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Merge pull request #6256 from askpatrickw/lolin-c3-mini
Wemos Lolin C3 Mini Board
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‎ports/espressif/boards/lolin_c3_mini/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 "shared-bindings/microcontroller/Pin.h"
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#include "supervisor/board.h"
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#include "components/driver/include/driver/gpio.h"
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void board_init(void) {
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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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bool espressif_board_reset_pin_number(gpio_num_t pin_number) {
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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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}

‎ports/espressif/boards/lolin_c3_mini/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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// Board setup
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#define MICROPY_HW_BOARD_NAME "Wemos Lolin C3 Mini" // from Wemos MP
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#define MICROPY_HW_MCU_NAME "ESP32-C3FH4" // from Wemos MP
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// From Wemos C3 Mini Schematic
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// https://www.wemos.cc/en/latest/_static/files/sch_c3_mini_v1.0.0.pdf
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// And MP Config
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// https://github.com/micropython/micropython/blob/master/ports/esp32/boards/LOLIN_C3_MINI
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// Status LED
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#define MICROPY_HW_NEOPIXEL (&pin_GPIO7)
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#define CIRCUITPY_BOARD_I2C (1)
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#define CIRCUITPY_BOARD_I2C_PIN {{.scl = &pin_GPIO6, .sda = &pin_GPIO5}}
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#define CIRCUITPY_BOARD_SPI (1)
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#define CIRCUITPY_BOARD_SPI_PIN {{.clock = &pin_GPIO10, .mosi = &pin_GPIO7, .miso = &pin_GPIO8}}
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#define CIRCUITPY_BOARD_UART (1)
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#define CIRCUITPY_BOARD_UART_PIN {{.tx = &pin_GPIO21, .rx = &pin_GPIO20}}
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// Explanation of how a user got into safe mode
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#define BOARD_USER_SAFE_MODE_ACTION translate("pressing boot button at start up.\n")
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#define CIRCUITPY_ESP_USB_SERIAL_JTAG (1)

‎ports/espressif/boards/lolin_c3_mini/mpconfigboard.mk

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CIRCUITPY_CREATOR_ID = 0x19881988
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CIRCUITPY_CREATION_ID = 0x00C30001
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IDF_TARGET = esp32c3
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INTERNAL_FLASH_FILESYSTEM = 1
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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=4MB

‎ports/espressif/boards/lolin_c3_mini/pins.c

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#include "shared-bindings/board/__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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// C3 Mini Board
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// Wemos Lolin C3 Mini Schematic
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// https://www.wemos.cc/en/latest/_static/files/sch_c3_mini_v1.0.0.pdf
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// Starting on Left side going counterclockwise
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// MP Config
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// https://github.com/micropython/micropython/blob/master/ports/esp32/boards/LOLIN_C3_MINI
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// C3 Data Sheet
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// https://www.espressif.com/sites/default/files/documentation/esp32-c3_datasheet_en.pdf
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{ MP_ROM_QSTR(MP_QSTR_IO0), MP_ROM_PTR(&pin_GPIO0) },
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{ MP_ROM_QSTR(MP_QSTR_A0), MP_ROM_PTR(&pin_GPIO0) },
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{ MP_ROM_QSTR(MP_QSTR_D0), MP_ROM_PTR(&pin_GPIO0) },
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{ MP_ROM_QSTR(MP_QSTR_IO1), MP_ROM_PTR(&pin_GPIO1) },
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{ MP_ROM_QSTR(MP_QSTR_A1), MP_ROM_PTR(&pin_GPIO1) },
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{ MP_ROM_QSTR(MP_QSTR_D1), MP_ROM_PTR(&pin_GPIO1) },
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{ MP_ROM_QSTR(MP_QSTR_IO2), MP_ROM_PTR(&pin_GPIO2) },
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{ MP_ROM_QSTR(MP_QSTR_A2), MP_ROM_PTR(&pin_GPIO2) },
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{ MP_ROM_QSTR(MP_QSTR_D2), MP_ROM_PTR(&pin_GPIO2) },
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{ MP_ROM_QSTR(MP_QSTR_IO3), MP_ROM_PTR(&pin_GPIO3) },
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{ MP_ROM_QSTR(MP_QSTR_A3), MP_ROM_PTR(&pin_GPIO3) },
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{ MP_ROM_QSTR(MP_QSTR_D3), MP_ROM_PTR(&pin_GPIO3) },
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{ MP_ROM_QSTR(MP_QSTR_MISO), MP_ROM_PTR(&pin_GPIO3) },
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{ MP_ROM_QSTR(MP_QSTR_IO4), MP_ROM_PTR(&pin_GPIO4) },
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{ MP_ROM_QSTR(MP_QSTR_A4), MP_ROM_PTR(&pin_GPIO4) },
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{ MP_ROM_QSTR(MP_QSTR_D4), MP_ROM_PTR(&pin_GPIO4) },
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{ MP_ROM_QSTR(MP_QSTR_MOSI), MP_ROM_PTR(&pin_GPIO4) },
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{ MP_ROM_QSTR(MP_QSTR_IO5), MP_ROM_PTR(&pin_GPIO5) },
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{ MP_ROM_QSTR(MP_QSTR_A5), MP_ROM_PTR(&pin_GPIO5) },
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{ MP_ROM_QSTR(MP_QSTR_D5), MP_ROM_PTR(&pin_GPIO5) },
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{ MP_ROM_QSTR(MP_QSTR_SDA), MP_ROM_PTR(&pin_GPIO5) },
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{ MP_ROM_QSTR(MP_QSTR_IO6), MP_ROM_PTR(&pin_GPIO6) },
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{ MP_ROM_QSTR(MP_QSTR_D6), MP_ROM_PTR(&pin_GPIO6) },
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{ MP_ROM_QSTR(MP_QSTR_SCL), MP_ROM_PTR(&pin_GPIO6) },
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{ MP_ROM_QSTR(MP_QSTR_IO7), MP_ROM_PTR(&pin_GPIO7) },
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{ MP_ROM_QSTR(MP_QSTR_D7), MP_ROM_PTR(&pin_GPIO7) },
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{ MP_ROM_QSTR(MP_QSTR_LED), MP_ROM_PTR(&pin_GPIO7) },
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{ MP_ROM_QSTR(MP_QSTR_IO8), MP_ROM_PTR(&pin_GPIO8) },
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{ MP_ROM_QSTR(MP_QSTR_D8), 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_BOOT0), MP_ROM_PTR(&pin_GPIO9) },
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{ MP_ROM_QSTR(MP_QSTR_BUTTON), MP_ROM_PTR(&pin_GPIO9) },
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{ MP_ROM_QSTR(MP_QSTR_IO10), MP_ROM_PTR(&pin_GPIO10) },
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{ MP_ROM_QSTR(MP_QSTR_D10), MP_ROM_PTR(&pin_GPIO10) },
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{ MP_ROM_QSTR(MP_QSTR_SCK), MP_ROM_PTR(&pin_GPIO10) },
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{ MP_ROM_QSTR(MP_QSTR_IO20), MP_ROM_PTR(&pin_GPIO20) },
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{ MP_ROM_QSTR(MP_QSTR_A7), MP_ROM_PTR(&pin_GPIO20) },
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{ MP_ROM_QSTR(MP_QSTR_RX), 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_A6), MP_ROM_PTR(&pin_GPIO21) },
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{ MP_ROM_QSTR(MP_QSTR_TX), MP_ROM_PTR(&pin_GPIO21) },
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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_SPI), MP_ROM_PTR(&board_spi_obj) },
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{ MP_ROM_QSTR(MP_QSTR_UART), MP_ROM_PTR(&board_uart_obj) },
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};
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MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table);

‎ports/espressif/boards/lolin_c3_mini/sdkconfig

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#
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# LWIP
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#
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CONFIG_LWIP_LOCAL_HOSTNAME="lolin-c3-mini"
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# end of LWIP
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‎tools/build_board_info.py

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"ai_thinker_esp32-c3s-2m": BIN,
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"espressif_esp32c3_devkitm_1_n4": BIN,
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"lilygo_ttgo_t-01c3": BIN,
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"lolin_c3_mini": BIN,
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"microdev_micro_c3": BIN,
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"lilygo_ttgo_t-oi-plus": BIN,
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# broadcom

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