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//! IMPLEMENTATION DETAILS USED BY MACROS
use core::fmt::{self, Write};
use cortex_m::interrupt;
use crate::hio::{self, HostStream};
static mut HSTDOUT: Option<HostStream> = None;
pub fn hstdout_str(s: &str) {
let _result = interrupt::free(|_| unsafe {
if HSTDOUT.is_none() {
HSTDOUT = Some(hio::hstdout()?);
}
HSTDOUT.as_mut().unwrap().write_str(s).map_err(drop)
});
}
pub fn hstdout_fmt(args: fmt::Arguments) {
let _result = interrupt::free(|_| unsafe {
if HSTDOUT.is_none() {
HSTDOUT = Some(hio::hstdout()?);
}
HSTDOUT.as_mut().unwrap().write_fmt(args).map_err(drop)
});
}
static mut HSTDERR: Option<HostStream> = None;
pub fn hstderr_str(s: &str) {
let _result = interrupt::free(|_| unsafe {
if HSTDERR.is_none() {
HSTDERR = Some(hio::hstderr()?);
}
HSTDERR.as_mut().unwrap().write_str(s).map_err(drop)
});
}
pub fn hstderr_fmt(args: fmt::Arguments) {
let _result = interrupt::free(|_| unsafe {
if HSTDERR.is_none() {
HSTDERR = Some(hio::hstderr()?);
}
HSTDERR.as_mut().unwrap().write_fmt(args).map_err(drop)
});
}
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