PTR(&pin_GPIO42) },
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// EPD
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{ MP_ROM_QSTR(MP_QSTR_EPD_BUSY), MP_ROM_PTR(&pin_GPIO48) },
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{ MP_ROM_QSTR(MP_QSTR_EPD_RES), MP_ROM_PTR(&pin_GPIO47) },
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{ MP_ROM_QSTR(MP_QSTR_EPD_DC), MP_ROM_PTR(&pin_GPIO46) },
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{ MP_ROM_QSTR(MP_QSTR_EPD_CS), MP_ROM_PTR(&pin_GPIO45) },
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{ MP_ROM_QSTR(MP_QSTR_EPD_CLK), MP_ROM_PTR(&pin_GPIO12) },
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{ MP_ROM_QSTR(MP_QSTR_EPD_MOSI), MP_ROM_PTR(&pin_GPIO11) },
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// TF Slot
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{ MP_ROM_QSTR(MP_QSTR_TF_CS), MP_ROM_PTR(&pin_GPIO10) },
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{ MP_ROM_QSTR(MP_QSTR_TF_MOSI), MP_ROM_PTR(&pin_GPIO40) },
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{ MP_ROM_QSTR(MP_QSTR_TF_CLK), MP_ROM_PTR(&pin_GPIO39) },
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{ MP_ROM_QSTR(MP_QSTR_TF_MISO), MP_ROM_PTR(&pin_GPIO13) },
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// User accessible GPIO
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{ MP_ROM_QSTR(MP_QSTR_IO3), MP_ROM_PTR(&pin_GPIO3) },
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{ MP_ROM_QSTR(MP_QSTR_IO8), MP_ROM_PTR(&pin_GPIO8) },
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{ MP_ROM_QSTR(MP_QSTR_IO9), MP_ROM_PTR(&pin_GPIO9) },
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{ MP_ROM_QSTR(MP_QSTR_IO14), MP_ROM_PTR(&pin_GPIO14) },
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{ MP_ROM_QSTR(MP_QSTR_IO15), MP_ROM_PTR(&pin_GPIO15) },
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{ MP_ROM_QSTR(MP_QSTR_IO16), MP_ROM_PTR(&pin_GPIO16) },
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{ MP_ROM_QSTR(MP_QSTR_IO17), MP_ROM_PTR(&pin_GPIO17) },
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{ MP_ROM_QSTR(MP_QSTR_IO18), MP_ROM_PTR(&pin_GPIO18) },
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{ MP_ROM_QSTR(MP_QSTR_IO19), MP_ROM_PTR(&pin_GPIO19) },
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{ MP_ROM_QSTR(MP_QSTR_IO20), MP_ROM_PTR(&pin_GPIO20) },
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{ MP_ROM_QSTR(MP_QSTR_IO21), MP_ROM_PTR(&pin_GPIO21) },
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{ MP_ROM_QSTR(MP_QSTR_IO38), MP_ROM_PTR(&pin_GPIO38) },
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// UART
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{ MP_ROM_QSTR(MP_QSTR_TX), MP_ROM_PTR(&pin_GPIO43) },
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{ MP_ROM_QSTR(MP_QSTR_RX), MP_ROM_PTR(&pin_GPIO44) },
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// Objects
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{ MP_ROM_QSTR(MP_QSTR_TF_SPI), MP_ROM_PTR(&board_tf_spi_obj) },
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{ MP_ROM_QSTR(MP_QSTR_EPD_SPI), MP_ROM_PTR(&board_epd_spi_obj) },
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{ MP_ROM_QSTR(MP_QSTR_UART), MP_ROM_PTR(&board_uart_obj) },
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{ MP_ROM_QSTR(MP_QSTR_DISPLAY), MP_ROM_PTR(&displays[0].display)},
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};
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MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table);

‎ports/espressif/boards/elecrow_crowpanel_4_2_epaper/sdkconfig

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

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