Adding ESP32-C2 2M flash board

Author: jeason1997

ports/espressif/boards/espressif_esp8684_devkitc_02_n2/board.c

@@ -0,0 +1,9 @@
+// This file is part of the CircuitPython project: https://circuitpython.org
+//
+// SPDX-FileCopyrightText: Copyright (c) 2020 Scott Shawcroft for Adafruit Industries
+//
+// SPDX-License-Identifier: MIT
+
+#include "supervisor/board.h"
+
+// Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here.

ports/espressif/boards/espressif_esp8684_devkitc_02_n2/mpconfigboard.h

@@ -0,0 +1,21 @@
+// This file is part of the CircuitPython project: https://circuitpython.org
+//
+// SPDX-FileCopyrightText: Copyright (c) 2020 Scott Shawcroft for Adafruit Industries
+//
+// SPDX-License-Identifier: MIT
+
+// Micropython setup
+
+#define MICROPY_HW_BOARD_NAME       "ESP8684-DevKitC-02-N2"
+#define MICROPY_HW_MCU_NAME         "ESP32C2"
+
+#define CIRCUITPY_RGB_STATUS_INVERTED_PWM
+#define CIRCUITPY_RGB_STATUS_R         (&pin_GPIO0)
+#define CIRCUITPY_RGB_STATUS_G         (&pin_GPIO1)
+#define CIRCUITPY_RGB_STATUS_B         (&pin_GPIO8)
+
+#define DEFAULT_UART_BUS_RX         (&pin_GPIO19)
+#define DEFAULT_UART_BUS_TX         (&pin_GPIO20)
+
+#define CIRCUITPY_CONSOLE_UART_RX DEFAULT_UART_BUS_RX
+#define CIRCUITPY_CONSOLE_UART_TX DEFAULT_UART_BUS_TX

ports/espressif/boards/espressif_esp8684_devkitc_02_n2/mpconfigboard.mk

@@ -0,0 +1,8 @@
+CIRCUITPY_CREATOR_ID = 0x000C303A
+CIRCUITPY_CREATION_ID = 0x00C20000
+
+IDF_TARGET = esp32c2
+
+CIRCUITPY_ESP_FLASH_MODE = qio
+CIRCUITPY_ESP_FLASH_FREQ = 60m
+CIRCUITPY_ESP_FLASH_SIZE = 2MB

ports/espressif/boards/espressif_esp8684_devkitc_02_n2/pins.c

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+#include "shared-bindings/board/__init__.h"
+
+static const mp_rom_map_elem_t board_module_globals_table[] = {
+    CIRCUITPYTHON_BOARD_DICT_STANDARD_ITEMS
+
+    { MP_ROM_QSTR(MP_QSTR_IO0), MP_ROM_PTR(&pin_GPIO0) },
+    { MP_ROM_QSTR(MP_QSTR_LED_RED), MP_ROM_PTR(&pin_GPIO0) },
+    { MP_ROM_QSTR(MP_QSTR_IO1), MP_ROM_PTR(&pin_GPIO1) },
+    { MP_ROM_QSTR(MP_QSTR_LED_GREEN), MP_ROM_PTR(&pin_GPIO1) },
+    { MP_ROM_QSTR(MP_QSTR_IO2), MP_ROM_PTR(&pin_GPIO2) },
+    { MP_ROM_QSTR(MP_QSTR_IO3), MP_ROM_PTR(&pin_GPIO3) },
+    { MP_ROM_QSTR(MP_QSTR_IO4), MP_ROM_PTR(&pin_GPIO4) },
+    { MP_ROM_QSTR(MP_QSTR_IO5), MP_ROM_PTR(&pin_GPIO5) },
+    { MP_ROM_QSTR(MP_QSTR_IO6), MP_ROM_PTR(&pin_GPIO6) },
+    { MP_ROM_QSTR(MP_QSTR_IO7), MP_ROM_PTR(&pin_GPIO7) },
+    { MP_ROM_QSTR(MP_QSTR_IO8), MP_ROM_PTR(&pin_GPIO8) },
+    { MP_ROM_QSTR(MP_QSTR_LED_BLUE), MP_ROM_PTR(&pin_GPIO8) },
+    { MP_ROM_QSTR(MP_QSTR_IO9), MP_ROM_PTR(&pin_GPIO9) },
+    { MP_ROM_QSTR(MP_QSTR_IO10), MP_ROM_PTR(&pin_GPIO10) },
+
+    { MP_ROM_QSTR(MP_QSTR_IO18), MP_ROM_PTR(&pin_GPIO18) },
+    { MP_ROM_QSTR(MP_QSTR_IO19), MP_ROM_PTR(&pin_GPIO19) },
+    { MP_ROM_QSTR(MP_QSTR_IO20), MP_ROM_PTR(&pin_GPIO20) },
+
+    { MP_ROM_QSTR(MP_QSTR_TX), MP_ROM_PTR(&pin_GPIO20) },
+    { MP_ROM_QSTR(MP_QSTR_RX), MP_ROM_PTR(&pin_GPIO19) },
+
+    { MP_ROM_QSTR(MP_QSTR_UART), MP_ROM_PTR(&board_uart_obj) },
+};
+MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table);

ports/espressif/boards/espressif_esp8684_devkitc_02_n2/sdkconfig

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+#
+# Espressif IoT Development Framework Configuration
+#
+#
+# Serial flasher config
+#
+CONFIG_ESPTOOLPY_MONITOR_BAUD=115200
+# end of Serial flasher config
+
+#
+# Component config
+#
+#
+# Hardware Settings
+#
+#
+# Main XTAL Config
+#
+CONFIG_XTAL_FREQ_26=y
+# CONFIG_XTAL_FREQ_40 is not set
+CONFIG_XTAL_FREQ=26
+# end of Main XTAL Config
+
+# end of Hardware Settings
+
+#
+# ESP System Settings
+#
+CONFIG_ESP_CONSOLE_UART_BAUDRATE=115200
+# end of ESP System Settings
+
+#
+# LWIP
+#
+# end of LWIP
+
+# end of Component config
+
+# end of Espressif IoT Development Framework Configuration