domdfcoding
diff --git a/‎ports/espressif/Makefile
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diff --git a/‎ports/espressif/boards/adafruit_qtpy_esp32c3/board.c
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diff --git a/‎ports/espressif/boards/adafruit_qtpy_esp32c3/mpconfigboard.h
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diff --git a/‎ports/espressif/boards/adafruit_qtpy_esp32c3/mpconfigboard.mk
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diff --git a/‎ports/espressif/boards/adafruit_qtpy_esp32c3/pins.c
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diff --git a/< 9E7A code>‎ports/espressif/boards/adafruit_qtpy_esp32c3/sdkconfig
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diff --git a/‎ports/espressif/common-hal/microcontroller/Pin.c
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diff --git a/‎ports/espressif/esp-idf-config/sdkconfig-opt.defaults
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diff --git a/‎ports/espressif/mpconfigport.h
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@@ -262,6 +262,11 @@ SRC_C += \
 endif
 endif
 
+ifeq ($(IDF_TARGET),esp32c3)
+SRC_C += \
+	supervisor/usb_serial_jtag.c
+endif
+
 $(BUILD)/i2s_lcd_esp32s2_driver.o: CFLAGS += -Wno-sign-compare
 
 ifneq ($(CIRCUITPY_USB),0)
 
@@ -0,0 +1,49 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2021 microDev
+ * Copyright (c) 2021 skieast/Bruce Segal
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "shared-bindings/microcontroller/Pin.h"
+#include "supervisor/board.h"
+
+#include "components/driver/include/driver/gpio.h"
+#include "soc/usb_serial_jtag_struct.h"
+
+void board_init(void) {
+}
+
+bool board_requests_safe_mode(void) {
+    return false;
+}
+
+bool espressif_board_reset_pin_number(gpio_num_t pin_number) {
+    return false;
+}
+
+void reset_board(void) {
+}
+
+void board_deinit(void) {
+}
@@ -0,0 +1,48 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2021 microDev
+ * Copyright (c) 2021 skieast/Bruce Segal
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+// Board setup
+#define MICROPY_HW_BOARD_NAME       "Adafruit QT Py ESP32C3"
+#define MICROPY_HW_MCU_NAME         "ESP32-C3FN4"
+
+// Status LED
+#define MICROPY_HW_NEOPIXEL         (&pin_GPIO2)
+
+#define CIRCUITPY_BOARD_I2C         (1)
+#define CIRCUITPY_BOARD_I2C_PIN     {{.scl = &pin_GPIO6, .sda = &pin_GPIO5}}
+
+#define CIRCUITPY_BOARD_SPI         (1)
+#define CIRCUITPY_BOARD_SPI_PIN     {{.clock = &pin_GPIO10, .mosi = &pin_GPIO7, .miso = &pin_GPIO8}}
+
+#define CIRCUITPY_BOARD_UART        (1)
+#define CIRCUITPY_BOARD_UART_PIN    {{.tx = &pin_GPIO21, .rx = &pin_GPIO20}}
+
+// For entering safe mode
+#define CIRCUITPY_BOOT_BUTTON       (&pin_GPIO9)
+
+// Explanation of how a user got into safe mode
+#define BOARD_USER_SAFE_MODE_ACTION translate("pressing boot button at start up.\n")
@@ -0,0 +1,10 @@
+CIRCUITPY_CREATOR_ID =  0x0000239A
+CIRCUITPY_CREATION_ID = 0x00010001
+
+IDF_TARGET = esp32c3
+
+INTERNAL_FLASH_FILESYSTEM = 1
+
+CIRCUITPY_ESP_FLASH_MODE=dio
+CIRCUITPY_ESP_FLASH_FREQ=80m
+CIRCUITPY_ESP_FLASH_SIZE=4MB
@@ -0,0 +1,85 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2021 microDev
+ * Copyright (c) 2021 skieast/Bruce Segal
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "shared-bindings/board/__init__.h"
+
+#include "shared-bindings/board/__init__.h"
+
+CIRCUITPY_BOARD_BUS_SINGLETON(stemma_i2c, i2c, 1)
+
+STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
+    CIRCUITPYTHON_BOARD_DICT_STANDARD_ITEMS
+
+    { MP_ROM_QSTR(MP_QSTR_BUTTON), MP_ROM_PTR(&pin_GPIO9) },
+    { MP_ROM_QSTR(MP_QSTR_BOOT0), MP_ROM_PTR(&pin_GPIO9) },
+    { MP_ROM_QSTR(MP_QSTR_D0), MP_ROM_PTR(&pin_GPIO9) },
+
+    { MP_ROM_QSTR(MP_QSTR_A0), MP_ROM_PTR(&pin_GPIO4) },
+    { MP_ROM_QSTR(MP_QSTR_D18), MP_ROM_PTR(&pin_GPIO4) },
+
+    { MP_ROM_QSTR(MP_QSTR_A1), MP_ROM_PTR(&pin_GPIO3) },
+    { MP_ROM_QSTR(MP_QSTR_D17), MP_ROM_PTR(&pin_GPIO3) },
+
+    { MP_ROM_QSTR(MP_QSTR_A2), MP_ROM_PTR(&pin_GPIO1) },
+    { MP_ROM_QSTR(MP_QSTR_D9), MP_ROM_PTR(&pin_GPIO1) },
+
+    { MP_ROM_QSTR(MP_QSTR_A3), MP_ROM_PTR(&pin_GPIO0) },
+    { MP_ROM_QSTR(MP_QSTR_D8), MP_ROM_PTR(&pin_GPIO0) },
+
+    { MP_ROM_QSTR(MP_QSTR_SDA), MP_ROM_PTR(&pin_GPIO5) },
+    { MP_ROM_QSTR(MP_QSTR_D7), MP_ROM_PTR(&pin_GPIO5) },
+    { MP_ROM_QSTR(MP_QSTR_A4), MP_ROM_PTR(&pin_GPIO5) },
+
+    { MP_ROM_QSTR(MP_QSTR_SCL), MP_ROM_PTR(&pin_GPIO6) },
+    { MP_ROM_QSTR(MP_QSTR_D6), MP_ROM_PTR(&pin_GPIO6) },
+    { MP_ROM_QSTR(MP_QSTR_A5), MP_ROM_PTR(&pin_GPIO6) },
+
+    { MP_ROM_QSTR(MP_QSTR_TX), MP_ROM_PTR(&pin_GPIO21) },
+    { MP_ROM_QSTR(MP_QSTR_D5), MP_ROM_PTR(&pin_GPIO21) },
+    { MP_ROM_QSTR(MP_QSTR_A6), MP_ROM_PTR(&pin_GPIO21) },
+
+    { MP_ROM_QSTR(MP_QSTR_RX), MP_ROM_PTR(&pin_GPIO20) },
+    { MP_ROM_QSTR(MP_QSTR_D16), MP_ROM_PTR(&pin_GPIO20) },
+    { MP_ROM_QSTR(MP_QSTR_A7), MP_ROM_PTR(&pin_GPIO20) },
+
+    { MP_ROM_QSTR(MP_QSTR_MOSI), MP_ROM_PTR(&pin_GPIO7) },
+    { MP_ROM_QSTR(MP_QSTR_D35), MP_ROM_PTR(&pin_GPIO7) },
+
+    { MP_ROM_QSTR(MP_QSTR_SCK), MP_ROM_PTR(&pin_GPIO10) },
+    { MP_ROM_QSTR(MP_QSTR_D36), MP_ROM_PTR(&pin_GPIO10) },
+
+    { MP_ROM_QSTR(MP_QSTR_MISO), MP_ROM_PTR(&pin_GPIO8) },
+    { MP_ROM_QSTR(MP_QSTR_D37), MP_ROM_PTR(&pin_GPIO8) },
+
+    { MP_ROM_QSTR(MP_QSTR_NEOPIXEL), MP_ROM_PTR(&pin_GPIO2) },
+
+    { MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },
+    { MP_ROM_QSTR(MP_QSTR_STEMMA_I2C), MP_ROM_PTR(&board_i2c_obj) },
+    { MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&board_spi_obj) },
+    { MP_ROM_QSTR(MP_QSTR_UART), MP_ROM_PTR(&board_uart_obj) },
+};
+MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table);
@@ -0,0 +1,108 @@
+#
+# Bootloader config
+#
+CONFIG_BOOTLOADER_LOG_LEVEL_NONE=y
+# CONFIG_BOOTLOADER_LOG_LEVEL_INFO is not set
+CONFIG_BOOTLOADER_LOG_LEVEL=0
+# end of Bootloader config
+
+# CONFIG_ESPTOOLPY_FLASHFREQ_26M is not set
+#
+# Partition Table
+#
+CONFIG_PARTITION_TABLE_CUSTOM_FILENAME="esp-idf-config/partitions-4MB-no-uf2.csv"
+CONFIG_PARTITION_TABLE_FILENAME="esp-idf-config/partitions-4MB-no-uf2.csv"
+# end of Partition Table
+
+# CONFIG_COMPILER_SAVE_RESTORE_LIBCALLS is not set
+#
+# Bluetooth
+#
+CONFIG_BT_SOC_SUPPORT_5_0=y
+# end of Bluetooth
+
+CONFIG_BT_CTRL_HW_CCA_VAL=20
+#
+# NimBLE Options
+#
+CONFIG_BT_NIMBLE_PINNED_TO_CORE=0
+# end of NimBLE Options
+
+# CONFIG_BLE_MESH is not set
+#
+# ESP System Settings
+#
+# CONFIG_ESP_SYSTEM_USE_EH_FRAME is not set
+# CONFIG_ESP_CONSOLE_USB_SERIAL_JTAG is not set
+CONFIG_ESP_CONSOLE_SECONDARY_NONE=y
+# CONFIG_ESP_CONSOLE_SECONDARY_USB_SERIAL_JTAG is not set
+# CONFIG_ESP_DEBUG_STUBS_ENABLE is not set
+# end of ESP System Settings
+
+CONFIG_ESP32_WIFI_SW_COEXIST_ENABLE=y
+#
+# LWIP
+#
+CONFIG_LWIP_LOCAL_HOSTNAME="Adafruit-QTPy-ESP32C3"
+# end of LWIP
+
+# CONFIG_MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH is not set
+#
+# mbedTLS v2.28.x related
+#
+CONFIG_MBEDTLS_ECDH_LEGACY_CONTEXT=y
+# CONFIG_MBEDTLS_X509_TRUSTED_CERT_CALLBACK is not set
+# CONFIG_MBEDTLS_SSL_CONTEXT_SERIALIZATION is not set
+CONFIG_MBEDTLS_SSL_KEEP_PEER_CERTIFICATE=y
+# end of mbedTLS v2.28.x related
+
+# CONFIG_MBEDTLS_SSL_DTLS_CONNECTION_ID is not set
+#
+# DTLS-based configurations
+#
+# CONFIG_MBEDTLS_SSL_DTLS_SRTP is not set
+# end of DTLS-based configurations
+
+CONFIG_MBEDTLS_ECP_RESTARTABLE=y
+#
+# mbedTLS
+#
+CONFIG_MBEDTLS_CMAC_C=y
+# end of mbedTLS
+
+CONFIG_MDNS_MAX_SERVICES=10
+#
+# mDNS
+#
+CONFIG_MDNS_TASK_PRIORITY=1
+CONFIG_MDNS_TASK_STACK_SIZE=4096
+# CONFIG_MDNS_TASK_AFFINITY_NO_AFFINITY is not set
+CONFIG_MDNS_TASK_AFFINITY_CPU0=y
+CONFIG_MDNS_TASK_AFFINITY=0x0
+CONFIG_MDNS_SERVICE_ADD_TIMEOUT_MS=2000
+# CONFIG_MDNS_STRICT_MODE is not set
+CONFIG_MDNS_TIMER_PERIOD_MS=100
+# CONFIG_MDNS_NETWORKING_SOCKET is not set
+CONFIG_MDNS_MULTIPLE_INSTANCE=y
+# end of mDNS
+
+# CONFIG_SPI_FLASH_AUTO_SUSPEND is not set
+#
+# Auto-detect flash chips
+#
+CONFIG_SPI_FLASH_SUPPORT_TH_CHIP=y
+# end of Auto-detect flash chips
+
+CONFIG_LOG_BOOTLOADER_LEVEL_NONE=y
+#
+# Deprecated options for backward compatibility
+#
+# CONFIG_LOG_BOOTLOADER_LEVEL_INFO is not set
+CONFIG_LOG_BOOTLOADER_LEVEL=0
+# CONFIG_COMPILER_OPTIMIZATION_LEVEL_DEBUG is not set
+CONFIG_COMPILER_OPTIMIZATION_LEVEL_RELEASE=y
+CONFIG_ESP32S2_PANIC_PRINT_HALT=y
+# CONFIG_ESP32S2_PANIC_SILENT_REBOOT is not set
+CONFIG_CONSOLE_UART=y
+# CONFIG_ESP32_DEBUG_STUBS_ENABLE is not set
+# end of Deprecated options for backward compatibility
@@ -78,6 +78,11 @@ STATIC void _reset_pin(gpio_num_t pin_number) {
     if (11 <= pin_number && pin_number <= 17) {
         return;
     }
+    if (pin_number == 18 || pin_number == 19) {
+        return;
+    }
+    #endif
     #endif
 
     // Give the board a chance to reset the pin in a particular way.
 
@@ -42,8 +42,8 @@ CONFIG_ESP_SYSTEM_PANIC_SILENT_REBOOT=y
 # CONFIG_ESP_CONSOLE_USB_SERIAL_JTAG is not set
 # CONFIG_ESP_CONSOLE_UART_CUSTOM is not set
 CONFIG_ESP_CONSOLE_NONE=y
-# CONFIG_ESP_CONSOLE_SECONDARY_NONE is not set
-CONFIG_ESP_CONSOLE_SECONDARY_USB_SERIAL_JTAG=y
+CONFIG_ESP_CONSOLE_SECONDARY_NONE=1
+# CONFIG_ESP_CONSOLE_SECONDARY_USB_SERIAL_JTAG is not set
 CONFIG_ESP_CONSOLE_MULTIPLE_UART=y
 CONFIG_ESP_CONSOLE_UART_NUM=-1
 #
 
@@ -73,4 +73,10 @@
 #define CIRCUITPY_I2C_ALLOW_INTERNAL_PULL_UP (0)
 #endif
 
+// Define to (1) in mpconfigboard.h if the board uses the internal USB to
+// Serial/JTAG to connect do USB.
+#ifndef CIRCUITPY_ESP_USB_SERIAL_JTAG
+#define CIRCUITPY_ESP_USB_SERIAL_JTAG (0)
+#endif
+
 #endif  // MICROPY_INCLUDED_ESPRESSIF_MPCONFIGPORT_H