89 lines
2.5 KiB
Rust
89 lines
2.5 KiB
Rust
//! Footswitch-RS
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//!
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//! `footswitch-rs` enables you to use footswitches of <xxx>
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mod key_operations;
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mod pedal_operations;
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#[macro_use]
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extern crate structopt;
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extern crate hidapi;
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extern crate users;
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use std::path::PathBuf;
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use std::process;
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use structopt::StructOpt;
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#[derive(StructOpt, Debug)]
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#[structopt(name = "rust-footswitch")]
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struct Opt {
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/// Read all pedals
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#[structopt(short = "r", long = "read")]
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read: bool,
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/// Prints a table of all keys with <listkeys> rows
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#[structopt(short = "l", long = "listkeys")]
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listkeys: Option<usize>,
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/// Select pedal (left: 1, middle: 2, right: 3)
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#[structopt(short = "p", long = "pedal", parse(from_os_str))]
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output: Option<PathBuf>,
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}
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fn main() {
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let mut pedals = pedal_operations::Pedals::new();
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check_sudo();
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let opt = Opt::from_args();
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// All options that don't need the device to be open
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// Print all keys and exit application
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if let Some(x) = opt.listkeys {
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key_operations::print_key_map(x);
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process::exit(0);
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}
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// Open device
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// This is the reason, the device is not part of the struct: https://github.com/Osspial/hidapi-rs/issues/16
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// Maybe this can be fixed, as soon as this is merged into the crate: https://github.com/Osspial/hidapi-rs/pull/12
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let vld_dev = [
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(0x0c45u16, 0x7403u16),
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(0x0c45 , 0x7404),
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(0x413d , 0x2107)
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];
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let api = hidapi::HidApi::new().expect("Hidapi init failed!");
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let mut dev_path = String::new();
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for device in &api.devices() {
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//println!("{}:{}, {}, {}", device.vendor_id, device.product_id, device.interface_number, device.path);
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for val in vld_dev.iter() {
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if *val == (device.vendor_id, device.product_id) && device.interface_number == 1 {
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println!("Found device {:x}:{:x} ({})", device.vendor_id, device.product_id, device.path);
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dev_path = device.path.clone();
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}
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}
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}
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let dev = api.open_path(dev_path.as_str()).unwrap();
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println!("Succesfully opened device.");
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//ToDo: This part of the code is just there to test functions
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pedals.set_key(0, "b");
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pedals.write_pedals(& dev);
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// All options that need the device to be open
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if opt.read {
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pedals.read_pedals(& dev);
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}
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}
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/// Checks if user is super user
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fn check_sudo() {
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if users::get_current_uid() != 0 {
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panic!("Please execute this application as super user!");
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}
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}
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