Commit 421a0557 authored by Per's avatar Per

loopback update

parent 1ae55852
......@@ -50,6 +50,10 @@ app! {
path: error_usart_overflow,
priority: 1,
},
EXTI4: {
path: rxne_not_set,
priority: 1,
},
}
}
......@@ -104,16 +108,19 @@ fn usart2_handler(_t: &mut Threshold, r: USART2::Resources) {
r.USART2.dr.read(); // clear the error by reading the data register
}
}
}
match r.SEND.dequeue() {
Some(b) => {
// we (still) have something in the queue to send
let _ = serial.write(b);
}
_ => {
// the que was empty so the last item was already sent
serial.unlisten(Event::Txe);
} else {
// rxne not set
rtfm::set_pending(f4::stm32f40x::Interrupt::EXTI4);
match r.SEND.dequeue() {
Some(b) => {
// we (still) have something in the queue to send
let _ = serial.write(b);
}
_ => {
// the que was empty so the last item was already sent
serial.unlisten(Event::Txe);
}
}
}
}
......@@ -161,6 +168,10 @@ fn error_usart_overflow() {
ipln!("error_usart_overflow");
}
fn rxne_not_set() {
ip!("-");
}
#[derive(Debug)]
enum Command {
Start,
......
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