fix: docs

Cargo.toml

@@ -4,7 +4,6 @@ version = "0.2.1"
 authors = ["rrr-marble <rrr@marble.lan>"]
 edition = "2018"
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
 evdev = "0.11.1"

src/main.rs

@@ -14,9 +14,13 @@ symbols or meanings takes place.
 As such this program requires access to /dev/input and /dev/uinput interfaces.
 It can be granted by input and uinput user groups or superuser privileges.
 
+Grabs input device through a kernel syscall. This prevents other devices 
+(including kernel-internal ones such as rfkill) from receiving events 
+from the device.
+
 # Usage
 
-./dpk [/PATH/TO/INPUT/DEVICE]
+dpk [/PATH/TO/INPUT/DEVICE]
 */
 
 use std::io::Write; //for .flush()

src/pedals.rs

@@ -5,8 +5,8 @@
 pub use crate::Pedal;
 use evdev::{EventType, InputEvent, Key};
 
-/// Repeatedly press the key with given intervals
-/// and send these keypresses into transmit channel
+/// Press and release the key with given intervals
+/// then send these keypresses into transmit channel
 /// mash! (key to press,
 ///        down time(while pressed),
 ///        up time(between presses),
@@ -91,6 +91,7 @@ pub fn pedals() -> Vec<Pedal> {
     ]
 }
 
+/// Returns a vector of currently requred for pedals virtual buttons
 pub fn buttons() -> Vec<evdev::Key> {
     vec![
         Key::KEY_F,