Switch to hidapi

INSTALL.md

@@ -6,21 +6,29 @@
 * make
 
 ## Dependencies :</br>
-* libusb
-* systemd
+* hidapi or libusb
+
+## hidapi vs libusb :</br>
+hidapi is the new implementation but need to be tested.</br>
+hidapi is very more speed than libusb (~20ms vs ~150ms).</br>
+hidapi seem not work on CentOS, writing on hidraw is not allowed.</br>
+hidapi is recommended but if you encounter problem on your system, switch to libusb.</br>
 
 ## Installation of dependencies :</br>
 ArchLinux :</br>
-`sudo pacman -S git gcc make libusb`</br>
+`sudo pacman -S git gcc make hidapi` (for hidapi)</br>
+`sudo pacman -S git gcc make libusb` (for libusb)</br>
 Debian :</br>
-`sudo apt-get install git g++ make libusb-1.0-0-dev`</br>
+`sudo apt-get install git g++ make libhidapi-dev` (for hidapi)</br>
+`sudo apt-get install git g++ make libusb-1.0-0-dev` (for libusb)</br>
 Fedora :</br>
-`sudo dnf install git make gcc-c++ libusb-devel`</br>
+`sudo dnf install git make gcc-c++ hidapi-devel` (for hidapi)</br>
+`sudo dnf install git make gcc-c++ libusbx-devel` (for libusb)</br>
 
 ## Installation :</br>
 `git clone https://github.com/MatMoul/g810-led.git`</br>
 `cd g810-led`</br>
-`make`</br>
+`make` or `make LIB=libusb`</br>
 `sudo make install`</br>
 
 ## Update :</br>
@@ -30,8 +38,8 @@ Same as install, but your profile and reboot files are preserved.</br>
 `sudo make uninstall`</br>
 
 ## Boot profiles :</br>
-g810-led has 2 systemd units (g810-led and g810-led-reboot).</br>
+If your system use systemd, g810-led has 2 systemd units (g810-led and g810-led-reboot).</br>
 These 2 units set the keyboard profile on boot and reboot.</br>
-Profiles are stored in /etc/g810 :</br>
-* /etc/g810/profile
-* /etc/g810/reboot
+Profiles are stored in /etc/g810-led :</br>
+* /etc/g810-led/profile
+* /etc/g810-led/reboot