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added support for Pimoroni's Tufty2040
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‎ports/raspberrypi/boards/pimoroni_tufty2040/board.c‎

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/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2021 Scott Shawcroft for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "supervisor/board.h"
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#include "mpconfigboard.h"
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#include "common-hal/paralleldisplay/ParallelBus.h"
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#include "shared-module/displayio/__init__.h"
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#include "supervisor/shared/board.h"
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#define DELAY 0x80
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enum reg {
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SWRESET = 0x01,
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TEOFF = 0x34,
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TEON = 0x35,
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MADCTL = 0x36,
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COLMOD = 0x3A,
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GCTRL = 0xB7,
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VCOMS = 0xBB,
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LCMCTRL = 0xC0,
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VDVVRHEN = 0xC2,
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VRHS = 0xC3,
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VDVS = 0xC4,
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FRCTRL2 = 0xC6,
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PWCTRL1 = 0xD0,
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PORCTRL = 0xB2,
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GMCTRP1 = 0xE0,
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GMCTRN1 = 0xE1,
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INVOFF = 0x20,
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SLPOUT = 0x11,
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DISPON = 0x29,
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GAMSET = 0x26,
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DISPOFF = 0x28,
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RAMWR = 0x2C,
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INVON = 0x21,
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CASET = 0x2A,
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RASET = 0x2B,
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PWMFRSEL = 0xCC
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};
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enum MADCTL {
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ROW_ORDER = 0b10000000,
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COL_ORDER = 0b01000000,
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SWAP_XY = 0b00100000, // AKA "MV"
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SCAN_ORDER = 0b00010000,
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RGB_BGR = 0b00001000,
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HORIZ_ORDER = 0b00000100
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};
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uint8_t display_init_sequence[] = {
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SWRESET, DELAY, 0x64, // 100ms delay
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TEON, DELAY, 0x64,
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COLMOD, 1, 0x05,
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PORCTRL, 5, 0x0c, 0x0c, 0x00, 0x33, 0x33,
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LCMCTRL, 1, 0x2c,
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VDVVRHEN, 1, 0x01,
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VRHS, 1, 0x12,
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VDVS, 1, 0x20,
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PWCTRL1, 2, 0xa4, 0xa1,
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FRCTRL2, 1, 0x0f,
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GCTRL, 1, 0x35,
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VCOMS, 1, 0x1f,
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0xd6, 1, 0xa1,
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GMCTRP1, 14, 0xd0, 0x08, 0x11, 0x08, 0x0c, 0x15, 0x39, 0x33, 0x50, 0x36, 0x13, 0x14, 0x29, 0x2D,
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GMCTRN1, 14, 0xd0, 0x08, 0x10, 0x08, 0x06, 0x06, 0x39, 0x44, 0x51, 0x0b, 0x16, 0x14, 0x2f, 0x31,
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INVON, DELAY, 0x64,
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SLPOUT, DELAY, 0x64,
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DISPON, DELAY, 0x64,
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CASET, 4, 0x00, 0x00, 0x01, 0x3F,
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RASET, 4, 0x00, 0x00, 0x00, 0xEF,
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MADCTL, 1, ROW_ORDER | SWAP_XY | SCAN_ORDER,
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};
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void board_init(void) {
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paralleldisplay_parallelbus_obj_t *bus = &allocate_display_bus()->parallel_bus;
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bus->base.type = &paralleldisplay_parallelbus_type;
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common_hal_paralleldisplay_parallelbus_construct(bus,
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&pin_GPIO14, // Data0
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&pin_GPIO11, // Command or data
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&pin_GPIO10, // Chip select
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&pin_GPIO12, // Write
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&pin_GPIO13, // Read
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NULL, // Reset
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2500000); // Frequency (not fast enough to hit 60Hz, but seems to avoid the ghosting issue)
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displayio_display_obj_t *display = &allocate_display()->display;
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display->base.type = &displayio_display_type;
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common_hal_displayio_display_construct(display,
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bus,
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320, // Width
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240, // Height
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0, // column start
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0, // row start
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0, // rotation
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16, // Color depth
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false, // grayscale
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false, // pixels_in_byte_share_row (unused for depths > 8)
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1, // bytes per cell. Only valid for depths < 8
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false, // reverse_pixels_in_byte. Only valid for depths < 8
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true, // reverse_pixels_in_word
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CASET, // Set column command
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RASET, // Set row command
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RAMWR, // Write memory command
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display_init_sequence,
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sizeof(display_init_sequence),
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&pin_GPIO2, // Backlight pin
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NO_BRIGHTNESS_COMMAND,
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1.0f, // brightness (ignored)
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false, // single_byte_bounds
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false, // data_as_commands
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true, // auto_refresh
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60, // native_frames_per_second
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true, // backlight_on_high
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false, // SH1107_addressing
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250); // backlight pwm frequency (highest that will result 0.01 displaying an image)
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common_hal_never_reset_pin(&pin_GPIO2); // backlight pin
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}
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bool board_requests_safe_mode(void) {
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return false;
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}
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void reset_board(void) {
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}
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void board_deinit(void) {
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common_hal_displayio_release_displays();
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}

‎ports/raspberrypi/boards/pimoroni_tufty2040/mpconfigboard.h‎

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#define MICROPY_HW_BOARD_NAME "Pimoroni Tufty 2040"
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#define MICROPY_HW_MCU_NAME "rp2040"
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// Status LED
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#define MICROPY_HW_LED_STATUS (&pin_GPIO25)
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#define DEFAULT_UART_BUS_TX (&pin_GPIO0)
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#define DEFAULT_UART_BUS_RX (&pin_GPIO1)
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#define DEFAULT_I2C_BUS_SDA (&pin_GPIO4)
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#define DEFAULT_I2C_BUS_SCL (&pin_GPIO5)

‎ports/raspberrypi/boards/pimoroni_tufty2040/mpconfigboard.mk‎

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USB_VID = 0x2E8A
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USB_PID = 0x101B
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USB_PRODUCT = "Tufty 2040"
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USB_MANUFACTURER = "Pimoroni"
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CHIP_VARIANT = RP2040
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CHIP_FAMILY = rp2
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EXTERNAL_FLASH_DEVICES = "W25Q64JVxQ"
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CIRCUITPY__EVE = 1

‎ports/raspberrypi/boards/pimoroni_tufty2040/pico-sdk-configboard.h‎

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// Put board-specific pico-sdk definitions here. This file must exist.

‎ports/raspberrypi/boards/pimoroni_tufty2040/pins.c‎

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#include "shared-bindings/board/__init__.h"
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#include "shared-module/displayio/__init__.h"
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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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{ MP_ROM_QSTR(MP_QSTR_TX), MP_ROM_PTR(&pin_GPIO0) },
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{ MP_ROM_QSTR(MP_QSTR_GP0), MP_ROM_PTR(&pin_GPIO0) },
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{ MP_ROM_QSTR(MP_QSTR_RX), MP_ROM_PTR(&pin_GPIO1) },
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{ MP_ROM_QSTR(MP_QSTR_GP1), MP_ROM_PTR(&pin_GPIO1) },
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{ MP_ROM_QSTR(MP_QSTR_LCD_BACKLIGHT), MP_ROM_PTR(&pin_GPIO2) },
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{ MP_ROM_QSTR(MP_QSTR_INT), MP_ROM_PTR(&pin_GPIO3) },
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{ MP_ROM_QSTR(MP_QSTR_SDA), MP_ROM_PTR(&pin_GPIO4) },
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{ MP_ROM_QSTR(MP_QSTR_SCL), MP_ROM_PTR(&pin_GPIO5) },
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{ MP_ROM_QSTR(MP_QSTR_SW_DOWN), MP_ROM_PTR(&pin_GPIO6) },
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{ MP_ROM_QSTR(MP_QSTR_SW_A), MP_ROM_PTR(&pin_GPIO7) },
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{ MP_ROM_QSTR(MP_QSTR_SW_B), MP_ROM_PTR(&pin_GPIO8) },
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{ MP_ROM_QSTR(MP_QSTR_SW_C), MP_ROM_PTR(&pin_GPIO9) },
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{ MP_ROM_QSTR(MP_QSTR_SW_UP), MP_ROM_PTR(&pin_GPIO22) },
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{ MP_ROM_QSTR(MP_QSTR_LCD_CS), MP_ROM_PTR(&pin_GPIO10) },
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{ MP_ROM_QSTR(MP_QSTR_LCD_RS), MP_ROM_PTR(&pin_GPIO11) },
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{ MP_ROM_QSTR(MP_QSTR_LCD_WR), MP_ROM_PTR(&pin_GPIO12) },
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{ MP_ROM_QSTR(MP_QSTR_LCD_RD), MP_ROM_PTR(&pin_GPIO13) },
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{ MP_ROM_QSTR(MP_QSTR_LCD_DB0), MP_ROM_PTR(&pin_GPIO14) },
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{ MP_ROM_QSTR(MP_QSTR_LCD_DB1), MP_ROM_PTR(&pin_GPIO15) },
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{ MP_ROM_QSTR(MP_QSTR_LCD_DB2), MP_ROM_PTR(&pin_GPIO16) },
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{ MP_ROM_QSTR(MP_QSTR_LCD_DB3), MP_ROM_PTR(&pin_GPIO17) },
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{ MP_ROM_QSTR(MP_QSTR_LCD_DB4), MP_ROM_PTR(&pin_GPIO18) },
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{ MP_ROM_QSTR(MP_QSTR_LCD_DB5), MP_ROM_PTR(&pin_GPIO19) },
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{ MP_ROM_QSTR(MP_QSTR_LCD_DB6), MP_ROM_PTR(&pin_GPIO20) },
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{ MP_ROM_QSTR(MP_QSTR_LCD_DB7), MP_ROM_PTR(&pin_GPIO21) },
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{ MP_ROM_QSTR(MP_QSTR_USER_SW), MP_ROM_PTR(&pin_GPIO23) },
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{ MP_ROM_QSTR(MP_QSTR_VBUS_DETECT), MP_ROM_PTR(&pin_GPIO24) },
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{ MP_ROM_QSTR(MP_QSTR_USER_LED), MP_ROM_PTR(&pin_GPIO25) },
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{ MP_ROM_QSTR(MP_QSTR_LIGHT_SENSE), MP_ROM_PTR(&pin_GPIO26) },
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{ MP_ROM_QSTR(MP_QSTR_SENSOR_POWER), MP_ROM_PTR(&pin_GPIO27) },
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{ MP_ROM_QSTR(MP_QSTR_REF_1V2), MP_ROM_PTR(&pin_GPIO28) },
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{ MP_ROM_QSTR(MP_QSTR_VBAT_SENSE), MP_ROM_PTR(&pin_GPIO29) },
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{ MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_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);

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