License

The Flow3r badge firmware is Copyright (c) 2023 to the Flow3r Badge Authors. For the purposes of copyright, the Authors are assumed to be the people who have directly contributed to the git repository of the Flow3r badge firmware.

The Flow3r badge firmware is licensed under the GNU Lesser General Public License 3.0.

The firmware also incorporates numerous third-party work. A list of incorporated work and license terms under which the work has been incorporated into the Flow3r badge firmware follow.

Firmware

  • GC9A01 Library library, Copyright (c) 2021, liyanboy74 and licensed under 3-clause BSD license.

  • stb_image library, Copyright (c) 2017 Sean Barrett, and licensed under the MIT License.

  • ctx library, Copyright (c) 2002, 2012, 2015, 2019, 2020 Øyvind Kolås <pippin@gimp.org>, and licensed under the LGPL 3.0 License.

  • Roboto font, Copyright (c) 2014 Christian Robertson, and licensed under the Apache License 2.0.

  • Cousine Regular font, Copyright (c) 2013 Steve Matteson, and licensed under the Apache License 2.0.

  • TinyUSB library, Copyright (c) 2018, hathach (tinyusb.org), and licensed under the MIT License.

  • BMI270 Library, Copyright (c) 2023 Bosch Sensortec GmbH., and licensed under the 3-clause BSD license.

  • BMP581 Library, Copyright (c) 2022 Bosch Sensortec GmbH., and licensed under the 3-clause BSD license.

  • Micropython, Copyright (c) 2014-2023 Damien P. George, and licensed under the MIT License.

  • ESP-IDF library, Copyright (C) Copyright (C) 2015-2022 Espressif Systems, is licensed under Apache License 2.0.

  • Newlib is licensed under the BSD License and is Copyright of various parties, as described in COPYING.NEWLIB.

  • Xtensa header files are Copyright (C) 2013 Tensilica Inc and are licensed under the MIT License as reproduced in the individual header files.

  • Original parts of FreeRTOS (components/freertos) are Copyright (C) 2017 Amazon.com, Inc. or its affiliates are licensed under the MIT License, as described in LICENSE.md.

  • Original parts of LWIP (components/lwip) are Copyright (C) 2001, 2002 Swedish Institute of Computer Science and are licensed under the BSD License as described in COPYING.

  • wpa_supplicant Copyright (c) 2003-2005 Jouni Malinen and licensed under the BSD license.

  • FreeBSD net80211 Copyright (c) 2004-2008 Sam Leffler, Errno Consulting and licensed under the BSD license.

  • argtable3 argument parsing library Copyright (C) 1998-2001,2003-2011,2013 Stewart Heitmann and licensed under 3-clause BSD license. argtable3 also includes the following software components. For details, please see argtable3 LICENSE <https://github.com/espressif/esp-idf/blob/3befd5fff7/components/console/argtable3/LICENSE>.

    • C Hash Table library, Copyright (c) 2002, Christopher Clark and licensed under 3-clause BSD license.

    • The Better String library, Copyright (c) 2014, Paul Hsieh and licensed under 3-clause BSD license.

    • TCL library, Copyright the Regents of the University of California, Sun Microsystems, Inc., Scriptics Corporation, ActiveState Corporation and other parties, and licensed under TCL/TK License.

  • linenoise line editing library Copyright (c) 2010-2014 Salvatore Sanfilippo, Copyright (c) 2010-2013 Pieter Noordhuis, licensed under 2-clause BSD license.

  • FatFS library, Copyright (C) 2017 ChaN, is licensed under a BSD-style license.

  • cJSON library, Copyright (c) 2009-2017 Dave Gamble and cJSON contributors, is licensed under MIT license as described in LICENSE.

  • micro-ecc library, Copyright (c) 2014 Kenneth MacKay, is licensed under 2-clause BSD license.

  • Mbed TLS library, Copyright (C) 2006-2018 ARM Limited, is licensed under Apache License 2.0 as described in Mbed TLS LICENSE file.

  • SPIFFS library, Copyright (c) 2013-2017 Peter Andersson, is licensed under MIT license as described in SPIFFS LICENSE file.

  • SD/MMC driver is derived from OpenBSD SD/MMC driver, Copyright (c) 2006 Uwe Stuehler, and is licensed under BSD license.

  • ESP-MQTT <mqtt> MQTT Package (contiki-mqtt) - Copyright (c) 2014, Stephen Robinson, MQTT-ESP - Tuan PM <tuanpm at live dot com> is licensed under Apache License 2.0 as described in ESP-MQTT LICENSE file.

  • BLE Mesh <bt/esp_ble_mesh> is adapted from Zephyr Project, Copyright (c) 2017-2018 Intel Corporation and licensed under Apache License 2.0

  • mynewt-nimble Apache Mynewt NimBLE, Copyright 2015-2018, The Apache Software Foundation, is licensed under Apache License 2.0 as described in mynewt-nimble LICENSE file.

  • TLSF allocator Two Level Segregated Fit memory allocator, Copyright (c) 2006-2016, Matthew Conte, and licensed under the BSD 3-clause license.

  • openthread, Copyright (c) The OpenThread Authors, is licensed under BSD License as described in openthread LICENSE file.

  • UBSAN runtime — Copyright (c) 2016, Linaro Limited and Jiří Zárevúcky, licensed under the BSD 2-clause license.

  • HTTP Parser Based on src/http/ngx_http_parse.c from NGINX copyright Igor Sysoev. Additional changes are licensed under the same terms as NGINX and Joyent, Inc. and other Node contributors. For details please check http_parser LICENSE file.

  • SEGGER SystemView target-side library, Copyright (c) 1995-2021 SEGGER Microcontroller GmbH, is licensed under BSD 1-clause license.

Xtensa libhal MIT License

Copyright (c) 2003, 2006, 2010 Tensilica Inc.

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.

TinyBasic Plus MIT License

Copyright (c) 2012-2013

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.

TJpgDec License

TJpgDec - Tiny JPEG Decompressor R0.01 (C)ChaN, 2011 The TJpgDec is a generic JPEG decompressor module for tiny embedded systems. This is a free software that opened for education, research and commercial developments under license policy of following terms.

Copyright (C) 2011, ChaN, all right reserved.

  • The TJpgDec module is a free software and there is NO WARRANTY.

  • No restriction on use. You can use, modify and redistribute it for personal, non-profit or commercial products UNDER YOUR RESPONSIBILITY.

  • Redistributions of source code must retain the above copyright notice.