Arduino NINA-W102 firmware

This firmware uses Espressif's IDF

Building

1. Download the ESP32 toolchain
2. Extract it and add it to your PATH: export PATH=$PATH:<path/to/toolchain>/bin
3. Clone v3.3.1 of the IDF: git clone --branch v3.3.1 --recursive https://github.com/espressif/esp-idf.git
4. Set the IDF_PATH environment variable: export IDF_PATH=<path/to/idf>
5. Run make to build the firmware (in the directory of this read me)
6. Load the Tools -> SerialNINAPassthrough example sketch on to the board
7. Use esptool to flash the compiled firmware

Notes

If updating the NINA firmware for an Arduino UNO WiFi Rev. 2 or Arduino Nano RP2040 board via SerialNINAPassthrough sketch, then the esptool invocation needs to be changed slightly:

-  --baud 115200 --before default_reset
+  --baud 115200 --before no_reset

If updating the NINA firmware for an Arduino MKR Vidor 4000 board via [SerialNINAPassthrough] and esptool, use the buffered version of the sketch from sameer's patch-4 branch (https://github.com/sameer/WiFiNINA/blob/patch-4/examples/Tools/SerialNINAPassthrough/SerialNINAPassthrough.ino) sketch, and the sketch needs to be changed slightly:

-  FPGA.digitalWrite(FPGA_NINA_GPIO0, (Serial.dtr() == 1) ? HIGH : LOW);
+  FPGA.digitalWrite(FPGA_NINA_GPIO0, (Serial.dtr() == 0) ? HIGH : LOW);

Eample invocation for Arduino MKR Vidor 4000 board via [SerialNINAPAssthrough]: esptool.py --no-stub --chip esp32 --port COM4 --baud 119400 --before default_reset --after hard_reset write_flash -z --flash_mode dio --flash_freq 40m --flash_size detect 0x0 NINA_W102.bin

Build a new certificate list (based on the Google Android root CA list)

git clone https://android.googlesource.com/platform/system/ca-certificates
cp nina-fw/tools/nina-fw-create-roots.sh ca-certificates/files
cd ca-certificates/files
./nina-fw-create-roots.sh
cp roots.pem ../../nina-fw/data/roots.pem

Check certificate list against URL list

cd tools
./sslcheck.sh -c ../data/roots.pem -l url_lists/url_list_moz.com.txt -e

License

Copyright (c) 2018-2019 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