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espressif_esp32_devkitc_v4_wroom_32e with 4MB SPI flash, no SPI ram
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‎ports/espressif/boards/espressif_esp32_devkitc_v4_wroom_32e/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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// Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here.

‎ports/espressif/boards/espressif_esp32_devkitc_v4_wroom_32e/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) 2022 Dan Halbert 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 "Espressif ESP32 DevKitc V4 WROOM-32E"
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#define MICROPY_HW_MCU_NAME "ESP32"
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#define CIRCUITPY_BOARD_I2C (1)
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#define CIRCUITPY_BOARD_I2C_PIN {{.scl = &pin_GPIO22, .sda = &pin_GPIO23}}
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#define CIRCUITPY_BOARD_SPI (1)
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#define CIRCUITPY_BOARD_SPI_PIN {{.clock = &pin_GPIO5, .mosi = &pin_GPIO18, .miso = &pin_GPIO19}}
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#define CIRCUITPY_BOARD_UART (1)
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#define CIRCUITPY_BOARD_UART_PIN {{.tx = &pin_GPIO17, .rx = &pin_GPIO16}}
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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/espressif_esp32_devkitc_v4_wroom_32e/mpconfigboard.mk

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CIRCUITPY_CREATOR_ID = 0x00000000
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CIRCUITPY_CREATION_ID = 0x00000000
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IDF_TARGET = esp32
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CIRCUITPY_ESP_FLASH_MODE = qio
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CIRCUITPY_ESP_FLASH_FREQ = 40m
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CIRCUITPY_ESP_FLASH_SIZE = 4MB
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CIRCUITPY_ESPCAMERA = 0

‎ports/espressif/boards/espressif_esp32_devkitc_v4_wroom_32e/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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// External pins are in silkscreen order, from top to bottom, left side, then right side
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// Left Side
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// Pins dedicated to SPI flash
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{ MP_ROM_QSTR(MP_QSTR_CLK), MP_ROM_PTR(&pin_GPIO6) },
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{ MP_ROM_QSTR(MP_QSTR_IO6), MP_ROM_PTR(&pin_GPIO6) },
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{ MP_ROM_QSTR(MP_QSTR_D0), MP_ROM_PTR(&pin_GPIO7) },
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{ MP_ROM_QSTR(MP_QSTR_IO7), MP_ROM_PTR(&pin_GPIO7) },
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{ MP_ROM_QSTR(MP_QSTR_D1), MP_ROM_PTR(&pin_GPIO8) },
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{ MP_ROM_QSTR(MP_QSTR_IO8), MP_ROM_PTR(&pin_GPIO8) },
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// Normal pins
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{ MP_ROM_QSTR(MP_QSTR_IO15), MP_ROM_PTR(&pin_GPIO15) },
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{ MP_ROM_QSTR(MP_QSTR_IO2), MP_ROM_PTR(&pin_GPIO2) },
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{ MP_ROM_QSTR(MP_QSTR_IO0), MP_ROM_PTR(&pin_GPIO0) },
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{ MP_ROM_QSTR(MP_QSTR_IO4), MP_ROM_PTR(&pin_GPIO4) },
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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_IO5), MP_ROM_PTR(&pin_GPIO5) },
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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_IO21), MP_ROM_PTR(&pin_GPIO21) },
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// UART on silkscreen
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{ MP_ROM_QSTR(MP_QSTR_IO3), MP_ROM_PTR(&pin_GPIO3) },
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{ MP_ROM_QSTR(MP_QSTR_RX), MP_ROM_PTR(&pin_GPIO3) },
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{ MP_ROM_QSTR(MP_QSTR_IO1), MP_ROM_PTR(&pin_GPIO1) },
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{ MP_ROM_QSTR(MP_QSTR_TX), MP_ROM_PTR(&pin_GPIO1) },
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// Normal pins
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{ MP_ROM_QSTR(MP_QSTR_IO22), MP_ROM_PTR(&pin_GPIO22) },
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{ MP_ROM_QSTR(MP_QSTR_IO23), MP_ROM_PTR(&pin_GPIO23) },
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// Right side
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// Pins dedicated to SPI flash
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{ MP_ROM_QSTR(MP_QSTR_CMD), MP_ROM_PTR(&pin_GPIO11) },
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{ MP_ROM_QSTR(MP_QSTR_IO11), MP_ROM_PTR(&pin_GPIO11) },
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{ MP_ROM_QSTR(MP_QSTR_D3), MP_ROM_PTR(&pin_GPIO10) },
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{ MP_ROM_QSTR(MP_QSTR_IO10), MP_ROM_PTR(&pin_GPIO10) },
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{ MP_ROM_QSTR(MP_QSTR_D2), MP_ROM_PTR(&pin_GPIO9) },
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{ MP_ROM_QSTR(MP_QSTR_IO9), MP_ROM_PTR(&pin_GPIO9) },
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// Normal pins
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{ MP_ROM_QSTR(MP_QSTR_IO13), MP_ROM_PTR(&pin_GPIO13) },
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{ MP_ROM_QSTR(MP_QSTR_IO12), MP_ROM_PTR(&pin_GPIO12) },
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{ MP_ROM_QSTR(MP_QSTR_IO14), MP_ROM_PTR(&pin_GPIO14) },
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{ MP_ROM_QSTR(MP_QSTR_IO27), MP_ROM_PTR(&pin_GPIO27) },
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{ MP_ROM_QSTR(MP_QSTR_IO26), MP_ROM_PTR(&pin_GPIO26) },
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{ MP_ROM_QSTR(MP_QSTR_IO25), MP_ROM_PTR(&pin_GPIO25) },
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{ MP_ROM_QSTR(MP_QSTR_IO33), MP_ROM_PTR(&pin_GPIO33) },
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{ MP_ROM_QSTR(MP_QSTR_IO32), MP_ROM_PTR(&pin_GPIO32) },
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// Input-only pins, VP/VN on silkscreen
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{ MP_ROM_QSTR(MP_QSTR_I35), MP_ROM_PTR(&pin_GPIO35) },
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{ MP_ROM_QSTR(MP_QSTR_I34), MP_ROM_PTR(&pin_GPIO34) },
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{ MP_ROM_QSTR(MP_QSTR_I39), MP_ROM_PTR(&pin_GPIO39) },
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{ MP_ROM_QSTR(MP_QSTR_VN), MP_ROM_PTR(&pin_GPIO39) },
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{ MP_ROM_QSTR(MP_QSTR_I36), MP_ROM_PTR(&pin_GPIO36) },
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{ MP_ROM_QSTR(MP_QSTR_VP), MP_ROM_PTR(&pin_GPIO36) }
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};
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MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table);

‎ports/espressif/boards/espressif_esp32_devkitc_v4_wroom_32e/sdkconfig

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