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kreierkreier
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create copy of 16M version as starting point
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‎ports/espressif/boards/lilygo_ttgo_tdisplay_esp32_4m/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) 2020 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 "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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#define DELAY 0x80
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// display init sequence according to LilyGO example app
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uint8_t display_init_sequence[] = {
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0x01, DELAY, 0x96, // _SWRESET and Delay 150ms
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0x11, DELAY, 0xFF, // _SLPOUT and Delay 500ms
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0x3A, DELAY | 1, 0x55, 0x0A, // _COLMOD and Delay 10ms
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0x36, 0x01, 0x08, // _MADCTL
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0x21, DELAY, 0x0A, // _INVON Hack and Delay 10ms
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0x13, DELAY, 0x0A, // _NORON and Delay 10ms
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0x36, 0x01, 0xC0, // _MADCTL
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0x29, DELAY, 0xFF, // _DISPON and Delay 500ms
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};
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static void display_init(void) {
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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(
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spi,
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&pin_GPIO18, // CLK
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&pin_GPIO19, // MOSI
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NULL, // MISO not connected
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false); // Not half-duplex
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common_hal_busio_spi_never_reset(spi);
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bus->base.type = &fourwire_fourwire_type;
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common_hal_fourwire_fourwire_construct(
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bus,
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spi,
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&pin_GPIO16, // DC
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&pin_GPIO5, // CS
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&pin_GPIO23, // RST
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24000000, // baudrate (default from the driver)
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// 40000000,
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0, // polarity
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0 // phase
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);
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busdisplay_busdisplay_obj_t *display = &allocate_display()->display;
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display->base.type = &busdisplay_busdisplay_type;
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common_hal_busdisplay_busdisplay_construct(
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display,
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bus,
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240, // width (after rotation)
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135, // height (after rotation)
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53, // column start
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40, // row start
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270, // rotation
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16, // color depth
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false, // grayscale
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false, // pixels in a byte share a row. Only valid 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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MIPI_COMMAND_SET_COLUMN_ADDRESS, // set column command
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MIPI_COMMAND_SET_PAGE_ADDRESS, // set row command
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MIPI_COMMAND_WRITE_MEMORY_START, // write memory command
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display_init_sequence,
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sizeof(display_init_sequence),
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&pin_GPIO4, // backlight pin
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NO_BRIGHTNESS_COMMAND,
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1.0f, // brightness
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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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50000 // backlight pwm frequency
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);
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}
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void board_init(void) {
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// Display
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display_init();
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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/lilygo_ttgo_tdisplay_esp32_4m/mpconfigboard.h

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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) 2019 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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// Micropython setup
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#define MICROPY_HW_BOARD_NAME "LILYGO TTGO T-DISPLAY v1.1"
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#define MICROPY_HW_MCU_NAME "ESP32"
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// UART pins attached to the USB-serial converter chip
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#define CIRCUITPY_CONSOLE_UART_TX (&pin_GPIO1)
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#define CIRCUITPY_CONSOLE_UART_RX (&pin_GPIO3)

‎ports/espressif/boards/lilygo_ttgo_tdisplay_esp32_4m/mpconfigboard.mk

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CIRCUITPY_CREATOR_ID = 0xC3C30000
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CIRCUITPY_CREATION_ID = 0x00320002
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IDF_TARGET = esp32
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CIRCUITPY_ESP_FLASH_MODE = qio
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CIRCUITPY_ESP_FLASH_FREQ = 80m
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CIRCUITPY_ESP_FLASH_SIZE = 16MB
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CIRCUITPY_ESPCAMERA = 0

‎ports/espressif/boards/lilygo_ttgo_tdisplay_esp32_4m/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_BUTTON0), MP_ROM_PTR(&pin_GPIO0) },
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{ MP_ROM_QSTR(MP_QSTR_IO0), MP_ROM_PTR(&pin_GPIO0) },
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{ MP_ROM_QSTR(MP_QSTR_BUTTON1), MP_ROM_PTR(&pin_GPIO35) },
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{ MP_ROM_QSTR(MP_QSTR_IO35), MP_ROM_PTR(&pin_GPIO35) },
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{ MP_ROM_QSTR(MP_QSTR_IO2), MP_ROM_PTR(&pin_GPIO2) },
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{ MP_ROM_QSTR(MP_QSTR_IO12), MP_ROM_PTR(&pin_GPIO12) },
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{ MP_ROM_QSTR(MP_QSTR_IO13), MP_ROM_PTR(&pin_GPIO13) },
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{ MP_ROM_QSTR(MP_QSTR_IO15), MP_ROM_PTR(&pin_GPIO15) },
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{ MP_ROM_QSTR(MP_QSTR_IO17), MP_ROM_PTR(&pin_GPIO17) },
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{ MP_ROM_QSTR(MP_QSTR_IO21), MP_ROM_PTR(&pin_GPIO21) },
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{ MP_ROM_QSTR(MP_QSTR_IO22), MP_ROM_PTR(&pin_GPIO22) },
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{ MP_ROM_QSTR(MP_QSTR_IO25), MP_ROM_PTR(&pin_GPIO25) },
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{ MP_ROM_QSTR(MP_QSTR_IO26), MP_ROM_PTR(&pin_GPIO26) },
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{ MP_ROM_QSTR(MP_QSTR_IO27), MP_ROM_PTR(&pin_GPIO27) },
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{ MP_ROM_QSTR(MP_QSTR_IO32), MP_ROM_PTR(&pin_GPIO32) },
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{ MP_ROM_QSTR(MP_QSTR_IO33), MP_ROM_PTR(&pin_GPIO33) },
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{ MP_ROM_QSTR(MP_QSTR_IO37), MP_ROM_PTR(&pin_GPIO37) },
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{ MP_ROM_QSTR(MP_QSTR_IO38), MP_ROM_PTR(&pin_GPIO38) },
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// 1.14 inch LCD ST7789
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{ MP_ROM_QSTR(MP_QSTR_LCD_MOSI), MP_ROM_PTR(&pin_GPIO19) },
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{ MP_ROM_QSTR(MP_QSTR_LCD_CLK), MP_ROM_PTR(&pin_GPIO18) },
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{ MP_ROM_QSTR(MP_QSTR_LCD_CS), MP_ROM_PTR(&pin_GPIO5) },
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{ MP_ROM_QSTR(MP_QSTR_LCD_RST), MP_ROM_PTR(&pin_GPIO23) },
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{ MP_ROM_QSTR(MP_QSTR_LCD_BCKL), MP_ROM_PTR(&pin_GPIO4) },
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{ MP_ROM_QSTR(MP_QSTR_LCD_D_C), MP_ROM_PTR(&pin_GPIO16) },
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{ MP_ROM_QSTR(MP_QSTR_DISPLAY), MP_ROM_PTR(&displays[0].display) },
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// Battery Sense
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{ MP_ROM_QSTR(MP_QSTR_BATTERY), MP_ROM_PTR(&pin_GPIO34) },
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};
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MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table);

‎ports/espressif/boards/lilygo_ttgo_tdisplay_esp32_4m/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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CONFIG_LWIP_LOCAL_HOSTNAME="TTGO-TDISPLAY"
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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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