This library allows an Arduino board with USB capabilities to act as a HID-compliant UPS according to USB HID specifications. The library is useful if you want to build a smart UPS or other power device, which can report its state to the PC host or perform power on/power off operations as necessary for your project.
For more information about USB HID specs please read https://www.usb.org/sites/default/files/pdcv11.pdf
Setup is very simple. Just clone this repository to Arduino libraries, then upload the sketch UPS.ino from the /examples folder. Once upload is completed successfully you will find HID Device Battery in your system.
You migth need to change bCapacityMode from 2 (%) to 1 (mWh) if you want Windows to report battery capacity percentage on laptops that already has a battery installed (see [#11](../../issues/11) ).
Copy linux/98-upower-hid.rules file to the /etc/udev/rules.d/ folder , then reboot. This is required for Linux device manager (udev) to recognize the Arduino board as UPS.
Copyright (c) Alex Bratchik 2020. All right 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