124 lines
4.1 KiB
C++
124 lines
4.1 KiB
C++
// SPDX-FileCopyrightText: 2018 Arduino SA
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//
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// SPDX-License-Identifier: LGPL-2.1-or-later
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/*
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SerialNINAPassthrough - Use esptool to flash the ESP32 module
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For use with PyPortal, Metro M4 WiFi...
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Copyright (c) 2018 Arduino SA. All rights reserved.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <Adafruit_NeoPixel.h>
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unsigned long baud = 115200;
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#if defined(ADAFRUIT_FEATHER_M4_EXPRESS) || \
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defined(ADAFRUIT_FEATHER_M0_EXPRESS) || \
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defined(ARDUINO_AVR_FEATHER32U4) || \
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defined(ARDUINO_NRF52840_FEATHER) || \
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defined(ADAFRUIT_ITSYBITSY_M0) || \
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defined(ADAFRUIT_ITSYBITSY_M4_EXPRESS) || \
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defined(ARDUINO_AVR_ITSYBITSY32U4_3V) || \
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defined(ARDUINO_NRF52_ITSYBITSY) || \
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defined(ARDUINO_PYGAMER_M4_EXPRESS)
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// Configure the pins used for the ESP32 connection
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#define SerialESP32 Serial1
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#define SPIWIFI SPI // The SPI port
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#define SPIWIFI_SS 13 // Chip select pin
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#define ESP32_RESETN 12 // Reset pin
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#define SPIWIFI_ACK 11 // a.k.a BUSY or READY pin
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#define ESP32_GPIO0 10
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#define NEOPIXEL_PIN 8
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#elif defined(ARDUINO_AVR_FEATHER328P)
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#define SerialESP32 Serial1
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#define SPIWIFI SPI // The SPI port
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#define SPIWIFI_SS 4 // Chip select pin
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#define ESP32_RESETN 3 // Reset pin
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#define SPIWIFI_ACK 2 // a.k.a BUSY or READY pin
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#define ESP32_GPIO0 -1
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#define NEOPIXEL_PIN 8
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#elif defined(TEENSYDUINO)
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#define SerialESP32 Serial1
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#define SPIWIFI SPI // The SPI port
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#define SPIWIFI_SS 5 // Chip select pin
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#define ESP32_RESETN 6 // Reset pin
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#define SPIWIFI_ACK 9 // a.k.a BUSY or READY pin
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#define ESP32_GPIO0 -1
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#define NEOPIXEL_PIN 8
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#elif defined(ARDUINO_NRF52832_FEATHER )
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#define SerialESP32 Serial1
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#define SPIWIFI SPI // The SPI port
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#define SPIWIFI_SS 16 // Chip select pin
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#define ESP32_RESETN 15 // Reset pin
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#define SPIWIFI_ACK 7 // a.k.a BUSY or READY pin
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#define ESP32_GPIO0 -1
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#define NEOPIXEL_PIN 8
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#elif !defined(SPIWIFI_SS) // if the wifi definition isnt in the board variant
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// Don't change the names of these #define's! they match the variant ones
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#define SerialESP32 Serial1
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#define SPIWIFI SPI
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#define SPIWIFI_SS 10 // Chip select pin
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#define SPIWIFI_ACK 7 // a.k.a BUSY or READY pin
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#define ESP32_RESETN 5 // Reset pin
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#define ESP32_GPIO0 -1 // Not connected
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#define NEOPIXEL_PIN 8
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#endif
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#if defined(ADAFRUIT_PYPORTAL)
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#define PIN_NEOPIXEL 2
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#elif defined(ADAFRUIT_METRO_M4_AIRLIFT_LITE)
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#define PIN_NEOPIXEL 40
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#endif
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Adafruit_NeoPixel pixel = Adafruit_NeoPixel(1, PIN_NEOPIXEL, NEO_GRB + NEO_KHZ800);
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void setup() {
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Serial.begin(baud);
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pixel.begin();
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pixel.setPixelColor(0, 10, 10, 10); pixel.show();
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while (!Serial);
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pixel.setPixelColor(0, 50, 50, 50); pixel.show();
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delay(100);
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SerialESP32.begin(baud);
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pinMode(SPIWIFI_SS, OUTPUT);
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pinMode(ESP32_GPIO0, OUTPUT);
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pinMode(ESP32_RESETN, OUTPUT);
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// manually put the ESP32 in upload mode
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digitalWrite(ESP32_GPIO0, LOW);
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digitalWrite(ESP32_RESETN, LOW);
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delay(100);
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digitalWrite(ESP32_RESETN, HIGH);
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pixel.setPixelColor(0, 20, 20, 0); pixel.show();
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delay(100);
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}
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void loop() {
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while (Serial.available()) {
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pixel.setPixelColor(0, 10, 0, 0); pixel.show();
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SerialESP32.write(Serial.read());
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}
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while (SerialESP32.available()) {
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pixel.setPixelColor(0, 0, 0, 10); pixel.show();
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Serial.write(SerialESP32.read());
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}
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}
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