Node / public / precursor-lxmfchat.git / files / xous-core / services / shellchat / src / cmds / console.rs

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use String;

use crate::{CommonEnv, ShellCmdApi};

#[derive(Debug)]

pub struct Console {}

impl<'a> ShellCmdApi<'a> for Console {

cmd_api!(console);

// inserts boilerplate for command API

fn process(&mut self, args: String, env: &mut CommonEnv) -> Result<Option<String>, xous::Error> {

use core::fmt::Write;

let mut ret = String::new();

let helpstring = "Serial console options: kernel, log, app";

let mut tokens = args.split(' ');

if let Some(sub_cmd) = tokens.next() {

match sub_cmd {

"kernel" => {

env.llio.set_uart_mux(llio::UartType::Kernel).unwrap();

write!(ret, "kernel -> serial console").unwrap();

}

"log" => {

env.llio.set_uart_mux(llio::UartType::Log).unwrap();

write!(ret, "log -> serial console").unwrap();

}

"app" => {

env.llio.set_uart_mux(llio::UartType::Application).unwrap();

write!(ret, "app -> serial console").unwrap();

}

_ => {

write!(ret, "{}", helpstring).unwrap();

}

}

} else {

write!(ret, "{}", helpstring).unwrap();

}

Ok(Some(ret))

}

}