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Board RX to TX0
Click Download: Project ZIP to download the code below.
// SPDX-FileCopyrightText: 2018 Arduino SA
//
// SPDX-License-Identifier: GPL-2.1-or-later
/*
SerialNINAPassthrough - Use esptool to flash the ESP32 module
For use with PyPortal, Metro M4 WiFi...
Copyright (c) 2018 Arduino SA. All rights reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <Adafruit_NeoPixel.h>
unsigned long baud = 115200 ;
#if defined(ADAFRUIT_FEATHER_M4_EXPRESS) || \
defined(ADAFRUIT_FEATHER_M0_EXPRESS) || \
defined(ARDUINO_AVR_FEATHER32U4) || \
defined(ARDUINO_NRF52840_FEATHER) || \
defined(ADAFRUIT_ITSYBITSY_M0) || \
defined(ADAFRUIT_ITSYBITSY_M4_EXPRESS) || \
defined(ARDUINO_AVR_ITSYBITSY32U4_3V) || \
defined(ARDUINO_NRF52_ITSYBITSY)
// Configure the pins used for the ESP32 connection
#define SerialESP32 Serial1
#define SPIWIFI SPI // The SPI port
#define SPIWIFI_SS 13 // Chip select pin
#define ESP32_RESETN 12 // Reset pin
#define SPIWIFI_ACK 11 // a.k.a BUSY or READY pin
#define ESP32_GPIO0 10
#define NEOPIXEL_PIN 8
#elif defined(ARDUINO_AVR_FEATHER328P)
#define SerialESP32 Serial1
#define SPIWIFI SPI // The SPI port
#define SPIWIFI_SS 4 // Chip select pin
#define ESP32_RESETN 3 // Reset pin
#define SPIWIFI_ACK 2 // a.k.a BUSY or READY pin
#define ESP32_GPIO0 -1
#define NEOPIXEL_PIN 8
#elif defined(TEENSYDUINO)
#define SerialESP32 Serial1
#define SPIWIFI SPI // The SPI port
#define SPIWIFI_SS 5 // Chip select pin
#define ESP32_RESETN 6 // Reset pin
#define SPIWIFI_ACK 9 // a.k.a BUSY or READY pin
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