alex/rp-hal-boards
1
0
Fork 0
mirror of https://github.com/italicsjenga/rp-hal-boards.git synced 2025-01-11 04:51:31 +11:00
Code Issues Packages Projects Releases Wiki Activity

pico_usb_serial: Handle errors of serial.write()

Browse source 
Fixes: #194
This commit is contained in:
Jan Niehusmann 2021-11-26 20:43:02 +00:00 committed by 9names
parent 05e072025d
commit de53600199
1 changed files with 7 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
boards/pico/examples/pico_usb_serial.rs
View file

@ -116,9 +116,13 @@ fn main() -> ! {
// Send back to the host // Send back to the host
let mut wr_ptr = &buf[..count]; let mut wr_ptr = &buf[..count];
while !wr_ptr.is_empty() { while !wr_ptr.is_empty() {
let _ = serial.write(wr_ptr).map(|len| { match serial.write(wr_ptr) {
wr_ptr = &wr_ptr[len..]; Ok(len) => wr_ptr = &wr_ptr[len..],
}); // On error, just drop unwritten data.
// One possible error is Err(WouldBlock), meaning the USB
// write buffer is full.
Err(_) => break,
};
} }
} }
} }